-/* Interface GDB to Mach 3.0 operating systems.
- (Most) Mach 3.0 related routines live in this file.
-
- Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/*
- * Author: Jukka Virtanen <jtv@hut.fi>
- * Computing Centre
- * Helsinki University of Technology
- * Finland
- *
- * Thanks to my friends who helped with ideas and testing:
- *
- * Johannes Helander, Antti Louko, Tero Mononen,
- * jvh@cs.hut.fi alo@hut.fi tmo@cs.hut.fi
- *
- * Tero Kivinen and Eamonn McManus
- * kivinen@cs.hut.fi emcmanus@gr.osf.org
- *
- */
-
-#include <stdio.h>
-
-#include <mach.h>
-#include <servers/netname.h>
-#include <servers/machid.h>
-#include <mach/message.h>
-#include <mach/notify.h>
-#include <mach_error.h>
-#include <mach/exception.h>
-#include <mach/vm_attributes.h>
-
-#include "defs.h"
-#include "inferior.h"
-#include "symtab.h"
-#include "value.h"
-#include "language.h"
-#include "target.h"
-#include "gdb_wait.h"
-#include "gdbcmd.h"
-#include "gdbcore.h"
-#include "regcache.h"
-
-#if 0
-#include <servers/machid_lib.h>
-#else
-#define MACH_TYPE_TASK 1
-#define MACH_TYPE_THREAD 2
-#endif
-
-/* Included only for signal names and NSIG
-
- * note: There are many problems in signal handling with
- * gdb in Mach 3.0 in general.
- */
-#include <signal.h>
-#define SIG_UNKNOWN 0 /* Exception that has no matching unix signal */
-
-#include <cthreads.h>
-
-/* This is what a cproc looks like. This is here partly because
- cthread_internals.h is not a header we can just #include, partly with
- an eye towards perhaps getting this to work with cross-debugging
- someday. Best solution is if CMU publishes a real interface to this
- stuff. */
-#define CPROC_NEXT_OFFSET 0
-#define CPROC_NEXT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
-#define CPROC_INCARNATION_OFFSET (CPROC_NEXT_OFFSET + CPROC_NEXT_SIZE)
-#define CPROC_INCARNATION_SIZE (sizeof (cthread_t))
-#define CPROC_LIST_OFFSET (CPROC_INCARNATION_OFFSET + CPROC_INCARNATION_SIZE)
-#define CPROC_LIST_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
-#define CPROC_WAIT_OFFSET (CPROC_LIST_OFFSET + CPROC_LIST_SIZE)
-#define CPROC_WAIT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
-#define CPROC_REPLY_OFFSET (CPROC_WAIT_OFFSET + CPROC_WAIT_SIZE)
-#define CPROC_REPLY_SIZE (sizeof (mach_port_t))
-#define CPROC_CONTEXT_OFFSET (CPROC_REPLY_OFFSET + CPROC_REPLY_SIZE)
-#define CPROC_CONTEXT_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_LOCK_OFFSET (CPROC_CONTEXT_OFFSET + CPROC_CONTEXT_SIZE)
-#define CPROC_LOCK_SIZE (sizeof (spin_lock_t))
-#define CPROC_STATE_OFFSET (CPROC_LOCK_OFFSET + CPROC_LOCK_SIZE)
-#define CPROC_STATE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_WIRED_OFFSET (CPROC_STATE_OFFSET + CPROC_STATE_SIZE)
-#define CPROC_WIRED_SIZE (sizeof (mach_port_t))
-#define CPROC_BUSY_OFFSET (CPROC_WIRED_OFFSET + CPROC_WIRED_SIZE)
-#define CPROC_BUSY_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_MSG_OFFSET (CPROC_BUSY_OFFSET + CPROC_BUSY_SIZE)
-#define CPROC_MSG_SIZE (sizeof (mach_msg_header_t))
-#define CPROC_BASE_OFFSET (CPROC_MSG_OFFSET + CPROC_MSG_SIZE)
-#define CPROC_BASE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_SIZE_OFFSET (CPROC_BASE_OFFSET + CPROC_BASE_SIZE)
-#define CPROC_SIZE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
-#define CPROC_SIZE (CPROC_SIZE_OFFSET + CPROC_SIZE_SIZE)
-
-/* Values for the state field in the cproc. */
-#define CPROC_RUNNING 0
-#define CPROC_SWITCHING 1
-#define CPROC_BLOCKED 2
-#define CPROC_CONDWAIT 4
-
-/* For cproc and kernel thread mapping */
-typedef struct gdb_thread
- {
- mach_port_t name;
- CORE_ADDR sp;
- CORE_ADDR pc;
- CORE_ADDR fp;
- boolean_t in_emulator;
- int slotid;
-
- /* This is for the mthreads list. It points to the cproc list.
- Perhaps the two lists should be merged (or perhaps it was a mistake
- to make them both use a struct gdb_thread). */
- struct gdb_thread *cproc;
-
- /* These are for the cproc list, which is linked through the next field
- of the struct gdb_thread. */
- char raw_cproc[CPROC_SIZE];
- /* The cthread which is pointed to by the incarnation field from the
- cproc. This points to the copy we've read into GDB. */
- cthread_t cthread;
- /* Point back to the mthreads list. */
- int reverse_map;
- struct gdb_thread *next;
- }
- *gdb_thread_t;
-
-/*
- * Actions for Mach exceptions.
- *
- * sigmap field maps the exception to corresponding Unix signal.
- *
- * I do not know how to map the exception to unix signal
- * if SIG_UNKNOWN is specified.
- */
-
-struct exception_list
- {
- char *name;
- boolean_t forward;
- boolean_t print;
- int sigmap;
- }
-exception_map[] =
-{
- {
- "not_mach3_exception", FALSE, TRUE, SIG_UNKNOWN
- }
- ,
- {
- "EXC_BAD_ACCESS", FALSE, TRUE, SIGSEGV
- }
- ,
- {
- "EXC_BAD_INSTRUCTION", FALSE, TRUE, SIGILL
- }
- ,
- {
- "EXC_ARITHMETIC", FALSE, TRUE, SIGFPE
- }
- ,
- {
- "EXC_EMULATION", FALSE, TRUE, SIGEMT
- }
- , /* ??? */
- {
- "EXC_SOFTWARE", FALSE, TRUE, SIG_UNKNOWN
- }
- ,
- {
- "EXC_BREAKPOINT", FALSE, FALSE, SIGTRAP
- }
-};
-
-/* Mach exception table size */
-int max_exception = sizeof (exception_map) / sizeof (struct exception_list) - 1;
-
-#define MAX_EXCEPTION max_exception
-
-WAITTYPE wait_status;
-
-/* If you define this, intercepted bsd server calls will be
- * dumped while waiting the inferior to EXEC the correct
- * program
- */
-/* #define DUMP_SYSCALL /* debugging interceptor */
-
-/* xx_debug() outputs messages if this is nonzero.
- * If > 1, DUMP_SYSCALL will dump message contents.
- */
-int debug_level = 0;
-
-/* "Temporary" debug stuff */
-void
-xx_debug (char *fmt, int a, int b, int c)
-{
- if (debug_level)
- warning (fmt, a, b, c);
-}
-
-/* This is in libmach.a */
-extern mach_port_t name_server_port;
-
-/* Set in catch_exception_raise */
-int stop_exception, stop_code, stop_subcode;
-int stopped_in_exception;
-
-/* Thread that was the active thread when we stopped */
-thread_t stop_thread = MACH_PORT_NULL;
-
-char *hostname = "";
-
-/* Set when task is attached or created */
-boolean_t emulator_present = FALSE;
-
-task_t inferior_task;
-thread_t current_thread;
-
-/* Exception ports for inferior task */
-mach_port_t inferior_exception_port = MACH_PORT_NULL;
-mach_port_t inferior_old_exception_port = MACH_PORT_NULL;
-
-/* task exceptions and notifications */
-mach_port_t inferior_wait_port_set = MACH_PORT_NULL;
-mach_port_t our_notify_port = MACH_PORT_NULL;
-
-/* This is "inferior_wait_port_set" when not single stepping, and
- * "singlestepped_thread_port" when we are single stepping.
- *
- * This is protected by a cleanup function: discard_single_step()
- */
-mach_port_t currently_waiting_for = MACH_PORT_NULL;
-
-/* A port for external messages to gdb.
- * External in the meaning that they do not come
- * from the inferior_task, but rather from external
- * tasks.
- *
- * As a debugging feature:
- * A debugger debugging another debugger can stop the
- * inferior debugger by the following command sequence
- * (without running external programs)
- *
- * (top-gdb) set stop_inferior_gdb ()
- * (top-gdb) continue
- */
-mach_port_t our_message_port = MACH_PORT_NULL;
-
-/* For single stepping */
-mach_port_t thread_exception_port = MACH_PORT_NULL;
-mach_port_t thread_saved_exception_port = MACH_PORT_NULL;
-mach_port_t singlestepped_thread_port = MACH_PORT_NULL;
-
-/* For machid calls */
-mach_port_t mid_server = MACH_PORT_NULL;
-mach_port_t mid_auth = MACH_PORT_NULL;
-
-/* If gdb thinks the inferior task is not suspended, it
- * must take suspend/abort the threads when it reads the state.
- */
-int must_suspend_thread = 0;
-
-/* When single stepping, we switch the port that mach_really_wait() listens to.
- * This cleanup is a guard to prevent the port set from being left to
- * the singlestepped_thread_port when error() is called.
- * This is nonzero only when we are single stepping.
- */
-#define NULL_CLEANUP (struct cleanup *)0
-struct cleanup *cleanup_step = NULL_CLEANUP;
-\f
-
-static struct target_ops m3_ops;
-
-static void m3_kill_inferior ();
-\f
-#if 0
-#define MACH_TYPE_EXCEPTION_PORT -1
-#endif
-
-/* Chain of ports to remember requested notifications. */
-
-struct port_chain
- {
- struct port_chain *next;
- mach_port_t port;
- int type;
- int mid; /* Now only valid with MACH_TYPE_THREAD and */
- /* MACH_TYPE_THREAD */
- };
-typedef struct port_chain *port_chain_t;
-
-/* Room for chain nodes comes from pchain_obstack */
-struct obstack pchain_obstack;
-struct obstack *port_chain_obstack = &pchain_obstack;
-
-/* For thread handling */
-struct obstack Cproc_obstack;
-struct obstack *cproc_obstack = &Cproc_obstack;
-
-/* the list of notified ports */
-port_chain_t notify_chain = (port_chain_t) NULL;
-
-port_chain_t
-port_chain_insert (port_chain_t list, mach_port_t name, int type)
-{
- kern_return_t ret;
- port_chain_t new;
- int mid;
-
- if (!MACH_PORT_VALID (name))
- return list;
-
- if (type == MACH_TYPE_TASK || type == MACH_TYPE_THREAD)
- {
- if (!MACH_PORT_VALID (mid_server))
- {
- warning ("Machid server port invalid, can not map port 0x%x to MID",
- name);
- mid = name;
- }
- else
- {
- ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
-
- if (ret != KERN_SUCCESS)
- {
- warning ("Can not map name (0x%x) to MID with machid", name);
- mid = name;
- }
- }
- }
- else
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
-
- new = (port_chain_t) obstack_alloc (port_chain_obstack,
- sizeof (struct port_chain));
- new->next = list;
- new->port = name;
- new->type = type;
- new->mid = mid;
-
- return new;
-}
-
-port_chain_t
-port_chain_delete (port_chain_t list, mach_port_t elem)
-{
- if (list)
- if (list->port == elem)
- list = list->next;
- else
- while (list->next)
- {
- if (list->next->port == elem)
- list->next = list->next->next; /* GCd with obstack_free() */
- else
- list = list->next;
- }
- return list;
-}
-
-void
-port_chain_destroy (struct obstack *ostack)
-{
- obstack_free (ostack, 0);
- obstack_init (ostack);
-}
-
-port_chain_t
-port_chain_member (port_chain_t list, mach_port_t elem)
-{
- while (list)
- {
- if (list->port == elem)
- return list;
- list = list->next;
- }
- return (port_chain_t) NULL;
-}
-\f
-int
-map_port_name_to_mid (mach_port_t name, int type)
-{
- port_chain_t elem;
-
- if (!MACH_PORT_VALID (name))
- return -1;
-
- elem = port_chain_member (notify_chain, name);
-
- if (elem && (elem->type == type))
- return elem->mid;
-
- if (elem)
- return -1;
-
- if (!MACH_PORT_VALID (mid_server))
- {
- warning ("Machid server port invalid, can not map port 0x%x to mid",
- name);
- return -1;
- }
- else
- {
- int mid;
- kern_return_t ret;
-
- ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
-
- if (ret != KERN_SUCCESS)
- {
- warning ("Can not map name (0x%x) to mid with machid", name);
- return -1;
- }
- return mid;
- }
-}
-\f
-/* Guard for currently_waiting_for and singlestepped_thread_port */
-static void
-discard_single_step (thread_t thread)
-{
- currently_waiting_for = inferior_wait_port_set;
-
- cleanup_step = NULL_CLEANUP;
- if (MACH_PORT_VALID (thread) && MACH_PORT_VALID (singlestepped_thread_port))
- setup_single_step (thread, FALSE);
-}
-
-setup_single_step (thread_t thread, boolean_t start_step)
-{
- kern_return_t ret;
-
- if (!MACH_PORT_VALID (thread))
- error ("Invalid thread supplied to setup_single_step");
- else
- {
- mach_port_t teport;
-
- /* Get the current thread exception port */
- ret = thread_get_exception_port (thread, &teport);
- CHK ("Getting thread's exception port", ret);
-
- if (start_step)
- {
- if (MACH_PORT_VALID (singlestepped_thread_port))
- {
- warning ("Singlestepped_thread_port (0x%x) is still valid?",
- singlestepped_thread_port);
- singlestepped_thread_port = MACH_PORT_NULL;
- }
-
- /* If we are already stepping this thread */
- if (MACH_PORT_VALID (teport) && teport == thread_exception_port)
- {
- ret = mach_port_deallocate (mach_task_self (), teport);
- CHK ("Could not deallocate thread exception port", ret);
- }
- else
- {
- ret = thread_set_exception_port (thread, thread_exception_port);
- CHK ("Setting exception port for thread", ret);
-#if 0
- /* Insert thread exception port to wait port set */
- ret = mach_port_move_member (mach_task_self (),
- thread_exception_port,
- inferior_wait_port_set);
- CHK ("Moving thread exception port to inferior_wait_port_set",
- ret);
-#endif
- thread_saved_exception_port = teport;
- }
-
- thread_trace (thread, TRUE);
-
- singlestepped_thread_port = thread_exception_port;
- currently_waiting_for = singlestepped_thread_port;
- cleanup_step = make_cleanup (discard_single_step, thread);
- }
- else
- {
- if (!MACH_PORT_VALID (teport))
- error ("Single stepped thread had an invalid exception port?");
-
- if (teport != thread_exception_port)
- error ("Single stepped thread had an unknown exception port?");
-
- ret = mach_port_deallocate (mach_task_self (), teport);
- CHK ("Couldn't deallocate thread exception port", ret);
-#if 0
- /* Remove thread exception port from wait port set */
- ret = mach_port_move_member (mach_task_self (),
- thread_exception_port,
- MACH_PORT_NULL);
- CHK ("Removing thread exception port from inferior_wait_port_set",
- ret);
-#endif
- /* Restore thread's old exception port */
- ret = thread_set_exception_port (thread,
- thread_saved_exception_port);
- CHK ("Restoring stepped thread's exception port", ret);
-
- if (MACH_PORT_VALID (thread_saved_exception_port))
- (void) mach_port_deallocate (mach_task_self (),
- thread_saved_exception_port);
-
- thread_trace (thread, FALSE);
-
- singlestepped_thread_port = MACH_PORT_NULL;
- currently_waiting_for = inferior_wait_port_set;
- if (cleanup_step)
- discard_cleanups (cleanup_step);
- }
- }
-}
-\f
-static
-request_notify (mach_port_t name, mach_msg_id_t variant, int type)
-{
- kern_return_t ret;
- mach_port_t previous_port_dummy = MACH_PORT_NULL;
-
- if (!MACH_PORT_VALID (name))
- return;
-
- if (port_chain_member (notify_chain, name))
- return;
-
- ret = mach_port_request_notification (mach_task_self (),
- name,
- variant,
- 1,
- our_notify_port,
- MACH_MSG_TYPE_MAKE_SEND_ONCE,
- &previous_port_dummy);
- CHK ("Serious: request_notify failed", ret);
-
- (void) mach_port_deallocate (mach_task_self (),
- previous_port_dummy);
-
- notify_chain = port_chain_insert (notify_chain, name, type);
-}
-
-reverse_msg_bits (mach_msg_header_t *msgp, int type)
-{
- int rbits, lbits;
- rbits = MACH_MSGH_BITS_REMOTE (msgp->msgh_bits);
- lbits = type;
- msgp->msgh_bits =
- (msgp->msgh_bits & ~MACH_MSGH_BITS_PORTS_MASK) |
- MACH_MSGH_BITS (lbits, rbits);
-}
-\f
-/* On the third day He said:
-
- Let this be global
- and then it was global.
-
- When creating the inferior fork, the
- child code in inflow.c sets the name of the
- bootstrap_port in its address space to this
- variable.
-
- The name is transferred to our address space
- with mach3_read_inferior().
-
- Thou shalt not do this with
- task_get_bootstrap_port() in this task, since
- the name in the inferior task is different than
- the one we get.
-
- For blessed are the meek, as they shall inherit
- the address space.
- */
-mach_port_t original_server_port_name = MACH_PORT_NULL;
-
-
-/* Called from inferior after FORK but before EXEC */
-static void
-m3_trace_me (void)
-{
- kern_return_t ret;
-
- /* Get the NAME of the bootstrap port in this task
- so that GDB can read it */
- ret = task_get_bootstrap_port (mach_task_self (),
- &original_server_port_name);
- if (ret != KERN_SUCCESS)
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
- ret = mach_port_deallocate (mach_task_self (),
- original_server_port_name);
- if (ret != KERN_SUCCESS)
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
-
- /* Suspend this task to let the parent change my ports.
- Resumed by the debugger */
- ret = task_suspend (mach_task_self ());
- if (ret != KERN_SUCCESS)
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
-}
-\f
-/*
- * Intercept system calls to Unix server.
- * After EXEC_COUNTER calls to exec(), return.
- *
- * Pre-assertion: Child is suspended. (Not verified)
- * Post-condition: Child is suspended after EXEC_COUNTER exec() calls.
- */
-
-void
-intercept_exec_calls (int exec_counter)
-{
- int terminal_initted = 0;
-
- struct syscall_msg_t
- {
- mach_msg_header_t header;
- mach_msg_type_t type;
- char room[2000]; /* Enuff space */
- };
-
- struct syscall_msg_t syscall_in, syscall_out;
-
- mach_port_t fake_server;
- mach_port_t original_server_send;
- mach_port_t original_exec_reply;
- mach_port_t exec_reply;
- mach_port_t exec_reply_send;
- mach_msg_type_name_t acquired;
- mach_port_t emulator_server_port_name;
- struct task_basic_info info;
- mach_msg_type_number_t info_count;
-
- kern_return_t ret;
-
- if (exec_counter <= 0)
- return; /* We are already set up in the correct program */
-
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &fake_server);
- CHK ("create inferior_fake_server port failed", ret);
-
- /* Wait for inferior_task to suspend itself */
- while (1)
- {
- info_count = sizeof (info);
- ret = task_info (inferior_task,
- TASK_BASIC_INFO,
- (task_info_t) & info,
- &info_count);
- CHK ("Task info", ret);
-
- if (info.suspend_count)
- break;
-
- /* Note that the definition of the parameter was undefined
- * at the time of this writing, so I just use an `ad hoc' value.
- */
- (void) swtch_pri (42); /* Universal Priority Value */
- }
-
- /* Read the inferior's bootstrap port name */
- if (!mach3_read_inferior (&original_server_port_name,
- &original_server_port_name,
- sizeof (original_server_port_name)))
- error ("Can't read inferior task bootstrap port name");
-
- /* @@ BUG: If more than 1 send right GDB will FAIL!!! */
- /* Should get refs, and set them back when restoring */
- /* Steal the original bsd server send right from inferior */
- ret = mach_port_extract_right (inferior_task,
- original_server_port_name,
- MACH_MSG_TYPE_MOVE_SEND,
- &original_server_send,
- &acquired);
- CHK ("mach_port_extract_right (bsd server send)", ret);
-
- if (acquired != MACH_MSG_TYPE_PORT_SEND)
- error ("Incorrect right extracted, send right to bsd server expected");
-
- ret = mach_port_insert_right (inferior_task,
- original_server_port_name,
- fake_server,
- MACH_MSG_TYPE_MAKE_SEND);
- CHK ("mach_port_insert_right (fake server send)", ret);
-
- xx_debug ("inferior task bsd server ports set up \nfs %x, ospn %x, oss %x\n",
- fake_server,
- original_server_port_name, original_server_send);
-
- /* A receive right to the reply generated by unix server exec() request */
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &exec_reply);
- CHK ("create intercepted_reply_port port failed", ret);
-
- /* Pass this send right to Unix server so it replies to us after exec() */
- ret = mach_port_extract_right (mach_task_self (),
- exec_reply,
- MACH_MSG_TYPE_MAKE_SEND_ONCE,
- &exec_reply_send,
- &acquired);
- CHK ("mach_port_extract_right (exec_reply)", ret);
-
- if (acquired != MACH_MSG_TYPE_PORT_SEND_ONCE)
- error ("Incorrect right extracted, send once expected for exec reply");
-
- ret = mach_port_move_member (mach_task_self (),
- fake_server,
- inferior_wait_port_set);
- CHK ("Moving fake syscall port to inferior_wait_port_set", ret);
-
- xx_debug ("syscall fake server set up, resuming inferior\n");
-
- ret = task_resume (inferior_task);
- CHK ("task_resume (startup)", ret);
-
- /* Read requests from the inferior.
- Pass directly through everything else except exec() calls.
- */
- while (exec_counter > 0)
- {
- ret = mach_msg (&syscall_in.header, /* header */
- MACH_RCV_MSG, /* options */
- 0, /* send size */
- sizeof (struct syscall_msg_t), /* receive size */
- inferior_wait_port_set, /* receive_name */
- MACH_MSG_TIMEOUT_NONE,
- MACH_PORT_NULL);
- CHK ("mach_msg (intercepted sycall)", ret);
-
-#ifdef DUMP_SYSCALL
- print_msg (&syscall_in.header);
-#endif
-
- /* ASSERT : msgh_local_port == fake_server */
-
- if (notify_server (&syscall_in.header, &syscall_out.header))
- error ("received a notify while intercepting syscalls");
-
- if (syscall_in.header.msgh_id == MIG_EXEC_SYSCALL_ID)
- {
- xx_debug ("Received EXEC SYSCALL, counter = %d\n", exec_counter);
- if (exec_counter == 1)
- {
- original_exec_reply = syscall_in.header.msgh_remote_port;
- syscall_in.header.msgh_remote_port = exec_reply_send;
- }
-
- if (!terminal_initted)
- {
- /* Now that the child has exec'd we know it has already set its
- process group. On POSIX systems, tcsetpgrp will fail with
- EPERM if we try it before the child's setpgid. */
-
- /* Set up the "saved terminal modes" of the inferior
- based on what modes we are starting it with. */
- target_terminal_init ();
-
- /* Install inferior's terminal modes. */
- target_terminal_inferior ();
-
- terminal_initted = 1;
- }
-
- exec_counter--;
- }
-
- syscall_in.header.msgh_local_port = syscall_in.header.msgh_remote_port;
- syscall_in.header.msgh_remote_port = original_server_send;
-
- reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_COPY_SEND);
-
- ret = mach_msg_send (&syscall_in.header);
- CHK ("Forwarded syscall", ret);
- }
-
- ret = mach_port_move_member (mach_task_self (),
- fake_server,
- MACH_PORT_NULL);
- CHK ("Moving fake syscall out of inferior_wait_port_set", ret);
-
- ret = mach_port_move_member (mach_task_self (),
- exec_reply,
- inferior_wait_port_set);
- CHK ("Moving exec_reply to inferior_wait_port_set", ret);
-
- ret = mach_msg (&syscall_in.header, /* header */
- MACH_RCV_MSG, /* options */
- 0, /* send size */
- sizeof (struct syscall_msg_t), /* receive size */
- inferior_wait_port_set, /* receive_name */
- MACH_MSG_TIMEOUT_NONE,
- MACH_PORT_NULL);
- CHK ("mach_msg (exec reply)", ret);
-
- ret = task_suspend (inferior_task);
- CHK ("Suspending inferior after last exec", ret);
-
- must_suspend_thread = 0;
-
- xx_debug ("Received exec reply from bsd server, suspended inferior task\n");
-
-#ifdef DUMP_SYSCALL
- print_msg (&syscall_in.header);
-#endif
-
- /* Message should appear as if it came from the unix server */
- syscall_in.header.msgh_local_port = MACH_PORT_NULL;
-
- /* and go to the inferior task original reply port */
- syscall_in.header.msgh_remote_port = original_exec_reply;
-
- reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_MOVE_SEND_ONCE);
-
- ret = mach_msg_send (&syscall_in.header);
- CHK ("Forwarding exec reply to inferior", ret);
-
- /* Garbage collect */
- ret = mach_port_deallocate (inferior_task,
- original_server_port_name);
- CHK ("deallocating fake server send right", ret);
-
- ret = mach_port_insert_right (inferior_task,
- original_server_port_name,
- original_server_send,
- MACH_MSG_TYPE_MOVE_SEND);
- CHK ("Restoring the original bsd server send right", ret);
-
- ret = mach_port_destroy (mach_task_self (),
- fake_server);
- fake_server = MACH_PORT_DEAD;
- CHK ("mach_port_destroy (fake_server)", ret);
-
- ret = mach_port_destroy (mach_task_self (),
- exec_reply);
- exec_reply = MACH_PORT_DEAD;
- CHK ("mach_port_destroy (exec_reply)", ret);
-
- xx_debug ("Done with exec call interception\n");
-}
-
-void
-consume_send_rights (thread_array_t thread_list, int thread_count)
-{
- int index;
-
- if (!thread_count)
- return;
-
- for (index = 0; index < thread_count; index++)
- {
- /* Since thread kill command kills threads, don't check ret */
- (void) mach_port_deallocate (mach_task_self (),
- thread_list[index]);
- }
-}
-
-/* suspend/abort/resume a thread. */
-setup_thread (mach_port_t thread, int what)
-{
- kern_return_t ret;
-
- if (what)
- {
- ret = thread_suspend (thread);
- CHK ("setup_thread thread_suspend", ret);
-
- ret = thread_abort (thread);
- CHK ("setup_thread thread_abort", ret);
- }
- else
- {
- ret = thread_resume (thread);
- CHK ("setup_thread thread_resume", ret);
- }
-}
-
-int
-map_slot_to_mid (int slot, thread_array_t threads, int thread_count)
-{
- kern_return_t ret;
- int deallocate = 0;
- int index;
- int mid;
-
- if (!threads)
- {
- deallocate++;
- ret = task_threads (inferior_task, &threads, &thread_count);
- CHK ("Can not select a thread from a dead task", ret);
- }
-
- if (slot < 0 || slot >= thread_count)
- {
- if (deallocate)
- {
- consume_send_rights (threads, thread_count);
- (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
- (thread_count * sizeof (mach_port_t)));
- }
- if (slot < 0)
- error ("invalid slot number");
- else
- return -(slot + 1);
- }
-
- mid = map_port_name_to_mid (threads[slot], MACH_TYPE_THREAD);
-
- if (deallocate)
- {
- consume_send_rights (threads, thread_count);
- (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
- (thread_count * sizeof (mach_port_t)));
- }
-
- return mid;
-}
-
-static int
-parse_thread_id (char *arg, int thread_count, int slots)
-{
- kern_return_t ret;
- int mid;
- int slot;
- int index;
-
- if (arg == 0)
- return 0;
-
- while (*arg && (*arg == ' ' || *arg == '\t'))
- arg++;
-
- if (!*arg)
- return 0;
-
- /* Currently parse MID and @SLOTNUMBER */
- if (*arg != '@')
- {
- mid = atoi (arg);
- if (mid <= 0)
- error ("valid thread mid expected");
- return mid;
- }
-
- arg++;
- slot = atoi (arg);
-
- if (slot < 0)
- error ("invalid slot number");
-
- /* If you want slot numbers to remain slot numbers, set slots.
-
- * Well, since 0 is reserved, return the ordinal number
- * of the thread rather than the slot number. Awk, this
- * counts as a kludge.
- */
- if (slots)
- return -(slot + 1);
-
- if (thread_count && slot >= thread_count)
- return -(slot + 1);
-
- mid = map_slot_to_mid (slot);
-
- return mid;
-}
-
-/* THREAD_ID 0 is special; it selects the first kernel
- * thread from the list (i.e. SLOTNUMBER 0)
- * This is used when starting the program with 'run' or when attaching.
- *
- * If FLAG is 0 the context is not changed, and the registers, frame, etc
- * will continue to describe the old thread.
- *
- * If FLAG is nonzero, really select the thread.
- * If FLAG is 2, the THREAD_ID is a slotnumber instead of a mid.
- *
- */
-kern_return_t
-select_thread (mach_port_t task, int thread_id, int flag)
-{
- thread_array_t thread_list;
- int thread_count;
- kern_return_t ret;
- int index;
- thread_t new_thread = MACH_PORT_NULL;
-
- if (thread_id < 0)
- error ("Can't select cprocs without kernel thread");
-
- ret = task_threads (task, &thread_list, &thread_count);
- if (ret != KERN_SUCCESS)
- {
- warning ("Can not select a thread from a dead task");
- m3_kill_inferior ();
- return KERN_FAILURE;
- }
-
- if (thread_count == 0)
- {
- /* The task can not do anything anymore, but it still
- * exists as a container for memory and ports.
- */
- registers_changed ();
- warning ("Task %d has no threads",
- map_port_name_to_mid (task, MACH_TYPE_TASK));
- current_thread = MACH_PORT_NULL;
- (void) vm_deallocate (mach_task_self (),
- (vm_address_t) thread_list,
- (thread_count * sizeof (mach_port_t)));
- return KERN_FAILURE;
- }
-
- if (!thread_id || flag == 2)
- {
- /* First thread or a slotnumber */
- if (!thread_id)
- new_thread = thread_list[0];
- else
- {
- if (thread_id < thread_count)
- new_thread = thread_list[thread_id];
- else
- {
- (void) vm_deallocate (mach_task_self (),
- (vm_address_t) thread_list,
- (thread_count * sizeof (mach_port_t)));
- error ("No such thread slot number : %d", thread_id);
- }
- }
- }
- else
- {
- for (index = 0; index < thread_count; index++)
- if (thread_id == map_port_name_to_mid (thread_list[index],
- MACH_TYPE_THREAD))
- {
- new_thread = thread_list[index];
- index = -1;
- break;
- }
-
- if (index != -1)
- error ("No thread with mid %d", thread_id);
- }
-
- /* Notify when the selected thread dies */
- request_notify (new_thread, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_THREAD);
-
- ret = vm_deallocate (mach_task_self (),
- (vm_address_t) thread_list,
- (thread_count * sizeof (mach_port_t)));
- CHK ("vm_deallocate", ret);
-
- if (!flag)
- current_thread = new_thread;
- else
- {
-#if 0
- if (MACH_PORT_VALID (current_thread))
- {
- /* Store the gdb's view of the thread we are deselecting
-
- * @@ I think gdb updates registers immediately when they are
- * changed, so don't do this.
- */
- ret = thread_abort (current_thread);
- CHK ("Could not abort system calls when saving state of old thread",
- ret);
- target_prepare_to_store ();
- target_store_registers (-1);
- }
-#endif
-
- registers_changed ();
-
- current_thread = new_thread;
-
- ret = thread_abort (current_thread);
- CHK ("Could not abort system calls when selecting a thread", ret);
-
- stop_pc = read_pc ();
- flush_cached_frames ();
-
- select_frame (get_current_frame ());
- }
-
- return KERN_SUCCESS;
-}
-
-/*
- * Switch to use thread named NEW_THREAD.
- * Return it's MID
- */
-int
-switch_to_thread (thread_t new_thread)
-{
- thread_t saved_thread = current_thread;
- int mid;
-
- mid = map_port_name_to_mid (new_thread,
- MACH_TYPE_THREAD);
- if (mid == -1)
- warning ("Can't map thread name 0x%x to mid", new_thread);
- else if (select_thread (inferior_task, mid, 1) != KERN_SUCCESS)
- {
- if (current_thread)
- current_thread = saved_thread;
- error ("Could not select thread %d", mid);
- }
-
- return mid;
-}
-
-/* Do this in gdb after doing FORK but before STARTUP_INFERIOR.
- * Note that the registers are not yet valid in the inferior task.
- */
-static int
-m3_trace_him (int pid)
-{
- kern_return_t ret;
-
- push_target (&m3_ops);
-
- inferior_task = task_by_pid (pid);
-
- if (!MACH_PORT_VALID (inferior_task))
- error ("Can not map Unix pid %d to Mach task", pid);
-
- /* Clean up previous notifications and create new ones */
- setup_notify_port (1);
-
- /* When notification appears, the inferior task has died */
- request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
-
- emulator_present = have_emulator_p (inferior_task);
-
- /* By default, select the first thread,
- * If task has no threads, gives a warning
- * Does not fetch registers, since they are not yet valid.
- */
- select_thread (inferior_task, 0, 0);
-
- inferior_exception_port = MACH_PORT_NULL;
-
- setup_exception_port ();
-
- xx_debug ("Now the debugged task is created\n");
-
- /* One trap to exec the shell, one to exec the program being debugged. */
- intercept_exec_calls (2);
-
- return pid;
-}
-
-setup_exception_port (void)
-{
- kern_return_t ret;
-
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &inferior_exception_port);
- CHK ("mach_port_allocate", ret);
-
- /* add send right */
- ret = mach_port_insert_right (mach_task_self (),
- inferior_exception_port,
- inferior_exception_port,
- MACH_MSG_TYPE_MAKE_SEND);
- CHK ("mach_port_insert_right", ret);
-
- ret = mach_port_move_member (mach_task_self (),
- inferior_exception_port,
- inferior_wait_port_set);
- CHK ("mach_port_move_member", ret);
-
- ret = task_get_special_port (inferior_task,
- TASK_EXCEPTION_PORT,
- &inferior_old_exception_port);
- CHK ("task_get_special_port(old exc)", ret);
-
- ret = task_set_special_port (inferior_task,
- TASK_EXCEPTION_PORT,
- inferior_exception_port);
- CHK ("task_set_special_port", ret);
-
- ret = mach_port_deallocate (mach_task_self (),
- inferior_exception_port);
- CHK ("mack_port_deallocate", ret);
-
-#if 0
- /* When notify appears, the inferior_task's exception
- * port has been destroyed.
- *
- * Not used, since the dead_name_notification already
- * appears when task dies.
- *
- */
- request_notify (inferior_exception_port,
- MACH_NOTIFY_NO_SENDERS,
- MACH_TYPE_EXCEPTION_PORT);
-#endif
-}
-
-/* Nonzero if gdb is waiting for a message */
-int mach_really_waiting;
-
-/* Wait for the inferior to stop for some reason.
- - Loop on notifications until inferior_task dies.
- - Loop on exceptions until stopped_in_exception comes true.
- (e.g. we receive a single step trace trap)
- - a message arrives to gdb's message port
-
- There is no other way to exit this loop.
-
- Returns the inferior_ptid for rest of gdb.
- Side effects: Set *OURSTATUS. */
-ptid_t
-mach_really_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
-{
- kern_return_t ret;
- int w;
-
- struct msg
- {
- mach_msg_header_t header;
- mach_msg_type_t foo;
- int data[8000];
- }
- in_msg, out_msg;
-
- /* Either notify (death), exception or message can stop the inferior */
- stopped_in_exception = FALSE;
-
- while (1)
- {
- QUIT;
-
- stop_exception = stop_code = stop_subcode = -1;
- stop_thread = MACH_PORT_NULL;
-
- mach_really_waiting = 1;
- ret = mach_msg (&in_msg.header, /* header */
- MACH_RCV_MSG, /* options */
- 0, /* send size */
- sizeof (struct msg), /* receive size */
- currently_waiting_for, /* receive name */
- MACH_MSG_TIMEOUT_NONE,
- MACH_PORT_NULL);
- mach_really_waiting = 0;
- CHK ("mach_msg (receive)", ret);
-
- /* Check if we received a notify of the childs' death */
- if (notify_server (&in_msg.header, &out_msg.header))
- {
- /* If inferior_task is null then the inferior has
- gone away and we want to return to command level.
- Otherwise it was just an informative message and we
- need to look to see if there are any more. */
- if (inferior_task != MACH_PORT_NULL)
- continue;
- else
- {
- /* Collect Unix exit status for gdb */
-
- wait3 (&w, WNOHANG, 0);
-
- /* This mess is here to check that the rest of
- * gdb knows that the inferior died. It also
- * tries to hack around the fact that Mach 3.0 (mk69)
- * unix server (ux28) does not always know what
- * has happened to it's children when mach-magic
- * is applied on them.
- */
- if ((!WIFEXITED (w) && WIFSTOPPED (w)) ||
- (WIFEXITED (w) && WEXITSTATUS (w) > 0377))
- {
- WSETEXIT (w, 0);
- warning ("Using exit value 0 for terminated task");
- }
- else if (!WIFEXITED (w))
- {
- int sig = WTERMSIG (w);
-
- /* Signals cause problems. Warn the user. */
- if (sig != SIGKILL) /* Bad luck if garbage matches this */
- warning ("The terminating signal stuff may be nonsense");
- else if (sig > NSIG)
- {
- WSETEXIT (w, 0);
- warning ("Using exit value 0 for terminated task");
- }
- }
- store_waitstatus (ourstatus, w);
- return inferior_ptid;
- }
- }
-
- /* Hmm. Check for exception, as it was not a notification.
- exc_server() does an upcall to catch_exception_raise()
- if this rpc is an exception. Further actions are decided
- there.
- */
- if (!exc_server (&in_msg.header, &out_msg.header))
- {
-
- /* Not an exception, check for message.
-
- * Messages don't come from the inferior, or if they
- * do they better be asynchronous or it will hang.
- */
- if (gdb_message_server (&in_msg.header))
- continue;
-
- error ("Unrecognized message received in mach_really_wait");
- }
-
- /* Send the reply of the exception rpc to the suspended task */
- ret = mach_msg_send (&out_msg.header);
- CHK ("mach_msg_send (exc reply)", ret);
-
- if (stopped_in_exception)
- {
- /* Get unix state. May be changed in mach3_exception_actions() */
- wait3 (&w, WNOHANG, 0);
-
- mach3_exception_actions (&w, FALSE, "Task");
-
- store_waitstatus (ourstatus, w);
- return inferior_ptid;
- }
- }
-}
-
-/* Called by macro DO_QUIT() in utils.c(quit).
- * This is called just before calling error() to return to command level
- */
-void
-mach3_quit (void)
-{
- int mid;
- kern_return_t ret;
-
- if (mach_really_waiting)
- {
- ret = task_suspend (inferior_task);
-
- if (ret != KERN_SUCCESS)
- {
- warning ("Could not suspend task for interrupt: %s",
- mach_error_string (ret));
- mach_really_waiting = 0;
- return;
- }
- }
-
- must_suspend_thread = 0;
- mach_really_waiting = 0;
-
- mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
- if (mid == -1)
- {
- warning ("Selecting first existing kernel thread");
- mid = 0;
- }
-
- current_thread = MACH_PORT_NULL; /* Force setup */
- select_thread (inferior_task, mid, 1);
-
- return;
-}
-
-#if 0
-/* bogus bogus bogus. It is NOT OK to quit out of target_wait. */
-
-/* If ^C is typed when we are waiting for a message
- * and your Unix server is able to notice that we
- * should quit now.
- *
- * Called by REQUEST_QUIT() from utils.c(request_quit)
- */
-void
-mach3_request_quit (void)
-{
- if (mach_really_waiting)
- immediate_quit = 1;
-}
-#endif
-
-/*
- * Gdb message server.
- * Currently implemented is the STOP message, that causes
- * gdb to return to the command level like ^C had been typed from terminal.
- */
-int
-gdb_message_server (mach_msg_header_t *InP)
-{
- kern_return_t ret;
- int mid;
-
- if (InP->msgh_local_port == our_message_port)
- {
- /* A message coming to our_message_port. Check validity */
- switch (InP->msgh_id)
- {
-
- case GDB_MESSAGE_ID_STOP:
- ret = task_suspend (inferior_task);
- if (ret != KERN_SUCCESS)
- warning ("Could not suspend task for stop message: %s",
- mach_error_string (ret));
-
- /* QUIT in mach_really_wait() loop. */
- request_quit (0);
- break;
-
- default:
- warning ("Invalid message id %d received, ignored.",
- InP->msgh_id);
- break;
- }
-
- return 1;
- }
-
- /* Message not handled by this server */
- return 0;
-}
-
-/* NOTE: This is not an RPC call. It is a simpleroutine.
-
- * This is not called from this gdb code.
- *
- * It may be called by another debugger to cause this
- * debugger to enter command level:
- *
- * (gdb) set stop_inferior_gdb ()
- * (gdb) continue
- *
- * External program "stop-gdb" implements this also.
- */
-void
-stop_inferior_gdb (void)
-{
- kern_return_t ret;
-
- /* Code generated by mig, with minor cleanups :-)
-
- * simpleroutine stop_inferior_gdb (our_message_port : mach_port_t);
- */
-
- typedef struct
- {
- mach_msg_header_t Head;
- }
- Request;
-
- Request Mess;
-
- register Request *InP = &Mess;
-
- InP->Head.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND, 0);
-
- /* msgh_size passed as argument */
- InP->Head.msgh_remote_port = our_message_port;
- InP->Head.msgh_local_port = MACH_PORT_NULL;
- InP->Head.msgh_seqno = 0;
- InP->Head.msgh_id = GDB_MESSAGE_ID_STOP;
-
- ret = mach_msg (&InP->Head,
- MACH_SEND_MSG | MACH_MSG_OPTION_NONE,
- sizeof (Request),
- 0,
- MACH_PORT_NULL,
- MACH_MSG_TIMEOUT_NONE,
- MACH_PORT_NULL);
-}
-
-#ifdef THREAD_ALLOWED_TO_BREAK
-/*
- * Return 1 if the MID specifies the thread that caused the
- * last exception.
- * Since catch_exception_raise() selects the thread causing
- * the last exception to current_thread, we just check that
- * it is selected and the last exception was a breakpoint.
- */
-int
-mach_thread_for_breakpoint (int mid)
-{
- int cmid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-
- if (mid < 0)
- {
- mid = map_slot_to_mid (-(mid + 1), 0, 0);
- if (mid < 0)
- return 0; /* Don't stop, no such slot */
- }
-
- if (!mid || cmid == -1)
- return 1; /* stop */
-
- return cmid == mid && stop_exception == EXC_BREAKPOINT;
-}
-#endif /* THREAD_ALLOWED_TO_BREAK */
-
-#ifdef THREAD_PARSE_ID
-/*
- * Map a thread id string (MID or a @SLOTNUMBER)
- * to a thread-id.
- *
- * 0 matches all threads.
- * Otherwise the meaning is defined only in this file.
- * (mach_thread_for_breakpoint uses it)
- *
- * @@ This allows non-existent MIDs to be specified.
- * It now also allows non-existent slots to be
- * specified. (Slot numbers stored are negative,
- * and the magnitude is one greater than the actual
- * slot index. (Since 0 is reserved))
- */
-int
-mach_thread_parse_id (char *arg)
-{
- int mid;
- if (arg == 0)
- error ("thread id expected");
- mid = parse_thread_id (arg, 0, 1);
-
- return mid;
-}
-#endif /* THREAD_PARSE_ID */
-
-#ifdef THREAD_OUTPUT_ID
-char *
-mach_thread_output_id (int mid)
-{
- static char foobar[20];
-
- if (mid > 0)
- sprintf (foobar, "mid %d", mid);
- else if (mid < 0)
- sprintf (foobar, "@%d", -(mid + 1));
- else
- sprintf (foobar, "*any thread*");
-
- return foobar;
-}
-#endif /* THREAD_OUTPUT_ID */
-
-/* Called with hook PREPARE_TO_PROCEED() from infrun.c.
-
- * If we have switched threads and stopped at breakpoint return 1 otherwise 0.
- *
- * if SELECT_IT is nonzero, reselect the thread that was active when
- * we stopped at a breakpoint.
- *
- * Note that this implementation is potentially redundant now that
- * default_prepare_to_proceed() has been added.
- *
- * FIXME This may not support switching threads after Ctrl-C
- * correctly. The default implementation does support this.
- */
-
-mach3_prepare_to_proceed (int select_it)
-{
- if (stop_thread &&
- stop_thread != current_thread &&
- stop_exception == EXC_BREAKPOINT)
- {
- int mid;
-
- if (!select_it)
- return 1;
-
- mid = switch_to_thread (stop_thread);
-
- return 1;
- }
-
- return 0;
-}
-
-/* this stuff here is an upcall via libmach/excServer.c
- and mach_really_wait which does the actual upcall.
-
- The code will pass the exception to the inferior if:
-
- - The task that signaled is not the inferior task
- (e.g. when debugging another debugger)
-
- - The user has explicitely requested to pass on the exceptions.
- (e.g to the default unix exception handler, which maps
- exceptions to signals, or the user has her own exception handler)
-
- - If the thread that signaled is being single-stepped and it
- has set it's own exception port and the exception is not
- EXC_BREAKPOINT. (Maybe this is not desirable?)
- */
-
-kern_return_t
-catch_exception_raise (mach_port_t port, thread_t thread, task_t task,
- int exception, int code, int subcode)
-{
- kern_return_t ret;
- boolean_t signal_thread;
- int mid = map_port_name_to_mid (thread, MACH_TYPE_THREAD);
-
- if (!MACH_PORT_VALID (thread))
- {
- /* If the exception was sent and thread dies before we
- receive it, THREAD will be MACH_PORT_DEAD
- */
-
- current_thread = thread = MACH_PORT_NULL;
- error ("Received exception from nonexistent thread");
- }
-
- /* Check if the task died in transit.
- * @@ Isn't the thread also invalid in such case?
- */
- if (!MACH_PORT_VALID (task))
- {
- current_thread = thread = MACH_PORT_NULL;
- error ("Received exception from nonexistent task");
- }
-
- if (exception < 0 || exception > MAX_EXCEPTION)
- internal_error (__FILE__, __LINE__,
- "catch_exception_raise: unknown exception code %d thread %d",
- exception,
- mid);
-
- if (!MACH_PORT_VALID (inferior_task))
- error ("got an exception, but inferior_task is null or dead");
-
- stop_exception = exception;
- stop_code = code;
- stop_subcode = subcode;
- stop_thread = thread;
-
- signal_thread = exception != EXC_BREAKPOINT &&
- port == singlestepped_thread_port &&
- MACH_PORT_VALID (thread_saved_exception_port);
-
- /* If it was not our inferior or if we want to forward
- * the exception to the inferior's handler, do it here
- *
- * Note: If you have forwarded EXC_BREAKPOINT I trust you know why.
- */
- if (task != inferior_task ||
- signal_thread ||
- exception_map[exception].forward)
- {
- mach_port_t eport = inferior_old_exception_port;
-
- if (signal_thread)
- {
- /*
- GDB now forwards the exeption to thread's original handler,
- since the user propably knows what he is doing.
- Give a message, though.
- */
-
- mach3_exception_actions ((WAITTYPE *) NULL, TRUE, "Thread");
- eport = thread_saved_exception_port;
- }
-
- /* Send the exception to the original handler */
- ret = exception_raise (eport,
- thread,
- task,
- exception,
- code,
- subcode);
-
- (void) mach_port_deallocate (mach_task_self (), task);
- (void) mach_port_deallocate (mach_task_self (), thread);
-
- /* If we come here, we don't want to trace any more, since we
- * will never stop for tracing anyway.
- */
- discard_single_step (thread);
-
- /* Do not stop the inferior */
- return ret;
- }
-
- /* Now gdb handles the exception */
- stopped_in_exception = TRUE;
-
- ret = task_suspend (task);
- CHK ("Error suspending inferior after exception", ret);
-
- must_suspend_thread = 0;
-
- if (current_thread != thread)
- {
- if (MACH_PORT_VALID (singlestepped_thread_port))
- /* Cleanup discards single stepping */
- error ("Exception from thread %d while singlestepping thread %d",
- mid,
- map_port_name_to_mid (current_thread, MACH_TYPE_THREAD));
-
- /* Then select the thread that caused the exception */
- if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
- error ("Could not select thread %d causing exception", mid);
- else
- warning ("Gdb selected thread %d", mid);
- }
-
- /* If we receive an exception that is not breakpoint
- * exception, we interrupt the single step and return to
- * debugger. Trace condition is cleared.
- */
- if (MACH_PORT_VALID (singlestepped_thread_port))
- {
- if (stop_exception != EXC_BREAKPOINT)
- warning ("Single step interrupted by exception");
- else if (port == singlestepped_thread_port)
- {
- /* Single step exception occurred, remove trace bit
- * and return to gdb.
- */
- if (!MACH_PORT_VALID (current_thread))
- error ("Single stepped thread is not valid");
-
- /* Resume threads, but leave the task suspended */
- resume_all_threads (0);
- }
- else
- warning ("Breakpoint while single stepping?");
-
- discard_single_step (current_thread);
- }
-
- (void) mach_port_deallocate (mach_task_self (), task);
- (void) mach_port_deallocate (mach_task_self (), thread);
-
- return KERN_SUCCESS;
-}
-\f
-int
-port_valid (mach_port_t port, int mask)
-{
- kern_return_t ret;
- mach_port_type_t type;
-
- ret = mach_port_type (mach_task_self (),
- port,
- &type);
- if (ret != KERN_SUCCESS || (type & mask) != mask)
- return 0;
- return 1;
-}
-\f
-/* @@ No vm read cache implemented yet */
-boolean_t vm_read_cache_valid = FALSE;
-
-/*
- * Read inferior task's LEN bytes from ADDR and copy it to MYADDR
- * in gdb's address space.
- *
- * Return 0 on failure; number of bytes read otherwise.
- */
-int
-mach3_read_inferior (CORE_ADDR addr, char *myaddr, int length)
-{
- kern_return_t ret;
- vm_address_t low_address = (vm_address_t) trunc_page (addr);
- vm_size_t aligned_length =
- (vm_size_t) round_page (addr + length) - low_address;
- pointer_t copied_memory;
- int copy_count;
-
- /* Get memory from inferior with page aligned addresses */
- ret = vm_read (inferior_task,
- low_address,
- aligned_length,
- &copied_memory,
- ©_count);
- if (ret != KERN_SUCCESS)
- {
- /* the problem is that the inferior might be killed for whatever reason
- * before we go to mach_really_wait. This is one place that ought to
- * catch many of those errors.
- * @@ A better fix would be to make all external events to GDB
- * to arrive via a SINGLE port set. (Including user input!)
- */
-
- if (!port_valid (inferior_task, MACH_PORT_TYPE_SEND))
- {
- m3_kill_inferior ();
- error ("Inferior killed (task port invalid)");
- }
- else
- {
-#ifdef OSF
- extern int errno;
- /* valprint.c gives nicer format if this does not
- screw it. Eamonn seems to like this, so I enable
- it if OSF is defined...
- */
- warning ("[read inferior %x failed: %s]",
- addr, mach_error_string (ret));
- errno = 0;
-#endif
- return 0;
- }
- }
-
- memcpy (myaddr, (char *) addr - low_address + copied_memory, length);
-
- ret = vm_deallocate (mach_task_self (),
- copied_memory,
- copy_count);
- CHK ("mach3_read_inferior vm_deallocate failed", ret);
-
- return length;
-}
-
-#define CHK_GOTO_OUT(str,ret) \
- do if (ret != KERN_SUCCESS) { errstr = #str; goto out; } while(0)
-
-struct vm_region_list
-{
- struct vm_region_list *next;
- vm_prot_t protection;
- vm_address_t start;
- vm_size_t length;
-};
-
-struct obstack region_obstack;
-
-/*
- * Write inferior task's LEN bytes from ADDR and copy it to MYADDR
- * in gdb's address space.
- */
-int
-mach3_write_inferior (CORE_ADDR addr, char *myaddr, int length)
-{
- kern_return_t ret;
- vm_address_t low_address = (vm_address_t) trunc_page (addr);
- vm_size_t aligned_length =
- (vm_size_t) round_page (addr + length) - low_address;
- pointer_t copied_memory;
- int copy_count;
- int deallocate = 0;
-
- char *errstr = "Bug in mach3_write_inferior";
-
- struct vm_region_list *region_element;
- struct vm_region_list *region_head = (struct vm_region_list *) NULL;
-
- /* Get memory from inferior with page aligned addresses */
- ret = vm_read (inferior_task,
- low_address,
- aligned_length,
- &copied_memory,
- ©_count);
- CHK_GOTO_OUT ("mach3_write_inferior vm_read failed", ret);
-
- deallocate++;
-
- memcpy ((char *) addr - low_address + copied_memory, myaddr, length);
-
- obstack_init (®ion_obstack);
-
- /* Do writes atomically.
- * First check for holes and unwritable memory.
- */
- {
- vm_size_t remaining_length = aligned_length;
- vm_address_t region_address = low_address;
-
- struct vm_region_list *scan;
-
- while (region_address < low_address + aligned_length)
- {
- vm_prot_t protection;
- vm_prot_t max_protection;
- vm_inherit_t inheritance;
- boolean_t shared;
- mach_port_t object_name;
- vm_offset_t offset;
- vm_size_t region_length = remaining_length;
- vm_address_t old_address = region_address;
-
- ret = vm_region (inferior_task,
- ®ion_address,
- ®ion_length,
- &protection,
- &max_protection,
- &inheritance,
- &shared,
- &object_name,
- &offset);
- CHK_GOTO_OUT ("vm_region failed", ret);
-
- /* Check for holes in memory */
- if (old_address != region_address)
- {
- warning ("No memory at 0x%x. Nothing written",
- old_address);
- ret = KERN_SUCCESS;
- length = 0;
- goto out;
- }
-
- if (!(max_protection & VM_PROT_WRITE))
- {
- warning ("Memory at address 0x%x is unwritable. Nothing written",
- old_address);
- ret = KERN_SUCCESS;
- length = 0;
- goto out;
- }
-
- /* Chain the regions for later use */
- region_element =
- (struct vm_region_list *)
- obstack_alloc (®ion_obstack, sizeof (struct vm_region_list));
-
- region_element->protection = protection;
- region_element->start = region_address;
- region_element->length = region_length;
-
- /* Chain the regions along with protections */
- region_element->next = region_head;
- region_head = region_element;
-
- region_address += region_length;
- remaining_length = remaining_length - region_length;
- }
-
- /* If things fail after this, we give up.
- * Somebody is messing up inferior_task's mappings.
- */
-
- /* Enable writes to the chained vm regions */
- for (scan = region_head; scan; scan = scan->next)
- {
- boolean_t protection_changed = FALSE;
-
- if (!(scan->protection & VM_PROT_WRITE))
- {
- ret = vm_protect (inferior_task,
- scan->start,
- scan->length,
- FALSE,
- scan->protection | VM_PROT_WRITE);
- CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
- }
- }
-
- ret = vm_write (inferior_task,
- low_address,
- copied_memory,
- aligned_length);
- CHK_GOTO_OUT ("vm_write failed", ret);
-
- /* Set up the original region protections, if they were changed */
- for (scan = region_head; scan; scan = scan->next)
- {
- boolean_t protection_changed = FALSE;
-
- if (!(scan->protection & VM_PROT_WRITE))
- {
- ret = vm_protect (inferior_task,
- scan->start,
- scan->length,
- FALSE,
- scan->protection);
- CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
- }
- }
- }
-
-out:
- if (deallocate)
- {
- obstack_free (®ion_obstack, 0);
-
- (void) vm_deallocate (mach_task_self (),
- copied_memory,
- copy_count);
- }
-
- if (ret != KERN_SUCCESS)
- {
- warning ("%s %s", errstr, mach_error_string (ret));
- return 0;
- }
-
- return length;
-}
-
-/* Return 0 on failure, number of bytes handled otherwise. TARGET is
- ignored. */
-static int
-m3_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
- struct target_ops *target)
-{
- int result;
-
- if (write)
- result = mach3_write_inferior (memaddr, myaddr, len);
- else
- result = mach3_read_inferior (memaddr, myaddr, len);
-
- return result;
-}
-\f
-
-static char *
-translate_state (int state)
-{
- switch (state)
- {
- case TH_STATE_RUNNING:
- return ("R");
- case TH_STATE_STOPPED:
- return ("S");
- case TH_STATE_WAITING:
- return ("W");
- case TH_STATE_UNINTERRUPTIBLE:
- return ("U");
- case TH_STATE_HALTED:
- return ("H");
- default:
- return ("?");
- }
-}
-
-static char *
-translate_cstate (int state)
-{
- switch (state)
- {
- case CPROC_RUNNING:
- return "R";
- case CPROC_SWITCHING:
- return "S";
- case CPROC_BLOCKED:
- return "B";
- case CPROC_CONDWAIT:
- return "C";
- case CPROC_CONDWAIT | CPROC_SWITCHING:
- return "CS";
- default:
- return "?";
- }
-}
-
-/* type == MACH_MSG_TYPE_COPY_SEND || type == MACH_MSG_TYPE_MAKE_SEND */
-
-mach_port_t /* no mach_port_name_t found in include files. */
-map_inferior_port_name (mach_port_t inferior_name, mach_msg_type_name_t type)
-{
- kern_return_t ret;
- mach_msg_type_name_t acquired;
- mach_port_t iport;
-
- ret = mach_port_extract_right (inferior_task,
- inferior_name,
- type,
- &iport,
- &acquired);
- CHK ("mach_port_extract_right (map_inferior_port_name)", ret);
-
- if (acquired != MACH_MSG_TYPE_PORT_SEND)
- error ("Incorrect right extracted, (map_inferior_port_name)");
-
- ret = mach_port_deallocate (mach_task_self (),
- iport);
- CHK ("Deallocating mapped port (map_inferior_port_name)", ret);
-
- return iport;
-}
-
-/*
- * Naming convention:
- * Always return user defined name if found.
- * _K == A kernel thread with no matching CPROC
- * _C == A cproc with no current cthread
- * _t == A cthread with no user defined name
- *
- * The digits that follow the _names are the SLOT number of the
- * kernel thread if there is such a thing, otherwise just a negation
- * of the sequential number of such cprocs.
- */
-
-static char buf[7];
-
-static char *
-get_thread_name (gdb_thread_t one_cproc, int id)
-{
- if (one_cproc)
- if (one_cproc->cthread == NULL)
- {
- /* cproc not mapped to any cthread */
- sprintf (buf, "_C%d", id);
- }
- else if (!one_cproc->cthread->name)
- {
- /* cproc and cthread, but no name */
- sprintf (buf, "_t%d", id);
- }
- else
- return (char *) (one_cproc->cthread->name);
- else
- {
- if (id < 0)
- warning ("Inconsistency in thread name id %d", id);
-
- /* Kernel thread without cproc */
- sprintf (buf, "_K%d", id);
- }
-
- return buf;
-}
-
-int
-fetch_thread_info (mach_port_t task, gdb_thread_t *mthreads_out)
-{
- kern_return_t ret;
- thread_array_t th_table;
- int th_count;
- gdb_thread_t mthreads = NULL;
- int index;
-
- ret = task_threads (task, &th_table, &th_count);
- if (ret != KERN_SUCCESS)
- {
- warning ("Error getting inferior's thread list:%s",
- mach_error_string (ret));
- m3_kill_inferior ();
- return -1;
- }
-
- mthreads = (gdb_thread_t)
- obstack_alloc
- (cproc_obstack,
- th_count * sizeof (struct gdb_thread));
-
- for (index = 0; index < th_count; index++)
- {
- thread_t saved_thread = MACH_PORT_NULL;
- int mid;
-
- if (must_suspend_thread)
- setup_thread (th_table[index], 1);
-
- if (th_table[index] != current_thread)
- {
- saved_thread = current_thread;
-
- mid = switch_to_thread (th_table[index]);
- }
-
- mthreads[index].name = th_table[index];
- mthreads[index].cproc = NULL; /* map_cprocs_to_kernel_threads() */
- mthreads[index].in_emulator = FALSE;
- mthreads[index].slotid = index;
-
- mthreads[index].sp = read_register (SP_REGNUM);
- mthreads[index].fp = read_register (FP_REGNUM);
- mthreads[index].pc = read_pc ();
-
- if (MACH_PORT_VALID (saved_thread))
- mid = switch_to_thread (saved_thread);
-
- if (must_suspend_thread)
- setup_thread (th_table[index], 0);
- }
-
- consume_send_rights (th_table, th_count);
- ret = vm_deallocate (mach_task_self (), (vm_address_t) th_table,
- (th_count * sizeof (mach_port_t)));
- if (ret != KERN_SUCCESS)
- {
- warning ("Error trying to deallocate thread list : %s",
- mach_error_string (ret));
- }
-
- *mthreads_out = mthreads;
-
- return th_count;
-}
-
-
-/*
- * Current emulator always saves the USP on top of
- * emulator stack below struct emul_stack_top stuff.
- */
-CORE_ADDR
-fetch_usp_from_emulator_stack (CORE_ADDR sp)
-{
- CORE_ADDR stack_pointer;
-
- sp = (sp & ~(EMULATOR_STACK_SIZE - 1)) +
- EMULATOR_STACK_SIZE - sizeof (struct emul_stack_top);
-
- if (mach3_read_inferior (sp,
- &stack_pointer,
- sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
- {
- warning ("Can't read user sp from emulator stack address 0x%x", sp);
- return 0;
- }
-
- return stack_pointer;
-}
-
-#ifdef MK67
-
-/* get_emulation_vector() interface was changed after mk67 */
-#define EMUL_VECTOR_COUNT 400 /* Value does not matter too much */
-
-#endif /* MK67 */
-
-/* Check if the emulator exists at task's address space.
- */
-boolean_t
-have_emulator_p (task_t task)
-{
- kern_return_t ret;
-#ifndef EMUL_VECTOR_COUNT
- vm_offset_t *emulation_vector;
- int n;
-#else
- vm_offset_t emulation_vector[EMUL_VECTOR_COUNT];
- int n = EMUL_VECTOR_COUNT;
-#endif
- int i;
- int vector_start;
-
- ret = task_get_emulation_vector (task,
- &vector_start,
-#ifndef EMUL_VECTOR_COUNT
- &emulation_vector,
-#else
- emulation_vector,
-#endif
- &n);
- CHK ("task_get_emulation_vector", ret);
- xx_debug ("%d vectors from %d at 0x%08x\n",
- n, vector_start, emulation_vector);
-
- for (i = 0; i < n; i++)
- {
- vm_offset_t entry = emulation_vector[i];
-
- if (EMULATOR_BASE <= entry && entry <= EMULATOR_END)
- return TRUE;
- else if (entry)
- {
- static boolean_t informed = FALSE;
- if (!informed)
- {
- warning ("Emulation vector address 0x08%x outside emulator space",
- entry);
- informed = TRUE;
- }
- }
- }
- return FALSE;
-}
-
-/* Map cprocs to kernel threads and vice versa. */
-
-void
-map_cprocs_to_kernel_threads (gdb_thread_t cprocs, gdb_thread_t mthreads,
- int thread_count)
-{
- int index;
- gdb_thread_t scan;
- boolean_t all_mapped = TRUE;
- LONGEST stack_base;
- LONGEST stack_size;
-
- for (scan = cprocs; scan; scan = scan->next)
- {
- /* Default to: no kernel thread for this cproc */
- scan->reverse_map = -1;
-
- /* Check if the cproc is found by its stack */
- for (index = 0; index < thread_count; index++)
- {
- stack_base =
- extract_signed_integer (scan->raw_cproc + CPROC_BASE_OFFSET,
- CPROC_BASE_SIZE);
- stack_size =
- extract_signed_integer (scan->raw_cproc + CPROC_SIZE_OFFSET,
- CPROC_SIZE_SIZE);
- if ((mthreads + index)->sp > stack_base &&
- (mthreads + index)->sp <= stack_base + stack_size)
- {
- (mthreads + index)->cproc = scan;
- scan->reverse_map = index;
- break;
- }
- }
- all_mapped &= (scan->reverse_map != -1);
- }
-
- /* Check for threads that are currently in the emulator.
- * If so, they have a different stack, and the still unmapped
- * cprocs may well get mapped to these threads.
- *
- * If:
- * - cproc stack does not match any kernel thread stack pointer
- * - there is at least one extra kernel thread
- * that has no cproc mapped above.
- * - some kernel thread stack pointer points to emulator space
- * then we find the user stack pointer saved in the emulator
- * stack, and try to map that to the cprocs.
- *
- * Also set in_emulator for kernel threads.
- */
-
- if (emulator_present)
- {
- for (index = 0; index < thread_count; index++)
- {
- CORE_ADDR emul_sp;
- CORE_ADDR usp;
-
- gdb_thread_t mthread = (mthreads + index);
- emul_sp = mthread->sp;
-
- if (mthread->cproc == NULL &&
- EMULATOR_BASE <= emul_sp && emul_sp <= EMULATOR_END)
- {
- mthread->in_emulator = emulator_present;
-
- if (!all_mapped && cprocs)
- {
- usp = fetch_usp_from_emulator_stack (emul_sp);
-
- /* @@ Could be more accurate */
- if (!usp)
- error ("Zero stack pointer read from emulator?");
-
- /* Try to match this stack pointer to the cprocs that
- * don't yet have a kernel thread.
- */
- for (scan = cprocs; scan; scan = scan->next)
- {
-
- /* Check is this unmapped CPROC stack contains
- * the user stack pointer saved in the
- * emulator.
- */
- if (scan->reverse_map == -1)
- {
- stack_base =
- extract_signed_integer
- (scan->raw_cproc + CPROC_BASE_OFFSET,
- CPROC_BASE_SIZE);
- stack_size =
- extract_signed_integer
- (scan->raw_cproc + CPROC_SIZE_OFFSET,
- CPROC_SIZE_SIZE);
- if (usp > stack_base &&
- usp <= stack_base + stack_size)
- {
- mthread->cproc = scan;
- scan->reverse_map = index;
- break;
- }
- }
- }
- }
- }
- }
- }
-}
-\f
-/*
- * Format of the thread_list command
- *
- * slot mid sel name emul ks susp cstate wired address
- */
-#define TL_FORMAT "%-2.2s %5d%c %-10.10s %1.1s%s%-5.5s %-2.2s %-5.5s "
-
-#define TL_HEADER "\n@ MID Name KState CState Where\n"
-
-void
-print_tl_address (struct ui_file *stream, CORE_ADDR pc)
-{
- if (!lookup_minimal_symbol_by_pc (pc))
- fprintf_filtered (stream, local_hex_format (), pc);
- else
- {
- extern int addressprint;
- extern int asm_demangle;
-
- int store = addressprint;
- addressprint = 0;
- print_address_symbolic (pc, stream, asm_demangle, "");
- addressprint = store;
- }
-}
-\f
-/* For thread names, but also for gdb_message_port external name */
-#define MAX_NAME_LEN 50
-
-/* Returns the address of variable NAME or 0 if not found */
-CORE_ADDR
-lookup_address_of_variable (char *name)
-{
- struct symbol *sym;
- CORE_ADDR symaddr = 0;
- struct minimal_symbol *msymbol;
-
- sym = lookup_symbol (name,
- (struct block *) NULL,
- VAR_NAMESPACE,
- (int *) NULL,
- (struct symtab **) NULL);
-
- if (sym)
- symaddr = SYMBOL_VALUE (sym);
-
- if (!symaddr)
- {
- msymbol = lookup_minimal_symbol (name, NULL, NULL);
-
- if (msymbol && msymbol->type == mst_data)
- symaddr = SYMBOL_VALUE_ADDRESS (msymbol);
- }
-
- return symaddr;
-}
-
-static gdb_thread_t
-get_cprocs (void)
-{
- gdb_thread_t cproc_head;
- gdb_thread_t cproc_copy;
- CORE_ADDR their_cprocs;
- char *buf;
- char *name;
- cthread_t cthread;
- CORE_ADDR symaddr;
-
- buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
- symaddr = lookup_address_of_variable ("cproc_list");
-
- if (!symaddr)
- {
- /* cproc_list is not in a file compiled with debugging
- symbols, but don't give up yet */
-
- symaddr = lookup_address_of_variable ("cprocs");
-
- if (symaddr)
- {
- static int informed = 0;
- if (!informed)
- {
- informed++;
- warning ("Your program is loaded with an old threads library.");
- warning ("GDB does not know the old form of threads");
- warning ("so things may not work.");
- }
- }
- }
-
- /* Stripped or no -lthreads loaded or "cproc_list" is in wrong segment. */
- if (!symaddr)
- return NULL;
-
- /* Get the address of the first cproc in the task */
- if (!mach3_read_inferior (symaddr,
- buf,
- TARGET_PTR_BIT / HOST_CHAR_BIT))
- error ("Can't read cproc master list at address (0x%x).", symaddr);
- their_cprocs = extract_address (buf, TARGET_PTR_BIT / HOST_CHAR_BIT);
-
- /* Scan the CPROCs in the task.
- CPROCs are chained with LIST field, not NEXT field, which
- chains mutexes, condition variables and queues */
-
- cproc_head = NULL;
-
- while (their_cprocs != (CORE_ADDR) 0)
- {
- CORE_ADDR cproc_copy_incarnation;
- cproc_copy = (gdb_thread_t) obstack_alloc (cproc_obstack,
- sizeof (struct gdb_thread));
-
- if (!mach3_read_inferior (their_cprocs,
- &cproc_copy->raw_cproc[0],
- CPROC_SIZE))
- error ("Can't read next cproc at 0x%x.", their_cprocs);
-
- their_cprocs =
- extract_address (cproc_copy->raw_cproc + CPROC_LIST_OFFSET,
- CPROC_LIST_SIZE);
- cproc_copy_incarnation =
- extract_address (cproc_copy->raw_cproc + CPROC_INCARNATION_OFFSET,
- CPROC_INCARNATION_SIZE);
-
- if (cproc_copy_incarnation == (CORE_ADDR) 0)
- cproc_copy->cthread = NULL;
- else
- {
- /* This CPROC has an attached CTHREAD. Get its name */
- cthread = (cthread_t) obstack_alloc (cproc_obstack,
- sizeof (struct cthread));
-
- if (!mach3_read_inferior (cproc_copy_incarnation,
- cthread,
- sizeof (struct cthread)))
- error ("Can't read next thread at 0x%x.",
- cproc_copy_incarnation);
-
- cproc_copy->cthread = cthread;
-
- if (cthread->name)
- {
- name = (char *) obstack_alloc (cproc_obstack, MAX_NAME_LEN);
-
- if (!mach3_read_inferior (cthread->name, name, MAX_NAME_LEN))
- error ("Can't read next thread's name at 0x%x.", cthread->name);
-
- cthread->name = name;
- }
- }
-
- /* insert in front */
- cproc_copy->next = cproc_head;
- cproc_head = cproc_copy;
- }
- return cproc_head;
-}
-
-#ifndef FETCH_CPROC_STATE
-/*
- * Check if your machine does not grok the way this routine
- * fetches the FP,PC and SP of a cproc that is not
- * currently attached to any kernel thread (e.g. its cproc.context
- * field points to the place in stack where the context
- * is saved).
- *
- * If it doesn't, define your own routine.
- */
-#define FETCH_CPROC_STATE(mth) mach3_cproc_state (mth)
-
-int
-mach3_cproc_state (gdb_thread_t mthread)
-{
- int context;
-
- if (!mthread || !mthread->cproc)
- return -1;
-
- context = extract_signed_integer
- (mthread->cproc->raw_cproc + CPROC_CONTEXT_OFFSET,
- CPROC_CONTEXT_SIZE);
- if (context == 0)
- return -1;
-
- mthread->sp = context + MACHINE_CPROC_SP_OFFSET;
-
- if (mach3_read_inferior (context + MACHINE_CPROC_PC_OFFSET,
- &mthread->pc,
- sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
- {
- warning ("Can't read cproc pc from inferior");
- return -1;
- }
-
- if (mach3_read_inferior (context + MACHINE_CPROC_FP_OFFSET,
- &mthread->fp,
- sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
- {
- warning ("Can't read cproc fp from inferior");
- return -1;
- }
-
- return 0;
-}
-#endif /* FETCH_CPROC_STATE */
-\f
-
-void
-thread_list_command (void)
-{
- thread_basic_info_data_t ths;
- int thread_count;
- gdb_thread_t cprocs;
- gdb_thread_t scan;
- int index;
- char *name;
- char selected;
- char *wired;
- int infoCnt;
- kern_return_t ret;
- mach_port_t mid_or_port;
- gdb_thread_t their_threads;
- gdb_thread_t kthread;
-
- int neworder = 1;
-
- char *fmt = "There are %d kernel threads in task %d.\n";
-
- int tmid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
-
- MACH_ERROR_NO_INFERIOR;
-
- thread_count = fetch_thread_info (inferior_task,
- &their_threads);
- if (thread_count == -1)
- return;
-
- if (thread_count == 1)
- fmt = "There is %d kernel thread in task %d.\n";
-
- printf_filtered (fmt, thread_count, tmid);
-
- puts_filtered (TL_HEADER);
-
- cprocs = get_cprocs ();
-
- map_cprocs_to_kernel_threads (cprocs, their_threads, thread_count);
-
- for (scan = cprocs; scan; scan = scan->next)
- {
- int mid;
- char buf[10];
- char slot[3];
- int cproc_state =
- extract_signed_integer
- (scan->raw_cproc + CPROC_STATE_OFFSET, CPROC_STATE_SIZE);
-
- selected = ' ';
-
- /* a wired cproc? */
- wired = (extract_address (scan->raw_cproc + CPROC_WIRED_OFFSET,
- CPROC_WIRED_SIZE)
- ? "wired" : "");
-
- if (scan->reverse_map != -1)
- kthread = (their_threads + scan->reverse_map);
- else
- kthread = NULL;
-
- if (kthread)
- {
- /* These cprocs have a kernel thread */
-
- mid = map_port_name_to_mid (kthread->name, MACH_TYPE_THREAD);
-
- infoCnt = THREAD_BASIC_INFO_COUNT;
-
- ret = thread_info (kthread->name,
- THREAD_BASIC_INFO,
- (thread_info_t) & ths,
- &infoCnt);
-
- if (ret != KERN_SUCCESS)
- {
- warning ("Unable to get basic info on thread %d : %s",
- mid,
- mach_error_string (ret));
- continue;
- }
-
- /* Who is the first to have more than 100 threads */
- sprintf (slot, "%d", kthread->slotid % 100);
-
- if (kthread->name == current_thread)
- selected = '*';
-
- if (ths.suspend_count)
- sprintf (buf, "%d", ths.suspend_count);
- else
- buf[0] = '\000';
-
-#if 0
- if (ths.flags & TH_FLAGS_SWAPPED)
- strcat (buf, "S");
-#endif
-
- if (ths.flags & TH_FLAGS_IDLE)
- strcat (buf, "I");
-
- printf_filtered (TL_FORMAT,
- slot,
- mid,
- selected,
- get_thread_name (scan, kthread->slotid),
- kthread->in_emulator ? "E" : "",
- translate_state (ths.run_state),
- buf,
- translate_cstate (cproc_state),
- wired);
- print_tl_address (gdb_stdout, kthread->pc);
- }
- else
- {
- /* These cprocs don't have a kernel thread.
- * find out the calling frame with
- * FETCH_CPROC_STATE.
- */
-
- struct gdb_thread state;
-
-#if 0
- /* jtv -> emcmanus: why do you want this here? */
- if (scan->incarnation == NULL)
- continue; /* EMcM */
-#endif
-
- printf_filtered (TL_FORMAT,
- "-",
- -neworder, /* Pseudo MID */
- selected,
- get_thread_name (scan, -neworder),
- "",
- "-", /* kernel state */
- "",
- translate_cstate (cproc_state),
- "");
- state.cproc = scan;
-
- if (FETCH_CPROC_STATE (&state) == -1)
- puts_filtered ("???");
- else
- print_tl_address (gdb_stdout, state.pc);
-
- neworder++;
- }
- puts_filtered ("\n");
- }
-
- /* Scan for kernel threads without cprocs */
- for (index = 0; index < thread_count; index++)
- {
- if (!their_threads[index].cproc)
- {
- int mid;
-
- char buf[10];
- char slot[3];
-
- mach_port_t name = their_threads[index].name;
-
- mid = map_port_name_to_mid (name, MACH_TYPE_THREAD);
-
- infoCnt = THREAD_BASIC_INFO_COUNT;
-
- ret = thread_info (name,
- THREAD_BASIC_INFO,
- (thread_info_t) & ths,
- &infoCnt);
-
- if (ret != KERN_SUCCESS)
- {
- warning ("Unable to get basic info on thread %d : %s",
- mid,
- mach_error_string (ret));
- continue;
- }
-
- sprintf (slot, "%d", index % 100);
-
- if (name == current_thread)
- selected = '*';
- else
- selected = ' ';
-
- if (ths.suspend_count)
- sprintf (buf, "%d", ths.suspend_count);
- else
- buf[0] = '\000';
-
-#if 0
- if (ths.flags & TH_FLAGS_SWAPPED)
- strcat (buf, "S");
-#endif
-
- if (ths.flags & TH_FLAGS_IDLE)
- strcat (buf, "I");
-
- printf_filtered (TL_FORMAT,
- slot,
- mid,
- selected,
- get_thread_name (NULL, index),
- their_threads[index].in_emulator ? "E" : "",
- translate_state (ths.run_state),
- buf,
- "", /* No cproc state */
- ""); /* Can't be wired */
- print_tl_address (gdb_stdout, their_threads[index].pc);
- puts_filtered ("\n");
- }
- }
-
- obstack_free (cproc_obstack, 0);
- obstack_init (cproc_obstack);
-}
-\f
-void
-thread_select_command (char *args, int from_tty)
-{
- int mid;
- thread_array_t thread_list;
- int thread_count;
- kern_return_t ret;
- int is_slot = 0;
-
- MACH_ERROR_NO_INFERIOR;
-
- if (!args)
- error_no_arg ("MID or @SLOTNUMBER to specify a thread to select");
-
- while (*args == ' ' || *args == '\t')
- args++;
-
- if (*args == '@')
- {
- is_slot++;
- args++;
- }
-
- mid = atoi (args);
-
- if (mid == 0)
- if (!is_slot || *args != '0') /* Rudimentary checks */
- error ("You must select threads by MID or @SLOTNUMBER");
-
- if (select_thread (inferior_task, mid, is_slot ? 2 : 1) != KERN_SUCCESS)
- return;
-
- if (from_tty)
- printf_filtered ("Thread %d selected\n",
- is_slot ? map_port_name_to_mid (current_thread,
- MACH_TYPE_THREAD) : mid);
-}
-\f
-thread_trace (mach_port_t thread, boolean_t set)
-{
- int flavor = TRACE_FLAVOR;
- unsigned int stateCnt = TRACE_FLAVOR_SIZE;
- kern_return_t ret;
- thread_state_data_t state;
-
- if (!MACH_PORT_VALID (thread))
- {
- warning ("thread_trace: invalid thread");
- return;
- }
-
- if (must_suspend_thread)
- setup_thread (thread, 1);
-
- ret = thread_get_state (thread, flavor, state, &stateCnt);
- CHK ("thread_trace: error reading thread state", ret);
-
- if (set)
- {
- TRACE_SET (thread, state);
- }
- else
- {
- if (!TRACE_CLEAR (thread, state))
- {
- if (must_suspend_thread)
- setup_thread (thread, 0);
- return;
- }
- }
-
- ret = thread_set_state (thread, flavor, state, stateCnt);
- CHK ("thread_trace: error writing thread state", ret);
- if (must_suspend_thread)
- setup_thread (thread, 0);
-}
-
-#ifdef FLUSH_INFERIOR_CACHE
-
-/* When over-writing code on some machines the I-Cache must be flushed
- explicitly, because it is not kept coherent by the lazy hardware.
- This definitely includes breakpoints, for instance, or else we
- end up looping in mysterious Bpt traps */
-
-flush_inferior_icache (CORE_ADDR pc, int amount)
-{
- vm_machine_attribute_val_t flush = MATTR_VAL_ICACHE_FLUSH;
- kern_return_t ret;
-
- ret = vm_machine_attribute (inferior_task,
- pc,
- amount,
- MATTR_CACHE,
- &flush);
- if (ret != KERN_SUCCESS)
- warning ("Error flushing inferior's cache : %s",
- mach_error_string (ret));
-}
-#endif /* FLUSH_INFERIOR_CACHE */
-\f
-
-static
-suspend_all_threads (int from_tty)
-{
- kern_return_t ret;
- thread_array_t thread_list;
- int thread_count, index;
- int infoCnt;
- thread_basic_info_data_t th_info;
-
-
- ret = task_threads (inferior_task, &thread_list, &thread_count);
- if (ret != KERN_SUCCESS)
- {
- warning ("Could not suspend inferior threads.");
- m3_kill_inferior ();
- throw_exception (RETURN_ERROR);
- }
-
- for (index = 0; index < thread_count; index++)
- {
- int mid;
-
- mid = map_port_name_to_mid (thread_list[index],
- MACH_TYPE_THREAD);
-
- ret = thread_suspend (thread_list[index]);
-
- if (ret != KERN_SUCCESS)
- warning ("Error trying to suspend thread %d : %s",
- mid, mach_error_string (ret));
-
- if (from_tty)
- {
- infoCnt = THREAD_BASIC_INFO_COUNT;
- ret = thread_info (thread_list[index],
- THREAD_BASIC_INFO,
- (thread_info_t) & th_info,
- &infoCnt);
- CHK ("suspend can't get thread info", ret);
-
- warning ("Thread %d suspend count is %d",
- mid, th_info.suspend_count);
- }
- }
-
- consume_send_rights (thread_list, thread_count);
- ret = vm_deallocate (mach_task_self (),
- (vm_address_t) thread_list,
- (thread_count * sizeof (int)));
- CHK ("Error trying to deallocate thread list", ret);
-}
-
-void
-thread_suspend_command (char *args, int from_tty)
-{
- kern_return_t ret;
- int mid;
- mach_port_t saved_thread;
- int infoCnt;
- thread_basic_info_data_t th_info;
-
- MACH_ERROR_NO_INFERIOR;
-
- if (!strcasecmp (args, "all"))
- {
- suspend_all_threads (from_tty);
- return;
- }
-
- saved_thread = current_thread;
-
- mid = parse_thread_id (args, 0, 0);
-
- if (mid < 0)
- error ("You can suspend only existing kernel threads with MID or @SLOTNUMBER");
-
- if (mid == 0)
- mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
- else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
- {
- if (current_thread)
- current_thread = saved_thread;
- error ("Could not select thread %d", mid);
- }
-
- ret = thread_suspend (current_thread);
- if (ret != KERN_SUCCESS)
- warning ("thread_suspend failed : %s",
- mach_error_string (ret));
-
- infoCnt = THREAD_BASIC_INFO_COUNT;
- ret = thread_info (current_thread,
- THREAD_BASIC_INFO,
- (thread_info_t) & th_info,
- &infoCnt);
- CHK ("suspend can't get thread info", ret);
-
- warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
-
- current_thread = saved_thread;
-}
-
-resume_all_threads (int from_tty)
-{
- kern_return_t ret;
- thread_array_t thread_list;
- int thread_count, index;
- int mid;
- int infoCnt;
- thread_basic_info_data_t th_info;
-
- ret = task_threads (inferior_task, &thread_list, &thread_count);
- if (ret != KERN_SUCCESS)
- {
- m3_kill_inferior ();
- error ("task_threads", mach_error_string (ret));
- }
-
- for (index = 0; index < thread_count; index++)
- {
- infoCnt = THREAD_BASIC_INFO_COUNT;
- ret = thread_info (thread_list[index],
- THREAD_BASIC_INFO,
- (thread_info_t) & th_info,
- &infoCnt);
- CHK ("resume_all can't get thread info", ret);
-
- mid = map_port_name_to_mid (thread_list[index],
- MACH_TYPE_THREAD);
-
- if (!th_info.suspend_count)
- {
- if (mid != -1 && from_tty)
- warning ("Thread %d is not suspended", mid);
- continue;
- }
-
- ret = thread_resume (thread_list[index]);
-
- if (ret != KERN_SUCCESS)
- warning ("Error trying to resume thread %d : %s",
- mid, mach_error_string (ret));
- else if (mid != -1 && from_tty)
- warning ("Thread %d suspend count is %d",
- mid, --th_info.suspend_count);
- }
-
- consume_send_rights (thread_list, thread_count);
- ret = vm_deallocate (mach_task_self (),
- (vm_address_t) thread_list,
- (thread_count * sizeof (int)));
- CHK ("Error trying to deallocate thread list", ret);
-}
-
-void
-thread_resume_command (char *args, int from_tty)
-{
- int mid;
- mach_port_t saved_thread;
- kern_return_t ret;
- thread_basic_info_data_t th_info;
- int infoCnt = THREAD_BASIC_INFO_COUNT;
-
- MACH_ERROR_NO_INFERIOR;
-
- if (!strcasecmp (args, "all"))
- {
- resume_all_threads (from_tty);
- return;
- }
-
- saved_thread = current_thread;
-
- mid = parse_thread_id (args, 0, 0);
-
- if (mid < 0)
- error ("You can resume only existing kernel threads with MID or @SLOTNUMBER");
-
- if (mid == 0)
- mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
- else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
- {
- if (current_thread)
- current_thread = saved_thread;
- throw_exception (RETURN_ERROR);
- }
-
- ret = thread_info (current_thread,
- THREAD_BASIC_INFO,
- (thread_info_t) & th_info,
- &infoCnt);
- CHK ("resume can't get thread info", ret);
-
- if (!th_info.suspend_count)
- {
- warning ("Thread %d is not suspended", mid);
- goto out;
- }
-
- ret = thread_resume (current_thread);
- if (ret != KERN_SUCCESS)
- warning ("thread_resume failed : %s",
- mach_error_string (ret));
- else
- {
- th_info.suspend_count--;
- warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
- }
-
-out:
- current_thread = saved_thread;
-}
-
-void
-thread_kill_command (char *args, int from_tty)
-{
- int mid;
- kern_return_t ret;
- int thread_count;
- thread_array_t thread_table;
- int index;
- mach_port_t thread_to_kill = MACH_PORT_NULL;
-
-
- MACH_ERROR_NO_INFERIOR;
-
- if (!args)
- error_no_arg ("thread mid to kill from the inferior task");
-
- mid = parse_thread_id (args, 0, 0);
-
- if (mid < 0)
- error ("You can kill only existing kernel threads with MID or @SLOTNUMBER");
-
- if (mid)
- {
- ret = machid_mach_port (mid_server, mid_auth, mid, &thread_to_kill);
- CHK ("thread_kill_command: machid_mach_port map failed", ret);
- }
- else
- mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
-
- /* Don't allow gdb to kill *any* thread in the system. Use mkill program for that */
- ret = task_threads (inferior_task, &thread_table, &thread_count);
- CHK ("Error getting inferior's thread list", ret);
-
- if (thread_to_kill == current_thread)
- {
- ret = thread_terminate (thread_to_kill);
- CHK ("Thread could not be terminated", ret);
-
- if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
- warning ("Last thread was killed, use \"kill\" command to kill task");
- }
- else
- for (index = 0; index < thread_count; index++)
- if (thread_table[index] == thread_to_kill)
- {
- ret = thread_terminate (thread_to_kill);
- CHK ("Thread could not be terminated", ret);
- }
-
- if (thread_count > 1)
- consume_send_rights (thread_table, thread_count);
-
- ret = vm_deallocate (mach_task_self (), (vm_address_t) thread_table,
- (thread_count * sizeof (mach_port_t)));
- CHK ("Error trying to deallocate thread list", ret);
-
- warning ("Thread %d killed", mid);
-}
-\f
-
-/* Task specific commands; add more if you like */
-
-void
-task_resume_command (char *args, int from_tty)
-{
- kern_return_t ret;
- task_basic_info_data_t ta_info;
- int infoCnt = TASK_BASIC_INFO_COUNT;
- int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
-
- MACH_ERROR_NO_INFERIOR;
-
- /* Would be trivial to change, but is it desirable? */
- if (args)
- error ("Currently gdb can resume only it's inferior task");
-
- ret = task_info (inferior_task,
- TASK_BASIC_INFO,
- (task_info_t) & ta_info,
- &infoCnt);
- CHK ("task_resume_command: task_info failed", ret);
-
- if (ta_info.suspend_count == 0)
- error ("Inferior task %d is not suspended", mid);
- else if (ta_info.suspend_count == 1 &&
- from_tty &&
- !query ("Suspend count is now 1. Do you know what you are doing? "))
- error ("Task not resumed");
-
- ret = task_resume (inferior_task);
- CHK ("task_resume_command: task_resume", ret);
-
- if (ta_info.suspend_count == 1)
- {
- warning ("Inferior task %d is no longer suspended", mid);
- must_suspend_thread = 1;
- /* @@ This is not complete: Registers change all the time when not
- suspended! */
- registers_changed ();
- }
- else
- warning ("Inferior task %d suspend count is now %d",
- mid, ta_info.suspend_count - 1);
-}
-
-
-void
-task_suspend_command (char *args, int from_tty)
-{
- kern_return_t ret;
- task_basic_info_data_t ta_info;
- int infoCnt = TASK_BASIC_INFO_COUNT;
- int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
-
- MACH_ERROR_NO_INFERIOR;
-
- /* Would be trivial to change, but is it desirable? */
- if (args)
- error ("Currently gdb can suspend only it's inferior task");
-
- ret = task_suspend (inferior_task);
- CHK ("task_suspend_command: task_suspend", ret);
-
- must_suspend_thread = 0;
-
- ret = task_info (inferior_task,
- TASK_BASIC_INFO,
- (task_info_t) & ta_info,
- &infoCnt);
- CHK ("task_suspend_command: task_info failed", ret);
-
- warning ("Inferior task %d suspend count is now %d",
- mid, ta_info.suspend_count);
-}
-
-static char *
-get_size (int bytes)
-{
- static char size[30];
- int zz = bytes / 1024;
-
- if (zz / 1024)
- sprintf (size, "%-2.1f M", ((float) bytes) / (1024.0 * 1024.0));
- else
- sprintf (size, "%d K", zz);
-
- return size;
-}
-
-/* Does this require the target task to be suspended?? I don't think so. */
-void
-task_info_command (char *args, int from_tty)
-{
- int mid = -5;
- mach_port_t task;
- kern_return_t ret;
- task_basic_info_data_t ta_info;
- int infoCnt = TASK_BASIC_INFO_COUNT;
- int page_size = round_page (1);
- int thread_count = 0;
-
- if (MACH_PORT_VALID (inferior_task))
- mid = map_port_name_to_mid (inferior_task,
- MACH_TYPE_TASK);
-
- task = inferior_task;
-
- if (args)
- {
- int tmid = atoi (args);
-
- if (tmid <= 0)
- error ("Invalid mid %d for task info", tmid);
-
- if (tmid != mid)
- {
- mid = tmid;
- ret = machid_mach_port (mid_server, mid_auth, tmid, &task);
- CHK ("task_info_command: machid_mach_port map failed", ret);
- }
- }
-
- if (mid < 0)
- error ("You have to give the task MID as an argument");
-
- ret = task_info (task,
- TASK_BASIC_INFO,
- (task_info_t) & ta_info,
- &infoCnt);
- CHK ("task_info_command: task_info failed", ret);
-
- printf_filtered ("\nTask info for task %d:\n\n", mid);
- printf_filtered (" Suspend count : %d\n", ta_info.suspend_count);
- printf_filtered (" Base priority : %d\n", ta_info.base_priority);
- printf_filtered (" Virtual size : %s\n", get_size (ta_info.virtual_size));
- printf_filtered (" Resident size : %s\n", get_size (ta_info.resident_size));
-
- {
- thread_array_t thread_list;
-
- ret = task_threads (task, &thread_list, &thread_count);
- CHK ("task_info_command: task_threads", ret);
-
- printf_filtered (" Thread count : %d\n", thread_count);
-
- consume_send_rights (thread_list, thread_count);
- ret = vm_deallocate (mach_task_self (),
- (vm_address_t) thread_list,
- (thread_count * sizeof (int)));
- CHK ("Error trying to deallocate thread list", ret);
- }
- if (have_emulator_p (task))
- printf_filtered (" Emulator at : 0x%x..0x%x\n",
- EMULATOR_BASE, EMULATOR_END);
- else
- printf_filtered (" No emulator.\n");
-
- if (thread_count && task == inferior_task)
- printf_filtered ("\nUse the \"thread list\" command to see the threads\n");
-}
-\f
-/* You may either FORWARD the exception to the inferior, or KEEP
- * it and return to GDB command level.
- *
- * exception mid [ forward | keep ]
- */
-
-static void
-exception_command (char *args, int from_tty)
-{
- char *scan = args;
- int exception;
- int len;
-
- if (!args)
- error_no_arg ("exception number action");
-
- while (*scan == ' ' || *scan == '\t')
- scan++;
-
- if ('0' <= *scan && *scan <= '9')
- while ('0' <= *scan && *scan <= '9')
- scan++;
- else
- error ("exception number action");
-
- exception = atoi (args);
- if (exception <= 0 || exception > MAX_EXCEPTION)
- error ("Allowed exception numbers are in range 1..%d",
- MAX_EXCEPTION);
-
- if (*scan != ' ' && *scan != '\t')
- error ("exception number must be followed by a space");
- else
- while (*scan == ' ' || *scan == '\t')
- scan++;
-
- args = scan;
- len = 0;
- while (*scan)
- {
- len++;
- scan++;
- }
-
- if (!len)
- error ("exception number action");
-
- if (!strncasecmp (args, "forward", len))
- exception_map[exception].forward = TRUE;
- else if (!strncasecmp (args, "keep", len))
- exception_map[exception].forward = FALSE;
- else
- error ("exception action is either \"keep\" or \"forward\"");
-}
-
-static void
-print_exception_info (int exception)
-{
- boolean_t forward = exception_map[exception].forward;
-
- printf_filtered ("%s\t(%d): ", exception_map[exception].name,
- exception);
- if (!forward)
- if (exception_map[exception].sigmap != SIG_UNKNOWN)
- printf_filtered ("keep and handle as signal %d\n",
- exception_map[exception].sigmap);
- else
- printf_filtered ("keep and handle as unknown signal %d\n",
- exception_map[exception].sigmap);
- else
- printf_filtered ("forward exception to inferior\n");
-}
-
-void
-exception_info (char *args, int from_tty)
-{
- int exception;
-
- if (!args)
- for (exception = 1; exception <= MAX_EXCEPTION; exception++)
- print_exception_info (exception);
- else
- {
- exception = atoi (args);
-
- if (exception <= 0 || exception > MAX_EXCEPTION)
- error ("Invalid exception number, values from 1 to %d allowed",
- MAX_EXCEPTION);
- print_exception_info (exception);
- }
-}
-\f
-/* Check for actions for mach exceptions.
- */
-mach3_exception_actions (WAITTYPE *w, boolean_t force_print_only, char *who)
-{
- boolean_t force_print = FALSE;
-
-
- if (force_print_only ||
- exception_map[stop_exception].sigmap == SIG_UNKNOWN)
- force_print = TRUE;
- else
- WSETSTOP (*w, exception_map[stop_exception].sigmap);
-
- if (exception_map[stop_exception].print || force_print)
- {
- target_terminal_ours ();
-
- printf_filtered ("\n%s received %s exception : ",
- who,
- exception_map[stop_exception].name);
-
- wrap_here (" ");
-
- switch (stop_exception)
- {
- case EXC_BAD_ACCESS:
- printf_filtered ("referencing address 0x%x : %s\n",
- stop_subcode,
- mach_error_string (stop_code));
- break;
- case EXC_BAD_INSTRUCTION:
- printf_filtered
- ("illegal or undefined instruction. code %d subcode %d\n",
- stop_code, stop_subcode);
- break;
- case EXC_ARITHMETIC:
- printf_filtered ("code %d\n", stop_code);
- break;
- case EXC_EMULATION:
- printf_filtered ("code %d subcode %d\n", stop_code, stop_subcode);
- break;
- case EXC_SOFTWARE:
- printf_filtered ("%s specific, code 0x%x\n",
- stop_code < 0xffff ? "hardware" : "os emulation",
- stop_code);
- break;
- case EXC_BREAKPOINT:
- printf_filtered ("type %d (machine dependent)\n",
- stop_code);
- break;
- default:
- internal_error (__FILE__, __LINE__,
- "Unknown exception");
- }
- }
-}
-\f
-setup_notify_port (int create_new)
-{
- kern_return_t ret;
-
- if (MACH_PORT_VALID (our_notify_port))
- {
- ret = mach_port_destroy (mach_task_self (), our_notify_port);
- CHK ("Could not destroy our_notify_port", ret);
- }
-
- our_notify_port = MACH_PORT_NULL;
- notify_chain = (port_chain_t) NULL;
- port_chain_destroy (port_chain_obstack);
-
- if (create_new)
- {
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &our_notify_port);
- if (ret != KERN_SUCCESS)
- internal_error (__FILE__, __LINE__,
- "Creating notify port %s", mach_error_string (ret));
-
- ret = mach_port_move_member (mach_task_self (),
- our_notify_port,
- inferior_wait_port_set);
- if (ret != KERN_SUCCESS)
- internal_error (__FILE__, __LINE__,
- "initial move member %s", mach_error_string (ret));
- }
-}
-
-/*
- * Register our message port to the net name server
- *
- * Currently used only by the external stop-gdb program
- * since ^C does not work if you would like to enter
- * gdb command level while debugging your program.
- *
- * NOTE: If the message port is sometimes used for other
- * purposes also, the NAME must not be a guessable one.
- * Then, there should be a way to change it.
- */
-
-char registered_name[MAX_NAME_LEN];
-
-void
-message_port_info (char *args, int from_tty)
-{
- if (registered_name[0])
- printf_filtered ("gdb's message port name: '%s'\n",
- registered_name);
- else
- printf_filtered ("gdb's message port is not currently registered\n");
-}
-
-void
-gdb_register_port (char *name, mach_port_t port)
-{
- kern_return_t ret;
- static int already_signed = 0;
- int len;
-
- if (!MACH_PORT_VALID (port) || !name || !*name)
- {
- warning ("Invalid registration request");
- return;
- }
-
- if (!already_signed)
- {
- ret = mach_port_insert_right (mach_task_self (),
- our_message_port,
- our_message_port,
- MACH_MSG_TYPE_MAKE_SEND);
- CHK ("Failed to create a signature to our_message_port", ret);
- already_signed = 1;
- }
- else if (already_signed > 1)
- {
- ret = netname_check_out (name_server_port,
- registered_name,
- our_message_port);
- CHK ("Failed to check out gdb's message port", ret);
- registered_name[0] = '\000';
- already_signed = 1;
- }
-
- ret = netname_check_in (name_server_port, /* Name server port */
- name, /* Name of service */
- our_message_port, /* Signature */
- port); /* Creates a new send right */
- CHK ("Failed to check in the port", ret);
-
- len = 0;
- while (len < MAX_NAME_LEN && *(name + len))
- {
- registered_name[len] = *(name + len);
- len++;
- }
- registered_name[len] = '\000';
- already_signed = 2;
-}
-
-struct cmd_list_element *cmd_thread_list;
-struct cmd_list_element *cmd_task_list;
-
-/*ARGSUSED */
-static void
-thread_command (char *arg, int from_tty)
-{
- printf_unfiltered ("\"thread\" must be followed by the name of a thread command.\n");
- help_list (cmd_thread_list, "thread ", -1, gdb_stdout);
-}
-
-/*ARGSUSED */
-static void
-task_command (char *arg, int from_tty)
-{
- printf_unfiltered ("\"task\" must be followed by the name of a task command.\n");
- help_list (cmd_task_list, "task ", -1, gdb_stdout);
-}
-
-add_mach_specific_commands (void)
-{
- /* Thread handling commands */
-
- /* FIXME: Move our thread support into the generic thread.c stuff so we
- can share that code. */
- add_prefix_cmd ("mthread", class_stack, thread_command,
- "Generic command for handling Mach threads in the debugged task.",
- &cmd_thread_list, "thread ", 0, &cmdlist);
-
- add_com_alias ("th", "mthread", class_stack, 1);
-
- add_cmd ("select", class_stack, thread_select_command,
- "Select and print MID of the selected thread",
- &cmd_thread_list);
- add_cmd ("list", class_stack, thread_list_command,
- "List info of task's threads. Selected thread is marked with '*'",
- &cmd_thread_list);
- add_cmd ("suspend", class_run, thread_suspend_command,
- "Suspend one or all of the threads in the selected task.",
- &cmd_thread_list);
- add_cmd ("resume", class_run, thread_resume_command,
- "Resume one or all of the threads in the selected task.",
- &cmd_thread_list);
- add_cmd ("kill", class_run, thread_kill_command,
- "Kill the specified thread MID from inferior task.",
- &cmd_thread_list);
-#if 0
- /* The rest of this support (condition_thread) was not merged. It probably
- should not be merged in this form, but instead added to the generic GDB
- thread support. */
- add_cmd ("break", class_breakpoint, condition_thread,
- "Breakpoint N will only be effective for thread MID or @SLOT\n\
- If MID/@SLOT is omitted allow all threads to break at breakpoint",
- &cmd_thread_list);
-#endif
- /* Thread command shorthands (for backward compatibility) */
- add_alias_cmd ("ts", "mthread select", 0, 0, &cmdlist);
- add_alias_cmd ("tl", "mthread list", 0, 0, &cmdlist);
-
- /* task handling commands */
-
- add_prefix_cmd ("task", class_stack, task_command,
- "Generic command for handling debugged task.",
- &cmd_task_list, "task ", 0, &cmdlist);
-
- add_com_alias ("ta", "task", class_stack, 1);
-
- add_cmd ("suspend", class_run, task_suspend_command,
- "Suspend the inferior task.",
- &cmd_task_list);
- add_cmd ("resume", class_run, task_resume_command,
- "Resume the inferior task.",
- &cmd_task_list);
- add_cmd ("info", no_class, task_info_command,
- "Print information about the specified task.",
- &cmd_task_list);
-
- /* Print my message port name */
-
- add_info ("message-port", message_port_info,
- "Returns the name of gdb's message port in the netnameserver");
-
- /* Exception commands */
-
- add_info ("exceptions", exception_info,
- "What debugger does when program gets various exceptions.\n\
-Specify an exception number as argument to print info on that\n\
-exception only.");
-
- add_com ("exception", class_run, exception_command,
- "Specify how to handle an exception.\n\
-Args are exception number followed by \"forward\" or \"keep\".\n\
-`Forward' means forward the exception to the program's normal exception\n\
-handler.\n\
-`Keep' means reenter debugger if this exception happens, and GDB maps\n\
-the exception to some signal (see info exception)\n\
-Normally \"keep\" is used to return to GDB on exception.");
-}
-
-kern_return_t
-do_mach_notify_dead_name (mach_port_t notify, mach_port_t name)
-{
- kern_return_t kr = KERN_SUCCESS;
-
- /* Find the thing that notified */
- port_chain_t element = port_chain_member (notify_chain, name);
-
- /* Take name of from unreceived dead name notification list */
- notify_chain = port_chain_delete (notify_chain, name);
-
- if (!element)
- error ("Received a dead name notify from unchained port (0x%x)", name);
-
- switch (element->type)
- {
-
- case MACH_TYPE_THREAD:
- target_terminal_ours_for_output ();
- if (name == current_thread)
- {
- printf_filtered ("\nCurrent thread %d died", element->mid);
- current_thread = MACH_PORT_NULL;
- }
- else
- printf_filtered ("\nThread %d died", element->mid);
-
- break;
-
- case MACH_TYPE_TASK:
- target_terminal_ours_for_output ();
- if (name != inferior_task)
- printf_filtered ("Task %d died, but it was not the selected task",
- element->mid);
- else
- {
- printf_filtered ("Current task %d died", element->mid);
-
- mach_port_destroy (mach_task_self (), name);
- inferior_task = MACH_PORT_NULL;
-
- if (notify_chain)
- warning ("There were still unreceived dead_name_notifications???");
-
- /* Destroy the old notifications */
- setup_notify_port (0);
-
- }
- break;
-
- default:
- error ("Unregistered dead_name 0x%x notification received. Type is %d, mid is 0x%x",
- name, element->type, element->mid);
- break;
- }
-
- return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_msg_accepted (mach_port_t notify, mach_port_t name)
-{
- warning ("do_mach_notify_msg_accepted : notify %x, name %x",
- notify, name);
- return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_no_senders (mach_port_t notify, mach_port_mscount_t mscount)
-{
- warning ("do_mach_notify_no_senders : notify %x, mscount %x",
- notify, mscount);
- return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_port_deleted (mach_port_t notify, mach_port_t name)
-{
- warning ("do_mach_notify_port_deleted : notify %x, name %x",
- notify, name);
- return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t rights)
-{
- warning ("do_mach_notify_port_destroyed : notify %x, rights %x",
- notify, rights);
- return KERN_SUCCESS;
-}
-
-kern_return_t
-do_mach_notify_send_once (mach_port_t notify)
-{
-#ifdef DUMP_SYSCALL
- /* MANY of these are generated. */
- warning ("do_mach_notify_send_once : notify %x",
- notify);
-#endif
- return KERN_SUCCESS;
-}
-
-/* Kills the inferior. It's gone when you call this */
-static void
-kill_inferior_fast (void)
-{
- WAITTYPE w;
-
- if (PIDGET (inferior_ptid) == 0 || PIDGET (inferior_ptid) == 1)
- return;
-
- /* kill() it, since the Unix server does not otherwise notice when
- * killed with task_terminate().
- */
- if (PIDGET (inferior_ptid) > 0)
- kill (PIDGET (inferior_ptid), SIGKILL);
-
- /* It's propably terminate already */
- (void) task_terminate (inferior_task);
-
- inferior_task = MACH_PORT_NULL;
- current_thread = MACH_PORT_NULL;
-
- wait3 (&w, WNOHANG, 0);
-
- setup_notify_port (0);
-}
-
-static void
-m3_kill_inferior (void)
-{
- kill_inferior_fast ();
- target_mourn_inferior ();
-}
-
-/* Clean up after the inferior dies. */
-
-static void
-m3_mourn_inferior (void)
-{
- unpush_target (&m3_ops);
- generic_mourn_inferior ();
-}
-\f
-
-/* Fork an inferior process, and start debugging it. */
-
-static void
-m3_create_inferior (char *exec_file, char *allargs, char **env)
-{
- fork_inferior (exec_file, allargs, env, m3_trace_me, m3_trace_him, NULL, NULL);
- /* We are at the first instruction we care about. */
- /* Pedal to the metal... */
- proceed ((CORE_ADDR) -1, 0, 0);
-}
-
-/* Mark our target-struct as eligible for stray "run" and "attach"
- commands. */
-static int
-m3_can_run (void)
-{
- return 1;
-}
-\f
-/* Mach 3.0 does not need ptrace for anything
- * Make sure nobody uses it on mach.
- */
-ptrace (int a, int b, int c, int d)
-{
- error ("Lose, Lose! Somebody called ptrace\n");
-}
-
-/* Resume execution of the inferior process.
- If STEP is nonzero, single-step it.
- If SIGNAL is nonzero, give it that signal. */
-
-void
-m3_resume (ptid_t ptid, int step, enum target_signal signal)
-{
- kern_return_t ret;
-
- if (step)
- {
- thread_basic_info_data_t th_info;
- unsigned int infoCnt = THREAD_BASIC_INFO_COUNT;
-
- /* There is no point in single stepping when current_thread
- * is dead.
- */
- if (!MACH_PORT_VALID (current_thread))
- error ("No thread selected; can not single step");
-
- /* If current_thread is suspended, tracing it would never return.
- */
- ret = thread_info (current_thread,
- THREAD_BASIC_INFO,
- (thread_info_t) & th_info,
- &infoCnt);
- CHK ("child_resume: can't get thread info", ret);
-
- if (th_info.suspend_count)
- error ("Can't trace a suspended thread. Use \"thread resume\" command to resume it");
- }
-
- vm_read_cache_valid = FALSE;
-
- if (signal && PIDGET (inferior_ptid) > 0) /* Do not signal, if attached by MID */
- kill (PIDGET (inferior_ptid), target_signal_to_host (signal));
-
- if (step)
- {
- suspend_all_threads (0);
-
- setup_single_step (current_thread, TRUE);
-
- ret = thread_resume (current_thread);
- CHK ("thread_resume", ret);
- }
-
- ret = task_resume (inferior_task);
- if (ret == KERN_FAILURE)
- warning ("Task was not suspended");
- else
- CHK ("Resuming task", ret);
-
- /* HACK HACK This is needed by the multiserver system HACK HACK */
- while ((ret = task_resume (inferior_task)) == KERN_SUCCESS)
- /* make sure it really runs */ ;
- /* HACK HACK This is needed by the multiserver system HACK HACK */
-}
-\f
-#ifdef ATTACH_DETACH
-
-/* Start debugging the process with the given task */
-void
-task_attach (task_t tid)
-{
- kern_return_t ret;
- inferior_task = tid;
-
- ret = task_suspend (inferior_task);
- CHK ("task_attach: task_suspend", ret);
-
- must_suspend_thread = 0;
-
- setup_notify_port (1);
-
- request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
-
- setup_exception_port ();
-
- emulator_present = have_emulator_p (inferior_task);
-
- attach_flag = 1;
-}
-
-/* Well, we can call error also here and leave the
- * target stack inconsistent. Sigh.
- * Fix this sometime (the only way to fail here is that
- * the task has no threads at all, which is rare, but
- * possible; or if the target task has died, which is also
- * possible, but unlikely, since it has been suspended.
- * (Someone must have killed it))
- */
-void
-attach_to_thread (void)
-{
- if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
- error ("Could not select any threads to attach to");
-}
-
-mid_attach (int mid)
-{
- kern_return_t ret;
-
- ret = machid_mach_port (mid_server, mid_auth, mid, &inferior_task);
- CHK ("mid_attach: machid_mach_port", ret);
-
- task_attach (inferior_task);
-
- return mid;
-}
-
-/*
- * Start debugging the process whose unix process-id is PID.
- * A negative "pid" value is legal and signifies a mach_id not a unix pid.
- *
- * Prevent (possible unwanted) dangerous operations by enabled users
- * like "atta 0" or "atta foo" (equal to the previous :-) and
- * "atta pidself". Anyway, the latter is allowed by specifying a MID.
- */
-static int
-m3_do_attach (int pid)
-{
- kern_return_t ret;
-
- if (pid == 0)
- error ("MID=0, Debugging the master unix server does not compute");
-
- /* Foo. This assumes gdb has a unix pid */
- if (pid == getpid ())
- error ("I will debug myself only by mid. (Gdb would suspend itself!)");
-
- if (pid < 0)
- {
- mid_attach (-(pid));
-
- /* inferior_ptid will be NEGATIVE! */
- inferior_ptid = pid_to_ptid (pid);
-
- return PIDGET (inferior_ptid);
- }
-
- inferior_task = task_by_pid (pid);
- if (!MACH_PORT_VALID (inferior_task))
- error ("Cannot map Unix pid %d to Mach task port", pid);
-
- task_attach (inferior_task);
-
- inferior_ptid = pid_to_ptid (pid);
-
- return PIDGET (inferior_ptid);
-}
-
-/* Attach to process PID, then initialize for debugging it
- and wait for the trace-trap that results from attaching. */
-
-static void
-m3_attach (char *args, int from_tty)
-{
- char *exec_file;
- int pid;
-
- if (!args)
- error_no_arg ("process-id to attach");
-
- pid = atoi (args);
-
- if (pid == getpid ()) /* Trying to masturbate? */
- error ("I refuse to debug myself!");
-
- if (from_tty)
- {
- exec_file = (char *) get_exec_file (0);
-
- if (exec_file)
- printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
- target_pid_to_str (pid_to_ptid (pid)));
- else
- printf_unfiltered ("Attaching to %s\n",
- target_pid_to_str (pid_to_ptid (pid)));
-
- gdb_flush (gdb_stdout);
- }
-
- m3_do_attach (pid_to_ptid (pid));
- inferior_ptid = pid_to_ptid (pid);
- push_target (&m3_ops);
-}
-\f
-void
-deallocate_inferior_ports (void)
-{
- kern_return_t ret;
- thread_array_t thread_list;
- int thread_count, index;
-
- if (!MACH_PORT_VALID (inferior_task))
- return;
-
- ret = task_threads (inferior_task, &thread_list, &thread_count);
- if (ret != KERN_SUCCESS)
- {
- warning ("deallocate_inferior_ports: task_threads",
- mach_error_string (ret));
- return;
- }
-
- /* Get rid of send rights to task threads */
- for (index = 0; index < thread_count; index++)
- {
- int rights;
- ret = mach_port_get_refs (mach_task_self (),
- thread_list[index],
- MACH_PORT_RIGHT_SEND,
- &rights);
- CHK ("deallocate_inferior_ports: get refs", ret);
-
- if (rights > 0)
- {
- ret = mach_port_mod_refs (mach_task_self (),
- thread_list[index],
- MACH_PORT_RIGHT_SEND,
- -rights);
- CHK ("deallocate_inferior_ports: mod refs", ret);
- }
- }
-
- ret = mach_port_mod_refs (mach_task_self (),
- inferior_exception_port,
- MACH_PORT_RIGHT_RECEIVE,
- -1);
- CHK ("deallocate_inferior_ports: cannot get rid of exception port", ret);
-
- ret = mach_port_deallocate (mach_task_self (),
- inferior_task);
- CHK ("deallocate_task_port: deallocating inferior_task", ret);
-
- current_thread = MACH_PORT_NULL;
- inferior_task = MACH_PORT_NULL;
-}
-
-/* Stop debugging the process whose number is PID
- and continue it with signal number SIGNAL.
- SIGNAL = 0 means just continue it. */
-
-static void
-m3_do_detach (int signal)
-{
- kern_return_t ret;
-
- MACH_ERROR_NO_INFERIOR;
-
- if (current_thread != MACH_PORT_NULL)
- {
- /* Store the gdb's view of the thread we are deselecting
- * before we detach.
- * @@ I am really not sure if this is ever needeed.
- */
- target_prepare_to_store ();
- target_store_registers (-1);
- }
-
- ret = task_set_special_port (inferior_task,
- TASK_EXCEPTION_PORT,
- inferior_old_exception_port);
- CHK ("task_set_special_port", ret);
-
- /* Discard all requested notifications */
- setup_notify_port (0);
-
- if (remove_breakpoints ())
- warning ("Could not remove breakpoints when detaching");
-
- if (signal && PIDGET (inferior_ptid) > 0)
- kill (PIDGET (inferior_ptid), signal);
-
- /* the task might be dead by now */
- (void) task_resume (inferior_task);
-
- deallocate_inferior_ports ();
-
- attach_flag = 0;
-}
-
-/* Take a program previously attached to and detaches it.
- The program resumes execution and will no longer stop
- on signals, etc. We'd better not have left any breakpoints
- in the program or it'll die when it hits one. For this
- to work, it may be necessary for the process to have been
- previously attached. It *might* work if the program was
- started via fork. */
-
-static void
-m3_detach (char *args, int from_tty)
-{
- int siggnal = 0;
-
- if (from_tty)
- {
- char *exec_file = get_exec_file (0);
- if (exec_file == 0)
- exec_file = "";
- printf_unfiltered ("Detaching from program: %s %s\n",
- exec_file, target_pid_to_str (inferior_ptid));
- gdb_flush (gdb_stdout);
- }
- if (args)
- siggnal = atoi (args);
-
- m3_do_detach (siggnal);
- inferior_ptid = null_ptid;
- unpush_target (&m3_ops); /* Pop out of handling an inferior */
-}
-#endif /* ATTACH_DETACH */
-
-/* Get ready to modify the registers array. On machines which store
- individual registers, this doesn't need to do anything. On machines
- which store all the registers in one fell swoop, this makes sure
- that registers contains all the registers from the program being
- debugged. */
-
-static void
-m3_prepare_to_store (void)
-{
-#ifdef CHILD_PREPARE_TO_STORE
- CHILD_PREPARE_TO_STORE ();
-#endif
-}
-
-/* Print status information about what we're accessing. */
-
-static void
-m3_files_info (struct target_ops *ignore)
-{
- /* FIXME: should print MID and all that crap. */
- printf_unfiltered ("\tUsing the running image of %s %s.\n",
- attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
-}
-
-static void
-m3_open (char *arg, int from_tty)
-{
- error ("Use the \"run\" command to start a Unix child process.");
-}
-
-#ifdef DUMP_SYSCALL
-#define STR(x) #x
-
-char *bsd1_names[] =
-{
- "execve",
- "fork",
- "take_signal",
- "sigreturn",
- "getrusage",
- "chdir",
- "chroot",
- "open",
- "creat",
- "mknod",
- "link",
- "symlink",
- "unlink",
- "access",
- "stat",
- "readlink",
- "chmod",
- "chown",
- "utimes",
- "truncate",
- "rename",
- "mkdir",
- "rmdir",
- "xutimes",
- "mount",
- "umount",
- "acct",
- "setquota",
- "write_short",
- "write_long",
- "send_short",
- "send_long",
- "sendto_short",
- "sendto_long",
- "select",
- "task_by_pid",
- "recvfrom_short",
- "recvfrom_long",
- "setgroups",
- "setrlimit",
- "sigvec",
- "sigstack",
- "settimeofday",
- "adjtime",
- "setitimer",
- "sethostname",
- "bind",
- "accept",
- "connect",
- "setsockopt",
- "getsockopt",
- "getsockname",
- "getpeername",
- "init_process",
- "table_set",
- "table_get",
- "pioctl",
- "emulator_error",
- "readwrite",
- "share_wakeup",
- 0,
- "maprw_request_it",
- "maprw_release_it",
- "maprw_remap",
- "pid_by_task",
-};
-
-int bsd1_nnames = sizeof (bsd1_names) / sizeof (bsd1_names[0]);
-
-char *
-name_str (int name, char *buf)
-{
- switch (name)
- {
- case MACH_MSG_TYPE_BOOLEAN:
- return "boolean";
- case MACH_MSG_TYPE_INTEGER_16:
- return "short";
- case MACH_MSG_TYPE_INTEGER_32:
- return "long";
- case MACH_MSG_TYPE_CHAR:
- return "char";
- case MACH_MSG_TYPE_BYTE:
- return "byte";
- case MACH_MSG_TYPE_REAL:
- return "real";
- case MACH_MSG_TYPE_STRING:
- return "string";
- default:
- sprintf (buf, "%d", name);
- return buf;
- }
-}
-
-char *
-id_str (int id, char *buf)
-{
- char *p;
- if (id >= 101000 && id < 101000 + bsd1_nnames)
- {
- if (p = bsd1_names[id - 101000])
- return p;
- }
- if (id == 102000)
- return "psignal_retry";
- if (id == 100000)
- return "syscall";
- sprintf (buf, "%d", id);
- return buf;
-}
-
-print_msg (mach_msg_header_t *mp)
-{
- char *fmt_x = "%20s : 0x%08x\n";
- char *fmt_d = "%20s : %10d\n";
- char *fmt_s = "%20s : %s\n";
- char buf[100];
-
- puts_filtered ("\n");
-#define pr(fmt,h,x) printf_filtered(fmt,STR(x),(h).x)
- pr (fmt_x, (*mp), msgh_bits);
- pr (fmt_d, (*mp), msgh_size);
- pr (fmt_x, (*mp), msgh_remote_port);
- pr (fmt_x, (*mp), msgh_local_port);
- pr (fmt_d, (*mp), msgh_kind);
- printf_filtered (fmt_s, STR (msgh_id), id_str (mp->msgh_id, buf));
-
- if (debug_level > 1)
- {
- char *p, *ep, *dp;
- int plen;
- p = (char *) mp;
- ep = p + mp->msgh_size;
- p += sizeof (*mp);
- for (; p < ep; p += plen)
- {
- mach_msg_type_t *tp;
- mach_msg_type_long_t *tlp;
- int name, size, number;
- tp = (mach_msg_type_t *) p;
- if (tp->msgt_longform)
- {
- tlp = (mach_msg_type_long_t *) tp;
- name = tlp->msgtl_name;
- size = tlp->msgtl_size;
- number = tlp->msgtl_number;
- plen = sizeof (*tlp);
- }
- else
- {
- name = tp->msgt_name;
- size = tp->msgt_size;
- number = tp->msgt_number;
- plen = sizeof (*tp);
- }
- printf_filtered ("name=%-16s size=%2d number=%7d inline=%d long=%d deal=%d\n",
- name_str (name, buf), size, number, tp->msgt_inline,
- tp->msgt_longform, tp->msgt_deallocate);
- dp = p + plen;
- if (tp->msgt_inline)
- {
- int l;
- l = size * number / 8;
- l = (l + sizeof (long) - 1) & ~((sizeof (long)) - 1);
- plen += l;
- print_data (dp, size, number);
- }
- else
- {
- plen += sizeof (int *);
- }
- printf_filtered ("plen=%d\n", plen);
- }
- }
-}
-
-print_data (char *p, int size, int number)
-{
- int *ip;
- short *sp;
- int i;
-
- switch (size)
- {
- case 8:
- for (i = 0; i < number; i++)
- {
- printf_filtered (" %02x", p[i]);
- }
- break;
- case 16:
- sp = (short *) p;
- for (i = 0; i < number; i++)
- {
- printf_filtered (" %04x", sp[i]);
- }
- break;
- case 32:
- ip = (int *) p;
- for (i = 0; i < number; i++)
- {
- printf_filtered (" %08x", ip[i]);
- }
- break;
- }
- puts_filtered ("\n");
-}
-#endif /* DUMP_SYSCALL */
-
-static void
-m3_stop (void)
-{
- error ("to_stop target function not implemented");
-}
-
-static char *
-m3_pid_to_exec_file (int pid)
-{
- error ("to_pid_to_exec_file target function not implemented");
- return NULL; /* To keep all compilers happy. */
-}
-
-static void
-init_m3_ops (void)
-{
- m3_ops.to_shortname = "mach";
- m3_ops.to_longname = "Mach child process";
- m3_ops.to_doc = "Mach child process (started by the \"run\" command).";
- m3_ops.to_open = m3_open;
- m3_ops.to_attach = m3_attach;
- m3_ops.to_detach = m3_detach;
- m3_ops.to_resume = m3_resume;
- m3_ops.to_wait = mach_really_wait;
- m3_ops.to_fetch_registers = fetch_inferior_registers;
- m3_ops.to_store_registers = store_inferior_registers;
- m3_ops.to_prepare_to_store = m3_prepare_to_store;
- m3_ops.to_xfer_memory = m3_xfer_memory;
- m3_ops.to_files_info = m3_files_info;
- m3_ops.to_insert_breakpoint = memory_insert_breakpoint;
- m3_ops.to_remove_breakpoint = memory_remove_breakpoint;
- m3_ops.to_terminal_init = terminal_init_inferior;
- m3_ops.to_terminal_inferior = terminal_inferior;
- m3_ops.to_terminal_ours_for_output = terminal_ours_for_output;
- m3_ops.to_terminal_save_ours = terminal_save_ours;
- m3_ops.to_terminal_ours = terminal_ours;
- m3_ops.to_terminal_info = child_terminal_info;
- m3_ops.to_kill = m3_kill_inferior;
- m3_ops.to_create_inferior = m3_create_inferior;
- m3_ops.to_mourn_inferior = m3_mourn_inferior;
- m3_ops.to_can_run = m3_can_run;
- m3_ops.to_stop = m3_stop;
- m3_ops.to_pid_to_exec_file = m3_pid_to_exec_file;
- m3_ops.to_stratum = process_stratum;
- m3_ops.to_has_all_memory = 1;
- m3_ops.to_has_memory = 1;
- m3_ops.to_has_stack = 1;
- m3_ops.to_has_registers = 1;
- m3_ops.to_has_execution = 1;
- m3_ops.to_magic = OPS_MAGIC;
-}
-
-void
-_initialize_m3_nat (void)
-{
- kern_return_t ret;
-
- init_m3_ops ();
- add_target (&m3_ops);
-
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_PORT_SET,
- &inferior_wait_port_set);
- if (ret != KERN_SUCCESS)
- internal_error (__FILE__, __LINE__,
- "initial port set %s", mach_error_string (ret));
-
- /* mach_really_wait now waits for this */
- currently_waiting_for = inferior_wait_port_set;
-
- ret = netname_look_up (name_server_port, hostname, "MachID", &mid_server);
- if (ret != KERN_SUCCESS)
- {
- mid_server = MACH_PORT_NULL;
-
- warning ("initialize machid: netname_lookup_up(MachID) : %s",
- mach_error_string (ret));
- warning ("Some (most?) features disabled...");
- }
-
- mid_auth = mach_privileged_host_port ();
- if (mid_auth == MACH_PORT_NULL)
- mid_auth = mach_task_self ();
-
- obstack_init (port_chain_obstack);
-
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &thread_exception_port);
- CHK ("Creating thread_exception_port for single stepping", ret);
-
- ret = mach_port_insert_right (mach_task_self (),
- thread_exception_port,
- thread_exception_port,
- MACH_MSG_TYPE_MAKE_SEND);
- CHK ("Inserting send right to thread_exception_port", ret);
-
- /* Allocate message port */
- ret = mach_port_allocate (mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &our_message_port);
- if (ret != KERN_SUCCESS)
- warning ("Creating message port %s", mach_error_string (ret));
- else
- {
- char buf[MAX_NAME_LEN];
- ret = mach_port_move_member (mach_task_self (),
- our_message_port,
- inferior_wait_port_set);
- if (ret != KERN_SUCCESS)
- warning ("message move member %s", mach_error_string (ret));
-
-
- /* @@@@ No way to change message port name currently */
- /* Foo. This assumes gdb has a unix pid */
- sprintf (buf, "gdb-%d", getpid ());
- gdb_register_port (buf, our_message_port);
- }
-
- /* Heap for thread commands */
- obstack_init (cproc_obstack);
-
- add_mach_specific_commands ();
-}
+// OBSOLETE /* Interface GDB to Mach 3.0 operating systems.
+// OBSOLETE (Most) Mach 3.0 related routines live in this file.
+// OBSOLETE
+// OBSOLETE Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+// OBSOLETE 2002 Free Software Foundation, Inc.
+// OBSOLETE
+// OBSOLETE This file is part of GDB.
+// OBSOLETE
+// OBSOLETE This program is free software; you can redistribute it and/or modify
+// OBSOLETE it under the terms of the GNU General Public License as published by
+// OBSOLETE the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE (at your option) any later version.
+// OBSOLETE
+// OBSOLETE This program is distributed in the hope that it will be useful,
+// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// OBSOLETE GNU General Public License for more details.
+// OBSOLETE
+// OBSOLETE You should have received a copy of the GNU General Public License
+// OBSOLETE along with this program; if not, write to the Free Software
+// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE Boston, MA 02111-1307, USA. */
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Author: Jukka Virtanen <jtv@hut.fi>
+// OBSOLETE * Computing Centre
+// OBSOLETE * Helsinki University of Technology
+// OBSOLETE * Finland
+// OBSOLETE *
+// OBSOLETE * Thanks to my friends who helped with ideas and testing:
+// OBSOLETE *
+// OBSOLETE * Johannes Helander, Antti Louko, Tero Mononen,
+// OBSOLETE * jvh@cs.hut.fi alo@hut.fi tmo@cs.hut.fi
+// OBSOLETE *
+// OBSOLETE * Tero Kivinen and Eamonn McManus
+// OBSOLETE * kivinen@cs.hut.fi emcmanus@gr.osf.org
+// OBSOLETE *
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE #include <stdio.h>
+// OBSOLETE
+// OBSOLETE #include <mach.h>
+// OBSOLETE #include <servers/netname.h>
+// OBSOLETE #include <servers/machid.h>
+// OBSOLETE #include <mach/message.h>
+// OBSOLETE #include <mach/notify.h>
+// OBSOLETE #include <mach_error.h>
+// OBSOLETE #include <mach/exception.h>
+// OBSOLETE #include <mach/vm_attributes.h>
+// OBSOLETE
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "inferior.h"
+// OBSOLETE #include "symtab.h"
+// OBSOLETE #include "value.h"
+// OBSOLETE #include "language.h"
+// OBSOLETE #include "target.h"
+// OBSOLETE #include "gdb_wait.h"
+// OBSOLETE #include "gdbcmd.h"
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE #include <servers/machid_lib.h>
+// OBSOLETE #else
+// OBSOLETE #define MACH_TYPE_TASK 1
+// OBSOLETE #define MACH_TYPE_THREAD 2
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE /* Included only for signal names and NSIG
+// OBSOLETE
+// OBSOLETE * note: There are many problems in signal handling with
+// OBSOLETE * gdb in Mach 3.0 in general.
+// OBSOLETE */
+// OBSOLETE #include <signal.h>
+// OBSOLETE #define SIG_UNKNOWN 0 /* Exception that has no matching unix signal */
+// OBSOLETE
+// OBSOLETE #include <cthreads.h>
+// OBSOLETE
+// OBSOLETE /* This is what a cproc looks like. This is here partly because
+// OBSOLETE cthread_internals.h is not a header we can just #include, partly with
+// OBSOLETE an eye towards perhaps getting this to work with cross-debugging
+// OBSOLETE someday. Best solution is if CMU publishes a real interface to this
+// OBSOLETE stuff. */
+// OBSOLETE #define CPROC_NEXT_OFFSET 0
+// OBSOLETE #define CPROC_NEXT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_INCARNATION_OFFSET (CPROC_NEXT_OFFSET + CPROC_NEXT_SIZE)
+// OBSOLETE #define CPROC_INCARNATION_SIZE (sizeof (cthread_t))
+// OBSOLETE #define CPROC_LIST_OFFSET (CPROC_INCARNATION_OFFSET + CPROC_INCARNATION_SIZE)
+// OBSOLETE #define CPROC_LIST_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_WAIT_OFFSET (CPROC_LIST_OFFSET + CPROC_LIST_SIZE)
+// OBSOLETE #define CPROC_WAIT_SIZE (TARGET_PTR_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_REPLY_OFFSET (CPROC_WAIT_OFFSET + CPROC_WAIT_SIZE)
+// OBSOLETE #define CPROC_REPLY_SIZE (sizeof (mach_port_t))
+// OBSOLETE #define CPROC_CONTEXT_OFFSET (CPROC_REPLY_OFFSET + CPROC_REPLY_SIZE)
+// OBSOLETE #define CPROC_CONTEXT_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_LOCK_OFFSET (CPROC_CONTEXT_OFFSET + CPROC_CONTEXT_SIZE)
+// OBSOLETE #define CPROC_LOCK_SIZE (sizeof (spin_lock_t))
+// OBSOLETE #define CPROC_STATE_OFFSET (CPROC_LOCK_OFFSET + CPROC_LOCK_SIZE)
+// OBSOLETE #define CPROC_STATE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_WIRED_OFFSET (CPROC_STATE_OFFSET + CPROC_STATE_SIZE)
+// OBSOLETE #define CPROC_WIRED_SIZE (sizeof (mach_port_t))
+// OBSOLETE #define CPROC_BUSY_OFFSET (CPROC_WIRED_OFFSET + CPROC_WIRED_SIZE)
+// OBSOLETE #define CPROC_BUSY_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_MSG_OFFSET (CPROC_BUSY_OFFSET + CPROC_BUSY_SIZE)
+// OBSOLETE #define CPROC_MSG_SIZE (sizeof (mach_msg_header_t))
+// OBSOLETE #define CPROC_BASE_OFFSET (CPROC_MSG_OFFSET + CPROC_MSG_SIZE)
+// OBSOLETE #define CPROC_BASE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_SIZE_OFFSET (CPROC_BASE_OFFSET + CPROC_BASE_SIZE)
+// OBSOLETE #define CPROC_SIZE_SIZE (TARGET_INT_BIT / HOST_CHAR_BIT)
+// OBSOLETE #define CPROC_SIZE (CPROC_SIZE_OFFSET + CPROC_SIZE_SIZE)
+// OBSOLETE
+// OBSOLETE /* Values for the state field in the cproc. */
+// OBSOLETE #define CPROC_RUNNING 0
+// OBSOLETE #define CPROC_SWITCHING 1
+// OBSOLETE #define CPROC_BLOCKED 2
+// OBSOLETE #define CPROC_CONDWAIT 4
+// OBSOLETE
+// OBSOLETE /* For cproc and kernel thread mapping */
+// OBSOLETE typedef struct gdb_thread
+// OBSOLETE {
+// OBSOLETE mach_port_t name;
+// OBSOLETE CORE_ADDR sp;
+// OBSOLETE CORE_ADDR pc;
+// OBSOLETE CORE_ADDR fp;
+// OBSOLETE boolean_t in_emulator;
+// OBSOLETE int slotid;
+// OBSOLETE
+// OBSOLETE /* This is for the mthreads list. It points to the cproc list.
+// OBSOLETE Perhaps the two lists should be merged (or perhaps it was a mistake
+// OBSOLETE to make them both use a struct gdb_thread). */
+// OBSOLETE struct gdb_thread *cproc;
+// OBSOLETE
+// OBSOLETE /* These are for the cproc list, which is linked through the next field
+// OBSOLETE of the struct gdb_thread. */
+// OBSOLETE char raw_cproc[CPROC_SIZE];
+// OBSOLETE /* The cthread which is pointed to by the incarnation field from the
+// OBSOLETE cproc. This points to the copy we've read into GDB. */
+// OBSOLETE cthread_t cthread;
+// OBSOLETE /* Point back to the mthreads list. */
+// OBSOLETE int reverse_map;
+// OBSOLETE struct gdb_thread *next;
+// OBSOLETE }
+// OBSOLETE *gdb_thread_t;
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Actions for Mach exceptions.
+// OBSOLETE *
+// OBSOLETE * sigmap field maps the exception to corresponding Unix signal.
+// OBSOLETE *
+// OBSOLETE * I do not know how to map the exception to unix signal
+// OBSOLETE * if SIG_UNKNOWN is specified.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE struct exception_list
+// OBSOLETE {
+// OBSOLETE char *name;
+// OBSOLETE boolean_t forward;
+// OBSOLETE boolean_t print;
+// OBSOLETE int sigmap;
+// OBSOLETE }
+// OBSOLETE exception_map[] =
+// OBSOLETE {
+// OBSOLETE {
+// OBSOLETE "not_mach3_exception", FALSE, TRUE, SIG_UNKNOWN
+// OBSOLETE }
+// OBSOLETE ,
+// OBSOLETE {
+// OBSOLETE "EXC_BAD_ACCESS", FALSE, TRUE, SIGSEGV
+// OBSOLETE }
+// OBSOLETE ,
+// OBSOLETE {
+// OBSOLETE "EXC_BAD_INSTRUCTION", FALSE, TRUE, SIGILL
+// OBSOLETE }
+// OBSOLETE ,
+// OBSOLETE {
+// OBSOLETE "EXC_ARITHMETIC", FALSE, TRUE, SIGFPE
+// OBSOLETE }
+// OBSOLETE ,
+// OBSOLETE {
+// OBSOLETE "EXC_EMULATION", FALSE, TRUE, SIGEMT
+// OBSOLETE }
+// OBSOLETE , /* ??? */
+// OBSOLETE {
+// OBSOLETE "EXC_SOFTWARE", FALSE, TRUE, SIG_UNKNOWN
+// OBSOLETE }
+// OBSOLETE ,
+// OBSOLETE {
+// OBSOLETE "EXC_BREAKPOINT", FALSE, FALSE, SIGTRAP
+// OBSOLETE }
+// OBSOLETE };
+// OBSOLETE
+// OBSOLETE /* Mach exception table size */
+// OBSOLETE int max_exception = sizeof (exception_map) / sizeof (struct exception_list) - 1;
+// OBSOLETE
+// OBSOLETE #define MAX_EXCEPTION max_exception
+// OBSOLETE
+// OBSOLETE WAITTYPE wait_status;
+// OBSOLETE
+// OBSOLETE /* If you define this, intercepted bsd server calls will be
+// OBSOLETE * dumped while waiting the inferior to EXEC the correct
+// OBSOLETE * program
+// OBSOLETE */
+// OBSOLETE /* #define DUMP_SYSCALL /* debugging interceptor */
+// OBSOLETE
+// OBSOLETE /* xx_debug() outputs messages if this is nonzero.
+// OBSOLETE * If > 1, DUMP_SYSCALL will dump message contents.
+// OBSOLETE */
+// OBSOLETE int debug_level = 0;
+// OBSOLETE
+// OBSOLETE /* "Temporary" debug stuff */
+// OBSOLETE void
+// OBSOLETE xx_debug (char *fmt, int a, int b, int c)
+// OBSOLETE {
+// OBSOLETE if (debug_level)
+// OBSOLETE warning (fmt, a, b, c);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* This is in libmach.a */
+// OBSOLETE extern mach_port_t name_server_port;
+// OBSOLETE
+// OBSOLETE /* Set in catch_exception_raise */
+// OBSOLETE int stop_exception, stop_code, stop_subcode;
+// OBSOLETE int stopped_in_exception;
+// OBSOLETE
+// OBSOLETE /* Thread that was the active thread when we stopped */
+// OBSOLETE thread_t stop_thread = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE char *hostname = "";
+// OBSOLETE
+// OBSOLETE /* Set when task is attached or created */
+// OBSOLETE boolean_t emulator_present = FALSE;
+// OBSOLETE
+// OBSOLETE task_t inferior_task;
+// OBSOLETE thread_t current_thread;
+// OBSOLETE
+// OBSOLETE /* Exception ports for inferior task */
+// OBSOLETE mach_port_t inferior_exception_port = MACH_PORT_NULL;
+// OBSOLETE mach_port_t inferior_old_exception_port = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* task exceptions and notifications */
+// OBSOLETE mach_port_t inferior_wait_port_set = MACH_PORT_NULL;
+// OBSOLETE mach_port_t our_notify_port = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* This is "inferior_wait_port_set" when not single stepping, and
+// OBSOLETE * "singlestepped_thread_port" when we are single stepping.
+// OBSOLETE *
+// OBSOLETE * This is protected by a cleanup function: discard_single_step()
+// OBSOLETE */
+// OBSOLETE mach_port_t currently_waiting_for = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* A port for external messages to gdb.
+// OBSOLETE * External in the meaning that they do not come
+// OBSOLETE * from the inferior_task, but rather from external
+// OBSOLETE * tasks.
+// OBSOLETE *
+// OBSOLETE * As a debugging feature:
+// OBSOLETE * A debugger debugging another debugger can stop the
+// OBSOLETE * inferior debugger by the following command sequence
+// OBSOLETE * (without running external programs)
+// OBSOLETE *
+// OBSOLETE * (top-gdb) set stop_inferior_gdb ()
+// OBSOLETE * (top-gdb) continue
+// OBSOLETE */
+// OBSOLETE mach_port_t our_message_port = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* For single stepping */
+// OBSOLETE mach_port_t thread_exception_port = MACH_PORT_NULL;
+// OBSOLETE mach_port_t thread_saved_exception_port = MACH_PORT_NULL;
+// OBSOLETE mach_port_t singlestepped_thread_port = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* For machid calls */
+// OBSOLETE mach_port_t mid_server = MACH_PORT_NULL;
+// OBSOLETE mach_port_t mid_auth = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* If gdb thinks the inferior task is not suspended, it
+// OBSOLETE * must take suspend/abort the threads when it reads the state.
+// OBSOLETE */
+// OBSOLETE int must_suspend_thread = 0;
+// OBSOLETE
+// OBSOLETE /* When single stepping, we switch the port that mach_really_wait() listens to.
+// OBSOLETE * This cleanup is a guard to prevent the port set from being left to
+// OBSOLETE * the singlestepped_thread_port when error() is called.
+// OBSOLETE * This is nonzero only when we are single stepping.
+// OBSOLETE */
+// OBSOLETE #define NULL_CLEANUP (struct cleanup *)0
+// OBSOLETE struct cleanup *cleanup_step = NULL_CLEANUP;
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE static struct target_ops m3_ops;
+// OBSOLETE
+// OBSOLETE static void m3_kill_inferior ();
+// OBSOLETE \f
+// OBSOLETE #if 0
+// OBSOLETE #define MACH_TYPE_EXCEPTION_PORT -1
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE /* Chain of ports to remember requested notifications. */
+// OBSOLETE
+// OBSOLETE struct port_chain
+// OBSOLETE {
+// OBSOLETE struct port_chain *next;
+// OBSOLETE mach_port_t port;
+// OBSOLETE int type;
+// OBSOLETE int mid; /* Now only valid with MACH_TYPE_THREAD and */
+// OBSOLETE /* MACH_TYPE_THREAD */
+// OBSOLETE };
+// OBSOLETE typedef struct port_chain *port_chain_t;
+// OBSOLETE
+// OBSOLETE /* Room for chain nodes comes from pchain_obstack */
+// OBSOLETE struct obstack pchain_obstack;
+// OBSOLETE struct obstack *port_chain_obstack = &pchain_obstack;
+// OBSOLETE
+// OBSOLETE /* For thread handling */
+// OBSOLETE struct obstack Cproc_obstack;
+// OBSOLETE struct obstack *cproc_obstack = &Cproc_obstack;
+// OBSOLETE
+// OBSOLETE /* the list of notified ports */
+// OBSOLETE port_chain_t notify_chain = (port_chain_t) NULL;
+// OBSOLETE
+// OBSOLETE port_chain_t
+// OBSOLETE port_chain_insert (port_chain_t list, mach_port_t name, int type)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE port_chain_t new;
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (name))
+// OBSOLETE return list;
+// OBSOLETE
+// OBSOLETE if (type == MACH_TYPE_TASK || type == MACH_TYPE_THREAD)
+// OBSOLETE {
+// OBSOLETE if (!MACH_PORT_VALID (mid_server))
+// OBSOLETE {
+// OBSOLETE warning ("Machid server port invalid, can not map port 0x%x to MID",
+// OBSOLETE name);
+// OBSOLETE mid = name;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Can not map name (0x%x) to MID with machid", name);
+// OBSOLETE mid = name;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE
+// OBSOLETE new = (port_chain_t) obstack_alloc (port_chain_obstack,
+// OBSOLETE sizeof (struct port_chain));
+// OBSOLETE new->next = list;
+// OBSOLETE new->port = name;
+// OBSOLETE new->type = type;
+// OBSOLETE new->mid = mid;
+// OBSOLETE
+// OBSOLETE return new;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE port_chain_t
+// OBSOLETE port_chain_delete (port_chain_t list, mach_port_t elem)
+// OBSOLETE {
+// OBSOLETE if (list)
+// OBSOLETE if (list->port == elem)
+// OBSOLETE list = list->next;
+// OBSOLETE else
+// OBSOLETE while (list->next)
+// OBSOLETE {
+// OBSOLETE if (list->next->port == elem)
+// OBSOLETE list->next = list->next->next; /* GCd with obstack_free() */
+// OBSOLETE else
+// OBSOLETE list = list->next;
+// OBSOLETE }
+// OBSOLETE return list;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE port_chain_destroy (struct obstack *ostack)
+// OBSOLETE {
+// OBSOLETE obstack_free (ostack, 0);
+// OBSOLETE obstack_init (ostack);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE port_chain_t
+// OBSOLETE port_chain_member (port_chain_t list, mach_port_t elem)
+// OBSOLETE {
+// OBSOLETE while (list)
+// OBSOLETE {
+// OBSOLETE if (list->port == elem)
+// OBSOLETE return list;
+// OBSOLETE list = list->next;
+// OBSOLETE }
+// OBSOLETE return (port_chain_t) NULL;
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE int
+// OBSOLETE map_port_name_to_mid (mach_port_t name, int type)
+// OBSOLETE {
+// OBSOLETE port_chain_t elem;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (name))
+// OBSOLETE return -1;
+// OBSOLETE
+// OBSOLETE elem = port_chain_member (notify_chain, name);
+// OBSOLETE
+// OBSOLETE if (elem && (elem->type == type))
+// OBSOLETE return elem->mid;
+// OBSOLETE
+// OBSOLETE if (elem)
+// OBSOLETE return -1;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (mid_server))
+// OBSOLETE {
+// OBSOLETE warning ("Machid server port invalid, can not map port 0x%x to mid",
+// OBSOLETE name);
+// OBSOLETE return -1;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE ret = machid_mach_register (mid_server, mid_auth, name, type, &mid);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Can not map name (0x%x) to mid with machid", name);
+// OBSOLETE return -1;
+// OBSOLETE }
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* Guard for currently_waiting_for and singlestepped_thread_port */
+// OBSOLETE static void
+// OBSOLETE discard_single_step (thread_t thread)
+// OBSOLETE {
+// OBSOLETE currently_waiting_for = inferior_wait_port_set;
+// OBSOLETE
+// OBSOLETE cleanup_step = NULL_CLEANUP;
+// OBSOLETE if (MACH_PORT_VALID (thread) && MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE setup_single_step (thread, FALSE);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE setup_single_step (thread_t thread, boolean_t start_step)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (thread))
+// OBSOLETE error ("Invalid thread supplied to setup_single_step");
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE mach_port_t teport;
+// OBSOLETE
+// OBSOLETE /* Get the current thread exception port */
+// OBSOLETE ret = thread_get_exception_port (thread, &teport);
+// OBSOLETE CHK ("Getting thread's exception port", ret);
+// OBSOLETE
+// OBSOLETE if (start_step)
+// OBSOLETE {
+// OBSOLETE if (MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE {
+// OBSOLETE warning ("Singlestepped_thread_port (0x%x) is still valid?",
+// OBSOLETE singlestepped_thread_port);
+// OBSOLETE singlestepped_thread_port = MACH_PORT_NULL;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If we are already stepping this thread */
+// OBSOLETE if (MACH_PORT_VALID (teport) && teport == thread_exception_port)
+// OBSOLETE {
+// OBSOLETE ret = mach_port_deallocate (mach_task_self (), teport);
+// OBSOLETE CHK ("Could not deallocate thread exception port", ret);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE ret = thread_set_exception_port (thread, thread_exception_port);
+// OBSOLETE CHK ("Setting exception port for thread", ret);
+// OBSOLETE #if 0
+// OBSOLETE /* Insert thread exception port to wait port set */
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE thread_exception_port,
+// OBSOLETE inferior_wait_port_set);
+// OBSOLETE CHK ("Moving thread exception port to inferior_wait_port_set",
+// OBSOLETE ret);
+// OBSOLETE #endif
+// OBSOLETE thread_saved_exception_port = teport;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE thread_trace (thread, TRUE);
+// OBSOLETE
+// OBSOLETE singlestepped_thread_port = thread_exception_port;
+// OBSOLETE currently_waiting_for = singlestepped_thread_port;
+// OBSOLETE cleanup_step = make_cleanup (discard_single_step, thread);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE if (!MACH_PORT_VALID (teport))
+// OBSOLETE error ("Single stepped thread had an invalid exception port?");
+// OBSOLETE
+// OBSOLETE if (teport != thread_exception_port)
+// OBSOLETE error ("Single stepped thread had an unknown exception port?");
+// OBSOLETE
+// OBSOLETE ret = mach_port_deallocate (mach_task_self (), teport);
+// OBSOLETE CHK ("Couldn't deallocate thread exception port", ret);
+// OBSOLETE #if 0
+// OBSOLETE /* Remove thread exception port from wait port set */
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE thread_exception_port,
+// OBSOLETE MACH_PORT_NULL);
+// OBSOLETE CHK ("Removing thread exception port from inferior_wait_port_set",
+// OBSOLETE ret);
+// OBSOLETE #endif
+// OBSOLETE /* Restore thread's old exception port */
+// OBSOLETE ret = thread_set_exception_port (thread,
+// OBSOLETE thread_saved_exception_port);
+// OBSOLETE CHK ("Restoring stepped thread's exception port", ret);
+// OBSOLETE
+// OBSOLETE if (MACH_PORT_VALID (thread_saved_exception_port))
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (),
+// OBSOLETE thread_saved_exception_port);
+// OBSOLETE
+// OBSOLETE thread_trace (thread, FALSE);
+// OBSOLETE
+// OBSOLETE singlestepped_thread_port = MACH_PORT_NULL;
+// OBSOLETE currently_waiting_for = inferior_wait_port_set;
+// OBSOLETE if (cleanup_step)
+// OBSOLETE discard_cleanups (cleanup_step);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE static
+// OBSOLETE request_notify (mach_port_t name, mach_msg_id_t variant, int type)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE mach_port_t previous_port_dummy = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (name))
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE if (port_chain_member (notify_chain, name))
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE ret = mach_port_request_notification (mach_task_self (),
+// OBSOLETE name,
+// OBSOLETE variant,
+// OBSOLETE 1,
+// OBSOLETE our_notify_port,
+// OBSOLETE MACH_MSG_TYPE_MAKE_SEND_ONCE,
+// OBSOLETE &previous_port_dummy);
+// OBSOLETE CHK ("Serious: request_notify failed", ret);
+// OBSOLETE
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (),
+// OBSOLETE previous_port_dummy);
+// OBSOLETE
+// OBSOLETE notify_chain = port_chain_insert (notify_chain, name, type);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE reverse_msg_bits (mach_msg_header_t *msgp, int type)
+// OBSOLETE {
+// OBSOLETE int rbits, lbits;
+// OBSOLETE rbits = MACH_MSGH_BITS_REMOTE (msgp->msgh_bits);
+// OBSOLETE lbits = type;
+// OBSOLETE msgp->msgh_bits =
+// OBSOLETE (msgp->msgh_bits & ~MACH_MSGH_BITS_PORTS_MASK) |
+// OBSOLETE MACH_MSGH_BITS (lbits, rbits);
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* On the third day He said:
+// OBSOLETE
+// OBSOLETE Let this be global
+// OBSOLETE and then it was global.
+// OBSOLETE
+// OBSOLETE When creating the inferior fork, the
+// OBSOLETE child code in inflow.c sets the name of the
+// OBSOLETE bootstrap_port in its address space to this
+// OBSOLETE variable.
+// OBSOLETE
+// OBSOLETE The name is transferred to our address space
+// OBSOLETE with mach3_read_inferior().
+// OBSOLETE
+// OBSOLETE Thou shalt not do this with
+// OBSOLETE task_get_bootstrap_port() in this task, since
+// OBSOLETE the name in the inferior task is different than
+// OBSOLETE the one we get.
+// OBSOLETE
+// OBSOLETE For blessed are the meek, as they shall inherit
+// OBSOLETE the address space.
+// OBSOLETE */
+// OBSOLETE mach_port_t original_server_port_name = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* Called from inferior after FORK but before EXEC */
+// OBSOLETE static void
+// OBSOLETE m3_trace_me (void)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE /* Get the NAME of the bootstrap port in this task
+// OBSOLETE so that GDB can read it */
+// OBSOLETE ret = task_get_bootstrap_port (mach_task_self (),
+// OBSOLETE &original_server_port_name);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE original_server_port_name);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE
+// OBSOLETE /* Suspend this task to let the parent change my ports.
+// OBSOLETE Resumed by the debugger */
+// OBSOLETE ret = task_suspend (mach_task_self ());
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /*
+// OBSOLETE * Intercept system calls to Unix server.
+// OBSOLETE * After EXEC_COUNTER calls to exec(), return.
+// OBSOLETE *
+// OBSOLETE * Pre-assertion: Child is suspended. (Not verified)
+// OBSOLETE * Post-condition: Child is suspended after EXEC_COUNTER exec() calls.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE intercept_exec_calls (int exec_counter)
+// OBSOLETE {
+// OBSOLETE int terminal_initted = 0;
+// OBSOLETE
+// OBSOLETE struct syscall_msg_t
+// OBSOLETE {
+// OBSOLETE mach_msg_header_t header;
+// OBSOLETE mach_msg_type_t type;
+// OBSOLETE char room[2000]; /* Enuff space */
+// OBSOLETE };
+// OBSOLETE
+// OBSOLETE struct syscall_msg_t syscall_in, syscall_out;
+// OBSOLETE
+// OBSOLETE mach_port_t fake_server;
+// OBSOLETE mach_port_t original_server_send;
+// OBSOLETE mach_port_t original_exec_reply;
+// OBSOLETE mach_port_t exec_reply;
+// OBSOLETE mach_port_t exec_reply_send;
+// OBSOLETE mach_msg_type_name_t acquired;
+// OBSOLETE mach_port_t emulator_server_port_name;
+// OBSOLETE struct task_basic_info info;
+// OBSOLETE mach_msg_type_number_t info_count;
+// OBSOLETE
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (exec_counter <= 0)
+// OBSOLETE return; /* We are already set up in the correct program */
+// OBSOLETE
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE &fake_server);
+// OBSOLETE CHK ("create inferior_fake_server port failed", ret);
+// OBSOLETE
+// OBSOLETE /* Wait for inferior_task to suspend itself */
+// OBSOLETE while (1)
+// OBSOLETE {
+// OBSOLETE info_count = sizeof (info);
+// OBSOLETE ret = task_info (inferior_task,
+// OBSOLETE TASK_BASIC_INFO,
+// OBSOLETE (task_info_t) & info,
+// OBSOLETE &info_count);
+// OBSOLETE CHK ("Task info", ret);
+// OBSOLETE
+// OBSOLETE if (info.suspend_count)
+// OBSOLETE break;
+// OBSOLETE
+// OBSOLETE /* Note that the definition of the parameter was undefined
+// OBSOLETE * at the time of this writing, so I just use an `ad hoc' value.
+// OBSOLETE */
+// OBSOLETE (void) swtch_pri (42); /* Universal Priority Value */
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Read the inferior's bootstrap port name */
+// OBSOLETE if (!mach3_read_inferior (&original_server_port_name,
+// OBSOLETE &original_server_port_name,
+// OBSOLETE sizeof (original_server_port_name)))
+// OBSOLETE error ("Can't read inferior task bootstrap port name");
+// OBSOLETE
+// OBSOLETE /* @@ BUG: If more than 1 send right GDB will FAIL!!! */
+// OBSOLETE /* Should get refs, and set them back when restoring */
+// OBSOLETE /* Steal the original bsd server send right from inferior */
+// OBSOLETE ret = mach_port_extract_right (inferior_task,
+// OBSOLETE original_server_port_name,
+// OBSOLETE MACH_MSG_TYPE_MOVE_SEND,
+// OBSOLETE &original_server_send,
+// OBSOLETE &acquired);
+// OBSOLETE CHK ("mach_port_extract_right (bsd server send)", ret);
+// OBSOLETE
+// OBSOLETE if (acquired != MACH_MSG_TYPE_PORT_SEND)
+// OBSOLETE error ("Incorrect right extracted, send right to bsd server expected");
+// OBSOLETE
+// OBSOLETE ret = mach_port_insert_right (inferior_task,
+// OBSOLETE original_server_port_name,
+// OBSOLETE fake_server,
+// OBSOLETE MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE CHK ("mach_port_insert_right (fake server send)", ret);
+// OBSOLETE
+// OBSOLETE xx_debug ("inferior task bsd server ports set up \nfs %x, ospn %x, oss %x\n",
+// OBSOLETE fake_server,
+// OBSOLETE original_server_port_name, original_server_send);
+// OBSOLETE
+// OBSOLETE /* A receive right to the reply generated by unix server exec() request */
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE &exec_reply);
+// OBSOLETE CHK ("create intercepted_reply_port port failed", ret);
+// OBSOLETE
+// OBSOLETE /* Pass this send right to Unix server so it replies to us after exec() */
+// OBSOLETE ret = mach_port_extract_right (mach_task_self (),
+// OBSOLETE exec_reply,
+// OBSOLETE MACH_MSG_TYPE_MAKE_SEND_ONCE,
+// OBSOLETE &exec_reply_send,
+// OBSOLETE &acquired);
+// OBSOLETE CHK ("mach_port_extract_right (exec_reply)", ret);
+// OBSOLETE
+// OBSOLETE if (acquired != MACH_MSG_TYPE_PORT_SEND_ONCE)
+// OBSOLETE error ("Incorrect right extracted, send once expected for exec reply");
+// OBSOLETE
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE fake_server,
+// OBSOLETE inferior_wait_port_set);
+// OBSOLETE CHK ("Moving fake syscall port to inferior_wait_port_set", ret);
+// OBSOLETE
+// OBSOLETE xx_debug ("syscall fake server set up, resuming inferior\n");
+// OBSOLETE
+// OBSOLETE ret = task_resume (inferior_task);
+// OBSOLETE CHK ("task_resume (startup)", ret);
+// OBSOLETE
+// OBSOLETE /* Read requests from the inferior.
+// OBSOLETE Pass directly through everything else except exec() calls.
+// OBSOLETE */
+// OBSOLETE while (exec_counter > 0)
+// OBSOLETE {
+// OBSOLETE ret = mach_msg (&syscall_in.header, /* header */
+// OBSOLETE MACH_RCV_MSG, /* options */
+// OBSOLETE 0, /* send size */
+// OBSOLETE sizeof (struct syscall_msg_t), /* receive size */
+// OBSOLETE inferior_wait_port_set, /* receive_name */
+// OBSOLETE MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE MACH_PORT_NULL);
+// OBSOLETE CHK ("mach_msg (intercepted sycall)", ret);
+// OBSOLETE
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE print_msg (&syscall_in.header);
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE /* ASSERT : msgh_local_port == fake_server */
+// OBSOLETE
+// OBSOLETE if (notify_server (&syscall_in.header, &syscall_out.header))
+// OBSOLETE error ("received a notify while intercepting syscalls");
+// OBSOLETE
+// OBSOLETE if (syscall_in.header.msgh_id == MIG_EXEC_SYSCALL_ID)
+// OBSOLETE {
+// OBSOLETE xx_debug ("Received EXEC SYSCALL, counter = %d\n", exec_counter);
+// OBSOLETE if (exec_counter == 1)
+// OBSOLETE {
+// OBSOLETE original_exec_reply = syscall_in.header.msgh_remote_port;
+// OBSOLETE syscall_in.header.msgh_remote_port = exec_reply_send;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (!terminal_initted)
+// OBSOLETE {
+// OBSOLETE /* Now that the child has exec'd we know it has already set its
+// OBSOLETE process group. On POSIX systems, tcsetpgrp will fail with
+// OBSOLETE EPERM if we try it before the child's setpgid. */
+// OBSOLETE
+// OBSOLETE /* Set up the "saved terminal modes" of the inferior
+// OBSOLETE based on what modes we are starting it with. */
+// OBSOLETE target_terminal_init ();
+// OBSOLETE
+// OBSOLETE /* Install inferior's terminal modes. */
+// OBSOLETE target_terminal_inferior ();
+// OBSOLETE
+// OBSOLETE terminal_initted = 1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE exec_counter--;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE syscall_in.header.msgh_local_port = syscall_in.header.msgh_remote_port;
+// OBSOLETE syscall_in.header.msgh_remote_port = original_server_send;
+// OBSOLETE
+// OBSOLETE reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_COPY_SEND);
+// OBSOLETE
+// OBSOLETE ret = mach_msg_send (&syscall_in.header);
+// OBSOLETE CHK ("Forwarded syscall", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE fake_server,
+// OBSOLETE MACH_PORT_NULL);
+// OBSOLETE CHK ("Moving fake syscall out of inferior_wait_port_set", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE exec_reply,
+// OBSOLETE inferior_wait_port_set);
+// OBSOLETE CHK ("Moving exec_reply to inferior_wait_port_set", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_msg (&syscall_in.header, /* header */
+// OBSOLETE MACH_RCV_MSG, /* options */
+// OBSOLETE 0, /* send size */
+// OBSOLETE sizeof (struct syscall_msg_t), /* receive size */
+// OBSOLETE inferior_wait_port_set, /* receive_name */
+// OBSOLETE MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE MACH_PORT_NULL);
+// OBSOLETE CHK ("mach_msg (exec reply)", ret);
+// OBSOLETE
+// OBSOLETE ret = task_suspend (inferior_task);
+// OBSOLETE CHK ("Suspending inferior after last exec", ret);
+// OBSOLETE
+// OBSOLETE must_suspend_thread = 0;
+// OBSOLETE
+// OBSOLETE xx_debug ("Received exec reply from bsd server, suspended inferior task\n");
+// OBSOLETE
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE print_msg (&syscall_in.header);
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE /* Message should appear as if it came from the unix server */
+// OBSOLETE syscall_in.header.msgh_local_port = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE /* and go to the inferior task original reply port */
+// OBSOLETE syscall_in.header.msgh_remote_port = original_exec_reply;
+// OBSOLETE
+// OBSOLETE reverse_msg_bits (&syscall_in.header, MACH_MSG_TYPE_MOVE_SEND_ONCE);
+// OBSOLETE
+// OBSOLETE ret = mach_msg_send (&syscall_in.header);
+// OBSOLETE CHK ("Forwarding exec reply to inferior", ret);
+// OBSOLETE
+// OBSOLETE /* Garbage collect */
+// OBSOLETE ret = mach_port_deallocate (inferior_task,
+// OBSOLETE original_server_port_name);
+// OBSOLETE CHK ("deallocating fake server send right", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_insert_right (inferior_task,
+// OBSOLETE original_server_port_name,
+// OBSOLETE original_server_send,
+// OBSOLETE MACH_MSG_TYPE_MOVE_SEND);
+// OBSOLETE CHK ("Restoring the original bsd server send right", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_destroy (mach_task_self (),
+// OBSOLETE fake_server);
+// OBSOLETE fake_server = MACH_PORT_DEAD;
+// OBSOLETE CHK ("mach_port_destroy (fake_server)", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_destroy (mach_task_self (),
+// OBSOLETE exec_reply);
+// OBSOLETE exec_reply = MACH_PORT_DEAD;
+// OBSOLETE CHK ("mach_port_destroy (exec_reply)", ret);
+// OBSOLETE
+// OBSOLETE xx_debug ("Done with exec call interception\n");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE consume_send_rights (thread_array_t thread_list, int thread_count)
+// OBSOLETE {
+// OBSOLETE int index;
+// OBSOLETE
+// OBSOLETE if (!thread_count)
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE /* Since thread kill command kills threads, don't check ret */
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (),
+// OBSOLETE thread_list[index]);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* suspend/abort/resume a thread. */
+// OBSOLETE setup_thread (mach_port_t thread, int what)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (what)
+// OBSOLETE {
+// OBSOLETE ret = thread_suspend (thread);
+// OBSOLETE CHK ("setup_thread thread_suspend", ret);
+// OBSOLETE
+// OBSOLETE ret = thread_abort (thread);
+// OBSOLETE CHK ("setup_thread thread_abort", ret);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE ret = thread_resume (thread);
+// OBSOLETE CHK ("setup_thread thread_resume", ret);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE map_slot_to_mid (int slot, thread_array_t threads, int thread_count)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int deallocate = 0;
+// OBSOLETE int index;
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE if (!threads)
+// OBSOLETE {
+// OBSOLETE deallocate++;
+// OBSOLETE ret = task_threads (inferior_task, &threads, &thread_count);
+// OBSOLETE CHK ("Can not select a thread from a dead task", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (slot < 0 || slot >= thread_count)
+// OBSOLETE {
+// OBSOLETE if (deallocate)
+// OBSOLETE {
+// OBSOLETE consume_send_rights (threads, thread_count);
+// OBSOLETE (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
+// OBSOLETE (thread_count * sizeof (mach_port_t)));
+// OBSOLETE }
+// OBSOLETE if (slot < 0)
+// OBSOLETE error ("invalid slot number");
+// OBSOLETE else
+// OBSOLETE return -(slot + 1);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (threads[slot], MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE if (deallocate)
+// OBSOLETE {
+// OBSOLETE consume_send_rights (threads, thread_count);
+// OBSOLETE (void) vm_deallocate (mach_task_self (), (vm_address_t) threads,
+// OBSOLETE (thread_count * sizeof (mach_port_t)));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static int
+// OBSOLETE parse_thread_id (char *arg, int thread_count, int slots)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int mid;
+// OBSOLETE int slot;
+// OBSOLETE int index;
+// OBSOLETE
+// OBSOLETE if (arg == 0)
+// OBSOLETE return 0;
+// OBSOLETE
+// OBSOLETE while (*arg && (*arg == ' ' || *arg == '\t'))
+// OBSOLETE arg++;
+// OBSOLETE
+// OBSOLETE if (!*arg)
+// OBSOLETE return 0;
+// OBSOLETE
+// OBSOLETE /* Currently parse MID and @SLOTNUMBER */
+// OBSOLETE if (*arg != '@')
+// OBSOLETE {
+// OBSOLETE mid = atoi (arg);
+// OBSOLETE if (mid <= 0)
+// OBSOLETE error ("valid thread mid expected");
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE arg++;
+// OBSOLETE slot = atoi (arg);
+// OBSOLETE
+// OBSOLETE if (slot < 0)
+// OBSOLETE error ("invalid slot number");
+// OBSOLETE
+// OBSOLETE /* If you want slot numbers to remain slot numbers, set slots.
+// OBSOLETE
+// OBSOLETE * Well, since 0 is reserved, return the ordinal number
+// OBSOLETE * of the thread rather than the slot number. Awk, this
+// OBSOLETE * counts as a kludge.
+// OBSOLETE */
+// OBSOLETE if (slots)
+// OBSOLETE return -(slot + 1);
+// OBSOLETE
+// OBSOLETE if (thread_count && slot >= thread_count)
+// OBSOLETE return -(slot + 1);
+// OBSOLETE
+// OBSOLETE mid = map_slot_to_mid (slot);
+// OBSOLETE
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* THREAD_ID 0 is special; it selects the first kernel
+// OBSOLETE * thread from the list (i.e. SLOTNUMBER 0)
+// OBSOLETE * This is used when starting the program with 'run' or when attaching.
+// OBSOLETE *
+// OBSOLETE * If FLAG is 0 the context is not changed, and the registers, frame, etc
+// OBSOLETE * will continue to describe the old thread.
+// OBSOLETE *
+// OBSOLETE * If FLAG is nonzero, really select the thread.
+// OBSOLETE * If FLAG is 2, the THREAD_ID is a slotnumber instead of a mid.
+// OBSOLETE *
+// OBSOLETE */
+// OBSOLETE kern_return_t
+// OBSOLETE select_thread (mach_port_t task, int thread_id, int flag)
+// OBSOLETE {
+// OBSOLETE thread_array_t thread_list;
+// OBSOLETE int thread_count;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int index;
+// OBSOLETE thread_t new_thread = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE if (thread_id < 0)
+// OBSOLETE error ("Can't select cprocs without kernel thread");
+// OBSOLETE
+// OBSOLETE ret = task_threads (task, &thread_list, &thread_count);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Can not select a thread from a dead task");
+// OBSOLETE m3_kill_inferior ();
+// OBSOLETE return KERN_FAILURE;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (thread_count == 0)
+// OBSOLETE {
+// OBSOLETE /* The task can not do anything anymore, but it still
+// OBSOLETE * exists as a container for memory and ports.
+// OBSOLETE */
+// OBSOLETE registers_changed ();
+// OBSOLETE warning ("Task %d has no threads",
+// OBSOLETE map_port_name_to_mid (task, MACH_TYPE_TASK));
+// OBSOLETE current_thread = MACH_PORT_NULL;
+// OBSOLETE (void) vm_deallocate (mach_task_self (),
+// OBSOLETE (vm_address_t) thread_list,
+// OBSOLETE (thread_count * sizeof (mach_port_t)));
+// OBSOLETE return KERN_FAILURE;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (!thread_id || flag == 2)
+// OBSOLETE {
+// OBSOLETE /* First thread or a slotnumber */
+// OBSOLETE if (!thread_id)
+// OBSOLETE new_thread = thread_list[0];
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE if (thread_id < thread_count)
+// OBSOLETE new_thread = thread_list[thread_id];
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE (void) vm_deallocate (mach_task_self (),
+// OBSOLETE (vm_address_t) thread_list,
+// OBSOLETE (thread_count * sizeof (mach_port_t)));
+// OBSOLETE error ("No such thread slot number : %d", thread_id);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE if (thread_id == map_port_name_to_mid (thread_list[index],
+// OBSOLETE MACH_TYPE_THREAD))
+// OBSOLETE {
+// OBSOLETE new_thread = thread_list[index];
+// OBSOLETE index = -1;
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (index != -1)
+// OBSOLETE error ("No thread with mid %d", thread_id);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Notify when the selected thread dies */
+// OBSOLETE request_notify (new_thread, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE ret = vm_deallocate (mach_task_self (),
+// OBSOLETE (vm_address_t) thread_list,
+// OBSOLETE (thread_count * sizeof (mach_port_t)));
+// OBSOLETE CHK ("vm_deallocate", ret);
+// OBSOLETE
+// OBSOLETE if (!flag)
+// OBSOLETE current_thread = new_thread;
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE #if 0
+// OBSOLETE if (MACH_PORT_VALID (current_thread))
+// OBSOLETE {
+// OBSOLETE /* Store the gdb's view of the thread we are deselecting
+// OBSOLETE
+// OBSOLETE * @@ I think gdb updates registers immediately when they are
+// OBSOLETE * changed, so don't do this.
+// OBSOLETE */
+// OBSOLETE ret = thread_abort (current_thread);
+// OBSOLETE CHK ("Could not abort system calls when saving state of old thread",
+// OBSOLETE ret);
+// OBSOLETE target_prepare_to_store ();
+// OBSOLETE target_store_registers (-1);
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE registers_changed ();
+// OBSOLETE
+// OBSOLETE current_thread = new_thread;
+// OBSOLETE
+// OBSOLETE ret = thread_abort (current_thread);
+// OBSOLETE CHK ("Could not abort system calls when selecting a thread", ret);
+// OBSOLETE
+// OBSOLETE stop_pc = read_pc ();
+// OBSOLETE flush_cached_frames ();
+// OBSOLETE
+// OBSOLETE select_frame (get_current_frame ());
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Switch to use thread named NEW_THREAD.
+// OBSOLETE * Return it's MID
+// OBSOLETE */
+// OBSOLETE int
+// OBSOLETE switch_to_thread (thread_t new_thread)
+// OBSOLETE {
+// OBSOLETE thread_t saved_thread = current_thread;
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (new_thread,
+// OBSOLETE MACH_TYPE_THREAD);
+// OBSOLETE if (mid == -1)
+// OBSOLETE warning ("Can't map thread name 0x%x to mid", new_thread);
+// OBSOLETE else if (select_thread (inferior_task, mid, 1) != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE if (current_thread)
+// OBSOLETE current_thread = saved_thread;
+// OBSOLETE error ("Could not select thread %d", mid);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Do this in gdb after doing FORK but before STARTUP_INFERIOR.
+// OBSOLETE * Note that the registers are not yet valid in the inferior task.
+// OBSOLETE */
+// OBSOLETE static int
+// OBSOLETE m3_trace_him (int pid)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE push_target (&m3_ops);
+// OBSOLETE
+// OBSOLETE inferior_task = task_by_pid (pid);
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE error ("Can not map Unix pid %d to Mach task", pid);
+// OBSOLETE
+// OBSOLETE /* Clean up previous notifications and create new ones */
+// OBSOLETE setup_notify_port (1);
+// OBSOLETE
+// OBSOLETE /* When notification appears, the inferior task has died */
+// OBSOLETE request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
+// OBSOLETE
+// OBSOLETE emulator_present = have_emulator_p (inferior_task);
+// OBSOLETE
+// OBSOLETE /* By default, select the first thread,
+// OBSOLETE * If task has no threads, gives a warning
+// OBSOLETE * Does not fetch registers, since they are not yet valid.
+// OBSOLETE */
+// OBSOLETE select_thread (inferior_task, 0, 0);
+// OBSOLETE
+// OBSOLETE inferior_exception_port = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE setup_exception_port ();
+// OBSOLETE
+// OBSOLETE xx_debug ("Now the debugged task is created\n");
+// OBSOLETE
+// OBSOLETE /* One trap to exec the shell, one to exec the program being debugged. */
+// OBSOLETE intercept_exec_calls (2);
+// OBSOLETE
+// OBSOLETE return pid;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE setup_exception_port (void)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE &inferior_exception_port);
+// OBSOLETE CHK ("mach_port_allocate", ret);
+// OBSOLETE
+// OBSOLETE /* add send right */
+// OBSOLETE ret = mach_port_insert_right (mach_task_self (),
+// OBSOLETE inferior_exception_port,
+// OBSOLETE inferior_exception_port,
+// OBSOLETE MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE CHK ("mach_port_insert_right", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE inferior_exception_port,
+// OBSOLETE inferior_wait_port_set);
+// OBSOLETE CHK ("mach_port_move_member", ret);
+// OBSOLETE
+// OBSOLETE ret = task_get_special_port (inferior_task,
+// OBSOLETE TASK_EXCEPTION_PORT,
+// OBSOLETE &inferior_old_exception_port);
+// OBSOLETE CHK ("task_get_special_port(old exc)", ret);
+// OBSOLETE
+// OBSOLETE ret = task_set_special_port (inferior_task,
+// OBSOLETE TASK_EXCEPTION_PORT,
+// OBSOLETE inferior_exception_port);
+// OBSOLETE CHK ("task_set_special_port", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE inferior_exception_port);
+// OBSOLETE CHK ("mack_port_deallocate", ret);
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE /* When notify appears, the inferior_task's exception
+// OBSOLETE * port has been destroyed.
+// OBSOLETE *
+// OBSOLETE * Not used, since the dead_name_notification already
+// OBSOLETE * appears when task dies.
+// OBSOLETE *
+// OBSOLETE */
+// OBSOLETE request_notify (inferior_exception_port,
+// OBSOLETE MACH_NOTIFY_NO_SENDERS,
+// OBSOLETE MACH_TYPE_EXCEPTION_PORT);
+// OBSOLETE #endif
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Nonzero if gdb is waiting for a message */
+// OBSOLETE int mach_really_waiting;
+// OBSOLETE
+// OBSOLETE /* Wait for the inferior to stop for some reason.
+// OBSOLETE - Loop on notifications until inferior_task dies.
+// OBSOLETE - Loop on exceptions until stopped_in_exception comes true.
+// OBSOLETE (e.g. we receive a single step trace trap)
+// OBSOLETE - a message arrives to gdb's message port
+// OBSOLETE
+// OBSOLETE There is no other way to exit this loop.
+// OBSOLETE
+// OBSOLETE Returns the inferior_ptid for rest of gdb.
+// OBSOLETE Side effects: Set *OURSTATUS. */
+// OBSOLETE ptid_t
+// OBSOLETE mach_really_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int w;
+// OBSOLETE
+// OBSOLETE struct msg
+// OBSOLETE {
+// OBSOLETE mach_msg_header_t header;
+// OBSOLETE mach_msg_type_t foo;
+// OBSOLETE int data[8000];
+// OBSOLETE }
+// OBSOLETE in_msg, out_msg;
+// OBSOLETE
+// OBSOLETE /* Either notify (death), exception or message can stop the inferior */
+// OBSOLETE stopped_in_exception = FALSE;
+// OBSOLETE
+// OBSOLETE while (1)
+// OBSOLETE {
+// OBSOLETE QUIT;
+// OBSOLETE
+// OBSOLETE stop_exception = stop_code = stop_subcode = -1;
+// OBSOLETE stop_thread = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE mach_really_waiting = 1;
+// OBSOLETE ret = mach_msg (&in_msg.header, /* header */
+// OBSOLETE MACH_RCV_MSG, /* options */
+// OBSOLETE 0, /* send size */
+// OBSOLETE sizeof (struct msg), /* receive size */
+// OBSOLETE currently_waiting_for, /* receive name */
+// OBSOLETE MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE MACH_PORT_NULL);
+// OBSOLETE mach_really_waiting = 0;
+// OBSOLETE CHK ("mach_msg (receive)", ret);
+// OBSOLETE
+// OBSOLETE /* Check if we received a notify of the childs' death */
+// OBSOLETE if (notify_server (&in_msg.header, &out_msg.header))
+// OBSOLETE {
+// OBSOLETE /* If inferior_task is null then the inferior has
+// OBSOLETE gone away and we want to return to command level.
+// OBSOLETE Otherwise it was just an informative message and we
+// OBSOLETE need to look to see if there are any more. */
+// OBSOLETE if (inferior_task != MACH_PORT_NULL)
+// OBSOLETE continue;
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* Collect Unix exit status for gdb */
+// OBSOLETE
+// OBSOLETE wait3 (&w, WNOHANG, 0);
+// OBSOLETE
+// OBSOLETE /* This mess is here to check that the rest of
+// OBSOLETE * gdb knows that the inferior died. It also
+// OBSOLETE * tries to hack around the fact that Mach 3.0 (mk69)
+// OBSOLETE * unix server (ux28) does not always know what
+// OBSOLETE * has happened to it's children when mach-magic
+// OBSOLETE * is applied on them.
+// OBSOLETE */
+// OBSOLETE if ((!WIFEXITED (w) && WIFSTOPPED (w)) ||
+// OBSOLETE (WIFEXITED (w) && WEXITSTATUS (w) > 0377))
+// OBSOLETE {
+// OBSOLETE WSETEXIT (w, 0);
+// OBSOLETE warning ("Using exit value 0 for terminated task");
+// OBSOLETE }
+// OBSOLETE else if (!WIFEXITED (w))
+// OBSOLETE {
+// OBSOLETE int sig = WTERMSIG (w);
+// OBSOLETE
+// OBSOLETE /* Signals cause problems. Warn the user. */
+// OBSOLETE if (sig != SIGKILL) /* Bad luck if garbage matches this */
+// OBSOLETE warning ("The terminating signal stuff may be nonsense");
+// OBSOLETE else if (sig > NSIG)
+// OBSOLETE {
+// OBSOLETE WSETEXIT (w, 0);
+// OBSOLETE warning ("Using exit value 0 for terminated task");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE store_waitstatus (ourstatus, w);
+// OBSOLETE return inferior_ptid;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Hmm. Check for exception, as it was not a notification.
+// OBSOLETE exc_server() does an upcall to catch_exception_raise()
+// OBSOLETE if this rpc is an exception. Further actions are decided
+// OBSOLETE there.
+// OBSOLETE */
+// OBSOLETE if (!exc_server (&in_msg.header, &out_msg.header))
+// OBSOLETE {
+// OBSOLETE
+// OBSOLETE /* Not an exception, check for message.
+// OBSOLETE
+// OBSOLETE * Messages don't come from the inferior, or if they
+// OBSOLETE * do they better be asynchronous or it will hang.
+// OBSOLETE */
+// OBSOLETE if (gdb_message_server (&in_msg.header))
+// OBSOLETE continue;
+// OBSOLETE
+// OBSOLETE error ("Unrecognized message received in mach_really_wait");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Send the reply of the exception rpc to the suspended task */
+// OBSOLETE ret = mach_msg_send (&out_msg.header);
+// OBSOLETE CHK ("mach_msg_send (exc reply)", ret);
+// OBSOLETE
+// OBSOLETE if (stopped_in_exception)
+// OBSOLETE {
+// OBSOLETE /* Get unix state. May be changed in mach3_exception_actions() */
+// OBSOLETE wait3 (&w, WNOHANG, 0);
+// OBSOLETE
+// OBSOLETE mach3_exception_actions (&w, FALSE, "Task");
+// OBSOLETE
+// OBSOLETE store_waitstatus (ourstatus, w);
+// OBSOLETE return inferior_ptid;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Called by macro DO_QUIT() in utils.c(quit).
+// OBSOLETE * This is called just before calling error() to return to command level
+// OBSOLETE */
+// OBSOLETE void
+// OBSOLETE mach3_quit (void)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (mach_really_waiting)
+// OBSOLETE {
+// OBSOLETE ret = task_suspend (inferior_task);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Could not suspend task for interrupt: %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE mach_really_waiting = 0;
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE must_suspend_thread = 0;
+// OBSOLETE mach_really_waiting = 0;
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE if (mid == -1)
+// OBSOLETE {
+// OBSOLETE warning ("Selecting first existing kernel thread");
+// OBSOLETE mid = 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE current_thread = MACH_PORT_NULL; /* Force setup */
+// OBSOLETE select_thread (inferior_task, mid, 1);
+// OBSOLETE
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE /* bogus bogus bogus. It is NOT OK to quit out of target_wait. */
+// OBSOLETE
+// OBSOLETE /* If ^C is typed when we are waiting for a message
+// OBSOLETE * and your Unix server is able to notice that we
+// OBSOLETE * should quit now.
+// OBSOLETE *
+// OBSOLETE * Called by REQUEST_QUIT() from utils.c(request_quit)
+// OBSOLETE */
+// OBSOLETE void
+// OBSOLETE mach3_request_quit (void)
+// OBSOLETE {
+// OBSOLETE if (mach_really_waiting)
+// OBSOLETE immediate_quit = 1;
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Gdb message server.
+// OBSOLETE * Currently implemented is the STOP message, that causes
+// OBSOLETE * gdb to return to the command level like ^C had been typed from terminal.
+// OBSOLETE */
+// OBSOLETE int
+// OBSOLETE gdb_message_server (mach_msg_header_t *InP)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE if (InP->msgh_local_port == our_message_port)
+// OBSOLETE {
+// OBSOLETE /* A message coming to our_message_port. Check validity */
+// OBSOLETE switch (InP->msgh_id)
+// OBSOLETE {
+// OBSOLETE
+// OBSOLETE case GDB_MESSAGE_ID_STOP:
+// OBSOLETE ret = task_suspend (inferior_task);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("Could not suspend task for stop message: %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE
+// OBSOLETE /* QUIT in mach_really_wait() loop. */
+// OBSOLETE request_quit (0);
+// OBSOLETE break;
+// OBSOLETE
+// OBSOLETE default:
+// OBSOLETE warning ("Invalid message id %d received, ignored.",
+// OBSOLETE InP->msgh_id);
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return 1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Message not handled by this server */
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* NOTE: This is not an RPC call. It is a simpleroutine.
+// OBSOLETE
+// OBSOLETE * This is not called from this gdb code.
+// OBSOLETE *
+// OBSOLETE * It may be called by another debugger to cause this
+// OBSOLETE * debugger to enter command level:
+// OBSOLETE *
+// OBSOLETE * (gdb) set stop_inferior_gdb ()
+// OBSOLETE * (gdb) continue
+// OBSOLETE *
+// OBSOLETE * External program "stop-gdb" implements this also.
+// OBSOLETE */
+// OBSOLETE void
+// OBSOLETE stop_inferior_gdb (void)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE /* Code generated by mig, with minor cleanups :-)
+// OBSOLETE
+// OBSOLETE * simpleroutine stop_inferior_gdb (our_message_port : mach_port_t);
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE typedef struct
+// OBSOLETE {
+// OBSOLETE mach_msg_header_t Head;
+// OBSOLETE }
+// OBSOLETE Request;
+// OBSOLETE
+// OBSOLETE Request Mess;
+// OBSOLETE
+// OBSOLETE register Request *InP = &Mess;
+// OBSOLETE
+// OBSOLETE InP->Head.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND, 0);
+// OBSOLETE
+// OBSOLETE /* msgh_size passed as argument */
+// OBSOLETE InP->Head.msgh_remote_port = our_message_port;
+// OBSOLETE InP->Head.msgh_local_port = MACH_PORT_NULL;
+// OBSOLETE InP->Head.msgh_seqno = 0;
+// OBSOLETE InP->Head.msgh_id = GDB_MESSAGE_ID_STOP;
+// OBSOLETE
+// OBSOLETE ret = mach_msg (&InP->Head,
+// OBSOLETE MACH_SEND_MSG | MACH_MSG_OPTION_NONE,
+// OBSOLETE sizeof (Request),
+// OBSOLETE 0,
+// OBSOLETE MACH_PORT_NULL,
+// OBSOLETE MACH_MSG_TIMEOUT_NONE,
+// OBSOLETE MACH_PORT_NULL);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #ifdef THREAD_ALLOWED_TO_BREAK
+// OBSOLETE /*
+// OBSOLETE * Return 1 if the MID specifies the thread that caused the
+// OBSOLETE * last exception.
+// OBSOLETE * Since catch_exception_raise() selects the thread causing
+// OBSOLETE * the last exception to current_thread, we just check that
+// OBSOLETE * it is selected and the last exception was a breakpoint.
+// OBSOLETE */
+// OBSOLETE int
+// OBSOLETE mach_thread_for_breakpoint (int mid)
+// OBSOLETE {
+// OBSOLETE int cmid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE if (mid < 0)
+// OBSOLETE {
+// OBSOLETE mid = map_slot_to_mid (-(mid + 1), 0, 0);
+// OBSOLETE if (mid < 0)
+// OBSOLETE return 0; /* Don't stop, no such slot */
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (!mid || cmid == -1)
+// OBSOLETE return 1; /* stop */
+// OBSOLETE
+// OBSOLETE return cmid == mid && stop_exception == EXC_BREAKPOINT;
+// OBSOLETE }
+// OBSOLETE #endif /* THREAD_ALLOWED_TO_BREAK */
+// OBSOLETE
+// OBSOLETE #ifdef THREAD_PARSE_ID
+// OBSOLETE /*
+// OBSOLETE * Map a thread id string (MID or a @SLOTNUMBER)
+// OBSOLETE * to a thread-id.
+// OBSOLETE *
+// OBSOLETE * 0 matches all threads.
+// OBSOLETE * Otherwise the meaning is defined only in this file.
+// OBSOLETE * (mach_thread_for_breakpoint uses it)
+// OBSOLETE *
+// OBSOLETE * @@ This allows non-existent MIDs to be specified.
+// OBSOLETE * It now also allows non-existent slots to be
+// OBSOLETE * specified. (Slot numbers stored are negative,
+// OBSOLETE * and the magnitude is one greater than the actual
+// OBSOLETE * slot index. (Since 0 is reserved))
+// OBSOLETE */
+// OBSOLETE int
+// OBSOLETE mach_thread_parse_id (char *arg)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE if (arg == 0)
+// OBSOLETE error ("thread id expected");
+// OBSOLETE mid = parse_thread_id (arg, 0, 1);
+// OBSOLETE
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE #endif /* THREAD_PARSE_ID */
+// OBSOLETE
+// OBSOLETE #ifdef THREAD_OUTPUT_ID
+// OBSOLETE char *
+// OBSOLETE mach_thread_output_id (int mid)
+// OBSOLETE {
+// OBSOLETE static char foobar[20];
+// OBSOLETE
+// OBSOLETE if (mid > 0)
+// OBSOLETE sprintf (foobar, "mid %d", mid);
+// OBSOLETE else if (mid < 0)
+// OBSOLETE sprintf (foobar, "@%d", -(mid + 1));
+// OBSOLETE else
+// OBSOLETE sprintf (foobar, "*any thread*");
+// OBSOLETE
+// OBSOLETE return foobar;
+// OBSOLETE }
+// OBSOLETE #endif /* THREAD_OUTPUT_ID */
+// OBSOLETE
+// OBSOLETE /* Called with hook PREPARE_TO_PROCEED() from infrun.c.
+// OBSOLETE
+// OBSOLETE * If we have switched threads and stopped at breakpoint return 1 otherwise 0.
+// OBSOLETE *
+// OBSOLETE * if SELECT_IT is nonzero, reselect the thread that was active when
+// OBSOLETE * we stopped at a breakpoint.
+// OBSOLETE *
+// OBSOLETE * Note that this implementation is potentially redundant now that
+// OBSOLETE * default_prepare_to_proceed() has been added.
+// OBSOLETE *
+// OBSOLETE * FIXME This may not support switching threads after Ctrl-C
+// OBSOLETE * correctly. The default implementation does support this.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE mach3_prepare_to_proceed (int select_it)
+// OBSOLETE {
+// OBSOLETE if (stop_thread &&
+// OBSOLETE stop_thread != current_thread &&
+// OBSOLETE stop_exception == EXC_BREAKPOINT)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE if (!select_it)
+// OBSOLETE return 1;
+// OBSOLETE
+// OBSOLETE mid = switch_to_thread (stop_thread);
+// OBSOLETE
+// OBSOLETE return 1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* this stuff here is an upcall via libmach/excServer.c
+// OBSOLETE and mach_really_wait which does the actual upcall.
+// OBSOLETE
+// OBSOLETE The code will pass the exception to the inferior if:
+// OBSOLETE
+// OBSOLETE - The task that signaled is not the inferior task
+// OBSOLETE (e.g. when debugging another debugger)
+// OBSOLETE
+// OBSOLETE - The user has explicitely requested to pass on the exceptions.
+// OBSOLETE (e.g to the default unix exception handler, which maps
+// OBSOLETE exceptions to signals, or the user has her own exception handler)
+// OBSOLETE
+// OBSOLETE - If the thread that signaled is being single-stepped and it
+// OBSOLETE has set it's own exception port and the exception is not
+// OBSOLETE EXC_BREAKPOINT. (Maybe this is not desirable?)
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE catch_exception_raise (mach_port_t port, thread_t thread, task_t task,
+// OBSOLETE int exception, int code, int subcode)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE boolean_t signal_thread;
+// OBSOLETE int mid = map_port_name_to_mid (thread, MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (thread))
+// OBSOLETE {
+// OBSOLETE /* If the exception was sent and thread dies before we
+// OBSOLETE receive it, THREAD will be MACH_PORT_DEAD
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE current_thread = thread = MACH_PORT_NULL;
+// OBSOLETE error ("Received exception from nonexistent thread");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Check if the task died in transit.
+// OBSOLETE * @@ Isn't the thread also invalid in such case?
+// OBSOLETE */
+// OBSOLETE if (!MACH_PORT_VALID (task))
+// OBSOLETE {
+// OBSOLETE current_thread = thread = MACH_PORT_NULL;
+// OBSOLETE error ("Received exception from nonexistent task");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (exception < 0 || exception > MAX_EXCEPTION)
+// OBSOLETE internal_error (__FILE__, __LINE__,
+// OBSOLETE "catch_exception_raise: unknown exception code %d thread %d",
+// OBSOLETE exception,
+// OBSOLETE mid);
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE error ("got an exception, but inferior_task is null or dead");
+// OBSOLETE
+// OBSOLETE stop_exception = exception;
+// OBSOLETE stop_code = code;
+// OBSOLETE stop_subcode = subcode;
+// OBSOLETE stop_thread = thread;
+// OBSOLETE
+// OBSOLETE signal_thread = exception != EXC_BREAKPOINT &&
+// OBSOLETE port == singlestepped_thread_port &&
+// OBSOLETE MACH_PORT_VALID (thread_saved_exception_port);
+// OBSOLETE
+// OBSOLETE /* If it was not our inferior or if we want to forward
+// OBSOLETE * the exception to the inferior's handler, do it here
+// OBSOLETE *
+// OBSOLETE * Note: If you have forwarded EXC_BREAKPOINT I trust you know why.
+// OBSOLETE */
+// OBSOLETE if (task != inferior_task ||
+// OBSOLETE signal_thread ||
+// OBSOLETE exception_map[exception].forward)
+// OBSOLETE {
+// OBSOLETE mach_port_t eport = inferior_old_exception_port;
+// OBSOLETE
+// OBSOLETE if (signal_thread)
+// OBSOLETE {
+// OBSOLETE /*
+// OBSOLETE GDB now forwards the exeption to thread's original handler,
+// OBSOLETE since the user propably knows what he is doing.
+// OBSOLETE Give a message, though.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE mach3_exception_actions ((WAITTYPE *) NULL, TRUE, "Thread");
+// OBSOLETE eport = thread_saved_exception_port;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Send the exception to the original handler */
+// OBSOLETE ret = exception_raise (eport,
+// OBSOLETE thread,
+// OBSOLETE task,
+// OBSOLETE exception,
+// OBSOLETE code,
+// OBSOLETE subcode);
+// OBSOLETE
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (), task);
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (), thread);
+// OBSOLETE
+// OBSOLETE /* If we come here, we don't want to trace any more, since we
+// OBSOLETE * will never stop for tracing anyway.
+// OBSOLETE */
+// OBSOLETE discard_single_step (thread);
+// OBSOLETE
+// OBSOLETE /* Do not stop the inferior */
+// OBSOLETE return ret;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Now gdb handles the exception */
+// OBSOLETE stopped_in_exception = TRUE;
+// OBSOLETE
+// OBSOLETE ret = task_suspend (task);
+// OBSOLETE CHK ("Error suspending inferior after exception", ret);
+// OBSOLETE
+// OBSOLETE must_suspend_thread = 0;
+// OBSOLETE
+// OBSOLETE if (current_thread != thread)
+// OBSOLETE {
+// OBSOLETE if (MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE /* Cleanup discards single stepping */
+// OBSOLETE error ("Exception from thread %d while singlestepping thread %d",
+// OBSOLETE mid,
+// OBSOLETE map_port_name_to_mid (current_thread, MACH_TYPE_THREAD));
+// OBSOLETE
+// OBSOLETE /* Then select the thread that caused the exception */
+// OBSOLETE if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
+// OBSOLETE error ("Could not select thread %d causing exception", mid);
+// OBSOLETE else
+// OBSOLETE warning ("Gdb selected thread %d", mid);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If we receive an exception that is not breakpoint
+// OBSOLETE * exception, we interrupt the single step and return to
+// OBSOLETE * debugger. Trace condition is cleared.
+// OBSOLETE */
+// OBSOLETE if (MACH_PORT_VALID (singlestepped_thread_port))
+// OBSOLETE {
+// OBSOLETE if (stop_exception != EXC_BREAKPOINT)
+// OBSOLETE warning ("Single step interrupted by exception");
+// OBSOLETE else if (port == singlestepped_thread_port)
+// OBSOLETE {
+// OBSOLETE /* Single step exception occurred, remove trace bit
+// OBSOLETE * and return to gdb.
+// OBSOLETE */
+// OBSOLETE if (!MACH_PORT_VALID (current_thread))
+// OBSOLETE error ("Single stepped thread is not valid");
+// OBSOLETE
+// OBSOLETE /* Resume threads, but leave the task suspended */
+// OBSOLETE resume_all_threads (0);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE warning ("Breakpoint while single stepping?");
+// OBSOLETE
+// OBSOLETE discard_single_step (current_thread);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (), task);
+// OBSOLETE (void) mach_port_deallocate (mach_task_self (), thread);
+// OBSOLETE
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE int
+// OBSOLETE port_valid (mach_port_t port, int mask)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE mach_port_type_t type;
+// OBSOLETE
+// OBSOLETE ret = mach_port_type (mach_task_self (),
+// OBSOLETE port,
+// OBSOLETE &type);
+// OBSOLETE if (ret != KERN_SUCCESS || (type & mask) != mask)
+// OBSOLETE return 0;
+// OBSOLETE return 1;
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* @@ No vm read cache implemented yet */
+// OBSOLETE boolean_t vm_read_cache_valid = FALSE;
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Read inferior task's LEN bytes from ADDR and copy it to MYADDR
+// OBSOLETE * in gdb's address space.
+// OBSOLETE *
+// OBSOLETE * Return 0 on failure; number of bytes read otherwise.
+// OBSOLETE */
+// OBSOLETE int
+// OBSOLETE mach3_read_inferior (CORE_ADDR addr, char *myaddr, int length)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE vm_address_t low_address = (vm_address_t) trunc_page (addr);
+// OBSOLETE vm_size_t aligned_length =
+// OBSOLETE (vm_size_t) round_page (addr + length) - low_address;
+// OBSOLETE pointer_t copied_memory;
+// OBSOLETE int copy_count;
+// OBSOLETE
+// OBSOLETE /* Get memory from inferior with page aligned addresses */
+// OBSOLETE ret = vm_read (inferior_task,
+// OBSOLETE low_address,
+// OBSOLETE aligned_length,
+// OBSOLETE &copied_memory,
+// OBSOLETE ©_count);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE /* the problem is that the inferior might be killed for whatever reason
+// OBSOLETE * before we go to mach_really_wait. This is one place that ought to
+// OBSOLETE * catch many of those errors.
+// OBSOLETE * @@ A better fix would be to make all external events to GDB
+// OBSOLETE * to arrive via a SINGLE port set. (Including user input!)
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE if (!port_valid (inferior_task, MACH_PORT_TYPE_SEND))
+// OBSOLETE {
+// OBSOLETE m3_kill_inferior ();
+// OBSOLETE error ("Inferior killed (task port invalid)");
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE #ifdef OSF
+// OBSOLETE extern int errno;
+// OBSOLETE /* valprint.c gives nicer format if this does not
+// OBSOLETE screw it. Eamonn seems to like this, so I enable
+// OBSOLETE it if OSF is defined...
+// OBSOLETE */
+// OBSOLETE warning ("[read inferior %x failed: %s]",
+// OBSOLETE addr, mach_error_string (ret));
+// OBSOLETE errno = 0;
+// OBSOLETE #endif
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE memcpy (myaddr, (char *) addr - low_address + copied_memory, length);
+// OBSOLETE
+// OBSOLETE ret = vm_deallocate (mach_task_self (),
+// OBSOLETE copied_memory,
+// OBSOLETE copy_count);
+// OBSOLETE CHK ("mach3_read_inferior vm_deallocate failed", ret);
+// OBSOLETE
+// OBSOLETE return length;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #define CHK_GOTO_OUT(str,ret) \
+// OBSOLETE do if (ret != KERN_SUCCESS) { errstr = #str; goto out; } while(0)
+// OBSOLETE
+// OBSOLETE struct vm_region_list
+// OBSOLETE {
+// OBSOLETE struct vm_region_list *next;
+// OBSOLETE vm_prot_t protection;
+// OBSOLETE vm_address_t start;
+// OBSOLETE vm_size_t length;
+// OBSOLETE };
+// OBSOLETE
+// OBSOLETE struct obstack region_obstack;
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Write inferior task's LEN bytes from ADDR and copy it to MYADDR
+// OBSOLETE * in gdb's address space.
+// OBSOLETE */
+// OBSOLETE int
+// OBSOLETE mach3_write_inferior (CORE_ADDR addr, char *myaddr, int length)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE vm_address_t low_address = (vm_address_t) trunc_page (addr);
+// OBSOLETE vm_size_t aligned_length =
+// OBSOLETE (vm_size_t) round_page (addr + length) - low_address;
+// OBSOLETE pointer_t copied_memory;
+// OBSOLETE int copy_count;
+// OBSOLETE int deallocate = 0;
+// OBSOLETE
+// OBSOLETE char *errstr = "Bug in mach3_write_inferior";
+// OBSOLETE
+// OBSOLETE struct vm_region_list *region_element;
+// OBSOLETE struct vm_region_list *region_head = (struct vm_region_list *) NULL;
+// OBSOLETE
+// OBSOLETE /* Get memory from inferior with page aligned addresses */
+// OBSOLETE ret = vm_read (inferior_task,
+// OBSOLETE low_address,
+// OBSOLETE aligned_length,
+// OBSOLETE &copied_memory,
+// OBSOLETE ©_count);
+// OBSOLETE CHK_GOTO_OUT ("mach3_write_inferior vm_read failed", ret);
+// OBSOLETE
+// OBSOLETE deallocate++;
+// OBSOLETE
+// OBSOLETE memcpy ((char *) addr - low_address + copied_memory, myaddr, length);
+// OBSOLETE
+// OBSOLETE obstack_init (®ion_obstack);
+// OBSOLETE
+// OBSOLETE /* Do writes atomically.
+// OBSOLETE * First check for holes and unwritable memory.
+// OBSOLETE */
+// OBSOLETE {
+// OBSOLETE vm_size_t remaining_length = aligned_length;
+// OBSOLETE vm_address_t region_address = low_address;
+// OBSOLETE
+// OBSOLETE struct vm_region_list *scan;
+// OBSOLETE
+// OBSOLETE while (region_address < low_address + aligned_length)
+// OBSOLETE {
+// OBSOLETE vm_prot_t protection;
+// OBSOLETE vm_prot_t max_protection;
+// OBSOLETE vm_inherit_t inheritance;
+// OBSOLETE boolean_t shared;
+// OBSOLETE mach_port_t object_name;
+// OBSOLETE vm_offset_t offset;
+// OBSOLETE vm_size_t region_length = remaining_length;
+// OBSOLETE vm_address_t old_address = region_address;
+// OBSOLETE
+// OBSOLETE ret = vm_region (inferior_task,
+// OBSOLETE ®ion_address,
+// OBSOLETE ®ion_length,
+// OBSOLETE &protection,
+// OBSOLETE &max_protection,
+// OBSOLETE &inheritance,
+// OBSOLETE &shared,
+// OBSOLETE &object_name,
+// OBSOLETE &offset);
+// OBSOLETE CHK_GOTO_OUT ("vm_region failed", ret);
+// OBSOLETE
+// OBSOLETE /* Check for holes in memory */
+// OBSOLETE if (old_address != region_address)
+// OBSOLETE {
+// OBSOLETE warning ("No memory at 0x%x. Nothing written",
+// OBSOLETE old_address);
+// OBSOLETE ret = KERN_SUCCESS;
+// OBSOLETE length = 0;
+// OBSOLETE goto out;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (!(max_protection & VM_PROT_WRITE))
+// OBSOLETE {
+// OBSOLETE warning ("Memory at address 0x%x is unwritable. Nothing written",
+// OBSOLETE old_address);
+// OBSOLETE ret = KERN_SUCCESS;
+// OBSOLETE length = 0;
+// OBSOLETE goto out;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Chain the regions for later use */
+// OBSOLETE region_element =
+// OBSOLETE (struct vm_region_list *)
+// OBSOLETE obstack_alloc (®ion_obstack, sizeof (struct vm_region_list));
+// OBSOLETE
+// OBSOLETE region_element->protection = protection;
+// OBSOLETE region_element->start = region_address;
+// OBSOLETE region_element->length = region_length;
+// OBSOLETE
+// OBSOLETE /* Chain the regions along with protections */
+// OBSOLETE region_element->next = region_head;
+// OBSOLETE region_head = region_element;
+// OBSOLETE
+// OBSOLETE region_address += region_length;
+// OBSOLETE remaining_length = remaining_length - region_length;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If things fail after this, we give up.
+// OBSOLETE * Somebody is messing up inferior_task's mappings.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE /* Enable writes to the chained vm regions */
+// OBSOLETE for (scan = region_head; scan; scan = scan->next)
+// OBSOLETE {
+// OBSOLETE boolean_t protection_changed = FALSE;
+// OBSOLETE
+// OBSOLETE if (!(scan->protection & VM_PROT_WRITE))
+// OBSOLETE {
+// OBSOLETE ret = vm_protect (inferior_task,
+// OBSOLETE scan->start,
+// OBSOLETE scan->length,
+// OBSOLETE FALSE,
+// OBSOLETE scan->protection | VM_PROT_WRITE);
+// OBSOLETE CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = vm_write (inferior_task,
+// OBSOLETE low_address,
+// OBSOLETE copied_memory,
+// OBSOLETE aligned_length);
+// OBSOLETE CHK_GOTO_OUT ("vm_write failed", ret);
+// OBSOLETE
+// OBSOLETE /* Set up the original region protections, if they were changed */
+// OBSOLETE for (scan = region_head; scan; scan = scan->next)
+// OBSOLETE {
+// OBSOLETE boolean_t protection_changed = FALSE;
+// OBSOLETE
+// OBSOLETE if (!(scan->protection & VM_PROT_WRITE))
+// OBSOLETE {
+// OBSOLETE ret = vm_protect (inferior_task,
+// OBSOLETE scan->start,
+// OBSOLETE scan->length,
+// OBSOLETE FALSE,
+// OBSOLETE scan->protection);
+// OBSOLETE CHK_GOTO_OUT ("vm_protect: enable write failed", ret);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE out:
+// OBSOLETE if (deallocate)
+// OBSOLETE {
+// OBSOLETE obstack_free (®ion_obstack, 0);
+// OBSOLETE
+// OBSOLETE (void) vm_deallocate (mach_task_self (),
+// OBSOLETE copied_memory,
+// OBSOLETE copy_count);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("%s %s", errstr, mach_error_string (ret));
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return length;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Return 0 on failure, number of bytes handled otherwise. TARGET is
+// OBSOLETE ignored. */
+// OBSOLETE static int
+// OBSOLETE m3_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+// OBSOLETE struct target_ops *target)
+// OBSOLETE {
+// OBSOLETE int result;
+// OBSOLETE
+// OBSOLETE if (write)
+// OBSOLETE result = mach3_write_inferior (memaddr, myaddr, len);
+// OBSOLETE else
+// OBSOLETE result = mach3_read_inferior (memaddr, myaddr, len);
+// OBSOLETE
+// OBSOLETE return result;
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE static char *
+// OBSOLETE translate_state (int state)
+// OBSOLETE {
+// OBSOLETE switch (state)
+// OBSOLETE {
+// OBSOLETE case TH_STATE_RUNNING:
+// OBSOLETE return ("R");
+// OBSOLETE case TH_STATE_STOPPED:
+// OBSOLETE return ("S");
+// OBSOLETE case TH_STATE_WAITING:
+// OBSOLETE return ("W");
+// OBSOLETE case TH_STATE_UNINTERRUPTIBLE:
+// OBSOLETE return ("U");
+// OBSOLETE case TH_STATE_HALTED:
+// OBSOLETE return ("H");
+// OBSOLETE default:
+// OBSOLETE return ("?");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static char *
+// OBSOLETE translate_cstate (int state)
+// OBSOLETE {
+// OBSOLETE switch (state)
+// OBSOLETE {
+// OBSOLETE case CPROC_RUNNING:
+// OBSOLETE return "R";
+// OBSOLETE case CPROC_SWITCHING:
+// OBSOLETE return "S";
+// OBSOLETE case CPROC_BLOCKED:
+// OBSOLETE return "B";
+// OBSOLETE case CPROC_CONDWAIT:
+// OBSOLETE return "C";
+// OBSOLETE case CPROC_CONDWAIT | CPROC_SWITCHING:
+// OBSOLETE return "CS";
+// OBSOLETE default:
+// OBSOLETE return "?";
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* type == MACH_MSG_TYPE_COPY_SEND || type == MACH_MSG_TYPE_MAKE_SEND */
+// OBSOLETE
+// OBSOLETE mach_port_t /* no mach_port_name_t found in include files. */
+// OBSOLETE map_inferior_port_name (mach_port_t inferior_name, mach_msg_type_name_t type)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE mach_msg_type_name_t acquired;
+// OBSOLETE mach_port_t iport;
+// OBSOLETE
+// OBSOLETE ret = mach_port_extract_right (inferior_task,
+// OBSOLETE inferior_name,
+// OBSOLETE type,
+// OBSOLETE &iport,
+// OBSOLETE &acquired);
+// OBSOLETE CHK ("mach_port_extract_right (map_inferior_port_name)", ret);
+// OBSOLETE
+// OBSOLETE if (acquired != MACH_MSG_TYPE_PORT_SEND)
+// OBSOLETE error ("Incorrect right extracted, (map_inferior_port_name)");
+// OBSOLETE
+// OBSOLETE ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE iport);
+// OBSOLETE CHK ("Deallocating mapped port (map_inferior_port_name)", ret);
+// OBSOLETE
+// OBSOLETE return iport;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Naming convention:
+// OBSOLETE * Always return user defined name if found.
+// OBSOLETE * _K == A kernel thread with no matching CPROC
+// OBSOLETE * _C == A cproc with no current cthread
+// OBSOLETE * _t == A cthread with no user defined name
+// OBSOLETE *
+// OBSOLETE * The digits that follow the _names are the SLOT number of the
+// OBSOLETE * kernel thread if there is such a thing, otherwise just a negation
+// OBSOLETE * of the sequential number of such cprocs.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE static char buf[7];
+// OBSOLETE
+// OBSOLETE static char *
+// OBSOLETE get_thread_name (gdb_thread_t one_cproc, int id)
+// OBSOLETE {
+// OBSOLETE if (one_cproc)
+// OBSOLETE if (one_cproc->cthread == NULL)
+// OBSOLETE {
+// OBSOLETE /* cproc not mapped to any cthread */
+// OBSOLETE sprintf (buf, "_C%d", id);
+// OBSOLETE }
+// OBSOLETE else if (!one_cproc->cthread->name)
+// OBSOLETE {
+// OBSOLETE /* cproc and cthread, but no name */
+// OBSOLETE sprintf (buf, "_t%d", id);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE return (char *) (one_cproc->cthread->name);
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE if (id < 0)
+// OBSOLETE warning ("Inconsistency in thread name id %d", id);
+// OBSOLETE
+// OBSOLETE /* Kernel thread without cproc */
+// OBSOLETE sprintf (buf, "_K%d", id);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return buf;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE fetch_thread_info (mach_port_t task, gdb_thread_t *mthreads_out)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE thread_array_t th_table;
+// OBSOLETE int th_count;
+// OBSOLETE gdb_thread_t mthreads = NULL;
+// OBSOLETE int index;
+// OBSOLETE
+// OBSOLETE ret = task_threads (task, &th_table, &th_count);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Error getting inferior's thread list:%s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE m3_kill_inferior ();
+// OBSOLETE return -1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE mthreads = (gdb_thread_t)
+// OBSOLETE obstack_alloc
+// OBSOLETE (cproc_obstack,
+// OBSOLETE th_count * sizeof (struct gdb_thread));
+// OBSOLETE
+// OBSOLETE for (index = 0; index < th_count; index++)
+// OBSOLETE {
+// OBSOLETE thread_t saved_thread = MACH_PORT_NULL;
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE if (must_suspend_thread)
+// OBSOLETE setup_thread (th_table[index], 1);
+// OBSOLETE
+// OBSOLETE if (th_table[index] != current_thread)
+// OBSOLETE {
+// OBSOLETE saved_thread = current_thread;
+// OBSOLETE
+// OBSOLETE mid = switch_to_thread (th_table[index]);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE mthreads[index].name = th_table[index];
+// OBSOLETE mthreads[index].cproc = NULL; /* map_cprocs_to_kernel_threads() */
+// OBSOLETE mthreads[index].in_emulator = FALSE;
+// OBSOLETE mthreads[index].slotid = index;
+// OBSOLETE
+// OBSOLETE mthreads[index].sp = read_register (SP_REGNUM);
+// OBSOLETE mthreads[index].fp = read_register (FP_REGNUM);
+// OBSOLETE mthreads[index].pc = read_pc ();
+// OBSOLETE
+// OBSOLETE if (MACH_PORT_VALID (saved_thread))
+// OBSOLETE mid = switch_to_thread (saved_thread);
+// OBSOLETE
+// OBSOLETE if (must_suspend_thread)
+// OBSOLETE setup_thread (th_table[index], 0);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE consume_send_rights (th_table, th_count);
+// OBSOLETE ret = vm_deallocate (mach_task_self (), (vm_address_t) th_table,
+// OBSOLETE (th_count * sizeof (mach_port_t)));
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Error trying to deallocate thread list : %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE *mthreads_out = mthreads;
+// OBSOLETE
+// OBSOLETE return th_count;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Current emulator always saves the USP on top of
+// OBSOLETE * emulator stack below struct emul_stack_top stuff.
+// OBSOLETE */
+// OBSOLETE CORE_ADDR
+// OBSOLETE fetch_usp_from_emulator_stack (CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR stack_pointer;
+// OBSOLETE
+// OBSOLETE sp = (sp & ~(EMULATOR_STACK_SIZE - 1)) +
+// OBSOLETE EMULATOR_STACK_SIZE - sizeof (struct emul_stack_top);
+// OBSOLETE
+// OBSOLETE if (mach3_read_inferior (sp,
+// OBSOLETE &stack_pointer,
+// OBSOLETE sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
+// OBSOLETE {
+// OBSOLETE warning ("Can't read user sp from emulator stack address 0x%x", sp);
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return stack_pointer;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #ifdef MK67
+// OBSOLETE
+// OBSOLETE /* get_emulation_vector() interface was changed after mk67 */
+// OBSOLETE #define EMUL_VECTOR_COUNT 400 /* Value does not matter too much */
+// OBSOLETE
+// OBSOLETE #endif /* MK67 */
+// OBSOLETE
+// OBSOLETE /* Check if the emulator exists at task's address space.
+// OBSOLETE */
+// OBSOLETE boolean_t
+// OBSOLETE have_emulator_p (task_t task)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE #ifndef EMUL_VECTOR_COUNT
+// OBSOLETE vm_offset_t *emulation_vector;
+// OBSOLETE int n;
+// OBSOLETE #else
+// OBSOLETE vm_offset_t emulation_vector[EMUL_VECTOR_COUNT];
+// OBSOLETE int n = EMUL_VECTOR_COUNT;
+// OBSOLETE #endif
+// OBSOLETE int i;
+// OBSOLETE int vector_start;
+// OBSOLETE
+// OBSOLETE ret = task_get_emulation_vector (task,
+// OBSOLETE &vector_start,
+// OBSOLETE #ifndef EMUL_VECTOR_COUNT
+// OBSOLETE &emulation_vector,
+// OBSOLETE #else
+// OBSOLETE emulation_vector,
+// OBSOLETE #endif
+// OBSOLETE &n);
+// OBSOLETE CHK ("task_get_emulation_vector", ret);
+// OBSOLETE xx_debug ("%d vectors from %d at 0x%08x\n",
+// OBSOLETE n, vector_start, emulation_vector);
+// OBSOLETE
+// OBSOLETE for (i = 0; i < n; i++)
+// OBSOLETE {
+// OBSOLETE vm_offset_t entry = emulation_vector[i];
+// OBSOLETE
+// OBSOLETE if (EMULATOR_BASE <= entry && entry <= EMULATOR_END)
+// OBSOLETE return TRUE;
+// OBSOLETE else if (entry)
+// OBSOLETE {
+// OBSOLETE static boolean_t informed = FALSE;
+// OBSOLETE if (!informed)
+// OBSOLETE {
+// OBSOLETE warning ("Emulation vector address 0x08%x outside emulator space",
+// OBSOLETE entry);
+// OBSOLETE informed = TRUE;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE return FALSE;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Map cprocs to kernel threads and vice versa. */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE map_cprocs_to_kernel_threads (gdb_thread_t cprocs, gdb_thread_t mthreads,
+// OBSOLETE int thread_count)
+// OBSOLETE {
+// OBSOLETE int index;
+// OBSOLETE gdb_thread_t scan;
+// OBSOLETE boolean_t all_mapped = TRUE;
+// OBSOLETE LONGEST stack_base;
+// OBSOLETE LONGEST stack_size;
+// OBSOLETE
+// OBSOLETE for (scan = cprocs; scan; scan = scan->next)
+// OBSOLETE {
+// OBSOLETE /* Default to: no kernel thread for this cproc */
+// OBSOLETE scan->reverse_map = -1;
+// OBSOLETE
+// OBSOLETE /* Check if the cproc is found by its stack */
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE stack_base =
+// OBSOLETE extract_signed_integer (scan->raw_cproc + CPROC_BASE_OFFSET,
+// OBSOLETE CPROC_BASE_SIZE);
+// OBSOLETE stack_size =
+// OBSOLETE extract_signed_integer (scan->raw_cproc + CPROC_SIZE_OFFSET,
+// OBSOLETE CPROC_SIZE_SIZE);
+// OBSOLETE if ((mthreads + index)->sp > stack_base &&
+// OBSOLETE (mthreads + index)->sp <= stack_base + stack_size)
+// OBSOLETE {
+// OBSOLETE (mthreads + index)->cproc = scan;
+// OBSOLETE scan->reverse_map = index;
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE all_mapped &= (scan->reverse_map != -1);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Check for threads that are currently in the emulator.
+// OBSOLETE * If so, they have a different stack, and the still unmapped
+// OBSOLETE * cprocs may well get mapped to these threads.
+// OBSOLETE *
+// OBSOLETE * If:
+// OBSOLETE * - cproc stack does not match any kernel thread stack pointer
+// OBSOLETE * - there is at least one extra kernel thread
+// OBSOLETE * that has no cproc mapped above.
+// OBSOLETE * - some kernel thread stack pointer points to emulator space
+// OBSOLETE * then we find the user stack pointer saved in the emulator
+// OBSOLETE * stack, and try to map that to the cprocs.
+// OBSOLETE *
+// OBSOLETE * Also set in_emulator for kernel threads.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE if (emulator_present)
+// OBSOLETE {
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR emul_sp;
+// OBSOLETE CORE_ADDR usp;
+// OBSOLETE
+// OBSOLETE gdb_thread_t mthread = (mthreads + index);
+// OBSOLETE emul_sp = mthread->sp;
+// OBSOLETE
+// OBSOLETE if (mthread->cproc == NULL &&
+// OBSOLETE EMULATOR_BASE <= emul_sp && emul_sp <= EMULATOR_END)
+// OBSOLETE {
+// OBSOLETE mthread->in_emulator = emulator_present;
+// OBSOLETE
+// OBSOLETE if (!all_mapped && cprocs)
+// OBSOLETE {
+// OBSOLETE usp = fetch_usp_from_emulator_stack (emul_sp);
+// OBSOLETE
+// OBSOLETE /* @@ Could be more accurate */
+// OBSOLETE if (!usp)
+// OBSOLETE error ("Zero stack pointer read from emulator?");
+// OBSOLETE
+// OBSOLETE /* Try to match this stack pointer to the cprocs that
+// OBSOLETE * don't yet have a kernel thread.
+// OBSOLETE */
+// OBSOLETE for (scan = cprocs; scan; scan = scan->next)
+// OBSOLETE {
+// OBSOLETE
+// OBSOLETE /* Check is this unmapped CPROC stack contains
+// OBSOLETE * the user stack pointer saved in the
+// OBSOLETE * emulator.
+// OBSOLETE */
+// OBSOLETE if (scan->reverse_map == -1)
+// OBSOLETE {
+// OBSOLETE stack_base =
+// OBSOLETE extract_signed_integer
+// OBSOLETE (scan->raw_cproc + CPROC_BASE_OFFSET,
+// OBSOLETE CPROC_BASE_SIZE);
+// OBSOLETE stack_size =
+// OBSOLETE extract_signed_integer
+// OBSOLETE (scan->raw_cproc + CPROC_SIZE_OFFSET,
+// OBSOLETE CPROC_SIZE_SIZE);
+// OBSOLETE if (usp > stack_base &&
+// OBSOLETE usp <= stack_base + stack_size)
+// OBSOLETE {
+// OBSOLETE mthread->cproc = scan;
+// OBSOLETE scan->reverse_map = index;
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /*
+// OBSOLETE * Format of the thread_list command
+// OBSOLETE *
+// OBSOLETE * slot mid sel name emul ks susp cstate wired address
+// OBSOLETE */
+// OBSOLETE #define TL_FORMAT "%-2.2s %5d%c %-10.10s %1.1s%s%-5.5s %-2.2s %-5.5s "
+// OBSOLETE
+// OBSOLETE #define TL_HEADER "\n@ MID Name KState CState Where\n"
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE print_tl_address (struct ui_file *stream, CORE_ADDR pc)
+// OBSOLETE {
+// OBSOLETE if (!lookup_minimal_symbol_by_pc (pc))
+// OBSOLETE fprintf_filtered (stream, local_hex_format (), pc);
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE extern int addressprint;
+// OBSOLETE extern int asm_demangle;
+// OBSOLETE
+// OBSOLETE int store = addressprint;
+// OBSOLETE addressprint = 0;
+// OBSOLETE print_address_symbolic (pc, stream, asm_demangle, "");
+// OBSOLETE addressprint = store;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* For thread names, but also for gdb_message_port external name */
+// OBSOLETE #define MAX_NAME_LEN 50
+// OBSOLETE
+// OBSOLETE /* Returns the address of variable NAME or 0 if not found */
+// OBSOLETE CORE_ADDR
+// OBSOLETE lookup_address_of_variable (char *name)
+// OBSOLETE {
+// OBSOLETE struct symbol *sym;
+// OBSOLETE CORE_ADDR symaddr = 0;
+// OBSOLETE struct minimal_symbol *msymbol;
+// OBSOLETE
+// OBSOLETE sym = lookup_symbol (name,
+// OBSOLETE (struct block *) NULL,
+// OBSOLETE VAR_NAMESPACE,
+// OBSOLETE (int *) NULL,
+// OBSOLETE (struct symtab **) NULL);
+// OBSOLETE
+// OBSOLETE if (sym)
+// OBSOLETE symaddr = SYMBOL_VALUE (sym);
+// OBSOLETE
+// OBSOLETE if (!symaddr)
+// OBSOLETE {
+// OBSOLETE msymbol = lookup_minimal_symbol (name, NULL, NULL);
+// OBSOLETE
+// OBSOLETE if (msymbol && msymbol->type == mst_data)
+// OBSOLETE symaddr = SYMBOL_VALUE_ADDRESS (msymbol);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return symaddr;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static gdb_thread_t
+// OBSOLETE get_cprocs (void)
+// OBSOLETE {
+// OBSOLETE gdb_thread_t cproc_head;
+// OBSOLETE gdb_thread_t cproc_copy;
+// OBSOLETE CORE_ADDR their_cprocs;
+// OBSOLETE char *buf;
+// OBSOLETE char *name;
+// OBSOLETE cthread_t cthread;
+// OBSOLETE CORE_ADDR symaddr;
+// OBSOLETE
+// OBSOLETE buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT);
+// OBSOLETE symaddr = lookup_address_of_variable ("cproc_list");
+// OBSOLETE
+// OBSOLETE if (!symaddr)
+// OBSOLETE {
+// OBSOLETE /* cproc_list is not in a file compiled with debugging
+// OBSOLETE symbols, but don't give up yet */
+// OBSOLETE
+// OBSOLETE symaddr = lookup_address_of_variable ("cprocs");
+// OBSOLETE
+// OBSOLETE if (symaddr)
+// OBSOLETE {
+// OBSOLETE static int informed = 0;
+// OBSOLETE if (!informed)
+// OBSOLETE {
+// OBSOLETE informed++;
+// OBSOLETE warning ("Your program is loaded with an old threads library.");
+// OBSOLETE warning ("GDB does not know the old form of threads");
+// OBSOLETE warning ("so things may not work.");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Stripped or no -lthreads loaded or "cproc_list" is in wrong segment. */
+// OBSOLETE if (!symaddr)
+// OBSOLETE return NULL;
+// OBSOLETE
+// OBSOLETE /* Get the address of the first cproc in the task */
+// OBSOLETE if (!mach3_read_inferior (symaddr,
+// OBSOLETE buf,
+// OBSOLETE TARGET_PTR_BIT / HOST_CHAR_BIT))
+// OBSOLETE error ("Can't read cproc master list at address (0x%x).", symaddr);
+// OBSOLETE their_cprocs = extract_address (buf, TARGET_PTR_BIT / HOST_CHAR_BIT);
+// OBSOLETE
+// OBSOLETE /* Scan the CPROCs in the task.
+// OBSOLETE CPROCs are chained with LIST field, not NEXT field, which
+// OBSOLETE chains mutexes, condition variables and queues */
+// OBSOLETE
+// OBSOLETE cproc_head = NULL;
+// OBSOLETE
+// OBSOLETE while (their_cprocs != (CORE_ADDR) 0)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR cproc_copy_incarnation;
+// OBSOLETE cproc_copy = (gdb_thread_t) obstack_alloc (cproc_obstack,
+// OBSOLETE sizeof (struct gdb_thread));
+// OBSOLETE
+// OBSOLETE if (!mach3_read_inferior (their_cprocs,
+// OBSOLETE &cproc_copy->raw_cproc[0],
+// OBSOLETE CPROC_SIZE))
+// OBSOLETE error ("Can't read next cproc at 0x%x.", their_cprocs);
+// OBSOLETE
+// OBSOLETE their_cprocs =
+// OBSOLETE extract_address (cproc_copy->raw_cproc + CPROC_LIST_OFFSET,
+// OBSOLETE CPROC_LIST_SIZE);
+// OBSOLETE cproc_copy_incarnation =
+// OBSOLETE extract_address (cproc_copy->raw_cproc + CPROC_INCARNATION_OFFSET,
+// OBSOLETE CPROC_INCARNATION_SIZE);
+// OBSOLETE
+// OBSOLETE if (cproc_copy_incarnation == (CORE_ADDR) 0)
+// OBSOLETE cproc_copy->cthread = NULL;
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* This CPROC has an attached CTHREAD. Get its name */
+// OBSOLETE cthread = (cthread_t) obstack_alloc (cproc_obstack,
+// OBSOLETE sizeof (struct cthread));
+// OBSOLETE
+// OBSOLETE if (!mach3_read_inferior (cproc_copy_incarnation,
+// OBSOLETE cthread,
+// OBSOLETE sizeof (struct cthread)))
+// OBSOLETE error ("Can't read next thread at 0x%x.",
+// OBSOLETE cproc_copy_incarnation);
+// OBSOLETE
+// OBSOLETE cproc_copy->cthread = cthread;
+// OBSOLETE
+// OBSOLETE if (cthread->name)
+// OBSOLETE {
+// OBSOLETE name = (char *) obstack_alloc (cproc_obstack, MAX_NAME_LEN);
+// OBSOLETE
+// OBSOLETE if (!mach3_read_inferior (cthread->name, name, MAX_NAME_LEN))
+// OBSOLETE error ("Can't read next thread's name at 0x%x.", cthread->name);
+// OBSOLETE
+// OBSOLETE cthread->name = name;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* insert in front */
+// OBSOLETE cproc_copy->next = cproc_head;
+// OBSOLETE cproc_head = cproc_copy;
+// OBSOLETE }
+// OBSOLETE return cproc_head;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #ifndef FETCH_CPROC_STATE
+// OBSOLETE /*
+// OBSOLETE * Check if your machine does not grok the way this routine
+// OBSOLETE * fetches the FP,PC and SP of a cproc that is not
+// OBSOLETE * currently attached to any kernel thread (e.g. its cproc.context
+// OBSOLETE * field points to the place in stack where the context
+// OBSOLETE * is saved).
+// OBSOLETE *
+// OBSOLETE * If it doesn't, define your own routine.
+// OBSOLETE */
+// OBSOLETE #define FETCH_CPROC_STATE(mth) mach3_cproc_state (mth)
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE mach3_cproc_state (gdb_thread_t mthread)
+// OBSOLETE {
+// OBSOLETE int context;
+// OBSOLETE
+// OBSOLETE if (!mthread || !mthread->cproc)
+// OBSOLETE return -1;
+// OBSOLETE
+// OBSOLETE context = extract_signed_integer
+// OBSOLETE (mthread->cproc->raw_cproc + CPROC_CONTEXT_OFFSET,
+// OBSOLETE CPROC_CONTEXT_SIZE);
+// OBSOLETE if (context == 0)
+// OBSOLETE return -1;
+// OBSOLETE
+// OBSOLETE mthread->sp = context + MACHINE_CPROC_SP_OFFSET;
+// OBSOLETE
+// OBSOLETE if (mach3_read_inferior (context + MACHINE_CPROC_PC_OFFSET,
+// OBSOLETE &mthread->pc,
+// OBSOLETE sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
+// OBSOLETE {
+// OBSOLETE warning ("Can't read cproc pc from inferior");
+// OBSOLETE return -1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (mach3_read_inferior (context + MACHINE_CPROC_FP_OFFSET,
+// OBSOLETE &mthread->fp,
+// OBSOLETE sizeof (CORE_ADDR)) != sizeof (CORE_ADDR))
+// OBSOLETE {
+// OBSOLETE warning ("Can't read cproc fp from inferior");
+// OBSOLETE return -1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE #endif /* FETCH_CPROC_STATE */
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE thread_list_command (void)
+// OBSOLETE {
+// OBSOLETE thread_basic_info_data_t ths;
+// OBSOLETE int thread_count;
+// OBSOLETE gdb_thread_t cprocs;
+// OBSOLETE gdb_thread_t scan;
+// OBSOLETE int index;
+// OBSOLETE char *name;
+// OBSOLETE char selected;
+// OBSOLETE char *wired;
+// OBSOLETE int infoCnt;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE mach_port_t mid_or_port;
+// OBSOLETE gdb_thread_t their_threads;
+// OBSOLETE gdb_thread_t kthread;
+// OBSOLETE
+// OBSOLETE int neworder = 1;
+// OBSOLETE
+// OBSOLETE char *fmt = "There are %d kernel threads in task %d.\n";
+// OBSOLETE
+// OBSOLETE int tmid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE thread_count = fetch_thread_info (inferior_task,
+// OBSOLETE &their_threads);
+// OBSOLETE if (thread_count == -1)
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE if (thread_count == 1)
+// OBSOLETE fmt = "There is %d kernel thread in task %d.\n";
+// OBSOLETE
+// OBSOLETE printf_filtered (fmt, thread_count, tmid);
+// OBSOLETE
+// OBSOLETE puts_filtered (TL_HEADER);
+// OBSOLETE
+// OBSOLETE cprocs = get_cprocs ();
+// OBSOLETE
+// OBSOLETE map_cprocs_to_kernel_threads (cprocs, their_threads, thread_count);
+// OBSOLETE
+// OBSOLETE for (scan = cprocs; scan; scan = scan->next)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE char buf[10];
+// OBSOLETE char slot[3];
+// OBSOLETE int cproc_state =
+// OBSOLETE extract_signed_integer
+// OBSOLETE (scan->raw_cproc + CPROC_STATE_OFFSET, CPROC_STATE_SIZE);
+// OBSOLETE
+// OBSOLETE selected = ' ';
+// OBSOLETE
+// OBSOLETE /* a wired cproc? */
+// OBSOLETE wired = (extract_address (scan->raw_cproc + CPROC_WIRED_OFFSET,
+// OBSOLETE CPROC_WIRED_SIZE)
+// OBSOLETE ? "wired" : "");
+// OBSOLETE
+// OBSOLETE if (scan->reverse_map != -1)
+// OBSOLETE kthread = (their_threads + scan->reverse_map);
+// OBSOLETE else
+// OBSOLETE kthread = NULL;
+// OBSOLETE
+// OBSOLETE if (kthread)
+// OBSOLETE {
+// OBSOLETE /* These cprocs have a kernel thread */
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (kthread->name, MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE
+// OBSOLETE ret = thread_info (kthread->name,
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & ths,
+// OBSOLETE &infoCnt);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Unable to get basic info on thread %d : %s",
+// OBSOLETE mid,
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Who is the first to have more than 100 threads */
+// OBSOLETE sprintf (slot, "%d", kthread->slotid % 100);
+// OBSOLETE
+// OBSOLETE if (kthread->name == current_thread)
+// OBSOLETE selected = '*';
+// OBSOLETE
+// OBSOLETE if (ths.suspend_count)
+// OBSOLETE sprintf (buf, "%d", ths.suspend_count);
+// OBSOLETE else
+// OBSOLETE buf[0] = '\000';
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE if (ths.flags & TH_FLAGS_SWAPPED)
+// OBSOLETE strcat (buf, "S");
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE if (ths.flags & TH_FLAGS_IDLE)
+// OBSOLETE strcat (buf, "I");
+// OBSOLETE
+// OBSOLETE printf_filtered (TL_FORMAT,
+// OBSOLETE slot,
+// OBSOLETE mid,
+// OBSOLETE selected,
+// OBSOLETE get_thread_name (scan, kthread->slotid),
+// OBSOLETE kthread->in_emulator ? "E" : "",
+// OBSOLETE translate_state (ths.run_state),
+// OBSOLETE buf,
+// OBSOLETE translate_cstate (cproc_state),
+// OBSOLETE wired);
+// OBSOLETE print_tl_address (gdb_stdout, kthread->pc);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* These cprocs don't have a kernel thread.
+// OBSOLETE * find out the calling frame with
+// OBSOLETE * FETCH_CPROC_STATE.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE struct gdb_thread state;
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE /* jtv -> emcmanus: why do you want this here? */
+// OBSOLETE if (scan->incarnation == NULL)
+// OBSOLETE continue; /* EMcM */
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE printf_filtered (TL_FORMAT,
+// OBSOLETE "-",
+// OBSOLETE -neworder, /* Pseudo MID */
+// OBSOLETE selected,
+// OBSOLETE get_thread_name (scan, -neworder),
+// OBSOLETE "",
+// OBSOLETE "-", /* kernel state */
+// OBSOLETE "",
+// OBSOLETE translate_cstate (cproc_state),
+// OBSOLETE "");
+// OBSOLETE state.cproc = scan;
+// OBSOLETE
+// OBSOLETE if (FETCH_CPROC_STATE (&state) == -1)
+// OBSOLETE puts_filtered ("???");
+// OBSOLETE else
+// OBSOLETE print_tl_address (gdb_stdout, state.pc);
+// OBSOLETE
+// OBSOLETE neworder++;
+// OBSOLETE }
+// OBSOLETE puts_filtered ("\n");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Scan for kernel threads without cprocs */
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE if (!their_threads[index].cproc)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE char buf[10];
+// OBSOLETE char slot[3];
+// OBSOLETE
+// OBSOLETE mach_port_t name = their_threads[index].name;
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (name, MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE
+// OBSOLETE ret = thread_info (name,
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & ths,
+// OBSOLETE &infoCnt);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Unable to get basic info on thread %d : %s",
+// OBSOLETE mid,
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE sprintf (slot, "%d", index % 100);
+// OBSOLETE
+// OBSOLETE if (name == current_thread)
+// OBSOLETE selected = '*';
+// OBSOLETE else
+// OBSOLETE selected = ' ';
+// OBSOLETE
+// OBSOLETE if (ths.suspend_count)
+// OBSOLETE sprintf (buf, "%d", ths.suspend_count);
+// OBSOLETE else
+// OBSOLETE buf[0] = '\000';
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE if (ths.flags & TH_FLAGS_SWAPPED)
+// OBSOLETE strcat (buf, "S");
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE if (ths.flags & TH_FLAGS_IDLE)
+// OBSOLETE strcat (buf, "I");
+// OBSOLETE
+// OBSOLETE printf_filtered (TL_FORMAT,
+// OBSOLETE slot,
+// OBSOLETE mid,
+// OBSOLETE selected,
+// OBSOLETE get_thread_name (NULL, index),
+// OBSOLETE their_threads[index].in_emulator ? "E" : "",
+// OBSOLETE translate_state (ths.run_state),
+// OBSOLETE buf,
+// OBSOLETE "", /* No cproc state */
+// OBSOLETE ""); /* Can't be wired */
+// OBSOLETE print_tl_address (gdb_stdout, their_threads[index].pc);
+// OBSOLETE puts_filtered ("\n");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE obstack_free (cproc_obstack, 0);
+// OBSOLETE obstack_init (cproc_obstack);
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE void
+// OBSOLETE thread_select_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE thread_array_t thread_list;
+// OBSOLETE int thread_count;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int is_slot = 0;
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE if (!args)
+// OBSOLETE error_no_arg ("MID or @SLOTNUMBER to specify a thread to select");
+// OBSOLETE
+// OBSOLETE while (*args == ' ' || *args == '\t')
+// OBSOLETE args++;
+// OBSOLETE
+// OBSOLETE if (*args == '@')
+// OBSOLETE {
+// OBSOLETE is_slot++;
+// OBSOLETE args++;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE mid = atoi (args);
+// OBSOLETE
+// OBSOLETE if (mid == 0)
+// OBSOLETE if (!is_slot || *args != '0') /* Rudimentary checks */
+// OBSOLETE error ("You must select threads by MID or @SLOTNUMBER");
+// OBSOLETE
+// OBSOLETE if (select_thread (inferior_task, mid, is_slot ? 2 : 1) != KERN_SUCCESS)
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE if (from_tty)
+// OBSOLETE printf_filtered ("Thread %d selected\n",
+// OBSOLETE is_slot ? map_port_name_to_mid (current_thread,
+// OBSOLETE MACH_TYPE_THREAD) : mid);
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE thread_trace (mach_port_t thread, boolean_t set)
+// OBSOLETE {
+// OBSOLETE int flavor = TRACE_FLAVOR;
+// OBSOLETE unsigned int stateCnt = TRACE_FLAVOR_SIZE;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE thread_state_data_t state;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (thread))
+// OBSOLETE {
+// OBSOLETE warning ("thread_trace: invalid thread");
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (must_suspend_thread)
+// OBSOLETE setup_thread (thread, 1);
+// OBSOLETE
+// OBSOLETE ret = thread_get_state (thread, flavor, state, &stateCnt);
+// OBSOLETE CHK ("thread_trace: error reading thread state", ret);
+// OBSOLETE
+// OBSOLETE if (set)
+// OBSOLETE {
+// OBSOLETE TRACE_SET (thread, state);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE if (!TRACE_CLEAR (thread, state))
+// OBSOLETE {
+// OBSOLETE if (must_suspend_thread)
+// OBSOLETE setup_thread (thread, 0);
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = thread_set_state (thread, flavor, state, stateCnt);
+// OBSOLETE CHK ("thread_trace: error writing thread state", ret);
+// OBSOLETE if (must_suspend_thread)
+// OBSOLETE setup_thread (thread, 0);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #ifdef FLUSH_INFERIOR_CACHE
+// OBSOLETE
+// OBSOLETE /* When over-writing code on some machines the I-Cache must be flushed
+// OBSOLETE explicitly, because it is not kept coherent by the lazy hardware.
+// OBSOLETE This definitely includes breakpoints, for instance, or else we
+// OBSOLETE end up looping in mysterious Bpt traps */
+// OBSOLETE
+// OBSOLETE flush_inferior_icache (CORE_ADDR pc, int amount)
+// OBSOLETE {
+// OBSOLETE vm_machine_attribute_val_t flush = MATTR_VAL_ICACHE_FLUSH;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE ret = vm_machine_attribute (inferior_task,
+// OBSOLETE pc,
+// OBSOLETE amount,
+// OBSOLETE MATTR_CACHE,
+// OBSOLETE &flush);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("Error flushing inferior's cache : %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE }
+// OBSOLETE #endif /* FLUSH_INFERIOR_CACHE */
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE static
+// OBSOLETE suspend_all_threads (int from_tty)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE thread_array_t thread_list;
+// OBSOLETE int thread_count, index;
+// OBSOLETE int infoCnt;
+// OBSOLETE thread_basic_info_data_t th_info;
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE ret = task_threads (inferior_task, &thread_list, &thread_count);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("Could not suspend inferior threads.");
+// OBSOLETE m3_kill_inferior ();
+// OBSOLETE throw_exception (RETURN_ERROR);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (thread_list[index],
+// OBSOLETE MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE ret = thread_suspend (thread_list[index]);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("Error trying to suspend thread %d : %s",
+// OBSOLETE mid, mach_error_string (ret));
+// OBSOLETE
+// OBSOLETE if (from_tty)
+// OBSOLETE {
+// OBSOLETE infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE ret = thread_info (thread_list[index],
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & th_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("suspend can't get thread info", ret);
+// OBSOLETE
+// OBSOLETE warning ("Thread %d suspend count is %d",
+// OBSOLETE mid, th_info.suspend_count);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE consume_send_rights (thread_list, thread_count);
+// OBSOLETE ret = vm_deallocate (mach_task_self (),
+// OBSOLETE (vm_address_t) thread_list,
+// OBSOLETE (thread_count * sizeof (int)));
+// OBSOLETE CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE thread_suspend_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int mid;
+// OBSOLETE mach_port_t saved_thread;
+// OBSOLETE int infoCnt;
+// OBSOLETE thread_basic_info_data_t th_info;
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE if (!strcasecmp (args, "all"))
+// OBSOLETE {
+// OBSOLETE suspend_all_threads (from_tty);
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE saved_thread = current_thread;
+// OBSOLETE
+// OBSOLETE mid = parse_thread_id (args, 0, 0);
+// OBSOLETE
+// OBSOLETE if (mid < 0)
+// OBSOLETE error ("You can suspend only existing kernel threads with MID or @SLOTNUMBER");
+// OBSOLETE
+// OBSOLETE if (mid == 0)
+// OBSOLETE mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE if (current_thread)
+// OBSOLETE current_thread = saved_thread;
+// OBSOLETE error ("Could not select thread %d", mid);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = thread_suspend (current_thread);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("thread_suspend failed : %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE
+// OBSOLETE infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE ret = thread_info (current_thread,
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & th_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("suspend can't get thread info", ret);
+// OBSOLETE
+// OBSOLETE warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
+// OBSOLETE
+// OBSOLETE current_thread = saved_thread;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE resume_all_threads (int from_tty)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE thread_array_t thread_list;
+// OBSOLETE int thread_count, index;
+// OBSOLETE int mid;
+// OBSOLETE int infoCnt;
+// OBSOLETE thread_basic_info_data_t th_info;
+// OBSOLETE
+// OBSOLETE ret = task_threads (inferior_task, &thread_list, &thread_count);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE m3_kill_inferior ();
+// OBSOLETE error ("task_threads", mach_error_string (ret));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE ret = thread_info (thread_list[index],
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & th_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("resume_all can't get thread info", ret);
+// OBSOLETE
+// OBSOLETE mid = map_port_name_to_mid (thread_list[index],
+// OBSOLETE MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE if (!th_info.suspend_count)
+// OBSOLETE {
+// OBSOLETE if (mid != -1 && from_tty)
+// OBSOLETE warning ("Thread %d is not suspended", mid);
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = thread_resume (thread_list[index]);
+// OBSOLETE
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("Error trying to resume thread %d : %s",
+// OBSOLETE mid, mach_error_string (ret));
+// OBSOLETE else if (mid != -1 && from_tty)
+// OBSOLETE warning ("Thread %d suspend count is %d",
+// OBSOLETE mid, --th_info.suspend_count);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE consume_send_rights (thread_list, thread_count);
+// OBSOLETE ret = vm_deallocate (mach_task_self (),
+// OBSOLETE (vm_address_t) thread_list,
+// OBSOLETE (thread_count * sizeof (int)));
+// OBSOLETE CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE thread_resume_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE mach_port_t saved_thread;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE thread_basic_info_data_t th_info;
+// OBSOLETE int infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE if (!strcasecmp (args, "all"))
+// OBSOLETE {
+// OBSOLETE resume_all_threads (from_tty);
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE saved_thread = current_thread;
+// OBSOLETE
+// OBSOLETE mid = parse_thread_id (args, 0, 0);
+// OBSOLETE
+// OBSOLETE if (mid < 0)
+// OBSOLETE error ("You can resume only existing kernel threads with MID or @SLOTNUMBER");
+// OBSOLETE
+// OBSOLETE if (mid == 0)
+// OBSOLETE mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE else if (select_thread (inferior_task, mid, 0) != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE if (current_thread)
+// OBSOLETE current_thread = saved_thread;
+// OBSOLETE throw_exception (RETURN_ERROR);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = thread_info (current_thread,
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & th_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("resume can't get thread info", ret);
+// OBSOLETE
+// OBSOLETE if (!th_info.suspend_count)
+// OBSOLETE {
+// OBSOLETE warning ("Thread %d is not suspended", mid);
+// OBSOLETE goto out;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = thread_resume (current_thread);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("thread_resume failed : %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE th_info.suspend_count--;
+// OBSOLETE warning ("Thread %d suspend count is %d", mid, th_info.suspend_count);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE out:
+// OBSOLETE current_thread = saved_thread;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE thread_kill_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE int mid;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE int thread_count;
+// OBSOLETE thread_array_t thread_table;
+// OBSOLETE int index;
+// OBSOLETE mach_port_t thread_to_kill = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE if (!args)
+// OBSOLETE error_no_arg ("thread mid to kill from the inferior task");
+// OBSOLETE
+// OBSOLETE mid = parse_thread_id (args, 0, 0);
+// OBSOLETE
+// OBSOLETE if (mid < 0)
+// OBSOLETE error ("You can kill only existing kernel threads with MID or @SLOTNUMBER");
+// OBSOLETE
+// OBSOLETE if (mid)
+// OBSOLETE {
+// OBSOLETE ret = machid_mach_port (mid_server, mid_auth, mid, &thread_to_kill);
+// OBSOLETE CHK ("thread_kill_command: machid_mach_port map failed", ret);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE mid = map_port_name_to_mid (current_thread, MACH_TYPE_THREAD);
+// OBSOLETE
+// OBSOLETE /* Don't allow gdb to kill *any* thread in the system. Use mkill program for that */
+// OBSOLETE ret = task_threads (inferior_task, &thread_table, &thread_count);
+// OBSOLETE CHK ("Error getting inferior's thread list", ret);
+// OBSOLETE
+// OBSOLETE if (thread_to_kill == current_thread)
+// OBSOLETE {
+// OBSOLETE ret = thread_terminate (thread_to_kill);
+// OBSOLETE CHK ("Thread could not be terminated", ret);
+// OBSOLETE
+// OBSOLETE if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
+// OBSOLETE warning ("Last thread was killed, use \"kill\" command to kill task");
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE if (thread_table[index] == thread_to_kill)
+// OBSOLETE {
+// OBSOLETE ret = thread_terminate (thread_to_kill);
+// OBSOLETE CHK ("Thread could not be terminated", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (thread_count > 1)
+// OBSOLETE consume_send_rights (thread_table, thread_count);
+// OBSOLETE
+// OBSOLETE ret = vm_deallocate (mach_task_self (), (vm_address_t) thread_table,
+// OBSOLETE (thread_count * sizeof (mach_port_t)));
+// OBSOLETE CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE
+// OBSOLETE warning ("Thread %d killed", mid);
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE /* Task specific commands; add more if you like */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE task_resume_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE task_basic_info_data_t ta_info;
+// OBSOLETE int infoCnt = TASK_BASIC_INFO_COUNT;
+// OBSOLETE int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE /* Would be trivial to change, but is it desirable? */
+// OBSOLETE if (args)
+// OBSOLETE error ("Currently gdb can resume only it's inferior task");
+// OBSOLETE
+// OBSOLETE ret = task_info (inferior_task,
+// OBSOLETE TASK_BASIC_INFO,
+// OBSOLETE (task_info_t) & ta_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("task_resume_command: task_info failed", ret);
+// OBSOLETE
+// OBSOLETE if (ta_info.suspend_count == 0)
+// OBSOLETE error ("Inferior task %d is not suspended", mid);
+// OBSOLETE else if (ta_info.suspend_count == 1 &&
+// OBSOLETE from_tty &&
+// OBSOLETE !query ("Suspend count is now 1. Do you know what you are doing? "))
+// OBSOLETE error ("Task not resumed");
+// OBSOLETE
+// OBSOLETE ret = task_resume (inferior_task);
+// OBSOLETE CHK ("task_resume_command: task_resume", ret);
+// OBSOLETE
+// OBSOLETE if (ta_info.suspend_count == 1)
+// OBSOLETE {
+// OBSOLETE warning ("Inferior task %d is no longer suspended", mid);
+// OBSOLETE must_suspend_thread = 1;
+// OBSOLETE /* @@ This is not complete: Registers change all the time when not
+// OBSOLETE suspended! */
+// OBSOLETE registers_changed ();
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE warning ("Inferior task %d suspend count is now %d",
+// OBSOLETE mid, ta_info.suspend_count - 1);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE task_suspend_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE task_basic_info_data_t ta_info;
+// OBSOLETE int infoCnt = TASK_BASIC_INFO_COUNT;
+// OBSOLETE int mid = map_port_name_to_mid (inferior_task, MACH_TYPE_TASK);
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE /* Would be trivial to change, but is it desirable? */
+// OBSOLETE if (args)
+// OBSOLETE error ("Currently gdb can suspend only it's inferior task");
+// OBSOLETE
+// OBSOLETE ret = task_suspend (inferior_task);
+// OBSOLETE CHK ("task_suspend_command: task_suspend", ret);
+// OBSOLETE
+// OBSOLETE must_suspend_thread = 0;
+// OBSOLETE
+// OBSOLETE ret = task_info (inferior_task,
+// OBSOLETE TASK_BASIC_INFO,
+// OBSOLETE (task_info_t) & ta_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("task_suspend_command: task_info failed", ret);
+// OBSOLETE
+// OBSOLETE warning ("Inferior task %d suspend count is now %d",
+// OBSOLETE mid, ta_info.suspend_count);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static char *
+// OBSOLETE get_size (int bytes)
+// OBSOLETE {
+// OBSOLETE static char size[30];
+// OBSOLETE int zz = bytes / 1024;
+// OBSOLETE
+// OBSOLETE if (zz / 1024)
+// OBSOLETE sprintf (size, "%-2.1f M", ((float) bytes) / (1024.0 * 1024.0));
+// OBSOLETE else
+// OBSOLETE sprintf (size, "%d K", zz);
+// OBSOLETE
+// OBSOLETE return size;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Does this require the target task to be suspended?? I don't think so. */
+// OBSOLETE void
+// OBSOLETE task_info_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE int mid = -5;
+// OBSOLETE mach_port_t task;
+// OBSOLETE kern_return_t ret;
+// OBSOLETE task_basic_info_data_t ta_info;
+// OBSOLETE int infoCnt = TASK_BASIC_INFO_COUNT;
+// OBSOLETE int page_size = round_page (1);
+// OBSOLETE int thread_count = 0;
+// OBSOLETE
+// OBSOLETE if (MACH_PORT_VALID (inferior_task))
+// OBSOLETE mid = map_port_name_to_mid (inferior_task,
+// OBSOLETE MACH_TYPE_TASK);
+// OBSOLETE
+// OBSOLETE task = inferior_task;
+// OBSOLETE
+// OBSOLETE if (args)
+// OBSOLETE {
+// OBSOLETE int tmid = atoi (args);
+// OBSOLETE
+// OBSOLETE if (tmid <= 0)
+// OBSOLETE error ("Invalid mid %d for task info", tmid);
+// OBSOLETE
+// OBSOLETE if (tmid != mid)
+// OBSOLETE {
+// OBSOLETE mid = tmid;
+// OBSOLETE ret = machid_mach_port (mid_server, mid_auth, tmid, &task);
+// OBSOLETE CHK ("task_info_command: machid_mach_port map failed", ret);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (mid < 0)
+// OBSOLETE error ("You have to give the task MID as an argument");
+// OBSOLETE
+// OBSOLETE ret = task_info (task,
+// OBSOLETE TASK_BASIC_INFO,
+// OBSOLETE (task_info_t) & ta_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("task_info_command: task_info failed", ret);
+// OBSOLETE
+// OBSOLETE printf_filtered ("\nTask info for task %d:\n\n", mid);
+// OBSOLETE printf_filtered (" Suspend count : %d\n", ta_info.suspend_count);
+// OBSOLETE printf_filtered (" Base priority : %d\n", ta_info.base_priority);
+// OBSOLETE printf_filtered (" Virtual size : %s\n", get_size (ta_info.virtual_size));
+// OBSOLETE printf_filtered (" Resident size : %s\n", get_size (ta_info.resident_size));
+// OBSOLETE
+// OBSOLETE {
+// OBSOLETE thread_array_t thread_list;
+// OBSOLETE
+// OBSOLETE ret = task_threads (task, &thread_list, &thread_count);
+// OBSOLETE CHK ("task_info_command: task_threads", ret);
+// OBSOLETE
+// OBSOLETE printf_filtered (" Thread count : %d\n", thread_count);
+// OBSOLETE
+// OBSOLETE consume_send_rights (thread_list, thread_count);
+// OBSOLETE ret = vm_deallocate (mach_task_self (),
+// OBSOLETE (vm_address_t) thread_list,
+// OBSOLETE (thread_count * sizeof (int)));
+// OBSOLETE CHK ("Error trying to deallocate thread list", ret);
+// OBSOLETE }
+// OBSOLETE if (have_emulator_p (task))
+// OBSOLETE printf_filtered (" Emulator at : 0x%x..0x%x\n",
+// OBSOLETE EMULATOR_BASE, EMULATOR_END);
+// OBSOLETE else
+// OBSOLETE printf_filtered (" No emulator.\n");
+// OBSOLETE
+// OBSOLETE if (thread_count && task == inferior_task)
+// OBSOLETE printf_filtered ("\nUse the \"thread list\" command to see the threads\n");
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* You may either FORWARD the exception to the inferior, or KEEP
+// OBSOLETE * it and return to GDB command level.
+// OBSOLETE *
+// OBSOLETE * exception mid [ forward | keep ]
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE exception_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE char *scan = args;
+// OBSOLETE int exception;
+// OBSOLETE int len;
+// OBSOLETE
+// OBSOLETE if (!args)
+// OBSOLETE error_no_arg ("exception number action");
+// OBSOLETE
+// OBSOLETE while (*scan == ' ' || *scan == '\t')
+// OBSOLETE scan++;
+// OBSOLETE
+// OBSOLETE if ('0' <= *scan && *scan <= '9')
+// OBSOLETE while ('0' <= *scan && *scan <= '9')
+// OBSOLETE scan++;
+// OBSOLETE else
+// OBSOLETE error ("exception number action");
+// OBSOLETE
+// OBSOLETE exception = atoi (args);
+// OBSOLETE if (exception <= 0 || exception > MAX_EXCEPTION)
+// OBSOLETE error ("Allowed exception numbers are in range 1..%d",
+// OBSOLETE MAX_EXCEPTION);
+// OBSOLETE
+// OBSOLETE if (*scan != ' ' && *scan != '\t')
+// OBSOLETE error ("exception number must be followed by a space");
+// OBSOLETE else
+// OBSOLETE while (*scan == ' ' || *scan == '\t')
+// OBSOLETE scan++;
+// OBSOLETE
+// OBSOLETE args = scan;
+// OBSOLETE len = 0;
+// OBSOLETE while (*scan)
+// OBSOLETE {
+// OBSOLETE len++;
+// OBSOLETE scan++;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (!len)
+// OBSOLETE error ("exception number action");
+// OBSOLETE
+// OBSOLETE if (!strncasecmp (args, "forward", len))
+// OBSOLETE exception_map[exception].forward = TRUE;
+// OBSOLETE else if (!strncasecmp (args, "keep", len))
+// OBSOLETE exception_map[exception].forward = FALSE;
+// OBSOLETE else
+// OBSOLETE error ("exception action is either \"keep\" or \"forward\"");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE print_exception_info (int exception)
+// OBSOLETE {
+// OBSOLETE boolean_t forward = exception_map[exception].forward;
+// OBSOLETE
+// OBSOLETE printf_filtered ("%s\t(%d): ", exception_map[exception].name,
+// OBSOLETE exception);
+// OBSOLETE if (!forward)
+// OBSOLETE if (exception_map[exception].sigmap != SIG_UNKNOWN)
+// OBSOLETE printf_filtered ("keep and handle as signal %d\n",
+// OBSOLETE exception_map[exception].sigmap);
+// OBSOLETE else
+// OBSOLETE printf_filtered ("keep and handle as unknown signal %d\n",
+// OBSOLETE exception_map[exception].sigmap);
+// OBSOLETE else
+// OBSOLETE printf_filtered ("forward exception to inferior\n");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE exception_info (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE int exception;
+// OBSOLETE
+// OBSOLETE if (!args)
+// OBSOLETE for (exception = 1; exception <= MAX_EXCEPTION; exception++)
+// OBSOLETE print_exception_info (exception);
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE exception = atoi (args);
+// OBSOLETE
+// OBSOLETE if (exception <= 0 || exception > MAX_EXCEPTION)
+// OBSOLETE error ("Invalid exception number, values from 1 to %d allowed",
+// OBSOLETE MAX_EXCEPTION);
+// OBSOLETE print_exception_info (exception);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* Check for actions for mach exceptions.
+// OBSOLETE */
+// OBSOLETE mach3_exception_actions (WAITTYPE *w, boolean_t force_print_only, char *who)
+// OBSOLETE {
+// OBSOLETE boolean_t force_print = FALSE;
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE if (force_print_only ||
+// OBSOLETE exception_map[stop_exception].sigmap == SIG_UNKNOWN)
+// OBSOLETE force_print = TRUE;
+// OBSOLETE else
+// OBSOLETE WSETSTOP (*w, exception_map[stop_exception].sigmap);
+// OBSOLETE
+// OBSOLETE if (exception_map[stop_exception].print || force_print)
+// OBSOLETE {
+// OBSOLETE target_terminal_ours ();
+// OBSOLETE
+// OBSOLETE printf_filtered ("\n%s received %s exception : ",
+// OBSOLETE who,
+// OBSOLETE exception_map[stop_exception].name);
+// OBSOLETE
+// OBSOLETE wrap_here (" ");
+// OBSOLETE
+// OBSOLETE switch (stop_exception)
+// OBSOLETE {
+// OBSOLETE case EXC_BAD_ACCESS:
+// OBSOLETE printf_filtered ("referencing address 0x%x : %s\n",
+// OBSOLETE stop_subcode,
+// OBSOLETE mach_error_string (stop_code));
+// OBSOLETE break;
+// OBSOLETE case EXC_BAD_INSTRUCTION:
+// OBSOLETE printf_filtered
+// OBSOLETE ("illegal or undefined instruction. code %d subcode %d\n",
+// OBSOLETE stop_code, stop_subcode);
+// OBSOLETE break;
+// OBSOLETE case EXC_ARITHMETIC:
+// OBSOLETE printf_filtered ("code %d\n", stop_code);
+// OBSOLETE break;
+// OBSOLETE case EXC_EMULATION:
+// OBSOLETE printf_filtered ("code %d subcode %d\n", stop_code, stop_subcode);
+// OBSOLETE break;
+// OBSOLETE case EXC_SOFTWARE:
+// OBSOLETE printf_filtered ("%s specific, code 0x%x\n",
+// OBSOLETE stop_code < 0xffff ? "hardware" : "os emulation",
+// OBSOLETE stop_code);
+// OBSOLETE break;
+// OBSOLETE case EXC_BREAKPOINT:
+// OBSOLETE printf_filtered ("type %d (machine dependent)\n",
+// OBSOLETE stop_code);
+// OBSOLETE break;
+// OBSOLETE default:
+// OBSOLETE internal_error (__FILE__, __LINE__,
+// OBSOLETE "Unknown exception");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE setup_notify_port (int create_new)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (MACH_PORT_VALID (our_notify_port))
+// OBSOLETE {
+// OBSOLETE ret = mach_port_destroy (mach_task_self (), our_notify_port);
+// OBSOLETE CHK ("Could not destroy our_notify_port", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE our_notify_port = MACH_PORT_NULL;
+// OBSOLETE notify_chain = (port_chain_t) NULL;
+// OBSOLETE port_chain_destroy (port_chain_obstack);
+// OBSOLETE
+// OBSOLETE if (create_new)
+// OBSOLETE {
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE &our_notify_port);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE internal_error (__FILE__, __LINE__,
+// OBSOLETE "Creating notify port %s", mach_error_string (ret));
+// OBSOLETE
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE our_notify_port,
+// OBSOLETE inferior_wait_port_set);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE internal_error (__FILE__, __LINE__,
+// OBSOLETE "initial move member %s", mach_error_string (ret));
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Register our message port to the net name server
+// OBSOLETE *
+// OBSOLETE * Currently used only by the external stop-gdb program
+// OBSOLETE * since ^C does not work if you would like to enter
+// OBSOLETE * gdb command level while debugging your program.
+// OBSOLETE *
+// OBSOLETE * NOTE: If the message port is sometimes used for other
+// OBSOLETE * purposes also, the NAME must not be a guessable one.
+// OBSOLETE * Then, there should be a way to change it.
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE char registered_name[MAX_NAME_LEN];
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE message_port_info (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE if (registered_name[0])
+// OBSOLETE printf_filtered ("gdb's message port name: '%s'\n",
+// OBSOLETE registered_name);
+// OBSOLETE else
+// OBSOLETE printf_filtered ("gdb's message port is not currently registered\n");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE gdb_register_port (char *name, mach_port_t port)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE static int already_signed = 0;
+// OBSOLETE int len;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (port) || !name || !*name)
+// OBSOLETE {
+// OBSOLETE warning ("Invalid registration request");
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (!already_signed)
+// OBSOLETE {
+// OBSOLETE ret = mach_port_insert_right (mach_task_self (),
+// OBSOLETE our_message_port,
+// OBSOLETE our_message_port,
+// OBSOLETE MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE CHK ("Failed to create a signature to our_message_port", ret);
+// OBSOLETE already_signed = 1;
+// OBSOLETE }
+// OBSOLETE else if (already_signed > 1)
+// OBSOLETE {
+// OBSOLETE ret = netname_check_out (name_server_port,
+// OBSOLETE registered_name,
+// OBSOLETE our_message_port);
+// OBSOLETE CHK ("Failed to check out gdb's message port", ret);
+// OBSOLETE registered_name[0] = '\000';
+// OBSOLETE already_signed = 1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = netname_check_in (name_server_port, /* Name server port */
+// OBSOLETE name, /* Name of service */
+// OBSOLETE our_message_port, /* Signature */
+// OBSOLETE port); /* Creates a new send right */
+// OBSOLETE CHK ("Failed to check in the port", ret);
+// OBSOLETE
+// OBSOLETE len = 0;
+// OBSOLETE while (len < MAX_NAME_LEN && *(name + len))
+// OBSOLETE {
+// OBSOLETE registered_name[len] = *(name + len);
+// OBSOLETE len++;
+// OBSOLETE }
+// OBSOLETE registered_name[len] = '\000';
+// OBSOLETE already_signed = 2;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE struct cmd_list_element *cmd_thread_list;
+// OBSOLETE struct cmd_list_element *cmd_task_list;
+// OBSOLETE
+// OBSOLETE /*ARGSUSED */
+// OBSOLETE static void
+// OBSOLETE thread_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("\"thread\" must be followed by the name of a thread command.\n");
+// OBSOLETE help_list (cmd_thread_list, "thread ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /*ARGSUSED */
+// OBSOLETE static void
+// OBSOLETE task_command (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("\"task\" must be followed by the name of a task command.\n");
+// OBSOLETE help_list (cmd_task_list, "task ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE add_mach_specific_commands (void)
+// OBSOLETE {
+// OBSOLETE /* Thread handling commands */
+// OBSOLETE
+// OBSOLETE /* FIXME: Move our thread support into the generic thread.c stuff so we
+// OBSOLETE can share that code. */
+// OBSOLETE add_prefix_cmd ("mthread", class_stack, thread_command,
+// OBSOLETE "Generic command for handling Mach threads in the debugged task.",
+// OBSOLETE &cmd_thread_list, "thread ", 0, &cmdlist);
+// OBSOLETE
+// OBSOLETE add_com_alias ("th", "mthread", class_stack, 1);
+// OBSOLETE
+// OBSOLETE add_cmd ("select", class_stack, thread_select_command,
+// OBSOLETE "Select and print MID of the selected thread",
+// OBSOLETE &cmd_thread_list);
+// OBSOLETE add_cmd ("list", class_stack, thread_list_command,
+// OBSOLETE "List info of task's threads. Selected thread is marked with '*'",
+// OBSOLETE &cmd_thread_list);
+// OBSOLETE add_cmd ("suspend", class_run, thread_suspend_command,
+// OBSOLETE "Suspend one or all of the threads in the selected task.",
+// OBSOLETE &cmd_thread_list);
+// OBSOLETE add_cmd ("resume", class_run, thread_resume_command,
+// OBSOLETE "Resume one or all of the threads in the selected task.",
+// OBSOLETE &cmd_thread_list);
+// OBSOLETE add_cmd ("kill", class_run, thread_kill_command,
+// OBSOLETE "Kill the specified thread MID from inferior task.",
+// OBSOLETE &cmd_thread_list);
+// OBSOLETE #if 0
+// OBSOLETE /* The rest of this support (condition_thread) was not merged. It probably
+// OBSOLETE should not be merged in this form, but instead added to the generic GDB
+// OBSOLETE thread support. */
+// OBSOLETE add_cmd ("break", class_breakpoint, condition_thread,
+// OBSOLETE "Breakpoint N will only be effective for thread MID or @SLOT\n\
+// OBSOLETE If MID/@SLOT is omitted allow all threads to break at breakpoint",
+// OBSOLETE &cmd_thread_list);
+// OBSOLETE #endif
+// OBSOLETE /* Thread command shorthands (for backward compatibility) */
+// OBSOLETE add_alias_cmd ("ts", "mthread select", 0, 0, &cmdlist);
+// OBSOLETE add_alias_cmd ("tl", "mthread list", 0, 0, &cmdlist);
+// OBSOLETE
+// OBSOLETE /* task handling commands */
+// OBSOLETE
+// OBSOLETE add_prefix_cmd ("task", class_stack, task_command,
+// OBSOLETE "Generic command for handling debugged task.",
+// OBSOLETE &cmd_task_list, "task ", 0, &cmdlist);
+// OBSOLETE
+// OBSOLETE add_com_alias ("ta", "task", class_stack, 1);
+// OBSOLETE
+// OBSOLETE add_cmd ("suspend", class_run, task_suspend_command,
+// OBSOLETE "Suspend the inferior task.",
+// OBSOLETE &cmd_task_list);
+// OBSOLETE add_cmd ("resume", class_run, task_resume_command,
+// OBSOLETE "Resume the inferior task.",
+// OBSOLETE &cmd_task_list);
+// OBSOLETE add_cmd ("info", no_class, task_info_command,
+// OBSOLETE "Print information about the specified task.",
+// OBSOLETE &cmd_task_list);
+// OBSOLETE
+// OBSOLETE /* Print my message port name */
+// OBSOLETE
+// OBSOLETE add_info ("message-port", message_port_info,
+// OBSOLETE "Returns the name of gdb's message port in the netnameserver");
+// OBSOLETE
+// OBSOLETE /* Exception commands */
+// OBSOLETE
+// OBSOLETE add_info ("exceptions", exception_info,
+// OBSOLETE "What debugger does when program gets various exceptions.\n\
+// OBSOLETE Specify an exception number as argument to print info on that\n\
+// OBSOLETE exception only.");
+// OBSOLETE
+// OBSOLETE add_com ("exception", class_run, exception_command,
+// OBSOLETE "Specify how to handle an exception.\n\
+// OBSOLETE Args are exception number followed by \"forward\" or \"keep\".\n\
+// OBSOLETE `Forward' means forward the exception to the program's normal exception\n\
+// OBSOLETE handler.\n\
+// OBSOLETE `Keep' means reenter debugger if this exception happens, and GDB maps\n\
+// OBSOLETE the exception to some signal (see info exception)\n\
+// OBSOLETE Normally \"keep\" is used to return to GDB on exception.");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_dead_name (mach_port_t notify, mach_port_t name)
+// OBSOLETE {
+// OBSOLETE kern_return_t kr = KERN_SUCCESS;
+// OBSOLETE
+// OBSOLETE /* Find the thing that notified */
+// OBSOLETE port_chain_t element = port_chain_member (notify_chain, name);
+// OBSOLETE
+// OBSOLETE /* Take name of from unreceived dead name notification list */
+// OBSOLETE notify_chain = port_chain_delete (notify_chain, name);
+// OBSOLETE
+// OBSOLETE if (!element)
+// OBSOLETE error ("Received a dead name notify from unchained port (0x%x)", name);
+// OBSOLETE
+// OBSOLETE switch (element->type)
+// OBSOLETE {
+// OBSOLETE
+// OBSOLETE case MACH_TYPE_THREAD:
+// OBSOLETE target_terminal_ours_for_output ();
+// OBSOLETE if (name == current_thread)
+// OBSOLETE {
+// OBSOLETE printf_filtered ("\nCurrent thread %d died", element->mid);
+// OBSOLETE current_thread = MACH_PORT_NULL;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE printf_filtered ("\nThread %d died", element->mid);
+// OBSOLETE
+// OBSOLETE break;
+// OBSOLETE
+// OBSOLETE case MACH_TYPE_TASK:
+// OBSOLETE target_terminal_ours_for_output ();
+// OBSOLETE if (name != inferior_task)
+// OBSOLETE printf_filtered ("Task %d died, but it was not the selected task",
+// OBSOLETE element->mid);
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE printf_filtered ("Current task %d died", element->mid);
+// OBSOLETE
+// OBSOLETE mach_port_destroy (mach_task_self (), name);
+// OBSOLETE inferior_task = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE if (notify_chain)
+// OBSOLETE warning ("There were still unreceived dead_name_notifications???");
+// OBSOLETE
+// OBSOLETE /* Destroy the old notifications */
+// OBSOLETE setup_notify_port (0);
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE break;
+// OBSOLETE
+// OBSOLETE default:
+// OBSOLETE error ("Unregistered dead_name 0x%x notification received. Type is %d, mid is 0x%x",
+// OBSOLETE name, element->type, element->mid);
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_msg_accepted (mach_port_t notify, mach_port_t name)
+// OBSOLETE {
+// OBSOLETE warning ("do_mach_notify_msg_accepted : notify %x, name %x",
+// OBSOLETE notify, name);
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_no_senders (mach_port_t notify, mach_port_mscount_t mscount)
+// OBSOLETE {
+// OBSOLETE warning ("do_mach_notify_no_senders : notify %x, mscount %x",
+// OBSOLETE notify, mscount);
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_port_deleted (mach_port_t notify, mach_port_t name)
+// OBSOLETE {
+// OBSOLETE warning ("do_mach_notify_port_deleted : notify %x, name %x",
+// OBSOLETE notify, name);
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_port_destroyed (mach_port_t notify, mach_port_t rights)
+// OBSOLETE {
+// OBSOLETE warning ("do_mach_notify_port_destroyed : notify %x, rights %x",
+// OBSOLETE notify, rights);
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE kern_return_t
+// OBSOLETE do_mach_notify_send_once (mach_port_t notify)
+// OBSOLETE {
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE /* MANY of these are generated. */
+// OBSOLETE warning ("do_mach_notify_send_once : notify %x",
+// OBSOLETE notify);
+// OBSOLETE #endif
+// OBSOLETE return KERN_SUCCESS;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Kills the inferior. It's gone when you call this */
+// OBSOLETE static void
+// OBSOLETE kill_inferior_fast (void)
+// OBSOLETE {
+// OBSOLETE WAITTYPE w;
+// OBSOLETE
+// OBSOLETE if (PIDGET (inferior_ptid) == 0 || PIDGET (inferior_ptid) == 1)
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE /* kill() it, since the Unix server does not otherwise notice when
+// OBSOLETE * killed with task_terminate().
+// OBSOLETE */
+// OBSOLETE if (PIDGET (inferior_ptid) > 0)
+// OBSOLETE kill (PIDGET (inferior_ptid), SIGKILL);
+// OBSOLETE
+// OBSOLETE /* It's propably terminate already */
+// OBSOLETE (void) task_terminate (inferior_task);
+// OBSOLETE
+// OBSOLETE inferior_task = MACH_PORT_NULL;
+// OBSOLETE current_thread = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE wait3 (&w, WNOHANG, 0);
+// OBSOLETE
+// OBSOLETE setup_notify_port (0);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_kill_inferior (void)
+// OBSOLETE {
+// OBSOLETE kill_inferior_fast ();
+// OBSOLETE target_mourn_inferior ();
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Clean up after the inferior dies. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_mourn_inferior (void)
+// OBSOLETE {
+// OBSOLETE unpush_target (&m3_ops);
+// OBSOLETE generic_mourn_inferior ();
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE /* Fork an inferior process, and start debugging it. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_create_inferior (char *exec_file, char *allargs, char **env)
+// OBSOLETE {
+// OBSOLETE fork_inferior (exec_file, allargs, env, m3_trace_me, m3_trace_him, NULL, NULL);
+// OBSOLETE /* We are at the first instruction we care about. */
+// OBSOLETE /* Pedal to the metal... */
+// OBSOLETE proceed ((CORE_ADDR) -1, 0, 0);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Mark our target-struct as eligible for stray "run" and "attach"
+// OBSOLETE commands. */
+// OBSOLETE static int
+// OBSOLETE m3_can_run (void)
+// OBSOLETE {
+// OBSOLETE return 1;
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE /* Mach 3.0 does not need ptrace for anything
+// OBSOLETE * Make sure nobody uses it on mach.
+// OBSOLETE */
+// OBSOLETE ptrace (int a, int b, int c, int d)
+// OBSOLETE {
+// OBSOLETE error ("Lose, Lose! Somebody called ptrace\n");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Resume execution of the inferior process.
+// OBSOLETE If STEP is nonzero, single-step it.
+// OBSOLETE If SIGNAL is nonzero, give it that signal. */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE m3_resume (ptid_t ptid, int step, enum target_signal signal)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (step)
+// OBSOLETE {
+// OBSOLETE thread_basic_info_data_t th_info;
+// OBSOLETE unsigned int infoCnt = THREAD_BASIC_INFO_COUNT;
+// OBSOLETE
+// OBSOLETE /* There is no point in single stepping when current_thread
+// OBSOLETE * is dead.
+// OBSOLETE */
+// OBSOLETE if (!MACH_PORT_VALID (current_thread))
+// OBSOLETE error ("No thread selected; can not single step");
+// OBSOLETE
+// OBSOLETE /* If current_thread is suspended, tracing it would never return.
+// OBSOLETE */
+// OBSOLETE ret = thread_info (current_thread,
+// OBSOLETE THREAD_BASIC_INFO,
+// OBSOLETE (thread_info_t) & th_info,
+// OBSOLETE &infoCnt);
+// OBSOLETE CHK ("child_resume: can't get thread info", ret);
+// OBSOLETE
+// OBSOLETE if (th_info.suspend_count)
+// OBSOLETE error ("Can't trace a suspended thread. Use \"thread resume\" command to resume it");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE vm_read_cache_valid = FALSE;
+// OBSOLETE
+// OBSOLETE if (signal && PIDGET (inferior_ptid) > 0) /* Do not signal, if attached by MID */
+// OBSOLETE kill (PIDGET (inferior_ptid), target_signal_to_host (signal));
+// OBSOLETE
+// OBSOLETE if (step)
+// OBSOLETE {
+// OBSOLETE suspend_all_threads (0);
+// OBSOLETE
+// OBSOLETE setup_single_step (current_thread, TRUE);
+// OBSOLETE
+// OBSOLETE ret = thread_resume (current_thread);
+// OBSOLETE CHK ("thread_resume", ret);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = task_resume (inferior_task);
+// OBSOLETE if (ret == KERN_FAILURE)
+// OBSOLETE warning ("Task was not suspended");
+// OBSOLETE else
+// OBSOLETE CHK ("Resuming task", ret);
+// OBSOLETE
+// OBSOLETE /* HACK HACK This is needed by the multiserver system HACK HACK */
+// OBSOLETE while ((ret = task_resume (inferior_task)) == KERN_SUCCESS)
+// OBSOLETE /* make sure it really runs */ ;
+// OBSOLETE /* HACK HACK This is needed by the multiserver system HACK HACK */
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE #ifdef ATTACH_DETACH
+// OBSOLETE
+// OBSOLETE /* Start debugging the process with the given task */
+// OBSOLETE void
+// OBSOLETE task_attach (task_t tid)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE inferior_task = tid;
+// OBSOLETE
+// OBSOLETE ret = task_suspend (inferior_task);
+// OBSOLETE CHK ("task_attach: task_suspend", ret);
+// OBSOLETE
+// OBSOLETE must_suspend_thread = 0;
+// OBSOLETE
+// OBSOLETE setup_notify_port (1);
+// OBSOLETE
+// OBSOLETE request_notify (inferior_task, MACH_NOTIFY_DEAD_NAME, MACH_TYPE_TASK);
+// OBSOLETE
+// OBSOLETE setup_exception_port ();
+// OBSOLETE
+// OBSOLETE emulator_present = have_emulator_p (inferior_task);
+// OBSOLETE
+// OBSOLETE attach_flag = 1;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Well, we can call error also here and leave the
+// OBSOLETE * target stack inconsistent. Sigh.
+// OBSOLETE * Fix this sometime (the only way to fail here is that
+// OBSOLETE * the task has no threads at all, which is rare, but
+// OBSOLETE * possible; or if the target task has died, which is also
+// OBSOLETE * possible, but unlikely, since it has been suspended.
+// OBSOLETE * (Someone must have killed it))
+// OBSOLETE */
+// OBSOLETE void
+// OBSOLETE attach_to_thread (void)
+// OBSOLETE {
+// OBSOLETE if (select_thread (inferior_task, 0, 1) != KERN_SUCCESS)
+// OBSOLETE error ("Could not select any threads to attach to");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE mid_attach (int mid)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE ret = machid_mach_port (mid_server, mid_auth, mid, &inferior_task);
+// OBSOLETE CHK ("mid_attach: machid_mach_port", ret);
+// OBSOLETE
+// OBSOLETE task_attach (inferior_task);
+// OBSOLETE
+// OBSOLETE return mid;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE * Start debugging the process whose unix process-id is PID.
+// OBSOLETE * A negative "pid" value is legal and signifies a mach_id not a unix pid.
+// OBSOLETE *
+// OBSOLETE * Prevent (possible unwanted) dangerous operations by enabled users
+// OBSOLETE * like "atta 0" or "atta foo" (equal to the previous :-) and
+// OBSOLETE * "atta pidself". Anyway, the latter is allowed by specifying a MID.
+// OBSOLETE */
+// OBSOLETE static int
+// OBSOLETE m3_do_attach (int pid)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE if (pid == 0)
+// OBSOLETE error ("MID=0, Debugging the master unix server does not compute");
+// OBSOLETE
+// OBSOLETE /* Foo. This assumes gdb has a unix pid */
+// OBSOLETE if (pid == getpid ())
+// OBSOLETE error ("I will debug myself only by mid. (Gdb would suspend itself!)");
+// OBSOLETE
+// OBSOLETE if (pid < 0)
+// OBSOLETE {
+// OBSOLETE mid_attach (-(pid));
+// OBSOLETE
+// OBSOLETE /* inferior_ptid will be NEGATIVE! */
+// OBSOLETE inferior_ptid = pid_to_ptid (pid);
+// OBSOLETE
+// OBSOLETE return PIDGET (inferior_ptid);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE inferior_task = task_by_pid (pid);
+// OBSOLETE if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE error ("Cannot map Unix pid %d to Mach task port", pid);
+// OBSOLETE
+// OBSOLETE task_attach (inferior_task);
+// OBSOLETE
+// OBSOLETE inferior_ptid = pid_to_ptid (pid);
+// OBSOLETE
+// OBSOLETE return PIDGET (inferior_ptid);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Attach to process PID, then initialize for debugging it
+// OBSOLETE and wait for the trace-trap that results from attaching. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_attach (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE char *exec_file;
+// OBSOLETE int pid;
+// OBSOLETE
+// OBSOLETE if (!args)
+// OBSOLETE error_no_arg ("process-id to attach");
+// OBSOLETE
+// OBSOLETE pid = atoi (args);
+// OBSOLETE
+// OBSOLETE if (pid == getpid ()) /* Trying to masturbate? */
+// OBSOLETE error ("I refuse to debug myself!");
+// OBSOLETE
+// OBSOLETE if (from_tty)
+// OBSOLETE {
+// OBSOLETE exec_file = (char *) get_exec_file (0);
+// OBSOLETE
+// OBSOLETE if (exec_file)
+// OBSOLETE printf_unfiltered ("Attaching to program `%s', %s\n", exec_file,
+// OBSOLETE target_pid_to_str (pid_to_ptid (pid)));
+// OBSOLETE else
+// OBSOLETE printf_unfiltered ("Attaching to %s\n",
+// OBSOLETE target_pid_to_str (pid_to_ptid (pid)));
+// OBSOLETE
+// OBSOLETE gdb_flush (gdb_stdout);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE m3_do_attach (pid_to_ptid (pid));
+// OBSOLETE inferior_ptid = pid_to_ptid (pid);
+// OBSOLETE push_target (&m3_ops);
+// OBSOLETE }
+// OBSOLETE \f
+// OBSOLETE void
+// OBSOLETE deallocate_inferior_ports (void)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE thread_array_t thread_list;
+// OBSOLETE int thread_count, index;
+// OBSOLETE
+// OBSOLETE if (!MACH_PORT_VALID (inferior_task))
+// OBSOLETE return;
+// OBSOLETE
+// OBSOLETE ret = task_threads (inferior_task, &thread_list, &thread_count);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE warning ("deallocate_inferior_ports: task_threads",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE return;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Get rid of send rights to task threads */
+// OBSOLETE for (index = 0; index < thread_count; index++)
+// OBSOLETE {
+// OBSOLETE int rights;
+// OBSOLETE ret = mach_port_get_refs (mach_task_self (),
+// OBSOLETE thread_list[index],
+// OBSOLETE MACH_PORT_RIGHT_SEND,
+// OBSOLETE &rights);
+// OBSOLETE CHK ("deallocate_inferior_ports: get refs", ret);
+// OBSOLETE
+// OBSOLETE if (rights > 0)
+// OBSOLETE {
+// OBSOLETE ret = mach_port_mod_refs (mach_task_self (),
+// OBSOLETE thread_list[index],
+// OBSOLETE MACH_PORT_RIGHT_SEND,
+// OBSOLETE -rights);
+// OBSOLETE CHK ("deallocate_inferior_ports: mod refs", ret);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = mach_port_mod_refs (mach_task_self (),
+// OBSOLETE inferior_exception_port,
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE -1);
+// OBSOLETE CHK ("deallocate_inferior_ports: cannot get rid of exception port", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_deallocate (mach_task_self (),
+// OBSOLETE inferior_task);
+// OBSOLETE CHK ("deallocate_task_port: deallocating inferior_task", ret);
+// OBSOLETE
+// OBSOLETE current_thread = MACH_PORT_NULL;
+// OBSOLETE inferior_task = MACH_PORT_NULL;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Stop debugging the process whose number is PID
+// OBSOLETE and continue it with signal number SIGNAL.
+// OBSOLETE SIGNAL = 0 means just continue it. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_do_detach (int signal)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE MACH_ERROR_NO_INFERIOR;
+// OBSOLETE
+// OBSOLETE if (current_thread != MACH_PORT_NULL)
+// OBSOLETE {
+// OBSOLETE /* Store the gdb's view of the thread we are deselecting
+// OBSOLETE * before we detach.
+// OBSOLETE * @@ I am really not sure if this is ever needeed.
+// OBSOLETE */
+// OBSOLETE target_prepare_to_store ();
+// OBSOLETE target_store_registers (-1);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE ret = task_set_special_port (inferior_task,
+// OBSOLETE TASK_EXCEPTION_PORT,
+// OBSOLETE inferior_old_exception_port);
+// OBSOLETE CHK ("task_set_special_port", ret);
+// OBSOLETE
+// OBSOLETE /* Discard all requested notifications */
+// OBSOLETE setup_notify_port (0);
+// OBSOLETE
+// OBSOLETE if (remove_breakpoints ())
+// OBSOLETE warning ("Could not remove breakpoints when detaching");
+// OBSOLETE
+// OBSOLETE if (signal && PIDGET (inferior_ptid) > 0)
+// OBSOLETE kill (PIDGET (inferior_ptid), signal);
+// OBSOLETE
+// OBSOLETE /* the task might be dead by now */
+// OBSOLETE (void) task_resume (inferior_task);
+// OBSOLETE
+// OBSOLETE deallocate_inferior_ports ();
+// OBSOLETE
+// OBSOLETE attach_flag = 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Take a program previously attached to and detaches it.
+// OBSOLETE The program resumes execution and will no longer stop
+// OBSOLETE on signals, etc. We'd better not have left any breakpoints
+// OBSOLETE in the program or it'll die when it hits one. For this
+// OBSOLETE to work, it may be necessary for the process to have been
+// OBSOLETE previously attached. It *might* work if the program was
+// OBSOLETE started via fork. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_detach (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE int siggnal = 0;
+// OBSOLETE
+// OBSOLETE if (from_tty)
+// OBSOLETE {
+// OBSOLETE char *exec_file = get_exec_file (0);
+// OBSOLETE if (exec_file == 0)
+// OBSOLETE exec_file = "";
+// OBSOLETE printf_unfiltered ("Detaching from program: %s %s\n",
+// OBSOLETE exec_file, target_pid_to_str (inferior_ptid));
+// OBSOLETE gdb_flush (gdb_stdout);
+// OBSOLETE }
+// OBSOLETE if (args)
+// OBSOLETE siggnal = atoi (args);
+// OBSOLETE
+// OBSOLETE m3_do_detach (siggnal);
+// OBSOLETE inferior_ptid = null_ptid;
+// OBSOLETE unpush_target (&m3_ops); /* Pop out of handling an inferior */
+// OBSOLETE }
+// OBSOLETE #endif /* ATTACH_DETACH */
+// OBSOLETE
+// OBSOLETE /* Get ready to modify the registers array. On machines which store
+// OBSOLETE individual registers, this doesn't need to do anything. On machines
+// OBSOLETE which store all the registers in one fell swoop, this makes sure
+// OBSOLETE that registers contains all the registers from the program being
+// OBSOLETE debugged. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_prepare_to_store (void)
+// OBSOLETE {
+// OBSOLETE #ifdef CHILD_PREPARE_TO_STORE
+// OBSOLETE CHILD_PREPARE_TO_STORE ();
+// OBSOLETE #endif
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Print status information about what we're accessing. */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_files_info (struct target_ops *ignore)
+// OBSOLETE {
+// OBSOLETE /* FIXME: should print MID and all that crap. */
+// OBSOLETE printf_unfiltered ("\tUsing the running image of %s %s.\n",
+// OBSOLETE attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_open (char *arg, int from_tty)
+// OBSOLETE {
+// OBSOLETE error ("Use the \"run\" command to start a Unix child process.");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #ifdef DUMP_SYSCALL
+// OBSOLETE #define STR(x) #x
+// OBSOLETE
+// OBSOLETE char *bsd1_names[] =
+// OBSOLETE {
+// OBSOLETE "execve",
+// OBSOLETE "fork",
+// OBSOLETE "take_signal",
+// OBSOLETE "sigreturn",
+// OBSOLETE "getrusage",
+// OBSOLETE "chdir",
+// OBSOLETE "chroot",
+// OBSOLETE "open",
+// OBSOLETE "creat",
+// OBSOLETE "mknod",
+// OBSOLETE "link",
+// OBSOLETE "symlink",
+// OBSOLETE "unlink",
+// OBSOLETE "access",
+// OBSOLETE "stat",
+// OBSOLETE "readlink",
+// OBSOLETE "chmod",
+// OBSOLETE "chown",
+// OBSOLETE "utimes",
+// OBSOLETE "truncate",
+// OBSOLETE "rename",
+// OBSOLETE "mkdir",
+// OBSOLETE "rmdir",
+// OBSOLETE "xutimes",
+// OBSOLETE "mount",
+// OBSOLETE "umount",
+// OBSOLETE "acct",
+// OBSOLETE "setquota",
+// OBSOLETE "write_short",
+// OBSOLETE "write_long",
+// OBSOLETE "send_short",
+// OBSOLETE "send_long",
+// OBSOLETE "sendto_short",
+// OBSOLETE "sendto_long",
+// OBSOLETE "select",
+// OBSOLETE "task_by_pid",
+// OBSOLETE "recvfrom_short",
+// OBSOLETE "recvfrom_long",
+// OBSOLETE "setgroups",
+// OBSOLETE "setrlimit",
+// OBSOLETE "sigvec",
+// OBSOLETE "sigstack",
+// OBSOLETE "settimeofday",
+// OBSOLETE "adjtime",
+// OBSOLETE "setitimer",
+// OBSOLETE "sethostname",
+// OBSOLETE "bind",
+// OBSOLETE "accept",
+// OBSOLETE "connect",
+// OBSOLETE "setsockopt",
+// OBSOLETE "getsockopt",
+// OBSOLETE "getsockname",
+// OBSOLETE "getpeername",
+// OBSOLETE "init_process",
+// OBSOLETE "table_set",
+// OBSOLETE "table_get",
+// OBSOLETE "pioctl",
+// OBSOLETE "emulator_error",
+// OBSOLETE "readwrite",
+// OBSOLETE "share_wakeup",
+// OBSOLETE 0,
+// OBSOLETE "maprw_request_it",
+// OBSOLETE "maprw_release_it",
+// OBSOLETE "maprw_remap",
+// OBSOLETE "pid_by_task",
+// OBSOLETE };
+// OBSOLETE
+// OBSOLETE int bsd1_nnames = sizeof (bsd1_names) / sizeof (bsd1_names[0]);
+// OBSOLETE
+// OBSOLETE char *
+// OBSOLETE name_str (int name, char *buf)
+// OBSOLETE {
+// OBSOLETE switch (name)
+// OBSOLETE {
+// OBSOLETE case MACH_MSG_TYPE_BOOLEAN:
+// OBSOLETE return "boolean";
+// OBSOLETE case MACH_MSG_TYPE_INTEGER_16:
+// OBSOLETE return "short";
+// OBSOLETE case MACH_MSG_TYPE_INTEGER_32:
+// OBSOLETE return "long";
+// OBSOLETE case MACH_MSG_TYPE_CHAR:
+// OBSOLETE return "char";
+// OBSOLETE case MACH_MSG_TYPE_BYTE:
+// OBSOLETE return "byte";
+// OBSOLETE case MACH_MSG_TYPE_REAL:
+// OBSOLETE return "real";
+// OBSOLETE case MACH_MSG_TYPE_STRING:
+// OBSOLETE return "string";
+// OBSOLETE default:
+// OBSOLETE sprintf (buf, "%d", name);
+// OBSOLETE return buf;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE char *
+// OBSOLETE id_str (int id, char *buf)
+// OBSOLETE {
+// OBSOLETE char *p;
+// OBSOLETE if (id >= 101000 && id < 101000 + bsd1_nnames)
+// OBSOLETE {
+// OBSOLETE if (p = bsd1_names[id - 101000])
+// OBSOLETE return p;
+// OBSOLETE }
+// OBSOLETE if (id == 102000)
+// OBSOLETE return "psignal_retry";
+// OBSOLETE if (id == 100000)
+// OBSOLETE return "syscall";
+// OBSOLETE sprintf (buf, "%d", id);
+// OBSOLETE return buf;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE print_msg (mach_msg_header_t *mp)
+// OBSOLETE {
+// OBSOLETE char *fmt_x = "%20s : 0x%08x\n";
+// OBSOLETE char *fmt_d = "%20s : %10d\n";
+// OBSOLETE char *fmt_s = "%20s : %s\n";
+// OBSOLETE char buf[100];
+// OBSOLETE
+// OBSOLETE puts_filtered ("\n");
+// OBSOLETE #define pr(fmt,h,x) printf_filtered(fmt,STR(x),(h).x)
+// OBSOLETE pr (fmt_x, (*mp), msgh_bits);
+// OBSOLETE pr (fmt_d, (*mp), msgh_size);
+// OBSOLETE pr (fmt_x, (*mp), msgh_remote_port);
+// OBSOLETE pr (fmt_x, (*mp), msgh_local_port);
+// OBSOLETE pr (fmt_d, (*mp), msgh_kind);
+// OBSOLETE printf_filtered (fmt_s, STR (msgh_id), id_str (mp->msgh_id, buf));
+// OBSOLETE
+// OBSOLETE if (debug_level > 1)
+// OBSOLETE {
+// OBSOLETE char *p, *ep, *dp;
+// OBSOLETE int plen;
+// OBSOLETE p = (char *) mp;
+// OBSOLETE ep = p + mp->msgh_size;
+// OBSOLETE p += sizeof (*mp);
+// OBSOLETE for (; p < ep; p += plen)
+// OBSOLETE {
+// OBSOLETE mach_msg_type_t *tp;
+// OBSOLETE mach_msg_type_long_t *tlp;
+// OBSOLETE int name, size, number;
+// OBSOLETE tp = (mach_msg_type_t *) p;
+// OBSOLETE if (tp->msgt_longform)
+// OBSOLETE {
+// OBSOLETE tlp = (mach_msg_type_long_t *) tp;
+// OBSOLETE name = tlp->msgtl_name;
+// OBSOLETE size = tlp->msgtl_size;
+// OBSOLETE number = tlp->msgtl_number;
+// OBSOLETE plen = sizeof (*tlp);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE name = tp->msgt_name;
+// OBSOLETE size = tp->msgt_size;
+// OBSOLETE number = tp->msgt_number;
+// OBSOLETE plen = sizeof (*tp);
+// OBSOLETE }
+// OBSOLETE printf_filtered ("name=%-16s size=%2d number=%7d inline=%d long=%d deal=%d\n",
+// OBSOLETE name_str (name, buf), size, number, tp->msgt_inline,
+// OBSOLETE tp->msgt_longform, tp->msgt_deallocate);
+// OBSOLETE dp = p + plen;
+// OBSOLETE if (tp->msgt_inline)
+// OBSOLETE {
+// OBSOLETE int l;
+// OBSOLETE l = size * number / 8;
+// OBSOLETE l = (l + sizeof (long) - 1) & ~((sizeof (long)) - 1);
+// OBSOLETE plen += l;
+// OBSOLETE print_data (dp, size, number);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE plen += sizeof (int *);
+// OBSOLETE }
+// OBSOLETE printf_filtered ("plen=%d\n", plen);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE print_data (char *p, int size, int number)
+// OBSOLETE {
+// OBSOLETE int *ip;
+// OBSOLETE short *sp;
+// OBSOLETE int i;
+// OBSOLETE
+// OBSOLETE switch (size)
+// OBSOLETE {
+// OBSOLETE case 8:
+// OBSOLETE for (i = 0; i < number; i++)
+// OBSOLETE {
+// OBSOLETE printf_filtered (" %02x", p[i]);
+// OBSOLETE }
+// OBSOLETE break;
+// OBSOLETE case 16:
+// OBSOLETE sp = (short *) p;
+// OBSOLETE for (i = 0; i < number; i++)
+// OBSOLETE {
+// OBSOLETE printf_filtered (" %04x", sp[i]);
+// OBSOLETE }
+// OBSOLETE break;
+// OBSOLETE case 32:
+// OBSOLETE ip = (int *) p;
+// OBSOLETE for (i = 0; i < number; i++)
+// OBSOLETE {
+// OBSOLETE printf_filtered (" %08x", ip[i]);
+// OBSOLETE }
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE puts_filtered ("\n");
+// OBSOLETE }
+// OBSOLETE #endif /* DUMP_SYSCALL */
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE m3_stop (void)
+// OBSOLETE {
+// OBSOLETE error ("to_stop target function not implemented");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static char *
+// OBSOLETE m3_pid_to_exec_file (int pid)
+// OBSOLETE {
+// OBSOLETE error ("to_pid_to_exec_file target function not implemented");
+// OBSOLETE return NULL; /* To keep all compilers happy. */
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE init_m3_ops (void)
+// OBSOLETE {
+// OBSOLETE m3_ops.to_shortname = "mach";
+// OBSOLETE m3_ops.to_longname = "Mach child process";
+// OBSOLETE m3_ops.to_doc = "Mach child process (started by the \"run\" command).";
+// OBSOLETE m3_ops.to_open = m3_open;
+// OBSOLETE m3_ops.to_attach = m3_attach;
+// OBSOLETE m3_ops.to_detach = m3_detach;
+// OBSOLETE m3_ops.to_resume = m3_resume;
+// OBSOLETE m3_ops.to_wait = mach_really_wait;
+// OBSOLETE m3_ops.to_fetch_registers = fetch_inferior_registers;
+// OBSOLETE m3_ops.to_store_registers = store_inferior_registers;
+// OBSOLETE m3_ops.to_prepare_to_store = m3_prepare_to_store;
+// OBSOLETE m3_ops.to_xfer_memory = m3_xfer_memory;
+// OBSOLETE m3_ops.to_files_info = m3_files_info;
+// OBSOLETE m3_ops.to_insert_breakpoint = memory_insert_breakpoint;
+// OBSOLETE m3_ops.to_remove_breakpoint = memory_remove_breakpoint;
+// OBSOLETE m3_ops.to_terminal_init = terminal_init_inferior;
+// OBSOLETE m3_ops.to_terminal_inferior = terminal_inferior;
+// OBSOLETE m3_ops.to_terminal_ours_for_output = terminal_ours_for_output;
+// OBSOLETE m3_ops.to_terminal_save_ours = terminal_save_ours;
+// OBSOLETE m3_ops.to_terminal_ours = terminal_ours;
+// OBSOLETE m3_ops.to_terminal_info = child_terminal_info;
+// OBSOLETE m3_ops.to_kill = m3_kill_inferior;
+// OBSOLETE m3_ops.to_create_inferior = m3_create_inferior;
+// OBSOLETE m3_ops.to_mourn_inferior = m3_mourn_inferior;
+// OBSOLETE m3_ops.to_can_run = m3_can_run;
+// OBSOLETE m3_ops.to_stop = m3_stop;
+// OBSOLETE m3_ops.to_pid_to_exec_file = m3_pid_to_exec_file;
+// OBSOLETE m3_ops.to_stratum = process_stratum;
+// OBSOLETE m3_ops.to_has_all_memory = 1;
+// OBSOLETE m3_ops.to_has_memory = 1;
+// OBSOLETE m3_ops.to_has_stack = 1;
+// OBSOLETE m3_ops.to_has_registers = 1;
+// OBSOLETE m3_ops.to_has_execution = 1;
+// OBSOLETE m3_ops.to_magic = OPS_MAGIC;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE _initialize_m3_nat (void)
+// OBSOLETE {
+// OBSOLETE kern_return_t ret;
+// OBSOLETE
+// OBSOLETE init_m3_ops ();
+// OBSOLETE add_target (&m3_ops);
+// OBSOLETE
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_PORT_SET,
+// OBSOLETE &inferior_wait_port_set);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE internal_error (__FILE__, __LINE__,
+// OBSOLETE "initial port set %s", mach_error_string (ret));
+// OBSOLETE
+// OBSOLETE /* mach_really_wait now waits for this */
+// OBSOLETE currently_waiting_for = inferior_wait_port_set;
+// OBSOLETE
+// OBSOLETE ret = netname_look_up (name_server_port, hostname, "MachID", &mid_server);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE {
+// OBSOLETE mid_server = MACH_PORT_NULL;
+// OBSOLETE
+// OBSOLETE warning ("initialize machid: netname_lookup_up(MachID) : %s",
+// OBSOLETE mach_error_string (ret));
+// OBSOLETE warning ("Some (most?) features disabled...");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE mid_auth = mach_privileged_host_port ();
+// OBSOLETE if (mid_auth == MACH_PORT_NULL)
+// OBSOLETE mid_auth = mach_task_self ();
+// OBSOLETE
+// OBSOLETE obstack_init (port_chain_obstack);
+// OBSOLETE
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE &thread_exception_port);
+// OBSOLETE CHK ("Creating thread_exception_port for single stepping", ret);
+// OBSOLETE
+// OBSOLETE ret = mach_port_insert_right (mach_task_self (),
+// OBSOLETE thread_exception_port,
+// OBSOLETE thread_exception_port,
+// OBSOLETE MACH_MSG_TYPE_MAKE_SEND);
+// OBSOLETE CHK ("Inserting send right to thread_exception_port", ret);
+// OBSOLETE
+// OBSOLETE /* Allocate message port */
+// OBSOLETE ret = mach_port_allocate (mach_task_self (),
+// OBSOLETE MACH_PORT_RIGHT_RECEIVE,
+// OBSOLETE &our_message_port);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("Creating message port %s", mach_error_string (ret));
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE char buf[MAX_NAME_LEN];
+// OBSOLETE ret = mach_port_move_member (mach_task_self (),
+// OBSOLETE our_message_port,
+// OBSOLETE inferior_wait_port_set);
+// OBSOLETE if (ret != KERN_SUCCESS)
+// OBSOLETE warning ("message move member %s", mach_error_string (ret));
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* @@@@ No way to change message port name currently */
+// OBSOLETE /* Foo. This assumes gdb has a unix pid */
+// OBSOLETE sprintf (buf, "gdb-%d", getpid ());
+// OBSOLETE gdb_register_port (buf, our_message_port);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Heap for thread commands */
+// OBSOLETE obstack_init (cproc_obstack);
+// OBSOLETE
+// OBSOLETE add_mach_specific_commands ();
+// OBSOLETE }
projects / binutils-gdb.git / commitdiff