+Fri Oct 29 16:30:36 1993 Stan Shebs (shebs@rtl.cygnus.com)
+
+ LynxOS support:
+ * configure.in: Change *-*-lynx* to *-*-lynxos*, add
+ sparc-*-lynxos*.
+ * Makefile.in (ALLDEPFILES): Add m68kly-nat.c, sparcly-nat.c.
+ Rename i386lynx-nat.[co] to i386ly-nat.[co].
+ (ALLCONFIG): Add config/{m68k,sparc}/{m68k,sparc}lynx.m[ht].
+ (m68kly-nat.o, sparcly-nat.o): Add rules.
+ * i386ly-tdep.c: Cosmetics.
+ * i386lynx-nat.c: Removed.
+ * i386ly-nat.c: New file, was i386lynx-nat.c.
+ * m68kly-nat.c: New file.
+ * sparcly-nat.c: New file.
+ * config/xm-lynx.h: New file, cpu-independent host info.
+ * config/i386/i386lynx.mh: Changes for consistency.
+ * config/i386/i386lynx.mt: Ditto.
+ * config/i386/tm-i386lynx.h: Ditto.
+ * config/i386/nm-i386lynx.h: Ditto.
+ * config/i386/xm-i386lynx.h: Include config/xm-lynx.h.
+ * config/m68k/m68klynx.mh, config/m68k/m68klynx.mt,
+ config/m68k/tm-m68klynx.h, config/m68k/nm-m68klynx.h,
+ config/m68k/xm-m68klynx.h: New files, M68K LynxOS support.
+ * config/sparc/sparclynx.mh, config/sparc/sparclynx.mt,
+ config/sparc/tm-sparclynx.h, config/sparc/nm-sparclynx.h,
+ config/sparc/xm-sparclynx.h: New files, Sparc LynxOS support.
+
Fri Oct 29 08:11:29 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
* defs.h, findvar.c (extract_floating, store_floating): New functions.
-# Host: Intel 386 running Lynx
-XDEPFILES=
-NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386lynx-nat.o
+# Host: Intel 386 running LynxOS
XM_FILE= xm-i386lynx.h
+XDEPFILES=
NAT_FILE= nm-i386lynx.h
+NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386ly-nat.o
REGEX=regex.o
REGEX1=regex.o
GDBSERVER_LIBS= -lbsd
-# Target: Intel 386 running Lynx
+# Target: Intel 386 running LynxOS
TDEPFILES= exec.o coff-solib.o i386-tdep.o i386-pinsn.o i386ly-tdep.o
TM_FILE= tm-i386lynx.h
-/* Native-dependent definitions for Intel 386 running Lynx, for GDB.
- Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Native-dependent definitions for Intel 386 running LynxOS.
+ Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.
#include <sys/proc.h>
#include "thread.h"
-/* This is the amount to subtract from u.u_ar0
- to get the offset in the core file of the register values. */
+/* This is the amount to subtract from u.u_ar0 to get the offset in
+ the core file of the register values. */
#define KERNEL_U_ADDR USRSTACK
#define WIFTID(x) (((union wait *)&x)->w_tid)
#define CHILD_WAIT
-extern int child_wait PARAMS ((int *status));
+
+extern int child_wait PARAMS ((int pid, int *status));
/* Lynx needs a special definition of this so that we can
print out the pid and thread number seperatly. */
-/* Macro definitions for i386 running under BSD Unix.
- Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+/* Macro definitions for Intel 386 running under LynxOS.
+ Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.
-/* Host-dependent definitions for Intel 386 running Lynx, for GDB.
- Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Host-dependent definitions for Intel 386 running LynxOS.
+ Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.
#define HOST_BYTE_ORDER LITTLE_ENDIAN
-#include <limits.h> /* for INT_MIN, to avoid "INT_MIN
- redefined" warnings from defs.h */
+/* Get generic LynxOS host definitions. */
-/* psignal() is in <signal.h>. */
-
-#define PSIGNAL_IN_SIGNAL_H
-
-/* Get rid of any system-imposed stack limit if possible. */
-
-#define SET_STACK_LIMIT_HUGE
-
-#define MEM_FNS_DECLARED
+#include "xm-lynx.h"
--- /dev/null
+# Host: Motorola 680x0 running LynxOS
+XM_FILE= xm-m68klynx.h
+XDEPFILES=
+NAT_FILE= nm-m68klynx.h
+NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o corelow.o m68kly-nat.o
+REGEX=regex.o
+REGEX1=regex.o
+GDBSERVER_LIBS= -lbsd
+GDBSERVER_DEPFILES= low-lynx.o
--- /dev/null
+# Target: Motorola 680x0 running LynxOS
+TDEPFILES= exec.o coff-solib.o m68k-tdep.o m68k-pinsn.o
+# m68kly-tdep.o
+TM_FILE= tm-m68klynx.h
--- /dev/null
+/* Native-dependent definitions for Motorola 680x0 running LynxOS.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifndef NM_M68KLYNX_H
+#define NM_M68KLYNX_H
+
+#include <sys/conf.h>
+#include <sys/kernel.h>
+#include <sys/mem.h>
+#include <sys/signal.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/itimer.h>
+#include <sys/file.h>
+#include <sys/proc.h>
+#include "thread.h"
+
+/* This is the amount to subtract from u.u_ar0 to get the offset in
+ the core file of the register values. */
+
+#define KERNEL_U_ADDR USRSTACK
+
+#undef FLOAT_INFO /* No float info yet */
+
+#define PTRACE_ARG3_TYPE char*
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* Thread ID of stopped thread. */
+
+#define WIFTID(x) (((union wait *)&x)->w_tid)
+
+#define CHILD_WAIT
+
+extern int child_wait PARAMS ((int pid, int *status));
+
+#if 0 /* need a sparclynx-nat.c to define this */
+/* Lynx needs a special definition of this so that we can
+ print out the pid and thread number seperatly. */
+
+#undef target_pid_to_str
+#define target_pid_to_str(PID) m68klynx_pid_to_str (PID)
+
+extern char *m68klynx_pid_to_str PARAMS ((int pid));
+#endif
+
+#endif /* NM_M68KLYNX_H */
--- /dev/null
+/* Macro definitions for Motorola 680x0 running under LynxOS.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifndef TM_M68KLYNX_H
+#define TM_M68KLYNX_H
+
+/* Use the generic 68k definitions. */
+
+#include "m68k/tm-m68k.h"
+
+/* Include COFF shared library support. */
+
+#include "coff-solib.h"
+
+#endif /* TM_M68KLYNX_H */
--- /dev/null
+/* Host-dependent definitions for Motorola 680x0 running LynxOS, for GDB.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* Get generic LynxOS host definitions. */
+
+#include "xm-lynx.h"
--- /dev/null
+/* Native-dependent definitions for Sparc running LynxOS.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifndef NM_SPARCLYNX_H
+#define NM_SPARCLYNX_H
+
+#include <sys/conf.h>
+#include <sys/kernel.h>
+#include <sys/mem.h>
+#include <sys/signal.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/itimer.h>
+#include <sys/file.h>
+#include <sys/proc.h>
+#include "thread.h"
+
+/* This is the amount to subtract from u.u_ar0 to get the offset in
+ the core file of the register values. */
+
+#define KERNEL_U_ADDR USRSTACK
+
+#undef FLOAT_INFO /* No float info yet */
+
+#define PTRACE_ARG3_TYPE char*
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
+#define FETCH_INFERIOR_REGISTERS
+
+/* Thread ID of stopped thread. */
+
+#define WIFTID(x) (((union wait *)&x)->w_tid)
+
+#define CHILD_WAIT
+
+extern int child_wait PARAMS ((int pid, int *status));
+
+#if 0 /* need sparcly-nat.c to define this */
+/* Lynx needs a special definition of this so that we can
+ print out the pid and thread number seperatly. */
+
+#undef target_pid_to_str
+#define target_pid_to_str(PID) sparclynx_pid_to_str (PID)
+
+extern char *sparclynx_pid_to_str PARAMS ((int pid));
+#endif
+
+#endif /* NM_SPARCLYNX_H */
--- /dev/null
+# Host: Sparc running LynxOS
+XM_FILE= xm-sparclynx.h
+XDEPFILES=
+NAT_FILE= nm-sparclynx.h
+NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o sparcly-nat.o
+REGEX=regex.o
+REGEX1=regex.o
+GDBSERVER_LIBS= -lbsd
+GDBSERVER_DEPFILES= low-lynx.o
--- /dev/null
+# Target: Sparc running LynxOS
+TDEPFILES= exec.o coff-solib.o sparc-tdep.o sparc-pinsn.o
+TM_FILE= tm-sparclynx.h
--- /dev/null
+/* Macro definitions for Sparc running under LynxOS.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifndef TM_SPARCLYNX_H
+#define TM_SPARCLYNX_H
+
+/* Use generic Sparc definitions. */
+
+#include "sparc/tm-sparc.h"
+
+/* Include COFF shared library support. */
+
+#include "coff-solib.h"
+
+#endif /* TM_SPARCLYNX_H */
--- /dev/null
+/* Host-dependent definitions for Sparc running LynxOS, for GDB.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+/* Get generic LynxOS host definitions. */
+
+#include "xm-lynx.h"
--- /dev/null
+/* Host-dependent definitions for any CPU running LynxOS.
+ Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* for INT_MIN, to avoid "INT_MIN redefined" warnings from defs.h */
+
+#include <limits.h>
+
+/* psignal() is in <signal.h>. */
+
+#define PSIGNAL_IN_SIGNAL_H
+
+/* Get rid of any system-imposed stack limit if possible. */
+
+#define SET_STACK_LIMIT_HUGE
+
+#define MEM_FNS_DECLARED
i[34]86-*-netbsd*) gdb_host=i386bsd ;;
i[34]86-*-go32*) gdb_host=go32 ;;
i[34]86-*-linux*) gdb_host=linux ;;
-i[34]86-*-lynx*) gdb_host=i386lynx ;;
+i[34]86-*-lynxos*) gdb_host=i386lynx ;;
# Obsolete I suspect
# i[34]86-*-mach) gdb_host=i386mach ;;
i[34]86-*-mach*) gdb_host=i386m3 ;;
m68*-hp-bsd*) gdb_host=hp300bsd ;;
m68*-hp-hpux*) gdb_host=hp300hpux ;;
m68*-isi-*) gdb_host=isi ;;
+m68*-*-lynxos*) gdb_host=m68klynx ;;
m68*-motorola-*) gdb_host=delta68 ;;
m68*-sony-*) gdb_host=news ;;
m68*-sun-sunos3*) gdb_host=sun3os3 ;;
rs6000-*-*) gdb_host=rs6000 ;;
+sparc-*-lynxos*) gdb_host=sparclynx ;;
sparc-*-solaris2*) gdb_host=sun4sol2 ;;
sparc-*-sunos4*) gdb_host=sun4os4 ;;
sparc-*-*) gdb_host=sun4os4 ;;
i[34]86-*-bsd*) gdb_target=i386bsd ;;
i[34]86-*-netbsd*) gdb_target=i386bsd ;;
i[34]86-*-go32*) gdb_target=i386aout ;;
-i[34]86-*-lynx*) gdb_target=i386lynx
+i[34]86-*-lynxos*) gdb_target=i386lynx
configdirs="${configdirs} gdbserver"
;;
i[34]86-*-solaris*) gdb_target=i386sol2 ;;
m68*-*-aout*) gdb_target=m68k-em ;;
m68*-*-coff*) gdb_target=m68k-em ;;
m68*-*-elf*) gdb_target=m68k-em ;;
+m68*-*-lynxos*) gdb_target=m68klynx
+ configdirs="${configdirs} gdbserver"
+ ;;
m68*-*-os68k*) gdb_target=os68k ;;
m68*-*-sunos3*) gdb_target=sun3os3 ;;
m68*-*-sunos4*) gdb_target=sun3os4 ;;
sparc-*-aout*) gdb_target=sparc-em ;;
sparc-*-coff*) gdb_target=sparc-em ;;
sparc-*-elf*) gdb_target=sparc-em ;;
+sparc-*-lynxos*) gdb_target=sparclynx
+ configdirs="${configdirs} gdbserver"
+ ;;
sparc-*-solaris2*) gdb_target=sun4sol2 ;;
sparc-*-sunos4*) gdb_target=sun4os4 ;;
sparc-*-vxworks*) gdb_target=vxsparc ;;
--- /dev/null
+/* Native-dependent code for Intel 386 running LynxOS.
+ Copyright 1988, 1989, 1991, 1992, 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "defs.h"
+#include "frame.h"
+#include "inferior.h"
+#include "target.h"
+
+#include <sys/ptrace.h>
+#include "/usr/include/sys/wait.h"
+
+/* these values indicate the offset of the named register in the econtext
+ structure */
+
+#define EAX 10
+#define ECX 9
+#define EDX 8
+#define EBX 7
+#define ESP 16
+#define EBP 5
+#define ESI 4
+#define EDI 3
+#define EIP 13
+#define EFL 15
+#define CS 14
+#define SS 17
+#define DS 2
+#define ES 1
+
+/* Currently these are not being used. So set them to 0 */
+
+#define FS 0
+#define GS 0
+
+/* this table must line up with REGISTER_NAMES in m-i386.h */
+static unsigned int regmap[] =
+{
+ EAX, ECX, EDX, EBX,
+ ESP, EBP, ESI, EDI,
+ EIP, EFL, CS, SS,
+ DS, ES, FS, GS,
+};
+
+/* Return the address in the core dump or inferior of register REGNO.
+ BLOCKEND is the address of the econtext structure */
+
+static unsigned int
+register_addr (regno, blockend)
+ int regno, blockend;
+{
+ if (regno < 0 || regno >= NUM_REGS)
+ error ("Invalid register number %d.", regno);
+
+ return (blockend + regmap[regno] * sizeof (long));
+}
+
+/* Fetch one register. */
+
+static void
+fetch_register (regno, offset, bpid)
+ int regno, bpid;
+ unsigned int offset;
+{
+ unsigned int regaddr;
+ char buf[MAX_REGISTER_RAW_SIZE];
+ char mess[128]; /* For messages */
+ int i;
+
+ regaddr = register_addr (regno, offset);
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
+ {
+ errno = 0;
+ *(int *) &buf[i] = ptrace (PTRACE_PEEKTHREAD, bpid,
+ (PTRACE_ARG3_TYPE) regaddr, 0);
+ regaddr += sizeof (int);
+ if (errno != 0)
+ {
+ sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
+ perror_with_name (mess);
+ }
+ }
+ supply_register (regno, buf);
+}
+
+/* Store our register values back into the inferior.
+ If REGNO is -1, do this for all registers.
+ Otherwise, REGNO specifies which register (so we can save time). */
+
+static void
+store_register (regno, offset, bpid)
+ int regno, bpid;
+ unsigned int offset;
+{
+ unsigned int regaddr;
+ char mess[128];
+ extern char registers[];
+ int i;
+
+ regaddr = register_addr (regno, offset);
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
+ {
+ errno = 0;
+ ptrace (PTRACE_POKEUSER, bpid, (PTRACE_ARG3_TYPE) regaddr,
+ *(int *) ®isters[REGISTER_BYTE (regno) + i]);
+ if (errno != 0)
+ {
+ sprintf (mess, "writing register number %d(%d)", regno, i);
+ perror_with_name (mess);
+ }
+ regaddr += sizeof(int);
+ }
+}
+
+/* return an offset for use with register_addr() */
+
+static unsigned int
+fetch_offset (pid)
+ int pid;
+{
+ struct st_entry s;
+ unsigned int specpage_off, offset = (char *) &s.ecp - (char *) &s;
+
+ errno = 0;
+ specpage_off = ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE) 0, 0);
+ if (errno != 0)
+ perror_with_name ("ptrace");
+ errno = 0;
+ offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0)
+ - specpage_off;
+ if (errno != 0)
+ perror_with_name ("ptrace");
+ return offset;
+}
+
+/* Fetch all registers, or just one, from the child process. */
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+ unsigned int offset = fetch_offset (inferior_pid);
+
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ fetch_register (regno, offset, inferior_pid);
+ }
+ else
+ fetch_register (regno, offset, inferior_pid);
+}
+
+/* Store all registers, or just one, to the child process. */
+
+void
+store_inferior_registers (regno)
+ int regno;
+{
+ unsigned int offset = fetch_offset (inferior_pid);
+
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ store_register (regno, offset, inferior_pid);
+ }
+ else
+ store_register (regno, offset, inferior_pid);
+}
+
+/* Wait for child to do something. Return pid of child, or -1 in case
+ of error; store status through argument pointer STATUS. */
+
+int
+child_wait (pid, status)
+ int pid;
+ int *status;
+{
+ int save_errno;
+ int thread;
+
+ while (1)
+ {
+ int sig;
+
+ if (attach_flag)
+ set_sigint_trap(); /* Causes SIGINT to be passed on to the
+ attached process. */
+ pid = wait (status);
+ save_errno = errno;
+
+ if (attach_flag)
+ clear_sigint_trap();
+
+ if (pid == -1)
+ {
+ if (save_errno == EINTR)
+ continue;
+ fprintf (stderr, "Child process unexpectedly missing: %s.\n",
+ safe_strerror (save_errno));
+ *status = 42; /* Claim it exited with signal 42 */
+ return -1;
+ }
+
+ if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
+ continue;
+
+/* thread = WIFTID (*status);*/
+ thread = *status >> 16;
+
+ /* Initial thread value can only be acquired via wait, so we have to
+ resort to this hack. */
+
+ if (TIDGET (inferior_pid) == 0)
+ {
+ inferior_pid = BUILDPID (inferior_pid, thread);
+ add_thread (inferior_pid);
+ }
+
+ pid = BUILDPID (pid, thread);
+
+ return pid;
+ }
+}
+
+/* Convert a Lynx process ID to a string. Returns the string in a static
+ buffer. */
+
+char *
+i386lynx_pid_to_str (pid)
+ int pid;
+{
+ static char buf[40];
+
+ sprintf (buf, "process %d thread %d", PIDGET (pid), TIDGET (pid));
+
+ return buf;
+}
+
+/* Extract the register values out of the core file and store
+ them where `read_register' will find them.
+
+ CORE_REG_SECT points to the register values themselves, read into memory.
+ CORE_REG_SIZE is the size of that area.
+ WHICH says which set of registers we are handling (0 = int, 2 = float
+ on machines where they are discontiguous).
+ REG_ADDR is the offset from u.u_ar0 to the register values relative to
+ core_reg_sect. This is used with old-fashioned core files to
+ locate the registers in a large upage-plus-stack ".reg" section.
+ Original upage address X is at location core_reg_sect+x+reg_addr.
+ */
+
+void
+fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
+ char *core_reg_sect;
+ unsigned core_reg_size;
+ int which;
+ unsigned reg_addr;
+{
+ struct st_entry s;
+ unsigned int regno, addr;
+
+ for (regno = 0; regno < NUM_REGS; regno++)
+ {
+ addr = register_addr (regno, (char *) &s.ec - (char *) &s);
+ supply_register (regno, core_reg_sect + addr);
+ }
+}
-/* Target-dependent code for Lynx running on i386's, for GDB.
- Copyright 1988, 1989, 1991, 1992, 1993
- Free Software Foundation, Inc.
+/* Target-dependent code for Intel 386 running LynxOS.
+ Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.
+++ /dev/null
-/* Native-dependent code for Lynx running on i386's, for GDB.
- Copyright 1988, 1989, 1991, 1992, 1993
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include "defs.h"
-#include "frame.h"
-#include "inferior.h"
-#include "target.h"
-
-#include <sys/ptrace.h>
-#include "/usr/include/sys/wait.h"
-
-/* these values indicate the offset of the named register in the econtext
- structure */
-
-#define EAX 10
-#define ECX 9
-#define EDX 8
-#define EBX 7
-#define ESP 16
-#define EBP 5
-#define ESI 4
-#define EDI 3
-#define EIP 13
-#define EFL 15
-#define CS 14
-#define SS 17
-#define DS 2
-#define ES 1
-
-/* Currently these are not being used. So set them to 0 */
-
-#define FS 0
-#define GS 0
-
-/* this table must line up with REGISTER_NAMES in m-i386.h */
-static unsigned int regmap[] =
-{
- EAX, ECX, EDX, EBX,
- ESP, EBP, ESI, EDI,
- EIP, EFL, CS, SS,
- DS, ES, FS, GS,
-};
-
-/* Return the address in the core dump or inferior of register REGNO.
- BLOCKEND is the address of the econtext structure */
-
-static unsigned int
-register_addr (regno, blockend)
- int regno, blockend;
-{
- if (regno < 0 || regno >= NUM_REGS)
- error ("Invalid register number %d.", regno);
-
- return (blockend + regmap[regno] * sizeof (long));
-}
-
-/* Fetch one register. */
-
-static void
-fetch_register (regno, offset, bpid)
- int regno, bpid;
- unsigned int offset;
-{
- unsigned int regaddr;
- char buf[MAX_REGISTER_RAW_SIZE];
- char mess[128]; /* For messages */
- int i;
-
- regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- {
- errno = 0;
- *(int *) &buf[i] = ptrace (PTRACE_PEEKTHREAD, bpid,
- (PTRACE_ARG3_TYPE) regaddr, 0);
- regaddr += sizeof (int);
- if (errno != 0)
- {
- sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
- perror_with_name (mess);
- }
- }
- supply_register (regno, buf);
-}
-
-/* Store our register values back into the inferior.
- If REGNO is -1, do this for all registers.
- Otherwise, REGNO specifies which register (so we can save time). */
-
-static void
-store_register (regno, offset, bpid)
- int regno, bpid;
- unsigned int offset;
-{
- unsigned int regaddr;
- char mess[128];
- extern char registers[];
- int i;
-
- regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
- {
- errno = 0;
- ptrace (PTRACE_POKEUSER, bpid, (PTRACE_ARG3_TYPE) regaddr,
- *(int *) ®isters[REGISTER_BYTE (regno) + i]);
- if (errno != 0)
- {
- sprintf (mess, "writing register number %d(%d)", regno, i);
- perror_with_name (mess);
- }
- regaddr += sizeof(int);
- }
-}
-
-/* return an offset for use with register_addr() */
-
-static unsigned int
-fetch_offset (pid)
- int pid;
-{
- struct st_entry s;
- unsigned int specpage_off, offset = (char *) &s.ecp - (char *) &s;
-
- errno = 0;
- specpage_off = ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE) 0, 0);
- if (errno != 0)
- perror_with_name ("ptrace");
- errno = 0;
- offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0)
- - specpage_off;
- if (errno != 0)
- perror_with_name ("ptrace");
- return offset;
-}
-
-/* Fetch all registers, or just one, from the child process. */
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
- unsigned int offset = fetch_offset (inferior_pid);
-
- if (regno == -1)
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- fetch_register (regno, offset, inferior_pid);
- }
- else
- fetch_register (regno, offset, inferior_pid);
-}
-
-/* Store all registers, or just one, to the child process. */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
- unsigned int offset = fetch_offset (inferior_pid);
-
- if (regno == -1)
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- store_register (regno, offset, inferior_pid);
- }
- else
- store_register (regno, offset, inferior_pid);
-}
-
-/* Wait for child to do something. Return pid of child, or -1 in case
- of error; store status through argument pointer STATUS. */
-
-int
-child_wait (pid, status)
- int pid;
- int *status;
-{
- int save_errno;
- int thread;
-
- while (1)
- {
- int sig;
-
- if (attach_flag)
- set_sigint_trap(); /* Causes SIGINT to be passed on to the
- attached process. */
- pid = wait (status);
- save_errno = errno;
-
- if (attach_flag)
- clear_sigint_trap();
-
- if (pid == -1)
- {
- if (save_errno == EINTR)
- continue;
- fprintf (stderr, "Child process unexpectedly missing: %s.\n",
- safe_strerror (save_errno));
- *status = 42; /* Claim it exited with signal 42 */
- return -1;
- }
-
- if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
- continue;
-
-/* thread = WIFTID (*status);*/
- thread = *status >> 16;
-
- /* Initial thread value can only be acquired via wait, so we have to
- resort to this hack. */
-
- if (TIDGET (inferior_pid) == 0)
- {
- inferior_pid = BUILDPID (inferior_pid, thread);
- add_thread (inferior_pid);
- }
-
- pid = BUILDPID (pid, thread);
-
- return pid;
- }
-}
-
-/* Convert a Lynx process ID to a string. Returns the string in a static
- buffer. */
-
-char *
-i386lynx_pid_to_str (pid)
- int pid;
-{
- static char buf[40];
-
- sprintf (buf, "process %d thread %d", PIDGET (pid), TIDGET (pid));
-
- return buf;
-}
-
-/* Extract the register values out of the core file and store
- them where `read_register' will find them.
-
- CORE_REG_SECT points to the register values themselves, read into memory.
- CORE_REG_SIZE is the size of that area.
- WHICH says which set of registers we are handling (0 = int, 2 = float
- on machines where they are discontiguous).
- REG_ADDR is the offset from u.u_ar0 to the register values relative to
- core_reg_sect. This is used with old-fashioned core files to
- locate the registers in a large upage-plus-stack ".reg" section.
- Original upage address X is at location core_reg_sect+x+reg_addr.
- */
-
-void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- unsigned reg_addr;
-{
- struct st_entry s;
- unsigned int regno, addr;
-
- for (regno = 0; regno < NUM_REGS; regno++)
- {
- addr = register_addr (regno, (char *) &s.ec - (char *) &s);
- supply_register (regno, core_reg_sect + addr);
- }
-}
--- /dev/null
+/* Native-dependent code for Motorola 680x0 running LynxOS.
+ Copyright 1986, 1987, 1989, 1991, 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "defs.h"
+#include "frame.h"
+#include "inferior.h"
+#include "gdbcore.h"
+#include "target.h"
+
+#include <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <itimer.h>
+#include <mem.h>
+#include <sys/time.h>
+#include <resource.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <sys/ptrace.h>
+#include <kernel.h>
+#include <conf.h>
+#include <proc.h>
+#include <errno.h>
+
+/* Return the address in the core dump or inferior of register REGNO.
+ BLOCKEND is the address of the end of the user structure. */
+
+static unsigned int
+core_register_addr (regno, blockend)
+ unsigned int regno, blockend;
+{
+ struct st_entry s;
+ unsigned int offset;
+
+ if (regno >= 0 && regno <= FP_REGNUM)
+ offset = (char *) &s.ec.regs[regno] - (char *) &s;
+ else if (regno == SP_REGNUM)
+ offset = (char *) &s.stackp - (char *) &s;
+ else if (regno == PS_REGNUM)
+ offset = (char *) &s.ec.status - (char *) &s;
+ else if (regno == PC_REGNUM)
+ offset = (char *) &s.ec.pc - (char *) &s;
+ else if (regno >= FP0_REGNUM && regno <= (FPC_REGNUM - 1))
+ offset = (char *) &s.ec.fregs[(regno - FP0_REGNUM) * 3] - (char *) &s;
+ else if (regno >= FPC_REGNUM && regno <= FPI_REGNUM)
+ offset = (char *) &s.ec.fcregs[regno - FPC_REGNUM] - (char *) &s;
+
+ return blockend + offset;
+}
+
+unsigned int
+register_addr (regno, blockend)
+ int regno, blockend;
+{
+ struct st_entry s;
+ unsigned int offset;
+
+ if (regno >= 0 && regno <= FP_REGNUM)
+ offset = (char *) &s.ec.regs[regno] - (char *) &s.ec;
+ else if (regno == SP_REGNUM)
+ offset = (char *) &s.stackp - (char *) &s;
+ else if (regno == PS_REGNUM)
+ offset = (char *) &s.ec.status - (char *) &s.ec;
+ else if (regno == PC_REGNUM)
+ offset = (char *) &s.ec.pc - (char *) &s.ec;
+ else if (regno >= FP0_REGNUM && regno <= (FPC_REGNUM - 1))
+ offset = (char *) &s.ec.fregs[(regno - FP0_REGNUM) * 3] - (char *) &s.ec;
+ else if (regno >= FPC_REGNUM && regno <= FPI_REGNUM)
+ offset = (char *) &s.ec.fcregs[regno - FPC_REGNUM] - (char *) &s.ec;
+
+ return blockend + offset;
+}
+
+#ifdef FETCH_INFERIOR_REGISTERS
+
+/* Fetch one register. */
+
+static void
+fetch_register (regno, offset, bpid)
+ int regno, bpid;
+ unsigned int offset;
+{
+ char buf[MAX_REGISTER_RAW_SIZE], mess[128];
+ unsigned int regaddr, i, ptrace_request;
+
+ ptrace_request = regno != SP_REGNUM ? PTRACE_PEEKDATA : PTRACE_PEEKUSP;
+ regaddr = register_addr (regno, offset);
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
+ {
+ errno = 0;
+ *(int *) &buf[i] = ptrace (ptrace_request, bpid,
+ (PTRACE_ARG3_TYPE) regaddr, 0);
+ if (errno != 0)
+ {
+ sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
+ perror_with_name (mess);
+ }
+ regaddr += sizeof (int);
+ }
+ supply_register (regno, buf);
+}
+
+static void
+store_register (regno, offset, bpid)
+ int regno, bpid;
+ unsigned int offset;
+{
+ unsigned int i, regaddr, ptrace_request;
+ char mess[128];
+
+ ptrace_request = regno != SP_REGNUM ? PTRACE_POKEUSER : PTRACE_POKEUSP;
+ regaddr = register_addr (regno, offset);
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
+ {
+ errno = 0;
+ ptrace (ptrace_request, bpid, (PTRACE_ARG3_TYPE) regaddr,
+ *(int *) ®isters[REGISTER_BYTE (regno) + i]);
+ if (errno != 0)
+ {
+ sprintf (mess, "writing register %s (#%d)", reg_names[regno], regno);
+ perror_with_name (mess);
+ }
+ regaddr += sizeof (int);
+ }
+}
+
+static unsigned int
+fetch_offset (pid, write)
+ int pid, write;
+{
+ struct st_entry s;
+ unsigned int specpage_off, offset = (char *) &s.ecp - (char *) &s;
+
+ if (write)
+ {
+ errno = 0;
+ specpage_off = ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE) 0, 0);
+ if (errno != 0)
+ perror_with_name ("ptrace");
+ errno = 0;
+ offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0)
+ - specpage_off;
+ if (errno != 0)
+ perror_with_name ("ptrace");
+ }
+ else
+ {
+ errno = 0;
+ offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0);
+ if (errno != 0)
+ perror_with_name ("ptrace");
+ }
+ return offset;
+}
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+ unsigned int offset = fetch_offset (inferior_pid, 0);
+
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ fetch_register (regno, offset, inferior_pid);
+ }
+ else
+ fetch_register (regno, offset, inferior_pid);
+}
+
+void
+store_inferior_registers (regno)
+ int regno;
+{
+ unsigned int offset = fetch_offset (inferior_pid, 1);
+
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ store_register (regno, offset, inferior_pid);
+ }
+ else
+ store_register (regno, offset, inferior_pid);
+}
+
+void
+fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
+ char *core_reg_sect;
+ unsigned core_reg_size;
+ int which;
+ unsigned int reg_addr; /* Unused in this version */
+{
+ unsigned int regno;
+
+ for (regno = 0; regno < NUM_REGS; regno++)
+ {
+ unsigned int addr;
+
+ addr = core_register_addr (regno, (unsigned) 0);
+ supply_register (regno, core_reg_sect + addr);
+ }
+}
+#endif /* FETCH_INFERIOR_REGISTERS */
+
+/* Wait for child to do something. Return pid of child, or -1 in case
+ of error; store status through argument pointer STATUS. */
+
+int
+child_wait (pid, status)
+ int pid;
+ int *status;
+{
+ int save_errno;
+ int thread;
+
+ while (1)
+ {
+ int sig;
+
+ if (attach_flag)
+ set_sigint_trap(); /* Causes SIGINT to be passed on to the
+ attached process. */
+ pid = wait (status);
+ save_errno = errno;
+
+ if (attach_flag)
+ clear_sigint_trap();
+
+ if (pid == -1)
+ {
+ if (save_errno == EINTR)
+ continue;
+ fprintf (stderr, "Child process unexpectedly missing: %s.\n",
+ safe_strerror (save_errno));
+ *status = 42; /* Claim it exited with signal 42 */
+ return -1;
+ }
+
+ if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
+ continue;
+
+/* thread = WIFTID (*status);*/
+ thread = *status >> 16;
+
+ /* Initial thread value can only be acquired via wait, so we have to
+ resort to this hack. */
+
+ if (TIDGET (inferior_pid) == 0)
+ {
+ inferior_pid = BUILDPID (inferior_pid, thread);
+ add_thread (inferior_pid);
+ }
+
+ pid = BUILDPID (pid, thread);
+
+ return pid;
+ }
+}
--- /dev/null
+/* Native-dependent code for Sparc running LynxOS.
+ Copyright (C) 1989, 1992, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "defs.h"
+#include "inferior.h"
+#include "target.h"
+
+#include <signal.h>
+#include <sys/ptrace.h>
+#include <sys/wait.h>
+#if 0
+#include <machine/reg.h>
+#endif
+
+/* We don't store all registers immediately when requested, since they
+ get sent over in large chunks anyway. Instead, we accumulate most
+ of the changes and send them over once. "deferred_stores" keeps
+ track of which sets of registers we have locally-changed copies of,
+ so we only need send the groups that have changed. */
+
+#define INT_REGS 1
+#define STACK_REGS 2
+#define FP_REGS 4
+
+/* Fetch one or more registers from the inferior. REGNO == -1 to get
+ them all. We actually fetch more than requested, when convenient,
+ marking them as valid so we won't fetch them again. */
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+#if 0
+ struct regs inferior_registers;
+ struct fp_status inferior_fp_registers;
+ int i;
+
+ /* We should never be called with deferred stores, because a prerequisite
+ for writing regs is to have fetched them all (PREPARE_TO_STORE), sigh. */
+ if (deferred_stores) abort();
+
+ DO_DEFERRED_STORES;
+
+ /* Global and Out regs are fetched directly, as well as the control
+ registers. If we're getting one of the in or local regs,
+ and the stack pointer has not yet been fetched,
+ we have to do that first, since they're found in memory relative
+ to the stack pointer. */
+ if (regno < O7_REGNUM /* including -1 */
+ || regno >= Y_REGNUM
+ || (!register_valid[SP_REGNUM] && regno < I7_REGNUM))
+ {
+ if (0 != ptrace (PTRACE_GETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_registers, 0))
+ perror("ptrace_getregs");
+
+ registers[REGISTER_BYTE (0)] = 0;
+ memcpy (®isters[REGISTER_BYTE (1)], &inferior_registers.r_g1,
+ 15 * REGISTER_RAW_SIZE (G0_REGNUM));
+ *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
+ *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
+ *(int *)®isters[REGISTER_BYTE (NPC_REGNUM)] = inferior_registers.r_npc;
+ *(int *)®isters[REGISTER_BYTE (Y_REGNUM)] = inferior_registers.r_y;
+
+ for (i = G0_REGNUM; i <= O7_REGNUM; i++)
+ register_valid[i] = 1;
+ register_valid[Y_REGNUM] = 1;
+ register_valid[PS_REGNUM] = 1;
+ register_valid[PC_REGNUM] = 1;
+ register_valid[NPC_REGNUM] = 1;
+ /* If we don't set these valid, read_register_bytes() rereads
+ all the regs every time it is called! FIXME. */
+ register_valid[WIM_REGNUM] = 1; /* Not true yet, FIXME */
+ register_valid[TBR_REGNUM] = 1; /* Not true yet, FIXME */
+ register_valid[FPS_REGNUM] = 1; /* Not true yet, FIXME */
+ register_valid[CPS_REGNUM] = 1; /* Not true yet, FIXME */
+ }
+
+ /* Floating point registers */
+ if (regno == -1 || (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
+ {
+ if (0 != ptrace (PTRACE_GETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_fp_registers,
+ 0))
+ perror("ptrace_getfpregs");
+ memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
+ sizeof inferior_fp_registers.fpu_fr);
+ /* memcpy (®isters[REGISTER_BYTE (FPS_REGNUM)],
+ &inferior_fp_registers.Fpu_fsr,
+ sizeof (FPU_FSR_TYPE)); FIXME??? -- gnu@cyg */
+ for (i = FP0_REGNUM; i <= FP0_REGNUM+31; i++)
+ register_valid[i] = 1;
+ register_valid[FPS_REGNUM] = 1;
+ }
+
+ /* These regs are saved on the stack by the kernel. Only read them
+ all (16 ptrace calls!) if we really need them. */
+ if (regno == -1)
+ {
+ target_xfer_memory (*(CORE_ADDR*)®isters[REGISTER_BYTE (SP_REGNUM)],
+ ®isters[REGISTER_BYTE (L0_REGNUM)],
+ 16*REGISTER_RAW_SIZE (L0_REGNUM), 0);
+ for (i = L0_REGNUM; i <= I7_REGNUM; i++)
+ register_valid[i] = 1;
+ }
+ else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
+ {
+ CORE_ADDR sp = *(CORE_ADDR*)®isters[REGISTER_BYTE (SP_REGNUM)];
+ i = REGISTER_BYTE (regno);
+ if (register_valid[regno])
+ printf("register %d valid and read\n", regno);
+ target_xfer_memory (sp + i - REGISTER_BYTE (L0_REGNUM),
+ ®isters[i], REGISTER_RAW_SIZE (regno), 0);
+ register_valid[regno] = 1;
+ }
+#endif
+}
+
+/* Store our register values back into the inferior.
+ If REGNO is -1, do this for all registers.
+ Otherwise, REGNO specifies which register (so we can save time). */
+
+void
+store_inferior_registers (regno)
+ int regno;
+{
+#if 0
+ struct regs inferior_registers;
+ struct fp_status inferior_fp_registers;
+ int wanna_store = INT_REGS + STACK_REGS + FP_REGS;
+
+ /* First decide which pieces of machine-state we need to modify.
+ Default for regno == -1 case is all pieces. */
+ if (regno >= 0)
+ if (FP0_REGNUM <= regno && regno < FP0_REGNUM + 32)
+ {
+ wanna_store = FP_REGS;
+ }
+ else
+ {
+ if (regno == SP_REGNUM)
+ wanna_store = INT_REGS + STACK_REGS;
+ else if (regno < L0_REGNUM || regno > I7_REGNUM)
+ wanna_store = INT_REGS;
+ else
+ wanna_store = STACK_REGS;
+ }
+
+ /* See if we're forcing the stores to happen now, or deferring. */
+ if (regno == -2)
+ {
+ wanna_store = deferred_stores;
+ deferred_stores = 0;
+ }
+ else
+ {
+ if (wanna_store == STACK_REGS)
+ {
+ /* Fall through and just store one stack reg. If we deferred
+ it, we'd have to store them all, or remember more info. */
+ }
+ else
+ {
+ deferred_stores |= wanna_store;
+ return;
+ }
+ }
+
+ if (wanna_store & STACK_REGS)
+ {
+ CORE_ADDR sp = *(CORE_ADDR *)®isters[REGISTER_BYTE (SP_REGNUM)];
+
+ if (regno < 0 || regno == SP_REGNUM)
+ {
+ if (!register_valid[L0_REGNUM+5]) abort();
+ target_xfer_memory (sp,
+ ®isters[REGISTER_BYTE (L0_REGNUM)],
+ 16*REGISTER_RAW_SIZE (L0_REGNUM), 1);
+ }
+ else
+ {
+ if (!register_valid[regno]) abort();
+ target_xfer_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM),
+ ®isters[REGISTER_BYTE (regno)],
+ REGISTER_RAW_SIZE (regno), 1);
+ }
+
+ }
+
+ if (wanna_store & INT_REGS)
+ {
+ if (!register_valid[G1_REGNUM]) abort();
+
+ memcpy (&inferior_registers.r_g1, ®isters[REGISTER_BYTE (G1_REGNUM)],
+ 15 * REGISTER_RAW_SIZE (G1_REGNUM));
+
+ inferior_registers.r_ps =
+ *(int *)®isters[REGISTER_BYTE (PS_REGNUM)];
+ inferior_registers.r_pc =
+ *(int *)®isters[REGISTER_BYTE (PC_REGNUM)];
+ inferior_registers.r_npc =
+ *(int *)®isters[REGISTER_BYTE (NPC_REGNUM)];
+ inferior_registers.r_y =
+ *(int *)®isters[REGISTER_BYTE (Y_REGNUM)];
+
+ if (0 != ptrace (PTRACE_SETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_registers, 0))
+ perror("ptrace_setregs");
+ }
+
+ if (wanna_store & FP_REGS)
+ {
+ if (!register_valid[FP0_REGNUM+9]) abort();
+ /* Initialize inferior_fp_registers members that gdb doesn't set
+ by reading them from the inferior. */
+ if (0 !=
+ ptrace (PTRACE_GETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
+ perror("ptrace_getfpregs");
+ memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
+ sizeof inferior_fp_registers.fpu_fr);
+
+/* memcpy (&inferior_fp_registers.Fpu_fsr,
+ ®isters[REGISTER_BYTE (FPS_REGNUM)], sizeof (FPU_FSR_TYPE));
+****/
+ if (0 !=
+ ptrace (PTRACE_SETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
+ perror("ptrace_setfpregs");
+ }
+#endif
+}
+
+
+void
+fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
+ char *core_reg_sect;
+ unsigned core_reg_size;
+ int which;
+ unsigned int ignore; /* reg addr, unused in this version */
+{
+#if 0
+ if (which == 0) {
+
+ /* Integer registers */
+
+#define gregs ((struct regs *)core_reg_sect)
+ /* G0 *always* holds 0. */
+ *(int *)®isters[REGISTER_BYTE (0)] = 0;
+
+ /* The globals and output registers. */
+ memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &gregs->r_g1,
+ 15 * REGISTER_RAW_SIZE (G1_REGNUM));
+ *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = gregs->r_ps;
+ *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = gregs->r_pc;
+ *(int *)®isters[REGISTER_BYTE (NPC_REGNUM)] = gregs->r_npc;
+ *(int *)®isters[REGISTER_BYTE (Y_REGNUM)] = gregs->r_y;
+
+ /* My best guess at where to get the locals and input
+ registers is exactly where they usually are, right above
+ the stack pointer. If the core dump was caused by a bus error
+ from blowing away the stack pointer (as is possible) then this
+ won't work, but it's worth the try. */
+ {
+ int sp;
+
+ sp = *(int *)®isters[REGISTER_BYTE (SP_REGNUM)];
+ if (0 != target_read_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)],
+ 16 * REGISTER_RAW_SIZE (L0_REGNUM)))
+ {
+ /* fprintf so user can still use gdb */
+ fprintf (stderr,
+ "Couldn't read input and local registers from core file\n");
+ }
+ }
+ } else if (which == 2) {
+
+ /* Floating point registers */
+
+#define fpuregs ((struct fpu *) core_reg_sect)
+ if (core_reg_size >= sizeof (struct fpu))
+ {
+ memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], fpuregs->fpu_regs,
+ sizeof (fpuregs->fpu_regs));
+ memcpy (®isters[REGISTER_BYTE (FPS_REGNUM)], &fpuregs->fpu_fsr,
+ sizeof (FPU_FSR_TYPE));
+ }
+ else
+ fprintf (stderr, "Couldn't read float regs from core file\n");
+ }
+#endif
+}
+
+/* Wait for child to do something. Return pid of child, or -1 in case
+ of error; store status through argument pointer STATUS. */
+
+int
+child_wait (pid, status)
+ int pid;
+ int *status;
+{
+ int save_errno;
+ int thread;
+
+ while (1)
+ {
+ int sig;
+
+ if (attach_flag)
+ set_sigint_trap(); /* Causes SIGINT to be passed on to the
+ attached process. */
+ pid = wait (status);
+ save_errno = errno;
+
+ if (attach_flag)
+ clear_sigint_trap();
+
+ if (pid == -1)
+ {
+ if (save_errno == EINTR)
+ continue;
+ fprintf (stderr, "Child process unexpectedly missing: %s.\n",
+ safe_strerror (save_errno));
+ *status = 42; /* Claim it exited with signal 42 */
+ return -1;
+ }
+
+ if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
+ continue;
+
+/* thread = WIFTID (*status);*/
+ thread = *status >> 16;
+
+ /* Initial thread value can only be acquired via wait, so we have to
+ resort to this hack. */
+
+ if (TIDGET (inferior_pid) == 0)
+ {
+ inferior_pid = BUILDPID (inferior_pid, thread);
+ add_thread (inferior_pid);
+ }
+
+ pid = BUILDPID (pid, thread);
+
+ return pid;
+ }
+}
projects / binutils-gdb.git / commitdiff