/* General utility routines for GDB, the GNU debugger.
- Copyright 1986, 89, 90, 91, 92, 95, 96, 1998 Free Software Foundation, Inc.
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
This file is part of GDB.
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include "defs.h"
-#include <ctype.h>
-#include "gdb_string.h"
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+/* FIXME: cagney/2002-02-28: The GDB coding standard indicates that
+ "defs.h" should be included first. Unfortunatly some systems
+ (currently Debian GNU/Linux) include the <stdbool.h> via <curses.h>
+ and they clash with "bfd.h"'s definiton of true/false. The correct
+ fix is to remove true/false from "bfd.h", however, until that
+ happens, hack around it by including "config.h" and <curses.h>
+ first. */
+
+#include "config.h"
#ifdef HAVE_CURSES_H
#include <curses.h>
#include <term.h>
#endif
+#include "defs.h"
+#include "gdb_assert.h"
+#include <ctype.h>
+#include "gdb_string.h"
+#include "event-top.h"
+
+#ifdef __GO32__
+#include <pc.h>
+#endif
+
/* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */
#ifdef reg
#undef reg
#endif
-#include "signals.h"
+#include <signal.h>
#include "gdbcmd.h"
#include "serial.h"
#include "bfd.h"
#include "expression.h"
#include "language.h"
#include "annotate.h"
+#include "filenames.h"
+
+#include "inferior.h" /* for signed_pointer_to_address */
+
+#include <sys/param.h> /* For MAXPATHLEN */
#include <readline/readline.h>
+#ifdef USE_MMALLOC
+#include "mmalloc.h"
+#endif
+
+#ifdef NEED_DECLARATION_MALLOC
+extern PTR malloc ();
+#endif
+#ifdef NEED_DECLARATION_REALLOC
+extern PTR realloc ();
+#endif
+#ifdef NEED_DECLARATION_FREE
+extern void free ();
+#endif
+/* Actually, we'll never have the decl, since we don't define _GNU_SOURCE. */
+#if defined(HAVE_CANONICALIZE_FILE_NAME) \
+ && defined(NEED_DECLARATION_CANONICALIZE_FILE_NAME)
+extern char *canonicalize_file_name (const char *);
+#endif
+
/* readline defines this. */
#undef savestring
-void (*error_begin_hook) PARAMS ((void));
+void (*error_begin_hook) (void);
+
+/* Holds the last error message issued by gdb */
+
+static struct ui_file *gdb_lasterr;
/* Prototypes for local functions */
-static void vfprintf_maybe_filtered PARAMS ((GDB_FILE *, const char *,
- va_list, int));
+static void vfprintf_maybe_filtered (struct ui_file *, const char *,
+ va_list, int);
-static void fputs_maybe_filtered PARAMS ((const char *, GDB_FILE *, int));
+static void fputs_maybe_filtered (const char *, struct ui_file *, int);
#if defined (USE_MMALLOC) && !defined (NO_MMCHECK)
-static void malloc_botch PARAMS ((void));
+static void malloc_botch (void);
#endif
-static void
-fatal_dump_core PARAMS ((char *,...));
-
-static void
-prompt_for_continue PARAMS ((void));
-
-static void
-set_width_command PARAMS ((char *, int, struct cmd_list_element *));
+static void prompt_for_continue (void);
-static void
-set_width PARAMS ((void));
+static void set_width_command (char *, int, struct cmd_list_element *);
-/* If this definition isn't overridden by the header files, assume
- that isatty and fileno exist on this system. */
-#ifndef ISATTY
-#define ISATTY(FP) (isatty (fileno (FP)))
-#endif
-
-#ifndef GDB_FILE_ISATTY
-#define GDB_FILE_ISATTY(GDB_FILE_PTR) (gdb_file_isatty(GDB_FILE_PTR))
-#endif
+static void set_width (void);
/* Chain of cleanup actions established with make_cleanup,
to be executed if an error happens. */
static struct cleanup *final_cleanup_chain; /* cleaned up when gdb exits */
static struct cleanup *run_cleanup_chain; /* cleaned up on each 'run' */
static struct cleanup *exec_cleanup_chain; /* cleaned up on each execution command */
+/* cleaned up on each error from within an execution command */
+static struct cleanup *exec_error_cleanup_chain;
/* Pointer to what is left to do for an execution command after the
target stops. Used only in asynchronous mode, by targets that
support async execution. The finish and until commands use it. So
does the target extended-remote command. */
struct continuation *cmd_continuation;
+struct continuation *intermediate_continuation;
/* Nonzero if we have job control. */
Args are FUNCTION to clean up with, and ARG to pass to it. */
struct cleanup *
-make_cleanup (function, arg)
- void (*function) PARAMS ((PTR));
- PTR arg;
+make_cleanup (make_cleanup_ftype *function, void *arg)
{
return make_my_cleanup (&cleanup_chain, function, arg);
}
struct cleanup *
-make_final_cleanup (function, arg)
- void (*function) PARAMS ((PTR));
- PTR arg;
+make_final_cleanup (make_cleanup_ftype *function, void *arg)
{
return make_my_cleanup (&final_cleanup_chain, function, arg);
}
struct cleanup *
-make_run_cleanup (function, arg)
- void (*function) PARAMS ((PTR));
- PTR arg;
+make_run_cleanup (make_cleanup_ftype *function, void *arg)
{
return make_my_cleanup (&run_cleanup_chain, function, arg);
}
struct cleanup *
-make_exec_cleanup (function, arg)
- void (*function) PARAMS ((PTR));
- PTR arg;
+make_exec_cleanup (make_cleanup_ftype *function, void *arg)
{
return make_my_cleanup (&exec_cleanup_chain, function, arg);
}
+struct cleanup *
+make_exec_error_cleanup (make_cleanup_ftype *function, void *arg)
+{
+ return make_my_cleanup (&exec_error_cleanup_chain, function, arg);
+}
+
static void
-do_freeargv (arg)
- void *arg;
+do_freeargv (void *arg)
{
freeargv ((char **) arg);
}
struct cleanup *
-make_cleanup_freeargv (arg)
- char **arg;
+make_cleanup_freeargv (char **arg)
{
return make_my_cleanup (&cleanup_chain, do_freeargv, arg);
}
+static void
+do_bfd_close_cleanup (void *arg)
+{
+ bfd_close (arg);
+}
+
struct cleanup *
-make_my_cleanup (pmy_chain, function, arg)
- struct cleanup **pmy_chain;
- void (*function) PARAMS ((PTR));
- PTR arg;
+make_cleanup_bfd_close (bfd *abfd)
+{
+ return make_cleanup (do_bfd_close_cleanup, abfd);
+}
+
+static void
+do_close_cleanup (void *arg)
+{
+ int *fd = arg;
+ close (*fd);
+ xfree (fd);
+}
+
+struct cleanup *
+make_cleanup_close (int fd)
+{
+ int *saved_fd = xmalloc (sizeof (fd));
+ *saved_fd = fd;
+ return make_cleanup (do_close_cleanup, saved_fd);
+}
+
+static void
+do_ui_file_delete (void *arg)
+{
+ ui_file_delete (arg);
+}
+
+struct cleanup *
+make_cleanup_ui_file_delete (struct ui_file *arg)
+{
+ return make_my_cleanup (&cleanup_chain, do_ui_file_delete, arg);
+}
+
+struct cleanup *
+make_my_cleanup (struct cleanup **pmy_chain, make_cleanup_ftype *function,
+ void *arg)
{
register struct cleanup *new
= (struct cleanup *) xmalloc (sizeof (struct cleanup));
until we get back to the point OLD_CHAIN in the cleanup_chain. */
void
-do_cleanups (old_chain)
- register struct cleanup *old_chain;
+do_cleanups (register struct cleanup *old_chain)
{
do_my_cleanups (&cleanup_chain, old_chain);
}
void
-do_final_cleanups (old_chain)
- register struct cleanup *old_chain;
+do_final_cleanups (register struct cleanup *old_chain)
{
do_my_cleanups (&final_cleanup_chain, old_chain);
}
void
-do_run_cleanups (old_chain)
- register struct cleanup *old_chain;
+do_run_cleanups (register struct cleanup *old_chain)
{
do_my_cleanups (&run_cleanup_chain, old_chain);
}
void
-do_exec_cleanups (old_chain)
- register struct cleanup *old_chain;
+do_exec_cleanups (register struct cleanup *old_chain)
{
do_my_cleanups (&exec_cleanup_chain, old_chain);
}
void
-do_my_cleanups (pmy_chain, old_chain)
- register struct cleanup **pmy_chain;
- register struct cleanup *old_chain;
+do_exec_error_cleanups (register struct cleanup *old_chain)
+{
+ do_my_cleanups (&exec_error_cleanup_chain, old_chain);
+}
+
+void
+do_my_cleanups (register struct cleanup **pmy_chain,
+ register struct cleanup *old_chain)
{
register struct cleanup *ptr;
while ((ptr = *pmy_chain) != old_chain)
{
*pmy_chain = ptr->next; /* Do this first incase recursion */
(*ptr->function) (ptr->arg);
- free (ptr);
+ xfree (ptr);
}
}
until we get back to the point OLD_CHAIN in the cleanup_chain. */
void
-discard_cleanups (old_chain)
- register struct cleanup *old_chain;
+discard_cleanups (register struct cleanup *old_chain)
{
discard_my_cleanups (&cleanup_chain, old_chain);
}
void
-discard_final_cleanups (old_chain)
- register struct cleanup *old_chain;
+discard_final_cleanups (register struct cleanup *old_chain)
{
discard_my_cleanups (&final_cleanup_chain, old_chain);
}
void
-discard_my_cleanups (pmy_chain, old_chain)
- register struct cleanup **pmy_chain;
- register struct cleanup *old_chain;
+discard_exec_error_cleanups (register struct cleanup *old_chain)
+{
+ discard_my_cleanups (&exec_error_cleanup_chain, old_chain);
+}
+
+void
+discard_my_cleanups (register struct cleanup **pmy_chain,
+ register struct cleanup *old_chain)
{
register struct cleanup *ptr;
while ((ptr = *pmy_chain) != old_chain)
{
*pmy_chain = ptr->next;
- free ((PTR) ptr);
+ xfree (ptr);
}
}
/* Set the cleanup_chain to 0, and return the old cleanup chain. */
struct cleanup *
-save_cleanups ()
+save_cleanups (void)
{
return save_my_cleanups (&cleanup_chain);
}
struct cleanup *
-save_final_cleanups ()
+save_final_cleanups (void)
{
return save_my_cleanups (&final_cleanup_chain);
}
struct cleanup *
-save_my_cleanups (pmy_chain)
- struct cleanup **pmy_chain;
+save_my_cleanups (struct cleanup **pmy_chain)
{
struct cleanup *old_chain = *pmy_chain;
/* Restore the cleanup chain from a previously saved chain. */
void
-restore_cleanups (chain)
- struct cleanup *chain;
+restore_cleanups (struct cleanup *chain)
{
restore_my_cleanups (&cleanup_chain, chain);
}
void
-restore_final_cleanups (chain)
- struct cleanup *chain;
+restore_final_cleanups (struct cleanup *chain)
{
restore_my_cleanups (&final_cleanup_chain, chain);
}
void
-restore_my_cleanups (pmy_chain, chain)
- struct cleanup **pmy_chain;
- struct cleanup *chain;
+restore_my_cleanups (struct cleanup **pmy_chain, struct cleanup *chain)
{
*pmy_chain = chain;
}
to arrange to free the object thus allocated. */
void
-free_current_contents (location)
- char **location;
+free_current_contents (void *ptr)
{
- free (*location);
+ void **location = ptr;
+ if (location == NULL)
+ internal_error (__FILE__, __LINE__,
+ "free_current_contents: NULL pointer");
+ if (*location != NULL)
+ {
+ xfree (*location);
+ *location = NULL;
+ }
}
/* Provide a known function that does nothing, to use as a base for
/* ARGSUSED */
void
-null_cleanup (arg)
- PTR arg;
+null_cleanup (void *arg)
{
}
-/* Add a continuation to the continuation list, the gloabl list
- cmd_continuation. */
+/* Add a continuation to the continuation list, the global list
+ cmd_continuation. The new continuation will be added at the front.*/
void
-add_continuation (continuation_hook, arg_list)
- void (*continuation_hook) PARAMS ((struct continuation_arg *));
- struct continuation_arg *arg_list;
+add_continuation (void (*continuation_hook) (struct continuation_arg *),
+ struct continuation_arg *arg_list)
{
struct continuation *continuation_ptr;
}
/* Walk down the cmd_continuation list, and execute all the
+ continuations. There is a problem though. In some cases new
+ continuations may be added while we are in the middle of this
+ loop. If this happens they will be added in the front, and done
+ before we have a chance of exhausting those that were already
+ there. We need to then save the beginning of the list in a pointer
+ and do the continuations from there on, instead of using the
+ global beginning of list as our iteration pointer.*/
+void
+do_all_continuations (void)
+{
+ struct continuation *continuation_ptr;
+ struct continuation *saved_continuation;
+
+ /* Copy the list header into another pointer, and set the global
+ list header to null, so that the global list can change as a side
+ effect of invoking the continuations and the processing of
+ the preexisting continuations will not be affected. */
+ continuation_ptr = cmd_continuation;
+ cmd_continuation = NULL;
+
+ /* Work now on the list we have set aside. */
+ while (continuation_ptr)
+ {
+ (continuation_ptr->continuation_hook) (continuation_ptr->arg_list);
+ saved_continuation = continuation_ptr;
+ continuation_ptr = continuation_ptr->next;
+ xfree (saved_continuation);
+ }
+}
+
+/* Walk down the cmd_continuation list, and get rid of all the
continuations. */
void
-do_all_continuations ()
+discard_all_continuations (void)
{
struct continuation *continuation_ptr;
while (cmd_continuation)
{
- (cmd_continuation->continuation_hook) (cmd_continuation->arg_list);
continuation_ptr = cmd_continuation;
cmd_continuation = continuation_ptr->next;
- free (continuation_ptr);
+ xfree (continuation_ptr);
}
}
-\f
-/* Print a warning message. Way to use this is to call warning_begin,
- output the warning message (use unfiltered output to gdb_stderr),
- ending in a newline. There is not currently a warning_end that you
- call afterwards, but such a thing might be added if it is useful
- for a GUI to separate warning messages from other output.
+/* Add a continuation to the continuation list, the global list
+ intermediate_continuation. The new continuation will be added at the front.*/
+void
+add_intermediate_continuation (void (*continuation_hook)
+ (struct continuation_arg *),
+ struct continuation_arg *arg_list)
+{
+ struct continuation *continuation_ptr;
- FIXME: Why do warnings use unfiltered output and errors filtered?
- Is this anything other than a historical accident? */
+ continuation_ptr = (struct continuation *) xmalloc (sizeof (struct continuation));
+ continuation_ptr->continuation_hook = continuation_hook;
+ continuation_ptr->arg_list = arg_list;
+ continuation_ptr->next = intermediate_continuation;
+ intermediate_continuation = continuation_ptr;
+}
+/* Walk down the cmd_continuation list, and execute all the
+ continuations. There is a problem though. In some cases new
+ continuations may be added while we are in the middle of this
+ loop. If this happens they will be added in the front, and done
+ before we have a chance of exhausting those that were already
+ there. We need to then save the beginning of the list in a pointer
+ and do the continuations from there on, instead of using the
+ global beginning of list as our iteration pointer.*/
void
-warning_begin ()
+do_all_intermediate_continuations (void)
{
- target_terminal_ours ();
- wrap_here (""); /* Force out any buffered output */
- gdb_flush (gdb_stdout);
- if (warning_pre_print)
- fprintf_unfiltered (gdb_stderr, warning_pre_print);
+ struct continuation *continuation_ptr;
+ struct continuation *saved_continuation;
+
+ /* Copy the list header into another pointer, and set the global
+ list header to null, so that the global list can change as a side
+ effect of invoking the continuations and the processing of
+ the preexisting continuations will not be affected. */
+ continuation_ptr = intermediate_continuation;
+ intermediate_continuation = NULL;
+
+ /* Work now on the list we have set aside. */
+ while (continuation_ptr)
+ {
+ (continuation_ptr->continuation_hook) (continuation_ptr->arg_list);
+ saved_continuation = continuation_ptr;
+ continuation_ptr = continuation_ptr->next;
+ xfree (saved_continuation);
+ }
+}
+
+/* Walk down the cmd_continuation list, and get rid of all the
+ continuations. */
+void
+discard_all_intermediate_continuations (void)
+{
+ struct continuation *continuation_ptr;
+
+ while (intermediate_continuation)
+ {
+ continuation_ptr = intermediate_continuation;
+ intermediate_continuation = continuation_ptr->next;
+ xfree (continuation_ptr);
+ }
}
-/* Print a warning message.
- The first argument STRING is the warning message, used as a fprintf string,
- and the remaining args are passed as arguments to it.
- The primary difference between warnings and errors is that a warning
- does not force the return to command level. */
+\f
+
+/* Print a warning message. The first argument STRING is the warning
+ message, used as an fprintf format string, the second is the
+ va_list of arguments for that string. A warning is unfiltered (not
+ paginated) so that the user does not need to page through each
+ screen full of warnings when there are lots of them. */
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
-warning (const char *string,...)
-#else
-warning (va_alist)
- va_dcl
-#endif
+vwarning (const char *string, va_list args)
{
- va_list args;
-#ifdef ANSI_PROTOTYPES
- va_start (args, string);
-#else
- char *string;
-
- va_start (args);
- string = va_arg (args, char *);
-#endif
if (warning_hook)
(*warning_hook) (string, args);
else
{
- warning_begin ();
+ target_terminal_ours ();
+ wrap_here (""); /* Force out any buffered output */
+ gdb_flush (gdb_stdout);
+ if (warning_pre_print)
+ fprintf_unfiltered (gdb_stderr, warning_pre_print);
vfprintf_unfiltered (gdb_stderr, string, args);
fprintf_unfiltered (gdb_stderr, "\n");
va_end (args);
}
}
-/* Start the printing of an error message. Way to use this is to call
- this, output the error message (use filtered output to gdb_stderr
- (FIXME: Some callers, like memory_error, use gdb_stdout)), ending
- in a newline, and then call return_to_top_level (RETURN_ERROR).
- error() provides a convenient way to do this for the special case
- that the error message can be formatted with a single printf call,
- but this is more general. */
+/* Print a warning message.
+ The first argument STRING is the warning message, used as a fprintf string,
+ and the remaining args are passed as arguments to it.
+ The primary difference between warnings and errors is that a warning
+ does not force the return to command level. */
+
void
-error_begin ()
+warning (const char *string,...)
{
- if (error_begin_hook)
- error_begin_hook ();
-
- target_terminal_ours ();
- wrap_here (""); /* Force out any buffered output */
- gdb_flush (gdb_stdout);
-
- annotate_error_begin ();
-
- if (error_pre_print)
- fprintf_filtered (gdb_stderr, error_pre_print);
+ va_list args;
+ va_start (args, string);
+ vwarning (string, args);
+ va_end (args);
}
/* Print an error message and return to command level.
The first argument STRING is the error message, used as a fprintf string,
and the remaining args are passed as arguments to it. */
-/* VARARGS */
NORETURN void
-#ifdef ANSI_PROTOTYPES
-error (const char *string,...)
-#else
-error (va_alist)
- va_dcl
-#endif
+verror (const char *string, va_list args)
{
- va_list args;
-#ifdef ANSI_PROTOTYPES
- va_start (args, string);
-#else
- va_start (args);
-#endif
- if (error_hook)
- (*error_hook) ();
- else
- {
- error_begin ();
-#ifdef ANSI_PROTOTYPES
- vfprintf_filtered (gdb_stderr, string, args);
-#else
- {
- char *string1;
-
- string1 = va_arg (args, char *);
- vfprintf_filtered (gdb_stderr, string1, args);
- }
-#endif
- fprintf_filtered (gdb_stderr, "\n");
- va_end (args);
- return_to_top_level (RETURN_ERROR);
- }
+ struct ui_file *tmp_stream = mem_fileopen ();
+ make_cleanup_ui_file_delete (tmp_stream);
+ vfprintf_unfiltered (tmp_stream, string, args);
+ error_stream (tmp_stream);
}
-
-/* Print an error message and exit reporting failure.
- This is for a error that we cannot continue from.
- The arguments are printed a la printf.
-
- This function cannot be declared volatile (NORETURN) in an
- ANSI environment because exit() is not declared volatile. */
-
-/* VARARGS */
NORETURN void
-#ifdef ANSI_PROTOTYPES
-fatal (char *string,...)
-#else
-fatal (va_alist)
- va_dcl
-#endif
+error (const char *string,...)
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, string);
-#else
- char *string;
- va_start (args);
- string = va_arg (args, char *);
-#endif
- fprintf_unfiltered (gdb_stderr, "\ngdb: ");
- vfprintf_unfiltered (gdb_stderr, string, args);
- fprintf_unfiltered (gdb_stderr, "\n");
+ verror (string, args);
va_end (args);
- exit (1);
}
-/* Print an error message and exit, dumping core.
- The arguments are printed a la printf (). */
-
-/* VARARGS */
static void
-#ifdef ANSI_PROTOTYPES
-fatal_dump_core (char *string,...)
-#else
-fatal_dump_core (va_alist)
- va_dcl
-#endif
+do_write (void *data, const char *buffer, long length_buffer)
{
- va_list args;
-#ifdef ANSI_PROTOTYPES
- va_start (args, string);
-#else
- char *string;
+ ui_file_write (data, buffer, length_buffer);
+}
- va_start (args);
- string = va_arg (args, char *);
-#endif
- /* "internal error" is always correct, since GDB should never dump
- core, no matter what the input. */
- fprintf_unfiltered (gdb_stderr, "\ngdb internal error: ");
- vfprintf_unfiltered (gdb_stderr, string, args);
- fprintf_unfiltered (gdb_stderr, "\n");
- va_end (args);
+NORETURN void
+error_stream (struct ui_file *stream)
+{
+ if (error_begin_hook)
+ error_begin_hook ();
+
+ /* Copy the stream into the GDB_LASTERR buffer. */
+ ui_file_rewind (gdb_lasterr);
+ ui_file_put (stream, do_write, gdb_lasterr);
+
+ /* Write the message plus any error_pre_print to gdb_stderr. */
+ target_terminal_ours ();
+ wrap_here (""); /* Force out any buffered output */
+ gdb_flush (gdb_stdout);
+ annotate_error_begin ();
+ if (error_pre_print)
+ fprintf_filtered (gdb_stderr, error_pre_print);
+ ui_file_put (stream, do_write, gdb_stderr);
+ fprintf_filtered (gdb_stderr, "\n");
- signal (SIGQUIT, SIG_DFL);
- kill (getpid (), SIGQUIT);
- /* We should never get here, but just in case... */
- exit (1);
+ throw_exception (RETURN_ERROR);
}
-/* The strerror() function can return NULL for errno values that are
- out of range. Provide a "safe" version that always returns a
- printable string. */
+/* Get the last error message issued by gdb */
char *
-safe_strerror (errnum)
- int errnum;
+error_last_message (void)
{
- char *msg;
- static char buf[32];
+ long len;
+ return ui_file_xstrdup (gdb_lasterr, &len);
+}
+
+/* This is to be called by main() at the very beginning */
- if ((msg = strerror (errnum)) == NULL)
+void
+error_init (void)
+{
+ gdb_lasterr = mem_fileopen ();
+}
+
+/* Print a message reporting an internal error. Ask the user if they
+ want to continue, dump core, or just exit. */
+
+NORETURN void
+internal_verror (const char *file, int line,
+ const char *fmt, va_list ap)
+{
+ static char msg[] = "Internal GDB error: recursive internal error.\n";
+ static int dejavu = 0;
+ int quit_p;
+ int dump_core_p;
+
+ /* don't allow infinite error recursion. */
+ switch (dejavu)
{
- sprintf (buf, "(undocumented errno %d)", errnum);
- msg = buf;
+ case 0:
+ dejavu = 1;
+ break;
+ case 1:
+ dejavu = 2;
+ fputs_unfiltered (msg, gdb_stderr);
+ abort (); /* NOTE: GDB has only three calls to abort(). */
+ default:
+ dejavu = 3;
+ write (STDERR_FILENO, msg, sizeof (msg));
+ exit (1);
}
- return (msg);
+
+ /* Try to get the message out */
+ target_terminal_ours ();
+ fprintf_unfiltered (gdb_stderr, "%s:%d: gdb-internal-error: ", file, line);
+ vfprintf_unfiltered (gdb_stderr, fmt, ap);
+ fputs_unfiltered ("\n", gdb_stderr);
+
+ /* Default (yes/batch case) is to quit GDB. When in batch mode this
+ lessens the likelhood of GDB going into an infinate loop. */
+ quit_p = query ("\
+An internal GDB error was detected. This may make further\n\
+debugging unreliable. Quit this debugging session? ");
+
+ /* Default (yes/batch case) is to dump core. This leaves a GDB
+ dropping so that it is easier to see that something went wrong to
+ GDB. */
+ dump_core_p = query ("\
+Create a core file containing the current state of GDB? ");
+
+ if (quit_p)
+ {
+ if (dump_core_p)
+ abort (); /* NOTE: GDB has only three calls to abort(). */
+ else
+ exit (1);
+ }
+ else
+ {
+ if (dump_core_p)
+ {
+ if (fork () == 0)
+ abort (); /* NOTE: GDB has only three calls to abort(). */
+ }
+ }
+
+ dejavu = 0;
+ throw_exception (RETURN_ERROR);
+}
+
+NORETURN void
+internal_error (const char *file, int line, const char *string, ...)
+{
+ va_list ap;
+ va_start (ap, string);
+
+ internal_verror (file, line, string, ap);
+ va_end (ap);
}
-/* The strsignal() function can return NULL for signal values that are
+/* The strerror() function can return NULL for errno values that are
out of range. Provide a "safe" version that always returns a
printable string. */
char *
-safe_strsignal (signo)
- int signo;
+safe_strerror (int errnum)
{
char *msg;
static char buf[32];
- if ((msg = strsignal (signo)) == NULL)
+ if ((msg = strerror (errnum)) == NULL)
{
- sprintf (buf, "(undocumented signal %d)", signo);
+ sprintf (buf, "(undocumented errno %d)", errnum);
msg = buf;
}
return (msg);
}
-
/* Print the system error message for errno, and also mention STRING
as the file name for which the error was encountered.
Then return to command level. */
NORETURN void
-perror_with_name (string)
- char *string;
+perror_with_name (const char *string)
{
char *err;
char *combined;
as the file name for which the error was encountered. */
void
-print_sys_errmsg (string, errcode)
- char *string;
- int errcode;
+print_sys_errmsg (const char *string, int errcode)
{
char *err;
char *combined;
/* Control C eventually causes this to be called, at a convenient time. */
void
-quit ()
+quit (void)
{
- serial_t gdb_stdout_serial = serial_fdopen (1);
+ struct serial *gdb_stdout_serial = serial_fdopen (1);
target_terminal_ours ();
gdb_flush (gdb_stderr);
/* 3. The system-level buffer. */
- SERIAL_DRAIN_OUTPUT (gdb_stdout_serial);
- SERIAL_UN_FDOPEN (gdb_stdout_serial);
+ serial_drain_output (gdb_stdout_serial);
+ serial_un_fdopen (gdb_stdout_serial);
annotate_error_begin ();
if (quit_pre_print)
fprintf_unfiltered (gdb_stderr, quit_pre_print);
+#ifdef __MSDOS__
+ /* No steenking SIGINT will ever be coming our way when the
+ program is resumed. Don't lie. */
+ fprintf_unfiltered (gdb_stderr, "Quit\n");
+#else
if (job_control
/* If there is no terminal switching for this target, then we can't
possibly get screwed by the lack of job control. */
else
fprintf_unfiltered (gdb_stderr,
"Quit (expect signal SIGINT when the program is resumed)\n");
- return_to_top_level (RETURN_QUIT);
-}
-
-
-#if defined(__GO32__)
-
-/* In the absence of signals, poll keyboard for a quit.
- Called from #define QUIT pollquit() in xm-go32.h. */
-
-void
-notice_quit ()
-{
- if (kbhit ())
- switch (getkey ())
- {
- case 1:
- quit_flag = 1;
- break;
- case 2:
- immediate_quit = 2;
- break;
- default:
- /* We just ignore it */
- /* FIXME!! Don't think this actually works! */
- fprintf_unfiltered (gdb_stderr, "CTRL-A to quit, CTRL-B to quit harder\n");
- break;
- }
-}
-
-#elif defined(_MSC_VER) /* should test for wingdb instead? */
-
-/*
- * Windows translates all keyboard and mouse events
- * into a message which is appended to the message
- * queue for the process.
- */
-
-void
-notice_quit ()
-{
- int k = win32pollquit ();
- if (k == 1)
- quit_flag = 1;
- else if (k == 2)
- immediate_quit = 1;
-}
-
-#else /* !defined(__GO32__) && !defined(_MSC_VER) */
-
-void
-notice_quit ()
-{
- /* Done by signals */
+#endif
+ throw_exception (RETURN_QUIT);
}
-#endif /* !defined(__GO32__) && !defined(_MSC_VER) */
-
/* Control C comes here */
void
-request_quit (signo)
- int signo;
+request_quit (int signo)
{
quit_flag = 1;
/* Restore the signal handler. Harmless with BSD-style signals, needed
\f
/* Memory management stuff (malloc friends). */
-/* Make a substitute size_t for non-ANSI compilers. */
-
-#ifndef HAVE_STDDEF_H
-#ifndef size_t
-#define size_t unsigned int
-#endif
-#endif
-
#if !defined (USE_MMALLOC)
-PTR
-mmalloc (md, size)
- PTR md;
- size_t size;
+/* NOTE: These must use PTR so that their definition matches the
+ declaration found in "mmalloc.h". */
+
+static void *
+mmalloc (void *md, size_t size)
{
- return malloc (size);
+ return malloc (size); /* NOTE: GDB's only call to malloc() */
}
-PTR
-mrealloc (md, ptr, size)
- PTR md;
- PTR ptr;
- size_t size;
+static void *
+mrealloc (void *md, void *ptr, size_t size)
{
if (ptr == 0) /* Guard against old realloc's */
- return malloc (size);
+ return mmalloc (md, size);
else
- return realloc (ptr, size);
+ return realloc (ptr, size); /* NOTE: GDB's only call to ralloc() */
}
-void
-mfree (md, ptr)
- PTR md;
- PTR ptr;
+static void *
+mcalloc (void *md, size_t number, size_t size)
{
- free (ptr);
+ return calloc (number, size); /* NOTE: GDB's only call to calloc() */
+}
+
+static void
+mfree (void *md, void *ptr)
+{
+ free (ptr); /* NOTE: GDB's only call to free() */
}
#endif /* USE_MMALLOC */
#if !defined (USE_MMALLOC) || defined (NO_MMCHECK)
void
-init_malloc (md)
- PTR md;
+init_malloc (void *md)
{
}
#else /* Have mmalloc and want corruption checking */
static void
-malloc_botch ()
+malloc_botch (void)
{
- fatal_dump_core ("Memory corruption");
+ fprintf_unfiltered (gdb_stderr, "Memory corruption\n");
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
/* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified
#endif
void
-init_malloc (md)
- PTR md;
+init_malloc (void *md)
{
if (!mmcheckf (md, malloc_botch, MMCHECK_FORCE))
{
memory requested in SIZE. */
NORETURN void
-nomem (size)
- long size;
+nomem (long size)
{
if (size > 0)
{
- fatal ("virtual memory exhausted: can't allocate %ld bytes.", size);
+ internal_error (__FILE__, __LINE__,
+ "virtual memory exhausted: can't allocate %ld bytes.", size);
+ }
+ else
+ {
+ internal_error (__FILE__, __LINE__,
+ "virtual memory exhausted.");
+ }
+}
+
+/* The xmmalloc() family of memory management routines.
+
+ These are are like the mmalloc() family except that they implement
+ consistent semantics and guard against typical memory management
+ problems: if a malloc fails, an internal error is thrown; if
+ free(NULL) is called, it is ignored; if *alloc(0) is called, NULL
+ is returned.
+
+ All these routines are implemented using the mmalloc() family. */
+
+void *
+xmmalloc (void *md, size_t size)
+{
+ void *val;
+
+ if (size == 0)
+ {
+ val = NULL;
+ }
+ else
+ {
+ val = mmalloc (md, size);
+ if (val == NULL)
+ nomem (size);
+ }
+ return (val);
+}
+
+void *
+xmrealloc (void *md, void *ptr, size_t size)
+{
+ void *val;
+
+ if (size == 0)
+ {
+ if (ptr != NULL)
+ mfree (md, ptr);
+ val = NULL;
}
else
{
- fatal ("virtual memory exhausted.");
+ if (ptr != NULL)
+ {
+ val = mrealloc (md, ptr, size);
+ }
+ else
+ {
+ val = mmalloc (md, size);
+ }
+ if (val == NULL)
+ {
+ nomem (size);
+ }
+ }
+ return (val);
+}
+
+void *
+xmcalloc (void *md, size_t number, size_t size)
+{
+ void *mem;
+ if (number == 0 || size == 0)
+ mem = NULL;
+ else
+ {
+ mem = mcalloc (md, number, size);
+ if (mem == NULL)
+ nomem (number * size);
}
+ return mem;
}
-/* Like mmalloc but get error if no storage available, and protect against
- the caller wanting to allocate zero bytes. Whether to return NULL for
- a zero byte request, or translate the request into a request for one
- byte of zero'd storage, is a religious issue. */
+void
+xmfree (void *md, void *ptr)
+{
+ if (ptr != NULL)
+ mfree (md, ptr);
+}
+
+/* The xmalloc() (libiberty.h) family of memory management routines.
+
+ These are like the ISO-C malloc() family except that they implement
+ consistent semantics and guard against typical memory management
+ problems. See xmmalloc() above for further information.
+
+ All these routines are wrappers to the xmmalloc() family. */
+
+/* NOTE: These are declared using PTR to ensure consistency with
+ "libiberty.h". xfree() is GDB local. */
PTR
-xmmalloc (md, size)
- PTR md;
- long size;
+xmalloc (size_t size)
{
- register PTR val;
-
- if (size == 0)
- {
- val = NULL;
- }
- else if ((val = mmalloc (md, size)) == NULL)
- {
- nomem (size);
- }
- return (val);
+ return xmmalloc (NULL, size);
}
-/* Like mrealloc but get error if no storage available. */
+PTR
+xrealloc (PTR ptr, size_t size)
+{
+ return xmrealloc (NULL, ptr, size);
+}
PTR
-xmrealloc (md, ptr, size)
- PTR md;
- PTR ptr;
- long size;
+xcalloc (size_t number, size_t size)
{
- register PTR val;
+ return xmcalloc (NULL, number, size);
+}
- if (ptr != NULL)
- {
- val = mrealloc (md, ptr, size);
- }
- else
- {
- val = mmalloc (md, size);
- }
- if (val == NULL)
- {
- nomem (size);
- }
- return (val);
+void
+xfree (void *ptr)
+{
+ xmfree (NULL, ptr);
}
+\f
-/* Like malloc but get error if no storage available, and protect against
- the caller wanting to allocate zero bytes. */
+/* Like asprintf/vasprintf but get an internal_error if the call
+ fails. */
-PTR
-xmalloc (size)
- size_t size;
+void
+xasprintf (char **ret, const char *format, ...)
{
- return (xmmalloc ((PTR) NULL, size));
+ va_list args;
+ va_start (args, format);
+ xvasprintf (ret, format, args);
+ va_end (args);
}
-/* Like mrealloc but get error if no storage available. */
-
-PTR
-xrealloc (ptr, size)
- PTR ptr;
- size_t size;
+void
+xvasprintf (char **ret, const char *format, va_list ap)
{
- return (xmrealloc ((PTR) NULL, ptr, size));
+ int status = vasprintf (ret, format, ap);
+ /* NULL could be returned due to a memory allocation problem; a
+ badly format string; or something else. */
+ if ((*ret) == NULL)
+ internal_error (__FILE__, __LINE__,
+ "vasprintf returned NULL buffer (errno %d)",
+ errno);
+ /* A negative status with a non-NULL buffer shouldn't never
+ happen. But to be sure. */
+ if (status < 0)
+ internal_error (__FILE__, __LINE__,
+ "vasprintf call failed (errno %d)",
+ errno);
}
-\f
+
/* My replacement for the read system call.
Used like `read' but keeps going if `read' returns too soon. */
int
-myread (desc, addr, len)
- int desc;
- char *addr;
- int len;
+myread (int desc, char *addr, int len)
{
register int val;
int orglen = len;
Uses malloc to get the space. Returns the address of the copy. */
char *
-savestring (ptr, size)
- const char *ptr;
- int size;
+savestring (const char *ptr, size_t size)
{
register char *p = (char *) xmalloc (size + 1);
memcpy (p, ptr, size);
}
char *
-msavestring (md, ptr, size)
- PTR md;
- const char *ptr;
- int size;
+msavestring (void *md, const char *ptr, size_t size)
{
register char *p = (char *) xmmalloc (md, size + 1);
memcpy (p, ptr, size);
return p;
}
-/* The "const" is so it compiles under DGUX (which prototypes strsave
- in <string.h>. FIXME: This should be named "xstrsave", shouldn't it?
- Doesn't real strsave return NULL if out of memory? */
-char *
-strsave (ptr)
- const char *ptr;
-{
- return savestring (ptr, strlen (ptr));
-}
-
char *
-mstrsave (md, ptr)
- PTR md;
- const char *ptr;
+mstrsave (void *md, const char *ptr)
{
return (msavestring (md, ptr, strlen (ptr)));
}
void
-print_spaces (n, file)
- register int n;
- register GDB_FILE *file;
+print_spaces (register int n, register struct ui_file *file)
{
fputs_unfiltered (n_spaces (n), file);
}
/* Print a host address. */
void
-gdb_print_address (addr, stream)
- PTR addr;
- GDB_FILE *stream;
+gdb_print_host_address (void *addr, struct ui_file *stream)
{
/* We could use the %p conversion specifier to fprintf if we had any
/* VARARGS */
int
-#ifdef ANSI_PROTOTYPES
-query (char *ctlstr,...)
-#else
-query (va_alist)
- va_dcl
-#endif
+query (const char *ctlstr,...)
{
va_list args;
register int answer;
register int ans2;
int retval;
-#ifdef ANSI_PROTOTYPES
va_start (args, ctlstr);
-#else
- char *ctlstr;
- va_start (args);
- ctlstr = va_arg (args, char *);
-#endif
if (query_hook)
{
/* Automatically answer "yes" if input is not from a terminal. */
if (!input_from_terminal_p ())
return 1;
-#ifdef MPW
- /* FIXME Automatically answer "yes" if called from MacGDB. */
- if (mac_app)
- return 1;
-#endif /* MPW */
while (1)
{
if (annotation_level > 1)
printf_filtered ("\n\032\032query\n");
-#ifdef MPW
- /* If not in MacGDB, move to a new line so the entered line doesn't
- have a prompt on the front of it. */
- if (!mac_app)
- fputs_unfiltered ("\n", gdb_stdout);
-#endif /* MPW */
-
wrap_here ("");
gdb_flush (gdb_stdout);
-#if defined(TUI)
- if (!tui_version || cmdWin == tuiWinWithFocus ())
-#endif
- answer = fgetc (stdin);
-#if defined(TUI)
- else
- answer = (unsigned char) tuiBufferGetc ();
-
-#endif
+ answer = fgetc (stdin);
clearerr (stdin); /* in case of C-d */
if (answer == EOF) /* C-d */
{
break;
}
/* Eat rest of input line, to EOF or newline */
- if ((answer != '\n') || (tui_version && answer != '\r'))
+ if (answer != '\n')
do
{
-#if defined(TUI)
- if (!tui_version || cmdWin == tuiWinWithFocus ())
-#endif
- ans2 = fgetc (stdin);
-#if defined(TUI)
- else
- ans2 = (unsigned char) tuiBufferGetc ();
-#endif
+ ans2 = fgetc (stdin);
clearerr (stdin);
}
while (ans2 != EOF && ans2 != '\n' && ans2 != '\r');
- TUIDO (((TuiOpaqueFuncPtr) tui_vStartNewLines, 1));
if (answer >= 'a')
answer -= 040;
after the zeros. A value of 0 does not mean end of string. */
int
-parse_escape (string_ptr)
- char **string_ptr;
+parse_escape (char **string_ptr)
{
register int c = *(*string_ptr)++;
switch (c)
be call for printing things which are independent of the language
of the program being debugged. */
-static void printchar PARAMS ((int c, void (*do_fputs) (const char *, GDB_FILE*), void (*do_fprintf) (GDB_FILE*, const char *, ...), GDB_FILE *stream, int quoter));
-
static void
-printchar (c, do_fputs, do_fprintf, stream, quoter)
- int c;
- void (*do_fputs) PARAMS ((const char *, GDB_FILE*));
- void (*do_fprintf) PARAMS ((GDB_FILE*, const char *, ...));
- GDB_FILE *stream;
- int quoter;
+printchar (int c, void (*do_fputs) (const char *, struct ui_file *),
+ void (*do_fprintf) (struct ui_file *, const char *, ...),
+ struct ui_file *stream, int quoter)
{
c &= 0xFF; /* Avoid sign bit follies */
the language of the program being debugged. */
void
-fputstr_filtered (str, quoter, stream)
- const char *str;
- int quoter;
- GDB_FILE *stream;
+fputstr_filtered (const char *str, int quoter, struct ui_file *stream)
{
while (*str)
printchar (*str++, fputs_filtered, fprintf_filtered, stream, quoter);
}
void
-fputstr_unfiltered (str, quoter, stream)
- const char *str;
- int quoter;
- GDB_FILE *stream;
+fputstr_unfiltered (const char *str, int quoter, struct ui_file *stream)
{
while (*str)
printchar (*str++, fputs_unfiltered, fprintf_unfiltered, stream, quoter);
}
void
-fputstrn_unfiltered (str, n, quoter, stream)
- const char *str;
- int n;
- int quoter;
- GDB_FILE *stream;
+fputstrn_unfiltered (const char *str, int n, int quoter, struct ui_file *stream)
{
int i;
for (i = 0; i < n; i++)
/* Number of lines per page or UINT_MAX if paging is disabled. */
static unsigned int lines_per_page;
-/* Number of chars per line or UNIT_MAX is line folding is disabled. */
+/* Number of chars per line or UINT_MAX if line folding is disabled. */
static unsigned int chars_per_line;
/* Current count of lines printed on this page, chars on this line. */
static unsigned int lines_printed, chars_printed;
/* Inialize the lines and chars per page */
void
-init_page_info ()
+init_page_info (void)
{
#if defined(TUI)
- if (tui_version && m_winPtrNotNull (cmdWin))
- {
- lines_per_page = cmdWin->generic.height;
- chars_per_line = cmdWin->generic.width;
- }
- else
+ if (!tui_get_command_dimension (&chars_per_line, &lines_per_page))
#endif
{
/* These defaults will be used if we are unable to get the correct
lines_per_page = 24;
chars_per_line = 80;
-#if !defined (MPW) && !defined (_WIN32)
+#if !defined (_WIN32)
/* No termcap under MPW, although might be cool to do something
by looking at worksheet or console window sizes. */
/* Initialize the screen height and width from termcap. */
#endif
#endif
/* If the output is not a terminal, don't paginate it. */
- if (!GDB_FILE_ISATTY (gdb_stdout))
+ if (!ui_file_isatty (gdb_stdout))
lines_per_page = UINT_MAX;
} /* the command_line_version */
set_width ();
}
static void
-set_width ()
+set_width (void)
{
if (chars_per_line == 0)
init_page_info ();
/* ARGSUSED */
static void
-set_width_command (args, from_tty, c)
- char *args;
- int from_tty;
- struct cmd_list_element *c;
+set_width_command (char *args, int from_tty, struct cmd_list_element *c)
{
set_width ();
}
to continue by pressing RETURN. */
static void
-prompt_for_continue ()
+prompt_for_continue (void)
{
char *ignore;
char cont_prompt[120];
++p;
if (p[0] == 'q')
{
- if (!async_p)
+ if (!event_loop_p)
request_quit (SIGINT);
else
async_request_quit (0);
}
- free (ignore);
+ xfree (ignore);
}
immediate_quit--;
/* Reinitialize filter; ie. tell it to reset to original values. */
void
-reinitialize_more_filter ()
+reinitialize_more_filter (void)
{
lines_printed = 0;
chars_printed = 0;
used to force out output from the wrap_buffer. */
void
-wrap_here (indent)
- char *indent;
+wrap_here (char *indent)
{
/* This should have been allocated, but be paranoid anyway. */
if (!wrap_buffer)
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
if (wrap_buffer[0])
{
{
wrap_column = chars_printed;
if (indent == NULL)
- wrap_indent = "";
- else
- wrap_indent = indent;
- }
-}
-
-/* Ensure that whatever gets printed next, using the filtered output
- commands, starts at the beginning of the line. I.E. if there is
- any pending output for the current line, flush it and start a new
- line. Otherwise do nothing. */
-
-void
-begin_line ()
-{
- if (chars_printed > 0)
- {
- puts_filtered ("\n");
- }
-}
-
-
-/* ``struct gdb_file'' implementation that maps directly onto
- <stdio.h>'s FILE. */
-
-static gdb_file_fputs_ftype stdio_file_fputs;
-static gdb_file_isatty_ftype stdio_file_isatty;
-static gdb_file_delete_ftype stdio_file_delete;
-static struct gdb_file *stdio_file_new PARAMS ((FILE * file, int close_p));
-static gdb_file_flush_ftype stdio_file_flush;
-
-static int stdio_file_magic;
-
-struct stdio_file
- {
- int *magic;
- FILE *file;
- int close_p;
- };
-
-static struct gdb_file *
-stdio_file_new (file, close_p)
- FILE *file;
- int close_p;
-{
- struct gdb_file *gdb_file = gdb_file_new ();
- struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file));
- stdio->magic = &stdio_file_magic;
- stdio->file = file;
- stdio->close_p = close_p;
- set_gdb_file_data (gdb_file, stdio, stdio_file_delete);
- set_gdb_file_flush (gdb_file, stdio_file_flush);
- set_gdb_file_fputs (gdb_file, stdio_file_fputs);
- set_gdb_file_isatty (gdb_file, stdio_file_isatty);
- return gdb_file;
-}
-
-static void
-stdio_file_delete (file)
- struct gdb_file *file;
-{
- struct stdio_file *stdio = gdb_file_data (file);
- if (stdio->magic != &stdio_file_magic)
- error ("Internal error: bad magic number");
- if (stdio->close_p)
- {
- fclose (stdio->file);
- }
- free (stdio);
-}
-
-static void
-stdio_file_flush (file)
- struct gdb_file *file;
-{
- struct stdio_file *stdio = gdb_file_data (file);
- if (stdio->magic != &stdio_file_magic)
- error ("Internal error: bad magic number");
- fflush (stdio->file);
-}
-
-static void
-stdio_file_fputs (linebuffer, file)
- const char *linebuffer;
- struct gdb_file *file;
-{
- struct stdio_file *stdio = gdb_file_data (file);
- if (stdio->magic != &stdio_file_magic)
- error ("Internal error: bad magic number");
- fputs (linebuffer, stdio->file);
-}
-
-static int
-stdio_file_isatty (file)
- struct gdb_file *file;
-{
- struct stdio_file *stdio = gdb_file_data (file);
- if (stdio->magic != &stdio_file_magic)
- error ("Internal error: bad magic number");
- return (isatty (fileno (stdio->file)));
-}
-
-/* Like fdopen(). Create a gdb_file from a previously opened FILE. */
-
-struct gdb_file *
-stdio_fileopen (file)
- FILE *file;
-{
- return stdio_file_new (file, 0);
-}
-
-
-/* A ``struct gdb_file'' that is compatible with all the legacy
- code. */
-
-static gdb_file_flush_ftype tui_file_flush;
-extern gdb_file_fputs_ftype tui_file_fputs;
-static gdb_file_isatty_ftype tui_file_isatty;
-static gdb_file_rewind_ftype tui_file_rewind;
-static gdb_file_put_ftype tui_file_put;
-static gdb_file_delete_ftype tui_file_delete;
-static struct gdb_file *tui_file_new PARAMS ((void));
-static int tui_file_magic;
-
-static struct gdb_file *
-tui_file_new ()
-{
- struct tui_stream *tui = xmalloc (sizeof (struct tui_stream));
- struct gdb_file *file = gdb_file_new ();
- set_gdb_file_data (file, tui, tui_file_delete);
- set_gdb_file_flush (file, tui_file_flush);
- set_gdb_file_fputs (file, tui_file_fputs);
- set_gdb_file_isatty (file, tui_file_isatty);
- set_gdb_file_rewind (file, tui_file_rewind);
- set_gdb_file_put (file, tui_file_put);
- tui->ts_magic = &tui_file_magic;
- return file;
-}
-
-static void
-tui_file_delete (file)
- struct gdb_file *file;
-{
- struct tui_stream *tmpstream = gdb_file_data (file);
- if (tmpstream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
- if ((tmpstream->ts_streamtype == astring) &&
- (tmpstream->ts_strbuf != NULL))
- {
- free (tmpstream->ts_strbuf);
- }
- free (tmpstream);
-}
-
-struct gdb_file *
-tui_fileopen (stream)
- FILE *stream;
-{
- struct gdb_file *file = tui_file_new ();
- struct tui_stream *tmpstream = gdb_file_data (file);
- tmpstream->ts_streamtype = afile;
- tmpstream->ts_filestream = stream;
- tmpstream->ts_strbuf = NULL;
- tmpstream->ts_buflen = 0;
- return file;
-}
-
-static int
-tui_file_isatty (file)
- struct gdb_file *file;
-{
- struct tui_stream *stream = gdb_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
- if (stream->ts_streamtype == afile)
- return (isatty (fileno (stream->ts_filestream)));
- else
- return 0;
-}
-
-static void
-tui_file_rewind (file)
- struct gdb_file *file;
-{
- struct tui_stream *stream = gdb_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
- stream->ts_strbuf[0] = '\0';
-}
-
-static void
-tui_file_put (file, dest)
- struct gdb_file *file;
- struct gdb_file *dest;
-{
- struct tui_stream *stream = gdb_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
- if (stream->ts_streamtype == astring)
- {
- fputs_unfiltered (stream->ts_strbuf, dest);
- }
-}
-
-GDB_FILE *
-gdb_file_init_astring (n)
- int n;
-{
- struct gdb_file *file = tui_file_new ();
- struct tui_stream *tmpstream = gdb_file_data (file);
- if (tmpstream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
-
- tmpstream->ts_streamtype = astring;
- tmpstream->ts_filestream = NULL;
- if (n > 0)
- {
- tmpstream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
- tmpstream->ts_strbuf[0] = '\0';
- }
- else
- tmpstream->ts_strbuf = NULL;
- tmpstream->ts_buflen = n;
-
- return file;
-}
-
-void
-gdb_file_deallocate (streamptr)
- GDB_FILE **streamptr;
-{
- gdb_file_delete (*streamptr);
- *streamptr = NULL;
-}
-
-char *
-gdb_file_get_strbuf (file)
- GDB_FILE *file;
-{
- struct tui_stream *stream = gdb_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
- return (stream->ts_strbuf);
-}
-
-/* adjust the length of the buffer by the amount necessary
- to accomodate appending a string of length N to the buffer contents */
-void
-gdb_file_adjust_strbuf (n, file)
- int n;
- GDB_FILE *file;
-{
- struct tui_stream *stream = gdb_file_data (file);
- int non_null_chars;
- if (stream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
-
- if (stream->ts_streamtype != astring)
- return;
-
- if (stream->ts_strbuf)
- {
- /* There is already a buffer allocated */
- non_null_chars = strlen (stream->ts_strbuf);
-
- if (n > (stream->ts_buflen - non_null_chars - 1))
- {
- stream->ts_buflen = n + non_null_chars + 1;
- stream->ts_strbuf = xrealloc (stream->ts_strbuf, stream->ts_buflen);
- }
- }
- else
- /* No buffer yet, so allocate one of the desired size */
- stream->ts_strbuf = xmalloc ((n + 1) * sizeof (char));
-}
-
-GDB_FILE *
-gdb_fopen (name, mode)
- char *name;
- char *mode;
-{
- FILE *f = fopen (name, mode);
- if (f == NULL)
- return NULL;
- return stdio_file_new (f, 1);
-}
-
-static void
-tui_file_flush (file)
- GDB_FILE *file;
-{
- struct tui_stream *stream = gdb_file_data (file);
- if (stream->ts_magic != &tui_file_magic)
- error ("Internal error: bad magic number");
- if (flush_hook
- && (file == gdb_stdout
- || file == gdb_stderr))
- {
- flush_hook (file);
- return;
- }
-
- fflush (stream->ts_filestream);
-}
-
-void
-gdb_fclose (streamptr)
- GDB_FILE **streamptr;
-{
- gdb_file_delete (*streamptr);
- *streamptr = NULL;
-}
-
-
-/* Implement the ``struct gdb_file'' object. */
-
-static gdb_file_isatty_ftype null_file_isatty;
-static gdb_file_fputs_ftype null_file_fputs;
-static gdb_file_flush_ftype null_file_flush;
-static gdb_file_delete_ftype null_file_delete;
-static gdb_file_rewind_ftype null_file_rewind;
-static gdb_file_put_ftype null_file_put;
-
-struct gdb_file
- {
- gdb_file_flush_ftype *to_flush;
- gdb_file_fputs_ftype *to_fputs;
- gdb_file_delete_ftype *to_delete;
- gdb_file_isatty_ftype *to_isatty;
- gdb_file_rewind_ftype *to_rewind;
- gdb_file_put_ftype *to_put;
- void *to_data;
- };
-
-struct gdb_file *
-gdb_file_new ()
-{
- struct gdb_file *file = xmalloc (sizeof (struct gdb_file));
- set_gdb_file_data (file, NULL, null_file_delete);
- set_gdb_file_flush (file, null_file_flush);
- set_gdb_file_fputs (file, null_file_fputs);
- set_gdb_file_isatty (file, null_file_isatty);
- set_gdb_file_rewind (file, null_file_rewind);
- set_gdb_file_put (file, null_file_put);
- return file;
-}
-
-void
-gdb_file_delete (file)
- struct gdb_file *file;
-{
- file->to_delete (file);
- free (file);
-}
-
-static int
-null_file_isatty (file)
- struct gdb_file *file;
-{
- return 0;
-}
-
-static void
-null_file_rewind (file)
- struct gdb_file *file;
-{
- return;
-}
-
-static void
-null_file_put (file, src)
- struct gdb_file *file;
- struct gdb_file *src;
-{
- return;
-}
-
-static void
-null_file_flush (file)
- struct gdb_file *file;
-{
- return;
-}
-
-static void
-null_file_fputs (buf, file)
- const char *buf;
- struct gdb_file *file;
-{
- return;
-}
-
-static void
-null_file_delete (file)
- struct gdb_file *file;
-{
- return;
-}
-
-void *
-gdb_file_data (file)
- struct gdb_file *file;
-{
- return file->to_data;
-}
-
-void
-gdb_flush (file)
- struct gdb_file *file;
-{
- file->to_flush (file);
-}
-
-int
-gdb_file_isatty (file)
- struct gdb_file *file;
-{
- return file->to_isatty (file);
-}
-
-void
-gdb_file_rewind (file)
- struct gdb_file *file;
-{
- file->to_rewind (file);
-}
-
-void
-gdb_file_put (file, dest)
- struct gdb_file *file;
- struct gdb_file *dest;
-{
- file->to_put (file, dest);
-}
-
-void
-fputs_unfiltered (buf, file)
- const char *buf;
- struct gdb_file *file;
-{
- file->to_fputs (buf, file);
-}
-
-void
-set_gdb_file_flush (file, flush)
- struct gdb_file *file;
- gdb_file_flush_ftype *flush;
-{
- file->to_flush = flush;
-}
-
-void
-set_gdb_file_isatty (file, isatty)
- struct gdb_file *file;
- gdb_file_isatty_ftype *isatty;
-{
- file->to_isatty = isatty;
-}
-
-void
-set_gdb_file_rewind (file, rewind)
- struct gdb_file *file;
- gdb_file_rewind_ftype *rewind;
-{
- file->to_rewind = rewind;
+ wrap_indent = "";
+ else
+ wrap_indent = indent;
+ }
}
-void
-set_gdb_file_put (file, put)
- struct gdb_file *file;
- gdb_file_put_ftype *put;
-{
- file->to_put = put;
-}
+/* Ensure that whatever gets printed next, using the filtered output
+ commands, starts at the beginning of the line. I.E. if there is
+ any pending output for the current line, flush it and start a new
+ line. Otherwise do nothing. */
void
-set_gdb_file_fputs (file, fputs)
- struct gdb_file *file;
- gdb_file_fputs_ftype *fputs;
+begin_line (void)
{
- file->to_fputs = fputs;
+ if (chars_printed > 0)
+ {
+ puts_filtered ("\n");
+ }
}
-void
-set_gdb_file_data (file, data, delete)
- struct gdb_file *file;
- void *data;
- gdb_file_delete_ftype *delete;
-{
- file->to_data = data;
- file->to_delete = delete;
-}
/* Like fputs but if FILTER is true, pause after every screenful.
routine should not be called when cleanups are not in place. */
static void
-fputs_maybe_filtered (linebuffer, stream, filter)
- const char *linebuffer;
- GDB_FILE *stream;
- int filter;
+fputs_maybe_filtered (const char *linebuffer, struct ui_file *stream,
+ int filter)
{
const char *lineptr;
}
void
-fputs_filtered (linebuffer, stream)
- const char *linebuffer;
- GDB_FILE *stream;
+fputs_filtered (const char *linebuffer, struct ui_file *stream)
{
fputs_maybe_filtered (linebuffer, stream, 1);
}
int
-putchar_unfiltered (c)
- int c;
+putchar_unfiltered (int c)
{
- char buf[2];
-
- buf[0] = c;
- buf[1] = 0;
- fputs_unfiltered (buf, gdb_stdout);
+ char buf = c;
+ ui_file_write (gdb_stdout, &buf, 1);
return c;
}
+/* Write character C to gdb_stdout using GDB's paging mechanism and return C.
+ May return nonlocally. */
+
int
-fputc_unfiltered (c, stream)
- int c;
- GDB_FILE *stream;
+putchar_filtered (int c)
{
- char buf[2];
+ return fputc_filtered (c, gdb_stdout);
+}
- buf[0] = c;
- buf[1] = 0;
- fputs_unfiltered (buf, stream);
+int
+fputc_unfiltered (int c, struct ui_file *stream)
+{
+ char buf = c;
+ ui_file_write (stream, &buf, 1);
return c;
}
int
-fputc_filtered (c, stream)
- int c;
- GDB_FILE *stream;
+fputc_filtered (int c, struct ui_file *stream)
{
char buf[2];
characters in printable fashion. */
void
-puts_debug (prefix, string, suffix)
- char *prefix;
- char *string;
- char *suffix;
+puts_debug (char *prefix, char *string, char *suffix)
{
int ch;
called when cleanups are not in place. */
static void
-vfprintf_maybe_filtered (stream, format, args, filter)
- GDB_FILE *stream;
- const char *format;
- va_list args;
- int filter;
+vfprintf_maybe_filtered (struct ui_file *stream, const char *format,
+ va_list args, int filter)
{
char *linebuffer;
struct cleanup *old_cleanups;
- vasprintf (&linebuffer, format, args);
- if (linebuffer == NULL)
- {
- fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr);
- exit (1);
- }
- old_cleanups = make_cleanup (free, linebuffer);
+ xvasprintf (&linebuffer, format, args);
+ old_cleanups = make_cleanup (xfree, linebuffer);
fputs_maybe_filtered (linebuffer, stream, filter);
do_cleanups (old_cleanups);
}
void
-vfprintf_filtered (stream, format, args)
- GDB_FILE *stream;
- const char *format;
- va_list args;
+vfprintf_filtered (struct ui_file *stream, const char *format, va_list args)
{
vfprintf_maybe_filtered (stream, format, args, 1);
}
void
-vfprintf_unfiltered (stream, format, args)
- GDB_FILE *stream;
- const char *format;
- va_list args;
+vfprintf_unfiltered (struct ui_file *stream, const char *format, va_list args)
{
char *linebuffer;
struct cleanup *old_cleanups;
- vasprintf (&linebuffer, format, args);
- if (linebuffer == NULL)
- {
- fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr);
- exit (1);
- }
- old_cleanups = make_cleanup (free, linebuffer);
+ xvasprintf (&linebuffer, format, args);
+ old_cleanups = make_cleanup (xfree, linebuffer);
fputs_unfiltered (linebuffer, stream);
do_cleanups (old_cleanups);
}
void
-vprintf_filtered (format, args)
- const char *format;
- va_list args;
+vprintf_filtered (const char *format, va_list args)
{
vfprintf_maybe_filtered (gdb_stdout, format, args, 1);
}
void
-vprintf_unfiltered (format, args)
- const char *format;
- va_list args;
+vprintf_unfiltered (const char *format, va_list args)
{
vfprintf_unfiltered (gdb_stdout, format, args);
}
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
-fprintf_filtered (GDB_FILE * stream, const char *format,...)
-#else
-fprintf_filtered (va_alist)
- va_dcl
-#endif
+fprintf_filtered (struct ui_file * stream, const char *format,...)
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, format);
-#else
- GDB_FILE *stream;
- char *format;
-
- va_start (args);
- stream = va_arg (args, GDB_FILE *);
- format = va_arg (args, char *);
-#endif
vfprintf_filtered (stream, format, args);
va_end (args);
}
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
-fprintf_unfiltered (GDB_FILE * stream, const char *format,...)
-#else
-fprintf_unfiltered (va_alist)
- va_dcl
-#endif
+fprintf_unfiltered (struct ui_file * stream, const char *format,...)
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, format);
-#else
- GDB_FILE *stream;
- char *format;
-
- va_start (args);
- stream = va_arg (args, GDB_FILE *);
- format = va_arg (args, char *);
-#endif
vfprintf_unfiltered (stream, format, args);
va_end (args);
}
/* Like fprintf_filtered, but prints its result indented.
Called as fprintfi_filtered (spaces, stream, format, ...); */
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
-fprintfi_filtered (int spaces, GDB_FILE * stream, const char *format,...)
-#else
-fprintfi_filtered (va_alist)
- va_dcl
-#endif
+fprintfi_filtered (int spaces, struct ui_file * stream, const char *format,...)
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, format);
-#else
- int spaces;
- GDB_FILE *stream;
- char *format;
-
- va_start (args);
- spaces = va_arg (args, int);
- stream = va_arg (args, GDB_FILE *);
- format = va_arg (args, char *);
-#endif
print_spaces_filtered (spaces, stream);
vfprintf_filtered (stream, format, args);
}
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
printf_filtered (const char *format,...)
-#else
-printf_filtered (va_alist)
- va_dcl
-#endif
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, format);
-#else
- char *format;
-
- va_start (args);
- format = va_arg (args, char *);
-#endif
vfprintf_filtered (gdb_stdout, format, args);
va_end (args);
}
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
printf_unfiltered (const char *format,...)
-#else
-printf_unfiltered (va_alist)
- va_dcl
-#endif
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, format);
-#else
- char *format;
-
- va_start (args);
- format = va_arg (args, char *);
-#endif
vfprintf_unfiltered (gdb_stdout, format, args);
va_end (args);
}
/* Like printf_filtered, but prints it's result indented.
Called as printfi_filtered (spaces, format, ...); */
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
printfi_filtered (int spaces, const char *format,...)
-#else
-printfi_filtered (va_alist)
- va_dcl
-#endif
{
va_list args;
-#ifdef ANSI_PROTOTYPES
va_start (args, format);
-#else
- int spaces;
- char *format;
-
- va_start (args);
- spaces = va_arg (args, int);
- format = va_arg (args, char *);
-#endif
print_spaces_filtered (spaces, gdb_stdout);
vfprintf_filtered (gdb_stdout, format, args);
va_end (args);
This one doesn't, and had better not! */
void
-puts_filtered (string)
- const char *string;
+puts_filtered (const char *string)
{
fputs_filtered (string, gdb_stdout);
}
void
-puts_unfiltered (string)
- const char *string;
+puts_unfiltered (const char *string)
{
fputs_unfiltered (string, gdb_stdout);
}
/* Return a pointer to N spaces and a null. The pointer is good
until the next call to here. */
char *
-n_spaces (n)
- int n;
+n_spaces (int n)
{
char *t;
static char *spaces = 0;
if (n > max_spaces)
{
if (spaces)
- free (spaces);
+ xfree (spaces);
spaces = (char *) xmalloc (n + 1);
for (t = spaces + n; t != spaces;)
*--t = ' ';
/* Print N spaces. */
void
-print_spaces_filtered (n, stream)
- int n;
- GDB_FILE *stream;
+print_spaces_filtered (int n, struct ui_file *stream)
{
fputs_filtered (n_spaces (n), stream);
}
demangling is off, the name is printed in its "raw" form. */
void
-fprintf_symbol_filtered (stream, name, lang, arg_mode)
- GDB_FILE *stream;
- char *name;
- enum language lang;
- int arg_mode;
+fprintf_symbol_filtered (struct ui_file *stream, char *name, enum language lang,
+ int arg_mode)
{
char *demangled;
fputs_filtered (demangled ? demangled : name, stream);
if (demangled != NULL)
{
- free (demangled);
+ xfree (demangled);
}
}
}
function). */
int
-strcmp_iw (string1, string2)
- const char *string1;
- const char *string2;
+strcmp_iw (const char *string1, const char *string2)
{
while ((*string1 != '\0') && (*string2 != '\0'))
{
** at index 0.
*/
int
-subset_compare (string_to_compare, template_string)
- char *string_to_compare;
- char *template_string;
+subset_compare (char *string_to_compare, char *template_string)
{
int match;
if (template_string != (char *) NULL && string_to_compare != (char *) NULL &&
}
-static void pagination_on_command PARAMS ((char *arg, int from_tty));
+static void pagination_on_command (char *arg, int from_tty);
static void
-pagination_on_command (arg, from_tty)
- char *arg;
- int from_tty;
+pagination_on_command (char *arg, int from_tty)
{
pagination_enabled = 1;
}
-static void pagination_on_command PARAMS ((char *arg, int from_tty));
+static void pagination_on_command (char *arg, int from_tty);
static void
-pagination_off_command (arg, from_tty)
- char *arg;
- int from_tty;
+pagination_off_command (char *arg, int from_tty)
{
pagination_enabled = 0;
}
\f
void
-initialize_utils ()
+initialize_utils (void)
{
struct cmd_list_element *c;
"Set number of characters gdb thinks are in a line.",
&setlist);
add_show_from_set (c, &showlist);
- c->function.sfunc = set_width_command;
+ set_cmd_sfunc (c, set_width_command);
add_show_from_set
(add_set_cmd ("height", class_support,
init_page_info ();
/* If the output is not a terminal, don't paginate it. */
- if (!GDB_FILE_ISATTY (gdb_stdout))
+ if (!ui_file_isatty (gdb_stdout))
lines_per_page = UINT_MAX;
set_width_command ((char *) NULL, 0, c);
var_boolean, (char *) &pagination_enabled,
"Set state of pagination.", &setlist),
&showlist);
+
if (xdb_commands)
{
add_com ("am", class_support, pagination_on_command,
#ifdef SIGWINCH_HANDLER_BODY
SIGWINCH_HANDLER_BODY
#endif
-\f
-/* Support for converting target fp numbers into host DOUBLEST format. */
-
-/* XXX - This code should really be in libiberty/floatformat.c, however
- configuration issues with libiberty made this very difficult to do in the
- available time. */
-
-#include "floatformat.h"
-#include <math.h> /* ldexp */
-
-/* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not
- going to bother with trying to muck around with whether it is defined in
- a system header, what we do if not, etc. */
-#define FLOATFORMAT_CHAR_BIT 8
-
-static unsigned long get_field PARAMS ((unsigned char *,
- enum floatformat_byteorders,
- unsigned int,
- unsigned int,
- unsigned int));
-
-/* Extract a field which starts at START and is LEN bytes long. DATA and
- TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
-static unsigned long
-get_field (data, order, total_len, start, len)
- unsigned char *data;
- enum floatformat_byteorders order;
- unsigned int total_len;
- unsigned int start;
- unsigned int len;
-{
- unsigned long result;
- unsigned int cur_byte;
- int cur_bitshift;
-
- /* Start at the least significant part of the field. */
- cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT;
- if (order == floatformat_little || order == floatformat_littlebyte_bigword)
- cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) - cur_byte - 1;
- cur_bitshift =
- ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT;
- result = *(data + cur_byte) >> (-cur_bitshift);
- cur_bitshift += FLOATFORMAT_CHAR_BIT;
- if (order == floatformat_little || order == floatformat_littlebyte_bigword)
- ++cur_byte;
- else
- --cur_byte;
-
- /* Move towards the most significant part of the field. */
- while (cur_bitshift < len)
- {
- if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT)
- /* This is the last byte; zero out the bits which are not part of
- this field. */
- result |=
- (*(data + cur_byte) & ((1 << (len - cur_bitshift)) - 1))
- << cur_bitshift;
- else
- result |= *(data + cur_byte) << cur_bitshift;
- cur_bitshift += FLOATFORMAT_CHAR_BIT;
- if (order == floatformat_little || order == floatformat_littlebyte_bigword)
- ++cur_byte;
- else
- --cur_byte;
- }
- return result;
-}
-
-/* Convert from FMT to a DOUBLEST.
- FROM is the address of the extended float.
- Store the DOUBLEST in *TO. */
-
-void
-floatformat_to_doublest (fmt, from, to)
- const struct floatformat *fmt;
- char *from;
- DOUBLEST *to;
-{
- unsigned char *ufrom = (unsigned char *) from;
- DOUBLEST dto;
- long exponent;
- unsigned long mant;
- unsigned int mant_bits, mant_off;
- int mant_bits_left;
- int special_exponent; /* It's a NaN, denorm or zero */
-
- /* If the mantissa bits are not contiguous from one end of the
- mantissa to the other, we need to make a private copy of the
- source bytes that is in the right order since the unpacking
- algorithm assumes that the bits are contiguous.
-
- Swap the bytes individually rather than accessing them through
- "long *" since we have no guarantee that they start on a long
- alignment, and also sizeof(long) for the host could be different
- than sizeof(long) for the target. FIXME: Assumes sizeof(long)
- for the target is 4. */
-
- if (fmt->byteorder == floatformat_littlebyte_bigword)
- {
- static unsigned char *newfrom;
- unsigned char *swapin, *swapout;
- int longswaps;
-
- longswaps = fmt->totalsize / FLOATFORMAT_CHAR_BIT;
- longswaps >>= 3;
-
- if (newfrom == NULL)
- {
- newfrom = (unsigned char *) xmalloc (fmt->totalsize);
- }
- swapout = newfrom;
- swapin = ufrom;
- ufrom = newfrom;
- while (longswaps-- > 0)
- {
- /* This is ugly, but efficient */
- *swapout++ = swapin[4];
- *swapout++ = swapin[5];
- *swapout++ = swapin[6];
- *swapout++ = swapin[7];
- *swapout++ = swapin[0];
- *swapout++ = swapin[1];
- *swapout++ = swapin[2];
- *swapout++ = swapin[3];
- swapin += 8;
- }
- }
-
- exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize,
- fmt->exp_start, fmt->exp_len);
- /* Note that if exponent indicates a NaN, we can't really do anything useful
- (not knowing if the host has NaN's, or how to build one). So it will
- end up as an infinity or something close; that is OK. */
-
- mant_bits_left = fmt->man_len;
- mant_off = fmt->man_start;
- dto = 0.0;
-
- special_exponent = exponent == 0 || exponent == fmt->exp_nan;
-
-/* Don't bias zero's, denorms or NaNs. */
- if (!special_exponent)
- exponent -= fmt->exp_bias;
-
- /* Build the result algebraically. Might go infinite, underflow, etc;
- who cares. */
-
-/* If this format uses a hidden bit, explicitly add it in now. Otherwise,
- increment the exponent by one to account for the integer bit. */
-
- if (!special_exponent)
- {
- if (fmt->intbit == floatformat_intbit_no)
- dto = ldexp (1.0, exponent);
- else
- exponent++;
- }
-
- while (mant_bits_left > 0)
- {
- mant_bits = min (mant_bits_left, 32);
-
- mant = get_field (ufrom, fmt->byteorder, fmt->totalsize,
- mant_off, mant_bits);
-
- dto += ldexp ((double) mant, exponent - mant_bits);
- exponent -= mant_bits;
- mant_off += mant_bits;
- mant_bits_left -= mant_bits;
- }
-
- /* Negate it if negative. */
- if (get_field (ufrom, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1))
- dto = -dto;
- *to = dto;
-}
-\f
-static void put_field PARAMS ((unsigned char *, enum floatformat_byteorders,
- unsigned int,
- unsigned int,
- unsigned int,
- unsigned long));
-
-/* Set a field which starts at START and is LEN bytes long. DATA and
- TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
-static void
-put_field (data, order, total_len, start, len, stuff_to_put)
- unsigned char *data;
- enum floatformat_byteorders order;
- unsigned int total_len;
- unsigned int start;
- unsigned int len;
- unsigned long stuff_to_put;
-{
- unsigned int cur_byte;
- int cur_bitshift;
-
- /* Start at the least significant part of the field. */
- cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT;
- if (order == floatformat_little || order == floatformat_littlebyte_bigword)
- cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) - cur_byte - 1;
- cur_bitshift =
- ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT;
- *(data + cur_byte) &=
- ~(((1 << ((start + len) % FLOATFORMAT_CHAR_BIT)) - 1) << (-cur_bitshift));
- *(data + cur_byte) |=
- (stuff_to_put & ((1 << FLOATFORMAT_CHAR_BIT) - 1)) << (-cur_bitshift);
- cur_bitshift += FLOATFORMAT_CHAR_BIT;
- if (order == floatformat_little || order == floatformat_littlebyte_bigword)
- ++cur_byte;
- else
- --cur_byte;
-
- /* Move towards the most significant part of the field. */
- while (cur_bitshift < len)
- {
- if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT)
- {
- /* This is the last byte. */
- *(data + cur_byte) &=
- ~((1 << (len - cur_bitshift)) - 1);
- *(data + cur_byte) |= (stuff_to_put >> cur_bitshift);
- }
- else
- *(data + cur_byte) = ((stuff_to_put >> cur_bitshift)
- & ((1 << FLOATFORMAT_CHAR_BIT) - 1));
- cur_bitshift += FLOATFORMAT_CHAR_BIT;
- if (order == floatformat_little || order == floatformat_littlebyte_bigword)
- ++cur_byte;
- else
- --cur_byte;
- }
-}
-
-#ifdef HAVE_LONG_DOUBLE
-/* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR.
- The range of the returned value is >= 0.5 and < 1.0. This is equivalent to
- frexp, but operates on the long double data type. */
-
-static long double ldfrexp PARAMS ((long double value, int *eptr));
-
-static long double
-ldfrexp (value, eptr)
- long double value;
- int *eptr;
-{
- long double tmp;
- int exp;
-
- /* Unfortunately, there are no portable functions for extracting the exponent
- of a long double, so we have to do it iteratively by multiplying or dividing
- by two until the fraction is between 0.5 and 1.0. */
-
- if (value < 0.0l)
- value = -value;
-
- tmp = 1.0l;
- exp = 0;
-
- if (value >= tmp) /* Value >= 1.0 */
- while (value >= tmp)
- {
- tmp *= 2.0l;
- exp++;
- }
- else if (value != 0.0l) /* Value < 1.0 and > 0.0 */
- {
- while (value < tmp)
- {
- tmp /= 2.0l;
- exp--;
- }
- tmp *= 2.0l;
- exp++;
- }
-
- *eptr = exp;
- return value / tmp;
-}
-#endif /* HAVE_LONG_DOUBLE */
-
-
-/* The converse: convert the DOUBLEST *FROM to an extended float
- and store where TO points. Neither FROM nor TO have any alignment
- restrictions. */
-
-void
-floatformat_from_doublest (fmt, from, to)
- CONST struct floatformat *fmt;
- DOUBLEST *from;
- char *to;
-{
- DOUBLEST dfrom;
- int exponent;
- DOUBLEST mant;
- unsigned int mant_bits, mant_off;
- int mant_bits_left;
- unsigned char *uto = (unsigned char *) to;
-
- memcpy (&dfrom, from, sizeof (dfrom));
- memset (uto, 0, fmt->totalsize / FLOATFORMAT_CHAR_BIT);
- if (dfrom == 0)
- return; /* Result is zero */
- if (dfrom != dfrom) /* Result is NaN */
- {
- /* From is NaN */
- put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start,
- fmt->exp_len, fmt->exp_nan);
- /* Be sure it's not infinity, but NaN value is irrel */
- put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start,
- 32, 1);
- return;
- }
-
- /* If negative, set the sign bit. */
- if (dfrom < 0)
- {
- put_field (uto, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1, 1);
- dfrom = -dfrom;
- }
-
- if (dfrom + dfrom == dfrom && dfrom != 0.0) /* Result is Infinity */
- {
- /* Infinity exponent is same as NaN's. */
- put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start,
- fmt->exp_len, fmt->exp_nan);
- /* Infinity mantissa is all zeroes. */
- put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start,
- fmt->man_len, 0);
- return;
- }
-
-#ifdef HAVE_LONG_DOUBLE
- mant = ldfrexp (dfrom, &exponent);
-#else
- mant = frexp (dfrom, &exponent);
-#endif
-
- put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, fmt->exp_len,
- exponent + fmt->exp_bias - 1);
-
- mant_bits_left = fmt->man_len;
- mant_off = fmt->man_start;
- while (mant_bits_left > 0)
- {
- unsigned long mant_long;
- mant_bits = mant_bits_left < 32 ? mant_bits_left : 32;
-
- mant *= 4294967296.0;
- mant_long = (unsigned long) mant;
- mant -= mant_long;
-
- /* If the integer bit is implicit, then we need to discard it.
- If we are discarding a zero, we should be (but are not) creating
- a denormalized number which means adjusting the exponent
- (I think). */
- if (mant_bits_left == fmt->man_len
- && fmt->intbit == floatformat_intbit_no)
- {
- mant_long <<= 1;
- mant_bits -= 1;
- }
-
- if (mant_bits < 32)
- {
- /* The bits we want are in the most significant MANT_BITS bits of
- mant_long. Move them to the least significant. */
- mant_long >>= 32 - mant_bits;
- }
- put_field (uto, fmt->byteorder, fmt->totalsize,
- mant_off, mant_bits, mant_long);
- mant_off += mant_bits;
- mant_bits_left -= mant_bits;
- }
- if (fmt->byteorder == floatformat_littlebyte_bigword)
- {
- int count;
- unsigned char *swaplow = uto;
- unsigned char *swaphigh = uto + 4;
- unsigned char tmp;
-
- for (count = 0; count < 4; count++)
- {
- tmp = *swaplow;
- *swaplow++ = *swaphigh;
- *swaphigh++ = tmp;
- }
- }
-}
+/* print routines to handle variable size regs, etc. */
/* temporary storage using circular buffer */
#define NUMCELLS 16
#define CELLSIZE 32
static char *
-get_cell ()
+get_cell (void)
{
static char buf[NUMCELLS][CELLSIZE];
static int cell = 0;
return buf[cell];
}
-/* print routines to handle variable size regs, etc.
-
- FIXME: Note that t_addr is a bfd_vma, which is currently either an
- unsigned long or unsigned long long, determined at configure time.
- If t_addr is an unsigned long long and sizeof (unsigned long long)
- is greater than sizeof (unsigned long), then I believe this code will
- probably lose, at least for little endian machines. I believe that
- it would also be better to eliminate the switch on the absolute size
- of t_addr and replace it with a sequence of if statements that compare
- sizeof t_addr with sizeof the various types and do the right thing,
- which includes knowing whether or not the host supports long long.
- -fnf
-
- */
+int
+strlen_paddr (void)
+{
+ return (TARGET_ADDR_BIT / 8 * 2);
+}
-static int thirty_two = 32; /* eliminate warning from compiler on 32-bit systems */
+char *
+paddr (CORE_ADDR addr)
+{
+ return phex (addr, TARGET_ADDR_BIT / 8);
+}
char *
-paddr (addr)
- t_addr addr;
+paddr_nz (CORE_ADDR addr)
{
- char *paddr_str = get_cell ();
- switch (sizeof (t_addr))
+ return phex_nz (addr, TARGET_ADDR_BIT / 8);
+}
+
+static void
+decimal2str (char *paddr_str, char *sign, ULONGEST addr)
+{
+ /* steal code from valprint.c:print_decimal(). Should this worry
+ about the real size of addr as the above does? */
+ unsigned long temp[3];
+ int i = 0;
+ do
{
- case 8:
- sprintf (paddr_str, "%08lx%08lx",
- (unsigned long) (addr >> thirty_two), (unsigned long) (addr & 0xffffffff));
- break;
- case 4:
- sprintf (paddr_str, "%08lx", (unsigned long) addr);
+ temp[i] = addr % (1000 * 1000 * 1000);
+ addr /= (1000 * 1000 * 1000);
+ i++;
+ }
+ while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0])));
+ switch (i)
+ {
+ case 1:
+ sprintf (paddr_str, "%s%lu",
+ sign, temp[0]);
break;
case 2:
- sprintf (paddr_str, "%04x", (unsigned short) (addr & 0xffff));
+ sprintf (paddr_str, "%s%lu%09lu",
+ sign, temp[1], temp[0]);
+ break;
+ case 3:
+ sprintf (paddr_str, "%s%lu%09lu%09lu",
+ sign, temp[2], temp[1], temp[0]);
break;
default:
- sprintf (paddr_str, "%lx", (unsigned long) addr);
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
- return paddr_str;
}
char *
-preg (reg)
- t_reg reg;
+paddr_u (CORE_ADDR addr)
{
- char *preg_str = get_cell ();
- switch (sizeof (t_reg))
- {
- case 8:
- sprintf (preg_str, "%08lx%08lx",
- (unsigned long) (reg >> thirty_two), (unsigned long) (reg & 0xffffffff));
- break;
- case 4:
- sprintf (preg_str, "%08lx", (unsigned long) reg);
- break;
- case 2:
- sprintf (preg_str, "%04x", (unsigned short) (reg & 0xffff));
- break;
- default:
- sprintf (preg_str, "%lx", (unsigned long) reg);
- }
- return preg_str;
+ char *paddr_str = get_cell ();
+ decimal2str (paddr_str, "", addr);
+ return paddr_str;
}
char *
-paddr_nz (addr)
- t_addr addr;
+paddr_d (LONGEST addr)
{
char *paddr_str = get_cell ();
- switch (sizeof (t_addr))
+ if (addr < 0)
+ decimal2str (paddr_str, "-", -addr);
+ else
+ decimal2str (paddr_str, "", addr);
+ return paddr_str;
+}
+
+/* eliminate warning from compiler on 32-bit systems */
+static int thirty_two = 32;
+
+char *
+phex (ULONGEST l, int sizeof_l)
+{
+ char *str;
+ switch (sizeof_l)
{
case 8:
- {
- unsigned long high = (unsigned long) (addr >> thirty_two);
- if (high == 0)
- sprintf (paddr_str, "%lx", (unsigned long) (addr & 0xffffffff));
- else
- sprintf (paddr_str, "%lx%08lx",
- high, (unsigned long) (addr & 0xffffffff));
- break;
- }
+ str = get_cell ();
+ sprintf (str, "%08lx%08lx",
+ (unsigned long) (l >> thirty_two),
+ (unsigned long) (l & 0xffffffff));
+ break;
case 4:
- sprintf (paddr_str, "%lx", (unsigned long) addr);
+ str = get_cell ();
+ sprintf (str, "%08lx", (unsigned long) l);
break;
case 2:
- sprintf (paddr_str, "%x", (unsigned short) (addr & 0xffff));
+ str = get_cell ();
+ sprintf (str, "%04x", (unsigned short) (l & 0xffff));
break;
default:
- sprintf (paddr_str, "%lx", (unsigned long) addr);
+ str = phex (l, sizeof (l));
+ break;
}
- return paddr_str;
+ return str;
}
char *
-preg_nz (reg)
- t_reg reg;
+phex_nz (ULONGEST l, int sizeof_l)
{
- char *preg_str = get_cell ();
- switch (sizeof (t_reg))
+ char *str;
+ switch (sizeof_l)
{
case 8:
{
- unsigned long high = (unsigned long) (reg >> thirty_two);
+ unsigned long high = (unsigned long) (l >> thirty_two);
+ str = get_cell ();
if (high == 0)
- sprintf (preg_str, "%lx", (unsigned long) (reg & 0xffffffff));
+ sprintf (str, "%lx", (unsigned long) (l & 0xffffffff));
else
- sprintf (preg_str, "%lx%08lx",
- high, (unsigned long) (reg & 0xffffffff));
+ sprintf (str, "%lx%08lx",
+ high, (unsigned long) (l & 0xffffffff));
break;
}
case 4:
- sprintf (preg_str, "%lx", (unsigned long) reg);
+ str = get_cell ();
+ sprintf (str, "%lx", (unsigned long) l);
break;
case 2:
- sprintf (preg_str, "%x", (unsigned short) (reg & 0xffff));
+ str = get_cell ();
+ sprintf (str, "%x", (unsigned short) (l & 0xffff));
break;
default:
- sprintf (preg_str, "%lx", (unsigned long) reg);
+ str = phex_nz (l, sizeof (l));
+ break;
}
- return preg_str;
+ return str;
}
-/* Helper functions for INNER_THAN */
-int
-core_addr_lessthan (lhs, rhs)
- CORE_ADDR lhs;
- CORE_ADDR rhs;
+
+/* Convert to / from the hosts pointer to GDB's internal CORE_ADDR
+ using the target's conversion routines. */
+CORE_ADDR
+host_pointer_to_address (void *ptr)
{
- return (lhs < rhs);
+ if (sizeof (ptr) != TYPE_LENGTH (builtin_type_void_data_ptr))
+ internal_error (__FILE__, __LINE__,
+ "core_addr_to_void_ptr: bad cast");
+ return POINTER_TO_ADDRESS (builtin_type_void_data_ptr, &ptr);
}
-int
-core_addr_greaterthan (lhs, rhs)
- CORE_ADDR lhs;
- CORE_ADDR rhs;
+void *
+address_to_host_pointer (CORE_ADDR addr)
+{
+ void *ptr;
+ if (sizeof (ptr) != TYPE_LENGTH (builtin_type_void_data_ptr))
+ internal_error (__FILE__, __LINE__,
+ "core_addr_to_void_ptr: bad cast");
+ ADDRESS_TO_POINTER (builtin_type_void_data_ptr, &ptr, addr);
+ return ptr;
+}
+
+/* Convert a CORE_ADDR into a string. */
+const char *
+core_addr_to_string (const CORE_ADDR addr)
+{
+ char *str = get_cell ();
+ strcpy (str, "0x");
+ strcat (str, phex (addr, sizeof (addr)));
+ return str;
+}
+
+const char *
+core_addr_to_string_nz (const CORE_ADDR addr)
+{
+ char *str = get_cell ();
+ strcpy (str, "0x");
+ strcat (str, phex_nz (addr, sizeof (addr)));
+ return str;
+}
+
+/* Convert a string back into a CORE_ADDR. */
+CORE_ADDR
+string_to_core_addr (const char *my_string)
{
- return (lhs > rhs);
+ CORE_ADDR addr = 0;
+ if (my_string[0] == '0' && tolower (my_string[1]) == 'x')
+ {
+ /* Assume that it is in decimal. */
+ int i;
+ for (i = 2; my_string[i] != '\0'; i++)
+ {
+ if (isdigit (my_string[i]))
+ addr = (my_string[i] - '0') + (addr * 16);
+ else if (isxdigit (my_string[i]))
+ addr = (tolower (my_string[i]) - 'a' + 0xa) + (addr * 16);
+ else
+ internal_error (__FILE__, __LINE__, "invalid hex");
+ }
+ }
+ else
+ {
+ /* Assume that it is in decimal. */
+ int i;
+ for (i = 0; my_string[i] != '\0'; i++)
+ {
+ if (isdigit (my_string[i]))
+ addr = (my_string[i] - '0') + (addr * 10);
+ else
+ internal_error (__FILE__, __LINE__, "invalid decimal");
+ }
+ }
+ return addr;
+}
+
+char *
+gdb_realpath (const char *filename)
+{
+#if defined(HAVE_REALPATH)
+# if defined (PATH_MAX)
+ char buf[PATH_MAX];
+# define USE_REALPATH
+# elif defined (MAXPATHLEN)
+ char buf[MAXPATHLEN];
+# define USE_REALPATH
+# elif defined (HAVE_UNISTD_H) && defined(HAVE_ALLOCA)
+ char *buf = alloca ((size_t)pathconf ("/", _PC_PATH_MAX));
+# define USE_REALPATH
+# endif
+#endif /* HAVE_REALPATH */
+
+#if defined(USE_REALPATH)
+ char *rp = realpath (filename, buf);
+ return xstrdup (rp ? rp : filename);
+#elif defined(HAVE_CANONICALIZE_FILE_NAME)
+ char *rp = canonicalize_file_name (filename);
+ if (rp == NULL)
+ return xstrdup (filename);
+ else
+ return rp;
+#else
+ return xstrdup (filename);
+#endif
+}
+
+/* Return a copy of FILENAME, with its directory prefix canonicalized
+ by gdb_realpath. */
+
+char *
+xfullpath (const char *filename)
+{
+ const char *base_name = lbasename (filename);
+ char *dir_name;
+ char *real_path;
+ char *result;
+
+ /* Extract the basename of filename, and return immediately
+ a copy of filename if it does not contain any directory prefix. */
+ if (base_name == filename)
+ return xstrdup (filename);
+
+ dir_name = alloca ((size_t) (base_name - filename + 2));
+ /* Allocate enough space to store the dir_name + plus one extra
+ character sometimes needed under Windows (see below), and
+ then the closing \000 character */
+ strncpy (dir_name, filename, base_name - filename);
+ dir_name[base_name - filename] = '\000';
+
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ /* We need to be careful when filename is of the form 'd:foo', which
+ is equivalent of d:./foo, which is totally different from d:/foo. */
+ if (strlen (dir_name) == 2 &&
+ isalpha (dir_name[0]) && dir_name[1] == ':')
+ {
+ dir_name[2] = '.';
+ dir_name[3] = '\000';
+ }
+#endif
+
+ /* Canonicalize the directory prefix, and build the resulting
+ filename. If the dirname realpath already contains an ending
+ directory separator, avoid doubling it. */
+ real_path = gdb_realpath (dir_name);
+ if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
+ result = concat (real_path, base_name, NULL);
+ else
+ result = concat (real_path, SLASH_STRING, base_name, NULL);
+
+ xfree (real_path);
+ return result;
}