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NOTICE_SIGNAL_HANDLING_CHANGE macro added to the target vector as

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to_notice_signals.

* inferior.h (proc_signal_handling_change): prototype removed.
* infrun.c (NOTICE_SIGNAL_HANDLING_CHANGE): default removed.
(handle_command): now calls target_notice_signals.
* procfs.c (proc_signal_handling_change): renamed to
  procfs_notice_signals.  Now static.  Add prototype.  All callers
  changed.
* target.h (struct target_ops): new field, to_notice_signals.
(target_notice_signals): new macro to cover new field.
* target.c (cleanup_target): default to_notice_signals to ignore.
* corelow.c (core_ops),
exec.c (exec_ops),
inftarg.c (child_ops),
procfs.c (procfs_ops),
remote-adapt.c (adapt-ops),
remote-eb.c (eb_ops),
remote-es1800.c (es1800_ops, es1800_child_ops),
remote-hms.c (hms_ops),
remote-mm.c (mm_ops),
remote-nindy.c (nindy_ops),
remote-st2000.c (st2000_ops),
remote-udi.c (udi_ops),
remote-vx.c (vx_ops, vx_run_ops),
remote.c (remote_ops),
target.c (dummy_target),
xcoffexec.c (exec_ops): added static initializer for
to_notice_signals.
* xm-irix4.h, xm-sysv4.h (NOTICE_SIGNAL_HANDLING_CHANGE): removed.
This commit is contained in:
K. Richard Pixley 1992-10-06 22:54:57 +00:00
parent 8d6ae8fcc5
commit 3950a34e45
16 changed files with 92 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

47
gdb/infrun.c
View file

@ -109,7 +109,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "breakpoint.h"
#include "wait.h"
#include "gdbcore.h"
#include "command.h"
#include "gdbcmd.h"
#include "target.h"
#include <signal.h>
@ -144,6 +144,9 @@ insert_step_breakpoint PARAMS ((void));
static void
resume_cleanups PARAMS ((int));
static int
hook_stop_stub PARAMS ((char *));
/* Sigtramp is a routine that the kernel calls (which then calls the
signal handler). On most machines it is a library routine that
is linked into the executable.
@ -182,12 +185,6 @@ resume_cleanups PARAMS ((int));
#define IN_SOLIB_TRAMPOLINE(pc,name) 0
#endif
/* Notify other parts of gdb that might care that signal handling may
have changed for one or more signals. */
#ifndef NOTICE_SIGNAL_HANDLING_CHANGE
#define NOTICE_SIGNAL_HANDLING_CHANGE /* No actions */
#endif
#ifdef TDESC
#include "tdesc.h"
int safe_to_init_tdesc_context = 0;
@ -216,10 +213,14 @@ static unsigned char *signal_program;
(flags)[signum] = 0; \
} while (0)
/* Nonzero if breakpoints are now inserted in the inferior. */
/* Nonstatic for initialization during xxx_create_inferior. FIXME. */
/*static*/ int breakpoints_inserted;
/* Command list pointer for the "stop" placeholder. */
static struct cmd_list_element *stop_command;
/* Nonzero if breakpoints are now inserted in the inferior. */
static int breakpoints_inserted;
/* Function inferior was in as of last step command. */
@ -1196,6 +1197,9 @@ save_pc:
void
normal_stop ()
{
char *tem;
struct cmd_list_element *c;
/* Make sure that the current_frame's pc is correct. This
is a correction for setting up the frame info before doing
DECR_PC_AFTER_BREAK */
@ -1240,6 +1244,14 @@ Further execution is probably impossible.\n");
target_terminal_ours ();
/* Look up the hook_stop and run it if it exists. */
if (stop_command->hook)
{
catch_errors (hook_stop_stub, (char *)stop_command->hook,
"Error while running hook_stop:\n");
}
if (!target_has_stack)
return;
@ -1282,6 +1294,14 @@ Further execution is probably impossible.\n");
select_frame (get_current_frame (), 0);
}
}
static int
hook_stop_stub (cmd)
char *cmd;
{
execute_user_command ((struct cmd_list_element *)cmd, 0);
}
static void
insert_step_breakpoint ()
@ -1492,7 +1512,7 @@ handle_command (args, from_tty)
argv++;
}
NOTICE_SIGNAL_HANDLING_CHANGE;
target_notice_signals();
if (from_tty)
{
@ -1674,6 +1694,11 @@ Pass means let program see this signal; otherwise program doesn't know.\n\
Ignore is a synonym for nopass and noignore is a synonym for pass.\n\
Pass and Stop may be combined.");
stop_command = add_cmd ("stop", class_pseudo, NO_FUNCTION,
"There is no `stop' command, but you can set a hook on `stop'.\n\
This allows you to set a list of commands to be run each time execution\n\
of the inferior program stops.", &cmdlist);
numsigs = signo_max () + 1;
signal_stop = (unsigned char *)
xmalloc (sizeof (signal_stop[0]) * numsigs);