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* infrun.c: Fix prototype of signals_info to match static funtion.

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This commit is contained in:
Dawn Perchik 1998-04-04 18:06:55 +00:00
parent 278bda4050
commit 24a385253d
2 changed files with 80 additions and 19 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
Sat Apr 4 10:05:00 1998 Dawn Perchik <dawn@cygnus.com>
* infrun.c: Fix prototype of signals_info to match static funtion.
Thu Apr 2 12:47:41 1998 Frank Ch. Eigler <fche@cygnus.com>
* sol-thread.c (sol_thread_store_registers): Save & restore new
value of single updated register to prevent accidental clobbering.
Wed Apr 1 22:01:09 1998 Mark Alexander <marka@cygnus.com>
* config/sparc/tm-sparclite.h (TARGET_BYTE_ORDER_SELECTABLE): Define.

92
gdb/infrun.c
View File

@ -1,6 +1,6 @@
/* Target-struct-independent code to start (run) and stop an inferior process.
Copyright 1986, 1987, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996
Free Software Foundation, Inc.
Copyright 1986, 1987, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
1998 Free Software Foundation, Inc.
This file is part of GDB.
@ -31,6 +31,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "target.h"
#include "gdbthread.h"
#include "annotate.h"
#include "symfile.h" /* for overlay functions */
#include <signal.h>
@ -82,6 +83,15 @@ static void delete_breakpoint_current_contents PARAMS ((PTR));
#define DYNAMIC_TRAMPOLINE_NEXTPC(pc) 0
#endif
/* On SVR4 based systems, determining the callee's address is exceedingly
difficult and depends on the implementation of the run time loader.
If we are stepping at the source level, we single step until we exit
the run time loader code and reach the callee's address. */
#ifndef IN_SOLIB_DYNSYM_RESOLVE_CODE
#define IN_SOLIB_DYNSYM_RESOLVE_CODE(pc) 0
#endif
/* For SVR4 shared libraries, each call goes through a small piece of
trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
to nonzero if we are current stopped in one of these. */
@ -489,6 +499,10 @@ wait_for_inferior ()
while (1)
{
extern int overlay_cache_invalid; /* declared in symfile.h */
overlay_cache_invalid = 1;
/* We have to invalidate the registers BEFORE calling target_wait because
they can be loaded from the target while in target_wait. This makes
remote debugging a bit more efficient for those targets that provide
@ -512,11 +526,12 @@ wait_for_inferior ()
/* If it's a new process, add it to the thread database */
if (pid != inferior_pid
if (w.kind != TARGET_WAITKIND_EXITED
&& pid != inferior_pid
&& !in_thread_list (pid))
{
fprintf_unfiltered (gdb_stderr, "[New %s]\n", target_pid_to_str (pid));
add_thread (pid);
printf_filtered ("[New %s]\n", target_pid_to_str (pid));
/* We may want to consider not doing a resume here in order to give
the user a chance to play with the new thread. It might be good
@ -533,12 +548,35 @@ wait_for_inferior ()
switch (w.kind)
{
case TARGET_WAITKIND_LOADED:
/* Ignore it gracefully. */
if (breakpoints_inserted)
/* Ignore gracefully during startup of the inferior, as it
might be the shell which has just loaded some objects,
otherwise add the symbols for the newly loaded objects. */
#ifdef SOLIB_ADD
if (!stop_soon_quietly)
{
mark_breakpoints_out ();
insert_breakpoints ();
extern int auto_solib_add;
/* Remove breakpoints, SOLIB_ADD might adjust
breakpoint addresses via breakpoint_re_set. */
if (breakpoints_inserted)
remove_breakpoints ();
/* Check for any newly added shared libraries if we're
supposed to be adding them automatically. */
if (auto_solib_add)
{
/* Switch terminal for any messages produced by
breakpoint_re_set. */
target_terminal_ours_for_output ();
SOLIB_ADD (NULL, 0, NULL);
target_terminal_inferior ();
}
/* Reinsert breakpoints and continue. */
if (breakpoints_inserted)
insert_breakpoints ();
}
#endif
resume (0, TARGET_SIGNAL_0);
continue;
@ -710,7 +748,6 @@ wait_for_inferior ()
&step_frame_address, &handling_longjmp,
&another_trap);
printf_filtered ("[Switching to %s]\n", target_pid_to_str (pid));
flush_cached_frames ();
}
@ -778,6 +815,7 @@ wait_for_inferior ()
write_pc (stop_pc - DECR_PC_AFTER_BREAK);
remove_breakpoints ();
registers_changed();
target_resume (pid, 1, TARGET_SIGNAL_0); /* Single step */
if (target_wait_hook)
@ -1181,6 +1219,13 @@ wait_for_inferior ()
/* We stepped out of the stepping range. */
/* If we are stepping at the source level and entered the runtime
loader dynamic symbol resolution code, we keep on single stepping
until we exit the run time loader code and reach the callee's
address. */
if (step_over_calls < 0 && IN_SOLIB_DYNSYM_RESOLVE_CODE (stop_pc))
goto keep_going;
/* We can't update step_sp every time through the loop, because
reading the stack pointer would slow down stepping too much.
But we can update it every time we leave the step range. */
@ -1207,7 +1252,8 @@ wait_for_inferior ()
struct symtab_and_line sr_sal;
INIT_SAL (&sr_sal); /* initialize to zeroes */
sr_sal.pc = prev_pc;
sr_sal.pc = prev_pc;
sr_sal.section = find_pc_overlay (sr_sal.pc);
/* We could probably be setting the frame to
step_frame_address; I don't think anyone thought to try it. */
step_resume_breakpoint =
@ -1343,7 +1389,8 @@ wait_for_inferior ()
/* Why isn't this s_a_l called "sr_sal", like all of the
other s_a_l's where this code is duplicated? */
INIT_SAL (&xxx); /* initialize to zeroes */
xxx.pc = tmp;
xxx.pc = tmp;
xxx.section = find_pc_overlay (xxx.pc);
step_resume_breakpoint =
set_momentary_breakpoint (xxx, NULL, bp_step_resume);
insert_breakpoints ();
@ -1373,12 +1420,13 @@ wait_for_inferior ()
INIT_SAL (&sr_sal); /* initialize to zeroes */
sr_sal.pc =
ADDR_BITS_REMOVE
(SAVED_PC_AFTER_CALL (get_current_frame ()));
ADDR_BITS_REMOVE (SAVED_PC_AFTER_CALL (get_current_frame ()));
sr_sal.section = find_pc_overlay (sr_sal.pc);
step_resume_breakpoint =
set_momentary_breakpoint (sr_sal, get_current_frame (),
bp_step_resume);
step_resume_breakpoint->frame = step_frame_address;
if (!IN_SOLIB_DYNSYM_RESOLVE_CODE (sr_sal.pc))
step_resume_breakpoint->frame = step_frame_address;
if (breakpoints_inserted)
insert_breakpoints ();
}
@ -1421,7 +1469,8 @@ wait_for_inferior ()
struct symtab_and_line sr_sal;
INIT_SAL (&sr_sal); /* initialize to zeroes */
sr_sal.pc = stop_func_start;
sr_sal.pc = stop_func_start;
sr_sal.section = find_pc_overlay (stop_func_start);
/* Do not specify what the fp should be when we stop
since on some machines the prologue
is where the new fp value is established. */
@ -1464,7 +1513,8 @@ wait_for_inferior ()
struct symtab_and_line sr_sal;
INIT_SAL (&sr_sal); /* initialize to zeroes */
sr_sal.pc = tmp;
sr_sal.pc = tmp;
sr_sal.section = find_pc_overlay (sr_sal.pc);
/* Do not specify what the fp should be when we stop
since on some machines the prologue
is where the new fp value is established. */
@ -1543,7 +1593,8 @@ wait_for_inferior ()
struct symtab_and_line sr_sal;
INIT_SAL (&sr_sal); /* initialize to zeroes */
sr_sal.pc = prev_pc;
sr_sal.pc = prev_pc;
sr_sal.section = find_pc_overlay (sr_sal.pc);
/* We perhaps could set the frame if we kept track of what
the frame corresponding to prev_pc was. But we don't,
so don't. */
@ -1803,9 +1854,12 @@ sig_print_info (oursig)
enum target_signal oursig;
{
char *name = target_signal_to_name (oursig);
int name_padding = 13 - strlen (name);
if (name_padding <= 0)
name_padding = 0;
printf_filtered ("%s", name);
printf_filtered ("%*.*s ", 13 - strlen (name), 13 - strlen (name),
" ");
printf_filtered ("%*.*s ", name_padding, name_padding, " ");
printf_filtered ("%s\t", signal_stop[oursig] ? "Yes" : "No");
printf_filtered ("%s\t", signal_print[oursig] ? "Yes" : "No");
printf_filtered ("%s\t\t", signal_program[oursig] ? "Yes" : "No");