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Thu Jul 25 19:41:31 1996  Fred Fish  <fnf@cygnus.com>

for a rather huge set of changes.  I was going to put them here, but it
made cvs dump core.  :-(
This commit is contained in:
Fred Fish
1996-07-26 03:01:51 +00:00
parent dc88c64e2c
commit b607efe714
74 changed files with 1457 additions and 363 deletions
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42
gdb/infrun.c
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@@ -55,6 +55,8 @@ static void resume_cleanups PARAMS ((int));
static int hook_stop_stub PARAMS ((char *));
static void delete_breakpoint_current_contents PARAMS ((PTR));
/* GET_LONGJMP_TARGET returns the PC at which longjmp() will resume the
program. It needs to examine the jmp_buf argument and extract the PC
from it. The return value is non-zero on success, zero otherwise. */
@@ -151,9 +153,11 @@ static struct symbol *step_start_function;
static int trap_expected;
#ifdef SOLIB_ADD
/* Nonzero if we want to give control to the user when we're notified
of shared library events by the dynamic linker. */
static int stop_on_solib_events;
#endif
#ifdef HP_OS_BUG
/* Nonzero if the next time we try to continue the inferior, it will
@@ -195,13 +199,6 @@ static int breakpoints_failed;
static int stop_print_frame;
#ifdef NO_SINGLE_STEP
extern int one_stepped; /* From machine dependent code */
extern void single_step (); /* Same. */
#endif /* NO_SINGLE_STEP */
extern void write_pc_pid PARAMS ((CORE_ADDR, int));
/* Things to clean up if we QUIT out of resume (). */
/* ARGSUSED */
@@ -455,7 +452,7 @@ wait_for_inferior ()
struct cleanup *old_cleanups;
struct target_waitstatus w;
int another_trap;
int random_signal;
int random_signal = 0;
CORE_ADDR stop_func_start;
CORE_ADDR stop_func_end;
char *stop_func_name;
@@ -1063,8 +1060,8 @@ wait_for_inferior ()
another_trap = 1;
break;
#ifdef SOLIB_ADD
case BPSTAT_WHAT_CHECK_SHLIBS:
#ifdef SOLIB_ADD
{
extern int auto_solib_add;
@@ -1104,6 +1101,7 @@ wait_for_inferior ()
}
}
#endif
break;
case BPSTAT_WHAT_LAST:
/* Not a real code, but listed here to shut up gcc -Wall. */
@@ -1187,7 +1185,8 @@ wait_for_inferior ()
/* Did we just take a signal? */
if (IN_SIGTRAMP (stop_pc, stop_func_name)
&& !IN_SIGTRAMP (prev_pc, prev_func_name))
&& !IN_SIGTRAMP (prev_pc, prev_func_name)
&& read_sp () INNER_THAN step_sp)
{
/* We've just taken a signal; go until we are back to
the point where we took it and one more. */
@@ -1251,16 +1250,17 @@ wait_for_inferior ()
SKIP_PROLOGUE (prologue_pc);
}
if ((/* Might be a non-recursive call. If the symbols are missing
enough that stop_func_start == prev_func_start even though
they are really two functions, we will treat some calls as
jumps. */
stop_func_start != prev_func_start
if (!(step_sp INNER_THAN read_sp ()) /* don't mistake (sig)return as a call */
&& (/* Might be a non-recursive call. If the symbols are missing
enough that stop_func_start == prev_func_start even though
they are really two functions, we will treat some calls as
jumps. */
stop_func_start != prev_func_start
/* Might be a recursive call if either we have a prologue
or the call instruction itself saves the PC on the stack. */
|| prologue_pc != stop_func_start
|| read_sp () != step_sp)
/* Might be a recursive call if either we have a prologue
or the call instruction itself saves the PC on the stack. */
|| prologue_pc != stop_func_start
|| read_sp () != step_sp)
&& (/* PC is completely out of bounds of any known objfiles. Treat
like a subroutine call. */
! stop_func_start
@@ -1519,12 +1519,14 @@ step_into_function:
}
step_range_start = sal.pc;
step_range_end = sal.end;
step_frame_address = FRAME_FP (get_current_frame ());
goto keep_going;
check_sigtramp2:
if (trap_expected
&& IN_SIGTRAMP (stop_pc, stop_func_name)
&& !IN_SIGTRAMP (prev_pc, prev_func_name))
&& !IN_SIGTRAMP (prev_pc, prev_func_name)
&& read_sp () INNER_THAN step_sp)
{
/* What has happened here is that we have just stepped the inferior
with a signal (because it is a signal which shouldn't make