FreeChainXenon/binutils-gdb
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ChangeLog:

Browse source 
* infrun.c (handle_inferior_event): Handle presence of single-step
	breakpoints for TARGET_WAITKIND_FORKED and TARGET_WAITKIND_VFORKED.
	Cancel single-step breakpoints for TARGET_WAITKIND_EXITED,
	TARGET_WAITKIND_SIGNALED, and TARGET_WAITKIND_EXECD.
	* breakpoint.c (detach_single_step_breakpoints): New function.
	(detach_breakpoints): Call it.
	(cancel_single_step_breakpoints): New function.
	* breakpoint.h (cancel_single_step_breakpoints): Add prototype.

	* spu-tdep.c (spu_memory_remove_breakpoint): New function.
	(spu_gdbarch_init): Install it.

testsuite/ChangeLog:

	* gdb.cell/fork.exp: New file.
	* gdb.cell/fork.c: Likewise.
	* gdb.cell/fork-spu.c: Likewise.
This commit is contained in:
Ulrich Weigand 2010-06-23 12:46:37 +00:00
parent 61e8a5ea17
commit d03285ec7b
9 changed files with 315 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

39
gdb/breakpoint.c
View file

@ -196,6 +196,8 @@ static void tcatch_command (char *arg, int from_tty);
static void ep_skip_leading_whitespace (char **s);
static void detach_single_step_breakpoints (void);
static int single_step_breakpoint_inserted_here_p (struct address_space *,
CORE_ADDR pc);
@ -2383,6 +2385,10 @@ detach_breakpoints (int pid)
if (b->inserted)
val |= remove_breakpoint_1 (b, mark_inserted);
}
/* Detach single-step breakpoints as well. */
detach_single_step_breakpoints ();
do_cleanups (old_chain);
return val;
}
@ -10491,6 +10497,39 @@ remove_single_step_breakpoints (void)
}
}
/* Delete software single step breakpoints without removing them from
the inferior. This is intended to be used if the inferior's address
space where they were inserted is already gone, e.g. after exit or
exec. */
void
cancel_single_step_breakpoints (void)
{
int i;
for (i = 0; i < 2; i++)
if (single_step_breakpoints[i])
{
xfree (single_step_breakpoints[i]);
single_step_breakpoints[i] = NULL;
single_step_gdbarch[i] = NULL;
}
}
/* Detach software single-step breakpoints from INFERIOR_PTID without
removing them. */
static void
detach_single_step_breakpoints (void)
{
int i;
for (i = 0; i < 2; i++)
if (single_step_breakpoints[i])
target_remove_breakpoint (single_step_gdbarch[i],
single_step_breakpoints[i]);
}
/* Check whether a software single-step breakpoint is inserted at PC. */
static int