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

gdb/

Browse source 
* ia64-linux-nat.c (ia64_linux_status_is_event): New function.
	(_initialize_ia64_linux_nat): Install it.
	* linux-nat.c (sigtrap_is_event, linux_nat_status_is_event)
	(linux_nat_set_status_is_event): New.
	(stop_wait_callback, count_events_callback, select_event_lwp_callback)
	cancel_breakpoints_callback, linux_nat_filter_event)
	(linux_nat_wait_1): Use linux_nat_status_is_event.
	* linux-nat.h (linux_nat_set_status_is_event): New prototype.

gdb/testsuite/
	* gdb.threads/ia64-sigill.exp: New file.
	* gdb.threads/ia64-sigill.c: New file.
This commit is contained in:
Jan Kratochvil 2010-07-27 20:51:40 +00:00
parent 283e6a52fc
commit 26ab7092a2
7 changed files with 499 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

37
gdb/linux-nat.c
View file

@ -2605,6 +2605,29 @@ linux_nat_stopped_data_address (struct target_ops *ops, CORE_ADDR *addr_p)
return lp->stopped_data_address_p;
}
/* Commonly any breakpoint / watchpoint generate only SIGTRAP. */
static int
sigtrap_is_event (int status)
{
return WIFSTOPPED (status) && WSTOPSIG (status) == SIGTRAP;
}
/* SIGTRAP-like events recognizer. */
static int (*linux_nat_status_is_event) (int status) = sigtrap_is_event;
/* Set alternative SIGTRAP-like events recognizer. If
breakpoint_inserted_here_p there then gdbarch_decr_pc_after_break will be
applied. */
void
linux_nat_set_status_is_event (struct target_ops *t,
int (*status_is_event) (int status))
{
linux_nat_status_is_event = status_is_event;
}
/* Wait until LP is stopped. */
static int
@ -2645,7 +2668,7 @@ stop_wait_callback (struct lwp_info *lp, void *data)
if (WSTOPSIG (status) != SIGSTOP)
{
if (WSTOPSIG (status) == SIGTRAP)
if (linux_nat_status_is_event (status))
{
/* If a LWP other than the LWP that we're reporting an
event for has hit a GDB breakpoint (as opposed to
@ -2801,7 +2824,7 @@ count_events_callback (struct lwp_info *lp, void *data)
/* Count only resumed LWPs that have a SIGTRAP event pending. */
if (lp->status != 0 && lp->resumed
&& WIFSTOPPED (lp->status) && WSTOPSIG (lp->status) == SIGTRAP)
&& linux_nat_status_is_event (lp->status))
(*count)++;
return 0;
@ -2829,7 +2852,7 @@ select_event_lwp_callback (struct lwp_info *lp, void *data)
/* Select only resumed LWPs that have a SIGTRAP event pending. */
if (lp->status != 0 && lp->resumed
&& WIFSTOPPED (lp->status) && WSTOPSIG (lp->status) == SIGTRAP)
&& linux_nat_status_is_event (lp->status))
if ((*selector)-- == 0)
return 1;
@ -2891,7 +2914,7 @@ cancel_breakpoints_callback (struct lwp_info *lp, void *data)
if (lp->waitstatus.kind == TARGET_WAITKIND_IGNORE
&& lp->status != 0
&& WIFSTOPPED (lp->status) && WSTOPSIG (lp->status) == SIGTRAP
&& linux_nat_status_is_event (lp->status)
&& cancel_breakpoint (lp))
/* Throw away the SIGTRAP. */
lp->status = 0;
@ -3064,7 +3087,7 @@ linux_nat_filter_event (int lwpid, int status, int options)
return NULL;
}
if (WIFSTOPPED (status) && WSTOPSIG (status) == SIGTRAP)
if (linux_nat_status_is_event (status))
{
/* Save the trap's siginfo in case we need it later. */
save_siginfo (lp);
@ -3411,7 +3434,7 @@ retry:
threads. */
if (non_stop
&& lp->waitstatus.kind == TARGET_WAITKIND_IGNORE
&& WSTOPSIG (lp->status) == SIGTRAP
&& linux_nat_status_is_event (lp->status)
&& cancel_breakpoint (lp))
{
/* Throw away the SIGTRAP. */
@ -3627,7 +3650,7 @@ retry:
else
lp->resumed = 0;
if (WIFSTOPPED (status) && WSTOPSIG (status) == SIGTRAP)
if (linux_nat_status_is_event (status))
{
if (debug_linux_nat)
fprintf_unfiltered (gdb_stdlog,