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* breakpoint.c (bpstat_stop_status): Add new argument

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STOPPED_BY_WATCHPOINT.  Use it instead of testing
	target_stopped_data_address agaist 0 to check whether
	or not we stopped due to a hardware watchpoint.
	* breakpoint.h (bpstat_stop_status): Adapt prototype.
	* infrun.c (handle_inferior_event): Call bpstat_stop_status
	with new argument.
This commit is contained in:
Ulrich Weigand 2004-05-13 16:39:11 +00:00
parent 336b9722b8
commit 00d4360e1c
4 changed files with 22 additions and 8 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2004-05-13 Ulrich Weigand <uweigand@de.ibm.com>
* breakpoint.c (bpstat_stop_status): Add new argument
STOPPED_BY_WATCHPOINT. Use it instead of testing
target_stopped_data_address agaist 0 to check whether
or not we stopped due to a hardware watchpoint.
* breakpoint.h (bpstat_stop_status): Adapt prototype.
* infrun.c (handle_inferior_event): Call bpstat_stop_status
with new argument.
2004-05-12 Jim Blandy <jimb@redhat.com>
* configure.in: When checking whether we should use the -bbigtoc

7
gdb/breakpoint.c
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@ -2559,7 +2559,8 @@ which its expression is valid.\n");
}
/* Get a bpstat associated with having just stopped at address
BP_ADDR. */
BP_ADDR in thread PTID. STOPPED_BY_WATCHPOINT is true if the
target thinks we stopped due to a hardware watchpoint. */
/* Determine whether we stopped at a breakpoint, etc, or whether we
don't understand this stop. Result is a chain of bpstat's such that:
@ -2576,7 +2577,7 @@ which its expression is valid.\n");
commands, FIXME??? fields. */
bpstat
bpstat_stop_status (CORE_ADDR bp_addr, ptid_t ptid)
bpstat_stop_status (CORE_ADDR bp_addr, ptid_t ptid, int stopped_by_watchpoint)
{
struct breakpoint *b, *temp;
/* True if we've hit a breakpoint (as opposed to a watchpoint). */
@ -2600,7 +2601,7 @@ bpstat_stop_status (CORE_ADDR bp_addr, ptid_t ptid)
&& !((b->type == bp_hardware_watchpoint
|| b->type == bp_read_watchpoint
|| b->type == bp_access_watchpoint)
&& target_stopped_data_address () != 0)
&& stopped_by_watchpoint)
&& b->type != bp_hardware_breakpoint
&& b->type != bp_catch_fork
&& b->type != bp_catch_vfork

3
gdb/breakpoint.h
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@ -414,7 +414,8 @@ extern void bpstat_clear (bpstat *);
is part of the bpstat is copied as well. */
extern bpstat bpstat_copy (bpstat);
extern bpstat bpstat_stop_status (CORE_ADDR pc, ptid_t ptid);
extern bpstat bpstat_stop_status (CORE_ADDR pc, ptid_t ptid,
int stopped_by_watchpoint);
/* This bpstat_what stuff tells wait_for_inferior what to do with a
breakpoint (a challenging task). */

10
gdb/infrun.c
View File

@ -1356,6 +1356,7 @@ handle_inferior_event (struct execution_control_state *ecs)
defined in the file "config/pa/nm-hppah.h", accesses the variable
indirectly. Mutter something rude about the HP merge. */
int sw_single_step_trap_p = 0;
int stopped_by_watchpoint = 0;
/* Cache the last pid/waitstatus. */
target_last_wait_ptid = ecs->ptid;
@ -1545,7 +1546,7 @@ handle_inferior_event (struct execution_control_state *ecs)
stop_pc = read_pc ();
stop_bpstat = bpstat_stop_status (stop_pc, ecs->ptid);
stop_bpstat = bpstat_stop_status (stop_pc, ecs->ptid, 0);
ecs->random_signal = !bpstat_explains_signal (stop_bpstat);
@ -1594,7 +1595,7 @@ handle_inferior_event (struct execution_control_state *ecs)
ecs->saved_inferior_ptid = inferior_ptid;
inferior_ptid = ecs->ptid;
stop_bpstat = bpstat_stop_status (stop_pc, ecs->ptid);
stop_bpstat = bpstat_stop_status (stop_pc, ecs->ptid, 0);
ecs->random_signal = !bpstat_explains_signal (stop_bpstat);
inferior_ptid = ecs->saved_inferior_ptid;
@ -1910,7 +1911,7 @@ handle_inferior_event (struct execution_control_state *ecs)
/* It may be possible to simply continue after a watchpoint. */
if (HAVE_CONTINUABLE_WATCHPOINT)
STOPPED_BY_WATCHPOINT (ecs->ws);
stopped_by_watchpoint = STOPPED_BY_WATCHPOINT (ecs->ws);
ecs->stop_func_start = 0;
ecs->stop_func_end = 0;
@ -1990,7 +1991,8 @@ handle_inferior_event (struct execution_control_state *ecs)
else
{
/* See if there is a breakpoint at the current PC. */
stop_bpstat = bpstat_stop_status (stop_pc, ecs->ptid);
stop_bpstat = bpstat_stop_status (stop_pc, ecs->ptid,
stopped_by_watchpoint);
/* Following in case break condition called a
function. */