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* linux-low.c (linux_wait_for_event): Update messages. Do not

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reinsert auto-delete breakpoints.
	* mem-break.c (struct breakpoint): Change return type of handler to
	int.
	(set_breakpoint_at): Update handler type.
	(reinsert_breakpoint_handler): Return 1 instead of calling
	delete_breakpoint.
	(reinsert_breakpoint_by_bp): Check for the original breakpoint before
	setting a new one.
	(check_breakpoints): Delete auto-delete breakpoints and return 2.
	* mem-break.h (set_breakpoint_at): Update handler type.
	* thread-db.c (thread_db_create_event, thread_db_create_event): Update.
	* win32-low.c (auto_delete_breakpoint): New.
	(get_child_debug_event): Use it.
This commit is contained in:
Daniel Jacobowitz
2007-12-18 21:58:01 +00:00
parent 0205c1752c
commit b65d95c576
6 changed files with 65 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
gdb/gdbserver/mem-break.c
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@@ -39,14 +39,16 @@ struct breakpoint
in the *next chain somewhere). */
struct breakpoint *breakpoint_to_reinsert;
/* Function to call when we hit this breakpoint. */
void (*handler) (CORE_ADDR);
/* Function to call when we hit this breakpoint. If it returns 1,
the breakpoint will be deleted; 0, it will be reinserted for
another round. */
int (*handler) (CORE_ADDR);
};
struct breakpoint *breakpoints;
void
set_breakpoint_at (CORE_ADDR where, void (*handler) (CORE_ADDR))
set_breakpoint_at (CORE_ADDR where, int (*handler) (CORE_ADDR))
{
struct breakpoint *bp;
@@ -119,7 +121,7 @@ delete_breakpoint_at (CORE_ADDR addr)
delete_breakpoint (bp);
}
static void
static int
reinsert_breakpoint_handler (CORE_ADDR stop_pc)
{
struct breakpoint *stop_bp, *orig_bp;
@@ -135,7 +137,7 @@ reinsert_breakpoint_handler (CORE_ADDR stop_pc)
(*the_target->write_memory) (orig_bp->pc, breakpoint_data,
breakpoint_len);
orig_bp->reinserting = 0;
delete_breakpoint (stop_bp);
return 1;
}
void
@@ -143,12 +145,12 @@ reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at)
{
struct breakpoint *bp, *orig_bp;
set_breakpoint_at (stop_at, reinsert_breakpoint_handler);
orig_bp = find_breakpoint_at (stop_pc);
if (orig_bp == NULL)
error ("Could not find original breakpoint in list.");
set_breakpoint_at (stop_at, reinsert_breakpoint_handler);
bp = find_breakpoint_at (stop_at);
if (bp == NULL)
error ("Could not find breakpoint in list (reinserting by breakpoint).");
@@ -203,8 +205,13 @@ check_breakpoints (CORE_ADDR stop_pc)
return 0;
}
(*bp->handler) (bp->pc);
return 1;
if ((*bp->handler) (bp->pc))
{
delete_breakpoint (bp);
return 2;
}
else
return 1;
}
void