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authorVladimir Prus <vladimir@codesourcery.com>2007-09-22 19:06:59 +0000
committerVladimir Prus <vladimir@codesourcery.com>2007-09-22 19:06:59 +0000
commit511a6cd4e1e2b29e79fd05f8dd3fb95de3961ed6 (patch)
treea83fa43858795876435819b52e5e95bc26a90084 /gdb
parent4f8d1dc6a5603e96bd38b0966edee1603edcea5b (diff)
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* breakpoint.h (struct breakpoint): Move the cond field to... (struct bp_location): Here. * breakpoint.c (condition_command, bpstat_stop_status) (print_one_breakpoint, allocate_bp_location) (solib_load_unload_1, create_fork_vfork_event_catchpoint) (create_exec_event_catchpoint, create_breakpoints) (break_command_1, watch_command_1, handle_gnu_v3_exceptions) (create_ada_exception_breakpoint, set_breakpoint_sal) (delete_breakpoint, breakpoint_re_set_one): Adjust. * tui/tui-winsource.c (tui_update_breakpoint_info): Adjust.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog15
-rw-r--r--gdb/breakpoint.c58
-rw-r--r--gdb/breakpoint.h9
-rw-r--r--gdb/tui/tui-winsource.c2
4 files changed, 50 insertions, 34 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b52ef21..c3dd35e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,20 @@
2007-09-22 Vladimir Prus <vladimir@codesourcery.com>
+ gdb/
+ * breakpoint.h (struct breakpoint): Move the cond
+ field to...
+ (struct bp_location): Here.
+ * breakpoint.c (condition_command, bpstat_stop_status)
+ (print_one_breakpoint, allocate_bp_location)
+ (solib_load_unload_1, create_fork_vfork_event_catchpoint)
+ (create_exec_event_catchpoint, create_breakpoints)
+ (break_command_1, watch_command_1, handle_gnu_v3_exceptions)
+ (create_ada_exception_breakpoint, set_breakpoint_sal)
+ (delete_breakpoint, breakpoint_re_set_one): Adjust.
+ * tui/tui-winsource.c (tui_update_breakpoint_info): Adjust.
+
+2007-09-22 Vladimir Prus <vladimir@codesourcery.com>
+
Associate bp_stat with bp_location, not breakpoint.
* breakpoint.h (breakpoint_at): Change type
to bp_location*.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 92bbb02..333242a 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -569,17 +569,17 @@ condition_command (char *arg, int from_tty)
ALL_BREAKPOINTS (b)
if (b->number == bnum)
{
- if (b->cond)
+ struct bp_location *loc = b->loc;
+ if (loc->cond)
{
- xfree (b->cond);
- b->cond = 0;
+ xfree (loc->cond);
+ loc->cond = 0;
}
if (b->cond_string != NULL)
xfree (b->cond_string);
if (*p == 0)
{
- b->cond = 0;
b->cond_string = NULL;
if (from_tty)
printf_filtered (_("Breakpoint %d now unconditional.\n"), bnum);
@@ -592,7 +592,8 @@ condition_command (char *arg, int from_tty)
b->cond_string = savestring (arg, strlen (arg));
if (!b->pending)
{
- b->cond = parse_exp_1 (&arg, block_for_pc (b->loc->address), 0);
+ b->loc->cond = parse_exp_1 (&arg,
+ block_for_pc (b->loc->address), 0);
if (*arg)
error (_("Junk at end of expression"));
}
@@ -2923,19 +2924,19 @@ bpstat_stop_status (CORE_ADDR bp_addr, ptid_t ptid, int stopped_by_watchpoint)
{
int value_is_zero = 0;
- if (b->cond)
+ if (b->loc->cond)
{
/* Need to select the frame, with all that implies
so that the conditions will have the right context. */
select_frame (get_current_frame ());
value_is_zero
- = catch_errors (breakpoint_cond_eval, (b->cond),
+ = catch_errors (breakpoint_cond_eval, (b->loc->cond),
"Error in testing breakpoint condition:\n",
RETURN_MASK_ALL);
/* FIXME-someday, should give breakpoint # */
free_all_values ();
}
- if (b->cond && value_is_zero)
+ if (b->loc->cond && value_is_zero)
{
bs->stop = 0;
/* Don't consider this a hit. */
@@ -3606,14 +3607,14 @@ print_one_breakpoint (struct breakpoint *b,
ui_out_text (uiout, "\n");
}
- if (b->cond && !ada_exception_catchpoint_p (b))
+ if (b->loc->cond && !ada_exception_catchpoint_p (b))
{
/* We do not print the condition for Ada exception catchpoints
because the condition is an internal implementation detail
that we do not want to expose to the user. */
annotate_field (7);
ui_out_text (uiout, "\tstop only if ");
- print_expression (b->cond, stb->stream);
+ print_expression (b->loc->cond, stb->stream);
ui_out_field_stream (uiout, "cond", stb);
ui_out_text (uiout, "\n");
}
@@ -4085,6 +4086,7 @@ allocate_bp_location (struct breakpoint *bpt, enum bptype bp_type)
memset (loc, 0, sizeof (*loc));
loc->owner = bpt;
+ loc->cond = NULL;
switch (bp_type)
{
@@ -4604,7 +4606,6 @@ solib_load_unload_1 (char *hookname, int tempflag, char *dll_pathname,
b = set_raw_breakpoint (sals.sals[0], bp_kind);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = NULL;
b->cond_string = (cond_string == NULL) ?
NULL : savestring (cond_string, strlen (cond_string));
b->thread = thread;
@@ -4661,7 +4662,6 @@ create_fork_vfork_event_catchpoint (int tempflag, char *cond_string,
b = set_raw_breakpoint (sal, bp_kind);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = NULL;
b->cond_string = (cond_string == NULL) ?
NULL : savestring (cond_string, strlen (cond_string));
b->thread = thread;
@@ -4700,7 +4700,6 @@ create_exec_event_catchpoint (int tempflag, char *cond_string)
b = set_raw_breakpoint (sal, bp_catch_exec);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = NULL;
b->cond_string = (cond_string == NULL) ?
NULL : savestring (cond_string, strlen (cond_string));
b->thread = thread;
@@ -5033,7 +5032,7 @@ create_breakpoints (struct symtabs_and_lines sals, char **addr_string,
b = set_raw_breakpoint (sal, type);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = cond[i];
+ b->loc->cond = cond[i];
b->thread = thread;
if (addr_string[i])
b->addr_string = addr_string[i];
@@ -5056,7 +5055,7 @@ create_breakpoints (struct symtabs_and_lines sals, char **addr_string,
{
arg = pending_bp->cond_string;
b->cond_string = savestring (arg, strlen (arg));
- b->cond = parse_exp_1 (&arg, block_for_pc (b->loc->address), 0);
+ b->loc->cond = parse_exp_1 (&arg, block_for_pc (b->loc->address), 0);
if (*arg)
error (_("Junk at end of pending breakpoint condition expression"));
}
@@ -5399,7 +5398,7 @@ break_command_1 (char *arg, int flag, int from_tty, struct breakpoint *pending_b
: bp_breakpoint);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = *cond;
+ b->loc->cond = *cond;
b->thread = thread;
b->addr_string = *addr_string;
b->cond_string = *cond_string;
@@ -5792,7 +5791,7 @@ watch_command_1 (char *arg, int accessflag, int from_tty)
b->exp_valid_block = exp_valid_block;
b->exp_string = savestring (exp_start, exp_end - exp_start);
b->val = val;
- b->cond = cond;
+ b->loc->cond = cond;
if (cond_start)
b->cond_string = savestring (cond_start, cond_end - cond_start);
else
@@ -6352,7 +6351,6 @@ create_exception_catchpoint (int tempflag, char *cond_string,
b = set_raw_breakpoint (*sal, bptype);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = NULL;
b->cond_string = (cond_string == NULL) ?
NULL : savestring (cond_string, strlen (cond_string));
b->thread = thread;
@@ -6432,7 +6430,6 @@ handle_gnu_v3_exceptions (int tempflag, char *cond_string,
b = set_raw_breakpoint (sals.sals[0], bp_breakpoint);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = NULL;
b->cond_string = (cond_string == NULL) ?
NULL : savestring (cond_string, strlen (cond_string));
b->thread = -1;
@@ -6519,7 +6516,7 @@ create_ada_exception_breakpoint (struct symtab_and_line sal,
b->disposition = tempflag ? disp_del : disp_donttouch;
b->number = breakpoint_count;
b->ignore_count = 0;
- b->cond = cond;
+ b->loc->cond = cond;
b->addr_string = addr_string;
b->language = language_ada;
b->cond_string = cond_string;
@@ -6701,7 +6698,6 @@ set_breakpoint_sal (struct symtab_and_line sal)
b = set_raw_breakpoint (sal, bp_breakpoint);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->cond = 0;
b->thread = -1;
return b;
}
@@ -7021,8 +7017,6 @@ delete_breakpoint (struct breakpoint *bpt)
}
free_command_lines (&bpt->commands);
- if (bpt->cond)
- xfree (bpt->cond);
if (bpt->cond_string != NULL)
xfree (bpt->cond_string);
if (bpt->addr_string != NULL)
@@ -7062,6 +7056,8 @@ delete_breakpoint (struct breakpoint *bpt)
bp, we mark it as deleted before freeing its storage. */
bpt->type = bp_none;
+ if (bpt->loc->cond)
+ xfree (bpt->loc->cond);
xfree (bpt->loc);
xfree (bpt);
}
@@ -7215,14 +7211,14 @@ breakpoint_re_set_one (void *bint)
if (b->cond_string != NULL)
{
s = b->cond_string;
- if (b->cond)
+ if (b->loc->cond)
{
- xfree (b->cond);
+ xfree (b->loc->cond);
/* Avoid re-freeing b->exp if an error during the call
to parse_exp_1. */
- b->cond = NULL;
+ b->loc->cond = NULL;
}
- b->cond = parse_exp_1 (&s, block_for_pc (sals.sals[i].pc), 0);
+ b->loc->cond = parse_exp_1 (&s, block_for_pc (sals.sals[i].pc), 0);
}
/* We need to re-set the breakpoint if the address changes... */
@@ -7314,14 +7310,14 @@ breakpoint_re_set_one (void *bint)
if (b->cond_string != NULL)
{
s = b->cond_string;
- if (b->cond)
+ if (b->loc->cond)
{
- xfree (b->cond);
+ xfree (b->loc->cond);
/* Avoid re-freeing b->exp if an error during the call
to parse_exp_1. */
- b->cond = NULL;
+ b->loc->cond = NULL;
}
- b->cond = parse_exp_1 (&s, (struct block *) 0, 0);
+ b->loc->cond = parse_exp_1 (&s, (struct block *) 0, 0);
}
if (breakpoint_enabled (b))
mention (b);
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 7679cb0..dc36ac7 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -243,6 +243,13 @@ struct bp_location
than reference counting. */
struct breakpoint *owner;
+ /* Conditional. Break only if this expression's value is nonzero.
+ Unlike string form of condition, which is associated with breakpoint,
+ this is associated with location, since if breakpoint has several
+ locations, the evaluation of expression can be different for
+ different locations. */
+ struct expression *cond;
+
/* Nonzero if this breakpoint is now inserted. */
char inserted;
@@ -341,8 +348,6 @@ struct breakpoint
/* Stack depth (address of frame). If nonzero, break only if fp
equals this. */
struct frame_id frame_id;
- /* Conditional. Break only if this expression's value is nonzero. */
- struct expression *cond;
/* String we used to set the breakpoint (malloc'd). */
char *addr_string;
diff --git a/gdb/tui/tui-winsource.c b/gdb/tui/tui-winsource.c
index ce8bedf..2b640e3 100644
--- a/gdb/tui/tui-winsource.c
+++ b/gdb/tui/tui-winsource.c
@@ -449,7 +449,7 @@ tui_update_breakpoint_info (struct tui_win_info *win,
mode |= TUI_BP_ENABLED;
if (bp->hit_count)
mode |= TUI_BP_HIT;
- if (bp->cond)
+ if (bp->loc->cond)
mode |= TUI_BP_CONDITIONAL;
if (bp->type == bp_hardware_breakpoint)
mode |= TUI_BP_HARDWARE;