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Change breakpoint event locations to event_location_up 

This is a follow-up to an earlier patch.  It changes breakpoint's
location and location_range_end members to be of type
event_location_up, then fixes up the users.

gdb/ChangeLog
2017-04-12  Tom Tromey  <tom@tromey.com>

	* remote.c (remote_download_tracepoint): Update.
	* python/py-breakpoint.c (bppy_get_location): Update.
	* guile/scm-breakpoint.c (bpscm_print_breakpoint_smob)
	(gdbscm_breakpoint_location): Update.
	* elfread.c (elf_gnu_ifunc_resolver_return_stop): Update.
	* breakpoint.h (struct breakpoint) <location, location_range_end>:
	Change type to event_location_up.
	* breakpoint.c (create_overlay_event_breakpoint)
	(create_longjmp_master_breakpoint)
	(create_std_terminate_master_breakpoint)
	(create_exception_master_breakpoint)
	(breakpoint_event_location_empty_p, print_breakpoint_location)
	(print_one_breakpoint_location, create_thread_event_breakpoint)
	(init_breakpoint_sal, create_breakpoint)
	(print_recreate_ranged_breakpoint, break_range_command)
	(init_ada_exception_breakpoint, say_where): Update.
	(base_breakpoint_dtor): Don't call delete_event_location.
	(bkpt_print_recreate, tracepoint_print_recreate)
	(dprintf_print_recreate, update_static_tracepoint)
	(breakpoint_re_set_default): Update.
This commit is contained in:
Tom Tromey 2017-04-10 15:41:25 -06:00
parent 711799d513
commit d28cd78ad8
7 changed files with 68 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
gdb/ChangeLog
View File

@ -1,3 +1,26 @@
2017-04-12 Tom Tromey <tom@tromey.com>
* remote.c (remote_download_tracepoint): Update.
* python/py-breakpoint.c (bppy_get_location): Update.
* guile/scm-breakpoint.c (bpscm_print_breakpoint_smob)
(gdbscm_breakpoint_location): Update.
* elfread.c (elf_gnu_ifunc_resolver_return_stop): Update.
* breakpoint.h (struct breakpoint) <location, location_range_end>:
Change type to event_location_up.
* breakpoint.c (create_overlay_event_breakpoint)
(create_longjmp_master_breakpoint)
(create_std_terminate_master_breakpoint)
(create_exception_master_breakpoint)
(breakpoint_event_location_empty_p, print_breakpoint_location)
(print_one_breakpoint_location, create_thread_event_breakpoint)
(init_breakpoint_sal, create_breakpoint)
(print_recreate_ranged_breakpoint, break_range_command)
(init_ada_exception_breakpoint, say_where): Update.
(base_breakpoint_dtor): Don't call delete_event_location.
(bkpt_print_recreate, tracepoint_print_recreate)
(dprintf_print_recreate, update_static_tracepoint)
(breakpoint_re_set_default): Update.
2017-04-12 Tom Tromey <tom@tromey.com>
* compile/compile-loc2c.c (compute_stack_depth_worker): Change

74
gdb/breakpoint.c
View File

@ -67,7 +67,6 @@
#include "dummy-frame.h"
#include "interps.h"
#include "format.h"
#include "location.h"
#include "thread-fsm.h"
#include "tid-parse.h"
@ -3472,7 +3471,7 @@ create_overlay_event_breakpoint (void)
&internal_breakpoint_ops);
initialize_explicit_location (&explicit_loc);
explicit_loc.function_name = ASTRDUP (func_name);
b->location = new_explicit_location (&explicit_loc).release ();
b->location = new_explicit_location (&explicit_loc);
if (overlay_debugging == ovly_auto)
{
@ -3552,8 +3551,7 @@ create_longjmp_master_breakpoint (void)
objfile),
bp_longjmp_master,
&internal_breakpoint_ops);
b->location
= new_probe_location ("-probe-stap libc:longjmp").release ();
b->location = new_probe_location ("-probe-stap libc:longjmp");
b->enable_state = bp_disabled;
}
@ -3593,7 +3591,7 @@ create_longjmp_master_breakpoint (void)
&internal_breakpoint_ops);
initialize_explicit_location (&explicit_loc);
explicit_loc.function_name = ASTRDUP (func_name);
b->location = new_explicit_location (&explicit_loc).release ();
b->location = new_explicit_location (&explicit_loc);
b->enable_state = bp_disabled;
}
}
@ -3651,7 +3649,7 @@ create_std_terminate_master_breakpoint (void)
&internal_breakpoint_ops);
initialize_explicit_location (&explicit_loc);
explicit_loc.function_name = ASTRDUP (func_name);
b->location = new_explicit_location (&explicit_loc).release ();
b->location = new_explicit_location (&explicit_loc);
b->enable_state = bp_disabled;
}
}
@ -3720,8 +3718,7 @@ create_exception_master_breakpoint (void)
objfile),
bp_exception_master,
&internal_breakpoint_ops);
b->location
= new_probe_location ("-probe-stap libgcc:unwind").release ();
b->location = new_probe_location ("-probe-stap libgcc:unwind");
b->enable_state = bp_disabled;
}
@ -3756,7 +3753,7 @@ create_exception_master_breakpoint (void)
&internal_breakpoint_ops);
initialize_explicit_location (&explicit_loc);
explicit_loc.function_name = ASTRDUP (func_name);
b->location = new_explicit_location (&explicit_loc).release ();
b->location = new_explicit_location (&explicit_loc);
b->enable_state = bp_disabled;
}
}
@ -3766,7 +3763,7 @@ create_exception_master_breakpoint (void)
static int
breakpoint_event_location_empty_p (const struct breakpoint *b)
{
return b->location != NULL && event_location_empty_p (b->location);
return b->location != NULL && event_location_empty_p (b->location.get ());
}
void
@ -6150,7 +6147,7 @@ print_breakpoint_location (struct breakpoint *b,
set_current_program_space (loc->pspace);
if (b->display_canonical)
uiout->field_string ("what", event_location_to_string (b->location));
uiout->field_string ("what", event_location_to_string (b->location.get ()));
else if (loc && loc->symtab)
{
struct symbol *sym
@ -6182,7 +6179,8 @@ print_breakpoint_location (struct breakpoint *b,
}
else
{
uiout->field_string ("pending", event_location_to_string (b->location));
uiout->field_string ("pending",
event_location_to_string (b->location.get ()));
/* If extra_string is available, it could be holding a condition
or dprintf arguments. In either case, make sure it is printed,
too, but only for non-MI streams. */
@ -6670,9 +6668,9 @@ print_one_breakpoint_location (struct breakpoint *b,
uiout->field_string ("original-location", w->exp_string);
}
else if (b->location != NULL
&& event_location_to_string (b->location) != NULL)
&& event_location_to_string (b->location.get ()) != NULL)
uiout->field_string ("original-location",
event_location_to_string (b->location));
event_location_to_string (b->location.get ()));
}
}
@ -7796,7 +7794,7 @@ create_thread_event_breakpoint (struct gdbarch *gdbarch, CORE_ADDR address)
b->enable_state = bp_enabled;
/* location has to be used or breakpoint_re_set will delete me. */
b->location = new_address_location (b->loc->address, NULL, 0).release ();
b->location = new_address_location (b->loc->address, NULL, 0);
update_global_location_list_nothrow (UGLL_MAY_INSERT);
@ -9285,7 +9283,8 @@ init_breakpoint_sal (struct breakpoint *b, struct gdbarch *gdbarch,
{
/* We already know the marker exists, otherwise, we
wouldn't see a sal for it. */
const char *p = &event_location_to_string (b->location)[3];
const char *p
= &event_location_to_string (b->location.get ())[3];
const char *endp;
char *marker_str;
@ -9348,9 +9347,9 @@ init_breakpoint_sal (struct breakpoint *b, struct gdbarch *gdbarch,
b->display_canonical = display_canonical;
if (location != NULL)
b->location = location.release ();
b->location = std::move (location);
else
b->location = new_address_location (b->loc->address, NULL, 0).release ();
b->location = new_address_location (b->loc->address, NULL, 0);
b->filter = filter;
}
@ -9879,7 +9878,7 @@ create_breakpoint (struct gdbarch *gdbarch,
b = new breakpoint ();
init_raw_breakpoint_without_location (b, gdbarch, type_wanted, ops);
b->location = copy_event_location (location).release ();
b->location = copy_event_location (location);
if (parse_extra)
b->cond_string = NULL;
@ -10305,8 +10304,8 @@ static void
print_recreate_ranged_breakpoint (struct breakpoint *b, struct ui_file *fp)
{
fprintf_unfiltered (fp, "break-range %s, %s",
event_location_to_string (b->location),
event_location_to_string (b->location_range_end));
event_location_to_string (b->location.get ()),
event_location_to_string (b->location_range_end.get ()));
print_recreate_thread (b, fp);
}
@ -10452,8 +10451,8 @@ break_range_command (char *arg, int from_tty)
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
b->disposition = disp_donttouch;
b->location = start_location.release ();
b->location_range_end = end_location.release ();
b->location = std::move (start_location);
b->location_range_end = std::move (end_location);
b->loc->length = length;
do_cleanups (cleanup_bkpt);
@ -11899,9 +11898,8 @@ init_ada_exception_breakpoint (struct breakpoint *b,
b->enable_state = enabled ? bp_enabled : bp_disabled;
b->disposition = tempflag ? disp_del : disp_donttouch;
b->location
= string_to_event_location (&addr_string,
language_def (language_ada)).release ();
b->location = string_to_event_location (&addr_string,
language_def (language_ada));
b->language = language_ada;
}
@ -12769,18 +12767,18 @@ say_where (struct breakpoint *b)
if (b->extra_string == NULL)
{
printf_filtered (_(" (%s) pending."),
event_location_to_string (b->location));
event_location_to_string (b->location.get ()));
}
else if (b->type == bp_dprintf)
{
printf_filtered (_(" (%s,%s) pending."),
event_location_to_string (b->location),
event_location_to_string (b->location.get ()),
b->extra_string);
}
else
{
printf_filtered (_(" (%s %s) pending."),
event_location_to_string (b->location),
event_location_to_string (b->location.get ()),
b->extra_string);
}
}
@ -12805,7 +12803,7 @@ say_where (struct breakpoint *b)
different file name, and this at least reflects the
real situation somewhat. */
printf_filtered (": %s.",
event_location_to_string (b->location));
event_location_to_string (b->location.get ()));
}
if (b->loc->next)
@ -12842,8 +12840,6 @@ base_breakpoint_dtor (struct breakpoint *self)
xfree (self->cond_string);
xfree (self->extra_string);
xfree (self->filter);
delete_event_location (self->location);
delete_event_location (self->location_range_end);
}
static struct bp_location *
@ -13177,7 +13173,7 @@ bkpt_print_recreate (struct breakpoint *tp, struct ui_file *fp)
_("unhandled breakpoint type %d"), (int) tp->type);
fprintf_unfiltered (fp, " %s",
event_location_to_string (tp->location));
event_location_to_string (tp->location.get ()));
/* Print out extra_string if this breakpoint is pending. It might
contain, for example, conditions that were set by the user. */
@ -13501,7 +13497,7 @@ tracepoint_print_recreate (struct breakpoint *self, struct ui_file *fp)
_("unhandled tracepoint type %d"), (int) self->type);
fprintf_unfiltered (fp, " %s",
event_location_to_string (self->location));
event_location_to_string (self->location.get ()));
print_recreate_thread (self, fp);
if (tp->pass_count)
@ -13603,7 +13599,7 @@ static void
dprintf_print_recreate (struct breakpoint *tp, struct ui_file *fp)
{
fprintf_unfiltered (fp, "dprintf %s,%s",
event_location_to_string (tp->location),
event_location_to_string (tp->location.get ()),
tp->extra_string);
print_recreate_thread (tp, fp);
}
@ -14119,13 +14115,13 @@ update_static_tracepoint (struct breakpoint *b, struct symtab_and_line sal)
b->loc->line_number = sal2.line;
b->loc->symtab = sym != NULL ? sal2.symtab : NULL;
delete_event_location (b->location);
b->location.reset (NULL);
initialize_explicit_location (&explicit_loc);
explicit_loc.source_filename
= ASTRDUP (symtab_to_filename_for_display (sal2.symtab));
explicit_loc.line_offset.offset = b->loc->line_number;
explicit_loc.line_offset.sign = LINE_OFFSET_NONE;
b->location = new_explicit_location (&explicit_loc).release ();
b->location = new_explicit_location (&explicit_loc);
/* Might be nice to check if function changed, and warn if
so. */
@ -14424,7 +14420,7 @@ breakpoint_re_set_default (struct breakpoint *b)
struct symtabs_and_lines expanded_end = {0};
struct program_space *filter_pspace = current_program_space;
sals = location_to_sals (b, b->location, filter_pspace, &found);
sals = location_to_sals (b, b->location.get (), filter_pspace, &found);
if (found)
{
make_cleanup (xfree, sals.sals);
@ -14433,7 +14429,7 @@ breakpoint_re_set_default (struct breakpoint *b)
if (b->location_range_end != NULL)
{
sals_end = location_to_sals (b, b->location_range_end,
sals_end = location_to_sals (b, b->location_range_end.get (),
filter_pspace, &found);
if (found)
{

10
gdb/breakpoint.h
View File

@ -26,6 +26,7 @@
#include "command.h"
#include "break-common.h"
#include "probe.h"
#include "location.h"
#include <vector>
struct value;
@ -38,7 +39,6 @@ struct bpstats;
struct bp_location;
struct linespec_result;
struct linespec_sals;
struct event_location;
/* Why are we removing the breakpoint from the target? */
@ -716,8 +716,8 @@ struct breakpoint
non-thread-specific ordinary breakpoints this is NULL. */
struct program_space *pspace;
/* Location we used to set the breakpoint (malloc'd). */
struct event_location *location;
/* Location we used to set the breakpoint. */
event_location_up location;
/* The filter that should be passed to decode_line_full when
re-setting this breakpoint. This may be NULL, but otherwise is
@ -725,8 +725,8 @@ struct breakpoint
char *filter;
/* For a ranged breakpoint, the location we used to find
the end of the range (malloc'd). */
struct event_location *location_range_end;
the end of the range. */
event_location_up location_range_end;
/* Architecture we used to set the breakpoint. */
struct gdbarch *gdbarch;

2
gdb/elfread.c
View File

@ -1006,7 +1006,7 @@ elf_gnu_ifunc_resolver_return_stop (struct breakpoint *b)
resolved_pc = gdbarch_addr_bits_remove (gdbarch, resolved_pc);
gdb_assert (current_program_space == b->pspace || b->pspace == NULL);
elf_gnu_ifunc_record_cache (event_location_to_string (b->location),
elf_gnu_ifunc_record_cache (event_location_to_string (b->location.get ()),
resolved_pc);
sal = find_pc_line (resolved_pc, 0);

4
gdb/guile/scm-breakpoint.c
View File

@ -184,7 +184,7 @@ bpscm_print_breakpoint_smob (SCM self, SCM port, scm_print_state *pstate)
gdbscm_printf (port, " hit:%d", b->hit_count);
gdbscm_printf (port, " ignore:%d", b->ignore_count);
str = event_location_to_string (b->location);
str = event_location_to_string (b->location.get ());
if (str != NULL)
gdbscm_printf (port, " @%s", str);
}
@ -832,7 +832,7 @@ gdbscm_breakpoint_location (SCM self)
if (bp_smob->bp->type != bp_breakpoint)
return SCM_BOOL_F;
str = event_location_to_string (bp_smob->bp->location);
str = event_location_to_string (bp_smob->bp->location.get ());
if (! str)
str = "";

2
gdb/python/py-breakpoint.c
View File

@ -390,7 +390,7 @@ bppy_get_location (PyObject *self, void *closure)
if (obj->bp->type != bp_breakpoint)
Py_RETURN_NONE;
str = event_location_to_string (obj->bp->location);
str = event_location_to_string (obj->bp->location.get ());
if (! str)
str = "";
return host_string_to_python_string (str);

2
gdb/remote.c
View File

@ -12416,7 +12416,7 @@ remote_download_tracepoint (struct target_ops *self, struct bp_location *loc)
{
strcpy (buf, "QTDPsrc:");
encode_source_string (b->number, loc->address, "at",
event_location_to_string (b->location),
event_location_to_string (b->location.get ()),
buf + strlen (buf), 2048 - strlen (buf));
putpkt (buf);
remote_get_noisy_reply (&target_buf, &target_buf_size);