/* Everything about breakpoints, for GDB.
- Copyright (C) 1986-2017 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "block.h"
#include "solib.h"
#include "solist.h"
-#include "observer.h"
+#include "observable.h"
#include "memattr.h"
#include "ada-lang.h"
#include "top.h"
#include "gdb_regex.h"
#include "probe.h"
#include "cli/cli-utils.h"
-#include "continuations.h"
#include "stack.h"
-#include "skip.h"
#include "ax-gdb.h"
#include "dummy-frame.h"
#include "interps.h"
-#include "format.h"
+#include "gdbsupport/format.h"
#include "thread-fsm.h"
#include "tid-parse.h"
+#include "cli/cli-style.h"
/* readline include files */
-#include "readline/readline.h"
-#include "readline/history.h"
+#include "readline/tilde.h"
/* readline defines this. */
#undef savestring
#include "extension.h"
#include <algorithm>
#include "progspace-and-thread.h"
-#include "common/array-view.h"
-#include "common/gdb_optional.h"
-
-/* Enums for exception-handling support. */
-enum exception_event_kind
-{
- EX_EVENT_THROW,
- EX_EVENT_RETHROW,
- EX_EVENT_CATCH
-};
+#include "gdbsupport/array-view.h"
+#include "gdbsupport/gdb_optional.h"
/* Prototypes for local functions. */
(struct breakpoint *b, const struct event_location *location,
struct program_space *search_pspace);
-static int can_use_hardware_watchpoint (struct value *);
+static int can_use_hardware_watchpoint
+ (const std::vector<value_ref_ptr> &vals);
static void mention (struct breakpoint *);
static void update_global_location_list_nothrow (enum ugll_insert_mode);
-static int is_hardware_watchpoint (const struct breakpoint *bpt);
-
static void insert_breakpoint_locations (void);
static void trace_pass_command (const char *, int);
static void set_tracepoint_count (int num);
-static int is_masked_watchpoint (const struct breakpoint *b);
+static bool is_masked_watchpoint (const struct breakpoint *b);
static struct bp_location **get_first_locp_gte_addr (CORE_ADDR address);
/* True if dprintf commands should continue to operate even if GDB
has disconnected. */
-static int disconnected_dprintf = 1;
+static bool disconnected_dprintf = true;
struct command_line *
breakpoint_commands (struct breakpoint *b)
/* Flag indicating that a command has proceeded the inferior past the
current breakpoint. */
-static int breakpoint_proceeded;
+static bool breakpoint_proceeded;
const char *
bpdisp_text (enum bpdisp disp)
value);
}
-/* If 1, gdb will automatically use hardware breakpoints for breakpoints
+/* If true, gdb will automatically use hardware breakpoints for breakpoints
set with "break" but falling in read-only memory.
- If 0, gdb will warn about such breakpoints, but won't automatically
+ If false, gdb will warn about such breakpoints, but won't automatically
use hardware breakpoints. */
-static int automatic_hardware_breakpoints;
+static bool automatic_hardware_breakpoints;
static void
show_automatic_hardware_breakpoints (struct ui_file *file, int from_tty,
struct cmd_list_element *c,
breakpoints until the next resume, and removes them again when the
target fully stops. This is a bit safer in case GDB crashes while
processing user input. */
-static int always_inserted_mode = 0;
+static bool always_inserted_mode = false;
static void
show_always_inserted_mode (struct ui_file *file, int from_tty,
}
else if (target_has_execution)
{
- struct thread_info *tp;
-
if (always_inserted_mode)
{
/* The user wants breakpoints inserted even if all threads
/* Don't remove breakpoints yet if, even though all threads are
stopped, we still have events to process. */
- ALL_NON_EXITED_THREADS (tp)
+ for (thread_info *tp : all_non_exited_threads ())
if (tp->resumed
&& tp->suspend.waitstatus_pending_p)
return 1;
static int overlay_events_enabled;
/* See description in breakpoint.h. */
-int target_exact_watchpoints = 0;
+bool target_exact_watchpoints = false;
/* Walk the following statement or block through all breakpoints.
ALL_BREAKPOINTS_SAFE does so even if the statement deletes the
/* The locations that no longer correspond to any breakpoint, unlinked
from the bp_locations array, but for which a hit may still be
reported by a target. */
-VEC(bp_location_p) *moribund_locations = NULL;
+static std::vector<bp_location *> moribund_locations;
/* Number of last breakpoint made. */
{
struct watchpoint *w = (struct watchpoint *) b;
- innermost_block = NULL;
+ innermost_block_tracker tracker;
arg = exp;
- w->cond_exp = parse_exp_1 (&arg, 0, 0, 0);
+ w->cond_exp = parse_exp_1 (&arg, 0, 0, 0, &tracker);
if (*arg)
error (_("Junk at end of expression"));
- w->cond_exp_valid_block = innermost_block;
+ w->cond_exp_valid_block = tracker.block ();
}
else
{
}
mark_breakpoint_modified (b);
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
/* Completion for the "condition" command. */
xsnprintf (number, sizeof (number), "%d", b->number);
if (strncmp (number, text, len) == 0)
- {
- gdb::unique_xmalloc_ptr<char> copy (xstrdup (number));
- tracker.add_completion (std::move (copy));
- }
+ tracker.add_completion (make_unique_xstrdup (number));
}
return;
for (c = commands; c; c = c->next)
{
- int i;
-
if (c->control_type == while_stepping_control)
error (_("The 'while-stepping' command can "
"only be used for tracepoints"));
- for (i = 0; i < c->body_count; ++i)
- check_no_tracepoint_commands ((c->body_list)[i]);
+ check_no_tracepoint_commands (c->body_list_0.get ());
+ check_no_tracepoint_commands (c->body_list_1.get ());
/* Not that command parsing removes leading whitespace and comment
lines and also empty lines. So, we only need to check for
return type == bp_longjmp || type == bp_exception;
}
-int
+/* See breakpoint.h. */
+
+bool
is_tracepoint (const struct breakpoint *b)
{
return is_tracepoint_type (b->type);
{
struct command_line *c2;
- gdb_assert (while_stepping->body_count == 1);
- c2 = while_stepping->body_list[0];
+ gdb_assert (while_stepping->body_list_1 == nullptr);
+ c2 = while_stepping->body_list_0.get ();
for (; c2; c2 = c2->next)
{
if (c2->control_type == while_stepping_control)
/* Return a vector of all the static tracepoints set at ADDR. The
caller is responsible for releasing the vector. */
-VEC(breakpoint_p) *
+std::vector<breakpoint *>
static_tracepoints_here (CORE_ADDR addr)
{
struct breakpoint *b;
- VEC(breakpoint_p) *found = 0;
+ std::vector<breakpoint *> found;
struct bp_location *loc;
ALL_BREAKPOINTS (b)
{
for (loc = b->loc; loc; loc = loc->next)
if (loc->address == addr)
- VEC_safe_push(breakpoint_p, found, b);
+ found.push_back (b);
}
return found;
void
breakpoint_set_commands (struct breakpoint *b,
- command_line_up &&commands)
+ counted_command_line &&commands)
{
validate_commands_for_breakpoint (b, commands.get ());
b->commands = std::move (commands);
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
/* Set the internal `silent' flag on the breakpoint. Note that this
b->silent = silent;
if (old_silent != silent)
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
/* Set the thread for this breakpoint. If THREAD is -1, make the
b->thread = thread;
if (old_thread != thread)
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
/* Set the task for this breakpoint. If TASK is 0, make the
b->task = task;
if (old_task != task)
- observer_notify_breakpoint_modified (b);
-}
-
-void
-check_tracepoint_command (char *line, void *closure)
-{
- struct breakpoint *b = (struct breakpoint *) closure;
-
- validate_actionline (line, b);
+ gdb::observers::breakpoint_modified.notify (b);
}
static void
struct command_line *control)
{
counted_command_line cmd;
+ /* cmd_read will be true once we have read cmd. Note that cmd might still be
+ NULL after the call to read_command_lines if the user provides an empty
+ list of command by just typing "end". */
+ bool cmd_read = false;
std::string new_arg;
map_breakpoint_numbers
(arg, [&] (breakpoint *b)
{
- if (cmd == NULL)
+ if (!cmd_read)
{
+ gdb_assert (cmd == NULL);
if (control != NULL)
- cmd = copy_command_lines (control->body_list[0]);
+ cmd = control->body_list_0;
else
{
std::string str
"%s, one per line."),
arg);
- cmd = read_command_lines (&str[0],
- from_tty, 1,
- (is_tracepoint (b)
- ? check_tracepoint_command : 0),
- b);
+ auto do_validate = [=] (const char *line)
+ {
+ validate_actionline (line, b);
+ };
+ gdb::function_view<void (const char *)> validator;
+ if (is_tracepoint (b))
+ validator = do_validate;
+
+ cmd = read_command_lines (str.c_str (), from_tty, 1, validator);
}
+ cmd_read = true;
}
/* If a breakpoint was on the list more than once, we don't need to
{
validate_commands_for_breakpoint (b, cmd.get ());
b->commands = cmd;
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
});
}
}
}
-\f
-
-/* Return true if BPT is either a software breakpoint or a hardware
- breakpoint. */
+/* See breakpoint.h. */
-int
+bool
is_breakpoint (const struct breakpoint *bpt)
{
return (bpt->type == bp_breakpoint
/* Return true if BPT is of any hardware watchpoint kind. */
-static int
+static bool
is_hardware_watchpoint (const struct breakpoint *bpt)
{
return (bpt->type == bp_hardware_watchpoint
|| bpt->type == bp_access_watchpoint);
}
-/* Return true if BPT is of any watchpoint kind, hardware or
- software. */
+/* See breakpoint.h. */
-int
+bool
is_watchpoint (const struct breakpoint *bpt)
{
return (is_hardware_watchpoint (bpt)
watchpoint_in_thread_scope (struct watchpoint *b)
{
return (b->pspace == current_program_space
- && (ptid_equal (b->watchpoint_thread, null_ptid)
- || (ptid_equal (inferior_ptid, b->watchpoint_thread)
- && !is_executing (inferior_ptid))));
+ && (b->watchpoint_thread == null_ptid
+ || (inferior_ptid == b->watchpoint_thread
+ && !inferior_thread ()->executing)));
}
/* Set watchpoint B to disp_del_at_next_stop, even including its possible
/* Returns true if B is a software watchpoint that is not watching any
memory (e.g., "watch $pc"). */
-static int
+static bool
is_no_memory_software_watchpoint (struct breakpoint *b)
{
return (b->type == bp_watchpoint
no longer relevant. We don't want to report a watchpoint hit
to the user when the old value and the new value may actually
be completely different objects. */
- value_free (b->val);
b->val = NULL;
- b->val_valid = 0;
+ b->val_valid = false;
/* Note that unlike with breakpoints, the watchpoint's condition
expression is stored in the breakpoint object, not in the
else if (within_current_scope && b->exp)
{
int pc = 0;
- struct value *val_chain, *v, *result, *next;
+ std::vector<value_ref_ptr> val_chain;
+ struct value *v, *result;
struct program_space *frame_pspace;
fetch_subexp_value (b->exp.get (), &pc, &v, &result, &val_chain, 0);
if (!b->val_valid && !is_masked_watchpoint (b))
{
if (b->val_bitsize != 0)
- {
- v = extract_bitfield_from_watchpoint_value (b, v);
- if (v != NULL)
- release_value (v);
- }
- b->val = v;
- b->val_valid = 1;
+ v = extract_bitfield_from_watchpoint_value (b, v);
+ b->val = release_value (v);
+ b->val_valid = true;
}
frame_pspace = get_frame_program_space (get_selected_frame (NULL));
/* Look at each value on the value chain. */
- for (v = val_chain; v; v = value_next (v))
+ gdb_assert (!val_chain.empty ());
+ for (const value_ref_ptr &iter : val_chain)
{
+ v = iter.get ();
+
/* If it's a memory location, and GDB actually needed
its contents to evaluate the expression, then we
must watch it. If the first value returned is
still lazy, that means an error occurred reading it;
watch it anyway in case it becomes readable. */
if (VALUE_LVAL (v) == lval_memory
- && (v == val_chain || ! value_lazy (v)))
+ && (v == val_chain[0] || ! value_lazy (v)))
{
struct type *vtype = check_typedef (value_type (v));
bl->loc_type = loc_type;
}
- for (v = val_chain; v; v = next)
- {
- next = value_next (v);
- if (v != b->val)
- value_free (v);
- }
-
/* If a software watchpoint is not watching any memory, then the
above left it without any location set up. But,
bpstat_stop_status requires a location to be able to report
/* We don't want to stop processing, so catch any errors
that may show up. */
- TRY
+ try
{
aexpr = gen_eval_for_expr (scope, cond);
}
- CATCH (ex, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &ex)
{
/* If we got here, it means the condition could not be parsed to a valid
bytecode expression and thus can't be evaluated on the target's side.
It's no use iterating through the conditions. */
}
- END_CATCH
/* We have a valid agent expression. */
return aexpr;
/* We don't want to stop processing, so catch any errors
that may show up. */
- TRY
+ try
{
aexpr = gen_printf (scope, gdbarch, 0, 0,
format_start, format_end - format_start,
argvec.size (), argvec.data ());
}
- CATCH (ex, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &ex)
{
/* If we got here, it means the command could not be parsed to a valid
bytecode expression and thus can't be evaluated on the target's side.
It's no use iterating through the other commands. */
}
- END_CATCH
/* We have a valid agent expression, return it. */
return aexpr;
struct thread_info *thr = find_thread_global_id (bl->owner->thread);
struct regcache *regcache;
- regcache = get_thread_regcache (thr->ptid);
+ regcache = get_thread_regcache (thr);
return gdbarch_breakpoint_kind_from_current_state (bl->gdbarch,
regcache, addr);
int *hw_breakpoint_error,
int *hw_bp_error_explained_already)
{
- gdb_exception bp_excpt = exception_none;
+ gdb_exception bp_excpt;
if (!should_be_inserted (bl) || (bl->inserted && !bl->needs_update))
return 0;
|| !(section_is_overlay (bl->section)))
{
/* No overlay handling: just set the breakpoint. */
- TRY
+ try
{
int val;
if (val)
bp_excpt = gdb_exception {RETURN_ERROR, GENERIC_ERROR};
}
- CATCH (e, RETURN_MASK_ALL)
+ catch (gdb_exception &e)
{
- bp_excpt = e;
+ bp_excpt = std::move (e);
}
- END_CATCH
}
else
{
bl->overlay_target_info.reqstd_address = addr;
/* No overlay handling: just set the breakpoint. */
- TRY
+ try
{
int val;
bp_excpt
= gdb_exception {RETURN_ERROR, GENERIC_ERROR};
}
- CATCH (e, RETURN_MASK_ALL)
+ catch (gdb_exception &e)
{
- bp_excpt = e;
+ bp_excpt = std::move (e);
}
- END_CATCH
if (bp_excpt.reason != 0)
fprintf_unfiltered (tmp_error_stream,
if (section_is_mapped (bl->section))
{
/* Yes. This overlay section is mapped into memory. */
- TRY
+ try
{
int val;
if (val)
bp_excpt = gdb_exception {RETURN_ERROR, GENERIC_ERROR};
}
- CATCH (e, RETURN_MASK_ALL)
+ catch (gdb_exception &e)
{
- bp_excpt = e;
+ bp_excpt = std::move (e);
}
- END_CATCH
}
else
{
{
/* See also: disable_breakpoints_in_shlibs. */
bl->shlib_disabled = 1;
- observer_notify_breakpoint_modified (bl->owner);
+ gdb::observers::breakpoint_modified.notify (bl->owner);
if (!*disabled_breaks)
{
fprintf_unfiltered (tmp_error_stream,
bp_excpt.message ? ":" : ".\n");
if (bp_excpt.message != NULL)
fprintf_unfiltered (tmp_error_stream, "%s.\n",
- bp_excpt.message);
+ bp_excpt.what ());
}
else
{
fprintf_unfiltered (tmp_error_stream,
"Cannot insert breakpoint %d: %s\n",
bl->owner->number,
- bp_excpt.message);
+ bp_excpt.what ());
}
}
return 1;
/* We only want to update locations that are already inserted
and need updating. This is to avoid unwanted insertion during
deletion of breakpoints. */
- if (!bl->inserted || (bl->inserted && !bl->needs_update))
+ if (!bl->inserted || !bl->needs_update)
continue;
switch_to_program_space_and_thread (bl->pspace);
if we aren't attached to any process yet, we should still
insert breakpoints. */
if (!gdbarch_has_global_breakpoints (target_gdbarch ())
- && ptid_equal (inferior_ptid, null_ptid))
+ && inferior_ptid == null_ptid)
continue;
val = insert_bp_location (bl, &tmp_error_stream, &disabled_breaks,
if we aren't attached to any process yet, we should still
insert breakpoints. */
if (!gdbarch_has_global_breakpoints (target_gdbarch ())
- && ptid_equal (inferior_ptid, null_ptid))
+ && inferior_ptid == null_ptid)
continue;
val = insert_bp_location (bl, &tmp_error_stream, &disabled_breaks,
}
}
-/* Remove breakpoints of process PID. */
+/* See breakpoint.h. */
-int
-remove_breakpoints_pid (int pid)
+void
+remove_breakpoints_inf (inferior *inf)
{
struct bp_location *bl, **blp_tmp;
int val;
- struct inferior *inf = find_inferior_pid (pid);
ALL_BP_LOCATIONS (bl, blp_tmp)
{
{
val = remove_breakpoint (bl);
if (val != 0)
- return val;
+ return;
}
}
- return 0;
}
static int internal_breakpoint_number = -1;
std::vector<probe *> exception_probes;
};
-static const struct objfile_data *breakpoint_objfile_key;
+static const struct objfile_key<breakpoint_objfile_data>
+ breakpoint_objfile_key;
/* Minimal symbol not found sentinel. */
static struct minimal_symbol msym_not_found;
{
struct breakpoint_objfile_data *bp_objfile_data;
- bp_objfile_data = ((struct breakpoint_objfile_data *)
- objfile_data (objfile, breakpoint_objfile_key));
+ bp_objfile_data = breakpoint_objfile_key.get (objfile);
if (bp_objfile_data == NULL)
- {
- bp_objfile_data = new breakpoint_objfile_data ();
- set_objfile_data (objfile, breakpoint_objfile_key, bp_objfile_data);
- }
+ bp_objfile_data = breakpoint_objfile_key.emplace (objfile);
return bp_objfile_data;
}
-static void
-free_breakpoint_objfile_data (struct objfile *obj, void *data)
-{
- struct breakpoint_objfile_data *bp_objfile_data
- = (struct breakpoint_objfile_data *) data;
-
- delete bp_objfile_data;
-}
-
static void
create_overlay_event_breakpoint (void)
{
- struct objfile *objfile;
const char *const func_name = "_ovly_debug_event";
- ALL_OBJFILES (objfile)
+ for (objfile *objfile : current_program_space->objfiles ())
{
struct breakpoint *b;
struct breakpoint_objfile_data *bp_objfile_data;
ALL_PSPACES (pspace)
{
- struct objfile *objfile;
-
set_current_program_space (pspace);
- ALL_OBJFILES (objfile)
- {
- int i;
- struct gdbarch *gdbarch;
- struct breakpoint_objfile_data *bp_objfile_data;
-
- gdbarch = get_objfile_arch (objfile);
+ for (objfile *objfile : current_program_space->objfiles ())
+ {
+ int i;
+ struct gdbarch *gdbarch;
+ struct breakpoint_objfile_data *bp_objfile_data;
- bp_objfile_data = get_breakpoint_objfile_data (objfile);
+ gdbarch = get_objfile_arch (objfile);
- if (!bp_objfile_data->longjmp_searched)
- {
- std::vector<probe *> ret
- = find_probes_in_objfile (objfile, "libc", "longjmp");
+ bp_objfile_data = get_breakpoint_objfile_data (objfile);
- if (!ret.empty ())
- {
- /* We are only interested in checking one element. */
- probe *p = ret[0];
+ if (!bp_objfile_data->longjmp_searched)
+ {
+ std::vector<probe *> ret
+ = find_probes_in_objfile (objfile, "libc", "longjmp");
- if (!p->can_evaluate_arguments ())
- {
- /* We cannot use the probe interface here, because it does
- not know how to evaluate arguments. */
- ret.clear ();
- }
- }
- bp_objfile_data->longjmp_probes = ret;
- bp_objfile_data->longjmp_searched = 1;
- }
+ if (!ret.empty ())
+ {
+ /* We are only interested in checking one element. */
+ probe *p = ret[0];
- if (!bp_objfile_data->longjmp_probes.empty ())
- {
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ if (!p->can_evaluate_arguments ())
+ {
+ /* We cannot use the probe interface here, because it does
+ not know how to evaluate arguments. */
+ ret.clear ();
+ }
+ }
+ bp_objfile_data->longjmp_probes = ret;
+ bp_objfile_data->longjmp_searched = 1;
+ }
- for (probe *p : bp_objfile_data->longjmp_probes)
- {
- struct breakpoint *b;
+ if (!bp_objfile_data->longjmp_probes.empty ())
+ {
+ for (probe *p : bp_objfile_data->longjmp_probes)
+ {
+ struct breakpoint *b;
+
+ b = create_internal_breakpoint (gdbarch,
+ p->get_relocated_address (objfile),
+ bp_longjmp_master,
+ &internal_breakpoint_ops);
+ b->location = new_probe_location ("-probe-stap libc:longjmp");
+ b->enable_state = bp_disabled;
+ }
- b = create_internal_breakpoint (gdbarch,
- p->get_relocated_address (objfile),
- bp_longjmp_master,
- &internal_breakpoint_ops);
- b->location = new_probe_location ("-probe-stap libc:longjmp");
- b->enable_state = bp_disabled;
- }
+ continue;
+ }
+ if (!gdbarch_get_longjmp_target_p (gdbarch))
continue;
- }
-
- if (!gdbarch_get_longjmp_target_p (gdbarch))
- continue;
- for (i = 0; i < NUM_LONGJMP_NAMES; i++)
- {
- struct breakpoint *b;
- const char *func_name;
- CORE_ADDR addr;
- struct explicit_location explicit_loc;
+ for (i = 0; i < NUM_LONGJMP_NAMES; i++)
+ {
+ struct breakpoint *b;
+ const char *func_name;
+ CORE_ADDR addr;
+ struct explicit_location explicit_loc;
- if (msym_not_found_p (bp_objfile_data->longjmp_msym[i].minsym))
- continue;
+ if (msym_not_found_p (bp_objfile_data->longjmp_msym[i].minsym))
+ continue;
- func_name = longjmp_names[i];
- if (bp_objfile_data->longjmp_msym[i].minsym == NULL)
- {
- struct bound_minimal_symbol m;
+ func_name = longjmp_names[i];
+ if (bp_objfile_data->longjmp_msym[i].minsym == NULL)
+ {
+ struct bound_minimal_symbol m;
- m = lookup_minimal_symbol_text (func_name, objfile);
- if (m.minsym == NULL)
- {
- /* Prevent future lookups in this objfile. */
- bp_objfile_data->longjmp_msym[i].minsym = &msym_not_found;
- continue;
- }
- bp_objfile_data->longjmp_msym[i] = m;
- }
+ m = lookup_minimal_symbol_text (func_name, objfile);
+ if (m.minsym == NULL)
+ {
+ /* Prevent future lookups in this objfile. */
+ bp_objfile_data->longjmp_msym[i].minsym = &msym_not_found;
+ continue;
+ }
+ bp_objfile_data->longjmp_msym[i] = m;
+ }
- addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->longjmp_msym[i]);
- b = create_internal_breakpoint (gdbarch, addr, bp_longjmp_master,
- &internal_breakpoint_ops);
- initialize_explicit_location (&explicit_loc);
- explicit_loc.function_name = ASTRDUP (func_name);
- b->location = new_explicit_location (&explicit_loc);
- b->enable_state = bp_disabled;
- }
- }
+ addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->longjmp_msym[i]);
+ b = create_internal_breakpoint (gdbarch, addr, bp_longjmp_master,
+ &internal_breakpoint_ops);
+ initialize_explicit_location (&explicit_loc);
+ explicit_loc.function_name = ASTRDUP (func_name);
+ b->location = new_explicit_location (&explicit_loc);
+ b->enable_state = bp_disabled;
+ }
+ }
}
}
ALL_PSPACES (pspace)
{
- struct objfile *objfile;
CORE_ADDR addr;
set_current_program_space (pspace);
- ALL_OBJFILES (objfile)
- {
- struct breakpoint *b;
- struct breakpoint_objfile_data *bp_objfile_data;
- struct explicit_location explicit_loc;
+ for (objfile *objfile : current_program_space->objfiles ())
+ {
+ struct breakpoint *b;
+ struct breakpoint_objfile_data *bp_objfile_data;
+ struct explicit_location explicit_loc;
- bp_objfile_data = get_breakpoint_objfile_data (objfile);
+ bp_objfile_data = get_breakpoint_objfile_data (objfile);
- if (msym_not_found_p (bp_objfile_data->terminate_msym.minsym))
- continue;
+ if (msym_not_found_p (bp_objfile_data->terminate_msym.minsym))
+ continue;
- if (bp_objfile_data->terminate_msym.minsym == NULL)
- {
- struct bound_minimal_symbol m;
+ if (bp_objfile_data->terminate_msym.minsym == NULL)
+ {
+ struct bound_minimal_symbol m;
- m = lookup_minimal_symbol (func_name, NULL, objfile);
- if (m.minsym == NULL || (MSYMBOL_TYPE (m.minsym) != mst_text
- && MSYMBOL_TYPE (m.minsym) != mst_file_text))
- {
- /* Prevent future lookups in this objfile. */
- bp_objfile_data->terminate_msym.minsym = &msym_not_found;
- continue;
- }
- bp_objfile_data->terminate_msym = m;
- }
+ m = lookup_minimal_symbol (func_name, NULL, objfile);
+ if (m.minsym == NULL || (MSYMBOL_TYPE (m.minsym) != mst_text
+ && MSYMBOL_TYPE (m.minsym) != mst_file_text))
+ {
+ /* Prevent future lookups in this objfile. */
+ bp_objfile_data->terminate_msym.minsym = &msym_not_found;
+ continue;
+ }
+ bp_objfile_data->terminate_msym = m;
+ }
- addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->terminate_msym);
- b = create_internal_breakpoint (get_objfile_arch (objfile), addr,
- bp_std_terminate_master,
- &internal_breakpoint_ops);
- initialize_explicit_location (&explicit_loc);
- explicit_loc.function_name = ASTRDUP (func_name);
- b->location = new_explicit_location (&explicit_loc);
- b->enable_state = bp_disabled;
- }
+ addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->terminate_msym);
+ b = create_internal_breakpoint (get_objfile_arch (objfile), addr,
+ bp_std_terminate_master,
+ &internal_breakpoint_ops);
+ initialize_explicit_location (&explicit_loc);
+ explicit_loc.function_name = ASTRDUP (func_name);
+ b->location = new_explicit_location (&explicit_loc);
+ b->enable_state = bp_disabled;
+ }
}
}
static void
create_exception_master_breakpoint (void)
{
- struct objfile *objfile;
const char *const func_name = "_Unwind_DebugHook";
- ALL_OBJFILES (objfile)
+ for (objfile *objfile : current_program_space->objfiles ())
{
struct breakpoint *b;
struct gdbarch *gdbarch;
if (!bp_objfile_data->exception_probes.empty ())
{
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ gdbarch = get_objfile_arch (objfile);
for (probe *p : bp_objfile_data->exception_probes)
{
- struct breakpoint *b;
-
b = create_internal_breakpoint (gdbarch,
p->get_relocated_address (objfile),
bp_exception_master,
addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->exception_msym);
addr = gdbarch_convert_from_func_ptr_addr (gdbarch, addr,
- ¤t_target);
+ current_top_target ());
b = create_internal_breakpoint (gdbarch, addr, bp_exception_master,
&internal_breakpoint_ops);
initialize_explicit_location (&explicit_loc);
scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
struct inferior *inf = current_inferior ();
- if (ptid_get_pid (ptid) == ptid_get_pid (inferior_ptid))
+ if (ptid.pid () == inferior_ptid.pid ())
error (_("Cannot detach breakpoints of inferior_ptid"));
/* Set inferior_ptid; remove_breakpoint_1 uses this global. */
breakpoint_init_inferior (enum inf_context context)
{
struct breakpoint *b, *b_tmp;
- struct bp_location *bl;
- int ix;
struct program_space *pspace = current_program_space;
/* If breakpoint locations are shared across processes, then there's
{
/* Reset val field to force reread of starting value in
insert_breakpoints. */
- if (w->val)
- value_free (w->val);
- w->val = NULL;
- w->val_valid = 0;
+ w->val.reset (nullptr);
+ w->val_valid = false;
}
}
}
}
/* Get rid of the moribund locations. */
- for (ix = 0; VEC_iterate (bp_location_p, moribund_locations, ix, bl); ++ix)
+ for (bp_location *bl : moribund_locations)
decref_bp_location (&bl);
- VEC_free (bp_location_p, moribund_locations);
+ moribund_locations.clear ();
}
/* These functions concern about actual breakpoints inserted in the
int
moribund_breakpoint_here_p (const address_space *aspace, CORE_ADDR pc)
{
- struct bp_location *loc;
- int ix;
-
- for (ix = 0; VEC_iterate (bp_location_p, moribund_locations, ix, loc); ++ix)
+ for (bp_location *loc : moribund_locations)
if (breakpoint_location_address_match (loc, aspace, pc))
return 1;
}
return 0;
}
-\f
-/* bpstat stuff. External routines' interfaces are documented
- in breakpoint.h. */
+/* See breakpoint.h. */
-int
-is_catchpoint (struct breakpoint *ep)
+bool
+is_catchpoint (struct breakpoint *b)
{
- return (ep->type == bp_catchpoint);
+ return (b->type == bp_catchpoint);
}
/* Frees any storage that is part of a bpstat. Does not walk the
bpstats::~bpstats ()
{
- if (old_val != NULL)
- value_free (old_val);
if (bp_location_at != NULL)
decref_bp_location (&bp_location_at);
}
bp_location_at (other.bp_location_at),
breakpoint_at (other.breakpoint_at),
commands (other.commands),
- old_val (other.old_val),
print (other.print),
stop (other.stop),
print_it (other.print_it)
{
- if (old_val != NULL)
- {
- old_val = value_copy (old_val);
- release_value (old_val);
- }
+ if (other.old_val != NULL)
+ old_val = release_value (value_copy (other.old_val.get ()));
incref_bp_location (bp_location_at);
}
/* See breakpoint.h. */
-int
+bool
bpstat_explains_signal (bpstat bsp, enum gdb_signal sig)
{
for (; bsp != NULL; bsp = bsp->next)
/* A moribund location can never explain a signal other than
GDB_SIGNAL_TRAP. */
if (sig == GDB_SIGNAL_TRAP)
- return 1;
+ return true;
}
else
{
if (bsp->breakpoint_at->ops->explains_signal (bsp->breakpoint_at,
sig))
- return 1;
+ return true;
}
}
- return 0;
+ return false;
}
/* Put in *NUM the breakpoint number of the first breakpoint we are
void
bpstat_clear_actions (void)
{
- struct thread_info *tp;
bpstat bs;
- if (ptid_equal (inferior_ptid, null_ptid))
- return;
-
- tp = find_thread_ptid (inferior_ptid);
- if (tp == NULL)
+ if (inferior_ptid == null_ptid)
return;
+ thread_info *tp = inferior_thread ();
for (bs = tp->control.stop_bpstat; bs != NULL; bs = bs->next)
{
bs->commands = NULL;
-
- if (bs->old_val != NULL)
- {
- value_free (bs->old_val);
- bs->old_val = NULL;
- }
+ bs->old_val.reset (nullptr);
}
}
static void
breakpoint_about_to_proceed (void)
{
- if (!ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid != null_ptid)
{
struct thread_info *tp = inferior_thread ();
return again;
}
+/* Helper for bpstat_do_actions. Get the current thread, if there's
+ one, is alive and has execution. Return NULL otherwise. */
+
+static thread_info *
+get_bpstat_thread ()
+{
+ if (inferior_ptid == null_ptid || !target_has_execution)
+ return NULL;
+
+ thread_info *tp = inferior_thread ();
+ if (tp->state == THREAD_EXITED || tp->executing)
+ return NULL;
+ return tp;
+}
+
void
bpstat_do_actions (void)
{
- struct cleanup *cleanup_if_error = make_bpstat_clear_actions_cleanup ();
+ auto cleanup_if_error = make_scope_exit (bpstat_clear_actions);
+ thread_info *tp;
/* Do any commands attached to breakpoint we are stopped at. */
- while (!ptid_equal (inferior_ptid, null_ptid)
- && target_has_execution
- && !is_exited (inferior_ptid)
- && !is_executing (inferior_ptid))
- /* Since in sync mode, bpstat_do_actions may resume the inferior,
- and only return when it is stopped at the next breakpoint, we
- keep doing breakpoint actions until it returns false to
- indicate the inferior was not resumed. */
- if (!bpstat_do_actions_1 (&inferior_thread ()->control.stop_bpstat))
- break;
+ while ((tp = get_bpstat_thread ()) != NULL)
+ {
+ /* Since in sync mode, bpstat_do_actions may resume the
+ inferior, and only return when it is stopped at the next
+ breakpoint, we keep doing breakpoint actions until it returns
+ false to indicate the inferior was not resumed. */
+ if (!bpstat_do_actions_1 (&tp->control.stop_bpstat))
+ break;
+ }
- discard_cleanups (cleanup_if_error);
+ cleanup_if_error.release ();
}
/* Print out the (old or new) value associated with a watchpoint. */
watchpoint_value_print (struct value *val, struct ui_file *stream)
{
if (val == NULL)
- fprintf_unfiltered (stream, _("<unreadable>"));
+ fprintf_styled (stream, metadata_style.style (), _("<unreadable>"));
else
{
struct value_print_options opts;
struct thread_info *thr = inferior_thread ();
uiout->text ("Thread ");
- uiout->field_fmt ("thread-id", "%s", print_thread_id (thr));
+ uiout->field_string ("thread-id", print_thread_id (thr));
name = thr->name != NULL ? thr->name : target_thread_name (thr);
if (name != NULL)
{
uiout->text (" \"");
- uiout->field_fmt ("name", "%s", name);
+ uiout->field_string ("name", name);
uiout->text ("\"");
}
static void
print_solib_event (int is_catchpoint)
{
- int any_deleted
- = !VEC_empty (char_ptr, current_program_space->deleted_solibs);
- int any_added
- = !VEC_empty (so_list_ptr, current_program_space->added_solibs);
+ bool any_deleted = !current_program_space->deleted_solibs.empty ();
+ bool any_added = !current_program_space->added_solibs.empty ();
if (!is_catchpoint)
{
if (any_deleted)
{
- char *name;
- int ix;
-
current_uiout->text (_(" Inferior unloaded "));
ui_out_emit_list list_emitter (current_uiout, "removed");
- for (ix = 0;
- VEC_iterate (char_ptr, current_program_space->deleted_solibs,
- ix, name);
- ++ix)
+ for (int ix = 0; ix < current_program_space->deleted_solibs.size (); ix++)
{
+ const std::string &name = current_program_space->deleted_solibs[ix];
+
if (ix > 0)
current_uiout->text (" ");
current_uiout->field_string ("library", name);
if (any_added)
{
- struct so_list *iter;
- int ix;
-
current_uiout->text (_(" Inferior loaded "));
ui_out_emit_list list_emitter (current_uiout, "added");
- for (ix = 0;
- VEC_iterate (so_list_ptr, current_program_space->added_solibs,
- ix, iter);
- ++ix)
+ bool first = true;
+ for (so_list *iter : current_program_space->added_solibs)
{
- if (ix > 0)
+ if (!first)
current_uiout->text (" ");
+ first = false;
current_uiout->field_string ("library", iter->so_name);
current_uiout->text ("\n");
}
bp_location_at (bl),
breakpoint_at (bl->owner),
commands (NULL),
- old_val (NULL),
print (0),
stop (0),
print_it (print_it_normal)
bp_location_at (NULL),
breakpoint_at (NULL),
commands (NULL),
- old_val (NULL),
print (0),
stop (0),
print_it (print_it_normal)
int
watchpoints_triggered (struct target_waitstatus *ws)
{
- int stopped_by_watchpoint = target_stopped_by_watchpoint ();
+ bool stopped_by_watchpoint = target_stopped_by_watchpoint ();
CORE_ADDR addr;
struct breakpoint *b;
return 0;
}
- if (!target_stopped_data_address (¤t_target, &addr))
+ if (!target_stopped_data_address (current_top_target (), &addr))
{
/* We were stopped by a watchpoint, but we don't know where.
Mark all watchpoints as unknown. */
}
}
/* Exact match not required. Within range is sufficient. */
- else if (target_watchpoint_addr_within_range (¤t_target,
+ else if (target_watchpoint_addr_within_range (current_top_target (),
addr, loc->address,
loc->length))
{
the address of the array instead of its contents. This is
not what we want. */
if ((b->val != NULL) != (new_val != NULL)
- || (b->val != NULL && !value_equal_contents (b->val, new_val)))
+ || (b->val != NULL && !value_equal_contents (b->val.get (),
+ new_val)))
{
- if (new_val != NULL)
- {
- release_value (new_val);
- value_free_to_mark (mark);
- }
bs->old_val = b->val;
- b->val = new_val;
- b->val_valid = 1;
+ b->val = release_value (new_val);
+ b->val_valid = true;
+ if (new_val != NULL)
+ value_free_to_mark (mark);
return WP_VALUE_CHANGED;
}
else
if (uiout->is_mi_like_p ())
uiout->field_string
("reason", async_reason_lookup (EXEC_ASYNC_WATCHPOINT_SCOPE));
- uiout->text ("\nWatchpoint ");
- uiout->field_int ("wpnum", b->number);
- uiout->text (" deleted because the program has left the block in\n"
- "which its expression is valid.\n");
+ uiout->message ("\nWatchpoint %pF deleted because the program has "
+ "left the block in\n"
+ "which its expression is valid.\n",
+ signed_field ("wpnum", b->number));
}
/* Make sure the watchpoint's commands aren't executed. */
{
wp_check_result e;
- TRY
+ try
{
e = watchpoint_check (bs);
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
exception_fprintf (gdb_stderr, ex,
"Error evaluating expression "
watchpoint_del_at_next_stop (b);
e = WP_DELETED;
}
- END_CATCH
switch (e)
{
breakpoint, set BS->stop to 0. */
static void
-bpstat_check_breakpoint_conditions (bpstat bs, ptid_t ptid)
+bpstat_check_breakpoint_conditions (bpstat bs, thread_info *thread)
{
const struct bp_location *bl;
struct breakpoint *b;
/* If this is a thread/task-specific breakpoint, don't waste cpu
evaluating the condition if this isn't the specified
thread/task. */
- if ((b->thread != -1 && b->thread != ptid_to_global_thread_id (ptid))
- || (b->task != 0 && b->task != ada_get_task_number (ptid)))
-
+ if ((b->thread != -1 && b->thread != thread->global_num)
+ || (b->task != 0 && b->task != ada_get_task_number (thread)))
{
bs->stop = 0;
return;
}
if (within_current_scope)
{
- TRY
+ try
{
condition_result = breakpoint_cond_eval (cond);
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
exception_fprintf (gdb_stderr, ex,
"Error in testing breakpoint condition:\n");
}
- END_CATCH
}
else
{
bs->stop = 0;
/* Increase the hit count even though we don't stop. */
++(b->hit_count);
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
}
&& !target_supports_stopped_by_hw_breakpoint ()));
}
-
-/* Get a bpstat associated with having just stopped at address
- BP_ADDR in thread PTID.
-
- 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:
-
- if we don't understand the stop, the result is a null pointer.
-
- if we understand why we stopped, the result is not null.
-
- Each element of the chain refers to a particular breakpoint or
- watchpoint at which we have stopped. (We may have stopped for
- several reasons concurrently.)
-
- Each element of the chain has valid next, breakpoint_at,
- commands, FIXME??? fields. */
+/* See breakpoint.h. */
bpstat
-bpstat_stop_status (const address_space *aspace,
- CORE_ADDR bp_addr, ptid_t ptid,
+build_bpstat_chain (const address_space *aspace, CORE_ADDR bp_addr,
const struct target_waitstatus *ws)
{
- struct breakpoint *b = NULL;
- struct bp_location *bl;
- struct bp_location *loc;
- /* First item of allocated bpstat's. */
+ struct breakpoint *b;
bpstat bs_head = NULL, *bs_link = &bs_head;
- /* Pointer to the last thing in the chain currently. */
- bpstat bs;
- int ix;
- int need_remove_insert;
- int removed_any;
-
- /* First, build the bpstat chain with locations that explain a
- target stop, while being careful to not set the target running,
- as that may invalidate locations (in particular watchpoint
- locations are recreated). Resuming will happen here with
- breakpoint conditions or watchpoint expressions that include
- inferior function calls. */
ALL_BREAKPOINTS (b)
{
if (!breakpoint_enabled (b))
continue;
- for (bl = b->loc; bl != NULL; bl = bl->next)
+ for (bp_location *bl = b->loc; bl != NULL; bl = bl->next)
{
/* For hardware watchpoints, we look only at the first
location. The watchpoint_check function will work on the
/* Come here if it's a watchpoint, or if the break address
matches. */
- bs = new bpstats (bl, &bs_link); /* Alloc a bpstat to
- explain stop. */
+ bpstat bs = new bpstats (bl, &bs_link); /* Alloc a bpstat to
+ explain stop. */
/* Assume we stop. Should we find a watchpoint that is not
actually triggered, or if the condition of the breakpoint
if (!target_supports_stopped_by_sw_breakpoint ()
|| !target_supports_stopped_by_hw_breakpoint ())
{
- for (ix = 0; VEC_iterate (bp_location_p, moribund_locations, ix, loc); ++ix)
+ for (bp_location *loc : moribund_locations)
{
if (breakpoint_location_address_match (loc, aspace, bp_addr)
&& need_moribund_for_location_type (loc))
{
- bs = new bpstats (loc, &bs_link);
+ bpstat bs = new bpstats (loc, &bs_link);
/* For hits of moribund locations, we should just proceed. */
bs->stop = 0;
bs->print = 0;
}
}
+ return bs_head;
+}
+
+/* See breakpoint.h. */
+
+bpstat
+bpstat_stop_status (const address_space *aspace,
+ CORE_ADDR bp_addr, thread_info *thread,
+ const struct target_waitstatus *ws,
+ bpstat stop_chain)
+{
+ struct breakpoint *b = NULL;
+ /* First item of allocated bpstat's. */
+ bpstat bs_head = stop_chain;
+ bpstat bs;
+ int need_remove_insert;
+ int removed_any;
+
+ /* First, build the bpstat chain with locations that explain a
+ target stop, while being careful to not set the target running,
+ as that may invalidate locations (in particular watchpoint
+ locations are recreated). Resuming will happen here with
+ breakpoint conditions or watchpoint expressions that include
+ inferior function calls. */
+ if (bs_head == NULL)
+ bs_head = build_bpstat_chain (aspace, bp_addr, ws);
+
/* A bit of special processing for shlib breakpoints. We need to
process solib loading here, so that the lists of loaded and
unloaded libraries are correct before we handle "catch load" and
b->ops->check_status (bs);
if (bs->stop)
{
- bpstat_check_breakpoint_conditions (bs, ptid);
+ bpstat_check_breakpoint_conditions (bs, thread);
if (bs->stop)
{
++(b->hit_count);
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
/* We will stop here. */
if (b->disposition == disp_disable)
retval.main_action = BPSTAT_WHAT_KEEP_CHECKING;
retval.call_dummy = STOP_NONE;
- retval.is_longjmp = 0;
+ retval.is_longjmp = false;
for (bs = bs_head; bs != NULL; bs = bs->next)
{
}
else
{
- /* There was a catchpoint, but we're not stopping.
- This requires no further action. */
+ /* Some catchpoints are implemented with breakpoints.
+ For those, we need to step over the breakpoint. */
+ if (bs->bp_location_at->loc_type != bp_loc_other)
+ this_action = BPSTAT_WHAT_SINGLE;
}
break;
case bp_jit_event:
}
}
-/* Nonzero if we should step constantly (e.g. watchpoints on machines
- without hardware support). This isn't related to a specific bpstat,
- just to things like whether watchpoints are set. */
+/* See breakpoint.h. */
-int
-bpstat_should_step (void)
+bool
+bpstat_should_step ()
{
struct breakpoint *b;
ALL_BREAKPOINTS (b)
if (breakpoint_enabled (b) && b->type == bp_watchpoint && b->loc != NULL)
- return 1;
- return 0;
+ return true;
+ return false;
}
-int
+/* See breakpoint.h. */
+
+bool
bpstat_causes_stop (bpstat bs)
{
for (; bs != NULL; bs = bs->next)
if (bs->stop)
- return 1;
+ return true;
- return 0;
+ return false;
}
\f
{
const struct symbol *sym = loc->symbol;
- if (sym == NULL)
- sym = find_pc_sect_function (loc->address, loc->section);
-
if (sym)
{
uiout->text ("in ");
- uiout->field_string ("func", SYMBOL_PRINT_NAME (sym));
+ uiout->field_string ("func", SYMBOL_PRINT_NAME (sym),
+ function_name_style.style ());
uiout->text (" ");
uiout->wrap_hint (wrap_indent_at_field (uiout, "what"));
uiout->text ("at ");
}
uiout->field_string ("file",
- symtab_to_filename_for_display (loc->symtab));
+ symtab_to_filename_for_display (loc->symtab),
+ file_name_style.style ());
uiout->text (":");
if (uiout->is_mi_like_p ())
uiout->field_string ("fullname", symtab_to_fullname (loc->symtab));
- uiout->field_int ("line", loc->line_number);
+ uiout->field_signed ("line", loc->line_number);
}
else if (loc)
{
}
}
-/* Print B to gdb_stdout. */
+/* Print B to gdb_stdout. If RAW_LOC, print raw breakpoint locations
+ instead of going via breakpoint_ops::print_one. This makes "maint
+ info breakpoints" show the software breakpoint locations of
+ catchpoints, which are considered internal implementation
+ detail. */
static void
print_one_breakpoint_location (struct breakpoint *b,
struct bp_location *loc,
int loc_number,
struct bp_location **last_loc,
- int allflag)
+ int allflag, bool raw_loc)
{
struct command_line *l;
static char bpenables[] = "nynny";
/* 1 */
annotate_field (0);
if (part_of_multiple)
- {
- char *formatted;
- formatted = xstrprintf ("%d.%d", b->number, loc_number);
- uiout->field_string ("number", formatted);
- xfree (formatted);
- }
+ uiout->field_fmt ("number", "%d.%d", b->number, loc_number);
else
- {
- uiout->field_int ("number", b->number);
- }
+ uiout->field_signed ("number", b->number);
/* 2 */
annotate_field (1);
else
uiout->field_string ("disp", bpdisp_text (b->disposition));
-
/* 4 */
annotate_field (3);
if (part_of_multiple)
uiout->field_string ("enabled", loc->enabled ? "y" : "n");
else
uiout->field_fmt ("enabled", "%c", bpenables[(int) b->enable_state]);
- uiout->spaces (2);
-
/* 5 and 6 */
- if (b->ops != NULL && b->ops->print_one != NULL)
- {
- /* Although the print_one can possibly print all locations,
- calling it here is not likely to get any nice result. So,
- make sure there's just one location. */
- gdb_assert (b->loc == NULL || b->loc->next == NULL);
- b->ops->print_one (b, last_loc);
- }
+ if (!raw_loc && b->ops != NULL && b->ops->print_one != NULL)
+ b->ops->print_one (b, last_loc);
else
- switch (b->type)
- {
- case bp_none:
- internal_error (__FILE__, __LINE__,
- _("print_one_breakpoint: bp_none encountered\n"));
- break;
-
- case bp_watchpoint:
- case bp_hardware_watchpoint:
- case bp_read_watchpoint:
- case bp_access_watchpoint:
+ {
+ if (is_watchpoint (b))
{
struct watchpoint *w = (struct watchpoint *) b;
annotate_field (5);
uiout->field_string ("what", w->exp_string);
}
- break;
-
- case bp_breakpoint:
- case bp_hardware_breakpoint:
- case bp_single_step:
- case bp_until:
- case bp_finish:
- case bp_longjmp:
- case bp_longjmp_resume:
- case bp_longjmp_call_dummy:
- case bp_exception:
- case bp_exception_resume:
- case bp_step_resume:
- case bp_hp_step_resume:
- case bp_watchpoint_scope:
- case bp_call_dummy:
- case bp_std_terminate:
- case bp_shlib_event:
- case bp_thread_event:
- case bp_overlay_event:
- case bp_longjmp_master:
- case bp_std_terminate_master:
- case bp_exception_master:
- case bp_tracepoint:
- case bp_fast_tracepoint:
- case bp_static_tracepoint:
- case bp_dprintf:
- case bp_jit_event:
- case bp_gnu_ifunc_resolver:
- case bp_gnu_ifunc_resolver_return:
- if (opts.addressprint)
- {
- annotate_field (4);
- if (header_of_multiple)
- uiout->field_string ("addr", "<MULTIPLE>");
- else if (b->loc == NULL || loc->shlib_disabled)
- uiout->field_string ("addr", "<PENDING>");
- else
- uiout->field_core_addr ("addr",
- loc->gdbarch, loc->address);
- }
- annotate_field (5);
- if (!header_of_multiple)
- print_breakpoint_location (b, loc);
- if (b->loc)
- *last_loc = b->loc;
- break;
- }
-
+ else if (!is_catchpoint (b) || is_exception_catchpoint (b)
+ || is_ada_exception_catchpoint (b))
+ {
+ if (opts.addressprint)
+ {
+ annotate_field (4);
+ if (header_of_multiple)
+ uiout->field_string ("addr", "<MULTIPLE>",
+ metadata_style.style ());
+ else if (b->loc == NULL || loc->shlib_disabled)
+ uiout->field_string ("addr", "<PENDING>",
+ metadata_style.style ());
+ else
+ uiout->field_core_addr ("addr",
+ loc->gdbarch, loc->address);
+ }
+ annotate_field (5);
+ if (!header_of_multiple)
+ print_breakpoint_location (b, loc);
+ if (b->loc)
+ *last_loc = b->loc;
+ }
+ }
if (loc != NULL && !header_of_multiple)
{
- struct inferior *inf;
std::vector<int> inf_nums;
int mi_only = 1;
- ALL_INFERIORS (inf)
+ for (inferior *inf : all_inferiors ())
{
if (inf->pspace == loc->pspace)
inf_nums.push_back (inf->num);
/* FIXME: This seems to be redundant and lost here; see the
"stop only in" line a little further down. */
uiout->text (" thread ");
- uiout->field_int ("thread", b->thread);
+ uiout->field_signed ("thread", b->thread);
}
else if (b->task != 0)
{
uiout->text (" task ");
- uiout->field_int ("task", b->task);
+ uiout->field_signed ("task", b->task);
}
}
&& breakpoint_condition_evaluation_mode ()
== condition_evaluation_target)
{
- uiout->text (" (");
- uiout->field_string ("evaluated-by",
- bp_condition_evaluator (b));
- uiout->text (" evals)");
+ uiout->message (" (%pF evals)",
+ string_field ("evaluated-by",
+ bp_condition_evaluator (b)));
}
uiout->text ("\n");
}
/* FIXME should make an annotation for this. */
uiout->text ("\tstop only in thread ");
if (uiout->is_mi_like_p ())
- uiout->field_int ("thread", b->thread);
+ uiout->field_signed ("thread", b->thread);
else
{
struct thread_info *thr = find_thread_global_id (b->thread);
else
uiout->text ("\tbreakpoint");
uiout->text (" already hit ");
- uiout->field_int ("times", b->hit_count);
+ uiout->field_signed ("times", b->hit_count);
if (b->hit_count == 1)
uiout->text (" time\n");
else
{
/* Output the count also if it is zero, but only if this is mi. */
if (uiout->is_mi_like_p ())
- uiout->field_int ("times", b->hit_count);
+ uiout->field_signed ("times", b->hit_count);
}
}
if (!part_of_multiple && b->ignore_count)
{
annotate_field (8);
- uiout->text ("\tignore next ");
- uiout->field_int ("ignore", b->ignore_count);
- uiout->text (" hits\n");
+ uiout->message ("\tignore next %pF hits\n",
+ signed_field ("ignore", b->ignore_count));
}
/* Note that an enable count of 1 corresponds to "enable once"
uiout->text ("additional ");
else
uiout->text ("next ");
- uiout->field_int ("enable", b->enable_count);
+ uiout->field_signed ("enable", b->enable_count);
uiout->text (" hits\n");
}
if (tp->traceframe_usage)
{
uiout->text ("\ttrace buffer usage ");
- uiout->field_int ("traceframe-usage", tp->traceframe_usage);
+ uiout->field_signed ("traceframe-usage", tp->traceframe_usage);
uiout->text (" bytes\n");
}
}
{
annotate_field (10);
uiout->text ("\tpass count ");
- uiout->field_int ("pass", t->pass_count);
+ uiout->field_signed ("pass", t->pass_count);
uiout->text (" \n");
}
}
}
+/* See breakpoint.h. */
+
+bool fix_multi_location_breakpoint_output_globally = false;
+
static void
print_one_breakpoint (struct breakpoint *b,
struct bp_location **last_loc,
int allflag)
{
struct ui_out *uiout = current_uiout;
+ bool use_fixed_output
+ = (uiout->test_flags (fix_multi_location_breakpoint_output)
+ || fix_multi_location_breakpoint_output_globally);
- {
- ui_out_emit_tuple tuple_emitter (uiout, "bkpt");
+ gdb::optional<ui_out_emit_tuple> bkpt_tuple_emitter (gdb::in_place, uiout, "bkpt");
+ print_one_breakpoint_location (b, NULL, 0, last_loc, allflag, false);
- print_one_breakpoint_location (b, NULL, 0, last_loc, allflag);
- }
+ /* The mi2 broken format: the main breakpoint tuple ends here, the locations
+ are outside. */
+ if (!use_fixed_output)
+ bkpt_tuple_emitter.reset ();
/* If this breakpoint has custom print function,
it's already printed. Otherwise, print individual
locations, if any. */
- if (b->ops == NULL || b->ops->print_one == NULL)
+ if (b->ops == NULL
+ || b->ops->print_one == NULL
+ || allflag)
{
/* If breakpoint has a single location that is disabled, we
print it as if it had several locations, since otherwise it's
situation.
Note that while hardware watchpoints have several locations
- internally, that's not a property exposed to user. */
- if (b->loc
- && !is_hardware_watchpoint (b)
- && (b->loc->next || !b->loc->enabled))
- {
- struct bp_location *loc;
- int n = 1;
+ internally, that's not a property exposed to users.
+
+ Likewise, while catchpoints may be implemented with
+ breakpoints (e.g., catch throw), that's not a property
+ exposed to users. We do however display the internal
+ breakpoint locations with "maint info breakpoints". */
+ if (!is_hardware_watchpoint (b)
+ && (!is_catchpoint (b) || is_exception_catchpoint (b)
+ || is_ada_exception_catchpoint (b))
+ && (allflag
+ || (b->loc && (b->loc->next || !b->loc->enabled))))
+ {
+ gdb::optional<ui_out_emit_list> locations_list;
+
+ /* For MI version <= 2, keep the behavior where GDB outputs an invalid
+ MI record. For later versions, place breakpoint locations in a
+ list. */
+ if (uiout->is_mi_like_p () && use_fixed_output)
+ locations_list.emplace (uiout, "locations");
- for (loc = b->loc; loc; loc = loc->next, ++n)
+ int n = 1;
+ for (bp_location *loc = b->loc; loc != NULL; loc = loc->next, ++n)
{
- ui_out_emit_tuple tuple_emitter (uiout, NULL);
- print_one_breakpoint_location (b, loc, n, last_loc, allflag);
+ ui_out_emit_tuple loc_tuple_emitter (uiout, NULL);
+ print_one_breakpoint_location (b, loc, n, last_loc,
+ allflag, allflag);
}
}
}
return b->loc == NULL;
}
-/* Print information on user settable breakpoint (watchpoint, etc)
- number BNUM. If BNUM is -1 print all user-settable breakpoints.
- If ALLFLAG is non-zero, include non-user-settable breakpoints. If
- FILTER is non-NULL, call it on each breakpoint and only include the
- ones for which it returns non-zero. Return the total number of
- breakpoints listed. */
+/* Print information on breakpoints (including watchpoints and tracepoints).
+
+ If non-NULL, BP_NUM_LIST is a list of numbers and number ranges as
+ understood by number_or_range_parser. Only breakpoints included in this
+ list are then printed.
+
+ If SHOW_INTERNAL is true, print internal breakpoints.
+
+ If FILTER is non-NULL, call it on each breakpoint and only include the
+ ones for which it returns true.
+
+ Return the total number of breakpoints listed. */
static int
-breakpoint_1 (const char *args, int allflag,
- int (*filter) (const struct breakpoint *))
+breakpoint_1 (const char *bp_num_list, bool show_internal,
+ bool (*filter) (const struct breakpoint *))
{
struct breakpoint *b;
struct bp_location *last_loc = NULL;
if (filter && !filter (b))
continue;
- /* If we have an "args" string, it is a list of breakpoints to
+ /* If we have a BP_NUM_LIST string, it is a list of breakpoints to
accept. Skip the others. */
- if (args != NULL && *args != '\0')
+ if (bp_num_list != NULL && *bp_num_list != '\0')
{
- if (allflag && parse_and_eval_long (args) != b->number)
+ if (show_internal && parse_and_eval_long (bp_num_list) != b->number)
continue;
- if (!allflag && !number_is_in_list (args, b->number))
+ if (!show_internal && !number_is_in_list (bp_num_list, b->number))
continue;
}
- if (allflag || user_breakpoint_p (b))
+ if (show_internal || user_breakpoint_p (b))
{
int addr_bit, type_len;
if (filter && !filter (b))
continue;
- /* If we have an "args" string, it is a list of breakpoints to
+ /* If we have a BP_NUM_LIST string, it is a list of breakpoints to
accept. Skip the others. */
- if (args != NULL && *args != '\0')
+ if (bp_num_list != NULL && *bp_num_list != '\0')
{
- if (allflag) /* maintenance info breakpoint */
+ if (show_internal) /* maintenance info breakpoint */
{
- if (parse_and_eval_long (args) != b->number)
+ if (parse_and_eval_long (bp_num_list) != b->number)
continue;
}
else /* all others */
{
- if (!number_is_in_list (args, b->number))
+ if (!number_is_in_list (bp_num_list, b->number))
continue;
}
}
/* We only print out user settable breakpoints unless the
- allflag is set. */
- if (allflag || user_breakpoint_p (b))
- print_one_breakpoint (b, &last_loc, allflag);
+ show_internal is set. */
+ if (show_internal || user_breakpoint_p (b))
+ print_one_breakpoint (b, &last_loc, show_internal);
}
}
empty list. */
if (!filter)
{
- if (args == NULL || *args == '\0')
+ if (bp_num_list == NULL || *bp_num_list == '\0')
uiout->message ("No breakpoints or watchpoints.\n");
else
uiout->message ("No breakpoint or watchpoint matching '%s'.\n",
- args);
+ bp_num_list);
}
}
else
static void
info_breakpoints_command (const char *args, int from_tty)
{
- breakpoint_1 (args, 0, NULL);
+ breakpoint_1 (args, false, NULL);
default_collect_info ();
}
static void
info_watchpoints_command (const char *args, int from_tty)
{
- int num_printed = breakpoint_1 (args, 0, is_watchpoint);
+ int num_printed = breakpoint_1 (args, false, is_watchpoint);
struct ui_out *uiout = current_uiout;
if (num_printed == 0)
static void
maintenance_info_breakpoints (const char *args, int from_tty)
{
- breakpoint_1 (args, 1, NULL);
+ breakpoint_1 (args, true, NULL);
default_collect_info ();
}
(others > 1) ? ","
: ((others == 1) ? " and" : ""));
}
- printf_filtered (_("also set at pc "));
- fputs_filtered (paddress (gdbarch, pc), gdb_stdout);
- printf_filtered (".\n");
+ current_uiout->message (_("also set at pc %ps.\n"),
+ styled_string (address_style.style (),
+ paddress (gdbarch, pc)));
}
}
\f
-/* Return true iff it is meaningful to use the address member of
- BPT locations. For some breakpoint types, the locations' address members
- are irrelevant and it makes no sense to attempt to compare them to other
- addresses (or use them for any other purpose either).
+/* Return true iff it is meaningful to use the address member of LOC.
+ For some breakpoint types, the locations' address members are
+ irrelevant and it makes no sense to attempt to compare them to
+ other addresses (or use them for any other purpose either).
- More specifically, each of the following breakpoint types will
- always have a zero valued location address and we don't want to mark
- breakpoints of any of these types to be a duplicate of an actual
- breakpoint location at address zero:
-
- bp_watchpoint
- bp_catchpoint
-
-*/
+ More specifically, software watchpoints and catchpoints that are
+ not backed by breakpoints always have a zero valued location
+ address and we don't want to mark breakpoints of any of these types
+ to be a duplicate of an actual breakpoint location at address
+ zero. */
-static int
-breakpoint_address_is_meaningful (struct breakpoint *bpt)
+static bool
+bl_address_is_meaningful (bp_location *loc)
{
- enum bptype type = bpt->type;
-
- return (type != bp_watchpoint && type != bp_catchpoint);
+ return loc->loc_type != bp_loc_other;
}
/* Assuming LOC1 and LOC2's owners are hardware watchpoints, returns
}
/* Assuming LOC1 and LOC2's types' have meaningful target addresses
- (breakpoint_address_is_meaningful), returns true if LOC1 and LOC2
- represent the same location. */
+ (bl_address_is_meaningful), returns true if LOC1 and LOC2 represent
+ the same location. */
static int
breakpoint_locations_match (struct bp_location *loc1,
}
}
-bp_location::bp_location (const bp_location_ops *ops, breakpoint *owner)
+static bp_loc_type
+bp_location_from_bp_type (bptype type)
{
- bp_location *loc = this;
-
- gdb_assert (ops != NULL);
-
- loc->ops = ops;
- loc->owner = owner;
- loc->cond_bytecode = NULL;
- loc->shlib_disabled = 0;
- loc->enabled = 1;
-
- switch (owner->type)
+ switch (type)
{
case bp_breakpoint:
case bp_single_step:
case bp_gnu_ifunc_resolver:
case bp_gnu_ifunc_resolver_return:
case bp_dprintf:
- loc->loc_type = bp_loc_software_breakpoint;
- mark_breakpoint_location_modified (loc);
- break;
+ return bp_loc_software_breakpoint;
case bp_hardware_breakpoint:
- loc->loc_type = bp_loc_hardware_breakpoint;
- mark_breakpoint_location_modified (loc);
- break;
+ return bp_loc_hardware_breakpoint;
case bp_hardware_watchpoint:
case bp_read_watchpoint:
case bp_access_watchpoint:
- loc->loc_type = bp_loc_hardware_watchpoint;
- break;
+ return bp_loc_hardware_watchpoint;
case bp_watchpoint:
case bp_catchpoint:
case bp_tracepoint:
case bp_fast_tracepoint:
case bp_static_tracepoint:
- loc->loc_type = bp_loc_other;
- break;
+ return bp_loc_other;
default:
internal_error (__FILE__, __LINE__, _("unknown breakpoint type"));
}
+}
+
+bp_location::bp_location (breakpoint *owner, bp_loc_type type)
+{
+ this->owner = owner;
+ this->cond_bytecode = NULL;
+ this->shlib_disabled = 0;
+ this->enabled = 1;
+
+ this->loc_type = type;
+
+ if (this->loc_type == bp_loc_software_breakpoint
+ || this->loc_type == bp_loc_hardware_breakpoint)
+ mark_breakpoint_location_modified (this);
+
+ this->refc = 1;
+}
- loc->refc = 1;
+bp_location::bp_location (breakpoint *owner)
+ : bp_location::bp_location (owner,
+ bp_location_from_bp_type (owner->type))
+{
}
/* Allocate a struct bp_location. */
static void
free_bp_location (struct bp_location *loc)
{
- loc->ops->dtor (loc);
delete loc;
}
return add_to_breakpoint_chain (std::move (b));
}
-/* Initialize loc->function_name. EXPLICIT_LOC says no indirect function
- resolutions should be made as the user specified the location explicitly
- enough. */
+/* Initialize loc->function_name. */
static void
-set_breakpoint_location_function (struct bp_location *loc, int explicit_loc)
+set_breakpoint_location_function (struct bp_location *loc)
{
gdb_assert (loc->owner != NULL);
|| loc->owner->type == bp_hardware_breakpoint
|| is_tracepoint (loc->owner))
{
- int is_gnu_ifunc;
const char *function_name;
- CORE_ADDR func_addr;
-
- find_pc_partial_function_gnu_ifunc (loc->address, &function_name,
- &func_addr, NULL, &is_gnu_ifunc);
- if (is_gnu_ifunc && !explicit_loc)
+ if (loc->msymbol != NULL
+ && (MSYMBOL_TYPE (loc->msymbol) == mst_text_gnu_ifunc
+ || MSYMBOL_TYPE (loc->msymbol) == mst_data_gnu_ifunc))
{
struct breakpoint *b = loc->owner;
- gdb_assert (loc->pspace == current_program_space);
- if (gnu_ifunc_resolve_name (function_name,
- &loc->requested_address))
- {
- /* Recalculate ADDRESS based on new REQUESTED_ADDRESS. */
- loc->address = adjust_breakpoint_address (loc->gdbarch,
- loc->requested_address,
- b->type);
- }
- else if (b->type == bp_breakpoint && b->loc == loc
- && loc->next == NULL && b->related_breakpoint == b)
+ function_name = MSYMBOL_LINKAGE_NAME (loc->msymbol);
+
+ if (b->type == bp_breakpoint && b->loc == loc
+ && loc->next == NULL && b->related_breakpoint == b)
{
/* Create only the whole new breakpoint of this type but do not
mess more complicated breakpoints with multiple locations. */
b->type = bp_gnu_ifunc_resolver;
/* Remember the resolver's address for use by the return
breakpoint. */
- loc->related_address = func_addr;
+ loc->related_address = loc->address;
}
}
+ else
+ find_pc_partial_function (loc->address, &function_name, NULL, NULL);
if (function_name)
loc->function_name = xstrdup (function_name);
new_b = momentary_breakpoint_from_master (b, bp_longjmp_call_dummy,
&momentary_breakpoint_ops,
1);
- new_b->thread = ptid_to_global_thread_id (inferior_ptid);
+ new_b->thread = inferior_thread ()->global_num;
/* Link NEW_B into the chain of RETVAL breakpoints. */
|| frame_find_by_id (dummy_b->frame_id) != NULL)
continue;
- dummy_frame_discard (dummy_b->frame_id, tp->ptid);
+ dummy_frame_discard (dummy_b->frame_id, tp);
while (b->related_breakpoint != b)
{
loc->inserted = 0;
/* This may cause duplicate notifications for the same breakpoint. */
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
if (!disabled_shlib_breaks)
{
}
if (bp_modified)
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
}
static int
insert_catch_fork (struct bp_location *bl)
{
- return target_insert_fork_catchpoint (ptid_get_pid (inferior_ptid));
+ return target_insert_fork_catchpoint (inferior_ptid.pid ());
}
/* Implement the "remove" breakpoint_ops method for fork
static int
remove_catch_fork (struct bp_location *bl, enum remove_bp_reason reason)
{
- return target_remove_fork_catchpoint (ptid_get_pid (inferior_ptid));
+ return target_remove_fork_catchpoint (inferior_ptid.pid ());
}
/* Implement the "breakpoint_hit" breakpoint_ops method for fork
uiout->field_string ("reason", async_reason_lookup (EXEC_ASYNC_FORK));
uiout->field_string ("disp", bpdisp_text (b->disposition));
}
- uiout->field_int ("bkptno", b->number);
+ uiout->field_signed ("bkptno", b->number);
uiout->text (" (forked process ");
- uiout->field_int ("newpid", ptid_get_pid (c->forked_inferior_pid));
+ uiout->field_signed ("newpid", c->forked_inferior_pid.pid ());
uiout->text ("), ");
return PRINT_SRC_AND_LOC;
}
uiout->field_skip ("addr");
annotate_field (5);
uiout->text ("fork");
- if (!ptid_equal (c->forked_inferior_pid, null_ptid))
+ if (c->forked_inferior_pid != null_ptid)
{
uiout->text (", process ");
- uiout->field_int ("what", ptid_get_pid (c->forked_inferior_pid));
+ uiout->field_signed ("what", c->forked_inferior_pid.pid ());
uiout->spaces (1);
}
static int
insert_catch_vfork (struct bp_location *bl)
{
- return target_insert_vfork_catchpoint (ptid_get_pid (inferior_ptid));
+ return target_insert_vfork_catchpoint (inferior_ptid.pid ());
}
/* Implement the "remove" breakpoint_ops method for vfork
static int
remove_catch_vfork (struct bp_location *bl, enum remove_bp_reason reason)
{
- return target_remove_vfork_catchpoint (ptid_get_pid (inferior_ptid));
+ return target_remove_vfork_catchpoint (inferior_ptid.pid ());
}
/* Implement the "breakpoint_hit" breakpoint_ops method for vfork
uiout->field_string ("reason", async_reason_lookup (EXEC_ASYNC_VFORK));
uiout->field_string ("disp", bpdisp_text (b->disposition));
}
- uiout->field_int ("bkptno", b->number);
+ uiout->field_signed ("bkptno", b->number);
uiout->text (" (vforked process ");
- uiout->field_int ("newpid", ptid_get_pid (c->forked_inferior_pid));
+ uiout->field_signed ("newpid", c->forked_inferior_pid.pid ());
uiout->text ("), ");
return PRINT_SRC_AND_LOC;
}
uiout->field_skip ("addr");
annotate_field (5);
uiout->text ("vfork");
- if (!ptid_equal (c->forked_inferior_pid, null_ptid))
+ if (c->forked_inferior_pid != null_ptid)
{
uiout->text (", process ");
- uiout->field_int ("what", ptid_get_pid (c->forked_inferior_pid));
+ uiout->field_signed ("what", c->forked_inferior_pid.pid ());
uiout->spaces (1);
}
{
struct solib_catchpoint *self
= (struct solib_catchpoint *) bs->breakpoint_at;
- int ix;
if (self->is_load)
{
- struct so_list *iter;
-
- for (ix = 0;
- VEC_iterate (so_list_ptr, current_program_space->added_solibs,
- ix, iter);
- ++ix)
+ for (so_list *iter : current_program_space->added_solibs)
{
if (!self->regex
|| self->compiled->exec (iter->so_name, 0, NULL, 0) == 0)
}
else
{
- char *iter;
-
- for (ix = 0;
- VEC_iterate (char_ptr, current_program_space->deleted_solibs,
- ix, iter);
- ++ix)
+ for (const std::string &iter : current_program_space->deleted_solibs)
{
if (!self->regex
- || self->compiled->exec (iter, 0, NULL, 0) == 0)
+ || self->compiled->exec (iter.c_str (), 0, NULL, 0) == 0)
return;
}
}
uiout->text ("Temporary catchpoint ");
else
uiout->text ("Catchpoint ");
- uiout->field_int ("bkptno", b->number);
+ uiout->field_signed ("bkptno", b->number);
uiout->text ("\n");
if (uiout->is_mi_like_p ())
uiout->field_string ("disp", bpdisp_text (b->disposition));
struct solib_catchpoint *self = (struct solib_catchpoint *) b;
struct value_print_options opts;
struct ui_out *uiout = current_uiout;
- char *msg;
get_user_print_options (&opts);
/* Field 4, the address, is omitted (which makes the columns not
uiout->field_skip ("addr");
}
+ std::string msg;
annotate_field (5);
if (self->is_load)
{
if (self->regex)
- msg = xstrprintf (_("load of library matching %s"), self->regex);
+ msg = string_printf (_("load of library matching %s"), self->regex);
else
- msg = xstrdup (_("load of library"));
+ msg = _("load of library");
}
else
{
if (self->regex)
- msg = xstrprintf (_("unload of library matching %s"), self->regex);
+ msg = string_printf (_("unload of library matching %s"), self->regex);
else
- msg = xstrdup (_("unload of library"));
+ msg = _("unload of library");
}
uiout->field_string ("what", msg);
- xfree (msg);
if (uiout->is_mi_like_p ())
uiout->field_string ("catch-type", self->is_load ? "load" : "unload");
set_tracepoint_count (breakpoint_count);
if (!internal)
mention (b);
- observer_notify_breakpoint_created (b);
+ gdb::observers::breakpoint_created.notify (b);
if (update_gll)
update_global_location_list (UGLL_MAY_INSERT);
static int
insert_catch_exec (struct bp_location *bl)
{
- return target_insert_exec_catchpoint (ptid_get_pid (inferior_ptid));
+ return target_insert_exec_catchpoint (inferior_ptid.pid ());
}
static int
remove_catch_exec (struct bp_location *bl, enum remove_bp_reason reason)
{
- return target_remove_exec_catchpoint (ptid_get_pid (inferior_ptid));
+ return target_remove_exec_catchpoint (inferior_ptid.pid ());
}
static int
uiout->field_string ("reason", async_reason_lookup (EXEC_ASYNC_EXEC));
uiout->field_string ("disp", bpdisp_text (b->disposition));
}
- uiout->field_int ("bkptno", b->number);
+ uiout->field_signed ("bkptno", b->number);
uiout->text (" (exec'd ");
uiout->field_string ("new-exec", c->exec_pathname);
uiout->text ("), ");
b->disposition = disp_donttouch;
b->frame_id = frame_id;
- /* If we're debugging a multi-threaded program, then we want
- momentary breakpoints to be active in only a single thread of
- control. */
- if (in_thread_list (inferior_ptid))
- b->thread = ptid_to_global_thread_id (inferior_ptid);
+ b->thread = inferior_thread ()->global_num;
update_global_location_list_nothrow (UGLL_MAY_INSERT);
copy = set_raw_breakpoint_without_location (orig->gdbarch, type, ops);
copy->loc = allocate_bp_location (copy);
- set_breakpoint_location_function (copy->loc, 1);
+ set_breakpoint_location_function (copy->loc);
copy->loc->gdbarch = orig->loc->gdbarch;
copy->loc->requested_address = orig->loc->requested_address;
mention (struct breakpoint *b)
{
b->ops->print_mention (b);
- if (current_uiout->is_mi_like_p ())
- return;
- printf_filtered ("\n");
+ current_uiout->text ("\n");
}
\f
loc->line_number = sal->line;
loc->symtab = sal->symtab;
loc->symbol = sal->symbol;
+ loc->msymbol = sal->msymbol;
+ loc->objfile = sal->objfile;
- set_breakpoint_location_function (loc,
- sal->explicit_pc || sal->explicit_line);
+ set_breakpoint_location_function (loc);
/* While by definition, permanent breakpoints are already present in the
code, we don't mark the location as inserted. Normally one would expect
{
gdb_assert (loc != NULL);
- /* If we have a catchpoint or a watchpoint, just return 0. We should not
- attempt to read from the addresses the locations of these breakpoint types
- point to. program_breakpoint_here_p, below, will attempt to read
+ /* If we have a non-breakpoint-backed catchpoint or a software
+ watchpoint, just return 0. We should not attempt to read from
+ the addresses the locations of these breakpoint types point to.
+ program_breakpoint_here_p, below, will attempt to read
memory. */
- if (!breakpoint_address_is_meaningful (loc->owner))
+ if (!bl_address_is_meaningful (loc))
return 0;
scoped_restore_current_pspace_and_thread restore_pspace_thread;
_("Invalid dprintf style."));
gdb_assert (printf_line != NULL);
- /* Manufacture a printf sequence. */
- {
- struct command_line *printf_cmd_line = XNEW (struct command_line);
- printf_cmd_line->control_type = simple_control;
- printf_cmd_line->body_count = 0;
- printf_cmd_line->body_list = NULL;
- printf_cmd_line->next = NULL;
- printf_cmd_line->line = printf_line;
-
- breakpoint_set_commands (b, command_line_up (printf_cmd_line));
- }
+ /* Manufacture a printf sequence. */
+ struct command_line *printf_cmd_line
+ = new struct command_line (simple_control, printf_line);
+ breakpoint_set_commands (b, counted_command_line (printf_cmd_line,
+ command_lines_deleter ()));
}
/* Update all dprintf commands, making their command lists reflect
const char *p
= &event_location_to_string (b->location.get ())[3];
const char *endp;
- char *marker_str;
p = skip_spaces (p);
endp = skip_to_space (p);
- marker_str = savestring (p, endp - p);
- t->static_trace_marker_id = marker_str;
+ t->static_trace_marker_id.assign (p, endp - p);
printf_filtered (_("Probed static tracepoint "
"marker \"%s\"\n"),
- t->static_trace_marker_id);
+ t->static_trace_marker_id.c_str ());
}
else if (target_static_tracepoint_marker_at (sal.pc, &marker))
{
- t->static_trace_marker_id = xstrdup (marker.str_id);
- release_static_tracepoint_marker (&marker);
+ t->static_trace_marker_id = std::move (marker.str_id);
printf_filtered (_("Probed static tracepoint "
"marker \"%s\"\n"),
- t->static_trace_marker_id);
+ t->static_trace_marker_id.c_str ());
}
else
warning (_("Couldn't determine the static "
b->location = std::move (location);
else
b->location = new_address_location (b->loc->address, NULL, 0);
- b->filter = filter.release ();
+ b->filter = std::move (filter);
}
static void
check_fast_tracepoint_sals (struct gdbarch *gdbarch,
gdb::array_view<const symtab_and_line> sals)
{
- int rslt;
- char *msg;
- struct cleanup *old_chain;
-
for (const auto &sal : sals)
{
struct gdbarch *sarch;
associated with SAL. */
if (sarch == NULL)
sarch = gdbarch;
- rslt = gdbarch_fast_tracepoint_valid_at (sarch, sal.pc, &msg);
- old_chain = make_cleanup (xfree, msg);
-
- if (!rslt)
+ std::string msg;
+ if (!gdbarch_fast_tracepoint_valid_at (sarch, sal.pc, &msg))
error (_("May not have a fast tracepoint at %s%s"),
- paddress (sarch, sal.pc), (msg ? msg : ""));
-
- do_cleanups (old_chain);
+ paddress (sarch, sal.pc), msg.c_str ());
}
}
static std::vector<symtab_and_line>
decode_static_tracepoint_spec (const char **arg_p)
{
- VEC(static_tracepoint_marker_p) *markers = NULL;
const char *p = &(*arg_p)[3];
const char *endp;
- int i;
p = skip_spaces (p);
std::string marker_str (p, endp - p);
- markers = target_static_tracepoint_markers_by_strid (marker_str.c_str ());
- if (VEC_empty(static_tracepoint_marker_p, markers))
+ std::vector<static_tracepoint_marker> markers
+ = target_static_tracepoint_markers_by_strid (marker_str.c_str ());
+ if (markers.empty ())
error (_("No known static tracepoint marker named %s"),
marker_str.c_str ());
std::vector<symtab_and_line> sals;
- sals.reserve (VEC_length(static_tracepoint_marker_p, markers));
+ sals.reserve (markers.size ());
- for (i = 0; i < VEC_length(static_tracepoint_marker_p, markers); i++)
+ for (const static_tracepoint_marker &marker : markers)
{
- struct static_tracepoint_marker *marker;
-
- marker = VEC_index (static_tracepoint_marker_p, markers, i);
-
- symtab_and_line sal = find_pc_line (marker->address, 0);
- sal.pc = marker->address;
+ symtab_and_line sal = find_pc_line (marker.address, 0);
+ sal.pc = marker.address;
sals.push_back (sal);
-
- release_static_tracepoint_marker (marker);
- }
+ }
*arg_p = endp;
return sals;
unsigned flags)
{
struct linespec_result canonical;
- struct cleanup *bkpt_chain = NULL;
int pending = 0;
int task = 0;
int prev_bkpt_count = breakpoint_count;
if (extra_string != NULL && *extra_string == '\0')
extra_string = NULL;
- TRY
+ try
{
ops->create_sals_from_location (location, &canonical, type_wanted);
}
- CATCH (e, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &e)
{
/* If caller is interested in rc value from parse, set
value. */
error. */
if (pending_break_support == AUTO_BOOLEAN_FALSE)
- throw_exception (e);
+ throw;
exception_print (gdb_stderr, e);
pending = 1;
}
else
- throw_exception (e);
+ throw;
}
- END_CATCH
if (!pending && canonical.lsals.empty ())
return 0;
- /* ----------------------------- SNIP -----------------------------
- Anything added to the cleanup chain beyond this point is assumed
- to be part of a breakpoint. If the breakpoint create succeeds
- then the memory is not reclaimed. */
- bkpt_chain = make_cleanup (null_cleanup, 0);
-
/* Resolve all line numbers to PC's and verify that the addresses
are ok for the target. */
if (!pending)
prev_breakpoint_count = prev_bkpt_count;
}
- /* That's it. Discard the cleanups for data inserted into the
- breakpoint. */
- discard_cleanups (bkpt_chain);
-
- /* error call may happen here - have BKPT_CHAIN already discarded. */
update_global_location_list (UGLL_MAY_INSERT);
return 1;
{
int badInput = 0;
- if (arg == (char *) NULL)
+ if (arg == NULL)
badInput = 1;
else if (*arg != '*')
{
{
int badInput = 0;
- if (arg == (char *) NULL || *arg == '*') /* no line number */
+ if (arg == NULL || *arg == '*') /* no line number */
badInput = 1;
else
{
}
if (badInput)
- printf_filtered (_("Usage: stop at <line>\n"));
+ printf_filtered (_("Usage: stop at LINE\n"));
else
break_command_1 (arg, 0, from_tty);
}
async_reason_lookup (EXEC_ASYNC_BREAKPOINT_HIT));
uiout->field_string ("disp", bpdisp_text (b->disposition));
}
- uiout->field_int ("bkptno", b->number);
+ uiout->field_signed ("bkptno", b->number);
uiout->text (", ");
return PRINT_SRC_AND_LOC;
gdb_assert (bl);
gdb_assert (b->type == bp_hardware_breakpoint);
- if (uiout->is_mi_like_p ())
- return;
-
- printf_filtered (_("Hardware assisted ranged breakpoint %d from %s to %s."),
- b->number, paddress (bl->gdbarch, bl->address),
- paddress (bl->gdbarch, bl->address + bl->length - 1));
+ uiout->message (_("Hardware assisted ranged breakpoint %d from %s to %s."),
+ b->number, paddress (bl->gdbarch, bl->address),
+ paddress (bl->gdbarch, bl->address + bl->length - 1));
}
/* Implement the "print_recreate" breakpoint_ops method for
b->loc->length = length;
mention (b);
- observer_notify_breakpoint_created (b);
+ gdb::observers::breakpoint_created.notify (b);
update_global_location_list (UGLL_MAY_INSERT);
}
{
xfree (this->exp_string);
xfree (this->exp_string_reparse);
- value_free (this->val);
}
/* Implement the "re_set" breakpoint_ops method for watchpoints. */
mention (b);
tuple_emitter.emplace (uiout, "value");
uiout->text ("\nOld value = ");
- watchpoint_value_print (bs->old_val, &stb);
+ watchpoint_value_print (bs->old_val.get (), &stb);
uiout->field_stream ("old", stb);
uiout->text ("\nNew value = ");
- watchpoint_value_print (w->val, &stb);
+ watchpoint_value_print (w->val.get (), &stb);
uiout->field_stream ("new", stb);
uiout->text ("\n");
/* More than one watchpoint may have been triggered. */
mention (b);
tuple_emitter.emplace (uiout, "value");
uiout->text ("\nValue = ");
- watchpoint_value_print (w->val, &stb);
+ watchpoint_value_print (w->val.get (), &stb);
uiout->field_stream ("value", stb);
uiout->text ("\n");
result = PRINT_UNKNOWN;
mention (b);
tuple_emitter.emplace (uiout, "value");
uiout->text ("\nOld value = ");
- watchpoint_value_print (bs->old_val, &stb);
+ watchpoint_value_print (bs->old_val.get (), &stb);
uiout->field_stream ("old", stb);
uiout->text ("\nNew value = ");
}
tuple_emitter.emplace (uiout, "value");
uiout->text ("\nValue = ");
}
- watchpoint_value_print (w->val, &stb);
+ watchpoint_value_print (w->val.get (), &stb);
uiout->field_stream ("new", stb);
uiout->text ("\n");
result = PRINT_UNKNOWN;
}
ui_out_emit_tuple tuple_emitter (uiout, tuple_name);
- uiout->field_int ("number", b->number);
+ uiout->field_signed ("number", b->number);
uiout->text (": ");
uiout->field_string ("exp", w->exp_string);
}
}
ui_out_emit_tuple tuple_emitter (uiout, tuple_name);
- uiout->field_int ("number", b->number);
+ uiout->field_signed ("number", b->number);
uiout->text (": ");
uiout->field_string ("exp", w->exp_string);
}
/* Tell whether the given watchpoint is a masked hardware watchpoint. */
-static int
+static bool
is_masked_watchpoint (const struct breakpoint *b)
{
return b->ops == &masked_watchpoint_breakpoint_ops;
{
struct breakpoint *scope_breakpoint = NULL;
const struct block *exp_valid_block = NULL, *cond_exp_valid_block = NULL;
- struct value *val, *mark, *result;
+ struct value *result;
int saved_bitpos = 0, saved_bitsize = 0;
const char *exp_start = NULL;
const char *exp_end = NULL;
/* Parse the rest of the arguments. From here on out, everything
is in terms of a newly allocated string instead of the original
ARG. */
- innermost_block = NULL;
std::string expression (arg, exp_end - arg);
exp_start = arg = expression.c_str ();
- expression_up exp = parse_exp_1 (&arg, 0, 0, 0);
+ innermost_block_tracker tracker;
+ expression_up exp = parse_exp_1 (&arg, 0, 0, 0, &tracker);
exp_end = arg;
/* Remove trailing whitespace from the expression before saving it.
This makes the eventual display of the expression string a bit
error (_("Cannot watch constant value `%.*s'."), len, exp_start);
}
- exp_valid_block = innermost_block;
- mark = value_mark ();
- fetch_subexp_value (exp.get (), &pc, &val, &result, NULL, just_location);
+ exp_valid_block = tracker.block ();
+ struct value *mark = value_mark ();
+ struct value *val_as_value = nullptr;
+ fetch_subexp_value (exp.get (), &pc, &val_as_value, &result, NULL,
+ just_location);
- if (val != NULL && just_location)
+ if (val_as_value != NULL && just_location)
{
- saved_bitpos = value_bitpos (val);
- saved_bitsize = value_bitsize (val);
+ saved_bitpos = value_bitpos (val_as_value);
+ saved_bitsize = value_bitsize (val_as_value);
}
+ value_ref_ptr val;
if (just_location)
{
int ret;
exp_valid_block = NULL;
- val = value_addr (result);
- release_value (val);
+ val = release_value (value_addr (result));
value_free_to_mark (mark);
if (use_mask)
{
- ret = target_masked_watch_num_registers (value_as_address (val),
+ ret = target_masked_watch_num_registers (value_as_address (val.get ()),
mask);
if (ret == -1)
error (_("This target does not support masked watchpoints."));
error (_("Invalid mask or memory region."));
}
}
- else if (val != NULL)
- release_value (val);
+ else if (val_as_value != NULL)
+ val = release_value (val_as_value);
tok = skip_spaces (arg);
end_tok = skip_to_space (tok);
toklen = end_tok - tok;
if (toklen >= 1 && strncmp (tok, "if", toklen) == 0)
{
- innermost_block = NULL;
tok = cond_start = end_tok + 1;
- parse_exp_1 (&tok, 0, 0, 0);
+ innermost_block_tracker if_tracker;
+ parse_exp_1 (&tok, 0, 0, 0, &if_tracker);
/* The watchpoint expression may not be local, but the condition
may still be. E.g.: `watch global if local > 0'. */
- cond_exp_valid_block = innermost_block;
+ cond_exp_valid_block = if_tracker.block ();
cond_end = tok;
}
w->cond_exp_valid_block = cond_exp_valid_block;
if (just_location)
{
- struct type *t = value_type (val);
- CORE_ADDR addr = value_as_address (val);
+ struct type *t = value_type (val.get ());
+ CORE_ADDR addr = value_as_address (val.get ());
w->exp_string_reparse
= current_language->la_watch_location_expression (t, addr).release ();
w->val = val;
w->val_bitpos = saved_bitpos;
w->val_bitsize = saved_bitsize;
- w->val_valid = 1;
+ w->val_valid = true;
}
if (cond_start)
If the watchpoint cannot be handled in hardware return zero. */
static int
-can_use_hardware_watchpoint (struct value *v)
+can_use_hardware_watchpoint (const std::vector<value_ref_ptr> &vals)
{
int found_memory_cnt = 0;
- struct value *head = v;
/* Did the user specifically forbid us to use hardware watchpoints? */
if (!can_use_hw_watchpoints)
return 0;
+ gdb_assert (!vals.empty ());
+ struct value *head = vals[0].get ();
+
/* Make sure that the value of the expression depends only upon
memory contents, and values computed from them within GDB. If we
find any register references or function calls, we can't use a
function calls are special in any way. So this function may not
notice that an expression involving an inferior function call
can't be watched with hardware watchpoints. FIXME. */
- for (; v; v = value_next (v))
+ for (const value_ref_ptr &iter : vals)
{
+ struct value *v = iter.get ();
+
if (VALUE_LVAL (v) == lval_memory)
{
if (v != head && value_lazy (v))
if (arg
&& (check_for_argument (&arg, "-location", sizeof ("-location") - 1)
|| check_for_argument (&arg, "-l", sizeof ("-l") - 1)))
- {
- arg = skip_spaces (arg);
- just_location = 1;
- }
+ just_location = 1;
watch_command_1 (arg, accessflag, from_tty, just_location, 0);
}
in infcmd.c. Here because it uses the mechanisms of
breakpoints. */
-struct until_break_fsm
+struct until_break_fsm : public thread_fsm
{
- /* The base class. */
- struct thread_fsm thread_fsm;
-
- /* The thread that as current when the command was executed. */
+ /* The thread that was current when the command was executed. */
int thread;
/* The breakpoint set at the destination location. */
- struct breakpoint *location_breakpoint;
+ breakpoint_up location_breakpoint;
/* Breakpoint set at the return address in the caller frame. May be
NULL. */
- struct breakpoint *caller_breakpoint;
-};
-
-static void until_break_fsm_clean_up (struct thread_fsm *self,
- struct thread_info *thread);
-static int until_break_fsm_should_stop (struct thread_fsm *self,
- struct thread_info *thread);
-static enum async_reply_reason
- until_break_fsm_async_reply_reason (struct thread_fsm *self);
+ breakpoint_up caller_breakpoint;
-/* until_break_fsm's vtable. */
+ until_break_fsm (struct interp *cmd_interp, int thread,
+ breakpoint_up &&location_breakpoint,
+ breakpoint_up &&caller_breakpoint)
+ : thread_fsm (cmd_interp),
+ thread (thread),
+ location_breakpoint (std::move (location_breakpoint)),
+ caller_breakpoint (std::move (caller_breakpoint))
+ {
+ }
-static struct thread_fsm_ops until_break_fsm_ops =
-{
- NULL, /* dtor */
- until_break_fsm_clean_up,
- until_break_fsm_should_stop,
- NULL, /* return_value */
- until_break_fsm_async_reply_reason,
+ void clean_up (struct thread_info *thread) override;
+ bool should_stop (struct thread_info *thread) override;
+ enum async_reply_reason do_async_reply_reason () override;
};
-/* Allocate a new until_break_command_fsm. */
-
-static struct until_break_fsm *
-new_until_break_fsm (struct interp *cmd_interp, int thread,
- breakpoint_up &&location_breakpoint,
- breakpoint_up &&caller_breakpoint)
-{
- struct until_break_fsm *sm;
-
- sm = XCNEW (struct until_break_fsm);
- thread_fsm_ctor (&sm->thread_fsm, &until_break_fsm_ops, cmd_interp);
-
- sm->thread = thread;
- sm->location_breakpoint = location_breakpoint.release ();
- sm->caller_breakpoint = caller_breakpoint.release ();
-
- return sm;
-}
-
/* Implementation of the 'should_stop' FSM method for the
until(location)/advance commands. */
-static int
-until_break_fsm_should_stop (struct thread_fsm *self,
- struct thread_info *tp)
+bool
+until_break_fsm::should_stop (struct thread_info *tp)
{
- struct until_break_fsm *sm = (struct until_break_fsm *) self;
-
if (bpstat_find_breakpoint (tp->control.stop_bpstat,
- sm->location_breakpoint) != NULL
- || (sm->caller_breakpoint != NULL
+ location_breakpoint.get ()) != NULL
+ || (caller_breakpoint != NULL
&& bpstat_find_breakpoint (tp->control.stop_bpstat,
- sm->caller_breakpoint) != NULL))
- thread_fsm_set_finished (self);
+ caller_breakpoint.get ()) != NULL))
+ set_finished ();
- return 1;
+ return true;
}
/* Implementation of the 'clean_up' FSM method for the
until(location)/advance commands. */
-static void
-until_break_fsm_clean_up (struct thread_fsm *self,
- struct thread_info *thread)
+void
+until_break_fsm::clean_up (struct thread_info *)
{
- struct until_break_fsm *sm = (struct until_break_fsm *) self;
-
/* Clean up our temporary breakpoints. */
- if (sm->location_breakpoint != NULL)
- {
- delete_breakpoint (sm->location_breakpoint);
- sm->location_breakpoint = NULL;
- }
- if (sm->caller_breakpoint != NULL)
- {
- delete_breakpoint (sm->caller_breakpoint);
- sm->caller_breakpoint = NULL;
- }
- delete_longjmp_breakpoint (sm->thread);
+ location_breakpoint.reset ();
+ caller_breakpoint.reset ();
+ delete_longjmp_breakpoint (thread);
}
/* Implementation of the 'async_reply_reason' FSM method for the
until(location)/advance commands. */
-static enum async_reply_reason
-until_break_fsm_async_reply_reason (struct thread_fsm *self)
+enum async_reply_reason
+until_break_fsm::do_async_reply_reason ()
{
return EXEC_ASYNC_LOCATION_REACHED;
}
struct gdbarch *frame_gdbarch;
struct frame_id stack_frame_id;
struct frame_id caller_frame_id;
- struct cleanup *old_chain;
int thread;
struct thread_info *tp;
- struct until_break_fsm *sm;
clear_proceed_status (0);
get_last_displayed_symtab (),
get_last_displayed_line ())
: decode_line_1 (location.get (), DECODE_LINE_FUNFIRSTLINE,
- NULL, (struct symtab *) NULL, 0));
+ NULL, NULL, 0));
if (sals.size () != 1)
error (_("Couldn't get information on specified line."));
tp = inferior_thread ();
thread = tp->global_num;
- old_chain = make_cleanup (null_cleanup, NULL);
-
/* Note linespec handling above invalidates the frame chain.
Installing a breakpoint also invalidates the frame chain (as it
may need to switch threads), so do any frame handling before
one. */
breakpoint_up caller_breakpoint;
+
+ gdb::optional<delete_longjmp_breakpoint_cleanup> lj_deleter;
+
if (frame_id_p (caller_frame_id))
{
struct symtab_and_line sal2;
bp_until);
set_longjmp_breakpoint (tp, caller_frame_id);
- make_cleanup (delete_longjmp_breakpoint_cleanup, &thread);
+ lj_deleter.emplace (thread);
}
/* set_momentary_breakpoint could invalidate FRAME. */
location_breakpoint = set_momentary_breakpoint (frame_gdbarch, sal,
stack_frame_id, bp_until);
- sm = new_until_break_fsm (command_interp (), tp->global_num,
- std::move (location_breakpoint),
- std::move (caller_breakpoint));
- tp->thread_fsm = &sm->thread_fsm;
+ tp->thread_fsm = new until_break_fsm (command_interp (), tp->global_num,
+ std::move (location_breakpoint),
+ std::move (caller_breakpoint));
- discard_cleanups (old_chain);
+ if (lj_deleter)
+ lj_deleter->release ();
proceed (-1, GDB_SIGNAL_DEFAULT);
}
enough for now, though. */
}
- init_raw_breakpoint (b, gdbarch, sal, bp_breakpoint, ops);
+ init_raw_breakpoint (b, gdbarch, sal, bp_catchpoint, ops);
b->enable_state = enabled ? bp_enabled : bp_disabled;
b->disposition = tempflag ? disp_del : disp_donttouch;
/* Remove duplicates from the vec. */
std::sort (found.begin (), found.end (),
- [] (const breakpoint *a, const breakpoint *b)
+ [] (const breakpoint *bp_a, const breakpoint *bp_b)
{
- return compare_breakpoints (a, b) < 0;
+ return compare_breakpoints (bp_a, bp_b) < 0;
});
found.erase (std::unique (found.begin (), found.end (),
- [] (const breakpoint *a, const breakpoint *b)
+ [] (const breakpoint *bp_a, const breakpoint *bp_b)
{
- return compare_breakpoints (a, b) == 0;
+ return compare_breakpoints (bp_a, bp_b) == 0;
}),
found.end ());
/* A comparison function for bp_location AP and BP being interfaced to
qsort. Sort elements primarily by their ADDRESS (no matter what
- does breakpoint_address_is_meaningful say for its OWNER),
- secondarily by ordering first permanent elements and
- terciarily just ensuring the array is sorted stable way despite
- qsort being an unstable algorithm. */
+ bl_address_is_meaningful says), secondarily by ordering first
+ permanent elements and terciarily just ensuring the array is sorted
+ stable way despite qsort being an unstable algorithm. */
static int
bp_locations_compare (const void *ap, const void *bp)
t = (struct tracepoint *) b;
t->number_on_target = b->number;
if (bp_location_downloaded)
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
}
this one from the target. */
/* OLD_LOC comes from existing struct breakpoint. */
- if (breakpoint_address_is_meaningful (old_loc->owner))
+ if (bl_address_is_meaningful (old_loc))
{
for (loc2p = locp;
(loc2p < bp_locations + bp_locations_count
old_loc->events_till_retirement = 3 * (thread_count () + 1);
old_loc->owner = NULL;
- VEC_safe_push (bp_location_p, moribund_locations, old_loc);
+ moribund_locations.push_back (old_loc);
}
else
{
b = loc->owner;
if (!unduplicated_should_be_inserted (loc)
- || !breakpoint_address_is_meaningful (b)
+ || !bl_address_is_meaningful (loc)
/* Don't detect duplicate for tracepoint locations because they are
never duplicated. See the comments in field `duplicate' of
`struct bp_location'. */
void
breakpoint_retire_moribund (void)
{
- struct bp_location *loc;
- int ix;
-
- for (ix = 0; VEC_iterate (bp_location_p, moribund_locations, ix, loc); ++ix)
- if (--(loc->events_till_retirement) == 0)
- {
- decref_bp_location (&loc);
- VEC_unordered_remove (bp_location_p, moribund_locations, ix);
- --ix;
- }
+ for (int ix = 0; ix < moribund_locations.size (); ++ix)
+ {
+ struct bp_location *loc = moribund_locations[ix];
+ if (--(loc->events_till_retirement) == 0)
+ {
+ decref_bp_location (&loc);
+ unordered_remove (moribund_locations, ix);
+ --ix;
+ }
+ }
}
static void
update_global_location_list_nothrow (enum ugll_insert_mode insert_mode)
{
- TRY
+ try
{
update_global_location_list (insert_mode);
}
- CATCH (e, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &e)
{
}
- END_CATCH
}
/* Clear BKP from a BPS. */
else
{
if (opts.addressprint || b->loc->symtab == NULL)
- {
- printf_filtered (" at ");
- fputs_filtered (paddress (b->loc->gdbarch, b->loc->address),
- gdb_stdout);
- }
+ printf_filtered (" at %ps",
+ styled_string (address_style.style (),
+ paddress (b->loc->gdbarch,
+ b->loc->address)));
if (b->loc->symtab != NULL)
{
/* If there is a single location, we can print the location
more nicely. */
if (b->loc->next == NULL)
- printf_filtered (": file %s, line %d.",
- symtab_to_filename_for_display (b->loc->symtab),
- b->loc->line_number);
+ {
+ const char *filename
+ = symtab_to_filename_for_display (b->loc->symtab);
+ printf_filtered (": file %ps, line %d.",
+ styled_string (file_name_style.style (),
+ filename),
+ b->loc->line_number);
+ }
else
/* This is not ideal, but each location may have a
different file name, and this at least reflects the
}
}
-/* Default bp_location_ops methods. */
-
-static void
-bp_location_dtor (struct bp_location *self)
+bp_location::~bp_location ()
{
- xfree (self->function_name);
+ xfree (function_name);
}
-static const struct bp_location_ops bp_location_ops =
-{
- bp_location_dtor
-};
-
/* Destructor for the breakpoint base class. */
breakpoint::~breakpoint ()
{
xfree (this->cond_string);
xfree (this->extra_string);
- xfree (this->filter);
}
static struct bp_location *
base_breakpoint_allocate_location (struct breakpoint *self)
{
- return new bp_location (&bp_location_ops, self);
+ return new bp_location (self);
}
static void
annotate_breakpoint (b->number);
maybe_print_thread_hit_breakpoint (uiout);
- if (bp_temp)
- uiout->text ("Temporary breakpoint ");
- else
- uiout->text ("Breakpoint ");
if (uiout->is_mi_like_p ())
{
uiout->field_string ("reason",
async_reason_lookup (EXEC_ASYNC_BREAKPOINT_HIT));
uiout->field_string ("disp", bpdisp_text (b->disposition));
}
- uiout->field_int ("bkptno", b->number);
- uiout->text (", ");
+ if (bp_temp)
+ uiout->message ("Temporary breakpoint %pF, ",
+ signed_field ("bkptno", b->number));
+ else
+ uiout->message ("Breakpoint %pF, ",
+ signed_field ("bkptno", b->number));
return PRINT_SRC_AND_LOC;
}
struct ui_out *uiout)
{
struct tracepoint *tp = (struct tracepoint *) self;
- if (tp->static_trace_marker_id)
+ if (!tp->static_trace_marker_id.empty ())
{
gdb_assert (self->type == bp_static_tracepoint);
- uiout->text ("\tmarker id is ");
- uiout->field_string ("static-tracepoint-marker-string-id",
- tp->static_trace_marker_id);
- uiout->text ("\n");
+ uiout->message ("\tmarker id is %pF\n",
+ string_field ("static-tracepoint-marker-string-id",
+ tp->static_trace_marker_id.c_str ()));
}
}
return sals;
}
else
- error (_("marker %s not found"), tp->static_trace_marker_id);
+ error (_("marker %s not found"), tp->static_trace_marker_id.c_str ());
}
static struct breakpoint_ops strace_marker_breakpoint_ops;
a problem in that process, we'll be asked to delete the half-created
watchpoint. In that case, don't announce the deletion. */
if (bpt->number)
- observer_notify_breakpoint_deleted (bpt);
+ gdb::observers::breakpoint_deleted.notify (bpt);
if (breakpoint_chain == bpt)
breakpoint_chain = bpt->next;
}
else
map_breakpoint_numbers
- (arg, [&] (breakpoint *b)
+ (arg, [&] (breakpoint *br)
{
- iterate_over_related_breakpoints (b, delete_breakpoint);
+ iterate_over_related_breakpoints (br, delete_breakpoint);
});
}
ambiguous_names_p (struct bp_location *loc)
{
struct bp_location *l;
- htab_t htab = htab_create_alloc (13, htab_hash_string,
- (int (*) (const void *,
- const void *)) streq,
- NULL, xcalloc, xfree);
+ htab_t htab = htab_create_alloc (13, htab_hash_string, streq_hash, NULL,
+ xcalloc, xfree);
for (l = loc; l != NULL; l = l->next)
{
if (target_static_tracepoint_marker_at (pc, &marker))
{
- if (strcmp (tp->static_trace_marker_id, marker.str_id) != 0)
+ if (tp->static_trace_marker_id != marker.str_id)
warning (_("static tracepoint %d changed probed marker from %s to %s"),
- b->number,
- tp->static_trace_marker_id, marker.str_id);
+ b->number, tp->static_trace_marker_id.c_str (),
+ marker.str_id.c_str ());
- xfree (tp->static_trace_marker_id);
- tp->static_trace_marker_id = xstrdup (marker.str_id);
- release_static_tracepoint_marker (&marker);
+ tp->static_trace_marker_id = std::move (marker.str_id);
return sal;
}
if (!sal.explicit_pc
&& sal.line != 0
&& sal.symtab != NULL
- && tp->static_trace_marker_id != NULL)
+ && !tp->static_trace_marker_id.empty ())
{
- VEC(static_tracepoint_marker_p) *markers;
-
- markers
- = target_static_tracepoint_markers_by_strid (tp->static_trace_marker_id);
+ std::vector<static_tracepoint_marker> markers
+ = target_static_tracepoint_markers_by_strid
+ (tp->static_trace_marker_id.c_str ());
- if (!VEC_empty(static_tracepoint_marker_p, markers))
+ if (!markers.empty ())
{
struct symbol *sym;
struct static_tracepoint_marker *tpmarker;
struct ui_out *uiout = current_uiout;
struct explicit_location explicit_loc;
- tpmarker = VEC_index (static_tracepoint_marker_p, markers, 0);
+ tpmarker = &markers[0];
- xfree (tp->static_trace_marker_id);
- tp->static_trace_marker_id = xstrdup (tpmarker->str_id);
+ tp->static_trace_marker_id = std::move (tpmarker->str_id);
warning (_("marker for static tracepoint %d (%s) not "
"found at previous line number"),
- b->number, tp->static_trace_marker_id);
+ b->number, tp->static_trace_marker_id.c_str ());
symtab_and_line sal2 = find_pc_line (tpmarker->address, 0);
sym = find_pc_sect_function (tpmarker->address, NULL);
uiout->text ("Now in ");
if (sym)
{
- uiout->field_string ("func", SYMBOL_PRINT_NAME (sym));
+ uiout->field_string ("func", SYMBOL_PRINT_NAME (sym),
+ function_name_style.style ());
uiout->text (" at ");
}
uiout->field_string ("file",
- symtab_to_filename_for_display (sal2.symtab));
+ symtab_to_filename_for_display (sal2.symtab),
+ file_name_style.style ());
uiout->text (":");
if (uiout->is_mi_like_p ())
uiout->field_string ("fullname", fullname);
}
- uiout->field_int ("line", sal2.line);
+ uiout->field_signed ("line", sal2.line);
uiout->text ("\n");
b->loc->line_number = sal2.line;
/* Might be nice to check if function changed, and warn if
so. */
-
- release_static_tracepoint_marker (tpmarker);
}
}
return sal;
const char *s;
s = b->cond_string;
- TRY
+ try
{
new_loc->cond = parse_exp_1 (&s, sal.pc,
block_for_pc (sal.pc),
0);
}
- CATCH (e, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &e)
{
warning (_("failed to reevaluate condition "
"for breakpoint %d: %s"),
- b->number, e.message);
+ b->number, e.what ());
new_loc->enabled = 0;
}
- END_CATCH
}
if (!sals_end.empty ())
}
if (!locations_are_equal (existing_locations, b->loc))
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
/* Find the SaL locations corresponding to the given LOCATION.
location_to_sals (struct breakpoint *b, struct event_location *location,
struct program_space *search_pspace, int *found)
{
- struct gdb_exception exception = exception_none;
+ struct gdb_exception exception;
gdb_assert (b->ops != NULL);
std::vector<symtab_and_line> sals;
- TRY
+ try
{
sals = b->ops->decode_location (b, location, search_pspace);
}
- CATCH (e, RETURN_MASK_ERROR)
+ catch (gdb_exception_error &e)
{
int not_found_and_ok = 0;
- exception = e;
-
/* For pending breakpoints, it's expected that parsing will
fail until the right shared library is loaded. User has
already told to create pending breakpoints and don't need
happens only when a binary has changed, I don't know
which approach is better. */
b->enable_state = bp_disabled;
- throw_exception (e);
+ throw;
}
+
+ exception = std::move (e);
}
- END_CATCH
if (exception.reason == 0 || exception.error != NOT_FOUND_ERROR)
{
struct linespec_result canonical;
decode_line_full (location, DECODE_LINE_FUNFIRSTLINE, search_pspace,
- (struct symtab *) NULL, 0,
- &canonical, multiple_symbols_all,
- b->filter);
+ NULL, 0, &canonical, multiple_symbols_all,
+ b->filter.get ());
/* We should get 0 or 1 resulting SALs. */
gdb_assert (canonical.lsals.size () < 2);
scoped_restore save_input_radix = make_scoped_restore (&input_radix);
scoped_restore_current_pspace_and_thread restore_pspace_thread;
+ /* breakpoint_re_set_one sets the current_language to the language
+ of the breakpoint it is resetting (see prepare_re_set_context)
+ before re-evaluating the breakpoint's location. This change can
+ unfortunately get undone by accident if the language_mode is set
+ to auto, and we either switch frames, or more likely in this context,
+ we select the current frame.
+
+ We prevent this by temporarily turning the language_mode to
+ language_mode_manual. We restore it once all breakpoints
+ have been reset. */
+ scoped_restore save_language_mode = make_scoped_restore (&language_mode);
+ language_mode = language_mode_manual;
+
/* Note: we must not try to insert locations until after all
breakpoints have been re-set. Otherwise, e.g., when re-setting
breakpoint 1, we'd insert the locations of breakpoint 2, which
ALL_BREAKPOINTS_SAFE (b, b_tmp)
{
- TRY
+ try
{
breakpoint_re_set_one (b);
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
exception_fprintf (gdb_stderr, ex,
"Error in re-setting breakpoint %d: ",
b->number);
}
- END_CATCH
}
jit_breakpoint_re_set ();
{
if (b->thread != -1)
{
- if (in_thread_list (inferior_ptid))
- b->thread = ptid_to_global_thread_id (inferior_ptid);
+ b->thread = inferior_thread ()->global_num;
/* We're being called after following a fork. The new fork is
selected as current, and unless this was a vfork will have a
"crossings of breakpoint %d."),
count, bptnum);
}
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
return;
}
target_disable_tracepoint (loc);
}
update_global_location_list (UGLL_DONT_INSERT);
+
+ gdb::observers::breakpoint_modified.notify (loc->owner);
}
/* Enable or disable a range of breakpoint locations. BP_NUM is the
update_global_location_list (UGLL_DONT_INSERT);
- observer_notify_breakpoint_modified (bpt);
+ gdb::observers::breakpoint_modified.notify (bpt);
}
/* Enable or disable the breakpoint(s) or breakpoint location(s)
/* Initialize it just to avoid a GCC false warning. */
enum enable_state orig_enable_state = bp_disabled;
- TRY
+ try
{
struct watchpoint *w = (struct watchpoint *) bpt;
bpt->enable_state = bp_enabled;
update_watchpoint (w, 1 /* reparse */);
}
- CATCH (e, RETURN_MASK_ALL)
+ catch (const gdb_exception &e)
{
bpt->enable_state = orig_enable_state;
exception_fprintf (gdb_stderr, e, _("Cannot enable watchpoint %d: "),
bpt->number);
return;
}
- END_CATCH
}
bpt->enable_state = bp_enabled;
bpt->enable_count = count;
update_global_location_list (UGLL_MAY_INSERT);
- observer_notify_breakpoint_modified (bpt);
+ gdb::observers::breakpoint_modified.notify (bpt);
}
{
struct watchpoint *wp = (struct watchpoint *) bp;
- if (wp->val_valid && wp->val)
+ if (wp->val_valid && wp->val != nullptr)
{
struct bp_location *loc;
&& loc->address + loc->length > addr
&& addr + len > loc->address)
{
- value_free (wp->val);
wp->val = NULL;
- wp->val_valid = 0;
+ wp->val_valid = false;
}
}
}
static char *
read_uploaded_action (void)
{
- char *rslt;
-
- VEC_iterate (char_ptr, this_utp->cmd_strings, next_cmd, rslt);
+ char *rslt = nullptr;
- next_cmd++;
+ if (next_cmd < this_utp->cmd_strings.size ())
+ {
+ rslt = this_utp->cmd_strings[next_cmd].get ();
+ next_cmd++;
+ }
return rslt;
}
struct tracepoint *tp;
if (utp->at_string)
- addr_str = utp->at_string;
+ addr_str = utp->at_string.get ();
else
{
/* In the absence of a source location, fall back to raw
current_language);
if (!create_breakpoint (get_current_arch (),
location.get (),
- utp->cond_string, -1, addr_str,
+ utp->cond_string.get (), -1, addr_str,
0 /* parse cond/thread */,
0 /* tempflag */,
utp->type /* type_wanted */,
special-purpose "reader" function and call the usual command line
reader, then pass the result to the breakpoint command-setting
function. */
- if (!VEC_empty (char_ptr, utp->cmd_strings))
+ if (!utp->cmd_strings.empty ())
{
- command_line_up cmd_list;
+ counted_command_line cmd_list;
this_utp = utp;
next_cmd = 0;
- cmd_list = read_command_lines_1 (read_uploaded_action, 1, NULL, NULL);
+ cmd_list = read_command_lines_1 (read_uploaded_action, 1, NULL);
breakpoint_set_commands (tp, std::move (cmd_list));
}
- else if (!VEC_empty (char_ptr, utp->actions)
- || !VEC_empty (char_ptr, utp->step_actions))
+ else if (!utp->actions.empty ()
+ || !utp->step_actions.empty ())
warning (_("Uploaded tracepoint %d actions "
"have no source form, ignoring them"),
utp->number);
struct ui_out *uiout = current_uiout;
int num_printed;
- num_printed = breakpoint_1 (args, 0, is_tracepoint);
+ num_printed = breakpoint_1 (args, false, is_tracepoint);
if (num_printed == 0)
{
}
else
map_breakpoint_numbers
- (arg, [&] (breakpoint *b)
+ (arg, [&] (breakpoint *br)
{
- iterate_over_related_breakpoints (b, delete_breakpoint);
+ iterate_over_related_breakpoints (br, delete_breakpoint);
});
}
trace_pass_set_count (struct tracepoint *tp, int count, int from_tty)
{
tp->pass_count = count;
- observer_notify_breakpoint_modified (tp);
+ gdb::observers::breakpoint_modified.notify (tp);
if (from_tty)
printf_filtered (_("Setting tracepoint %d's passcount to %d\n"),
tp->number, count);
/* Save information on user settable breakpoints (watchpoints, etc) to
a new script file named FILENAME. If FILTER is non-NULL, call it
on each breakpoint and only include the ones for which it returns
- non-zero. */
+ true. */
static void
save_breakpoints (const char *filename, int from_tty,
- int (*filter) (const struct breakpoint *))
+ bool (*filter) (const struct breakpoint *))
{
struct breakpoint *tp;
int any = 0;
fp.puts (" commands\n");
current_uiout->redirect (&fp);
- TRY
+ try
{
print_command_lines (current_uiout, tp->commands.get (), 2);
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
current_uiout->redirect (NULL);
- throw_exception (ex);
+ throw;
}
- END_CATCH
current_uiout->redirect (NULL);
fp.puts (" end\n");
/* Create a vector of all tracepoints. */
-VEC(breakpoint_p) *
+std::vector<breakpoint *>
all_tracepoints (void)
{
- VEC(breakpoint_p) *tp_vec = 0;
+ std::vector<breakpoint *> tp_vec;
struct breakpoint *tp;
ALL_TRACEPOINTS (tp)
{
- VEC_safe_push (breakpoint_p, tp_vec, tp);
+ tp_vec.push_back (tp);
}
return tp_vec;
classes. For Ada, this means in all packages. E.g., in C++,\n\
\"func()\" matches \"A::func()\", \"A::B::func()\", etc. The\n\
\"-qualified\" flag overrides this behavior, making GDB interpret the\n\
-specified name as a complete fully-qualified name instead.\n"
+specified name as a complete fully-qualified name instead."
/* This help string is used for the break, hbreak, tbreak and thbreak
commands. It is defined as a macro to prevent duplication.
\n\
THREADNUM is the number from \"info threads\".\n\
CONDITION is a boolean expression.\n\
-\n" LOCATION_HELP_STRING "\n\
+\n" LOCATION_HELP_STRING "\n\n\
Multiple breakpoints at one place are permitted, and useful if their\n\
conditions are different.\n\
\n\
static struct cmd_list_element *enablebreaklist = NULL;
+/* See breakpoint.h. */
+
+cmd_list_element *commands_cmd_element = nullptr;
+
void
_initialize_breakpoint (void)
{
initialize_breakpoint_ops ();
- observer_attach_solib_unloaded (disable_breakpoints_in_unloaded_shlib);
- observer_attach_free_objfile (disable_breakpoints_in_freed_objfile);
- observer_attach_memory_changed (invalidate_bp_value_on_memory_change);
-
- breakpoint_objfile_key
- = register_objfile_data_with_cleanup (NULL, free_breakpoint_objfile_data);
+ gdb::observers::solib_unloaded.attach (disable_breakpoints_in_unloaded_shlib);
+ gdb::observers::free_objfile.attach (disable_breakpoints_in_freed_objfile);
+ gdb::observers::memory_changed.attach (invalidate_bp_value_on_memory_change);
breakpoint_chain = 0;
/* Don't bother to call set_breakpoint_count. $bpnum isn't useful
Set ignore-count of breakpoint number N to COUNT.\n\
Usage is `ignore N COUNT'."));
- add_com ("commands", class_breakpoint, commands_command, _("\
+ commands_cmd_element = add_com ("commands", class_breakpoint,
+ commands_command, _("\
Set commands to be executed when the given breakpoints are hit.\n\
Give a space-separated breakpoint list as argument after \"commands\".\n\
A list element can be a breakpoint number (e.g. `5') or a range of numbers\n\
set_cmd_completer (c, location_completer);
add_prefix_cmd ("enable", class_breakpoint, enable_command, _("\
-Enable some breakpoints.\n\
+Enable all or some breakpoints.\n\
+Usage: enable [BREAKPOINTNUM]...\n\
Give breakpoint numbers (separated by spaces) as arguments.\n\
With no subcommand, breakpoints are enabled until you command otherwise.\n\
This is used to cancel the effect of the \"disable\" command.\n\
add_com_alias ("en", "enable", class_breakpoint, 1);
add_prefix_cmd ("breakpoints", class_breakpoint, enable_command, _("\
-Enable some breakpoints.\n\
+Enable all or some breakpoints.\n\
+Usage: enable breakpoints [BREAKPOINTNUM]...\n\
Give breakpoint numbers (separated by spaces) as arguments.\n\
This is used to cancel the effect of the \"disable\" command.\n\
-May be abbreviated to simply \"enable\".\n"),
+May be abbreviated to simply \"enable\"."),
&enablebreaklist, "enable breakpoints ", 1, &enablelist);
add_cmd ("once", no_class, enable_once_command, _("\
-Enable breakpoints for one hit. Give breakpoint numbers.\n\
+Enable some breakpoints for one hit.\n\
+Usage: enable breakpoints once BREAKPOINTNUM...\n\
If a breakpoint is hit while enabled in this fashion, it becomes disabled."),
&enablebreaklist);
add_cmd ("delete", no_class, enable_delete_command, _("\
-Enable breakpoints and delete when hit. Give breakpoint numbers.\n\
+Enable some breakpoints and delete when hit.\n\
+Usage: enable breakpoints delete BREAKPOINTNUM...\n\
If a breakpoint is hit while enabled in this fashion, it is deleted."),
&enablebreaklist);
add_cmd ("count", no_class, enable_count_command, _("\
-Enable breakpoints for COUNT hits. Give count and then breakpoint numbers.\n\
+Enable some breakpoints for COUNT hits.\n\
+Usage: enable breakpoints count COUNT BREAKPOINTNUM...\n\
If a breakpoint is hit while enabled in this fashion,\n\
the count is decremented; when it reaches zero, the breakpoint is disabled."),
&enablebreaklist);
add_cmd ("delete", no_class, enable_delete_command, _("\
-Enable breakpoints and delete when hit. Give breakpoint numbers.\n\
+Enable some breakpoints and delete when hit.\n\
+Usage: enable delete BREAKPOINTNUM...\n\
If a breakpoint is hit while enabled in this fashion, it is deleted."),
&enablelist);
add_cmd ("once", no_class, enable_once_command, _("\
-Enable breakpoints for one hit. Give breakpoint numbers.\n\
+Enable some breakpoints for one hit.\n\
+Usage: enable once BREAKPOINTNUM...\n\
If a breakpoint is hit while enabled in this fashion, it becomes disabled."),
&enablelist);
add_cmd ("count", no_class, enable_count_command, _("\
-Enable breakpoints for COUNT hits. Give count and then breakpoint numbers.\n\
+Enable some breakpoints for COUNT hits.\n\
+Usage: enable count COUNT BREAKPOINTNUM...\n\
If a breakpoint is hit while enabled in this fashion,\n\
the count is decremented; when it reaches zero, the breakpoint is disabled."),
&enablelist);
add_prefix_cmd ("disable", class_breakpoint, disable_command, _("\
-Disable some breakpoints.\n\
+Disable all or some breakpoints.\n\
+Usage: disable [BREAKPOINTNUM]...\n\
Arguments are breakpoint numbers with spaces in between.\n\
To disable all breakpoints, give no argument.\n\
A disabled breakpoint is not forgotten, but has no effect until re-enabled."),
add_com_alias ("disa", "disable", class_breakpoint, 1);
add_cmd ("breakpoints", class_alias, disable_command, _("\
-Disable some breakpoints.\n\
+Disable all or some breakpoints.\n\
+Usage: disable breakpoints [BREAKPOINTNUM]...\n\
Arguments are breakpoint numbers with spaces in between.\n\
To disable all breakpoints, give no argument.\n\
A disabled breakpoint is not forgotten, but has no effect until re-enabled.\n\
&disablelist);
add_prefix_cmd ("delete", class_breakpoint, delete_command, _("\
-Delete some breakpoints or auto-display expressions.\n\
+Delete all or some breakpoints.\n\
+Usage: delete [BREAKPOINTNUM]...\n\
Arguments are breakpoint numbers with spaces in between.\n\
To delete all breakpoints, give no argument.\n\
\n\
-Also a prefix command for deletion of other GDB objects.\n\
-The \"unset\" command is also an alias for \"delete\"."),
+Also a prefix command for deletion of other GDB objects."),
&deletelist, "delete ", 1, &cmdlist);
add_com_alias ("d", "delete", class_breakpoint, 1);
add_com_alias ("del", "delete", class_breakpoint, 1);
add_cmd ("breakpoints", class_alias, delete_command, _("\
-Delete some breakpoints or auto-display expressions.\n\
+Delete all or some breakpoints or auto-display expressions.\n\
+Usage: delete breakpoints [BREAKPOINTNUM]...\n\
Arguments are breakpoint numbers with spaces in between.\n\
To delete all breakpoints, give no argument.\n\
This command may be abbreviated \"delete\"."),
\n\
With no argument, clears all breakpoints in the line that the selected frame\n\
is executing in.\n"
-"\n" LOCATION_HELP_STRING "\n\
+"\n" LOCATION_HELP_STRING "\n\n\
See also the \"delete\" command which clears breakpoints by number."));
add_com_alias ("cl", "clear", class_breakpoint, 1);
by printing the $_sdata variable like any other convenience variable.\n\
\n\
CONDITION is a boolean expression.\n\
-\n" LOCATION_HELP_STRING "\n\
+\n" LOCATION_HELP_STRING "\n\n\
Multiple tracepoints at one place are permitted, and useful if their\n\
conditions are different.\n\
\n\
deprecate_cmd (c, "save tracepoints");
add_prefix_cmd ("breakpoint", class_maintenance, set_breakpoint_cmd, _("\
-Breakpoint specific settings\n\
+Breakpoint specific settings.\n\
Configure various breakpoint-specific variables such as\n\
-pending breakpoint behavior"),
+pending breakpoint behavior."),
&breakpoint_set_cmdlist, "set breakpoint ",
0/*allow-unknown*/, &setlist);
add_prefix_cmd ("breakpoint", class_maintenance, show_breakpoint_cmd, _("\
-Breakpoint specific settings\n\
+Breakpoint specific settings.\n\
Configure various breakpoint-specific variables such as\n\
-pending breakpoint behavior"),
+pending breakpoint behavior."),
&breakpoint_show_cmdlist, "show breakpoint ",
0/*allow-unknown*/, &showlist);
dprintf_function = xstrdup ("printf");
add_setshow_string_cmd ("dprintf-function", class_support,
&dprintf_function, _("\
-Set the function to use for dynamic printf"), _("\
-Show the function to use for dynamic printf"), NULL,
+Set the function to use for dynamic printf."), _("\
+Show the function to use for dynamic printf."), NULL,
update_dprintf_commands, NULL,
&setlist, &showlist);
dprintf_channel = xstrdup ("");
add_setshow_string_cmd ("dprintf-channel", class_support,
&dprintf_channel, _("\
-Set the channel to use for dynamic printf"), _("\
-Show the channel to use for dynamic printf"), NULL,
+Set the channel to use for dynamic printf."), _("\
+Show the channel to use for dynamic printf."), NULL,
update_dprintf_commands, NULL,
&setlist, &showlist);
&setlist, &showlist);
add_com ("agent-printf", class_vars, agent_printf_command, _("\
-agent-printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
-(target agent only) This is useful for formatted output in user-defined commands."));
+Target agent only formatted printing, like the C \"printf\" function.\n\
+Usage: agent-printf \"format string\", ARG1, ARG2, ARG3, ..., ARGN\n\
+This supports most C printf format specifications, like %s, %d, etc.\n\
+This is useful for formatted output in user-defined commands."));
- automatic_hardware_breakpoints = 1;
+ automatic_hardware_breakpoints = true;
- observer_attach_about_to_proceed (breakpoint_about_to_proceed);
- observer_attach_thread_exit (remove_threaded_breakpoints);
+ gdb::observers::about_to_proceed.attach (breakpoint_about_to_proceed);
+ gdb::observers::thread_exit.attach (remove_threaded_breakpoints);
}
projects / binutils.git / blobdiff