/* Everything about breakpoints, for GDB.
- Copyright (C) 1986-2019 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
+ Copyright (C) 2019-2020 Advanced Micro Devices, Inc. All rights reserved.
This file is part of GDB.
/* Breakpoints set on probes. */
static struct breakpoint_ops bkpt_probe_breakpoint_ops;
+/* Tracepoints set on probes. */
+static struct breakpoint_ops tracepoint_probe_breakpoint_ops;
+
/* Dynamic printf class type. */
struct breakpoint_ops dprintf_breakpoint_ops;
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 bool always_inserted_mode = false;
+/* FIXME: this is a temporary workaround to make sure waves created while
+ all known threads are stopped, and the gdb prompt is presented, do not
+ execute past the enabled breakpoints. */
+static bool always_inserted_mode = true;
static void
show_always_inserted_mode (struct ui_file *file, int from_tty,
no threads under GDB's control yet. */
return 1;
}
- else if (target_has_execution)
+ else
{
if (always_inserted_mode)
{
return 1;
}
- if (threads_are_executing ())
- return 1;
+ for (inferior *inf : all_inferiors ())
+ if (inf->has_execution ()
+ && threads_are_executing (inf->process_target ()))
+ return 1;
/* Don't remove breakpoints yet if, even though all threads are
stopped, we still have events to process. */
/* Chains of all breakpoints defined. */
-struct breakpoint *breakpoint_chain;
+static struct breakpoint *breakpoint_chain;
-/* Array is sorted by bp_locations_compare - primarily by the ADDRESS. */
+/* Array is sorted by bp_location_is_less_than - primarily by the ADDRESS. */
static struct bp_location **bp_locations;
/* A comparison function for bp_location AP and BP that is used by
bsearch. This comparison function only cares about addresses, unlike
- the more general bp_locations_compare function. */
+ the more general bp_location_is_less_than function. */
static int
bp_locations_compare_addrs (const void *ap, const void *bp)
if we aren't attached to any process yet, we should still
insert breakpoints. */
if (!gdbarch_has_global_breakpoints (target_gdbarch ())
- && inferior_ptid == null_ptid)
+ && (inferior_ptid == null_ptid || !target_has_execution))
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 ())
- && inferior_ptid == null_ptid)
+ && (inferior_ptid == null_ptid || !target_has_execution))
continue;
val = insert_bp_location (bl, &tmp_error_stream, &disabled_breaks,
if (sym)
{
uiout->text ("in ");
- uiout->field_string ("func", SYMBOL_PRINT_NAME (sym),
+ uiout->field_string ("func", sym->print_name (),
function_name_style.style ());
uiout->text (" ");
uiout->wrap_hint (wrap_indent_at_field (uiout, "what"));
{
struct breakpoint *b = loc->owner;
- function_name = MSYMBOL_LINKAGE_NAME (loc->msymbol);
+ function_name = loc->msymbol->linkage_name ();
if (b->type == bp_breakpoint && b->loc == loc
&& loc->next == NULL && b->related_breakpoint == b)
mention (struct breakpoint *b)
{
b->ops->print_mention (b);
- current_uiout->text ("\n");
+ if (current_uiout->is_mi_like_p ())
+ return;
+ printf_filtered ("\n");
}
\f
return sals;
}
+/* Returns the breakpoint ops appropriate for use with with LOCATION_TYPE and
+ according to IS_TRACEPOINT. */
+
+static const struct breakpoint_ops *
+breakpoint_ops_for_event_location_type (enum event_location_type location_type,
+ bool is_tracepoint)
+{
+ if (is_tracepoint)
+ {
+ if (location_type == PROBE_LOCATION)
+ return &tracepoint_probe_breakpoint_ops;
+ else
+ return &tracepoint_breakpoint_ops;
+ }
+ else
+ {
+ if (location_type == PROBE_LOCATION)
+ return &bkpt_probe_breakpoint_ops;
+ else
+ return &bkpt_breakpoint_ops;
+ }
+}
+
+/* See breakpoint.h. */
+
+const struct breakpoint_ops *
+breakpoint_ops_for_event_location (const struct event_location *location,
+ bool is_tracepoint)
+{
+ if (location != nullptr)
+ return breakpoint_ops_for_event_location_type
+ (event_location_type (location), is_tracepoint);
+ return is_tracepoint ? &tracepoint_breakpoint_ops : &bkpt_breakpoint_ops;
+}
+
/* See breakpoint.h. */
int
enum bptype type_wanted = (flag & BP_HARDWAREFLAG
? bp_hardware_breakpoint
: bp_breakpoint);
- struct breakpoint_ops *ops;
event_location_up location = string_to_event_location (&arg, current_language);
-
- /* Matching breakpoints on probes. */
- if (location != NULL
- && event_location_type (location.get ()) == PROBE_LOCATION)
- ops = &bkpt_probe_breakpoint_ops;
- else
- ops = &bkpt_breakpoint_ops;
+ const struct breakpoint_ops *ops = breakpoint_ops_for_event_location
+ (location.get (), false /* is_tracepoint */);
create_breakpoint (get_current_arch (),
location.get (),
}
/* A comparison function for bp_location AP and BP being interfaced to
- qsort. Sort elements primarily by their ADDRESS (no matter what
+ std::sort. Sort elements primarily by their ADDRESS (no matter what
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. */
+ stable way despite std::sort being an unstable algorithm. */
static int
-bp_locations_compare (const void *ap, const void *bp)
+bp_location_is_less_than (const bp_location *a, const bp_location *b)
{
- const struct bp_location *a = *(const struct bp_location **) ap;
- const struct bp_location *b = *(const struct bp_location **) bp;
-
if (a->address != b->address)
- return (a->address > b->address) - (a->address < b->address);
+ return a->address < b->address;
/* Sort locations at the same address by their pspace number, keeping
locations of the same inferior (in a multi-inferior environment)
grouped. */
if (a->pspace->num != b->pspace->num)
- return ((a->pspace->num > b->pspace->num)
- - (a->pspace->num < b->pspace->num));
+ return a->pspace->num < b->pspace->num;
/* Sort permanent breakpoints first. */
if (a->permanent != b->permanent)
- return (a->permanent < b->permanent) - (a->permanent > b->permanent);
+ return a->permanent > b->permanent;
/* Make the internal GDB representation stable across GDB runs
where A and B memory inside GDB can differ. Breakpoint locations of
the same type at the same address can be sorted in arbitrary order. */
if (a->owner->number != b->owner->number)
- return ((a->owner->number > b->owner->number)
- - (a->owner->number < b->owner->number));
+ return a->owner->number < b->owner->number;
- return (a > b) - (a < b);
+ return a < b;
}
/* Set bp_locations_placed_address_before_address_max and
ALL_BREAKPOINTS (b)
for (loc = b->loc; loc; loc = loc->next)
*locp++ = loc;
- qsort (bp_locations, bp_locations_count, sizeof (*bp_locations),
- bp_locations_compare);
+ std::sort (bp_locations, bp_locations + bp_locations_count,
+ bp_location_is_less_than);
bp_locations_target_extensions_update ();
around. We simply always ignore hardware watchpoint
traps we can no longer explain. */
- old_loc->events_till_retirement = 3 * (thread_count () + 1);
+ process_stratum_target *proc_target = nullptr;
+ for (inferior *inf : all_inferiors ())
+ if (inf->pspace == old_loc->pspace)
+ {
+ proc_target = inf->process_target ();
+ break;
+ }
+ if (proc_target != nullptr)
+ old_loc->events_till_retirement
+ = 3 * (thread_count (proc_target) + 1);
+ else
+ old_loc->events_till_retirement = 1;
old_loc->owner = NULL;
moribund_locations.push_back (old_loc);
struct breakpoint_ops tracepoint_breakpoint_ops;
-/* The breakpoint_ops structure to be use on tracepoints placed in a
- static probe. */
+/* Virtual table for tracepoints on static probes. */
static void
tracepoint_probe_create_sals_from_location
return bkpt_probe_decode_location (b, location, search_pspace);
}
-static struct breakpoint_ops tracepoint_probe_breakpoint_ops;
-
/* Dprintf breakpoint_ops methods. */
static void
uiout->text ("Now in ");
if (sym)
{
- uiout->field_string ("func", SYMBOL_PRINT_NAME (sym),
+ uiout->field_string ("func", sym->print_name (),
function_name_style.style ());
uiout->text (" at ");
}
static void
trace_command (const char *arg, int from_tty)
{
- struct breakpoint_ops *ops;
-
event_location_up location = string_to_event_location (&arg,
current_language);
- if (location != NULL
- && event_location_type (location.get ()) == PROBE_LOCATION)
- ops = &tracepoint_probe_breakpoint_ops;
- else
- ops = &tracepoint_breakpoint_ops;
+ const struct breakpoint_ops *ops = breakpoint_ops_for_event_location
+ (location.get (), true /* is_tracepoint */);
create_breakpoint (get_current_arch (),
location.get (),
}
struct breakpoint *
-iterate_over_breakpoints (int (*callback) (struct breakpoint *, void *),
- void *data)
+iterate_over_breakpoints (gdb::function_view<bool (breakpoint *)> callback)
{
struct breakpoint *b, *b_tmp;
ALL_BREAKPOINTS_SAFE (b, b_tmp)
{
- if ((*callback) (b, data))
+ if (callback (b))
return b;
}
projects / deliverable / binutils-gdb.git / blobdiff