Convert base breakpoints to vtable ops

This converts base breakpoints to use vtable_breakpoint_ops.
This commit is contained in:
Tom Tromey
2022-01-15 13:56:38 -07:00
parent 098f12723d
commit 2b5ab5b851
3 changed files with 36 additions and 32 deletions

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@@ -67,7 +67,7 @@ static struct breakpoint_ops gnu_v3_exception_catchpoint_ops;
/* The type of an exception catchpoint. */ /* The type of an exception catchpoint. */
struct exception_catchpoint : public breakpoint struct exception_catchpoint : public base_breakpoint
{ {
/* The kind of exception catchpoint. */ /* The kind of exception catchpoint. */

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@@ -7932,7 +7932,7 @@ enable_breakpoints_after_startup (void)
static struct breakpoint * static struct breakpoint *
new_single_step_breakpoint (int thread, struct gdbarch *gdbarch) new_single_step_breakpoint (int thread, struct gdbarch *gdbarch)
{ {
std::unique_ptr<breakpoint> b (new breakpoint ()); std::unique_ptr<breakpoint> b (new momentary_breakpoint ());
init_raw_breakpoint_without_location (b.get (), gdbarch, bp_single_step, init_raw_breakpoint_without_location (b.get (), gdbarch, bp_single_step,
&momentary_breakpoint_ops); &momentary_breakpoint_ops);
@@ -11798,22 +11798,22 @@ struct breakpoint_ops vtable_breakpoint_ops =
/* Default breakpoint_ops methods. */ /* Default breakpoint_ops methods. */
static void void
bkpt_re_set (struct breakpoint *b) base_breakpoint::re_set ()
{ {
/* FIXME: is this still reachable? */ /* FIXME: is this still reachable? */
if (breakpoint_event_location_empty_p (b)) if (breakpoint_event_location_empty_p (this))
{ {
/* Anything without a location can't be re-set. */ /* Anything without a location can't be re-set. */
delete_breakpoint (b); delete_breakpoint (this);
return; return;
} }
breakpoint_re_set_default (b); breakpoint_re_set_default (this);
} }
static int int
bkpt_insert_location (struct bp_location *bl) base_breakpoint::insert_location (struct bp_location *bl)
{ {
CORE_ADDR addr = bl->target_info.reqstd_address; CORE_ADDR addr = bl->target_info.reqstd_address;
@@ -11826,8 +11826,9 @@ bkpt_insert_location (struct bp_location *bl)
return target_insert_breakpoint (bl->gdbarch, &bl->target_info); return target_insert_breakpoint (bl->gdbarch, &bl->target_info);
} }
static int int
bkpt_remove_location (struct bp_location *bl, enum remove_bp_reason reason) base_breakpoint::remove_location (struct bp_location *bl,
enum remove_bp_reason reason)
{ {
if (bl->loc_type == bp_loc_hardware_breakpoint) if (bl->loc_type == bp_loc_hardware_breakpoint)
return target_remove_hw_breakpoint (bl->gdbarch, &bl->target_info); return target_remove_hw_breakpoint (bl->gdbarch, &bl->target_info);
@@ -11835,10 +11836,11 @@ bkpt_remove_location (struct bp_location *bl, enum remove_bp_reason reason)
return target_remove_breakpoint (bl->gdbarch, &bl->target_info, reason); return target_remove_breakpoint (bl->gdbarch, &bl->target_info, reason);
} }
static int int
bkpt_breakpoint_hit (const struct bp_location *bl, base_breakpoint::breakpoint_hit (const struct bp_location *bl,
const address_space *aspace, CORE_ADDR bp_addr, const address_space *aspace,
const target_waitstatus &ws) CORE_ADDR bp_addr,
const target_waitstatus &ws)
{ {
if (ws.kind () != TARGET_WAITKIND_STOPPED if (ws.kind () != TARGET_WAITKIND_STOPPED
|| ws.sig () != GDB_SIGNAL_TRAP) || ws.sig () != GDB_SIGNAL_TRAP)
@@ -11870,7 +11872,7 @@ dprintf_breakpoint_hit (const struct bp_location *bl,
return 0; return 0;
} }
return bkpt_breakpoint_hit (bl, aspace, bp_addr, ws); return bl->owner->breakpoint_hit (bl, aspace, bp_addr, ws);
} }
static int static int
@@ -11974,12 +11976,11 @@ bkpt_print_recreate (struct breakpoint *tp, struct ui_file *fp)
print_recreate_thread (tp, fp); print_recreate_thread (tp, fp);
} }
static std::vector<symtab_and_line> std::vector<symtab_and_line>
bkpt_decode_location (struct breakpoint *b, base_breakpoint::decode_location (struct event_location *location,
struct event_location *location, struct program_space *search_pspace)
struct program_space *search_pspace)
{ {
return decode_location_default (b, location, search_pspace); return decode_location_default (this, location, search_pspace);
} }
/* Virtual table for internal breakpoints. */ /* Virtual table for internal breakpoints. */
@@ -12126,7 +12127,7 @@ longjmp_breakpoint::~longjmp_breakpoint ()
static int static int
bkpt_probe_insert_location (struct bp_location *bl) bkpt_probe_insert_location (struct bp_location *bl)
{ {
int v = bkpt_insert_location (bl); int v = bl->owner->insert_location (bl);
if (v == 0) if (v == 0)
{ {
@@ -12145,7 +12146,7 @@ bkpt_probe_remove_location (struct bp_location *bl,
/* Let's clear the semaphore before removing the location. */ /* Let's clear the semaphore before removing the location. */
bl->probe.prob->clear_semaphore (bl->probe.objfile, bl->gdbarch); bl->probe.prob->clear_semaphore (bl->probe.objfile, bl->gdbarch);
return bkpt_remove_location (bl, reason); return bl->owner->remove_location (bl, reason);
} }
static void static void
@@ -14561,19 +14562,11 @@ initialize_breakpoint_ops (void)
breakpoints (real breakpoints, i.e., user "break" breakpoints, breakpoints (real breakpoints, i.e., user "break" breakpoints,
internal and momentary breakpoints, etc.). */ internal and momentary breakpoints, etc.). */
ops = &bkpt_base_breakpoint_ops; ops = &bkpt_base_breakpoint_ops;
*ops = base_breakpoint_ops; *ops = vtable_breakpoint_ops;
ops->re_set = bkpt_re_set;
ops->insert_location = bkpt_insert_location;
ops->remove_location = bkpt_remove_location;
ops->breakpoint_hit = bkpt_breakpoint_hit;
ops->create_sals_from_location = create_sals_from_location_default;
ops->create_breakpoints_sal = create_breakpoints_sal_default;
ops->decode_location = bkpt_decode_location;
/* The breakpoint_ops structure to be used in regular breakpoints. */ /* The breakpoint_ops structure to be used in regular breakpoints. */
ops = &bkpt_breakpoint_ops; ops = &bkpt_breakpoint_ops;
*ops = bkpt_base_breakpoint_ops; *ops = bkpt_base_breakpoint_ops;
ops->re_set = bkpt_re_set;
ops->resources_needed = bkpt_resources_needed; ops->resources_needed = bkpt_resources_needed;
ops->print_it = bkpt_print_it; ops->print_it = bkpt_print_it;
ops->print_mention = bkpt_print_mention; ops->print_mention = bkpt_print_mention;

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@@ -945,6 +945,17 @@ struct breakpoint
breakpoints, etc.). */ breakpoints, etc.). */
struct base_breakpoint : public breakpoint struct base_breakpoint : public breakpoint
{ {
void re_set () override;
int insert_location (struct bp_location *) override;
int remove_location (struct bp_location *,
enum remove_bp_reason reason) override;
int breakpoint_hit (const struct bp_location *bl,
const address_space *aspace,
CORE_ADDR bp_addr,
const target_waitstatus &ws) override;
std::vector<symtab_and_line> decode_location
(struct event_location *location,
struct program_space *search_pspace) override;
}; };
/* An instance of this type is used to represent a watchpoint. */ /* An instance of this type is used to represent a watchpoint. */