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convert to_decr_pc_after_break

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This converts to_decr_pc_after_break to the new style of delegation,
removing forward_target_decr_pc_after_break.

2014-02-19  Tom Tromey  <tromey@redhat.com>

	* record-btrace.c (record_btrace_decr_pc_after_break): Delegate
	directly.
	* target-delegates.c: Rebuild.
	* target.h (struct target_ops) <to_decr_pc_after_break>: Use
	TARGET_DEFAULT_FUNC.
	* target.c (default_target_decr_pc_after_break): Rename from
	forward_target_decr_pc_after_break.  Simplify.
	(target_decr_pc_after_break): Rely on delegation.
This commit is contained in:
Tom Tromey 2014-01-16 11:39:32 -07:00
parent 596b6b39ab
commit c0eca49f4e
5 changed files with 31 additions and 10 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2014-02-19 Tom Tromey <tromey@redhat.com>
* record-btrace.c (record_btrace_decr_pc_after_break): Delegate
directly.
* target-delegates.c: Rebuild.
* target.h (struct target_ops) <to_decr_pc_after_break>: Use
TARGET_DEFAULT_FUNC.
* target.c (default_target_decr_pc_after_break): Rename from
forward_target_decr_pc_after_break. Simplify.
(target_decr_pc_after_break): Rely on delegation.
2014-02-19 Tom Tromey <tromey@redhat.com>
* target.c (update_current_target): Do not INHERIT to_doc or

2
gdb/record-btrace.c
View File

@ -1737,7 +1737,7 @@ record_btrace_decr_pc_after_break (struct target_ops *ops,
if (record_btrace_is_replaying (ops))
return 0;
return forward_target_decr_pc_after_break (ops->beneath, gdbarch);
return ops->beneath->to_decr_pc_after_break (ops->beneath, gdbarch);
}
/* The to_find_new_threads method of target record-btrace. */

10
gdb/target-delegates.c
View File

@ -1572,6 +1572,13 @@ tdefault_augmented_libraries_svr4_read (struct target_ops *self)
return 0;
}
static CORE_ADDR
delegate_decr_pc_after_break (struct target_ops *self, struct gdbarch *arg1)
{
self = self->beneath;
return self->to_decr_pc_after_break (self, arg1);
}
static void
install_delegators (struct target_ops *ops)
{
@ -1837,6 +1844,8 @@ install_delegators (struct target_ops *ops)
ops->to_call_history_range = delegate_call_history_range;
if (ops->to_augmented_libraries_svr4_read == NULL)
ops->to_augmented_libraries_svr4_read = delegate_augmented_libraries_svr4_read;
if (ops->to_decr_pc_after_break == NULL)
ops->to_decr_pc_after_break = delegate_decr_pc_after_break;
}
static void
@ -1973,4 +1982,5 @@ install_dummy_methods (struct target_ops *ops)
ops->to_call_history_from = tdefault_call_history_from;
ops->to_call_history_range = tdefault_call_history_range;
ops->to_augmented_libraries_svr4_read = tdefault_augmented_libraries_svr4_read;
ops->to_decr_pc_after_break = default_target_decr_pc_after_break;
}

15
gdb/target.c
View File

@ -108,6 +108,9 @@ static int find_default_is_async_p (struct target_ops *ignore);
static enum exec_direction_kind default_execution_direction
(struct target_ops *self);
static CORE_ADDR default_target_decr_pc_after_break (struct target_ops *ops,
struct gdbarch *gdbarch);
#include "target-delegates.c"
static void init_dummy_target (void);
@ -3842,16 +3845,12 @@ target_get_tailcall_unwinder (void)
return NULL;
}
/* See target.h. */
/* Default implementation of to_decr_pc_after_break. */
CORE_ADDR
forward_target_decr_pc_after_break (struct target_ops *ops,
static CORE_ADDR
default_target_decr_pc_after_break (struct target_ops *ops,
struct gdbarch *gdbarch)
{
for (; ops != NULL; ops = ops->beneath)
if (ops->to_decr_pc_after_break != NULL)
return ops->to_decr_pc_after_break (ops, gdbarch);
return gdbarch_decr_pc_after_break (gdbarch);
}
@ -3860,7 +3859,7 @@ forward_target_decr_pc_after_break (struct target_ops *ops,
CORE_ADDR
target_decr_pc_after_break (struct gdbarch *gdbarch)
{
return forward_target_decr_pc_after_break (current_target.beneath, gdbarch);
return current_target.to_decr_pc_after_break (&current_target, gdbarch);
}
static int

3
gdb/target.h
View File

@ -1117,7 +1117,8 @@ struct target_ops
after executing a breakpoint instruction.
Defaults to gdbarch_decr_pc_after_break (GDBARCH). */
CORE_ADDR (*to_decr_pc_after_break) (struct target_ops *ops,
struct gdbarch *gdbarch);
struct gdbarch *gdbarch)
TARGET_DEFAULT_FUNC (default_target_decr_pc_after_break);
int to_magic;
/* Need sub-structure for target machine related rather than comm related?