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Garbage collect dummy_frame_ctx_saver

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Since the "finish" command and infcall's FSMs are now responsible for
saving the return value, the dummy_frame_ctx_saver is no longer needed
anywhere.

gdb/ChangeLog:
2015-09-09  Pedro Alves  <palves@redhat.com>

	* infcall.c (struct dummy_frame_context_saver): Delete.
	(dummy_frame_context_saver_free, dummy_frame_context_saver_dtor)
	(dummy_frame_context_saver_drop)
	(dummy_frame_context_saver_cleanup)
	(dummy_frame_context_saver_get_regs)
	(dummy_frame_context_saver_setup): Delete.
	* infcall.h (dummy_frame_context_saver_drop)
	(dummy_frame_context_saver_cleanup)
	(dummy_frame_context_saver_get_regs, dummy_frame_context_saver):
	Delete.
	(get_return_value): Remove 'ctx_saver' paremeter.  Adjust.
	* inferior.h (get_return_value): Remove 'ctx_saver' paremeter.
	* python/py-finishbreakpoint.c (bpfinishpy_pre_stop_hook): Adjust.
This commit is contained in:
Pedro Alves
2015-09-09 18:23:25 +01:00
parent cfc3163382
commit 0700e23e5f
6 changed files with 26 additions and 121 deletions
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19
gdb/infcmd.c
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@ -1585,22 +1585,15 @@ advance_command (char *arg, int from_tty)
right after an inferior call has finished. */
struct value *
get_return_value (struct value *function, struct type *value_type,
struct dummy_frame_context_saver *ctx_saver)
get_return_value (struct value *function, struct type *value_type)
{
struct regcache *stop_regs = NULL;
struct regcache *stop_regs;
struct gdbarch *gdbarch;
struct value *value;
struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
struct cleanup *cleanup;
/* If registers were not saved, use the current registers. */
if (ctx_saver != NULL)
stop_regs = dummy_frame_context_saver_get_regs (ctx_saver);
else
{
stop_regs = regcache_dup (get_current_regcache ());
make_cleanup_regcache_xfree (stop_regs);
}
stop_regs = regcache_dup (get_current_regcache ());
cleanup = make_cleanup_regcache_xfree (stop_regs);
gdbarch = get_regcache_arch (stop_regs);
@ -1800,7 +1793,7 @@ finish_command_fsm_should_stop (struct thread_fsm *self)
struct value *func;
func = read_var_value (f->function, NULL, get_current_frame ());
rv->value = get_return_value (func, rv->type, NULL);
rv->value = get_return_value (func, rv->type);
rv->value_history_index = record_latest_value (rv->value);
}
}