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Remove cleanup in get_return_value 

With regcache ctor, we can use it to create local object in
get_return_value (), so that the cleanup can be removed.

gdb:

2017-04-28  Yao Qi  <yao.qi@linaro.org>

	* infcmd.c (get_return_value): Use regcache ctor, and remove
	cleanup.
This commit is contained in:
Yao Qi 2017-04-28 22:48:42 +01:00
parent deb1fa3eda
commit 0749542484
2 changed files with 8 additions and 11 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2017-04-28 Yao Qi <yao.qi@linaro.org>
* infcmd.c (get_return_value): Use regcache ctor, and remove
cleanup.
2017-04-28 Yao Qi <yao.qi@linaro.org>
Pedro Alves <palves@redhat.com>

14
gdb/infcmd.c
View File

@ -1604,15 +1604,9 @@ advance_command (char *arg, int from_tty)
struct value *
get_return_value (struct value *function, struct type *value_type)
{
struct regcache *stop_regs;
struct gdbarch *gdbarch;
regcache stop_regs (regcache::readonly, *get_current_regcache ());
struct gdbarch *gdbarch = stop_regs.arch ();
struct value *value;
struct cleanup *cleanup;
stop_regs = regcache_dup (get_current_regcache ());
cleanup = make_cleanup_regcache_xfree (stop_regs);
gdbarch = get_regcache_arch (stop_regs);
value_type = check_typedef (value_type);
gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID);
@ -1631,7 +1625,7 @@ get_return_value (struct value *function, struct type *value_type)
case RETURN_VALUE_ABI_RETURNS_ADDRESS:
case RETURN_VALUE_ABI_PRESERVES_ADDRESS:
value = allocate_value (value_type);
gdbarch_return_value (gdbarch, function, value_type, stop_regs,
gdbarch_return_value (gdbarch, function, value_type, &stop_regs,
value_contents_raw (value), NULL);
break;
case RETURN_VALUE_STRUCT_CONVENTION:
@ -1641,8 +1635,6 @@ get_return_value (struct value *function, struct type *value_type)
internal_error (__FILE__, __LINE__, _("bad switch"));
}
do_cleanups (cleanup);
return value;
}