From 0749542484129e77a30f1089d6d671197be5035f Mon Sep 17 00:00:00 2001 From: Yao Qi Date: Fri, 28 Apr 2017 22:48:42 +0100 Subject: [PATCH] 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 * infcmd.c (get_return_value): Use regcache ctor, and remove cleanup. --- gdb/ChangeLog | 5 +++++ gdb/infcmd.c | 14 +++----------- 2 files changed, 8 insertions(+), 11 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 29e9cbd..990bfd5 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,4 +1,9 @@ 2017-04-28 Yao Qi + + * infcmd.c (get_return_value): Use regcache ctor, and remove + cleanup. + +2017-04-28 Yao Qi Pedro Alves * regcache.c (regcache::regcache): New tag dispatch ctor. diff --git a/gdb/infcmd.c b/gdb/infcmd.c index 22b2c7a..56da56f 100644 --- a/gdb/infcmd.c +++ b/gdb/infcmd.c @@ -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; } -- 2.7.4