From: Trevor Saunders <tbsaunde+...@tbsaunde.org>
gcc/ChangeLog:
2015-10-10 Trevor Saunders <tbsaunde+...@tbsaunde.org>
* defaults.h (DYNAMIC_CHAIN_ADDRESS): New default definition.
* builtins.c (expand_builtin_return_addr): Adjust.
---
gcc/builtins.c | 2 --
gcc/defaults.h | 4 ++++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/gcc/builtins.c b/gcc/builtins.c
index bd95acb..750488e 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -799,9 +799,7 @@ expand_builtin_return_addr (enum built_in_function
fndecl_code, int count)
{
/* Assume the dynamic chain pointer is in the word that the
frame address points to, unless otherwise specified. */
-#ifdef DYNAMIC_CHAIN_ADDRESS
tem = DYNAMIC_CHAIN_ADDRESS (tem);
-#endif
tem = memory_address (Pmode, tem);
tem = gen_frame_mem (Pmode, tem);
tem = copy_to_reg (tem);
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 5f1ea76..80ad35c 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -1285,6 +1285,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively.
If not, see
#define SETUP_FRAME_ADDRESSES() do { } while (0)
#endif
+#ifndef DYNAMIC_CHAIN_ADDRESS
+#define DYNAMIC_CHAIN_ADDRESS(x) (x)
+#endif
+
#ifdef GCC_INSN_FLAGS_H
/* Dependent default target macro definitions
--
2.6.1
