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| author | jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-03-03 15:04:02 +0000 |
|---|---|---|
| committer | jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-03-03 15:04:02 +0000 |
| commit | a26d6c60ccc7ecb03b5411ac052079de6d16b098 (patch) | |
| tree | 7f59cfef10ac3781fc4d997331364492938faf6f /gcc/defaults.h | |
| parent | 1c92e2e90bda8931b8cd64fa021b42b7bbd8197a (diff) | |
| download | gcc-a26d6c60ccc7ecb03b5411ac052079de6d16b098.tar.gz | |
Turn RETURN_ADDR_IN_PREVIOUS_FRAME into C expression
This allows a target to support both windowed and non-windowed ABI.
2015-03-03 Max Filippov <jcmvbkbc@gmail.com>
gcc/
* builtins.c (expand_builtin_return_addr): Add
RETURN_ADDR_IN_PREVIOUS_FRAME to 'if' condition, remove
surrounding #ifdef.
* config/sparc/sparc.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Change
definition to 1.
* config/xtensa/xtensa.h (RETURN_ADDR_IN_PREVIOUS_FRAME):
Likewise.
* defaults.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Define to 0 if
undefined.
* doc/tm.texi.in (RETURN_ADDR_IN_PREVIOUS_FRAME): Update
paragraph.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@221150 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 5cef92c8f39..1d5479895e9 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -1095,6 +1095,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define FRAME_GROWS_DOWNWARD 0 #endif +#ifndef RETURN_ADDR_IN_PREVIOUS_FRAME +#define RETURN_ADDR_IN_PREVIOUS_FRAME 0 +#endif + /* On most machines, the CFA coincides with the first incoming parm. */ #ifndef ARG_POINTER_CFA_OFFSET #define ARG_POINTER_CFA_OFFSET(FNDECL) \ |