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| author | Maxim Kuvyrkov <maxim@codesourcery.com> | 2010-05-12 11:05:19 +0000 |
|---|---|---|
| committer | Maxim Kuvyrkov <mkuvyrkov@gcc.gnu.org> | 2010-05-12 11:05:19 +0000 |
| commit | 623a6941fa3db376bde6179eb7ca2f3b37b89518 (patch) | |
| tree | 36f64b5002b88b0f635e32f7ffb14e7914f56ef2 /gcc/targhooks.c | |
| parent | aeecf17ca32de8fcec84ad49f7d76a582515e84b (diff) | |
| download | gcc-623a6941fa3db376bde6179eb7ca2f3b37b89518.zip gcc-623a6941fa3db376bde6179eb7ca2f3b37b89518.tar.gz gcc-623a6941fa3db376bde6179eb7ca2f3b37b89518.tar.bz2 | |
targhooks.c (default_stack_protect_guard): Avoid sharing RTL for __stack_chk_guard.
* targhooks.c (default_stack_protect_guard): Avoid sharing RTL
for __stack_chk_guard.
* gcc.target/m68k/20100512-1.c: New.
From-SVN: r159310
Diffstat (limited to 'gcc/targhooks.c')
| -rw-r--r-- | gcc/targhooks.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/targhooks.c b/gcc/targhooks.c index 8df0de4..2c0a65d 100644 --- a/gcc/targhooks.c +++ b/gcc/targhooks.c @@ -499,6 +499,8 @@ default_stack_protect_guard (void) if (t == NULL) { + rtx x; + t = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ("__stack_chk_guard"), ptr_type_node); @@ -510,6 +512,11 @@ default_stack_protect_guard (void) DECL_ARTIFICIAL (t) = 1; DECL_IGNORED_P (t) = 1; + /* Do not share RTL as the declaration is visible outside of + current function. */ + x = DECL_RTL (t); + RTX_FLAG (x, used) = 1; + stack_chk_guard_decl = t; } |