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| author | Jiong Wang <jiong.wang@arm.com> | 2016-11-29 11:47:48 +0000 |
|---|---|---|
| committer | Jiong Wang <jiwang@gcc.gnu.org> | 2016-11-29 11:47:48 +0000 |
| commit | 87a5dc2da0ae66285afa894b4dca847c87c0302b (patch) | |
| tree | 58ea11f59eb7d734feba66f5e7ad492c76b250ab /gcc/target.def | |
| parent | 11edabc2dfb9274445d697eff2bafde3abdefa1f (diff) | |
| download | gcc-87a5dc2da0ae66285afa894b4dca847c87c0302b.zip gcc-87a5dc2da0ae66285afa894b4dca847c87c0302b.tar.gz gcc-87a5dc2da0ae66285afa894b4dca847c87c0302b.tar.bz2 | |
[Patch] New hook TARGET_STACK_PROTECT_RUNTIME_ENABLED_P to disable SSP runtime
gcc/
* target.def (stack_protect_runtime_enabled_p): New.
* function.c (expand_function_end): Guard stack_protect_epilogue with
targetm.stack_protect_runtime_enabled_p.
* cfgexpand.c (pass_expand::execute): Likewise.
* calls.c (expand_call): Likewise.
* doc/tm.texi.in (TARGET_STACK_PROTECT_RUNTIME_ENABLED_P): Add it.
* doc/tm.texi: Regenerate.
From-SVN: r242955
Diffstat (limited to 'gcc/target.def')
| -rw-r--r-- | gcc/target.def | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/target.def b/gcc/target.def index 85a0ac0..417cd02 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -4039,6 +4039,15 @@ normally defined in @file{libgcc2.c}.", tree, (void), default_external_stack_protect_fail) +/* This target hook allows the operating system to disable the default stack + protector runtime support. */ +DEFHOOK +(stack_protect_runtime_enabled_p, + "Returns true if the target wants GCC's default stack protect runtime support,\ + otherwise return false. The default implementation always returns true.", + bool, (void), + hook_bool_void_true) + DEFHOOK (can_use_doloop_p, "Return true if it is possible to use low-overhead loops (@code{doloop_end}\n\ |