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author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-08-19 22:07:06 +0000 |
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committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-08-19 22:07:06 +0000 |
commit | 6957b94eb5a2e5d5a908aa28b8b8dd8b709dc1f1 (patch) | |
tree | 3ca7ccb634b618bf1984f21463abb0f4d2de83ff /gcc/common.opt | |
parent | 6151b7b5b05debc85d8df044951b0893c43a4e0b (diff) | |
download | gcc-6957b94eb5a2e5d5a908aa28b8b8dd8b709dc1f1.tar.gz |
* common.opt (fstack-protector): Initialize to -1.
(fstack-protector-all): Likewise.
(fstack-protector-strong): Likewise.
(fstack-protector-explicit): Likewise.
* configure.ac: Add --enable-default-ssp.
* defaults.h (DEFAULT_FLAG_SSP): New. Default SSP to strong.
* opts.c (finish_options): Update opts->x_flag_stack_protect if it is
-1.
* doc/install.texi: Document --enable-default-ssp.
* config.in: Regenerated.
* configure: Likewise.
* lib/target-supports.exp
(check_effective_target_fstack_protector_enabled): New test.
* gcc.target/i386/ssp-default.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227017 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/common.opt')
-rw-r--r-- | gcc/common.opt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index dd59ff337e6..4dcd51807af 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -2124,15 +2124,15 @@ Common RejectNegative Joined Var(common_deferred_options) Defer -fstack-limit-symbol=<name> Trap if the stack goes past symbol <name> fstack-protector -Common Report Var(flag_stack_protect, 1) +Common Report Var(flag_stack_protect, 1) Init(-1) Use propolice as a stack protection method fstack-protector-all -Common Report RejectNegative Var(flag_stack_protect, 2) +Common Report RejectNegative Var(flag_stack_protect, 2) Init(-1) Use a stack protection method for every function fstack-protector-strong -Common Report RejectNegative Var(flag_stack_protect, 3) +Common Report RejectNegative Var(flag_stack_protect, 3) Init(-1) Use a smart stack protection method for certain functions fstack-protector-explicit |