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| author | Andrew Hsieh <andrewhsieh@google.com> | 2013-04-02 19:26:45 +0800 |
|---|---|---|
| committer | Andrew Hsieh <andrewhsieh@google.com> | 2013-04-02 20:35:08 +0800 |
| commit | 6ed152e45f2815670b2b7323ee067c36fd997339 (patch) | |
| tree | ae64b46942039051517a705ed2ba5205dd5a9cf6 /gcc-4.8/gcc/config/i386/i386-opts.h | |
| parent | 9fc377fd2c2dce50298e33e578d7065e285171e0 (diff) | |
| download | toolchain_gcc-6ed152e45f2815670b2b7323ee067c36fd997339.tar.gz toolchain_gcc-6ed152e45f2815670b2b7323ee067c36fd997339.tar.bz2 toolchain_gcc-6ed152e45f2815670b2b7323ee067c36fd997339.zip | |
[4.8] Add -mstack-protector-guard= to x86 compilers
To choose between "global" (default) and "tls" (new)
for -fstack-protector, -fstack-protector-all, and
-fstack-protector-strong (GCC 4.6+).
Note that this alone doesn't enable any -fstack-protector*
For NDK: The default "global" generates code backward
compatible with older bionic
For AOSP: build may add "-mstack-protector-guard=tls" to
build platform code with new bionic (*1)
Related CL:
ad88a0863110798cef5169dcf917e18b967a7cf6 (*1)
e804643b6dfcfb5842dea4b714601c6dd89f4944
Change-Id: I341c9022530b37ca289d94e1174dfa86a8eaa1bf
Diffstat (limited to 'gcc-4.8/gcc/config/i386/i386-opts.h')
| -rw-r--r-- | gcc-4.8/gcc/config/i386/i386-opts.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/config/i386/i386-opts.h b/gcc-4.8/gcc/config/i386/i386-opts.h index 11c08457d..3f3ce13be 100644 --- a/gcc-4.8/gcc/config/i386/i386-opts.h +++ b/gcc-4.8/gcc/config/i386/i386-opts.h @@ -85,4 +85,9 @@ enum ix86_veclibabi { ix86_veclibabi_type_acml }; +enum stack_protector_guard { + SSP_TLS, /* per-thread canary at %gs:20 */ + SSP_GLOBAL, /* global canary */ +}; + #endif |