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| author | Alexey Samsonov <samsonov@google.com> | 2013-01-20 13:12:12 +0000 |
|---|---|---|
| committer | Alexey Samsonov <samsonov@google.com> | 2013-01-20 13:12:12 +0000 |
| commit | 29524a98714e5a102ef7d68d5f668577d8e68ca4 (patch) | |
| tree | 7c7612ea5399ab2f8725fc0fb2e851b7180c4d0a /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 1b4fb3e08b28f12d508aec0bbdcb6f41cfb0ee38 (diff) | |
| download | bcm5719-llvm-29524a98714e5a102ef7d68d5f668577d8e68ca4.tar.gz bcm5719-llvm-29524a98714e5a102ef7d68d5f668577d8e68ca4.zip | |
Add top-level Clang flag -f(no-)sanitize-address-zero-base-shadow that makes AddressSanitizer use bottom of the address space for the shadow memory. On Linux it can be used with -fPIE/-pie to improve performance.
llvm-svn: 172974
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 9329b3bc1b0..a16b822d235 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -404,8 +404,10 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); Opts.SanitizerBlacklistFile = Args.getLastArgValue(OPT_fsanitize_blacklist); - Opts.MemorySanitizerTrackOrigins = + Opts.SanitizeMemoryTrackOrigins = Args.hasArg(OPT_fsanitize_memory_track_origins); + Opts.SanitizeAddressZeroBaseShadow = + Args.hasArg(OPT_fsanitize_address_zero_base_shadow); Opts.SSPBufferSize = Args.getLastArgIntValue(OPT_stack_protector_buffer_size, 8, Diags); Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); |
