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[tsan] add ThreadSanitizer linker flags on Linux and also copy the tsan-rt into the appropriate place at build time 

llvm-svn: 156906
This commit is contained in:
Kostya Serebryany 2012-05-16 06:36:00 +00:00
parent 7f0e7bae25
commit 66e8fab1c8
2 changed files with 23 additions and 1 deletions
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22
clang/lib/Driver/Tools.cpp
View File

@ -1304,6 +1304,27 @@ static void addAsanRTLinux(const ToolChain &TC, const ArgList &Args,
}
}
/// If ThreadSanitizer is enabled, add appropriate linker flags (Linux).
/// This needs to be called before we add the C run-time (malloc, etc).
static void addTsanRTLinux(const ToolChain &TC, const ArgList &Args,
ArgStringList &CmdArgs) {
if (!Args.hasFlag(options::OPT_fthread_sanitizer,
options::OPT_fno_thread_sanitizer, false))
return;
if (!Args.hasArg(options::OPT_shared)) {
// LibTsan is "libclang_rt.tsan-<ArchName>.a" in the Linux library
// resource directory.
SmallString<128> LibTsan(TC.getDriver().ResourceDir);
llvm::sys::path::append(LibTsan, "lib", "linux",
(Twine("libclang_rt.tsan-") +
TC.getArchName() + ".a"));
CmdArgs.push_back(Args.MakeArgString(LibTsan));
CmdArgs.push_back("-lpthread");
CmdArgs.push_back("-ldl");
CmdArgs.push_back("-export-dynamic");
}
}
static bool shouldUseFramePointer(const ArgList &Args,
const llvm::Triple &Triple) {
if (Arg *A = Args.getLastArg(options::OPT_fno_omit_frame_pointer,
@ -5330,6 +5351,7 @@ void linuxtools::Link::ConstructJob(Compilation &C, const JobAction &JA,
// Call this before we add the C run-time.
addAsanRTLinux(getToolChain(), Args, CmdArgs);
addTsanRTLinux(getToolChain(), Args, CmdArgs);
if (!Args.hasArg(options::OPT_nostdlib)) {
if (!Args.hasArg(options::OPT_nodefaultlibs)) {

2
clang/runtime/compiler-rt/Makefile
View File

@ -90,7 +90,7 @@ RuntimeLibrary.linux.Configs += \
endif
ifeq ($(ARCH),x86_64)
RuntimeLibrary.linux.Configs += \
full-x86_64 profile-x86_64 asan-x86_64
full-x86_64 profile-x86_64 asan-x86_64 tsan-x86_64
endif
endif