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Driver: CrossWindows sanitizers link support 

Add the required libraries to the linker invocation when building with
sanitizers.

llvm-svn: 251600
This commit is contained in:
Saleem Abdulrasool 2015-10-29 03:36:45 +00:00
parent b48f1fe4ee
commit bb2e5e4c4a
2 changed files with 29 additions and 0 deletions
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16
clang/lib/Driver/Tools.cpp
View File

@ -9746,6 +9746,22 @@ void CrossWindows::Linker::ConstructJob(Compilation &C, const JobAction &JA,
}
}
if (TC.getSanitizerArgs().needsAsanRt()) {
// TODO handle /MT[d] /MD[d]
if (Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back(TC.getCompilerRTArgString(Args, "asan_dll_thunk"));
} else {
for (const auto &Lib : {"asan_dynamic", "asan_dynamic_runtime_thunk"})
CmdArgs.push_back(TC.getCompilerRTArgString(Args, Lib));
// Make sure the dynamic runtime thunk is not optimized out at link time
// to ensure proper SEH handling.
CmdArgs.push_back(Args.MakeArgString("--undefined"));
CmdArgs.push_back(Args.MakeArgString(TC.getArch() == llvm::Triple::x86
? "___asan_seh_interceptor"
: "__asan_seh_interceptor"));
}
}
Exec = Args.MakeArgString(TC.GetLinkerPath());
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));

13
clang/test/Driver/windows-cross.c
View File

@ -47,6 +47,19 @@
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-ADDRESS
// CHECK-SANITIZE-ADDRESS: "-fsanitize=address"
// CHECK-SANITIZE-ADDRESS: "{{.*}}clang_rt.asan_dll_thunk-arm.lib"
// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=lld-link2 -o test.exe -fsanitize=address -x c++ %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-ADDRESS-EXE
// CHECK-SANITIZE-ADDRESS-EXE: "-fsanitize=address"
// CHECK-SANITIZE-ADDRESS-EXE: "{{.*}}clang_rt.asan_dynamic-arm.lib" "{{.*}}clang_rt.asan_dynamic_runtime_thunk-arm.lib" "--undefined" "__asan_seh_interceptor"
// RUN: %clang -### -target i686-windows-itanium -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=lld-link2 -o test.exe -fsanitize=address -x c++ %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-ADDRESS-EXE-X86
// CHECK-SANITIZE-ADDRESS-EXE-X86: "-fsanitize=address"
// CHECK-SANITIZE-ADDRESS-EXE-X86: "{{.*}}clang_rt.asan_dynamic-i686.lib" "{{.*}}clang_rt.asan_dynamic_runtime_thunk-i686.lib" "--undefined" "___asan_seh_interceptor"
// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=lld-link2 -shared -o shared.dll -fsanitize=tsan -x c++ %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-TSAN