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PassWrapper: disable UseOdrIndicator for Asan Win32
As described here UseOdrIndicator should be disabled on Windows since link.exe does not support duplicate weak definitions (https://reviews.llvm.org/D137227). Co-Authored-By: Bastian Kersting <bkersting@google.com>
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@ -882,10 +882,12 @@ extern "C" LLVMRustResult LLVMRustOptimize(
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SanitizerOptions->SanitizeKernelAddress) {
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OptimizerLastEPCallbacks.push_back(
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#if LLVM_VERSION_GE(20, 0)
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[SanitizerOptions](ModulePassManager &MPM, OptimizationLevel Level,
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ThinOrFullLTOPhase phase) {
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[SanitizerOptions, TM](ModulePassManager &MPM,
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OptimizationLevel Level,
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ThinOrFullLTOPhase phase) {
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#else
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[SanitizerOptions](ModulePassManager &MPM, OptimizationLevel Level) {
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[SanitizerOptions, TM](ModulePassManager &MPM,
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OptimizationLevel Level) {
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#endif
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auto CompileKernel = SanitizerOptions->SanitizeKernelAddress;
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AddressSanitizerOptions opts = AddressSanitizerOptions{
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@ -895,7 +897,12 @@ extern "C" LLVMRustResult LLVMRustOptimize(
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/*UseAfterScope=*/true,
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AsanDetectStackUseAfterReturnMode::Runtime,
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};
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MPM.addPass(AddressSanitizerPass(opts));
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MPM.addPass(AddressSanitizerPass(
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opts,
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/*UseGlobalGC*/ true,
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// UseOdrIndicator should be false on windows machines
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// https://reviews.llvm.org/D137227
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!TM->getTargetTriple().isOSWindows()));
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});
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}
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if (SanitizerOptions->SanitizeHWAddress) {
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18
tests/ui/asan-odr-win/asan_odr_windows.rs
Normal file
18
tests/ui/asan-odr-win/asan_odr_windows.rs
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@ -0,0 +1,18 @@
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//! Check that crates can be linked together with `-Z sanitizer=address` on msvc.
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//! See <https://github.com/rust-lang/rust/issues/124390>.
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//@ run-pass
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//@ compile-flags:-Zsanitizer=address
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//@ aux-build: asan_odr_win-2.rs
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//@ only-windows-msvc
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extern crate othercrate;
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fn main() {
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let result = std::panic::catch_unwind(|| {
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println!("hello!");
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});
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assert!(result.is_ok());
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othercrate::exposed_func();
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}
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11
tests/ui/asan-odr-win/auxiliary/asan_odr_win-2.rs
Normal file
11
tests/ui/asan-odr-win/auxiliary/asan_odr_win-2.rs
Normal file
@ -0,0 +1,11 @@
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//@ no-prefer-dynamic
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//@ compile-flags: -Z sanitizer=address
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#![crate_name = "othercrate"]
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#![crate_type = "rlib"]
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pub fn exposed_func() {
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let result = std::panic::catch_unwind(|| {
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println!("hello!");
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});
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assert!(result.is_ok());
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}
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