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Apr 24, 2025
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[NFC][CFI] Add CFI minimal runtime tests #137093

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21 changes: 21 additions & 0 deletions clang/test/Driver/fsanitize.c
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Expand Up @@ -951,6 +951,27 @@
// CHECK-CFI-MINIMAL: "-fsanitize-trap=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-MINIMAL: "-fsanitize-minimal-runtime"

// RUN: %clang --target=x86_64-linux-gnu -fsanitize=cfi -flto -fvisibility=hidden -fsanitize-minimal-runtime -fsanitize-recover=cfi -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-RECOVER-MINIMAL
// CHECK-CFI-RECOVER-MINIMAL: "-fsanitize=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-RECOVER-MINIMAL: "-fsanitize-trap=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-RECOVER-MINIMAL: "-fsanitize-minimal-runtime"

// RUN: %clang --target=x86_64-linux-gnu -fsanitize=cfi -flto -fvisibility=hidden -fsanitize-minimal-runtime -fno-sanitize-recover=cfi -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-ABORT-MINIMAL
// CHECK-CFI-ABORT-MINIMAL: "-fsanitize=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-ABORT-MINIMAL: "-fsanitize-trap=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-ABORT-MINIMAL: "-fsanitize-minimal-runtime"

// RUN: not %clang --target=x86_64-linux-gnu -fsanitize=cfi -flto -fvisibility=hidden -fsanitize-minimal-runtime -fno-sanitize-trap=cfi -fsanitize-recover=cfi -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-NOTRAP-RECOVER-MINIMAL --
// CHECK-CFI-NOTRAP-RECOVER-MINIMAL: 'fsanitize-minimal-runtime' only allowed with 'fsanitize-trap=cfi'
// CHECK-CFI-NOTRAP-RECOVER-MINIMAL: "-fsanitize=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-NOTRAP-RECOVER-MINIMAL: "-fsanitize-recover=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-NOTRAP-RECOVER-MINIMAL: "-fsanitize-minimal-runtime"

// RUN: not %clang --target=x86_64-linux-gnu -fsanitize=cfi -flto -fvisibility=hidden -fsanitize-minimal-runtime -fno-sanitize-trap=cfi -fno-sanitize-recover=cfi -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-NOTRAP-ABORT-MINIMAL
// CHECK-CFI-NOTRAP-ABORT-MINIMAL: 'fsanitize-minimal-runtime' only allowed with 'fsanitize-trap=cfi'
// CHECK-CFI-NOTRAP-ABORT-MINIMAL: "-fsanitize=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
// CHECK-CFI-NOTRAP-ABORT-MINIMAL: "-fsanitize-minimal-runtime"

// RUN: not %clang --target=x86_64-linux-gnu -fsanitize=cfi -fno-sanitize-trap=cfi-icall -flto -fvisibility=hidden -fsanitize-minimal-runtime %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-NOTRAP-MINIMAL
// CHECK-CFI-NOTRAP-MINIMAL: error: invalid argument 'fsanitize-minimal-runtime' only allowed with 'fsanitize-trap=cfi'

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78 changes: 78 additions & 0 deletions clang/test/Driver/sanitizer-ld.c
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Expand Up @@ -908,6 +908,84 @@
// CHECK-CFI-CROSS-DSO-DIAG-ANDROID: "{{[^"]*}}libclang_rt.ubsan_standalone.so"
// CHECK-CFI-CROSS-DSO-DIAG-ANDROID: "--export-dynamic-symbol=__cfi_check"

// CFI by itself does not link runtime libraries.
// RUN: %clang -fsanitize=cfi \
// RUN: -flto -fvisibility=hidden \
// RUN: -fsanitize-minimal-runtime \
// RUN: --target=x86_64-unknown-linux -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: -### %s 2>&1 \
// RUN: | %{filecheck} --check-prefix=CHECK-CFI-MINRT-LINUX
// CHECK-CFI-MINRT-LINUX: "{{.*}}ld{{(.exe)?}}"

// CFI with diagnostics links the UBSan runtime.
// RUN: not %clang -fsanitize=cfi -fno-sanitize-trap=cfi -fsanitize-recover=cfi \
// RUN: -flto -fvisibility=hidden \
// RUN: -fsanitize-minimal-runtime \
// RUN: --target=x86_64-unknown-linux -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: -### %s 2>&1 \
// RUN: | %{filecheck} --check-prefix=CHECK-CFI-MINRT-DIAG-LINUX
// CHECK-CFI-MINRT-DIAG-LINUX: 'fsanitize-minimal-runtime' only allowed with 'fsanitize-trap=cfi'
// CHECK-CFI-MINRT-DIAG-LINUX: "{{.*}}ld{{(.exe)?}}"
// CHECK-CFI-MINRT-DIAG-LINUX: "--whole-archive" "{{[^"]*}}libclang_rt.ubsan_minimal.a" "--no-whole-archive"

// Cross-DSO CFI links the CFI runtime.
// RUN: %clang -fsanitize=cfi -fsanitize-cfi-cross-dso \
// RUN: -flto -fvisibility=hidden \
// RUN: -fsanitize-minimal-runtime \
// RUN: --target=x86_64-unknown-linux -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: -### %s 2>&1 \
// RUN: | %{filecheck} --check-prefix=CHECK-CFI-MINRT-CROSS-DSO-LINUX
// CHECK-CFI-MINRT-CROSS-DSO-LINUX: "{{.*}}ld{{(.exe)?}}"
// CHECK-CFI-MINRT-CROSS-DSO-LINUX: "--whole-archive" "{{[^"]*}}libclang_rt.cfi.a" "--no-whole-archive"
// CHECK-CFI-MINRT-CROSS-DSO-LINUX: -export-dynamic

// Cross-DSO CFI with diagnostics links just the CFI runtime.
// RUN: not %clang -fsanitize=cfi -fsanitize-cfi-cross-dso \
// RUN: -flto -fvisibility=hidden \
// RUN: -fsanitize-minimal-runtime \
// RUN: -fno-sanitize-trap=cfi -fsanitize-recover=cfi \
// RUN: --target=x86_64-unknown-linux -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: -### %s 2>&1 \
// RUN: | %{filecheck} --check-prefix=CHECK-CFI-MINRT-CROSS-DSO-DIAG-LINUX
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-LINUX: 'fsanitize-minimal-runtime' only allowed with 'fsanitize-trap=cfi'
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-LINUX: "{{.*}}ld{{(.exe)?}}"
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-LINUX: "--whole-archive" "{{[^"]*}}libclang_rt.cfi_diag.a" "--no-whole-archive"
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-LINUX: -export-dynamic

// Cross-DSO CFI on Android does not link runtime libraries.
// RUN: %clang -fsanitize=cfi -fsanitize-cfi-cross-dso \
// RUN: -flto -fvisibility=hidden \
// RUN: -fsanitize-minimal-runtime \
// RUN: --target=aarch64-linux-android -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_android_tree \
// RUN: -### %s 2>&1 \
// RUN: | %{filecheck} --check-prefix=CHECK-CFI-MINRT-CROSS-DSO-ANDROID
// CHECK-CFI-MINRT-CROSS-DSO-ANDROID: "{{.*}}ld{{(.exe)?}}"

// Cross-DSO CFI with diagnostics on Android links just the UBSAN runtime.
// RUN: not %clang -fsanitize=cfi -fsanitize-cfi-cross-dso \
// RUN: -flto -fvisibility=hidden \
// RUN: -fsanitize-minimal-runtime \
// RUN: -fno-sanitize-trap=cfi -fsanitize-recover=cfi \
// RUN: --target=aarch64-linux-android -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_android_tree \
// RUN: -### %s 2>&1 \
// RUN: | %{filecheck} --check-prefix=CHECK-CFI-MINRT-CROSS-DSO-DIAG-ANDROID
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-ANDROID: 'fsanitize-minimal-runtime' only allowed with 'fsanitize-trap=cfi'
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-ANDROID: "{{.*}}ld{{(.exe)?}}"
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-ANDROID: "{{[^"]*}}libclang_rt.ubsan_minimal.so"
// CHECK-CFI-MINRT-CROSS-DSO-DIAG-ANDROID: "--export-dynamic-symbol=__cfi_check"

// RUN: %clangxx -fsanitize=address -### %s 2>&1 \
// RUN: -mmacos-version-min=10.6 \
// RUN: --target=x86_64-apple-darwin13.4.0 -fuse-ld=ld -stdlib=platform \
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