Hardware-assisted AddressSanitizer (clang part).

Summary:
Driver, frontend and LLVM codegen for HWASan.
A clone of ASan, basically.

Reviewers: kcc, pcc, alekseyshl

Subscribers: srhines, javed.absar, cfe-commits

Differential Revision: https://reviews.llvm.org/D40936

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320232 91177308-0d34-0410-b5e6-96231b3b80d8

8 files changed, 85 insertions, 2 deletions

diff --git a/test/Driver/Inputs/resource_dir/hwasan_blacklist.txt b/test/Driver/Inputs/resource_dir/hwasan_blacklist.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/resource_dir/hwasan_blacklist.txt
diff --git a/test/Driver/Inputs/resource_dir/lib/linux/libclang_rt.hwasan-aarch64.a.syms b/test/Driver/Inputs/resource_dir/lib/linux/libclang_rt.hwasan-aarch64.a.syms
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/resource_dir/lib/linux/libclang_rt.hwasan-aarch64.a.syms
diff --git a/test/Driver/asan.c b/test/Driver/asan.c
index 4db103d264..288666d1ca 100644
--- a/test/Driver/asan.c
+++ b/test/Driver/asan.c
@@ -6,8 +6,13 @@
 // RUN: %clang -O1 -target i386-unknown-linux -fsanitize=kernel-address %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-KASAN
 // RUN: %clang -O2 -target i386-unknown-linux -fsanitize=kernel-address %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-KASAN
 // RUN: %clang -O3 -target i386-unknown-linux -fsanitize=kernel-address %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-KASAN
+// RUN: %clang     -target aarch64-unknown-linux -fsanitize=hwaddress %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-HWASAN
+// RUN: %clang -O1 -target aarch64-unknown-linux -fsanitize=hwaddress %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-HWASAN
+// RUN: %clang -O2 -target aarch64-unknown-linux -fsanitize=hwaddress %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-HWASAN
+// RUN: %clang -O3 -target aarch64-unknown-linux -fsanitize=hwaddress %s -S -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-HWASAN
 // Verify that -fsanitize={address,kernel-address} invoke ASan and KASan instrumentation.
 
 int foo(int *a) { return *a; }
 // CHECK-ASAN: __asan_init
 // CHECK-KASAN: __asan_load4_noabort
+// CHECK-HWASAN: __hwasan_init
diff --git a/test/Driver/fsanitize-blacklist.c b/test/Driver/fsanitize-blacklist.c
index 9268bb2b48..3784a23d33 100644
--- a/test/Driver/fsanitize-blacklist.c
+++ b/test/Driver/fsanitize-blacklist.c
@@ -13,6 +13,7 @@
 // RUN: echo "badline" > %t.bad
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-blacklist=%t.good -fsanitize-blacklist=%t.second %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-BLACKLIST
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress -fsanitize-blacklist=%t.good -fsanitize-blacklist=%t.second %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-BLACKLIST
 // CHECK-BLACKLIST: -fsanitize-blacklist={{.*}}.good" "-fsanitize-blacklist={{.*}}.second
 
 // Now, check for -fdepfile-entry flags.
@@ -20,8 +21,10 @@
 // CHECK-BLACKLIST2: -fdepfile-entry={{.*}}.good" "-fdepfile-entry={{.*}}.second
 
 // Check that the default blacklist is not added as an extra dependency.
-// RUN: %clang -target x86_64-linux-gnu -fsanitize=address -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT-BLACKLIST --implicit-check-not=fdepfile-entry
-// CHECK-DEFAULT-BLACKLIST: -fsanitize-blacklist={{.*}}asan_blacklist.txt
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=address -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT-BLACKLIST-ASAN --implicit-check-not=fdepfile-entry
+// CHECK-DEFAULT-BLACKLIST-ASAN: -fsanitize-blacklist={{.*}}/asan_blacklist.txt
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT-BLACKLIST-HWASAN --implicit-check-not=fdepfile-entry
+// CHECK-DEFAULT-BLACKLIST-HWASAN: -fsanitize-blacklist={{.*}}/hwasan_blacklist.txt
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=integer -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT-UBSAN-BLACKLIST --implicit-check-not=fdepfile-entry
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=nullability -resource-dir=%S/Inputs/resource_dir %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT-UBSAN-BLACKLIST --implicit-check-not=fdepfile-entry
diff --git a/test/Driver/fsanitize-coverage.c b/test/Driver/fsanitize-coverage.c
index cd05cfdb7a..4073ea4864 100644
--- a/test/Driver/fsanitize-coverage.c
+++ b/test/Driver/fsanitize-coverage.c
@@ -6,6 +6,7 @@
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=func,trace-pc %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=kernel-address -fsanitize-coverage=func,trace-pc %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=hwaddress -fsanitize-coverage=func,trace-pc %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=memory -fsanitize-coverage=func,trace-pc %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=leak -fsanitize-coverage=func,trace-pc %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined -fsanitize-coverage=func,trace-pc %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-FUNC
diff --git a/test/Driver/fsanitize.c b/test/Driver/fsanitize.c
index cd965469d9..eb8eab574c 100644
--- a/test/Driver/fsanitize.c
+++ b/test/Driver/fsanitize.c
@@ -85,6 +85,15 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=kernel-address,address -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANKA-SANA
 // CHECK-SANKA-SANA: '-fsanitize=kernel-address' not allowed with '-fsanitize=address'
 
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress,thread -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANHA-SANT
+// CHECK-SANHA-SANT: '-fsanitize=hwaddress' not allowed with '-fsanitize=thread'
+
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress,memory -pie -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANHA-SANM
+// CHECK-SANHA-SANM: '-fsanitize=hwaddress' not allowed with '-fsanitize=memory'
+
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress,address -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANHA-SANA
+// CHECK-SANHA-SANA: '-fsanitize=hwaddress' not allowed with '-fsanitize=address'
+
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=kernel-address,leak -pie -fno-rtti %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANKA-SANL
 // CHECK-SANKA-SANL: '-fsanitize=kernel-address' not allowed with '-fsanitize=leak'
 
@@ -464,6 +473,9 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize-trap=address -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ASAN-TRAP
 // CHECK-ASAN-TRAP: error: unsupported argument 'address' to option '-fsanitize-trap'
 
+// RUN: %clang -target aarch64-linux-gnu -fsanitize-trap=hwaddress -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HWASAN-TRAP
+// CHECK-HWASAN-TRAP: error: unsupported argument 'hwaddress' to option '-fsanitize-trap'
+
 // RUN: %clang -target x86_64-apple-darwin10 -mmacosx-version-min=10.7 -flto -fsanitize=cfi-vcall -fno-sanitize-trap=cfi -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-NOTRAP-OLD-MACOS
 // CHECK-CFI-NOTRAP-OLD-MACOS: error: unsupported option '-fno-sanitize-trap=cfi-vcall' for target 'x86_64-apple-darwin10'
 
@@ -595,6 +607,8 @@
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-minimal-runtime -fsanitize=undefined %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ASAN-UBSAN-MINIMAL
 // CHECK-ASAN-UBSAN-MINIMAL: error: invalid argument '-fsanitize-minimal-runtime' not allowed with '-fsanitize=address'
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress -fsanitize-minimal-runtime %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HWASAN-MINIMAL
+// CHECK-HWASAN-MINIMAL: error: invalid argument '-fsanitize-minimal-runtime' not allowed with '-fsanitize=hwaddress'
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=cfi -flto -fvisibility=hidden -fsanitize-minimal-runtime %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI-MINIMAL
 // CHECK-CFI-MINIMAL: "-fsanitize=cfi-derived-cast,cfi-icall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall"
@@ -634,3 +648,8 @@
 // CHECK-SCUDO-MSAN: error: invalid argument '-fsanitize=scudo' not allowed with '-fsanitize=memory'
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=scudo,thread  %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SCUDO-TSAN
 // CHECK-SCUDO-TSAN: error: invalid argument '-fsanitize=scudo' not allowed with '-fsanitize=thread'
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=scudo,hwaddress  %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SCUDO-HWASAN
+// CHECK-SCUDO-HWASAN: error: invalid argument '-fsanitize=scudo' not allowed with '-fsanitize=hwaddress'
+
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=hwaddress %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANHA-X86_64
+// CHECK-SANHA-X86_64: unsupported option '-fsanitize=hwaddress' for target
diff --git a/test/Driver/sanitize_unwind_tables.c b/test/Driver/sanitize_unwind_tables.c
index b78843ef8f..e74c15833f 100644
--- a/test/Driver/sanitize_unwind_tables.c
+++ b/test/Driver/sanitize_unwind_tables.c
@@ -9,5 +9,7 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=dataflow %s -### 2>&1 |  FileCheck %s
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=efficiency-cache-frag %s -### 2>&1 |  FileCheck %s
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=efficiency-working-set %s -### 2>&1 |  FileCheck %s
+// RUN: %clang -target aarch64-linux-gnu -fsanitize=hwaddress %s -### 2>&1 |  FileCheck %s
+// RUN: %clang -target aarch64-linux-android -fsanitize=hwaddress %s -### 2>&1 |  FileCheck %s
 
 // CHECK: -munwind-tables
diff --git a/test/Driver/sanitizer-ld.c b/test/Driver/sanitizer-ld.c
index 8fc31fe37a..0da4255f69 100644
--- a/test/Driver/sanitizer-ld.c
+++ b/test/Driver/sanitizer-ld.c
@@ -694,3 +694,56 @@
 // CHECK-SCUDO-ANDROID-STATIC: "-whole-archive" "{{.*}}libclang_rt.scudo-arm-android.a" "-no-whole-archive"
 // CHECK-SCUDO-ANDROID-STATIC-NOT: "-lstdc++"
 // CHECK-SCUDO-ANDROID-STATIC: "-lpthread"
+
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
+// RUN:     -resource-dir=%S/Inputs/resource_dir \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-HWASAN-LINUX %s
+//
+// CHECK-HWASAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
+// CHECK-HWASAN-LINUX-NOT: "-lc"
+// CHECK-HWASAN-LINUX: libclang_rt.hwasan-aarch64.a"
+// CHECK-HWASAN-LINUX-NOT: "-export-dynamic"
+// CHECK-HWASAN-LINUX: "--dynamic-list={{.*}}libclang_rt.hwasan-aarch64.a.syms"
+// CHECK-HWASAN-LINUX-NOT: "-export-dynamic"
+// CHECK-HWASAN-LINUX: "-lpthread"
+// CHECK-HWASAN-LINUX: "-lrt"
+// CHECK-HWASAN-LINUX: "-ldl"
+
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress -shared-libsan \
+// RUN:     -resource-dir=%S/Inputs/resource_dir \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-SHARED-HWASAN-LINUX %s
+
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress \
+// RUN:     -shared-libsan \
+// RUN:     -resource-dir=%S/Inputs/resource_dir \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-SHARED-HWASAN-LINUX %s
+//
+// CHECK-SHARED-HWASAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
+// CHECK-SHARED-HWASAN-LINUX-NOT: "-lc"
+// CHECK-SHARED-HWASAN-LINUX: libclang_rt.hwasan-aarch64.so"
+// CHECK-SHARED-HWASAN-LINUX-NOT: "-lpthread"
+// CHECK-SHARED-HWASAN-LINUX-NOT: "-lrt"
+// CHECK-SHARED-HWASAN-LINUX-NOT: "-ldl"
+// CHECK-SHARED-HWASAN-LINUX-NOT: "-export-dynamic"
+// CHECK-SHARED-HWASAN-LINUX-NOT: "--dynamic-list"
+
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.so -shared 2>&1 \
+// RUN:     -target aarch64-unknown-linux -fuse-ld=ld -fsanitize=hwaddress -shared-libsan \
+// RUN:     -resource-dir=%S/Inputs/resource_dir \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-DSO-SHARED-HWASAN-LINUX %s
+//
+// CHECK-DSO-SHARED-HWASAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
+// CHECK-DSO-SHARED-HWASAN-LINUX-NOT: "-lc"
+// CHECK-DSO-SHARED-HWASAN-LINUX: libclang_rt.hwasan-aarch64.so"
+// CHECK-DSO-SHARED-HWASAN-LINUX-NOT: "-lpthread"
+// CHECK-DSO-SHARED-HWASAN-LINUX-NOT: "-lrt"
+// CHECK-DSO-SHARED-HWASAN-LINUX-NOT: "-ldl"
+// CHECK-DSO-SHARED-HWASAN-LINUX-NOT: "-export-dynamic"
+// CHECK-DSO-SHARED-HWASAN-LINUX-NOT: "--dynamic-list"