Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/asan/CMakeLists.txt

@@ -0,0 +1,176 @@
+set(ASAN_LIT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+
+set(ASAN_TESTSUITES)
+set(ASAN_DYNAMIC_TESTSUITES)
+
+# Before Windows 8 (CMAKE_SYSTEM_VERSION 6.2), reserving large regions of shadow
+# memory allocated physical memory for page tables, which made it very
+# unreliable. Remove the asan tests from check-all in this configuration.
+set(SHADOW_MAPPING_UNRELIABLE FALSE)
+if(OS_NAME MATCHES "Windows" AND CMAKE_SIZEOF_VOID_P EQUAL 8 AND
+    ${CMAKE_SYSTEM_VERSION} LESS 6.2)
+  set(SHADOW_MAPPING_UNRELIABLE TRUE)
+  message(WARNING "Disabling ASan tests because they are unreliable on Windows 7 and earlier")
+endif()
+
+if (SHADOW_MAPPING_UNRELIABLE)
+  set(EXCLUDE_FROM_ALL TRUE)
+endif()
+
+macro(get_bits_for_arch arch bits)
+  if (${arch} MATCHES "i386|arm|mips|mipsel")
+    set(${bits} 32)
+  elseif (${arch} MATCHES "x86_64|powerpc64|powerpc64le|aarch64|mips64|mips64el|s390x")
+    set(${bits} 64)
+  else()
+    message(FATAL_ERROR "Unknown target architecture: ${arch}")
+  endif()
+endmacro()
+
+set(ASAN_TEST_DEPS ${SANITIZER_COMMON_LIT_TEST_DEPS})
+if(NOT COMPILER_RT_STANDALONE_BUILD)
+  list(APPEND ASAN_TEST_DEPS asan)
+  if(NOT APPLE AND COMPILER_RT_HAS_LLD)
+    list(APPEND ASAN_TEST_DEPS lld)
+  endif()
+endif()
+set(ASAN_DYNAMIC_TEST_DEPS ${ASAN_TEST_DEPS})
+
+set(ASAN_TEST_ARCH ${ASAN_SUPPORTED_ARCH})
+if(APPLE)
+  darwin_filter_host_archs(ASAN_SUPPORTED_ARCH ASAN_TEST_ARCH)
+endif()
+
+foreach(arch ${ASAN_TEST_ARCH})
+  if(ANDROID)
+    set(ASAN_TEST_TARGET_ARCH ${arch}-android)
+  else()
+    set(ASAN_TEST_TARGET_ARCH ${arch})
+  endif()
+
+  set(ASAN_TEST_IOS "0")
+  pythonize_bool(ASAN_TEST_IOS)
+  set(ASAN_TEST_IOSSIM "0")
+  pythonize_bool(ASAN_TEST_IOSSIM)
+
+  string(TOLOWER "-${arch}-${OS_NAME}" ASAN_TEST_CONFIG_SUFFIX)
+  get_bits_for_arch(${arch} ASAN_TEST_BITS)
+  get_test_cc_for_arch(${arch} ASAN_TEST_TARGET_CC ASAN_TEST_TARGET_CFLAGS)
+  if(ANDROID)
+    set(ASAN_TEST_DYNAMIC True)
+  else()
+    set(ASAN_TEST_DYNAMIC False)
+  endif()
+  string(TOUPPER ${arch} ARCH_UPPER_CASE)
+  set(CONFIG_NAME ${ARCH_UPPER_CASE}${OS_NAME}Config)
+  configure_lit_site_cfg(
+    ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
+    ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg
+    )
+  list(APPEND ASAN_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME})
+
+  if(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME)
+    string(TOLOWER "-${arch}-${OS_NAME}-dynamic" ASAN_TEST_CONFIG_SUFFIX)
+    set(ASAN_TEST_DYNAMIC True)
+    set(CONFIG_NAME ${ARCH_UPPER_CASE}${OS_NAME}DynamicConfig)
+    configure_lit_site_cfg(
+      ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg)
+    list(APPEND ASAN_DYNAMIC_TESTSUITES
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME})
+  endif()
+endforeach()
+
+# iOS and iOS simulator test suites
+# These are not added into "check-all", in order to run these tests, use
+# "check-asan-iossim-x86_64" and similar. They also require that an extra env
+# variable to select which iOS device or simulator to use, e.g.:
+# SANITIZER_IOSSIM_TEST_DEVICE_IDENTIFIER="iPhone 6"
+if(APPLE)
+  set(EXCLUDE_FROM_ALL ON)
+
+  set(ASAN_TEST_TARGET_CC ${COMPILER_RT_TEST_COMPILER})
+  set(ASAN_TEST_IOS "1")
+  pythonize_bool(ASAN_TEST_IOS)
+  set(ASAN_TEST_DYNAMIC True)
+
+  foreach(arch ${DARWIN_iossim_ARCHS})
+    set(ASAN_TEST_IOSSIM "1")
+    pythonize_bool(ASAN_TEST_IOSSIM)
+    set(ASAN_TEST_TARGET_ARCH ${arch})
+    set(ASAN_TEST_TARGET_CFLAGS "-arch ${arch} -isysroot ${DARWIN_iossim_SYSROOT} ${COMPILER_RT_TEST_COMPILER_CFLAGS}")
+    set(ASAN_TEST_CONFIG_SUFFIX "-${arch}-iossim")
+    get_bits_for_arch(${arch} ASAN_TEST_BITS)
+    string(TOUPPER ${arch} ARCH_UPPER_CASE)
+    set(CONFIG_NAME "IOSSim${ARCH_UPPER_CASE}Config")
+    configure_lit_site_cfg(
+      ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg
+      )
+    add_lit_testsuite(check-asan-iossim-${arch} "AddressSanitizer iOS Simulator ${arch} tests"
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/
+      DEPENDS ${ASAN_TEST_DEPS})
+  endforeach()
+
+  foreach (arch ${DARWIN_ios_ARCHS})
+    set(ASAN_TEST_IOSSIM "0")
+    pythonize_bool(ASAN_TEST_IOSSIM)
+    set(ASAN_TEST_TARGET_ARCH ${arch})
+    set(ASAN_TEST_TARGET_CFLAGS "-arch ${arch} -isysroot ${DARWIN_ios_SYSROOT} ${COMPILER_RT_TEST_COMPILER_CFLAGS}")
+    set(ASAN_TEST_CONFIG_SUFFIX "-${arch}-ios")
+    get_bits_for_arch(${arch} ASAN_TEST_BITS)
+    string(TOUPPER ${arch} ARCH_UPPER_CASE)
+    set(CONFIG_NAME "IOS${ARCH_UPPER_CASE}Config")
+    configure_lit_site_cfg(
+      ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg
+      )
+    add_lit_testsuite(check-asan-ios-${arch} "AddressSanitizer iOS ${arch} tests"
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/
+      DEPENDS ${ASAN_TEST_DEPS})
+  endforeach()
+
+  set(EXCLUDE_FROM_ALL OFF)
+endif()
+
+# Add unit tests.
+if(COMPILER_RT_INCLUDE_TESTS)
+  set(ASAN_TEST_DYNAMIC False)
+  configure_lit_site_cfg(
+    ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.in
+    ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg)
+  if(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME)
+    set(ASAN_TEST_DYNAMIC True)
+    configure_lit_site_cfg(
+      ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.in
+      ${CMAKE_CURRENT_BINARY_DIR}/Unit/dynamic/lit.site.cfg)
+  endif()
+  # FIXME: support unit test in the android test runner
+  if (NOT ANDROID)
+    list(APPEND ASAN_TEST_DEPS AsanUnitTests)
+    list(APPEND ASAN_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/Unit)
+    if(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME)
+      list(APPEND ASAN_DYNAMIC_TEST_DEPS AsanDynamicUnitTests)
+      list(APPEND ASAN_DYNAMIC_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/Unit/dynamic)
+    endif()
+  endif()
+endif()
+
+add_lit_testsuite(check-asan "Running the AddressSanitizer tests"
+  ${ASAN_TESTSUITES}
+  DEPENDS ${ASAN_TEST_DEPS})
+set_target_properties(check-asan PROPERTIES FOLDER "Compiler-RT Misc")
+
+if(COMPILER_RT_ASAN_HAS_STATIC_RUNTIME)
+  add_lit_testsuite(check-asan-dynamic
+                    "Running the AddressSanitizer tests with dynamic runtime"
+                    ${ASAN_DYNAMIC_TESTSUITES}
+                    DEPENDS ${ASAN_DYNAMIC_TEST_DEPS})
+  set_target_properties(check-asan-dynamic
+                        PROPERTIES FOLDER "Compiler-RT Misc")
+endif()
+
+# Reset EXCLUDE_FROM_ALL to its initial value.
+if (SHADOW_MAPPING_UNRELIABLE)
+  set(EXCLUDE_FROM_ALL FALSE)
+endif()

external/llvm-project/compiler-rt/test/asan/TestCases/Android/lit.local.cfg

@@ -0,0 +1,11 @@
+def getRoot(config):
+  if not config.parent:
+    return config
+  return getRoot(config.parent)
+
+root = getRoot(config)
+
+if root.android != "1":
+  config.unsupported = True
+
+config.substitutions.append( ("%device", "/data/local/tmp/Output") )

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/abort_on_error.cc

@@ -0,0 +1,19 @@
+// Check that with empty ASAN_OPTIONS, ASan reports on OS X actually crash
+// the process (abort_on_error=1). See also Linux/abort_on_error.cc.
+
+// RUN: %clangxx_asan %s -o %t
+
+// Intentionally don't inherit the default ASAN_OPTIONS.
+// RUN: env ASAN_OPTIONS="" not --crash %run %t 2>&1 | FileCheck %s
+// When we use lit's default ASAN_OPTIONS, we shouldn't crash.
+// RUN: not %run %t 2>&1 | FileCheck %s
+
+// UNSUPPORTED: ios
+
+#include <stdlib.h>
+int main() {
+  char *x = (char*)malloc(10 * sizeof(char));
+  free(x);
+  return x[5];
+  // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/address-range-limit.mm

@@ -0,0 +1,41 @@
+// Regression test for https://code.google.com/p/address-sanitizer/issues/detail?id=368.
+
+// RUN: %clangxx_asan %s -Wno-deprecated-declarations -flat_namespace -bundle -undefined suppress -o %t.bundle
+// RUN: %clangxx_asan %s -Wno-deprecated-declarations -o %t -framework Foundation && not %run %t 2>&1 | FileCheck %s
+
+// NSCreateObjectFileImageFromFile/NSLinkModule isn't available on iOS
+// UNSUPPORTED: ios
+
+#import <Foundation/Foundation.h>
+#import <mach-o/dyld.h>
+
+#include <string>
+
+int main(int argc, char *argv[]) {
+  for (int i = 0; i < 10; i++) {
+    NSObjectFileImage im;
+
+	std::string path = std::string(argv[0]) + ".bundle";
+    NSObjectFileImageReturnCode rc =
+        NSCreateObjectFileImageFromFile(path.c_str(), &im);
+    if (rc != NSObjectFileImageSuccess) {
+      fprintf(stderr, "Could not load bundle.\n");
+      exit(-1);
+    }
+
+    NSModule handle = NSLinkModule(im, "a.bundle", 0);
+    if (handle == 0) {
+      fprintf(stderr, "Could not load bundle.\n");
+      exit(-1);
+    }
+    printf("h: %p\n", handle);
+  }
+
+  char *ptr = (char *)malloc(10);
+  ptr[10] = 'x';  // BOOM
+}
+
+// CHECK: AddressSanitizer: heap-buffer-overflow
+// CHECK: WRITE of size 1
+// CHECK: {{#0 .* in main}}
+// CHECK: is located 0 bytes to the right of 10-byte region

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/asan_gen_prefixes.cc

@@ -0,0 +1,16 @@
+// Make sure __asan_gen_* strings have the correct prefixes on Darwin
+// ("L" in __TEXT,__cstring, "l" in __TEXT,__const
+
+// RUN: %clang_asan %s -S -o %t.s
+// RUN: cat %t.s | FileCheck %s || exit 1
+
+// UNSUPPORTED: ios
+
+int x, y, z;
+int main() { return 0; }
+// CHECK: .section{{.*}}__TEXT,__const
+// CHECK: l___asan_gen_
+// CHECK: .section{{.*}}__TEXT,__cstring,cstring_literals
+// CHECK: L___asan_gen_
+// CHECK: L___asan_gen_
+// CHECK: L___asan_gen_

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/atos-symbolizer-dyld-root-path.cc

@@ -0,0 +1,30 @@
+// Check that when having a DYLD_ROOT_PATH set, the symbolizer still works.
+// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: %env_asan_opts=verbosity=2 DYLD_ROOT_PATH="/" ASAN_SYMBOLIZER_PATH=$(which atos) \
+// RUN:   not %run %t 2>&1 | FileCheck %s
+//
+// Due to a bug in atos, this only works on x86_64.
+// REQUIRES: asan-64-bits
+
+// Path returned by `which atos` is invalid on iOS.
+// UNSUPPORTED: ios
+
+#include <stdlib.h>
+#include <string.h>
+int main(int argc, char **argv) {
+  char *x = (char*)malloc(10 * sizeof(char));
+  memset(x, 0, 10);
+  int res = x[argc];
+  free(x);
+  free(x + argc - 1);  // BOOM
+  // CHECK: Using atos at user-specified path:
+  // CHECK: AddressSanitizer: attempting double-free{{.*}}in thread T0
+  // CHECK: #0 0x{{.*}} in {{.*}}free
+  // CHECK: #1 0x{{.*}} in main {{.*}}atos-symbolizer-dyld-root-path.cc:[[@LINE-4]]
+  // CHECK: freed by thread T0 here:
+  // CHECK: #0 0x{{.*}} in {{.*}}free
+  // CHECK: #1 0x{{.*}} in main {{.*}}atos-symbolizer-dyld-root-path.cc:[[@LINE-8]]
+  // CHECK: allocated by thread T0 here:
+  // CHECK: atos-symbolizer-dyld-root-path.cc:[[@LINE-13]]
+  return res;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/atos-symbolizer.cc

@@ -0,0 +1,27 @@
+// Check that the `atos` symbolizer works.
+
+// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: %env_asan_opts=verbosity=2 ASAN_SYMBOLIZER_PATH=$(which atos) not %run %t 2>&1 | FileCheck %s
+
+// Path returned by `which atos` is invalid on iOS.
+// UNSUPPORTED: ios, i386-darwin
+
+#include <stdlib.h>
+#include <string.h>
+int main(int argc, char **argv) {
+  char *x = (char*)malloc(10 * sizeof(char));
+  memset(x, 0, 10);
+  int res = x[argc];
+  free(x);
+  free(x + argc - 1);  // BOOM
+  // CHECK: Using atos at user-specified path:
+  // CHECK: AddressSanitizer: attempting double-free{{.*}}in thread T0
+  // CHECK: #0 0x{{.*}} in {{.*}}free
+  // CHECK: #1 0x{{.*}} in main {{.*}}atos-symbolizer.cc:[[@LINE-4]]
+  // CHECK: freed by thread T0 here:
+  // CHECK: #0 0x{{.*}} in {{.*}}free
+  // CHECK: #1 0x{{.*}} in main {{.*}}atos-symbolizer.cc:[[@LINE-8]]
+  // CHECK: allocated by thread T0 here:
+  // CHECK: atos-symbolizer.cc:[[@LINE-13]]
+  return res;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/crashlog-stacktraces.c

@@ -0,0 +1,48 @@
+// RUN: %clang_asan -O0 %s -o %t
+// RUN: not %run %t 2>&1 | FileCheck %s
+
+// Since ASan is built with -fomit-frame-pointer, backtrace is not able to
+// symbolicate the trace past ASan runtime on i386. (This is fixed in
+// latest OS X.)
+// REQUIRES: asan-64-bits
+
+#include <execinfo.h>
+#include <sanitizer/common_interface_defs.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void death_function() {
+  fprintf(stderr, "DEATH CALLBACK\n");
+
+  void* callstack[128];
+  int i, frames = backtrace(callstack, 128);
+  char** strs = backtrace_symbols(callstack, frames);
+  for (i = 0; i < frames; ++i) {
+    fprintf(stderr, "%s\n", strs[i]);
+  }
+  free(strs);
+
+  fprintf(stderr, "END OF BACKTRACE\n");
+}
+
+int fault_function() {
+  char *x = (char*)malloc(10 * sizeof(char));
+  free(x);
+  return x[5];  // BOOM
+}
+
+int main() {
+  __sanitizer_set_death_callback(death_function);
+  fault_function();
+  return 0;
+}
+
+// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
+// CHECK: {{READ of size 1 at 0x.* thread T0}}
+// CHECK: {{    #0 0x.* in fault_function}}
+
+// CHECK: DEATH CALLBACK
+// CHECK: death_function
+// CHECK: fault_function
+// CHECK: main
+// CHECK: END OF BACKTRACE

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/cstring_literals_regtest.mm

@@ -0,0 +1,23 @@
+// Regression test for
+// https://code.google.com/p/address-sanitizer/issues/detail?id=274.
+
+// RUN: %clang_asan %s -framework Foundation -o %t
+// RUN: %run %t 2>&1 | FileCheck %s
+#import <Foundation/Foundation.h>
+
+#include <stdio.h>
+
+int main() {
+  NSString* version_file = @"MAJOR=35\n";
+  int major = 0, minor = 0, build = 0, patch = 0;
+  NSScanner* scanner = [NSScanner scannerWithString:version_file];
+  NSString *res = nil;
+  if ([scanner scanString:@"MAJOR=" intoString:nil] &&
+      [scanner scanInt:&major]) {
+    res = [NSString stringWithFormat:@"%d.%d.%d.%d",
+           major, minor, build, patch];
+  }
+  printf("%s\n", [res UTF8String]);
+  // CHECK: 35.0.0.0
+  return 0;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/cstring_section.c

@@ -0,0 +1,17 @@
+// Test that AddressSanitizer moves constant strings into a separate section.
+
+// RUN: %clang_asan -c -o %t %s
+// RUN: llvm-objdump -s %t | FileCheck %s
+
+// Check that "Hello.\n" is in __asan_cstring and not in __cstring.
+// CHECK: Contents of section __asan_cstring:
+// CHECK: 48656c6c {{.*}} Hello.
+// CHECK: Contents of section __const:
+// CHECK-NOT: 48656c6c {{.*}} Hello.
+// CHECK: Contents of section __cstring:
+// CHECK-NOT: 48656c6c {{.*}} Hello.
+
+int main(int argc, char *argv[]) {
+  argv[0] = "Hello.\n";
+  return 0;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/dead-strip.c

@@ -0,0 +1,23 @@
+// Test that AddressSanitizer does not re-animate dead globals when dead
+// stripping is turned on.
+//
+// This test verifies that an out-of-bounds access on a global variable is
+// detected after dead stripping has been performed. This proves that the
+// runtime is able to register globals in the __DATA,__asan_globals section.
+
+// REQUIRES: osx-ld64-live_support
+// UNSUPPORTED: ios
+// RUN: %clang_asan -mmacosx-version-min=10.11 -Xlinker -dead_strip -o %t %s
+// RUN: llvm-nm -format=posix %t | FileCheck --check-prefix NM-CHECK %s
+// RUN: not %run %t 2>&1 | FileCheck --check-prefix ASAN-CHECK %s
+
+int alive[1] = {};
+int dead[1] = {};
+// NM-CHECK: {{^_alive }}
+// NM-CHECK-NOT: {{^_dead }}
+
+int main(int argc, char *argv[]) {
+  alive[argc] = 0;
+  // ASAN-CHECK: {{0x.* is located 0 bytes to the right of global variable}}
+  return 0;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/dladdr-demangling.cc

@@ -0,0 +1,36 @@
+// In a non-forking sandbox, we fallback to dladdr(). Test that we provide
+// properly demangled C++ names in that case.
+
+// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: not %run %t 2>&1 | FileCheck %s
+// RUN: %env_asan_opts=verbosity=2 not %run sandbox-exec -p '(version 1)(allow default)(deny process-fork)' %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DLADDR
+
+// sandbox-exec isn't available on iOS
+// UNSUPPORTED: ios
+
+#include <stdlib.h>
+
+class MyClass {
+ public:
+  int my_function(int n) {
+    char *x = (char*)malloc(n * sizeof(char));
+    free(x);
+    return x[5];
+    // CHECK-DLADDR: Using dladdr symbolizer
+    // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
+    // CHECK: {{READ of size 1 at 0x.* thread T0}}
+    // CHECK-DLADDR: failed to fork
+    // CHECK: {{    #0 0x.* in MyClass::my_function\(int\)}}
+    // CHECK: {{freed by thread T0 here:}}
+    // CHECK: {{    #0 0x.* in wrap_free}}
+    // CHECK: {{    #1 0x.* in MyClass::my_function\(int\)}}
+    // CHECK: {{previously allocated by thread T0 here:}}
+    // CHECK: {{    #0 0x.* in wrap_malloc}}
+    // CHECK: {{    #1 0x.* in MyClass::my_function\(int\)}}
+  }
+};
+
+int main() {
+  MyClass o;
+  return o.my_function(10);
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/dump_registers.cc

@@ -0,0 +1,26 @@
+// Check that ASan dumps the CPU registers on a SIGSEGV.
+
+// RUN: %clangxx_asan %s -o %t
+// RUN: not %run %t 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <stdio.h>
+#include <sys/mman.h>
+
+int main() {
+  fprintf(stderr, "Hello\n");
+  char *ptr;
+
+  ptr = (char *)mmap(NULL, 0x10000, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
+  assert(ptr && "failed to mmap");
+
+  fprintf(stderr, sizeof(uintptr_t) == 8 ? "p = 0x%016lx\n" : "p = 0x%08lx\n", (uintptr_t)ptr);
+  // CHECK: p = [[ADDR:0x[0-9]+]]
+
+  char c = *ptr;  // BOOM
+  // CHECK: ERROR: AddressSanitizer: {{SEGV|BUS}}
+  // CHECK: Register values:
+  // CHECK: [[ADDR]]
+  fprintf(stderr, "World\n");
+  return c;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/dyld_insert_libraries_reexec.cc

@@ -0,0 +1,46 @@
+// When DYLD-inserting the ASan dylib from a different location than the
+// original, make sure we don't try to reexec.
+
+// UNSUPPORTED: ios
+
+// RUN: rm -rf %t && mkdir -p %t
+// RUN: cp `%clang_asan -print-file-name=lib`/darwin/libclang_rt.asan_osx_dynamic.dylib \
+// RUN:   %t/libclang_rt.asan_osx_dynamic.dylib
+// RUN: %clangxx_asan %s -o %t/a.out
+
+// RUN:   %env_asan_opts=verbosity=1 \
+// RUN:       DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib \
+// RUN:       %run %t/a.out 2>&1 \
+// RUN:   | FileCheck %s
+
+// RUN: IS_OSX_10_11_OR_HIGHER=$([ `sw_vers -productVersion | cut -d'.' -f2` -lt 11 ]; echo $?)
+
+// On OS X 10.10 and lower, if the dylib is not DYLD-inserted, ASan will re-exec.
+// RUN: if [ $IS_OSX_10_11_OR_HIGHER == 0 ]; then \
+// RUN:   %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NOINSERT %s; \
+// RUN:   fi
+
+// On OS X 10.11 and higher, we don't need to DYLD-insert anymore, and the interceptors
+// still installed correctly. Let's just check that things work and we don't try to re-exec.
+// RUN: if [ $IS_OSX_10_11_OR_HIGHER == 1 ]; then \
+// RUN:   %env_asan_opts=verbosity=1 %run %t/a.out 2>&1 \
+// RUN:   | FileCheck %s; \
+// RUN:   fi
+
+#include <stdio.h>
+
+int main() {
+  printf("Passed\n");
+  return 0;
+}
+
+// CHECK-NOINSERT: exec()-ing the program with
+// CHECK-NOINSERT: DYLD_INSERT_LIBRARIES
+// CHECK-NOINSERT: to enable wrappers.
+// CHECK-NOINSERT: Passed
+
+// CHECK-NOT: exec()-ing the program with
+// CHECK-NOT: DYLD_INSERT_LIBRARIES
+// CHECK-NOT: to enable wrappers.
+// CHECK: Passed

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/dyld_insert_libraries_remove.cc

@@ -0,0 +1,45 @@
+// Check that when launching with DYLD_INSERT_LIBRARIES, we properly remove
+// the ASan dylib from the environment variable (both when using an absolute
+// or relative path) and also that the other dylibs are left untouched.
+
+// UNSUPPORTED: ios
+
+// RUN: rm -rf %t && mkdir -p %t
+// RUN: cp `%clang_asan -print-file-name=lib`/darwin/libclang_rt.asan_osx_dynamic.dylib \
+// RUN:   %t/libclang_rt.asan_osx_dynamic.dylib
+
+// RUN: %clangxx_asan %s -o %t/a.out
+// RUN: %clangxx -DSHARED_LIB %s \
+// RUN:     -dynamiclib -o %t/dummy-so.dylib
+
+// RUN: ( cd %t && \
+// RUN:   DYLD_INSERT_LIBRARIES=@executable_path/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
+// RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
+
+// RUN: ( cd %t && \
+// RUN:   DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
+// RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
+
+// RUN: ( cd %t && \
+// RUN:   %env_asan_opts=strip_env=0 \
+// RUN:   DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
+// RUN:   %run ./a.out 2>&1 ) | FileCheck %s --check-prefix=CHECK-KEEP || exit 1
+
+// RUN: ( cd %t && \
+// RUN:   DYLD_INSERT_LIBRARIES=%t/libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib \
+// RUN:   %run ./a.out 2>&1 ) | FileCheck %s || exit 1
+
+#if !defined(SHARED_LIB)
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+  const char kEnvName[] = "DYLD_INSERT_LIBRARIES";
+  printf("%s=%s\n", kEnvName, getenv(kEnvName));
+  // CHECK: {{DYLD_INSERT_LIBRARIES=dummy-so.dylib}}
+  // CHECK-KEEP: {{DYLD_INSERT_LIBRARIES=libclang_rt.asan_osx_dynamic.dylib:dummy-so.dylib}}
+  return 0;
+}
+#else  // SHARED_LIB
+void foo() {}
+#endif  // SHARED_LIB

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/empty-section.cc

@@ -0,0 +1,12 @@
+// Regression test with an empty (length = 0) custom section.
+
+// RUN: %clangxx_asan -g -O0 %s -c -o %t.o
+// RUN: %clangxx_asan -g -O0 %t.o -o %t -sectcreate mysegment mysection /dev/null
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include <stdio.h>
+
+int main() {
+  printf("Hello, world!\n");
+  // CHECK: Hello, world!
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/fclose.c

@@ -0,0 +1,13 @@
+// RUN: %clang_asan %s -o %t
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, const char * argv[]) {
+  fclose(NULL);
+  fprintf(stderr, "Finished.\n");
+  return 0;
+}
+
+// CHECK: Finished.

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/getpwnam.c

@@ -0,0 +1,15 @@
+// RUN: %clang_asan %s -o %t
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+int main(int argc, const char * argv[]) {
+  getpwnam(NULL);
+  fprintf(stderr, "Finished.\n");
+  return 0;
+}
+
+// CHECK: Finished.

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/haswell-symbolication.cc

@@ -0,0 +1,100 @@
+// RUN: %clangxx_asan -arch x86_64 -arch x86_64h -g -O0 %s -c -o %t.o.fat
+// RUN: %clangxx_asan -arch x86_64 -arch x86_64h -g %t.o.fat -o %t.fat
+
+// RUN: lipo %t.fat -thin    x86_64  -output %t.thin.x86_64  && lipo %t.thin.x86_64  -info | FileCheck %s --check-prefix=CHECK-LIPO-THIN-X86_64
+// RUN: lipo %t.fat -thin    x86_64h -output %t.thin.x86_64h && lipo %t.thin.x86_64h -info | FileCheck %s --check-prefix=CHECK-LIPO-THIN-X86_64H
+// RUN: lipo %t.fat -extract x86_64  -output %t.fat.x86_64   && lipo %t.fat.x86_64   -info | FileCheck %s --check-prefix=CHECK-LIPO-FAT-X86_64
+// RUN: lipo %t.fat -extract x86_64h -output %t.fat.x86_64h  && lipo %t.fat.x86_64h  -info | FileCheck %s --check-prefix=CHECK-LIPO-FAT-X86_64H
+
+// CHECK-LIPO-THIN-X86_64:  Non-fat file: {{.*}} is architecture: x86_64
+// CHECK-LIPO-THIN-X86_64H: Non-fat file: {{.*}} is architecture: x86_64h
+// CHECK-LIPO-FAT-X86_64:   Architectures in the fat file: {{.*}} are: x86_64
+// CHECK-LIPO-FAT-X86_64H:  Architectures in the fat file: {{.*}} are: x86_64h
+
+// RUN: dsymutil %t.thin.x86_64
+// RUN: dsymutil %t.thin.x86_64h
+// RUN: dsymutil %t.fat.x86_64
+// RUN: dsymutil %t.fat.x86_64h
+
+// Check LLVM symbolizer
+// RUN: %env_asan_opts=external_symbolizer_path=$(which llvm-symbolizer) not %run %t.thin.x86_64  2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path=$(which llvm-symbolizer) not %run %t.thin.x86_64h 2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path=$(which llvm-symbolizer) not %run %t.fat.x86_64   2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path=$(which llvm-symbolizer) not %run %t.fat.x86_64h  2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+
+// Check atos
+// RUN: %env_asan_opts=external_symbolizer_path=$(which atos) not %run %t.thin.x86_64  2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path=$(which atos) not %run %t.thin.x86_64h 2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path=$(which atos) not %run %t.fat.x86_64   2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path=$(which atos) not %run %t.fat.x86_64h  2>&1 | FileCheck %s --check-prefixes CHECK,CHECK-LI,CHECK-DATA
+
+// Check dladdr
+// RUN: %env_asan_opts=external_symbolizer_path= not %run %t.thin.x86_64  2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-NOLI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path= not %run %t.thin.x86_64h 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-NOLI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path= not %run %t.fat.x86_64   2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-NOLI,CHECK-DATA
+// RUN: %env_asan_opts=external_symbolizer_path= not %run %t.fat.x86_64h  2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-NOLI,CHECK-DATA
+
+// Check asan_symbolize.py with llvm-symbolizer
+// RUN: %env_asan_opts=symbolize=0 not %run %t.thin.x86_64  2>&1 | %asan_symbolize | FileCheck %s --check-prefixes CHECK,CHECK-LI
+// RUN: %env_asan_opts=symbolize=0 not %run %t.thin.x86_64h 2>&1 | %asan_symbolize | FileCheck %s --check-prefixes CHECK,CHECK-LI
+// RUN: %env_asan_opts=symbolize=0 not %run %t.fat.x86_64   2>&1 | %asan_symbolize | FileCheck %s --check-prefixes CHECK,CHECK-LI
+// RUN: %env_asan_opts=symbolize=0 not %run %t.fat.x86_64h  2>&1 | %asan_symbolize | FileCheck %s --check-prefixes CHECK,CHECK-LI
+
+// Check asan_symbolize.py with atos
+// RUN: %env_asan_opts=symbolize=0 not %run %t.thin.x86_64  2>&1 | %asan_symbolize --force-system-symbolizer | FileCheck %s --check-prefixes CHECK,CHECK-LI
+// RUN: %env_asan_opts=symbolize=0 not %run %t.thin.x86_64h 2>&1 | %asan_symbolize --force-system-symbolizer | FileCheck %s --check-prefixes CHECK,CHECK-LI
+// RUN: %env_asan_opts=symbolize=0 not %run %t.fat.x86_64   2>&1 | %asan_symbolize --force-system-symbolizer | FileCheck %s --check-prefixes CHECK,CHECK-LI
+// RUN: %env_asan_opts=symbolize=0 not %run %t.fat.x86_64h  2>&1 | %asan_symbolize --force-system-symbolizer | FileCheck %s --check-prefixes CHECK,CHECK-LI
+
+// REQUIRES: x86-target-arch
+// REQUIRES: x86_64h
+// UNSUPPORTED: ios
+
+#include <sanitizer/common_interface_defs.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#if __x86_64h__
+// Unused functions and globals, just to mess up the offsets in x86_64h.
+void dummy(char *a, char *b) {
+  while (*a == *b) {
+    a[0] = b[0];
+    a[1] = b[1];
+    a[2] = b[2];
+    a[3] = b[3];
+    fprintf(stderr, "dummy\n");
+  }
+  fprintf(stderr, "dummy\n");
+}
+long dummy_global;
+long dummy_global2[100];
+#endif
+
+extern "C"
+long faulty_global = 10;
+
+void check_data_symbolication() {
+  char data[100];
+  __sanitizer_symbolize_global(&faulty_global, "%g", data, sizeof(data));
+  fprintf(stderr, "symbolized global: %s\n", data);
+  // CHECK-DATA: symbolized global: faulty_global
+}
+
+extern "C"
+void faulty_func(char *p) {
+  *p = 'x';  // BOOM
+  // CHECK: AddressSanitizer: global-buffer-overflow
+  // CHECK-LI: #0 0x{{.*}} in faulty_func{{.*}} {{.*}}haswell-symbolication.cc:[[@LINE-2]]
+  // CHECK-NOLI: #0 0x{{.*}} in faulty_func{{.*}} {{.*}}haswell-symbolication
+  // CHECK: is located 2 bytes to the right of global variable 'faulty_global'
+  // CHECK-NOT: LLVMSymbolizer: error reading file
+}
+
+int main() {
+  check_data_symbolication();
+
+  char *p = (char *)(void *)&faulty_global;
+  p += 10;
+  faulty_func(p);
+  return 0;
+}

external/llvm-project/compiler-rt/test/asan/TestCases/Darwin/interface_symbols_darwin.cc

@@ -0,0 +1,36 @@
+// Check the presence of interface symbols in the ASan runtime dylib.
+// If you're changing this file, please also change
+// ../Linux/interface_symbols.c
+
+// RUN: %clangxx_asan -dead_strip -O2 %s -o %t.exe
+//
+// note: we can not use -D on Darwin.
+// RUN: nm -g `%clang_asan %s -fsanitize=address -### 2>&1 | grep "libclang_rt.asan_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.asan_osx_dynamic.dylib\)".*/\1/'` \
+// RUN:  | grep " [TU] "                                                       \
+// RUN:  | grep -o "\(__asan_\|__ubsan_\|__sancov_\|__sanitizer_\)[^ ]*"       \
+// RUN:  | grep -v "__sanitizer_syscall"                                       \
+// RUN:  | grep -v "__sanitizer_weak_hook"                                     \
+// RUN:  | grep -v "__sanitizer_mz"                                            \
+// RUN:  | grep -v "__sancov_lowest_stack"                                     \
+// RUN:  | sed -e "s/__asan_version_mismatch_check_v[0-9]+/__asan_version_mismatch_check/" \
+// RUN:  > %t.exports
+//
+// RUN: grep -e "INTERFACE_\(WEAK_\)\?FUNCTION"                                \
+// RUN:  %p/../../../../lib/asan/asan_interface.inc                            \
+// RUN:  %p/../../../../lib/ubsan/ubsan_interface.inc                          \
+// RUN:  %p/../../../../lib/sanitizer_common/sanitizer_common_interface.inc    \
+// RUN:  %p/../../../../lib/sanitizer_common/sanitizer_common_interface_posix.inc \
+// RUN:  %p/../../../../lib/sanitizer_common/sanitizer_coverage_interface.inc  \
+// RUN:  | grep -v "__sanitizer_weak_hook"                                     \
+// RUN:  | sed -e "s/.*(//" -e "s/).*//" > %t.imports
+//
+// RUN: cat %t.imports | sort | uniq > %t.imports-sorted
+// RUN: cat %t.exports | sort | uniq > %t.exports-sorted
+//
+// RUN: echo
+// RUN: echo "=== NOTE === If you see a mismatch below, please update sanitizer_interface.inc files."
+// RUN: diff %t.imports-sorted %t.exports-sorted
+
+// UNSUPPORTED: ios
+
+int main() { return 0; }