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llvm-project/compiler-rt/test/tsan/ignore_lib0.cpp

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[compiler-rt] Get rid of "%T" expansions Summary: Original patch by Kuba Mracek The %T lit expansion expands to a common directory shared between all the tests in the same directory, which is unexpected and unintuitive, and more importantly, it's been a source of subtle race conditions and flaky tests. In https://reviews.llvm.org/D35396, it was agreed that it would be best to simply ban %T and only keep %t, which is unique to each test. When a test needs a temporary directory, it can just create one using mkdir %t. This patch removes %T in compiler-rt. Differential Revision: https://reviews.llvm.org/D48618 llvm-svn: 336661
2018-07-10 20:53:46 +08:00
// RUN: rm -rf %t-dir
// RUN: mkdir %t-dir
// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib0.so
[compiler-rt] Fix broken sanitizer bots (hopefully) According to the logs and local debugging there were two issues: 1) tsan tests listed libc++.a before the source file. That's usually ok for shared libraries, but the linker will not add symbols from a static library unless needed at that time. As a result the tests that rely upon symbols from the library (and not only include the headers) had undefined references. To solve this I'm adding a new substitution %link_libcxx_tsan which expands to libc++.a if available. 2) The target Fuzzer-x86_64-Test linked in SANITIZER_TEST_CXX_LIBRARIES which defaults to -lstdc++. This resulted in error messages like hidden symbol '_ZdlPv' is not defined locally hidden symbol '_Znwm' is not defined locally when using GNU gold (ld.bfd and lld are fine). Removing the linkage is fine because we build a custom libc++ for that purpose. llvm-svn: 354231
2019-02-18 02:47:33 +08:00
// RUN: %clangxx_tsan -O1 %s -L%t-dir -lignore_lib0 %link_libcxx_tsan -o %t
tsan: ignore interceptors coming from specified libraries LibIgnore allows to ignore all interceptors called from a particular set of dynamic libraries. LibIgnore remembers all "called_from_lib" suppressions from the provided SuppressionContext; finds code ranges for the libraries; and checks whether the provided PC value belongs to the code ranges. Also make malloc and friends interceptors use SCOPED_INTERCEPTOR_RAW instead of SCOPED_TSAN_INTERCEPTOR, because if they are called from an ignored lib, then must call our internal allocator instead of libc malloc. llvm-svn: 191897
2013-10-03 21:37:17 +08:00
// RUN: echo running w/o suppressions:
[compiler-rt] Get rid of "%T" expansions Summary: Original patch by Kuba Mracek The %T lit expansion expands to a common directory shared between all the tests in the same directory, which is unexpected and unintuitive, and more importantly, it's been a source of subtle race conditions and flaky tests. In https://reviews.llvm.org/D35396, it was agreed that it would be best to simply ban %T and only keep %t, which is unique to each test. When a test needs a temporary directory, it can just create one using mkdir %t. This patch removes %T in compiler-rt. Differential Revision: https://reviews.llvm.org/D48618 llvm-svn: 336661
2018-07-10 20:53:46 +08:00
// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
tsan: ignore interceptors coming from specified libraries LibIgnore allows to ignore all interceptors called from a particular set of dynamic libraries. LibIgnore remembers all "called_from_lib" suppressions from the provided SuppressionContext; finds code ranges for the libraries; and checks whether the provided PC value belongs to the code ranges. Also make malloc and friends interceptors use SCOPED_INTERCEPTOR_RAW instead of SCOPED_TSAN_INTERCEPTOR, because if they are called from an ignored lib, then must call our internal allocator instead of libc malloc. llvm-svn: 191897
2013-10-03 21:37:17 +08:00
// RUN: echo running with suppressions:
[compiler-rt] Get rid of "%T" expansions Summary: Original patch by Kuba Mracek The %T lit expansion expands to a common directory shared between all the tests in the same directory, which is unexpected and unintuitive, and more importantly, it's been a source of subtle race conditions and flaky tests. In https://reviews.llvm.org/D35396, it was agreed that it would be best to simply ban %T and only keep %t, which is unique to each test. When a test needs a temporary directory, it can just create one using mkdir %t. This patch removes %T in compiler-rt. Differential Revision: https://reviews.llvm.org/D48618 llvm-svn: 336661
2018-07-10 20:53:46 +08:00
// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
tsan: ignore interceptors coming from specified libraries LibIgnore allows to ignore all interceptors called from a particular set of dynamic libraries. LibIgnore remembers all "called_from_lib" suppressions from the provided SuppressionContext; finds code ranges for the libraries; and checks whether the provided PC value belongs to the code ranges. Also make malloc and friends interceptors use SCOPED_INTERCEPTOR_RAW instead of SCOPED_TSAN_INTERCEPTOR, because if they are called from an ignored lib, then must call our internal allocator instead of libc malloc. llvm-svn: 191897
2013-10-03 21:37:17 +08:00
// Tests that interceptors coming from a library specified in called_from_lib
// suppression are ignored.
[tsan] Enable tsan for aarch64 This patch enabled TSAN for aarch64 with 39-bit VMA layout. As defined by tsan_platform.h the layout used is: 0000 4000 00 - 0200 0000 00: main binary 2000 0000 00 - 4000 0000 00: shadow memory 4000 0000 00 - 5000 0000 00: metainfo 5000 0000 00 - 6000 0000 00: - 6000 0000 00 - 6200 0000 00: traces 6200 0000 00 - 7d00 0000 00: - 7d00 0000 00 - 7e00 0000 00: heap 7e00 0000 00 - 7fff ffff ff: modules and main thread stack Which gives it about 8GB for main binary, 4GB for heap and 8GB for modules and main thread stack. Most of tests are passing, with the exception of: * ignore_lib0, ignore_lib1, ignore_lib3 due a kernel limitation for no support to make mmap page non-executable. * longjmp tests due missing specialized assembly routines. These tests are xfail for now. The only tsan issue still showing is: rtl/TsanRtlTest/Posix.ThreadLocalAccesses Which still required further investigation. The test is disable for aarch64 for now. llvm-svn: 244055
2015-08-05 23:17:59 +08:00
// Some aarch64 kernels do not support non executable write pages
[compiler-rt] [tsan] Enable TSan for AArch64/42-bit VMA This patch adds support for tsan on aarch64-linux with 42-bit VMA (current default config for 64K pagesize kernels). The support is enabled by defining the SANITIZER_AARCH64_VMA to 42 at build time for both clang/llvm and compiler-rt. The default VMA is 39 bits. It also enabled tsan for previous supported VMA (39). llvm-svn: 246330
2015-08-29 04:40:50 +08:00
// REQUIRES: stable-runtime
[tsan] Enable tsan for aarch64 This patch enabled TSAN for aarch64 with 39-bit VMA layout. As defined by tsan_platform.h the layout used is: 0000 4000 00 - 0200 0000 00: main binary 2000 0000 00 - 4000 0000 00: shadow memory 4000 0000 00 - 5000 0000 00: metainfo 5000 0000 00 - 6000 0000 00: - 6000 0000 00 - 6200 0000 00: traces 6200 0000 00 - 7d00 0000 00: - 7d00 0000 00 - 7e00 0000 00: heap 7e00 0000 00 - 7fff ffff ff: modules and main thread stack Which gives it about 8GB for main binary, 4GB for heap and 8GB for modules and main thread stack. Most of tests are passing, with the exception of: * ignore_lib0, ignore_lib1, ignore_lib3 due a kernel limitation for no support to make mmap page non-executable. * longjmp tests due missing specialized assembly routines. These tests are xfail for now. The only tsan issue still showing is: rtl/TsanRtlTest/Posix.ThreadLocalAccesses Which still required further investigation. The test is disable for aarch64 for now. llvm-svn: 244055
2015-08-05 23:17:59 +08:00
[tsan] Add support for running TSan tests on iOS simulator and devices Differential Revision: https://reviews.llvm.org/D35157 llvm-svn: 307537
2017-07-10 23:00:55 +08:00
// UNSUPPORTED: ios
tsan: ignore interceptors coming from specified libraries LibIgnore allows to ignore all interceptors called from a particular set of dynamic libraries. LibIgnore remembers all "called_from_lib" suppressions from the provided SuppressionContext; finds code ranges for the libraries; and checks whether the provided PC value belongs to the code ranges. Also make malloc and friends interceptors use SCOPED_INTERCEPTOR_RAW instead of SCOPED_TSAN_INTERCEPTOR, because if they are called from an ignored lib, then must call our internal allocator instead of libc malloc. llvm-svn: 191897
2013-10-03 21:37:17 +08:00
#ifndef LIB
extern "C" void libfunc();
int main() {
libfunc();
}
#else // #ifdef LIB
#include "ignore_lib_lib.h"
#endif // #ifdef LIB
// CHECK-NOSUPP: WARNING: ThreadSanitizer: data race
// CHECK-NOSUPP: OK
// CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race
// CHECK-WITHSUPP: OK