zig/lib/tsan/sanitizer_common/sanitizer_common_nolibc.cpp
Andrew Kelley 8219d92987 stage2: fix Cache deadlock and build more of TSAN
* rename is_compiler_rt_or_libc to skip_linker_dependencies
   and set it to `true` for all sub-Compilations. I believe
   this resolves the deadlock we were experiencing on Drone
   CI and on some users' computers. I will remove the CI workaround in
   a follow-up commit.
 * enabling TSAN automatically causes the Compilation to link against
   libc++ even if not requested, because TSAN depends on libc++.
 * add -fno-rtti flags where appropriate when building TSAN objects.
   Thanks Firefox317 for pointing this out.
 * TSAN support: resolve all the undefined symbols. We are still seeing
   a dependency on __gcc_personality_v0 but will resolve this one in a
   follow-up commit.
 * static libs do not try to build libc++ or libc++abi.
2020-12-24 01:18:48 -07:00

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//===-- sanitizer_common_nolibc.cpp ---------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains stubs for libc function to facilitate optional use of
// libc in no-libcdep sources.
//===----------------------------------------------------------------------===//
#include "sanitizer_platform.h"
#include "sanitizer_common.h"
#include "sanitizer_libc.h"
namespace __sanitizer {
// The Windows implementations of these functions use the win32 API directly,
// bypassing libc.
#if !SANITIZER_WINDOWS
#if SANITIZER_LINUX
void LogMessageOnPrintf(const char *str) {}
#endif
void WriteToSyslog(const char *buffer) {}
void Abort() { internal__exit(1); }
void SleepForSeconds(int seconds) { internal_sleep(seconds); }
#endif // !SANITIZER_WINDOWS
#if !SANITIZER_WINDOWS && !SANITIZER_MAC
void ListOfModules::init() {}
#endif
} // namespace __sanitizer