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-rw-r--r--contrib/llvm-project/compiler-rt/lib/rtsan/rtsan_interceptors.cpp442
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diff --git a/contrib/llvm-project/compiler-rt/lib/rtsan/rtsan_interceptors.cpp b/contrib/llvm-project/compiler-rt/lib/rtsan/rtsan_interceptors.cpp
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index b63040446e53..000000000000
--- a/contrib/llvm-project/compiler-rt/lib/rtsan/rtsan_interceptors.cpp
+++ /dev/null
@@ -1,442 +0,0 @@
-//===--- rtsan_interceptors.cpp - Realtime Sanitizer ------------*- C++ -*-===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-//
-//===----------------------------------------------------------------------===//
-
-#include "rtsan/rtsan_interceptors.h"
-
-#include "interception/interception.h"
-#include "sanitizer_common/sanitizer_allocator_dlsym.h"
-#include "sanitizer_common/sanitizer_allocator_internal.h"
-#include "sanitizer_common/sanitizer_platform.h"
-#include "sanitizer_common/sanitizer_platform_interceptors.h"
-
-#include "interception/interception.h"
-#include "rtsan/rtsan.h"
-#include "rtsan/rtsan_context.h"
-
-#if SANITIZER_APPLE
-
-#if TARGET_OS_MAC
-// On MacOS OSSpinLockLock is deprecated and no longer present in the headers,
-// but the symbol still exists on the system. Forward declare here so we
-// don't get compilation errors.
-#include <stdint.h>
-extern "C" {
-typedef int32_t OSSpinLock;
-void OSSpinLockLock(volatile OSSpinLock *__lock);
-}
-#endif
-
-#include <libkern/OSAtomic.h>
-#include <os/lock.h>
-#endif
-
-#if SANITIZER_INTERCEPT_MEMALIGN || SANITIZER_INTERCEPT_PVALLOC
-#include <malloc.h>
-#endif
-
-#include <fcntl.h>
-#include <pthread.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <sys/socket.h>
-#include <time.h>
-#include <unistd.h>
-
-using namespace __sanitizer;
-
-using __rtsan::rtsan_init_is_running;
-using __rtsan::rtsan_initialized;
-
-namespace {
-struct DlsymAlloc : public DlSymAllocator<DlsymAlloc> {
- static bool UseImpl() { return !rtsan_initialized; }
-};
-} // namespace
-
-void ExpectNotRealtime(const char *intercepted_function_name) {
- __rtsan::GetContextForThisThread().ExpectNotRealtime(
- intercepted_function_name);
-}
-
-// Filesystem
-
-INTERCEPTOR(int, open, const char *path, int oflag, ...) {
- // TODO Establish whether we should intercept here if the flag contains
- // O_NONBLOCK
- ExpectNotRealtime("open");
-
- va_list args;
- va_start(args, oflag);
- const mode_t mode = va_arg(args, int);
- va_end(args);
-
- const int result = REAL(open)(path, oflag, mode);
- return result;
-}
-
-INTERCEPTOR(int, openat, int fd, const char *path, int oflag, ...) {
- // TODO Establish whether we should intercept here if the flag contains
- // O_NONBLOCK
- ExpectNotRealtime("openat");
-
- va_list args;
- va_start(args, oflag);
- mode_t mode = va_arg(args, int);
- va_end(args);
-
- const int result = REAL(openat)(fd, path, oflag, mode);
- return result;
-}
-
-INTERCEPTOR(int, creat, const char *path, mode_t mode) {
- // TODO Establish whether we should intercept here if the flag contains
- // O_NONBLOCK
- ExpectNotRealtime("creat");
- const int result = REAL(creat)(path, mode);
- return result;
-}
-
-INTERCEPTOR(int, fcntl, int filedes, int cmd, ...) {
- ExpectNotRealtime("fcntl");
-
- va_list args;
- va_start(args, cmd);
-
- // Following precedent here. The linux source (fcntl.c, do_fcntl) accepts the
- // final argument in a variable that will hold the largest of the possible
- // argument types (pointers and ints are typical in fcntl) It is then assumed
- // that the implementation of fcntl will cast it properly depending on cmd.
- //
- // This is also similar to what is done in
- // sanitizer_common/sanitizer_common_syscalls.inc
- const unsigned long arg = va_arg(args, unsigned long);
- int result = REAL(fcntl)(filedes, cmd, arg);
-
- va_end(args);
-
- return result;
-}
-
-INTERCEPTOR(int, close, int filedes) {
- ExpectNotRealtime("close");
- return REAL(close)(filedes);
-}
-
-INTERCEPTOR(FILE *, fopen, const char *path, const char *mode) {
- ExpectNotRealtime("fopen");
- return REAL(fopen)(path, mode);
-}
-
-INTERCEPTOR(size_t, fread, void *ptr, size_t size, size_t nitems,
- FILE *stream) {
- ExpectNotRealtime("fread");
- return REAL(fread)(ptr, size, nitems, stream);
-}
-
-INTERCEPTOR(size_t, fwrite, const void *ptr, size_t size, size_t nitems,
- FILE *stream) {
- ExpectNotRealtime("fwrite");
- return REAL(fwrite)(ptr, size, nitems, stream);
-}
-
-INTERCEPTOR(int, fclose, FILE *stream) {
- ExpectNotRealtime("fclose");
- return REAL(fclose)(stream);
-}
-
-INTERCEPTOR(int, fputs, const char *s, FILE *stream) {
- ExpectNotRealtime("fputs");
- return REAL(fputs)(s, stream);
-}
-
-// Streams
-INTERCEPTOR(int, puts, const char *s) {
- ExpectNotRealtime("puts");
- return REAL(puts)(s);
-}
-
-// Concurrency
-#if SANITIZER_APPLE
-#pragma clang diagnostic push
-// OSSpinLockLock is deprecated, but still in use in libc++
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
-INTERCEPTOR(void, OSSpinLockLock, volatile OSSpinLock *lock) {
- ExpectNotRealtime("OSSpinLockLock");
- return REAL(OSSpinLockLock)(lock);
-}
-#pragma clang diagnostic pop
-
-INTERCEPTOR(void, os_unfair_lock_lock, os_unfair_lock_t lock) {
- ExpectNotRealtime("os_unfair_lock_lock");
- return REAL(os_unfair_lock_lock)(lock);
-}
-#elif SANITIZER_LINUX
-INTERCEPTOR(int, pthread_spin_lock, pthread_spinlock_t *spinlock) {
- ExpectNotRealtime("pthread_spin_lock");
- return REAL(pthread_spin_lock)(spinlock);
-}
-#endif
-
-INTERCEPTOR(int, pthread_create, pthread_t *thread, const pthread_attr_t *attr,
- void *(*start_routine)(void *), void *arg) {
- ExpectNotRealtime("pthread_create");
- return REAL(pthread_create)(thread, attr, start_routine, arg);
-}
-
-INTERCEPTOR(int, pthread_mutex_lock, pthread_mutex_t *mutex) {
- ExpectNotRealtime("pthread_mutex_lock");
- return REAL(pthread_mutex_lock)(mutex);
-}
-
-INTERCEPTOR(int, pthread_mutex_unlock, pthread_mutex_t *mutex) {
- ExpectNotRealtime("pthread_mutex_unlock");
- return REAL(pthread_mutex_unlock)(mutex);
-}
-
-INTERCEPTOR(int, pthread_join, pthread_t thread, void **value_ptr) {
- ExpectNotRealtime("pthread_join");
- return REAL(pthread_join)(thread, value_ptr);
-}
-
-INTERCEPTOR(int, pthread_cond_signal, pthread_cond_t *cond) {
- ExpectNotRealtime("pthread_cond_signal");
- return REAL(pthread_cond_signal)(cond);
-}
-
-INTERCEPTOR(int, pthread_cond_broadcast, pthread_cond_t *cond) {
- ExpectNotRealtime("pthread_cond_broadcast");
- return REAL(pthread_cond_broadcast)(cond);
-}
-
-INTERCEPTOR(int, pthread_cond_wait, pthread_cond_t *cond,
- pthread_mutex_t *mutex) {
- ExpectNotRealtime("pthread_cond_wait");
- return REAL(pthread_cond_wait)(cond, mutex);
-}
-
-INTERCEPTOR(int, pthread_cond_timedwait, pthread_cond_t *cond,
- pthread_mutex_t *mutex, const timespec *ts) {
- ExpectNotRealtime("pthread_cond_timedwait");
- return REAL(pthread_cond_timedwait)(cond, mutex, ts);
-}
-
-INTERCEPTOR(int, pthread_rwlock_rdlock, pthread_rwlock_t *lock) {
- ExpectNotRealtime("pthread_rwlock_rdlock");
- return REAL(pthread_rwlock_rdlock)(lock);
-}
-
-INTERCEPTOR(int, pthread_rwlock_unlock, pthread_rwlock_t *lock) {
- ExpectNotRealtime("pthread_rwlock_unlock");
- return REAL(pthread_rwlock_unlock)(lock);
-}
-
-INTERCEPTOR(int, pthread_rwlock_wrlock, pthread_rwlock_t *lock) {
- ExpectNotRealtime("pthread_rwlock_wrlock");
- return REAL(pthread_rwlock_wrlock)(lock);
-}
-
-// Sleeping
-
-INTERCEPTOR(unsigned int, sleep, unsigned int s) {
- ExpectNotRealtime("sleep");
- return REAL(sleep)(s);
-}
-
-INTERCEPTOR(int, usleep, useconds_t u) {
- ExpectNotRealtime("usleep");
- return REAL(usleep)(u);
-}
-
-INTERCEPTOR(int, nanosleep, const struct timespec *rqtp,
- struct timespec *rmtp) {
- ExpectNotRealtime("nanosleep");
- return REAL(nanosleep)(rqtp, rmtp);
-}
-
-// Memory
-
-INTERCEPTOR(void *, calloc, SIZE_T num, SIZE_T size) {
- if (DlsymAlloc::Use())
- return DlsymAlloc::Callocate(num, size);
-
- ExpectNotRealtime("calloc");
- return REAL(calloc)(num, size);
-}
-
-INTERCEPTOR(void, free, void *ptr) {
- if (DlsymAlloc::PointerIsMine(ptr))
- return DlsymAlloc::Free(ptr);
-
- if (ptr != NULL) {
- ExpectNotRealtime("free");
- }
- return REAL(free)(ptr);
-}
-
-INTERCEPTOR(void *, malloc, SIZE_T size) {
- if (DlsymAlloc::Use())
- return DlsymAlloc::Allocate(size);
-
- ExpectNotRealtime("malloc");
- return REAL(malloc)(size);
-}
-
-INTERCEPTOR(void *, realloc, void *ptr, SIZE_T size) {
- if (DlsymAlloc::Use() || DlsymAlloc::PointerIsMine(ptr))
- return DlsymAlloc::Realloc(ptr, size);
-
- ExpectNotRealtime("realloc");
- return REAL(realloc)(ptr, size);
-}
-
-INTERCEPTOR(void *, reallocf, void *ptr, SIZE_T size) {
- ExpectNotRealtime("reallocf");
- return REAL(reallocf)(ptr, size);
-}
-
-INTERCEPTOR(void *, valloc, SIZE_T size) {
- ExpectNotRealtime("valloc");
- return REAL(valloc)(size);
-}
-
-#if SANITIZER_INTERCEPT_ALIGNED_ALLOC
-INTERCEPTOR(void *, aligned_alloc, SIZE_T alignment, SIZE_T size) {
- ExpectNotRealtime("aligned_alloc");
- return REAL(aligned_alloc)(alignment, size);
-}
-#define RTSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC INTERCEPT_FUNCTION(aligned_alloc)
-#else
-#define RTSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC
-#endif
-
-INTERCEPTOR(int, posix_memalign, void **memptr, size_t alignment, size_t size) {
- ExpectNotRealtime("posix_memalign");
- return REAL(posix_memalign)(memptr, alignment, size);
-}
-
-#if SANITIZER_INTERCEPT_MEMALIGN
-INTERCEPTOR(void *, memalign, size_t alignment, size_t size) {
- ExpectNotRealtime("memalign");
- return REAL(memalign)(alignment, size);
-}
-#endif
-
-#if SANITIZER_INTERCEPT_PVALLOC
-INTERCEPTOR(void *, pvalloc, size_t size) {
- ExpectNotRealtime("pvalloc");
- return REAL(pvalloc)(size);
-}
-#endif
-
-// Sockets
-INTERCEPTOR(int, socket, int domain, int type, int protocol) {
- ExpectNotRealtime("socket");
- return REAL(socket)(domain, type, protocol);
-}
-
-INTERCEPTOR(ssize_t, send, int sockfd, const void *buf, size_t len, int flags) {
- ExpectNotRealtime("send");
- return REAL(send)(sockfd, buf, len, flags);
-}
-
-INTERCEPTOR(ssize_t, sendmsg, int socket, const struct msghdr *message,
- int flags) {
- ExpectNotRealtime("sendmsg");
- return REAL(sendmsg)(socket, message, flags);
-}
-
-INTERCEPTOR(ssize_t, sendto, int socket, const void *buffer, size_t length,
- int flags, const struct sockaddr *dest_addr, socklen_t dest_len) {
- ExpectNotRealtime("sendto");
- return REAL(sendto)(socket, buffer, length, flags, dest_addr, dest_len);
-}
-
-INTERCEPTOR(ssize_t, recv, int socket, void *buffer, size_t length, int flags) {
- ExpectNotRealtime("recv");
- return REAL(recv)(socket, buffer, length, flags);
-}
-
-INTERCEPTOR(ssize_t, recvfrom, int socket, void *buffer, size_t length,
- int flags, struct sockaddr *address, socklen_t *address_len) {
- ExpectNotRealtime("recvfrom");
- return REAL(recvfrom)(socket, buffer, length, flags, address, address_len);
-}
-
-INTERCEPTOR(ssize_t, recvmsg, int socket, struct msghdr *message, int flags) {
- ExpectNotRealtime("recvmsg");
- return REAL(recvmsg)(socket, message, flags);
-}
-
-INTERCEPTOR(int, shutdown, int socket, int how) {
- ExpectNotRealtime("shutdown");
- return REAL(shutdown)(socket, how);
-}
-
-// Preinit
-void __rtsan::InitializeInterceptors() {
- INTERCEPT_FUNCTION(calloc);
- INTERCEPT_FUNCTION(free);
- INTERCEPT_FUNCTION(malloc);
- INTERCEPT_FUNCTION(realloc);
- INTERCEPT_FUNCTION(reallocf);
- INTERCEPT_FUNCTION(valloc);
- RTSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC;
- INTERCEPT_FUNCTION(posix_memalign);
-#if SANITIZER_INTERCEPT_MEMALIGN
- INTERCEPT_FUNCTION(memalign);
-#endif
-#if SANITIZER_INTERCEPT_PVALLOC
- INTERCEPT_FUNCTION(pvalloc);
-#endif
-
- INTERCEPT_FUNCTION(open);
- INTERCEPT_FUNCTION(openat);
- INTERCEPT_FUNCTION(close);
- INTERCEPT_FUNCTION(fopen);
- INTERCEPT_FUNCTION(fread);
- INTERCEPT_FUNCTION(fwrite);
- INTERCEPT_FUNCTION(fclose);
- INTERCEPT_FUNCTION(fcntl);
- INTERCEPT_FUNCTION(creat);
- INTERCEPT_FUNCTION(puts);
- INTERCEPT_FUNCTION(fputs);
-
-#if SANITIZER_APPLE
- INTERCEPT_FUNCTION(OSSpinLockLock);
- INTERCEPT_FUNCTION(os_unfair_lock_lock);
-#elif SANITIZER_LINUX
- INTERCEPT_FUNCTION(pthread_spin_lock);
-#endif
-
- INTERCEPT_FUNCTION(pthread_create);
- INTERCEPT_FUNCTION(pthread_mutex_lock);
- INTERCEPT_FUNCTION(pthread_mutex_unlock);
- INTERCEPT_FUNCTION(pthread_join);
- INTERCEPT_FUNCTION(pthread_cond_signal);
- INTERCEPT_FUNCTION(pthread_cond_broadcast);
- INTERCEPT_FUNCTION(pthread_cond_wait);
- INTERCEPT_FUNCTION(pthread_cond_timedwait);
- INTERCEPT_FUNCTION(pthread_rwlock_rdlock);
- INTERCEPT_FUNCTION(pthread_rwlock_unlock);
- INTERCEPT_FUNCTION(pthread_rwlock_wrlock);
-
- INTERCEPT_FUNCTION(sleep);
- INTERCEPT_FUNCTION(usleep);
- INTERCEPT_FUNCTION(nanosleep);
-
- INTERCEPT_FUNCTION(socket);
- INTERCEPT_FUNCTION(send);
- INTERCEPT_FUNCTION(sendmsg);
- INTERCEPT_FUNCTION(sendto);
- INTERCEPT_FUNCTION(recv);
- INTERCEPT_FUNCTION(recvmsg);
- INTERCEPT_FUNCTION(recvfrom);
- INTERCEPT_FUNCTION(shutdown);
-}