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Diffstat (limited to 'libsanitizer/asan/asan_intercepted_functions.h')
-rw-r--r--libsanitizer/asan/asan_intercepted_functions.h269
1 files changed, 11 insertions, 258 deletions
diff --git a/libsanitizer/asan/asan_intercepted_functions.h b/libsanitizer/asan/asan_intercepted_functions.h
index ed75c428439..19b53363a5b 100644
--- a/libsanitizer/asan/asan_intercepted_functions.h
+++ b/libsanitizer/asan/asan_intercepted_functions.h
@@ -12,22 +12,14 @@
#ifndef ASAN_INTERCEPTED_FUNCTIONS_H
#define ASAN_INTERCEPTED_FUNCTIONS_H
-#include "asan_internal.h"
-#include "interception/interception.h"
#include "sanitizer_common/sanitizer_platform_interceptors.h"
-#include <stdarg.h>
-#include <stddef.h>
-
-using __sanitizer::uptr;
-
// Use macro to describe if specific function should be
// intercepted on a given platform.
-#if !defined(_WIN32)
+#if !SANITIZER_WINDOWS
# define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 1
# define ASAN_INTERCEPT__LONGJMP 1
# define ASAN_INTERCEPT_STRDUP 1
-# define ASAN_INTERCEPT_STRCASECMP_AND_STRNCASECMP 1
# define ASAN_INTERCEPT_INDEX 1
# define ASAN_INTERCEPT_PTHREAD_CREATE 1
# define ASAN_INTERCEPT_MLOCKX 1
@@ -35,290 +27,51 @@ using __sanitizer::uptr;
# define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 0
# define ASAN_INTERCEPT__LONGJMP 0
# define ASAN_INTERCEPT_STRDUP 0
-# define ASAN_INTERCEPT_STRCASECMP_AND_STRNCASECMP 0
# define ASAN_INTERCEPT_INDEX 0
# define ASAN_INTERCEPT_PTHREAD_CREATE 0
# define ASAN_INTERCEPT_MLOCKX 0
#endif
-#if defined(__linux__)
+#if SANITIZER_LINUX
# define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 1
#else
# define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 0
#endif
-#if !defined(__APPLE__)
+#if !SANITIZER_MAC
# define ASAN_INTERCEPT_STRNLEN 1
#else
# define ASAN_INTERCEPT_STRNLEN 0
#endif
-#if defined(__linux__) && !defined(ANDROID)
+#if SANITIZER_LINUX && !SANITIZER_ANDROID
# define ASAN_INTERCEPT_SWAPCONTEXT 1
#else
# define ASAN_INTERCEPT_SWAPCONTEXT 0
#endif
-#if !defined(ANDROID) && !defined(_WIN32)
+#if !SANITIZER_ANDROID && !SANITIZER_WINDOWS
# define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 1
#else
# define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 0
#endif
-#if !defined(_WIN32)
+#if !SANITIZER_WINDOWS
# define ASAN_INTERCEPT_SIGLONGJMP 1
#else
# define ASAN_INTERCEPT_SIGLONGJMP 0
#endif
-#if ASAN_HAS_EXCEPTIONS && !defined(_WIN32)
+#if ASAN_HAS_EXCEPTIONS && !SANITIZER_WINDOWS
# define ASAN_INTERCEPT___CXA_THROW 1
#else
# define ASAN_INTERCEPT___CXA_THROW 0
#endif
-#define INTERPOSE_FUNCTION(function) \
- { reinterpret_cast<const uptr>(WRAP(function)), \
- reinterpret_cast<const uptr>(function) }
-
-#define INTERPOSE_FUNCTION_2(function, wrapper) \
- { reinterpret_cast<const uptr>(wrapper), \
- reinterpret_cast<const uptr>(function) }
-
-struct interpose_substitution {
- const uptr replacement;
- const uptr original;
-};
-
-#define INTERPOSER(func) __attribute__((used)) \
-const interpose_substitution substitution_##func[] \
- __attribute__((section("__DATA, __interpose"))) = { \
- INTERPOSE_FUNCTION(func), \
-}
-
-#define INTERPOSER_2(func, wrapper) __attribute__((used)) \
-const interpose_substitution substitution_##func[] \
- __attribute__((section("__DATA, __interpose"))) = { \
- INTERPOSE_FUNCTION_2(func, wrapper), \
-}
-
-
-#define DECLARE_FUNCTION_AND_WRAPPER(ret_type, func, ...) \
- ret_type func(__VA_ARGS__); \
- ret_type WRAP(func)(__VA_ARGS__); \
- INTERPOSER(func)
-
-// Use extern declarations of intercepted functions on Mac and Windows
-// to avoid including system headers.
-#if defined(__APPLE__) || (defined(_WIN32) && !defined(_DLL))
-extern "C" {
-// signal.h
-# if ASAN_INTERCEPT_SIGNAL_AND_SIGACTION
-struct sigaction;
-DECLARE_FUNCTION_AND_WRAPPER(int, sigaction, int sig,
- const struct sigaction *act,
- struct sigaction *oldact);
-DECLARE_FUNCTION_AND_WRAPPER(void*, signal, int signum, void *handler);
-# endif
-
-// setjmp.h
-DECLARE_FUNCTION_AND_WRAPPER(void, longjmp, void *env, int value);
-# if ASAN_INTERCEPT__LONGJMP
-DECLARE_FUNCTION_AND_WRAPPER(void, _longjmp, void *env, int value);
-# endif
-# if ASAN_INTERCEPT_SIGLONGJMP
-DECLARE_FUNCTION_AND_WRAPPER(void, siglongjmp, void *env, int value);
-# endif
-# if ASAN_INTERCEPT___CXA_THROW
-DECLARE_FUNCTION_AND_WRAPPER(void, __cxa_throw, void *a, void *b, void *c);
-# endif
-
-// string.h / strings.h
-DECLARE_FUNCTION_AND_WRAPPER(int, memcmp,
- const void *a1, const void *a2, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(void*, memmove,
- void *to, const void *from, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(void*, memcpy,
- void *to, const void *from, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(void*, memset, void *block, int c, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(char*, strchr, const char *str, int c);
-DECLARE_FUNCTION_AND_WRAPPER(char*, strcat, /* NOLINT */
- char *to, const char* from);
-DECLARE_FUNCTION_AND_WRAPPER(char*, strncat,
- char *to, const char* from, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(char*, strcpy, /* NOLINT */
- char *to, const char* from);
-DECLARE_FUNCTION_AND_WRAPPER(char*, strncpy,
- char *to, const char* from, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(int, strcmp, const char *s1, const char* s2);
-DECLARE_FUNCTION_AND_WRAPPER(int, strncmp,
- const char *s1, const char* s2, uptr size);
-DECLARE_FUNCTION_AND_WRAPPER(uptr, strlen, const char *s);
-# if ASAN_INTERCEPT_STRCASECMP_AND_STRNCASECMP
-DECLARE_FUNCTION_AND_WRAPPER(int, strcasecmp, const char *s1, const char *s2);
-DECLARE_FUNCTION_AND_WRAPPER(int, strncasecmp,
- const char *s1, const char *s2, uptr n);
-# endif
-# if ASAN_INTERCEPT_STRDUP
-DECLARE_FUNCTION_AND_WRAPPER(char*, strdup, const char *s);
-# endif
-# if ASAN_INTERCEPT_STRNLEN
-DECLARE_FUNCTION_AND_WRAPPER(uptr, strnlen, const char *s, uptr maxlen);
-# endif
-# if ASAN_INTERCEPT_INDEX
-char* index(const char *string, int c);
-INTERPOSER_2(index, WRAP(strchr));
-# endif
-
-// stdlib.h
-DECLARE_FUNCTION_AND_WRAPPER(int, atoi, const char *nptr);
-DECLARE_FUNCTION_AND_WRAPPER(long, atol, const char *nptr); // NOLINT
-DECLARE_FUNCTION_AND_WRAPPER(long, strtol, const char *nptr, char **endptr, int base); // NOLINT
-# if ASAN_INTERCEPT_ATOLL_AND_STRTOLL
-DECLARE_FUNCTION_AND_WRAPPER(long long, atoll, const char *nptr); // NOLINT
-DECLARE_FUNCTION_AND_WRAPPER(long long, strtoll, const char *nptr, char **endptr, int base); // NOLINT
-# endif
-
-// unistd.h
-# if SANITIZER_INTERCEPT_READ
-DECLARE_FUNCTION_AND_WRAPPER(SSIZE_T, read, int fd, void *buf, SIZE_T count);
-# endif
-# if SANITIZER_INTERCEPT_PREAD
-DECLARE_FUNCTION_AND_WRAPPER(SSIZE_T, pread, int fd, void *buf,
- SIZE_T count, OFF_T offset);
-# endif
-# if SANITIZER_INTERCEPT_PREAD64
-DECLARE_FUNCTION_AND_WRAPPER(SSIZE_T, pread64, int fd, void *buf,
- SIZE_T count, OFF64_T offset);
-# endif
-
-# if SANITIZER_INTERCEPT_WRITE
-DECLARE_FUNCTION_AND_WRAPPER(SSIZE_T, write, int fd, void *ptr, SIZE_T count);
-# endif
-# if SANITIZER_INTERCEPT_PWRITE
-DECLARE_FUNCTION_AND_WRAPPER(SSIZE_T, pwrite,
- int fd, void *ptr, SIZE_T count, OFF_T offset);
-# endif
-
-# if ASAN_INTERCEPT_MLOCKX
-// mlock/munlock
-DECLARE_FUNCTION_AND_WRAPPER(int, mlock, const void *addr, SIZE_T len);
-DECLARE_FUNCTION_AND_WRAPPER(int, munlock, const void *addr, SIZE_T len);
-DECLARE_FUNCTION_AND_WRAPPER(int, mlockall, int flags);
-DECLARE_FUNCTION_AND_WRAPPER(int, munlockall, void);
-# endif
-
-// Windows threads.
-# if defined(_WIN32)
-__declspec(dllimport)
-void* __stdcall CreateThread(void *sec, uptr st, void* start,
- void *arg, DWORD fl, DWORD *id);
-# endif
-// Posix threads.
-# if ASAN_INTERCEPT_PTHREAD_CREATE
-DECLARE_FUNCTION_AND_WRAPPER(int, pthread_create,
- void *thread, void *attr,
- void *(*start_routine)(void*), void *arg);
-# endif
-
-# if SANITIZER_INTERCEPT_LOCALTIME_AND_FRIENDS
-DECLARE_FUNCTION_AND_WRAPPER(void *, localtime, unsigned long *timep);
-DECLARE_FUNCTION_AND_WRAPPER(void *, localtime_r, unsigned long *timep,
- void *result);
-DECLARE_FUNCTION_AND_WRAPPER(void *, gmtime, unsigned long *timep);
-DECLARE_FUNCTION_AND_WRAPPER(void *, gmtime_r, unsigned long *timep,
- void *result);
-DECLARE_FUNCTION_AND_WRAPPER(char *, ctime, unsigned long *timep);
-DECLARE_FUNCTION_AND_WRAPPER(char *, ctime_r, unsigned long *timep,
- char *result);
-DECLARE_FUNCTION_AND_WRAPPER(char *, asctime, void *tm);
-DECLARE_FUNCTION_AND_WRAPPER(char *, asctime_r, void *tm, char *result);
-# endif
-
-// stdio.h
-# if SANITIZER_INTERCEPT_SCANF
-DECLARE_FUNCTION_AND_WRAPPER(int, vscanf, const char *format, va_list ap);
-DECLARE_FUNCTION_AND_WRAPPER(int, vsscanf, const char *str, const char *format,
- va_list ap);
-DECLARE_FUNCTION_AND_WRAPPER(int, vfscanf, void *stream, const char *format,
- va_list ap);
-DECLARE_FUNCTION_AND_WRAPPER(int, scanf, const char *format, ...);
-DECLARE_FUNCTION_AND_WRAPPER(int, fscanf,
- void* stream, const char *format, ...);
-DECLARE_FUNCTION_AND_WRAPPER(int, sscanf, // NOLINT
- const char *str, const char *format, ...);
-# endif
-
-# if defined(__APPLE__)
-typedef void* pthread_workqueue_t;
-typedef void* pthread_workitem_handle_t;
-
-typedef void* dispatch_group_t;
-typedef void* dispatch_queue_t;
-typedef void* dispatch_source_t;
-typedef u64 dispatch_time_t;
-typedef void (*dispatch_function_t)(void *block);
-typedef void* (*worker_t)(void *block);
-
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_async_f,
- dispatch_queue_t dq,
- void *ctxt, dispatch_function_t func);
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_sync_f,
- dispatch_queue_t dq,
- void *ctxt, dispatch_function_t func);
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_after_f,
- dispatch_time_t when, dispatch_queue_t dq,
- void *ctxt, dispatch_function_t func);
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_barrier_async_f,
- dispatch_queue_t dq,
- void *ctxt, dispatch_function_t func);
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_group_async_f,
- dispatch_group_t group, dispatch_queue_t dq,
- void *ctxt, dispatch_function_t func);
-
-# if !defined(MISSING_BLOCKS_SUPPORT)
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_group_async,
- dispatch_group_t dg,
- dispatch_queue_t dq, void (^work)(void));
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_async,
- dispatch_queue_t dq, void (^work)(void));
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_after,
- dispatch_queue_t dq, void (^work)(void));
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_source_set_event_handler,
- dispatch_source_t ds, void (^work)(void));
-DECLARE_FUNCTION_AND_WRAPPER(void, dispatch_source_set_cancel_handler,
- dispatch_source_t ds, void (^work)(void));
-# endif // MISSING_BLOCKS_SUPPORT
-
-typedef void malloc_zone_t;
-typedef size_t vm_size_t;
-DECLARE_FUNCTION_AND_WRAPPER(malloc_zone_t *, malloc_create_zone,
- vm_size_t start_size, unsigned flags);
-DECLARE_FUNCTION_AND_WRAPPER(malloc_zone_t *, malloc_default_zone, void);
-DECLARE_FUNCTION_AND_WRAPPER(
- malloc_zone_t *, malloc_default_purgeable_zone, void);
-DECLARE_FUNCTION_AND_WRAPPER(void, malloc_make_purgeable, void *ptr);
-DECLARE_FUNCTION_AND_WRAPPER(int, malloc_make_nonpurgeable, void *ptr);
-DECLARE_FUNCTION_AND_WRAPPER(void, malloc_set_zone_name,
- malloc_zone_t *zone, const char *name);
-DECLARE_FUNCTION_AND_WRAPPER(void *, malloc, size_t size);
-DECLARE_FUNCTION_AND_WRAPPER(void, free, void *ptr);
-DECLARE_FUNCTION_AND_WRAPPER(void *, realloc, void *ptr, size_t size);
-DECLARE_FUNCTION_AND_WRAPPER(void *, calloc, size_t nmemb, size_t size);
-DECLARE_FUNCTION_AND_WRAPPER(void *, valloc, size_t size);
-DECLARE_FUNCTION_AND_WRAPPER(size_t, malloc_good_size, size_t size);
-DECLARE_FUNCTION_AND_WRAPPER(int, posix_memalign,
- void **memptr, size_t alignment, size_t size);
-#if 0
-DECLARE_FUNCTION_AND_WRAPPER(void, _malloc_fork_prepare, void);
-DECLARE_FUNCTION_AND_WRAPPER(void, _malloc_fork_parent, void);
-DECLARE_FUNCTION_AND_WRAPPER(void, _malloc_fork_child, void);
+#if !SANITIZER_WINDOWS
+# define ASAN_INTERCEPT___CXA_ATEXIT 1
+#else
+# define ASAN_INTERCEPT___CXA_ATEXIT 0
#endif
-
-
-# endif // __APPLE__
-} // extern "C"
-#endif // defined(__APPLE__) || (defined(_WIN32) && !defined(_DLL))
-
#endif // ASAN_INTERCEPTED_FUNCTIONS_H
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