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[src/trunk]: src/external/gpl3/gcc/lib Sync interceptors of sanitizers with L...
details: https://anonhg.NetBSD.org/src/rev/7ea237822726
branches: trunk
changeset: 954850:7ea237822726
user: kamil <kamil%NetBSD.org@localhost>
date: Sat Sep 12 15:01:38 2020 +0000
description:
Sync interceptors of sanitizers with LLVM rev. 00460ae520
Use the 2020-09-10 snapshot to replace two-years-old GCC9 copy of
interceptors.
With this change, ASan works with the locally patched GCC tree (as there
were IOCTL operations not properly defined).
diffstat:
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc | 3226 +++++++++-
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_common_interceptors_netbsd_compat.inc | 128 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_fuchsia.cc | 4 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_glibc_version.h | 26 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_interceptors_ioctl_netbsd.inc | 104 +-
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_internal_defs.h | 2 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_libc.h | 2 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_linux.cc | 9 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_mac.cc | 4 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_netbsd.cc | 5 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_interceptors.h | 120 +-
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_freebsd.h | 656 ++
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_netbsd.cc | 797 ++-
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_platform_limits_netbsd.h | 266 +-
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_rtems.cc | 4 +
external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_win.cc | 4 +
external/gpl3/gcc/lib/Makefile.sanitizer | 5 +-
17 files changed, 4942 insertions(+), 420 deletions(-)
diffs (truncated from 6876 to 300 lines):
diff -r 10b2e879233f -r 7ea237822726 external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
--- a/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc Sat Sep 12 14:44:25 2020 +0000
+++ b/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc Sat Sep 12 15:01:38 2020 +0000
@@ -1,7 +1,8 @@
//===-- sanitizer_common_interceptors.inc -----------------------*- C++ -*-===//
//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
//
//===----------------------------------------------------------------------===//
//
@@ -62,7 +63,7 @@
#define va_copy(dst, src) ((dst) = (src))
#endif // _WIN32
-#if SANITIZER_BSD
+#if SANITIZER_FREEBSD
#define pthread_setname_np pthread_set_name_np
#define inet_aton __inet_aton
#define inet_pton __inet_pton
@@ -76,7 +77,17 @@
#define ctime __ctime50
#define ctime_r __ctime_r50
#define devname __devname50
+#define fgetpos __fgetpos50
+#define fsetpos __fsetpos50
+#define fstatvfs __fstatvfs90
+#define fstatvfs1 __fstatvfs190
+#define fts_children __fts_children60
+#define fts_close __fts_close60
+#define fts_open __fts_open60
+#define fts_read __fts_read60
+#define fts_set __fts_set60
#define getitimer __getitimer50
+#define getmntinfo __getmntinfo90
#define getpwent __getpwent50
#define getpwnam __getpwnam50
#define getpwnam_r __getpwnam_r50
@@ -86,6 +97,8 @@
#define getutxent __getutxent50
#define getutxid __getutxid50
#define getutxline __getutxline50
+#define getvfsstat __getvfsstat90
+#define pututxline __pututxline50
#define glob __glob30
#define gmtime __gmtime50
#define gmtime_r __gmtime_r50
@@ -100,14 +113,18 @@
#define setitimer __setitimer50
#define setlocale __setlocale50
#define shmctl __shmctl50
+#define sigaltstack __sigaltstack14
#define sigemptyset __sigemptyset14
#define sigfillset __sigfillset14
#define sigpending __sigpending14
#define sigprocmask __sigprocmask14
#define sigtimedwait __sigtimedwait50
#define stat __stat50
+#define statvfs __statvfs90
+#define statvfs1 __statvfs190
#define time __time50
#define times __times13
+#define unvis __unvis50
#define wait3 __wait350
#define wait4 __wait450
extern const unsigned short *_ctype_tab_;
@@ -117,11 +134,7 @@
// Platform-specific options.
#if SANITIZER_MAC
-namespace __sanitizer {
-bool PlatformHasDifferentMemcpyAndMemmove();
-}
-#define PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE \
- (__sanitizer::PlatformHasDifferentMemcpyAndMemmove())
+#define PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE false
#elif SANITIZER_WINDOWS64
#define PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE false
#else
@@ -311,11 +324,11 @@
};
};
+#if SI_POSIX
typedef AddrHashMap<CommonInterceptorMetadata, 31051> MetadataHashMap;
static MetadataHashMap *interceptor_metadata_map;
-#if SI_POSIX
UNUSED static void SetInterceptorMetadata(__sanitizer_FILE *addr,
const FileMetadata &file) {
MetadataHashMap::Handle h(interceptor_metadata_map, (uptr)addr);
@@ -813,16 +826,14 @@
#endif
#if SANITIZER_INTERCEPT_MEMCMP
-
DECLARE_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, uptr called_pc,
const void *s1, const void *s2, uptr n,
int result)
-INTERCEPTOR(int, memcmp, const void *a1, const void *a2, uptr size) {
- if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
- return internal_memcmp(a1, a2, size);
- void *ctx;
- COMMON_INTERCEPTOR_ENTER(ctx, memcmp, a1, a2, size);
+// Common code for `memcmp` and `bcmp`.
+int MemcmpInterceptorCommon(void *ctx,
+ int (*real_fn)(const void *, const void *, uptr),
+ const void *a1, const void *a2, uptr size) {
if (common_flags()->intercept_memcmp) {
if (common_flags()->strict_memcmp) {
// Check the entire regions even if the first bytes of the buffers are
@@ -848,17 +859,39 @@
return r;
}
}
- int result = REAL(memcmp(a1, a2, size));
+ int result = real_fn(a1, a2, size);
CALL_WEAK_INTERCEPTOR_HOOK(__sanitizer_weak_hook_memcmp, GET_CALLER_PC(), a1,
a2, size, result);
return result;
}
+INTERCEPTOR(int, memcmp, const void *a1, const void *a2, uptr size) {
+ if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
+ return internal_memcmp(a1, a2, size);
+ void *ctx;
+ COMMON_INTERCEPTOR_ENTER(ctx, memcmp, a1, a2, size);
+ return MemcmpInterceptorCommon(ctx, REAL(memcmp), a1, a2, size);
+}
+
#define INIT_MEMCMP COMMON_INTERCEPT_FUNCTION(memcmp)
#else
#define INIT_MEMCMP
#endif
+#if SANITIZER_INTERCEPT_BCMP
+INTERCEPTOR(int, bcmp, const void *a1, const void *a2, uptr size) {
+ if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
+ return internal_memcmp(a1, a2, size);
+ void *ctx;
+ COMMON_INTERCEPTOR_ENTER(ctx, bcmp, a1, a2, size);
+ return MemcmpInterceptorCommon(ctx, REAL(bcmp), a1, a2, size);
+}
+
+#define INIT_BCMP COMMON_INTERCEPT_FUNCTION(bcmp)
+#else
+#define INIT_BCMP
+#endif
+
#if SANITIZER_INTERCEPT_MEMCHR
INTERCEPTOR(void*, memchr, const void *s, int c, SIZE_T n) {
if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
@@ -1215,7 +1248,9 @@
// libc file streams can call user-supplied functions, see fopencookie.
void *ctx;
COMMON_INTERCEPTOR_ENTER(ctx, fputs, s, file);
- COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1);
+ if (!SANITIZER_MAC || s) { // `fputs(NULL, file)` is supported on Darwin.
+ COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1);
+ }
return REAL(fputs)(s, file);
}
#define INIT_FPUTS COMMON_INTERCEPT_FUNCTION(fputs)
@@ -1228,7 +1263,9 @@
// libc file streams can call user-supplied functions, see fopencookie.
void *ctx;
COMMON_INTERCEPTOR_ENTER(ctx, puts, s);
- COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1);
+ if (!SANITIZER_MAC || s) { // `puts(NULL)` is supported on Darwin.
+ COMMON_INTERCEPTOR_READ_RANGE(ctx, s, REAL(strlen)(s) + 1);
+ }
return REAL(puts)(s);
}
#define INIT_PUTS COMMON_INTERCEPT_FUNCTION(puts)
@@ -1237,9 +1274,8 @@
#endif
#if SANITIZER_INTERCEPT_PRCTL
-INTERCEPTOR(int, prctl, int option, unsigned long arg2,
- unsigned long arg3, // NOLINT
- unsigned long arg4, unsigned long arg5) { // NOLINT
+INTERCEPTOR(int, prctl, int option, unsigned long arg2, unsigned long arg3,
+ unsigned long arg4, unsigned long arg5) {
void *ctx;
COMMON_INTERCEPTOR_ENTER(ctx, prctl, option, arg2, arg3, arg4, arg5);
static const int PR_SET_NAME = 15;
@@ -1491,14 +1527,6 @@
INTERCEPTOR(int, sscanf, const char *str, const char *format, ...)
FORMAT_INTERCEPTOR_IMPL(sscanf, vsscanf, str, format)
-#define INIT_SCANF_NORMAL \
- INTERCEPT_FUNCTION(scanf); \
- INTERCEPT_FUNCTION(sscanf); \
- INTERCEPT_FUNCTION(fscanf); \
- INTERCEPT_FUNCTION(vscanf); \
- INTERCEPT_FUNCTION(vsscanf); \
- INTERCEPT_FUNCTION(vfscanf); \
-
#if SANITIZER_INTERCEPT_ISOC99_SCANF
INTERCEPTOR(int, __isoc99_scanf, const char *format, ...)
FORMAT_INTERCEPTOR_IMPL(__isoc99_scanf, __isoc99_vscanf, format)
@@ -1679,13 +1707,13 @@
FORMAT_INTERCEPTOR_IMPL(__fprintf_chk, vfprintf, stream, format)
#endif
-INTERCEPTOR(int, sprintf, char *str, const char *format, ...) // NOLINT
-FORMAT_INTERCEPTOR_IMPL(sprintf, vsprintf, str, format) // NOLINT
+INTERCEPTOR(int, sprintf, char *str, const char *format, ...)
+FORMAT_INTERCEPTOR_IMPL(sprintf, vsprintf, str, format)
#if SANITIZER_INTERCEPT___PRINTF_CHK
INTERCEPTOR(int, __sprintf_chk, char *str, int flag, SIZE_T size_to,
- const char *format, ...) // NOLINT
-FORMAT_INTERCEPTOR_IMPL(__sprintf_chk, vsprintf, str, format) // NOLINT
+ const char *format, ...)
+FORMAT_INTERCEPTOR_IMPL(__sprintf_chk, vsprintf, str, format)
#endif
INTERCEPTOR(int, snprintf, char *str, SIZE_T size, const char *format, ...)
@@ -1693,8 +1721,8 @@
#if SANITIZER_INTERCEPT___PRINTF_CHK
INTERCEPTOR(int, __snprintf_chk, char *str, SIZE_T size, int flag,
- SIZE_T size_to, const char *format, ...) // NOLINT
-FORMAT_INTERCEPTOR_IMPL(__snprintf_chk, vsnprintf, str, size, format) // NOLINT
+ SIZE_T size_to, const char *format, ...)
+FORMAT_INTERCEPTOR_IMPL(__snprintf_chk, vsnprintf, str, size, format)
#endif
INTERCEPTOR(int, asprintf, char **strp, const char *format, ...)
@@ -1819,58 +1847,53 @@
#define INIT_IOCTL
#endif
-#if SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS || \
- SANITIZER_INTERCEPT_GETPWENT || SANITIZER_INTERCEPT_FGETPWENT || \
- SANITIZER_INTERCEPT_GETPWENT_R || SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS
-static void unpoison_passwd(void *ctx, __sanitizer_passwd *pwd) {
+#if SANITIZER_POSIX
+UNUSED static void unpoison_passwd(void *ctx, __sanitizer_passwd *pwd) {
if (pwd) {
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd, sizeof(*pwd));
if (pwd->pw_name)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_name,
- REAL(strlen)(pwd->pw_name) + 1);
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_name,
+ REAL(strlen)(pwd->pw_name) + 1);
if (pwd->pw_passwd)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_passwd,
- REAL(strlen)(pwd->pw_passwd) + 1);
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_passwd,
+ REAL(strlen)(pwd->pw_passwd) + 1);
#if !SANITIZER_ANDROID
if (pwd->pw_gecos)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_gecos,
- REAL(strlen)(pwd->pw_gecos) + 1);
-#endif
-#if SANITIZER_MAC
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_gecos,
+ REAL(strlen)(pwd->pw_gecos) + 1);
+#endif
+#if SANITIZER_MAC || SANITIZER_FREEBSD || SANITIZER_NETBSD || SANITIZER_OPENBSD
if (pwd->pw_class)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_class,
- REAL(strlen)(pwd->pw_class) + 1);
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_class,
+ REAL(strlen)(pwd->pw_class) + 1);
#endif
if (pwd->pw_dir)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_dir,
- REAL(strlen)(pwd->pw_dir) + 1);
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_dir,
+ REAL(strlen)(pwd->pw_dir) + 1);
if (pwd->pw_shell)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(pwd->pw_shell,
- REAL(strlen)(pwd->pw_shell) + 1);
- }
-}
-
-static void unpoison_group(void *ctx, __sanitizer_group *grp) {
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, pwd->pw_shell,
+ REAL(strlen)(pwd->pw_shell) + 1);
+ }
+}
+
+UNUSED static void unpoison_group(void *ctx, __sanitizer_group *grp) {
if (grp) {
COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp, sizeof(*grp));
if (grp->gr_name)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(grp->gr_name,
- REAL(strlen)(grp->gr_name) + 1);
+ COMMON_INTERCEPTOR_WRITE_RANGE(ctx, grp->gr_name,
+ REAL(strlen)(grp->gr_name) + 1);
if (grp->gr_passwd)
- COMMON_INTERCEPTOR_INITIALIZE_RANGE(grp->gr_passwd,
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