diff options
| author | Kamil Rytarowski <n54@gmx.com> | 2018-02-15 02:17:06 +0000 |
|---|---|---|
| committer | Kamil Rytarowski <n54@gmx.com> | 2018-02-15 02:17:06 +0000 |
| commit | 1f9dab592231af281de1855aefb2eeae0e1ce638 (patch) | |
| tree | 614bab9fbd7987bd4d0fed9d3891d99876cba24b /lib | |
| parent | 9815d7b45adfbf7abe14c4a794f891b83b2241fb (diff) | |
Add new interceptor: lstat(2)
Summary:
lstat - get file status
Use it on NetBSD.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, vitalybuka, eugenis
Reviewed By: vitalybuka
Subscribers: kubamracek, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D42909
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@325199 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_common_interceptors.inc | 18 | ||||
| -rw-r--r-- | lib/sanitizer_common/sanitizer_platform_interceptors.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_common_interceptors.inc b/lib/sanitizer_common/sanitizer_common_interceptors.inc index 85269e271..baf47e63b 100644 --- a/lib/sanitizer_common/sanitizer_common_interceptors.inc +++ b/lib/sanitizer_common/sanitizer_common_interceptors.inc @@ -92,6 +92,7 @@ #define localtime __locatime50 #define localtime_r __localtime_r50 #define mktime __mktime50 +#define lstat __lstat50 #define opendir __opendir30 #define readdir __readdir30 #define readdir_r __readdir_r30 @@ -6277,6 +6278,22 @@ INTERCEPTOR(int, stat, const char *path, void *buf) { #define INIT_STAT #endif +#if SANITIZER_INTERCEPT_LSTAT +INTERCEPTOR(int, lstat, const char *path, void *buf) { + void *ctx; + COMMON_INTERCEPTOR_ENTER(ctx, lstat, path, buf); + if (common_flags()->intercept_stat) + COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0); + int res = REAL(lstat)(path, buf); + if (!res) + COMMON_INTERCEPTOR_WRITE_RANGE(ctx, buf, __sanitizer::struct_stat_sz); + return res; +} +#define INIT_LSTAT COMMON_INTERCEPT_FUNCTION(lstat) +#else +#define INIT_LSTAT +#endif + #if SANITIZER_INTERCEPT___XSTAT INTERCEPTOR(int, __xstat, int version, const char *path, void *buf) { void *ctx; @@ -6991,6 +7008,7 @@ static void InitializeCommonInterceptors() { INIT_SEND_SENDTO; INIT_STAT; INIT_EVENTFD_READ_WRITE; + INIT_LSTAT; INIT___XSTAT; INIT___XSTAT64; INIT___LXSTAT; diff --git a/lib/sanitizer_common/sanitizer_platform_interceptors.h b/lib/sanitizer_common/sanitizer_platform_interceptors.h index 611b27581..5ccbb3155 100644 --- a/lib/sanitizer_common/sanitizer_platform_interceptors.h +++ b/lib/sanitizer_common/sanitizer_platform_interceptors.h @@ -406,6 +406,7 @@ #define SANITIZER_INTERCEPT_STAT \ (SI_FREEBSD || SI_MAC || SI_ANDROID || SI_NETBSD || SI_SOLARIS) +#define SANITIZER_INTERCEPT_LSTAT SI_NETBSD #define SANITIZER_INTERCEPT___XSTAT (!SANITIZER_INTERCEPT_STAT && SI_POSIX) #define SANITIZER_INTERCEPT___XSTAT64 SI_LINUX_NOT_ANDROID #define SANITIZER_INTERCEPT___LXSTAT SANITIZER_INTERCEPT___XSTAT |