diff options
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp index 3f30bfed..b768b8e 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp +++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp @@ -33,11 +33,15 @@ // For mips64, syscall(__NR_stat) fills the buffer in the 'struct kernel_stat' // format. Struct kernel_stat is defined as 'struct stat' in asm/stat.h. To // access stat from asm/stat.h, without conflicting with definition in -// sys/stat.h, we use this trick. -# if SANITIZER_MIPS64 +// sys/stat.h, we use this trick. sparc64 is similar, using +// syscall(__NR_stat64) and struct kernel_stat64. +# if SANITIZER_MIPS64 || SANITIZER_SPARC64 # include <asm/unistd.h> # include <sys/types.h> # define stat kernel_stat +# if SANITIZER_SPARC64 +# define stat64 kernel_stat64 +# endif # if SANITIZER_GO # undef st_atime # undef st_mtime @@ -48,6 +52,7 @@ # endif # include <asm/stat.h> # undef stat +# undef stat64 # endif # include <dlfcn.h> @@ -285,8 +290,7 @@ uptr internal_ftruncate(fd_t fd, uptr size) { return res; } -# if (!SANITIZER_LINUX_USES_64BIT_SYSCALLS || SANITIZER_SPARC) && \ - SANITIZER_LINUX +# if !SANITIZER_LINUX_USES_64BIT_SYSCALLS && SANITIZER_LINUX static void stat64_to_stat(struct stat64 *in, struct stat *out) { internal_memset(out, 0, sizeof(*out)); out->st_dev = in->st_dev; @@ -327,7 +331,12 @@ static void statx_to_stat(struct statx *in, struct stat *out) { } # endif -# if SANITIZER_MIPS64 +# if SANITIZER_MIPS64 || SANITIZER_SPARC64 +# if SANITIZER_MIPS64 +typedef struct kernel_stat kstat_t; +# else +typedef struct kernel_stat64 kstat_t; +# endif // Undefine compatibility macros from <sys/stat.h> // so that they would not clash with the kernel_stat // st_[a|m|c]time fields @@ -345,7 +354,7 @@ static void statx_to_stat(struct statx *in, struct stat *out) { # undef st_mtime_nsec # undef st_ctime_nsec # endif -static void kernel_stat_to_stat(struct kernel_stat *in, struct stat *out) { +static void kernel_stat_to_stat(kstat_t *in, struct stat *out) { internal_memset(out, 0, sizeof(*out)); out->st_dev = in->st_dev; out->st_ino = in->st_ino; @@ -391,6 +400,12 @@ uptr internal_stat(const char *path, void *buf) { !SANITIZER_SPARC return internal_syscall(SYSCALL(newfstatat), AT_FDCWD, (uptr)path, (uptr)buf, 0); +# elif SANITIZER_SPARC64 + kstat_t buf64; + int res = internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path, + (uptr)&buf64, 0); + kernel_stat_to_stat(&buf64, (struct stat *)buf); + return res; # else struct stat64 buf64; int res = internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path, @@ -423,6 +438,12 @@ uptr internal_lstat(const char *path, void *buf) { !SANITIZER_SPARC return internal_syscall(SYSCALL(newfstatat), AT_FDCWD, (uptr)path, (uptr)buf, AT_SYMLINK_NOFOLLOW); +# elif SANITIZER_SPARC64 + kstat_t buf64; + int res = internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path, + (uptr)&buf64, AT_SYMLINK_NOFOLLOW); + kernel_stat_to_stat(&buf64, (struct stat *)buf); + return res; # else struct stat64 buf64; int res = internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path, @@ -442,10 +463,16 @@ uptr internal_fstat(fd_t fd, void *buf) { # if SANITIZER_FREEBSD || SANITIZER_LINUX_USES_64BIT_SYSCALLS # if SANITIZER_MIPS64 // For mips64, fstat syscall fills buffer in the format of kernel_stat - struct kernel_stat kbuf; + kstat_t kbuf; int res = internal_syscall(SYSCALL(fstat), fd, &kbuf); kernel_stat_to_stat(&kbuf, (struct stat *)buf); return res; +# elif SANITIZER_LINUX && SANITIZER_SPARC64 + // For sparc64, fstat64 syscall fills buffer in the format of kernel_stat64 + kstat_t kbuf; + int res = internal_syscall(SYSCALL(fstat64), fd, &kbuf); + kernel_stat_to_stat(&kbuf, (struct stat *)buf); + return res; # elif SANITIZER_LINUX && defined(__loongarch__) struct statx bufx; int res = internal_syscall(SYSCALL(statx), fd, "", AT_EMPTY_PATH, |