diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/fxstat64.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/fxstat64.c | 53 |
1 files changed, 38 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/fxstat64.c b/sysdeps/unix/sysv/linux/fxstat64.c index 9133a0a29b..330af75f11 100644 --- a/sysdeps/unix/sysv/linux/fxstat64.c +++ b/sysdeps/unix/sysv/linux/fxstat64.c @@ -16,15 +16,13 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <stddef.h> -#include <fcntl.h> +#define __fxstat __redirect___fxstat #include <sys/stat.h> +#undef __fxstat +#include <fcntl.h> #include <kernel_stat.h> - #include <sysdep.h> -#include <sys/syscall.h> - +#include <xstatconv.h> #include <statx_cp.h> /* Get information about the file FD in BUF. */ @@ -32,17 +30,37 @@ int ___fxstat64 (int vers, int fd, struct stat64 *buf) { - int result; -#ifdef __NR_fstat64 - result = INLINE_SYSCALL (fstat64, 2, fd, buf); -#else +#if XSTAT_IS_XSTAT64 +# ifdef __NR_fstat64 + /* 64-bit kABI outlier, e.g. sparc64. */ + if (vers == _STAT_VER_KERNEL) + return INLINE_SYSCALL_CALL (fstat, fd, buf); + else + { + struct stat64 st64; + int r = INLINE_SYSCALL_CALL (fstat64, fd, &st64); + return r ?: __xstat32_conv (vers, &st64, (struct stat *) buf); + } +# elif defined __NR_fstat + /* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, + and x86_64. */ + if (vers == _STAT_VER_KERNEL || vers == _STAT_VER_LINUX) + return INLINE_SYSCALL_CALL (fstat, fd, buf); + return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); +# else + /* New 32-bit kABIs with only 64-bit time_t support, e.g. arc, riscv32. */ struct statx tmp; - result = INLINE_SYSCALL (statx, 5, fd, "", AT_EMPTY_PATH, STATX_BASIC_STATS, - &tmp); - if (result == 0) + int r = INLINE_SYSCALL_CALL (statx, fd, "", AT_EMPTY_PATH, + STATX_BASIC_STATS, &tmp); + if (r == 0) __cp_stat64_statx (buf, &tmp); -#endif - return result; + return r; +# endif +#else + /* All kABIs with non-LFS support, e.g. arm, csky, i386, hppa, m68k, + microblaze, mips32, nios2, sh, powerpc32, and sparc32. */ + return INLINE_SYSCALL_CALL (fstat64, fd, buf); +#endif /* XSTAT_IS_XSTAT64 */ } #include <shlib-compat.h> @@ -56,3 +74,8 @@ hidden_ver (___fxstat64, __fxstat64) strong_alias (___fxstat64, __fxstat64) hidden_def (__fxstat64) #endif + +#if XSTAT_IS_XSTAT64 +strong_alias (__fxstat64, __fxstat); +hidden_ver (__fxstat64, __fxstat) +#endif |