diff options
Diffstat (limited to 'libc/sysdeps/linux/i386/posix_fadvise64.S')
| -rw-r--r-- | libc/sysdeps/linux/i386/posix_fadvise64.S | 68 |
1 files changed, 14 insertions, 54 deletions
diff --git a/libc/sysdeps/linux/i386/posix_fadvise64.S b/libc/sysdeps/linux/i386/posix_fadvise64.S index da3f36394..3047b0d05 100644 --- a/libc/sysdeps/linux/i386/posix_fadvise64.S +++ b/libc/sysdeps/linux/i386/posix_fadvise64.S @@ -13,20 +13,18 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ -#define _ERRNO_H 1 -#include <features.h> -#include <bits/errno.h> +#include <_lfs_64.h> #include <sys/syscall.h> +#ifdef __NR_fadvise64_64 + .text .global posix_fadvise64 .type posix_fadvise64,%function posix_fadvise64: -#if defined __NR_fadvise64_64 && defined __UCLIBC_HAS_LFS__ /* Save regs */ pushl %ebp pushl %ebx @@ -35,12 +33,12 @@ posix_fadvise64: movl $__NR_fadvise64_64, %eax /* Syscall number in %eax. */ - movl 24(%esp), %ebx - movl 28(%esp), %ecx - movl 32(%esp), %edx - movl 36(%esp), %esi - movl 40(%esp), %edi - movl 44(%esp), %ebp + movl 20(%esp), %ebx + movl 24(%esp), %ecx + movl 28(%esp), %edx + movl 32(%esp), %esi + movl 36(%esp), %edi + movl 40(%esp), %ebp /* Do the system call trap. */ int $0x80 @@ -51,48 +49,10 @@ posix_fadvise64: popl %ebx popl %ebp - /* If 0 > %eax > -4096 there was an error. */ - cmpl $-4096, %eax - ja __syscall_error -#elif defined __NR_fadvise64 - /* Save regs */ - pushl %ebx - pushl %esi - pushl %edi - - /* does len overflow long? */ - cmpl $0, 40(%esp) - movl $-EOVERFLOW, %eax - ja overflow + /* Returns 0 on success, else an error code. */ + negl %eax - movl $__NR_fadvise64, %eax /* Syscall number in %eax. */ - - movl 24(%esp), %ebx - movl 28(%esp), %ecx - movl 32(%esp), %edx - movl 36(%esp), %esi - movl 44(%esp), %edi - - /* Do the system call trap. */ - int $0x80 -overflow: - /* Restore regs */ - popl %edi - popl %esi - popl %ebx - - /* If 0 > %eax > -4096 there was an error. */ - cmpl $-4096, %eax - ja __syscall_error - -#elif defined __UCLIBC_HAS_STUBS__ - movl $-ENOSYS, %eax - jmp __syscall_error -#endif /* Successful; return the syscall's value. */ ret - .size posix_fadvise64,.-posix_fadvise64 - -libc_hidden_def(posix_fadvise64) - +#endif |