diff options
Diffstat (limited to 'libc/sysdeps/linux/mips')
| -rw-r--r-- | libc/sysdeps/linux/mips/__uClibc_syscall.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/__uClibc_syscall.S b/libc/sysdeps/linux/mips/__uClibc_syscall.S new file mode 100644 index 000000000..9993976d4 --- /dev/null +++ b/libc/sysdeps/linux/mips/__uClibc_syscall.S @@ -0,0 +1,45 @@ +/* + * $Id: __uClibc_syscall.S,v 1.1 2002/08/09 13:43:21 andersen Exp $ + * + * __uClibc_syscall.S - MIPS version. + * + * Derived from x86 implementation to reduce memory footprint + * for syscalls. + * + * Mark Rustad, 03/21/2002 + * Copyright 2002 BRECIS Communications Corp. + * + * uClibc is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with uClibc; if not, write to the Free + * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA. + */ + + #include <sys/regdef.h> + + .text + .align 4 + .globl __uClibc_syscall + .ent __uClibc_syscall,0 + .type __uClibc_syscall,@function +__uClibc_syscall: + syscall + .set noreorder + beqz a3, 1f + lui t3, %hi(errno) + .set reorder + negu a1, v0 + sw a1, %lo(errno)(t3) + li v0, -1 +1: + j ra + .end __uClibc_syscall + +.Lsize: + .size __uClibc_syscall,.Lsize-__uClibc_syscall + |