diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/semtimedop.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/semtimedop.S | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/semtimedop.S b/sysdeps/unix/sysv/linux/i386/semtimedop.S new file mode 100644 index 0000000..5726416 --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/semtimedop.S @@ -0,0 +1,63 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + +#define SYSOP_semtimedop 4 + +#define SVRSP 12 /* saved register space */ +#define PARMS LINKAGE+SVRSP /* space for 3 saved regs */ +#define SEMID PARMS +#define SOPS SEMID+4 +#define NSOPS SOPS+PTR_SIZE +#define TIMEOUT NSOPS+4 + + .text +ENTRY (BP_SYM (semtimedop)) + + pushl %ebp + pushl %ebx + pushl %edi + + movl $SYSOP_semtimedop, %ebx + movl SEMID(%esp), %ecx + movl NSOPS(%esp), %edx + movl SOPS(%esp), %edi + movl TIMEOUT(%esp), %ebp + movl $__NR_ipc, %eax + + ENTER_KERNEL + + /* Restore registers. */ + popl %edi + popl %ebx + popl %ebp + + /* If 0 > %eax > -4096 there was an error. */ + cmpl $-4096, %eax + ja SYSCALL_ERROR_LABEL + + /* Successful; return the syscall's value. */ +L(pseudo_end): + ret + +#ifdef PIC + .align 4 +#endif +PSEUDO_END (BP_SYM (semtimedop)) |