diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/mips64/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/mips64/syscall.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/syscall.S b/sysdeps/unix/sysv/linux/mips/mips64/syscall.S new file mode 100644 index 0000000000..ea5bf491d6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/mips64/syscall.S @@ -0,0 +1,53 @@ +/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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> + +#include <sys/asm.h> + +/* Please consult the file sysdeps/unix/sysv/linux/x86-64/sysdep.h for + more information about the value -4095 used below. */ + +/* Usage: long syscall (syscall_number, arg1, arg2, arg3, arg4, arg5) + We need to do some arg shifting, the syscall_number will be in + rax. */ + + + .text +ENTRY (syscall) + move v0, a0 /* Syscall number -> v0 */ + move a0, a1 /* shift arg1 - arg7. */ + move a1, a2 + move a2, a3 + move a3, a4 + move a4, a5 + move a5, a6 + move a6, a7 + + syscall /* Do the system call. */ + bne a3, zero, L(error) + + ret + +L(error): + .cpsetup t9, a0, syscall + PTR_LA t9,__syscall_error + .cprestore + jr t9 + +PSEUDO_END (syscall) |