diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/syscall.S | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/syscall.S b/sysdeps/unix/sysv/linux/x86_64/syscall.S deleted file mode 100644 index f6486b9e4d..0000000000 --- a/sysdeps/unix/sysv/linux/x86_64/syscall.S +++ /dev/null @@ -1,42 +0,0 @@ -/* Copyright (C) 2001-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.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, arg6) - We need to do some arg shifting, the syscall_number will be in - rax. */ - - - .text -ENTRY (syscall) - movq %rdi, %rax /* Syscall number -> rax. */ - movq %rsi, %rdi /* shift arg1 - arg5. */ - movq %rdx, %rsi - movq %rcx, %rdx - movq %r8, %r10 - movq %r9, %r8 - movq 8(%rsp),%r9 /* arg6 is on the stack. */ - syscall /* Do the system call. */ - cmpq $-4095, %rax /* Check %rax for error. */ - jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */ - ret /* Return to caller. */ - -PSEUDO_END (syscall) |