1/* Copyright (C) 2001-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <sysdep.h>
19
20/* The following code is only used in the shared library when we
21 compile the reentrant version. Otherwise each system call defines
22 each own version. */
23
24#ifndef PIC
25
26/* The syscall stubs jump here when they detect an error.
27 The code for Linux is almost identical to the canonical Unix
28 code, except that the error number in %rax is negated. */
29
30#undef CALL_MCOUNT
31#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %rax. */
32
33 .text
34ENTRY (__syscall_error)
35 neg %RAX_LP
36
37#define __syscall_error __syscall_error_1
38#include <sysdeps/unix/x86_64/sysdep.S>
39
40#endif /* !PIC */
41

source code of glibc/sysdeps/unix/sysv/linux/x86_64/sysdep.S