1 | /* Copyright (C) 2001-2021 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 |
34 | ENTRY (__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 | |