1 | /* Copyright (C) 1991-2021 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 <sysdeps/unix/sysdep.h> |
19 | #include <sysdeps/x86_64/sysdep.h> |
20 | |
21 | #ifdef __ASSEMBLER__ |
22 | |
23 | /* This is defined as a separate macro so that other sysdep.h files |
24 | can include this one and then redefine DO_CALL. */ |
25 | |
26 | #define DO_CALL(syscall_name, args) \ |
27 | lea SYS_ify (syscall_name), %rax; \ |
28 | syscall |
29 | |
30 | #define r0 %rax /* Normal return-value register. */ |
31 | #define r1 %rbx /* Secondary return-value register. */ |
32 | #define MOVE(x,y) movq x, y |
33 | |
34 | #endif /* __ASSEMBLER__ */ |
35 | |