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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/i386/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), %eax; \ | |
28 | lcall $7, $0 | |
29 | ||
30 | #define r0 %eax /* Normal return-value register. */ | |
31 | #define r1 %edx /* Secondary return-value register. */ | |
32 | #define scratch %ecx /* Call-clobbered register for random use. */ | |
33 | #define MOVE(x,y) movl x, y | |
34 | ||
35 | #endif /* __ASSEMBLER__ */ |