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0dee6738 | 1 | /* Copyright (C) 1991, 92, 93, 96, 98 Free Software Foundation, Inc. |
b5791037 | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
b5791037 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
b5791037 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
28f540f4 | 18 | |
e75154a6 RM |
19 | #include <sysdeps/generic/sysdep.h> |
20 | ||
df4ef2ab | 21 | #include <sys/syscall.h> |
28f540f4 RM |
22 | #define HAVE_SYSCALLS |
23 | ||
24 | /* Note that using a `PASTE' macro loses. */ | |
25 | #ifdef __STDC__ | |
26 | #define SYSCALL__(name, args) PSEUDO (__##name, name, args) | |
27 | #else | |
28 | #define SYSCALL__(name, args) PSEUDO (__/**/name, name, args) | |
29 | #endif | |
30 | #define SYSCALL(name, args) PSEUDO (name, name, args) | |
31 | ||
32 | /* Machine-dependent sysdep.h files are expected to define the macro | |
33 | PSEUDO (function_name, syscall_name) to emit assembly code to define the | |
34 | C-callable function FUNCTION_NAME to do system call SYSCALL_NAME. | |
35 | r0 and r1 are the system call outputs. MOVE(x, y) should be defined as | |
36 | an instruction such that "MOVE(r1, r0)" works. ret should be defined | |
37 | as the return instruction. */ | |
38 | ||
28f540f4 RM |
39 | #ifdef __STDC__ |
40 | #define SYS_ify(syscall_name) SYS_##syscall_name | |
41 | #else | |
42 | #define SYS_ify(syscall_name) SYS_/**/syscall_name | |
43 | #endif | |
84724245 | 44 | |
a1470b6f RM |
45 | /* Terminate a system call named SYM. This is used on some platforms |
46 | to generate correct debugging information. */ | |
b5791037 | 47 | #ifndef PSEUDO_END |
a1470b6f | 48 | #define PSEUDO_END(sym) |
b5791037 | 49 | #endif |
0dee6738 UD |
50 | |
51 | /* Wrappers around system calls should normally inline the system call code. | |
52 | But sometimes it is not possible or implemented and we use this code. */ | |
53 | #define INLINE_SYSCALL(name, nr, args...) __syscall_##name (args) |