1 | /* Copyright (C) 1991-2022 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 | ENTRY (syscall) |
21 | mr r0,r3 |
22 | mr r3,r4 |
23 | mr r4,r5 |
24 | mr r5,r6 |
25 | mr r6,r7 |
26 | mr r7,r8 |
27 | mr r8,r9 |
28 | #if defined(USE_PPC_SCV) && !IS_IN(rtld) && (defined(__PPC64__) || defined(__powerpc64__)) |
29 | CHECK_SCV_SUPPORT r9 0f |
30 | stdu r1,-SCV_FRAME_SIZE(r1) |
31 | cfi_adjust_cfa_offset(SCV_FRAME_SIZE) |
32 | DO_CALL_SCV |
33 | addi r1,r1,SCV_FRAME_SIZE |
34 | cfi_adjust_cfa_offset(-SCV_FRAME_SIZE) |
35 | RET_SCV |
36 | b 1f |
37 | #endif |
38 | 0: DO_CALL_SC |
39 | RET_SC |
40 | 1: TAIL_CALL_SYSCALL_ERROR |
41 | PSEUDO_END (syscall) |
42 | |