projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 581c785b | 1 | /* Copyright (C) 2001-2022 Free Software Foundation, Inc. |
| 847b055c AJ |
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 | |
| 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. | |
| 847b055c AJ |
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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 847b055c | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 15 | License along with the GNU C Library; if not, see |
| 5cb226d7 | 16 | <https://www.gnu.org/licenses/>. */ |
| 847b055c AJ |
17 | |
| 18 | #include <sysdep.h> | |
| 19 | ||
| 20 | /* Please consult the file sysdeps/unix/sysv/linux/s390/sysdep.h for | |
| 21 | more information about the value -4095 used below.*/ | |
| 22 | ||
| 23 | ENTRY (syscall) | |
| 76aaa13d | 24 | stmg %r6,%r7,48(%r15) /* Save registers. */ |
| 844a34a2 UD |
25 | cfi_offset (%r7,-104) |
| 26 | cfi_offset (%r6,-112) | |
| 9c84384c | 27 | |
| ffeac417 UD |
28 | lgr %r1,%r2 /* Move syscall number. */ |
| 29 | lgr %r2,%r3 /* First parameter. */ | |
| 30 | lgr %r3,%r4 /* Second parameter. */ | |
| 31 | lgr %r4,%r5 /* Third parameter. */ | |
| 32 | lgr %r5,%r6 /* Fourth parameter. */ | |
| 76aaa13d | 33 | lmg %r6,%r7,160(%r15) /* Fifth / Sixth parameter. */ |
| 35810f5c | 34 | svc 0 |
| 76aaa13d SL |
35 | |
| 36 | lmg %r6,%r7,48(%r15) /* Load registers. */ | |
| 847b055c | 37 | |
| ffeac417 UD |
38 | lghi %r0,-4095 |
| 39 | clgr %r2,%r0 /* Check R2 for error. */ | |
| e6ebd2e4 | 40 | jgnl SYSCALL_ERROR_LABEL |
| ffeac417 | 41 | br %r14 /* Return to caller. */ |
| 847b055c | 42 | PSEUDO_END (syscall) |