projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 2b778ceb | 1 | /* Copyright (C) 2000-2021 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 |
| 5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
| 847b055c AJ |
17 | |
| 18 | #include <sysdep.h> | |
| f8ea3acb | 19 | #include <tls.h> |
| 847b055c | 20 | |
| 847b055c AJ |
21 | /* The following code is only used in the shared library when we |
| 22 | compile the reentrant version. Otherwise each system call defines | |
| 23 | each own version. */ | |
| 24 | ||
| 25 | /* The syscall stubs jump here when they detect an error. */ | |
| 26 | ||
| 27 | #undef CALL_MCOUNT | |
| 28 | #define CALL_MCOUNT | |
| 29 | ||
| 30 | .text | |
| 31 | ENTRY(__syscall_error) | |
| 32 | #ifndef PIC | |
| 4f41c682 | 33 | # if IS_IN (libc) |
| d063d164 UD |
34 | # define SYSCALL_ERROR_ERRNO __libc_errno |
| 35 | # else | |
| 36 | # define SYSCALL_ERROR_ERRNO errno | |
| 37 | # endif | |
| e6ebd2e4 UD |
38 | basr %r1,0 |
| 39 | 0: l %r1,1f-0b(%r1) | |
| 40 | ear %r3,%a0 | |
| 41 | lcr %r2,%r2 | |
| 42 | st %r2,0(%r1,%r3) | |
| 43 | lhi %r2,-1 | |
| 44 | br %r14 | |
| 45 | 1: .long SYSCALL_ERROR_ERRNO@ntpoff | |
| 847b055c | 46 | #else |
| e6ebd2e4 UD |
47 | # if RTLD_PRIVATE_ERRNO |
| 48 | basr %r1,0 | |
| 49 | 0: al %r1,1f-0b(%r1) | |
| 50 | lcr %r2,%r2 | |
| 51 | st %r2,0(%r1) | |
| 52 | lhi %r2,-1 | |
| 53 | br %r14 | |
| 96c82b3f | 54 | 1: .long rtld_errno - 0b |
| d063d164 | 55 | # else |
| 4f41c682 | 56 | # if IS_IN (libc) |
| e6ebd2e4 UD |
57 | # define SYSCALL_ERROR_ERRNO __libc_errno |
| 58 | # else | |
| 59 | # define SYSCALL_ERROR_ERRNO errno | |
| 60 | # endif | |
| 61 | basr %r1,0 | |
| 62 | 0: al %r1,1f-0b(%r1) | |
| 63 | ear %r3,%a0 | |
| 64 | l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1) | |
| 65 | lcr %r2,%r2 | |
| 66 | st %r2,0(%r1,%r3) | |
| 67 | lhi %r2,-1 | |
| 68 | br %r14 | |
| 69 | 1: .long _GLOBAL_OFFSET_TABLE_-0b | |
| e6ebd2e4 | 70 | # endif |
| 847b055c AJ |
71 | #endif |
| 72 | ||
| 73 | END (__syscall_error) |