projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d4697bc9 | 1 | /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| 7eff6090 UD |
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 | |
| 3214b89b 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. | |
| 7eff6090 UD |
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 | |
| 3214b89b | 12 | Lesser General Public License for more details. |
| 7eff6090 | 13 | |
| 3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
| 7eff6090 UD |
17 | |
| 18 | #include <sysdep.h> | |
| 19 | #define _ERRNO_H | |
| 0fe3c9c4 | 20 | #include <bits/errno.h> |
| 7eff6090 | 21 | |
| 02a9f771 DJ |
22 | #ifdef IS_IN_rtld |
| 23 | # include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */ | |
| 24 | #endif | |
| 25 | ||
| 26 | #include <tls.h> | |
| 7eff6090 | 27 | |
| 7eff6090 | 28 | #undef syscall_error |
| 7eff6090 | 29 | __syscall_error: |
| 7eff6090 UD |
30 | #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN |
| 31 | /* We translate the system's EWOULDBLOCK error into EAGAIN. | |
| 32 | The GNU C library always defines EWOULDBLOCK==EAGAIN. | |
| 33 | EWOULDBLOCK_sys is the original number. */ | |
| 6ccd0107 RH |
34 | cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */ |
| 35 | it eq | |
| 36 | moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */ | |
| 7eff6090 | 37 | #endif |
| 3500923d | 38 | |
| 6dcecc64 | 39 | #ifndef IS_IN_rtld |
| 5232b909 RH |
40 | mov r1, r0 |
| 41 | GET_TLS (r2) | |
| cd24e113 RH |
42 | ldr r2, 1f |
| 43 | #ifdef __thumb__ | |
| 44 | 2: add r2, r2, pc | |
| 45 | ldr r2, [r2] | |
| 46 | #else | |
| 47 | 2: ldr r2, [pc, r2] | |
| 48 | #endif | |
| 49 | str r1, [r0, r2] | |
| 50 | mvn r0, #0 | |
| 5232b909 | 51 | DO_RET(lr) |
| 02a9f771 | 52 | |
| 783a65c2 | 53 | 1: .word errno(gottpoff) + (. - 2b - PC_OFS) |
| 6dcecc64 | 54 | #elif RTLD_PRIVATE_ERRNO |
| cd24e113 RH |
55 | LDST_PCREL(str, r0, r1, C_SYMBOL_NAME(rtld_errno)) |
| 56 | mvn r0, #0 | |
| 6dcecc64 | 57 | DO_RET(r14) |
| 6dcecc64 JM |
58 | #else |
| 59 | #error "Unsupported non-TLS case" | |
| 60 | #endif | |
| 3500923d | 61 | |
| 7eff6090 UD |
62 | #undef __syscall_error |
| 63 | END (__syscall_error) |