| /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| #define _ERRNO_H |
| #include <bits/errno.h> |
| |
| #ifdef IS_IN_rtld |
| # include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */ |
| #endif |
| |
| #include <tls.h> |
| |
| #undef syscall_error |
| __syscall_error: |
| #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN |
| /* We translate the system's EWOULDBLOCK error into EAGAIN. |
| The GNU C library always defines EWOULDBLOCK==EAGAIN. |
| EWOULDBLOCK_sys is the original number. */ |
| cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */ |
| it eq |
| moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */ |
| #endif |
| |
| #ifndef IS_IN_rtld |
| mov r1, r0 |
| GET_TLS (r2) |
| ldr r2, 1f |
| #ifdef __thumb__ |
| 2: add r2, r2, pc |
| ldr r2, [r2] |
| #else |
| 2: ldr r2, [pc, r2] |
| #endif |
| str r1, [r0, r2] |
| mvn r0, #0 |
| DO_RET(lr) |
| |
| 1: .word errno(gottpoff) + (. - 2b - PC_OFS) |
| #elif RTLD_PRIVATE_ERRNO |
| LDST_PCREL(str, r0, r1, C_SYMBOL_NAME(rtld_errno)) |
| mvn r0, #0 |
| DO_RET(r14) |
| #else |
| #error "Unsupported non-TLS case" |
| #endif |
| |
| #undef __syscall_error |
| END (__syscall_error) |
