| /* Copyright (C) 1999-2018 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> |
| |
| ENTRY(__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. */ |
| mov.l .L1, r1 |
| cmp/eq r1, r0 |
| bf skip |
| nop |
| mov.l .L2, r0 |
| skip: |
| #endif |
| /* Store it in errno... */ |
| #ifndef SHARED |
| #ifndef _LIBC_REENTRANT |
| mov.l .L3, r1 |
| mov.l r0, @r1 |
| #else |
| mov.l .L3, r1 |
| sts.l pr, @-r15 |
| cfi_adjust_cfa_offset (4) |
| cfi_rel_offset (pr, 0) |
| mov.l r0, @-r15 |
| cfi_adjust_cfa_offset (4) |
| jsr @r1 |
| nop |
| mov.l @r15+, r1 |
| cfi_adjust_cfa_offset (-4) |
| lds.l @r15+, pr |
| cfi_adjust_cfa_offset (-4) |
| cfi_restore (pr) |
| mov.l r1, @r0 |
| #endif |
| #else |
| mov.l r12, @-r15 |
| cfi_adjust_cfa_offset (4) |
| cfi_rel_offset (r12, 0) |
| #ifndef _LIBC_REENTRANT |
| mov r0, r2 |
| mov.l 0f, r12 |
| mova 0f, r0 |
| add r0, r12 |
| mov.l .L3, r0 |
| mov.l @(r0,r12), r1 |
| mov.l r2, @r1 |
| #else |
| mov.l r0, @-r15 |
| cfi_adjust_cfa_offset (4) |
| sts.l pr, @-r15 |
| cfi_adjust_cfa_offset (4) |
| cfi_rel_offset (pr, 0) |
| mov.l 0f, r12 |
| mova 0f, r0 |
| add r0, r12 |
| mov.l .L3, r1 |
| mova .L3, r0 |
| add r0, r1 |
| jsr @r1 |
| nop |
| lds.l @r15+, pr |
| cfi_adjust_cfa_offset (-4) |
| cfi_restore (pr) |
| mov.l @r15+, r1 |
| cfi_adjust_cfa_offset (-4) |
| mov.l r1, @r0 |
| #endif |
| mov.l @r15+, r12 |
| cfi_adjust_cfa_offset (-4) |
| cfi_restore (r12) |
| #endif |
| /* And just kick back a -1. */ |
| rts |
| mov #-1, r0 |
| |
| .align 2 |
| #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN |
| .L1: .long EWOULDBLOCK_sys |
| .L2: .long EAGAIN |
| #endif |
| #ifndef SHARED |
| #ifndef _LIBC_REENTRANT |
| .L3: .long C_SYMBOL_NAME(errno) |
| #else |
| .L3: .long C_SYMBOL_NAME(__errno_location) |
| #endif |
| #else |
| 0: |
| .long _GLOBAL_OFFSET_TABLE_ |
| #ifndef _LIBC_REENTRANT |
| .L3: .long C_SYMBOL_NAME(errno@GOT) |
| #else |
| .L3: .long C_SYMBOL_NAME(__errno_location@PLT) |
| #endif |
| #endif |
| END(__syscall_error) |