| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| 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 |
| 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. |
| 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 |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <sysdep.h> |
| 19 | #define _ERRNO_H |
| 20 | #include <bits/errno.h> |
| 21 | |
| 22 | ENTRY(__syscall_error) |
| 23 | #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN |
| 24 | /* We translate the system's EWOULDBLOCK error into EAGAIN. |
| 25 | The GNU C library always defines EWOULDBLOCK==EAGAIN. |
| 26 | EWOULDBLOCK_sys is the original number. */ |
| 27 | mov.l .L1, r1 |
| 28 | cmp/eq r1, r0 |
| 29 | bf skip |
| 30 | nop |
| 31 | mov.l .L2, r0 |
| 32 | skip: |
| 33 | #endif |
| 34 | /* Store it in errno... */ |
| 35 | #ifndef SHARED |
| 36 | #ifndef _LIBC_REENTRANT |
| 37 | mov.l .L3, r1 |
| 38 | mov.l r0, @r1 |
| 39 | #else |
| 40 | mov.l .L3, r1 |
| 41 | sts.l pr, @-r15 |
| 42 | cfi_adjust_cfa_offset (4) |
| 43 | cfi_rel_offset (pr, 0) |
| 44 | mov.l r0, @-r15 |
| 45 | cfi_adjust_cfa_offset (4) |
| 46 | jsr @r1 |
| 47 | nop |
| 48 | mov.l @r15+, r1 |
| 49 | cfi_adjust_cfa_offset (-4) |
| 50 | lds.l @r15+, pr |
| 51 | cfi_adjust_cfa_offset (-4) |
| 52 | cfi_restore (pr) |
| 53 | mov.l r1, @r0 |
| 54 | #endif |
| 55 | #else |
| 56 | mov.l r12, @-r15 |
| 57 | cfi_adjust_cfa_offset (4) |
| 58 | cfi_rel_offset (r12, 0) |
| 59 | #ifndef _LIBC_REENTRANT |
| 60 | mov r0, r2 |
| 61 | mov.l 0f, r12 |
| 62 | mova 0f, r0 |
| 63 | add r0, r12 |
| 64 | mov.l .L3, r0 |
| 65 | mov.l @(r0,r12), r1 |
| 66 | mov.l r2, @r1 |
| 67 | #else |
| 68 | mov.l r0, @-r15 |
| 69 | cfi_adjust_cfa_offset (4) |
| 70 | sts.l pr, @-r15 |
| 71 | cfi_adjust_cfa_offset (4) |
| 72 | cfi_rel_offset (pr, 0) |
| 73 | mov.l 0f, r12 |
| 74 | mova 0f, r0 |
| 75 | add r0, r12 |
| 76 | mov.l .L3, r1 |
| 77 | mova .L3, r0 |
| 78 | add r0, r1 |
| 79 | jsr @r1 |
| 80 | nop |
| 81 | lds.l @r15+, pr |
| 82 | cfi_adjust_cfa_offset (-4) |
| 83 | cfi_restore (pr) |
| 84 | mov.l @r15+, r1 |
| 85 | cfi_adjust_cfa_offset (-4) |
| 86 | mov.l r1, @r0 |
| 87 | #endif |
| 88 | mov.l @r15+, r12 |
| 89 | cfi_adjust_cfa_offset (-4) |
| 90 | cfi_restore (r12) |
| 91 | #endif |
| 92 | /* And just kick back a -1. */ |
| 93 | rts |
| 94 | mov #-1, r0 |
| 95 | |
| 96 | .align 2 |
| 97 | #if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN |
| 98 | .L1: .long EWOULDBLOCK_sys |
| 99 | .L2: .long EAGAIN |
| 100 | #endif |
| 101 | #ifndef SHARED |
| 102 | #ifndef _LIBC_REENTRANT |
| 103 | .L3: .long C_SYMBOL_NAME(errno) |
| 104 | #else |
| 105 | .L3: .long C_SYMBOL_NAME(__errno_location) |
| 106 | #endif |
| 107 | #else |
| 108 | 0: |
| 109 | .long _GLOBAL_OFFSET_TABLE_ |
| 110 | #ifndef _LIBC_REENTRANT |
| 111 | .L3: .long C_SYMBOL_NAME(errno@GOT) |
| 112 | #else |
| 113 | .L3: .long C_SYMBOL_NAME(__errno_location@PLT) |
| 114 | #endif |
| 115 | #endif |
| 116 | END(__syscall_error) |