| 1 | /* Linux sys_errlist compatibility macro definitions. |
|---|
| 2 | Copyright (C) 2020-2024 Free Software Foundation, Inc. |
|---|
| 3 | This file is part of the GNU C Library. |
|---|
| 4 | |
|---|
| 5 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 6 | modify it under the terms of the GNU Lesser General Public |
|---|
| 7 | License as published by the Free Software Foundation; either |
|---|
| 8 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 9 | |
|---|
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 13 | Lesser General Public License for more details. |
|---|
| 14 | |
|---|
| 15 | You should have received a copy of the GNU Lesser General Public |
|---|
| 16 | License along with the GNU C Library; if not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #ifndef _ERRLIST_COMPAT_H |
|---|
| 20 | #define _ERRLIST_COMPAT_H |
|---|
| 21 | |
|---|
| 22 | #include <shlib-compat.h> |
|---|
| 23 | #include <limits.h> |
|---|
| 24 | |
|---|
| 25 | /* Define new compat symbols for symbols _sys_errlist, sys_errlist, |
|---|
| 26 | _sys_nerr, and sys_nerr for version VERSION with NUMBERERR times number of |
|---|
| 27 | bytes per long int size. |
|---|
| 28 | Both _sys_errlist and sys_errlist alias to _sys_errlist_internal symbol |
|---|
| 29 | (defined on errlist.c) while _sys_nerr and sys_nerr created new variable |
|---|
| 30 | with the expected size. */ |
|---|
| 31 | #ifdef __ASSEMBLER__ |
|---|
| 32 | # define DEFINE_COMPAT_ERRLIST(NUMBERERR, VERSION) \ |
|---|
| 33 | declare_object_symbol_alias (__ ## VERSION ## _sys_errlist, \ |
|---|
| 34 | _sys_errlist_internal, \ |
|---|
| 35 | NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH)) \ |
|---|
| 36 | ASM_LINE_SEP \ |
|---|
| 37 | declare_object_symbol_alias (__ ## VERSION ## __sys_errlist, \ |
|---|
| 38 | _sys_errlist_internal, \ |
|---|
| 39 | NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH)) \ |
|---|
| 40 | ASM_LINE_SEP \ |
|---|
| 41 | compat_symbol (libc, __## VERSION ## _sys_errlist, sys_errlist, VERSION) \ |
|---|
| 42 | ASM_LINE_SEP \ |
|---|
| 43 | compat_symbol (libc, __## VERSION ## __sys_errlist, _sys_errlist, VERSION) |
|---|
| 44 | #else |
|---|
| 45 | # define DEFINE_COMPAT_ERRLIST(NUMBERERR, VERSION) \ |
|---|
| 46 | const int __##VERSION##_sys_nerr = NUMBERERR; \ |
|---|
| 47 | strong_alias (__##VERSION##_sys_nerr, __##VERSION##__sys_nerr); \ |
|---|
| 48 | compat_symbol (libc, __## VERSION ## _sys_nerr, sys_nerr, VERSION); \ |
|---|
| 49 | compat_symbol (libc, __## VERSION ## __sys_nerr, _sys_nerr, VERSION); |
|---|
| 50 | #endif |
|---|
| 51 | |
|---|
| 52 | #endif |
|---|
| 53 | |
|---|
