diff options
Diffstat (limited to 'sysdeps/gnu/errlist-compat.awk')
| -rw-r--r-- | sysdeps/gnu/errlist-compat.awk | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/sysdeps/gnu/errlist-compat.awk b/sysdeps/gnu/errlist-compat.awk deleted file mode 100644 index 7e2c33e89b..0000000000 --- a/sysdeps/gnu/errlist-compat.awk +++ /dev/null @@ -1,133 +0,0 @@ -# awk script to generate errlist-compat.c -# Copyright (C) 2002-2017 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/>. - -# -# This script takes the Versions file as input and looks for #errlist-compat -# magic comments, which have the form: -# #errlist-compat NNN -# where NNN is the number of elements in the sys_errlist for that version set. -# We need the awk variable `maxerr' defined to the current size of sys_errlist. -# -# If there is no magic comment matching the current size, we barf. -# Otherwise we generate code (errlist-compat.c) to define all the -# necessary compatibility symbols for older, smaller versions of sys_errlist. -# - -# These two rules catch the Versions file contents. -NF == 2 && $2 == "{" { last_version = $1; next } -$1 == "#errlist-compat" { - # Don't process any further Versions files - ARGC = ARGIND + 1; - cnt = $2 + 0; - if (cnt < 80) { - print "*** this line seems bogus:", $0 > "/dev/stderr"; - exit 1; - } - version[pos + 0] = cnt SUBSEP last_version; - pos++; - if (cnt < highest) { - printf "*** %s #errlist-compat counts are not sorted\n", ARGV[ARGIND]; - exit 1; - } - if (cnt > highest) - highest = cnt; - highest_version = last_version; - next; -} - -END { - if (! highest_version) { - print "/* No sys_errlist/sys_nerr symbols defined on this platform. */"; - exit 0; - } - - count = maxerr + 1; - - if (highest < count) { - printf "*** errlist.c count %d vs Versions sys_errlist@%s count %d\n", \ - count, highest_version, highest > "/dev/stderr"; - exit 1; - } - - lastv = ""; - for (n = 0; n < pos; ++n) { - split(version[n], t, SUBSEP) - v = t[2]; - gsub(/[^A-Z0-9_]/, "_", v); - if (lastv != "") - compat[lastv] = v; - lastv = v; - vcount[v] = t[1]; - } - - print "/* This file was generated by errlist-compat.awk; DO NOT EDIT! */\n"; - print "#include <shlib-compat.h>\n"; - - if (highest > count) { - printf "*** errlist.c count %d inflated to %s count %d (old errno.h?)\n", \ - count, highest_version, highest > "/dev/stderr"; - printf "#define ERR_MAX %d\n\n", highest - 1; - } - - # same regardless of awk's ordering of the associative array. - num_compat_elems = asorti(compat, compat_indices) - for (i = 1; i <= num_compat_elems; i++) { - old = compat_indices[i] - new = compat[old]; - n = vcount[old]; - printf "#if SHLIB_COMPAT (libc, %s, %s)\n", old, new; - printf "# include <bits/wordsize.h>\n"; - printf "extern const char *const __sys_errlist_%s[NERR];\n", old; - printf "const int __sys_nerr_%s = %d;\n", old, n; - printf "declare_symbol_alias (__sys_errlist_%s, _sys_errlist_internal,", \ - old; - printf " object, __WORDSIZE/8*%d)\n", n; - printf "compat_symbol (libc, __sys_errlist_%s, sys_errlist, %s);\n", \ - old, old; - printf "compat_symbol (libc, __sys_nerr_%s, sys_nerr, %s);\n", old, old; - - printf "extern const char *const ___sys_errlist_%s[NERR];\n", old; - printf "extern const int __sys_nerr_%s;\n", old; - printf "declare_symbol_alias (___sys_errlist_%s, _sys_errlist_internal,", \ - old; - printf " object, __WORDSIZE/8*%d)\n", n; - printf "strong_alias (__sys_nerr_%s, ___sys_nerr_%s)\n", old, old; - printf "compat_symbol (libc, ___sys_errlist_%s, _sys_errlist, %s);\n", \ - old, old; - printf "compat_symbol (libc, ___sys_nerr_%s, _sys_nerr, %s);\n", old, old; - printf "#endif\n\n"; - } - - printf "\ -extern const char *const __sys_errlist_internal[NERR];\n\ -extern const int __sys_nerr_internal;\n\ -strong_alias (_sys_errlist_internal, __sys_errlist_internal)\n\ -strong_alias (_sys_nerr_internal, __sys_nerr_internal)\n\ -extern const char *const sys_errlist[NERR];\n\ -versioned_symbol (libc, _sys_errlist_internal, sys_errlist, %s);\n\ -versioned_symbol (libc, __sys_errlist_internal, _sys_errlist, %s);\n\ -versioned_symbol (libc, _sys_nerr_internal, sys_nerr, %s);\n\ -versioned_symbol (libc, __sys_nerr_internal, _sys_nerr, %s);\n", \ - lastv, lastv, lastv, lastv; - - print "\n\ -link_warning (sys_errlist, \"\ -`sys_errlist' is deprecated; use `strerror' or `strerror_r' instead\")\n\ -link_warning (sys_nerr, \"\ -`sys_nerr' is deprecated; use `strerror' or `strerror_r' instead\")"; -} |