powerpc: remove _dl_platform_string and _dl_powerpc_platforms
[glibc.git] / sysdeps / gnu / errlist.awk
blob19bd676a9093f8d5d1013aba55d155e93294b7d3
1 # Copyright (C) 1991-2016 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
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.
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.
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/>.
18 # errno.texi contains lines like:
19 # @comment errno.h
20 # @comment POSIX.1: Function not implemented
21 # @deftypevr Macro int ENOSYS
22 # @comment errno 78
23 # Descriptive paragraph...
24 # @end deftypevr
26 BEGIN {
28 # Here we list the E* names that might be duplicate names for the
29 # same integer value on some systems. This causes the code below
30 # to generate ``#if defined (ALIAS) && ALIAS != ORIGINAL'' in the code,
31 # so the output does not presume that these are in fact aliases.
32 # We list here all the known potential cases on any system,
33 # so that the C source we produce will do the right thing based
34 # on the actual #define'd values it's compiled with.
35 alias["EWOULDBLOCK"]= "EAGAIN";
36 alias["EDEADLOCK"] = "EDEADLK";
37 alias["ENOTSUP"] = "EOPNOTSUPP";
39 print "/* This file is generated from errno.texi by errlist.awk. */"
40 print "";
41 print "#include <errno.h>";
42 print "#include <libintl.h>";
43 print "";
44 print "#ifndef ERR_REMAP";
45 print "# define ERR_REMAP(n) n";
46 print "#endif";
47 print "";
49 print "#if !defined EMIT_ERR_MAX && !defined ERRLIST_NO_COMPAT";
50 print "# include <errlist-compat.h>";
51 print "#endif";
52 print "#ifdef ERR_MAX";
53 print "# define ERRLIST_SIZE ERR_MAX + 1";
54 print "#else"
55 print "# define ERR_MAX 0";
56 print "# define ERRLIST_SIZE";
57 print "#endif";
59 print "const char *const _sys_errlist_internal[ERRLIST_SIZE] =";
60 print " {";
61 print " [0] = N_(\"Success\"),"
64 $1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
65 errnoh == 1 && $1 == "@comment" \
67 ++errnoh;
68 etext = $3;
69 for (i = 4; i <= NF; ++i)
70 etext = etext " " $i;
71 next;
73 errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \
75 e = $4; errnoh++; next;
77 errnoh == 3 && $1 == "@comment" && $2 == "errno" \
79 errno = $3 + 0;
80 if (alias[e])
81 printf "#if defined (%s) && %s != %s\n", e, e, alias[e];
82 else
83 printf "#ifdef %s\n", e;
84 errnoh = 4;
85 desc="";
86 next;
88 errnoh == 4 && $1 == "@end" && $2 == "deftypevr" \
90 printf "/*%s */\n", desc;
91 printf " [ERR_REMAP (%s)] = N_(\"%s\"),\n", e, etext;
92 printf "# if %s > ERR_MAX\n", e;
93 print "# undef ERR_MAX";
94 printf "# define ERR_MAX %s\n", e;
95 print "# endif";
96 print "#endif";
97 errnoh = 0;
98 next;
100 errnoh == 4 \
102 # This magic tag in C comments gets them copied into libc.pot.
103 desc = desc "\nTRANS" ($0 != "" ? " " : "") $0; next
105 { errnoh=0 }
106 END {
107 print " };";
108 print "";
109 print "#define NERR \\";
110 print " (sizeof _sys_errlist_internal / sizeof _sys_errlist_internal [0])";
111 print "const int _sys_nerr_internal = NERR;"
112 print "";
113 print "#if IS_IN (libc) && !defined ERRLIST_NO_COMPAT";
114 print "# include <errlist-compat.c>";
115 print "#endif";
116 print "";
117 print "#ifdef EMIT_ERR_MAX";
118 print "void dummy (void)"
119 print "{ asm volatile (\" @@@ %0 @@@ \" : : \"i\" (ERR_REMAP (ERR_MAX))); }"
120 print "#endif";