2004-06-18 03:59:45 +02:00
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# Copyright (C) 2003,2004 Free Software Foundation, Inc.
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# Contributed by Kelley Cook, June 2004.
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# Original code from Neil Booth, May 2003.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2, or (at your option) any
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# later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# This Awk script reads in the option records generated from
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# opt-gather.awk, combines the flags of duplicat options and generates a
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# C file.
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#
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# This program uses functions from opt-functions.awk
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#
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# Usage: awk -f opt-functions.awk -f optc-gen.awk \
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# [-v header_name=header.h] < inputfile > options.c
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BEGIN {
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n_opts = 0
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n_langs = 0
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quote = "\042"
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comma = ","
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FS=SUBSEP
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# Default the name of header created from opth-gen.awk to options.h
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if (header_name == "") header_name="options.h"
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}
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# Collect the text and flags of each option into an array
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{
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if ($1 == "Language") {
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langs[n_langs] = $2
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n_langs++;
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}
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else {
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optc-gen.awk: Handle stand-alone Mask records.
* optc-gen.awk: Handle stand-alone Mask records.
* opth-gen.awk: Likewise.
* doc/options.texi (Option file format): Document them.
* config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
(sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
* config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
(TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
TARGET_LONG_DOUBLE_128): Likewise.
(TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
(TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
* config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
* config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
* config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
* config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
* config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
* config/sparc/sparc.c (fpu_option_set): New global.
(sparc_handle_option): New function.
(sparc_override_options): Test fpu_option_set.
(TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
(TARGET_HANDLE_OPTION): Set to sparc_handle_option.
* config/sparc/sparc.opt: New file.
* config/sparc/little-endian.opt: Likewise.
* config/sparc/long-double-switch.opt: Likewise.
From-SVN: r98078
2005-04-13 10:47:23 +02:00
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name = opt_args("Mask", $1)
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if (name == "") {
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opts[n_opts] = $1
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flags[n_opts] = $2
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help[n_opts] = $3
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n_opts++;
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}
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2004-06-18 03:59:45 +02:00
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}
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}
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# Dump that array of options into a C file.
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END {
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print "/* This file is auto-generated by opts.sh. */"
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print ""
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print "#include <intl.h>"
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2005-05-16 14:30:06 +02:00
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n_headers = split(header_name, headers, " ")
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for (i = 1; i <= n_headers; i++)
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print "#include " quote headers[i] quote
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2004-06-18 03:59:45 +02:00
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print "#include " quote "opts.h" quote
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print ""
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for (i = 0; i < n_opts; i++) {
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name = var_name(flags[i]);
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if (name == "")
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continue;
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2005-03-30 08:24:35 +02:00
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if (flag_set_p("VarExists", flags[i]))
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2004-06-18 03:59:45 +02:00
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continue;
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2005-03-30 08:24:35 +02:00
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init = opt_args("Init", flags[i])
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if (init != "")
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init = " = " init;
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2005-04-28 22:52:12 +02:00
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else if (name in var_seen)
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continue;
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2005-03-30 08:24:35 +02:00
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printf ("/* Set by -%s.\n %s */\nint %s%s;\n\n",
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2004-06-18 03:59:45 +02:00
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opts[i], help[i], name,init)
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2005-04-28 22:52:12 +02:00
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var_seen[name] = 1;
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2005-03-30 08:24:35 +02:00
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}
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2004-06-18 03:59:45 +02:00
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print "const char * const lang_names[] =\n{"
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for (i = 0; i < n_langs; i++) {
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macros[i] = "CL_" langs[i]
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gsub( "[^A-Za-z0-9_]", "X", macros[i] )
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s = substr(" ", length (macros[i]))
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print " " quote langs[i] quote ","
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}
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print " 0\n};\n"
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print "const unsigned int cl_options_count = N_OPTS;\n"
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print "const struct cl_option cl_options[] =\n{"
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for (i = 0; i < n_opts; i++)
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back_chain[i] = "N_OPTS";
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2005-05-15 10:10:10 +02:00
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for (i = 0; i < n_opts; i++) {
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# Combine the flags of identical switches. Switches
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# appear many times if they are handled by many front
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# ends, for example.
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while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
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flags[i + 1] = flags[i] " " flags[i + 1];
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i++;
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}
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2004-06-18 03:59:45 +02:00
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2005-05-15 10:10:10 +02:00
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len = length (opts[i]);
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enum = "OPT_" opts[i]
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if (opts[i] == "finline-limit=")
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enum = enum "eq"
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gsub ("[^A-Za-z0-9]", "_", enum)
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# If this switch takes joined arguments, back-chain all
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# subsequent switches to it for which it is a prefix. If
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# a later switch S is a longer prefix of a switch T, T
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# will be back-chained to S in a later iteration of this
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# for() loop, which is what we want.
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if (flag_set_p("Joined.*", flags[i])) {
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for (j = i + 1; j < n_opts; j++) {
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if (substr (opts[j], 1, len) != opts[i])
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break;
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back_chain[j] = enum;
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2004-06-18 03:59:45 +02:00
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}
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2005-05-15 10:10:10 +02:00
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}
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2004-06-18 03:59:45 +02:00
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2005-05-15 10:10:10 +02:00
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s = substr(" ", length (opts[i]))
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if (i + 1 == n_opts)
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comma = ""
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2004-06-18 03:59:45 +02:00
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2005-05-15 10:10:10 +02:00
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if (help[i] == "")
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hlp = "0"
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else
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hlp = quote help[i] quote;
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2004-06-18 03:59:45 +02:00
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2005-05-16 14:30:06 +02:00
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printf(" { %c-%s%c,\n %s,\n %s, %u,\n",
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quote, opts[i], quote, hlp, back_chain[i], len)
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condition = opt_args("Condition", flags[i])
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cl_flags = switch_flags(flags[i])
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if (condition != "")
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printf("#if %s\n" \
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" %s,\n" \
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"#else\n" \
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" CL_DISABLED,\n" \
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"#endif\n",
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condition, cl_flags, cl_flags)
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else
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printf(" %s,\n", cl_flags)
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printf(" %s, %s }%s\n", var_ref(flags[i]), var_set(flags[i]), comma)
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2004-06-18 03:59:45 +02:00
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}
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print "};"
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}
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