X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Foptc-gen.awk;h=e28c397f48a9a3614d58a172c34b21d855c7d0f6;hp=4c4eef7a8a2f3b8968ac34e5434a7158a5a28fa4;hb=9d6f975807ff20c6d426b452e15a684d0815122c;hpb=6ce616dfaba3040a3ad6e42628c331f8d79c121b

diff --git a/gcc/optc-gen.awk b/gcc/optc-gen.awk
index 4c4eef7a8a2..e28c397f48a 100644
--- a/gcc/optc-gen.awk
+++ b/gcc/optc-gen.awk
@@ -1,10 +1,11 @@
-#  Copyright (C) 2003,2004 Free Software Foundation, Inc.
+#  Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
+#  Free Software Foundation, Inc.
 #  Contributed by Kelley Cook, June 2004.
 #  Original code from Neil Booth, May 2003.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by the
-# Free Software Foundation; either version 2, or (at your option) any
+# Free Software Foundation; either version 3, or (at your option) any
 # later version.
 # 
 # This program is distributed in the hope that it will be useful,
@@ -13,107 +14,200 @@
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# along with this program; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
 
 # This Awk script reads in the option records generated from 
-# opt-gather.awk, combines the flags of duplicat options and generates a
+# opt-gather.awk, combines the flags of duplicate options and generates a
 # C file.
 #
-# This program uses functions from opt-functions.awk
+
+# This program uses functions from opt-functions.awk and code from
+# opt-read.awk.
 #
-# Usage: awk -f opt-functions.awk -f optc-gen.awk \
+# Usage: awk -f opt-functions.awk -f opt-read.awk -f optc-gen.awk \
 #            [-v header_name=header.h] < inputfile > options.c
 
-BEGIN {
-	n_opts = 0
-	n_langs = 0
-        quote = "\042"
-	comma = ","
-	FS=SUBSEP
-	# Default the name of header created from opth-gen.awk to options.h
-	if (header_name == "") header_name="options.h"
-}
-
-# Collect the text and flags of each option into an array
-	{
-		if ($1 == "Language") {
-			langs[n_langs] = $2
-			n_langs++;
-		}
-		else {
-			name = opt_args("Mask", $1)
-			if (name == "") {
-				opts[n_opts]  = $1
-				flags[n_opts] = $2
-				help[n_opts]  = $3
-				n_opts++;
-			}
-		}
-	}
-
 # Dump that array of options into a C file.
 END {
-print "/* This file is auto-generated by opts.sh.  */"
+print "/* This file is auto-generated by optc-gen.awk.  */"
 print ""
 n_headers = split(header_name, headers, " ")
 for (i = 1; i <= n_headers; i++)
 	print "#include " quote headers[i] quote
 print "#include " quote "opts.h" quote
 print "#include " quote "intl.h" quote
+print "#include " quote "insn-attr-common.h" quote
+print ""
+
+if (n_extra_c_includes > 0) {
+	for (i = 0; i < n_extra_c_includes; i++) {
+		print "#include " quote extra_c_includes[i] quote
+	}
+	print ""
+}
+
+for (i = 0; i < n_enums; i++) {
+	name = enum_names[i]
+	type = enum_type[name]
+	print "static const struct cl_enum_arg cl_enum_" name \
+	    "_data[] = "
+	print "{"
+	print enum_data[name] "  { NULL, 0, 0 }"
+	print "};"
+	print ""
+	print "static void"
+	print "cl_enum_" name "_set (void *var, int value)"
+	print "{"
+	print "  *((" type " *) var) = (" type ") value;"
+	print "}"
+	print ""
+	print "static int"
+	print "cl_enum_" name "_get (const void *var)"
+	print "{"
+	print "  return (int) *((const " type " *) var);"
+	print "}"
+	print ""
+}
+
+print "const struct cl_enum cl_enums[] ="
+print "{"
+for (i = 0; i < n_enums; i++) {
+	name = enum_names[i]
+	ehelp = enum_help[name]
+	if (ehelp == "")
+		ehelp = "NULL"
+	else
+		ehelp = quote ehelp quote
+	unknown_error = enum_unknown_error[name]
+	if (unknown_error == "")
+		unknown_error = "NULL"
+	else
+		unknown_error = quote unknown_error quote
+	print "  {"
+	print "    " ehelp ","
+	print "    " unknown_error ","
+	print "    cl_enum_" name "_data,"
+	print "    sizeof (" enum_type[name] "),"
+	print "    cl_enum_" name "_set,"
+	print "    cl_enum_" name "_get"
+	print "  },"
+}
+print "};"
+print "const unsigned int cl_enums_count = " n_enums ";"
 print ""
 
+print "const struct gcc_options global_options_init =\n{"
+for (i = 0; i < n_extra_vars; i++) {
+	var = extra_vars[i]
+	init = extra_vars[i]
+	if (var ~ "=" ) {
+		sub(".*= *", "", init)
+	} else {
+		init = "0"
+	}
+	sub(" *=.*", "", var)
+	name = var
+	sub("^.*[ *]", "", name)
+	sub("\\[.*\\]$", "", name)
+	var_seen[name] = 1
+	print "  " init ", /* " name " */"
+}
 for (i = 0; i < n_opts; i++) {
 	name = var_name(flags[i]);
 	if (name == "")
 		continue;
 
-	if (flag_set_p("VarExists", flags[i]))
+	init = opt_args("Init", flags[i])
+	if (init != "") {
+		if (name in var_init && var_init[name] != init)
+			print "#error multiple initializers for " name
+		var_init[name] = init
+	}
+}
+for (i = 0; i < n_opts; i++) {
+	name = var_name(flags[i]);
+	if (name == "")
 		continue;
 
-	init = opt_args("Init", flags[i])
-	if (init != "")
-		init = " = " init;
-	else if (name in var_seen)
+	if (name in var_seen)
 		continue;
 
-	printf ("/* Set by -%s.\n   %s  */\nint %s%s;\n\n",
-	    opts[i], help[i], name,init)
+	if (name in var_init)
+		init = var_init[name]
+	else
+		init = "0"
+
+	print "  " init ", /* " name " */"
 
 	var_seen[name] = 1;
 }
-
+for (i = 0; i < n_opts; i++) {
+	name = static_var(opts[i], flags[i]);
+	if (name != "") {
+		print "  0, /* " name " (private state) */"
+		print "#undef x_" name
+	}
+}
+for (i = 0; i < n_opts; i++) {
+	if (flag_set_p("SetByCombined", flags[i]))
+		print "  false, /* frontend_set_" var_name(flags[i]) " */"
+}
+print "};"
+print ""
+print "struct gcc_options global_options;"
+print "struct gcc_options global_options_set;"
+print ""
 
 print "const char * const lang_names[] =\n{"
 for (i = 0; i < n_langs; i++) {
 	macros[i] = "CL_" langs[i]
-	gsub( "[^A-Za-z0-9_]", "X", macros[i] )
+	gsub( "[^" alnum "_]", "X", macros[i] )
 	s = substr("         ", length (macros[i]))
 	print "  " quote langs[i] quote ","
     }
 
 print "  0\n};\n"
 print "const unsigned int cl_options_count = N_OPTS;\n"
+print "#if (1U << " n_langs ") > CL_MIN_OPTION_CLASS"
+print "  #error the number of languages exceeds the implementation limit"
+print "#endif"
+print "const unsigned int cl_lang_count = " n_langs ";\n"
 
 print "const struct cl_option cl_options[] =\n{"
 
-for (i = 0; i < n_opts; i++)
-	back_chain[i] = "N_OPTS";
-
+j = 0
 for (i = 0; i < n_opts; i++) {
+	back_chain[i] = "N_OPTS";
+	indices[opts[i]] = j;
 	# Combine the flags of identical switches.  Switches
 	# appear many times if they are handled by many front
 	# ends, for example.
 	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
 		flags[i + 1] = flags[i] " " flags[i + 1];
+		if (help[i + 1] == "")
+			help[i + 1] = help[i]
+		else if (help[i] != "" && help[i + 1] != help[i])
+			print "warning: multiple different help strings for " \
+				opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
+				| "cat 1>&2"
+		i++;
+		back_chain[i] = "N_OPTS";
+		indices[opts[i]] = j;
+	}
+	j++;
+}
+
+for (i = 0; i < n_opts; i++) {
+	# With identical flags, pick only the last one.  The
+	# earlier loop ensured that it has all flags merged,
+	# and a nonempty help text if one of the texts was nonempty.
+	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
 		i++;
 	}
 
 	len = length (opts[i]);
-	enum = "OPT_" opts[i]
-	if (opts[i] == "finline-limit=")
-		enum = enum "eq"
-	gsub ("[^A-Za-z0-9]", "_", enum)
+	enum = opt_enum(opts[i])
 
 	# If this switch takes joined arguments, back-chain all
 	# subsequent switches to it for which it is a prefix.  If
@@ -137,21 +231,97 @@ for (i = 0; i < n_opts; i++) {
 	else
 		hlp = quote help[i] quote;
 
-	printf("  { %c-%s%c,\n    %s,\n    %s, %u,\n",
-	       quote, opts[i], quote, hlp, back_chain[i], len)
+	missing_arg_error = opt_args("MissingArgError", flags[i])
+	if (missing_arg_error == "")
+		missing_arg_error = "0"
+	else
+		missing_arg_error = quote missing_arg_error quote
+
+
+	warn_message = opt_args("Warn", flags[i])
+	if (warn_message == "")
+		warn_message = "0"
+	else
+		warn_message = quote warn_message quote
+
+	alias_arg = opt_args("Alias", flags[i])
+	if (alias_arg == "") {
+		if (flag_set_p("Ignore", flags[i]))
+			alias_data = "NULL, NULL, OPT_SPECIAL_ignore"
+		else
+			alias_data = "NULL, NULL, N_OPTS"
+	} else {
+		alias_opt = nth_arg(0, alias_arg)
+		alias_posarg = nth_arg(1, alias_arg)
+		alias_negarg = nth_arg(2, alias_arg)
+
+		if (var_ref(opts[i], flags[i]) != "-1")
+			print "#error Alias setting variable"
+
+		if (alias_posarg != "" && alias_negarg == "") {
+			if (!flag_set_p("RejectNegative", flags[i]) \
+			    && opts[i] ~ "^[Wfm]")
+				print "#error Alias with single argument " \
+					"allowing negative form"
+		}
+		if (alias_posarg != "" \
+		    && flag_set_p("NegativeAlias", flags[i])) {
+			print "#error Alias with multiple arguments " \
+				"used with NegativeAlias"
+		}
+
+		alias_opt = opt_enum(alias_opt)
+		if (alias_posarg == "")
+			alias_posarg = "NULL"
+		else
+			alias_posarg = quote alias_posarg quote
+		if (alias_negarg == "")
+			alias_negarg = "NULL"
+		else
+			alias_negarg = quote alias_negarg quote
+		alias_data = alias_posarg ", " alias_negarg ", " alias_opt
+	}
+
+	neg = opt_args("Negative", flags[i]);
+	if (neg != "")
+		idx = indices[neg]
+	else {
+		if (flag_set_p("RejectNegative", flags[i]))
+			idx = -1;
+		else {
+			if (opts[i] ~ "^[Wfm]")
+				idx = indices[opts[i]];
+			else
+				idx = -1;
+		}
+	}
+	# Split the printf after %u to work around an ia64-hp-hpux11.23
+	# awk bug.
+	printf("  { %c-%s%c,\n    %s,\n    %s,\n    %s,\n    %s, %s, %u,",
+	       quote, opts[i], quote, hlp, missing_arg_error, warn_message,
+	       alias_data, back_chain[i], len)
+	printf(" %d,\n", idx)
 	condition = opt_args("Condition", flags[i])
 	cl_flags = switch_flags(flags[i])
+	cl_bit_fields = switch_bit_fields(flags[i])
+	cl_zero_bit_fields = switch_bit_fields("")
 	if (condition != "")
 		printf("#if %s\n" \
 		       "    %s,\n" \
+		       "    0, %s,\n" \
 		       "#else\n" \
-		       "    CL_DISABLED,\n" \
+		       "    0,\n" \
+		       "    1 /* Disabled.  */, %s,\n" \
 		       "#endif\n",
-		       condition, cl_flags, cl_flags)
+		       condition, cl_flags, cl_bit_fields, cl_zero_bit_fields)
 	else
-		printf("    %s,\n", cl_flags)
-	printf("    %s, %s }%s\n", var_ref(flags[i]), var_set(flags[i]), comma)
+		printf("    %s,\n" \
+		       "    0, %s,\n",
+		       cl_flags, cl_bit_fields)
+	printf("    %s, %s }%s\n", var_ref(opts[i], flags[i]),
+	       var_set(flags[i]), comma)
 }
 
 print "};"
+
 }