-# Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
+# Copyright (C) 2003,2004,2005,2006,2007,2008, 2010, 2011
+# Free Software Foundation, Inc.
# Contributed by Kelley Cook, June 2004.
# Original code from Neil Booth, May 2003.
#
# opt-gather.awk, combines the flags of duplicate options and generates a
# C header file.
#
-# This program uses functions from opt-functions.awk
-# Usage: awk -f opt-functions.awk -f opth-gen.awk < inputfile > options.h
-
-BEGIN {
- n_opts = 0
- n_langs = 0
- n_extra_masks = 0
- quote = "\042"
- comma = ","
- FS=SUBSEP
-}
-
-# 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] = $3
- n_opts++;
- }
- else {
- extra_masks[n_extra_masks++] = name
- }
- }
- }
+# This program uses functions from opt-functions.awk and code from
+# opt-read.awk.
+# Usage: awk -f opt-functions.awk -f opt-read.awk -f opth-gen.awk \
+# < inputfile > options.h
# Dump out an enumeration into a .h file.
# Combine the flags of duplicate options.
END {
-print "/* This file is auto-generated by opts.sh. */"
+print "/* This file is auto-generated by opth-gen.awk. */"
print ""
print "#ifndef OPTIONS_H"
print "#define OPTIONS_H"
print ""
-print "extern int target_flags;"
+print "#include \"flag-types.h\""
print ""
+if (n_extra_h_includes > 0) {
+ for (i = 0; i < n_extra_h_includes; i++) {
+ print "#include " quote extra_h_includes[i] quote
+ }
+ print ""
+}
+
+print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
+print "#ifndef GENERATOR_FILE"
+print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
+print "struct GTY(()) gcc_options"
+print "#else"
+print "struct gcc_options"
+print "#endif"
+print "{"
+print "#endif"
+
+for (i = 0; i < n_extra_vars; i++) {
+ var = extra_vars[i]
+ sub(" *=.*", "", var)
+ orig_var = var
+ name = var
+ type = var
+ type_after = var
+ sub("^.*[ *]", "", name)
+ sub("\\[.*\\]$", "", name)
+ sub("\\[.*\\]$", "", type)
+ sub(" *" name "$", "", type)
+ sub("^.*" name, "", type_after)
+ var_seen[name] = 1
+ print "#ifdef GENERATOR_FILE"
+ print "extern " orig_var ";"
+ print "#else"
+ print " " type " x_" name type_after ";"
+ print "#define " name " global_options.x_" name
+ print "#endif"
+}
+
for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("Save", flags[i]))
+ have_save = 1;
+
name = var_name(flags[i]);
if (name == "")
continue;
+ if (name in var_seen)
+ continue;
+
+ var_seen[name] = 1;
+ print "#ifdef GENERATOR_FILE"
print "extern " var_type(flags[i]) name ";"
+ print "#else"
+ print " " var_type(flags[i]) "x_" name ";"
+ print "#define " name " global_options.x_" name
+ print "#endif"
+}
+for (i = 0; i < n_opts; i++) {
+ name = static_var(opts[i], flags[i]);
+ if (name != "") {
+ print "#ifndef GENERATOR_FILE"
+ print " " var_type(flags[i]) "x_" name ";"
+ print "#define x_" name " do_not_use"
+ print "#endif"
+ }
}
+for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("SetByCombined", flags[i])) {
+ print "#ifndef GENERATOR_FILE"
+ print " bool frontend_set_" var_name(flags[i]) ";"
+ print "#endif"
+ }
+}
+print "#ifndef GENERATOR_FILE"
+print "};"
+print "extern struct gcc_options global_options;"
+print "extern const struct gcc_options global_options_init;"
+print "extern struct gcc_options global_options_set;"
+print "#define target_flags_explicit global_options_set.x_target_flags"
+print "#endif"
+print "#endif"
print ""
+# All of the optimization switches gathered together so they can be saved and restored.
+# This will allow attribute((cold)) to turn on space optimization.
+
+# Change the type of normal switches from int to unsigned char to save space.
+# Also, order the structure so that pointer fields occur first, then int
+# fields, and then char fields to provide the best packing.
+
+print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
+print ""
+print "/* Structure to save/restore optimization and target specific options. */";
+print "struct GTY(()) cl_optimization";
+print "{";
+
+n_opt_char = 2;
+n_opt_short = 0;
+n_opt_int = 0;
+n_opt_enum = 1;
+n_opt_other = 0;
+var_opt_char[0] = "unsigned char x_optimize";
+var_opt_char[1] = "unsigned char x_optimize_size";
+var_opt_enum[0] = "enum fp_contract_mode x_flag_fp_contract_mode";
+
+for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("Optimization", flags[i])) {
+ name = var_name(flags[i])
+ if(name == "")
+ continue;
+
+ if(name in var_opt_seen)
+ continue;
+
+ var_opt_seen[name]++;
+ otype = var_type_struct(flags[i]);
+ if (otype ~ "^((un)?signed +)?int *$")
+ var_opt_int[n_opt_int++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?short *$")
+ var_opt_short[n_opt_short++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?char *$")
+ var_opt_char[n_opt_char++] = otype "x_" name;
+
+ else if (otype ~ ("^enum +[_" alnum "]+ *$"))
+ var_opt_enum[n_opt_enum++] = otype "x_" name;
+
+ else
+ var_opt_other[n_opt_other++] = otype "x_" name;
+ }
+}
+
+for (i = 0; i < n_opt_other; i++) {
+ print " " var_opt_other[i] ";";
+}
+
+for (i = 0; i < n_opt_int; i++) {
+ print " " var_opt_int[i] ";";
+}
+
+for (i = 0; i < n_opt_enum; i++) {
+ print " " var_opt_enum[i] ";";
+}
+
+for (i = 0; i < n_opt_short; i++) {
+ print " " var_opt_short[i] ";";
+}
+
+for (i = 0; i < n_opt_char; i++) {
+ print " " var_opt_char[i] ";";
+}
+
+print "};";
+print "";
+
+# Target and optimization save/restore/print functions.
+print "/* Structure to save/restore selected target specific options. */";
+print "struct GTY(()) cl_target_option";
+print "{";
+
+n_target_char = 0;
+n_target_short = 0;
+n_target_int = 0;
+n_target_enum = 0;
+n_target_other = 0;
+
+for (i = 0; i < n_target_save; i++) {
+ if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
+ var_target_int[n_target_int++] = target_save_decl[i];
+
+ else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
+ var_target_short[n_target_short++] = target_save_decl[i];
+
+ else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
+ var_target_char[n_target_char++] = target_save_decl[i];
+
+ else if (target_save_decl[i] ~ ("^enum +[_" alnum "]+ +[_" alnum "]+$")) {
+ var_target_enum[n_target_enum++] = target_save_decl[i];
+ }
+ else
+ var_target_other[n_target_other++] = target_save_decl[i];
+}
+
+if (have_save) {
+ for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("Save", flags[i])) {
+ name = var_name(flags[i])
+ if(name == "")
+ name = "target_flags";
+
+ if(name in var_save_seen)
+ continue;
+
+ var_save_seen[name]++;
+ otype = var_type_struct(flags[i])
+ if (otype ~ "^((un)?signed +)?int *$")
+ var_target_int[n_target_int++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?short *$")
+ var_target_short[n_target_short++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?char *$")
+ var_target_char[n_target_char++] = otype "x_" name;
+
+ else if (otype ~ ("^enum +[_" alnum "]+ +[_" alnum "]+"))
+ var_target_enum[n_target_enum++] = otype "x_" name;
+
+ else
+ var_target_other[n_target_other++] = otype "x_" name;
+ }
+ }
+} else {
+ var_target_int[n_target_int++] = "int x_target_flags";
+}
+
+for (i = 0; i < n_target_other; i++) {
+ print " " var_target_other[i] ";";
+}
+
+for (i = 0; i < n_target_enum; i++) {
+ print " " var_target_enum[i] ";";
+}
+
+for (i = 0; i < n_target_int; i++) {
+ print " " var_target_int[i] ";";
+}
+
+for (i = 0; i < n_target_short; i++) {
+ print " " var_target_short[i] ";";
+}
+
+for (i = 0; i < n_target_char; i++) {
+ print " " var_target_char[i] ";";
+}
+
+print "};";
+print "";
+print "";
+print "/* Save optimization variables into a structure. */"
+print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
+print "";
+print "/* Restore optimization variables from a structure. */";
+print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
+print "";
+print "/* Print optimization variables from a structure. */";
+print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
+print "";
+print "/* Save selected option variables into a structure. */"
+print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
+print "";
+print "/* Restore selected option variables from a structure. */"
+print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
+print "";
+print "/* Print target option variables from a structure. */";
+print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
+print "#endif";
+print "";
+
for (i = 0; i < n_opts; i++) {
name = opt_args("Mask", flags[i])
vname = var_name(flags[i])
mask = "MASK_"
+ mask_1 = "1"
if (vname != "") {
mask = "OPTION_MASK_"
+ if (host_wide_int[vname] == "yes")
+ mask_1 = "HOST_WIDE_INT_1"
}
if (name != "" && !flag_set_p("MaskExists", flags[i]))
- print "#define " mask name " (1 << " masknum[vname]++ ")"
+ print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
}
for (i = 0; i < n_extra_masks; i++) {
print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
}
for (var in masknum) {
- if (masknum[var] > 31) {
+ if (var != "" && host_wide_int[var] == "yes") {
+ print" #if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " >= HOST_BITS_PER_WIDE_INT"
+ print "#error too many masks for " var
+ print "#endif"
+ }
+ else if (masknum[var] > 31) {
if (var == "")
print "#error too many target masks"
else
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 "#define " macros[i] s " (1 << " i ")"
+ print "#define " macros[i] s " (1U << " i ")"
}
-print "#define CL_LANG_ALL ((1 << " n_langs ") - 1)"
+print "#define CL_LANG_ALL ((1U << " n_langs ") - 1)"
print ""
print "enum opt_code"
for (i = 0; i < n_opts; i++)
back_chain[i] = "N_OPTS";
+enum_value = 0
for (i = 0; i < n_opts; i++) {
# Combine the flags of identical switches. Switches
# appear many times if they are handled by many front
}
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])
+ enum_string = enum " = " enum_value ","
+
+ # Aliases do not get enumeration names.
+ if ((flag_set_p("Alias.*", flags[i]) \
+ && !flag_set_p("SeparateAlias", flags[i])) \
+ || flag_set_p("Ignore", flags[i])) {
+ enum_string = "/* " enum_string " */"
+ }
# If this switch takes joined arguments, back-chain all
# subsequent switches to it for which it is a prefix. If
}
}
- s = substr(" ", length (opts[i]))
- if (i + 1 == n_opts)
- comma = ""
+ s = substr(" ",
+ length (enum_string))
if (help[i] == "")
hlp = "0"
else
hlp = "N_(\"" help[i] "\")";
- print " " enum "," s "/* -" opts[i] " */"
+ print " " enum_string s "/* -" opts[i] " */"
+ enum_value++
}
-print " N_OPTS"
+print " N_OPTS,"
+print " OPT_SPECIAL_unknown,"
+print " OPT_SPECIAL_ignore,"
+print " OPT_SPECIAL_program_name,"
+print " OPT_SPECIAL_input_file"
print "};"
print ""
print "#endif /* OPTIONS_H */"
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