-# Copyright (C) 2003,2004,2005,2006,2007,2008, 2010
-# Free Software Foundation, Inc.
+# Copyright (C) 2003-2015 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_target_save = 0
- n_extra_vars = 0
- n_extra_target_vars = 0
- n_extra_masks = 0
- n_extra_c_includes = 0
- n_extra_h_includes = 0
- have_save = 0;
- quote = "\042"
- FS=SUBSEP
-}
-
-# Collect the text and flags of each option into an array
- {
- if ($1 == "Language") {
- langs[n_langs] = $2
- n_langs++;
- }
- else if ($1 == "TargetSave") {
- # Make sure the declarations are put in source order
- target_save_decl[n_target_save] = $2
- n_target_save++
- }
- else if ($1 == "Variable") {
- extra_vars[n_extra_vars] = $2
- n_extra_vars++
- }
- else if ($1 == "TargetVariable") {
- # Combination of TargetSave and Variable
- extra_vars[n_extra_vars] = $2
- n_extra_vars++
-
- var = $2
- sub(" *=.*", "", var)
- orig_var = var
- name = var
- type = var
- sub("^.*[ *]", "", name)
- sub(" *" name "$", "", type)
- target_save_decl[n_target_save] = type " x_" name
- n_target_save++
-
- extra_target_vars[n_extra_target_vars] = name
- n_extra_target_vars++
- }
- else if ($1 == "HeaderInclude") {
- extra_h_includes[n_extra_h_includes++] = $2;
- }
- else if ($1 == "SourceInclude") {
- extra_c_includes[n_extra_c_includes++] = $2;
- }
- else if ($1 == "Enum") {
- props = $2
- name = opt_args("Name", props)
- type = opt_args("Type", props)
- unknown_error = opt_args("UnknownError", props)
- enum_names[n_enums] = name
- enum_type[name] = type
- enum_index[name] = n_enums
- enum_unknown_error[name] = unknown_error
- enum_help[name] = $3
- n_enums++
- }
- else if ($1 == "EnumValue") {
- props = $2
- enum_name = opt_args("Enum", props)
- string = opt_args("String", props)
- value = opt_args("Value", props)
- val_flags = "0"
- val_flags = val_flags \
- test_flag("Canonical", props, "| CL_ENUM_CANONICAL") \
- test_flag("DriverOnly", props, "| CL_ENUM_DRIVER_ONLY")
- enum_data[enum_name] = enum_data[enum_name] \
- " { " quote string quote ", " value ", " val_flags \
- " },\n"
- }
- 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.
print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
print "#ifndef GENERATOR_FILE"
-print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
+print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
print "struct GTY(()) gcc_options"
print "#else"
print "struct gcc_options"
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;"
# 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(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
+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_char = 3;
n_opt_short = 0;
n_opt_int = 0;
-n_opt_enum = 1;
+n_opt_enum = 0;
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";
+var_opt_char[2] = "unsigned char x_optimize_debug";
for (i = 0; i < n_opts; i++) {
if (flag_set_p("Optimization", flags[i])) {
print "/* Print optimization variables from a structure. */";
print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
print "";
+print "/* Print different optimization variables from structures provided as arguments. */";
+print "extern void cl_optimization_print_diff (FILE *, int, cl_optimization *ptr1, cl_optimization *ptr2);";
+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 "";
print "/* Print target option variables from a structure. */";
print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
+print "";
+print "/* Print different target option variables from structures provided as arguments. */";
+print "extern void cl_target_option_print_diff (FILE *, int, cl_target_option *ptr1, cl_target_option *ptr2);";
+print "";
+print "/* Compare two target option variables from a structure. */";
+print "extern bool cl_target_option_eq (const struct cl_target_option *, const struct cl_target_option *);";
+print "";
+print "/* Hash option variables from a structure. */";
+print "extern hashval_t cl_target_option_hash (const struct cl_target_option *);";
+print "";
+print "/* Hash optimization from a structure. */";
+print "extern hashval_t cl_optimization_hash (const struct cl_optimization *);";
+print "";
+print "/* Anything that includes tm.h, does not necessarily need this. */"
+print "#if !defined(GCC_TM_H)"
+print "#include \"input.h\" /* for location_t */"
+print "bool "
+print "common_handle_option_auto (struct gcc_options *opts, "
+print " struct gcc_options *opts_set, "
+print " const struct cl_decoded_option *decoded, "
+print " unsigned int lang_mask, int kind, "
+print " location_t loc, "
+print " const struct cl_option_handlers *handlers, "
+print " diagnostic_context *dc); "
+for (i = 0; i < n_langs; i++) {
+ lang_name = lang_sanitized_name(langs[i]);
+ print "bool "
+ print lang_name "_handle_option_auto (struct gcc_options *opts, "
+ print " struct gcc_options *opts_set, "
+ print " size_t scode, const char *arg, int value, "
+ print " unsigned int lang_mask, int kind, "
+ print " location_t loc, "
+ print " const struct cl_option_handlers *handlers, "
+ print " diagnostic_context *dc); "
+}
+print "void cpp_handle_option_auto (const struct gcc_options * opts, size_t scode,"
+print " struct cpp_options * cpp_opts);"
+print "void init_global_opts_from_cpp(struct gcc_options * opts, "
+print " const struct cpp_options * cpp_opts);"
+print "#endif";
print "#endif";
print "";
for (i = 0; i < n_opts; i++) {
name = opt_args("Mask", flags[i])
- vname = var_name(flags[i])
- mask = "MASK_"
- if (vname != "") {
- mask = "OPTION_MASK_"
+ if (name == "") {
+ opt = opt_args("InverseMask", flags[i])
+ if (opt ~ ",")
+ name = nth_arg(0, opt)
+ else
+ name = opt
+ }
+ if (name != "" && mask_bits[name] == 0) {
+ mask_bits[name] = 1
+ 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"
+ } else
+ extra_mask_bits[name] = 1
+ print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
}
- if (name != "" && !flag_set_p("MaskExists", flags[i]))
- print "#define " mask name " (1 << " masknum[vname]++ ")"
}
for (i = 0; i < n_extra_masks; i++) {
- print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
+ if (extra_mask_bits[extra_masks[i]] == 0)
+ 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_opts; i++) {
name = opt_args("Mask", flags[i])
- vname = var_name(flags[i])
- macro = "OPTION_"
- mask = "OPTION_MASK_"
- if (vname == "") {
- vname = "target_flags"
- macro = "TARGET_"
- mask = "MASK_"
+ if (name == "") {
+ opt = opt_args("InverseMask", flags[i])
+ if (opt ~ ",")
+ name = nth_arg(0, opt)
+ else
+ name = opt
}
- if (name != "" && !flag_set_p("MaskExists", flags[i]))
- print "#define " macro name \
+ if (name != "" && mask_macros[name] == 0) {
+ mask_macros[name] = 1
+ vname = var_name(flags[i])
+ mask = "OPTION_MASK_"
+ if (vname == "") {
+ vname = "target_flags"
+ mask = "MASK_"
+ extra_mask_macros[name] = 1
+ }
+ print "#define TARGET_" name \
+ " ((" vname " & " mask name ") != 0)"
+ print "#define TARGET_" name "_P(" vname ")" \
" ((" vname " & " mask name ") != 0)"
+ }
}
for (i = 0; i < n_extra_masks; i++) {
- print "#define TARGET_" extra_masks[i] \
- " ((target_flags & MASK_" extra_masks[i] ") != 0)"
+ if (extra_mask_macros[extra_masks[i]] == 0)
+ print "#define TARGET_" extra_masks[i] \
+ " ((target_flags & MASK_" extra_masks[i] ") != 0)"
}
print ""
opt = opt_args("InverseMask", flags[i])
if (opt ~ ",") {
vname = var_name(flags[i])
- macro = "OPTION_"
mask = "OPTION_MASK_"
if (vname == "") {
vname = "target_flags"
- macro = "TARGET_"
mask = "MASK_"
}
- print "#define " macro nth_arg(1, opt) \
+ print "#define TARGET_" nth_arg(1, opt) \
" ((" vname " & " mask nth_arg(0, opt) ") == 0)"
}
}
print ""
for (i = 0; i < n_langs; i++) {
- macros[i] = "CL_" langs[i]
- gsub( "[^" alnum "_]", "X", macros[i] )
+ macros[i] = "CL_" lang_sanitized_name(langs[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"
print " OPT_SPECIAL_input_file"
print "};"
print ""
+print "#ifdef GCC_C_COMMON_C"
+print "/* Mapping from cpp message reasons to the options that enable them. */"
+print "#include <cpplib.h>"
+print "struct cpp_reason_option_codes_t"
+print "{"
+print " const int reason; /* cpplib message reason. */"
+print " const int option_code; /* gcc option that controls this message. */"
+print "};"
+print ""
+print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
+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++;
+ }
+ cpp_reason = nth_arg(0, opt_args("CppReason", flags[i]));
+ if (cpp_reason != "") {
+ cpp_reason = cpp_reason ",";
+ printf(" {%-40s %s},\n", cpp_reason, opt_enum(opts[i]))
+ }
+}
+printf(" {%-40s 0},\n", "CPP_W_NONE,")
+print "};"
+print "#endif"
+print ""
print "#endif /* OPTIONS_H */"
}