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Diffstat (limited to 'lib/gcc/arm-eabi/4.6.x-google/plugin/include/opts.h')
| -rw-r--r-- | lib/gcc/arm-eabi/4.6.x-google/plugin/include/opts.h | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/lib/gcc/arm-eabi/4.6.x-google/plugin/include/opts.h b/lib/gcc/arm-eabi/4.6.x-google/plugin/include/opts.h new file mode 100644 index 0000000..379ae2d --- /dev/null +++ b/lib/gcc/arm-eabi/4.6.x-google/plugin/include/opts.h @@ -0,0 +1,385 @@ +/* Command line option handling. + Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 + Free Software Foundation, Inc. + +This file is part of GCC. + +GCC 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 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef GCC_OPTS_H +#define GCC_OPTS_H + +#include "input.h" +#include "vec.h" + +/* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */ +enum cl_var_type { + /* The switch is enabled when FLAG_VAR is nonzero. */ + CLVC_BOOLEAN, + + /* The switch is enabled when FLAG_VAR == VAR_VALUE. */ + CLVC_EQUAL, + + /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR. */ + CLVC_BIT_CLEAR, + + /* The switch is enabled when VAR_VALUE is set in FLAG_VAR. */ + CLVC_BIT_SET, + + /* The switch takes a string argument and FLAG_VAR points to that + argument. */ + CLVC_STRING, + + /* The switch takes an enumerated argument (VAR_ENUM says what + enumeration) and FLAG_VAR points to that argument. */ + CLVC_ENUM, + + /* The switch should be stored in the VEC pointed to by FLAG_VAR for + later processing. */ + CLVC_DEFER +}; + +struct cl_option +{ + const char *opt_text; + const char *help; + const char *missing_argument_error; + const char *warn_message; + const char *alias_arg; + const char *neg_alias_arg; + unsigned short alias_target; + unsigned short back_chain; + unsigned char opt_len; + int neg_index; + unsigned int flags; + unsigned short flag_var_offset; + unsigned short var_enum; + enum cl_var_type var_type; + int var_value; +}; + +/* Records that the state of an option consists of SIZE bytes starting + at DATA. DATA might point to CH in some cases. */ +struct cl_option_state { + const void *data; + size_t size; + char ch; +}; + +extern const struct cl_option cl_options[]; +extern const unsigned int cl_options_count; +extern const char *const lang_names[]; +extern const unsigned int cl_lang_count; + +#define CL_PARAMS (1 << 11) /* Fake entry. Used to display --param info with --help. */ +#define CL_WARNING (1 << 12) /* Enables an (optional) warning message. */ +#define CL_OPTIMIZATION (1 << 13) /* Enables an (optional) optimization. */ +#define CL_DRIVER (1 << 14) /* Driver option. */ +#define CL_TARGET (1 << 15) /* Target-specific option. */ +#define CL_COMMON (1 << 16) /* Language-independent. */ + +#define CL_MIN_OPTION_CLASS CL_PARAMS +#define CL_MAX_OPTION_CLASS CL_COMMON + +/* From here on the bits describe attributes of the options. + Before this point the bits have described the class of the option. + This distinction is important because --help will not list options + which only have these higher bits set. */ + +/* Options marked with CL_SEPARATE take a number of separate arguments + (1 to 4) that is one more than the number in this bit-field. */ +#define CL_SEPARATE_NARGS_SHIFT 17 +#define CL_SEPARATE_NARGS_MASK (3 << CL_SEPARATE_NARGS_SHIFT) + +#define CL_SEPARATE_ALIAS (1 << 19) /* Option is an alias when used with separate argument. */ +#define CL_NO_DRIVER_ARG (1 << 20) /* Option takes no argument in the driver. */ +#define CL_REJECT_DRIVER (1 << 21) /* Reject this option in the driver. */ +#define CL_SAVE (1 << 22) /* Target-specific option for attribute. */ +#define CL_DISABLED (1 << 23) /* Disabled in this configuration. */ +#define CL_REPORT (1 << 24) /* Report argument with -fverbose-asm */ +#define CL_JOINED (1 << 25) /* If takes joined argument. */ +#define CL_SEPARATE (1 << 26) /* If takes a separate argument. */ +#define CL_REJECT_NEGATIVE (1 << 27) /* Reject no- form. */ +#define CL_MISSING_OK (1 << 28) /* Missing argument OK (joined). */ +#define CL_UINTEGER (1 << 29) /* Argument is an integer >=0. */ +#define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */ + +/* Flags for an enumerated option argument. */ +#define CL_ENUM_CANONICAL (1 << 0) /* Canonical for this value. */ +#define CL_ENUM_DRIVER_ONLY (1 << 1) /* Only accepted in the driver. */ + +/* Structure describing an enumerated option argument. */ + +struct cl_enum_arg +{ + /* The argument text, or NULL at the end of the array. */ + const char *arg; + + /* The corresponding integer value. */ + int value; + + /* Flags associated with this argument. */ + unsigned int flags; +}; + +/* Structure describing an enumerated set of option arguments. */ + +struct cl_enum +{ + /* Help text, or NULL if the values should not be listed in --help + output. */ + const char *help; + + /* Error message for unknown arguments, or NULL to use a generic + error. */ + const char *unknown_error; + + /* Array of possible values. */ + const struct cl_enum_arg *values; + + /* The size of the type used to store a value. */ + size_t var_size; + + /* Function to set a variable of this type. */ + void (*set) (void *var, int value); + + /* Function to get the value of a variable of this type. */ + int (*get) (const void *var); +}; + +extern const struct cl_enum cl_enums[]; +extern const unsigned int cl_enums_count; + +/* Possible ways in which a command-line option may be erroneous. + These do not include not being known at all; an option index of + OPT_SPECIAL_unknown is used for that. */ + +#define CL_ERR_DISABLED (1 << 0) /* Disabled in this configuration. */ +#define CL_ERR_MISSING_ARG (1 << 1) /* Argument required but missing. */ +#define CL_ERR_WRONG_LANG (1 << 2) /* Option for wrong language. */ +#define CL_ERR_UINT_ARG (1 << 3) /* Bad unsigned integer argument. */ +#define CL_ERR_ENUM_ARG (1 << 4) /* Bad enumerated argument. */ +#define CL_ERR_NEGATIVE (1 << 5) /* Negative form of option + not permitted (together + with OPT_SPECIAL_unknown). */ + +/* Structure describing the result of decoding an option. */ + +struct cl_decoded_option +{ + /* The index of this option, or an OPT_SPECIAL_* value for + non-options and unknown options. */ + size_t opt_index; + + /* Any warning to give for use of this option, or NULL if none. */ + const char *warn_message; + + /* The string argument, or NULL if none. For OPT_SPECIAL_* cases, + the option or non-option command-line argument. */ + const char *arg; + + /* The original text of option plus arguments, with separate argv + elements concatenated into one string with spaces separating + them. This is for such uses as diagnostics and + -frecord-gcc-switches. */ + const char *orig_option_with_args_text; + + /* The canonical form of the option and its argument, for when it is + necessary to reconstruct argv elements (in particular, for + processing specs and passing options to subprocesses from the + driver). */ + const char *canonical_option[4]; + + /* The number of elements in the canonical form of the option and + arguments; always at least 1. */ + size_t canonical_option_num_elements; + + /* For a boolean option, 1 for the true case and 0 for the "no-" + case. For an unsigned integer option, the value of the + argument. 1 in all other cases. */ + int value; + + /* Any flags describing errors detected in this option. */ + int errors; +}; + +/* Structure describing an option deferred for handling after the main + option handlers. */ + +typedef struct +{ + /* Elements from struct cl_decoded_option used for deferred + options. */ + size_t opt_index; + const char *arg; + int value; +} cl_deferred_option; +DEF_VEC_O(cl_deferred_option); +DEF_VEC_ALLOC_O(cl_deferred_option,heap); + +/* Structure describing a single option-handling callback. */ + +struct cl_option_handler_func +{ + /* The function called to handle the option. */ + bool (*handler) (struct gcc_options *opts, + struct gcc_options *opts_set, + const struct cl_decoded_option *decoded, + unsigned int lang_mask, int kind, location_t loc, + const struct cl_option_handlers *handlers, + diagnostic_context *dc); + + /* The mask that must have some bit in common with the flags for the + option for this particular handler to be used. */ + unsigned int mask; +}; + +/* Structure describing the callbacks used in handling options. */ + +struct cl_option_handlers +{ + /* Callback for an unknown option to determine whether to give an + error for it, and possibly store information to diagnose the + option at a later point. Return true if an error should be + given, false otherwise. */ + bool (*unknown_option_callback) (const struct cl_decoded_option *decoded); + + /* Callback to handle, and possibly diagnose, an option for another + language. */ + void (*wrong_lang_callback) (const struct cl_decoded_option *decoded, + unsigned int lang_mask); + + /* Callback to call after the successful handling of any option. */ + void (*post_handling_callback) (const struct cl_decoded_option *decoded, + unsigned int mask); + + /* The number of individual handlers. */ + size_t num_handlers; + + /* The handlers themselves. */ + struct cl_option_handler_func handlers[3]; +}; + +/* Input file names. */ + +extern const char **in_fnames; + +/* The count of input filenames. */ + +extern unsigned num_in_fnames; + +/* GCC command-line arguments used during profile-gen, that are saved to the + profile data file. During profile-use, these can be compared to make sure + only those auxiliary modules are actually imported that use a compatible + set of GCC flags as the primary module. */ +extern const char **lipo_cl_args; + +/* The size of the above mentioned mentioned array. */ +extern unsigned num_lipo_cl_args; + +size_t find_opt (const char *input, int lang_mask); +extern int integral_argument (const char *arg); +extern bool enum_value_to_arg (const struct cl_enum_arg *enum_args, + const char **argp, int value, + unsigned int lang_mask); +extern void decode_cmdline_options_to_array (unsigned int argc, + const char **argv, + unsigned int lang_mask, + struct cl_decoded_option **decoded_options, + unsigned int *decoded_options_count); +extern void init_options_once (void); +extern void init_options_struct (struct gcc_options *opts, + struct gcc_options *opts_set); +extern void decode_cmdline_options_to_array_default_mask (unsigned int argc, + const char **argv, + struct cl_decoded_option **decoded_options, + unsigned int *decoded_options_count); +extern void set_default_handlers (struct cl_option_handlers *handlers); +extern void decode_options (struct gcc_options *opts, + struct gcc_options *opts_set, + struct cl_decoded_option *decoded_options, + unsigned int decoded_options_count, + location_t loc, + diagnostic_context *dc); +extern int option_enabled (int opt_idx, void *opts); +extern bool get_option_state (struct gcc_options *, int, + struct cl_option_state *); +extern void set_option (struct gcc_options *opts, + struct gcc_options *opts_set, + int opt_index, int value, const char *arg, int kind, + location_t loc, diagnostic_context *dc); +extern void *option_flag_var (int opt_index, struct gcc_options *opts); +bool handle_generated_option (struct gcc_options *opts, + struct gcc_options *opts_set, + size_t opt_index, const char *arg, int value, + unsigned int lang_mask, int kind, location_t loc, + const struct cl_option_handlers *handlers, + diagnostic_context *dc); +void generate_option (size_t opt_index, const char *arg, int value, + unsigned int lang_mask, + struct cl_decoded_option *decoded); +void generate_option_input_file (const char *file, + struct cl_decoded_option *decoded); +extern void read_cmdline_option (struct gcc_options *opts, + struct gcc_options *opts_set, + struct cl_decoded_option *decoded, + location_t loc, + unsigned int lang_mask, + const struct cl_option_handlers *handlers, + diagnostic_context *dc); +extern void control_warning_option (unsigned int opt_index, int kind, + bool imply, location_t loc, + unsigned int lang_mask, + const struct cl_option_handlers *handlers, + struct gcc_options *opts, + struct gcc_options *opts_set, + diagnostic_context *dc); +extern void print_ignored_options (void); +extern void add_input_filename (const char *filename); +extern void add_module_info (unsigned mod_id, bool is_primary, int index); +extern void set_lipo_c_parsing_context (struct cpp_reader *parse_in, int i, bool verbose); +extern void coverage_note_define (const char *cpp_def, bool is_def); +extern void coverage_note_include (const char *filename); +extern void handle_common_deferred_options (void); +extern bool common_handle_option (struct gcc_options *opts, + struct gcc_options *opts_set, + const struct cl_decoded_option *decoded, + unsigned int lang_mask, int kind, + location_t loc, + const struct cl_option_handlers *handlers, + diagnostic_context *dc); +extern bool target_handle_option (struct gcc_options *opts, + struct gcc_options *opts_set, + const struct cl_decoded_option *decoded, + unsigned int lang_mask, int kind, + location_t loc, + const struct cl_option_handlers *handlers, + diagnostic_context *dc); +extern void finish_options (struct gcc_options *opts, + struct gcc_options *opts_set, + location_t loc); +extern void default_options_optimization (struct gcc_options *opts, + struct gcc_options *opts_set, + struct cl_decoded_option *decoded_options, + unsigned int decoded_options_count, + location_t loc, + unsigned int lang_mask, + const struct cl_option_handlers *handlers, + diagnostic_context *dc); +extern void set_struct_debug_option (struct gcc_options *opts, + location_t loc, + const char *value); +extern void write_opts_to_asm (void); +#endif |