struct cl_option
{
+ /* Text of the option, including initial '-'. */
const char *opt_text;
+ /* Help text for --help, or NULL. */
const char *help;
+ /* Error message for missing argument, or NULL. */
const char *missing_argument_error;
+ /* Warning to give when this option is used, or NULL. */
const char *warn_message;
+ /* Argument of alias target when positive option given, or NULL. */
const char *alias_arg;
+ /* Argument of alias target when negative option given, or NULL. */
const char *neg_alias_arg;
+ /* Alias target, or N_OPTS if not an alias. */
unsigned short alias_target;
+ /* Previous option that is an initial substring of this one, or
+ N_OPTS if none. */
unsigned short back_chain;
+ /* Option length, not including initial '-'. */
unsigned char opt_len;
+ /* Next option in a sequence marked with Negative, or -1 if none. */
int neg_index;
+ /* CL_* flags for this option. */
unsigned int flags;
+ /* Disabled in this configuration. */
+ BOOL_BITFIELD cl_disabled : 1;
+ /* 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. */
+ unsigned int cl_separate_nargs : 2;
+ /* Option is an alias when used with separate argument. */
+ BOOL_BITFIELD cl_separate_alias : 1;
+ /* Alias to negative form of option. */
+ BOOL_BITFIELD cl_negative_alias : 1;
+ /* Option takes no argument in the driver. */
+ BOOL_BITFIELD cl_no_driver_arg : 1;
+ /* Reject this option in the driver. */
+ BOOL_BITFIELD cl_reject_driver : 1;
+ /* Reject no- form. */
+ BOOL_BITFIELD cl_reject_negative : 1;
+ /* Missing argument OK (joined). */
+ BOOL_BITFIELD cl_missing_ok : 1;
+ /* Argument is an integer >=0. */
+ BOOL_BITFIELD cl_uinteger : 1;
+ /* Argument should be converted to lowercase. */
+ BOOL_BITFIELD cl_tolower : 1;
+ /* Report argument with -fverbose-asm */
+ BOOL_BITFIELD cl_report : 1;
+ /* Offset of field for this option in struct gcc_options, or
+ (unsigned short) -1 if none. */
unsigned short flag_var_offset;
+ /* Index in cl_enums of enum used for this option's arguments, for
+ CLVC_ENUM options. */
unsigned short var_enum;
+ /* How this option's value is determined and sets a field. */
enum cl_var_type var_type;
+ /* Value or bit-mask with which to set a field. */
int var_value;
};
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 (3U << CL_SEPARATE_NARGS_SHIFT)
-
-#define CL_SEPARATE_ALIAS (1U << 19) /* Option is an alias when used with separate argument. */
-#define CL_NO_DRIVER_ARG (1U << 20) /* Option takes no argument in the driver. */
-#define CL_REJECT_DRIVER (1U << 21) /* Reject this option in the driver. */
-#define CL_SAVE (1U << 22) /* Target-specific option for attribute. */
-#define CL_DISABLED (1U << 23) /* Disabled in this configuration. */
-#define CL_REPORT (1U << 24) /* Report argument with -fverbose-asm */
-#define CL_JOINED (1U << 25) /* If takes joined argument. */
-#define CL_SEPARATE (1U << 26) /* If takes a separate argument. */
-#define CL_REJECT_NEGATIVE (1U << 27) /* Reject no- form. */
-#define CL_MISSING_OK (1U << 28) /* Missing argument OK (joined). */
-#define CL_UINTEGER (1U << 29) /* Argument is an integer >=0. */
-#define CL_UNDOCUMENTED (1U << 30) /* Do not output with --help. */
+#define CL_JOINED (1U << 17) /* If takes joined argument. */
+#define CL_SEPARATE (1U << 18) /* If takes a separate argument. */
+#define CL_UNDOCUMENTED (1U << 19) /* Do not output with --help. */
/* Flags for an enumerated option argument. */
#define CL_ENUM_CANONICAL (1 << 0) /* Canonical for this value. */
extern void set_struct_debug_option (struct gcc_options *opts,
location_t loc,
const char *value);
+extern bool opt_enum_arg_to_value (size_t opt_index, const char *arg,
+ int *value, unsigned int lang_mask);
#endif
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