1/* Compilation switch flag definitions for GCC. 2 Copyright (C) 1987-2015 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 3, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING3. If not see 18<http://www.gnu.org/licenses/>. */ 19 20#ifndef GCC_FLAGS_H 21#define GCC_FLAGS_H 22 23#include "flag-types.h" 24#include "options.h" 25 26#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS) 27 28/* Names of debug_info_type, for error messages. */ 29extern const char *const debug_type_names[]; 30 31extern void strip_off_ending (char *, int); 32extern int base_of_path (const char *path, const char **base_out); 33 34/* Return true iff flags are set as if -ffast-math. */ 35extern bool fast_math_flags_set_p (const struct gcc_options *); 36extern bool fast_math_flags_struct_set_p (struct cl_optimization *); 37 38 39/* Now the symbols that are set with `-f' switches. */ 40 41/* True if printing into -fdump-final-insns= dump. */ 42 43extern bool final_insns_dump_p; 44 45 46/* Other basic status info about current function. */ 47 48/* Target-dependent global state. */ 49struct target_flag_state { 50 /* Values of the -falign-* flags: how much to align labels in code. 51 0 means `use default', 1 means `don't align'. 52 For each variable, there is an _log variant which is the power 53 of two not less than the variable, for .align output. */ 54 int x_align_loops_log; 55 int x_align_loops_max_skip; 56 int x_align_jumps_log; 57 int x_align_jumps_max_skip; 58 int x_align_labels_log; 59 int x_align_labels_max_skip; 60 int x_align_functions_log; 61 62 /* The excess precision currently in effect. */ 63 enum excess_precision x_flag_excess_precision; 64}; 65 66extern struct target_flag_state default_target_flag_state; 67#if SWITCHABLE_TARGET 68extern struct target_flag_state *this_target_flag_state; 69#else 70#define this_target_flag_state (&default_target_flag_state) 71#endif 72 73#define align_loops_log \ 74 (this_target_flag_state->x_align_loops_log) 75#define align_loops_max_skip \ 76 (this_target_flag_state->x_align_loops_max_skip) 77#define align_jumps_log \ 78 (this_target_flag_state->x_align_jumps_log) 79#define align_jumps_max_skip \ 80 (this_target_flag_state->x_align_jumps_max_skip) 81#define align_labels_log \ 82 (this_target_flag_state->x_align_labels_log) 83#define align_labels_max_skip \ 84 (this_target_flag_state->x_align_labels_max_skip) 85#define align_functions_log \ 86 (this_target_flag_state->x_align_functions_log) 87#define flag_excess_precision \ 88 (this_target_flag_state->x_flag_excess_precision) 89 90/* Returns TRUE if generated code should match ABI version N or 91 greater is in use. */ 92 93#define abi_version_at_least(N) \ 94 (flag_abi_version == 0 || flag_abi_version >= (N)) 95 96/* Whether to emit an overflow warning whose code is C. */ 97#define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c)) 98 99#endif 100 101#endif /* ! GCC_FLAGS_H */ 102