1 /* Compilation switch flag definitions for GCC. 2 Copyright (C) 1987-2021 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along 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 #if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS) 24 25 /* Names of fundamental debug info formats indexed by enum 26 debug_info_type. */ 27 28 extern const char *const debug_type_names[]; 29 30 /* Get enum debug_info_type of the specified debug format, for error messages. 31 Can be used only for individual debug format types. */ 32 33 extern enum debug_info_type debug_set_to_format (uint32_t debug_info_set); 34 35 /* Get the number of debug formats enabled for output. */ 36 37 unsigned int debug_set_count (uint32_t w_symbols); 38 39 /* Get the names of the debug formats enabled for output. */ 40 41 const char * debug_set_names (uint32_t w_symbols); 42 43 /* Return true iff BTF debug info is enabled. */ 44 45 extern bool btf_debuginfo_p (); 46 47 /* Return true iff BTF with CO-RE debug info is enabled. */ 48 49 extern bool btf_with_core_debuginfo_p (); 50 51 /* Return true iff CTF debug info is enabled. */ 52 53 extern bool ctf_debuginfo_p (); 54 55 /* Return true iff DWARF2 debug info is enabled. */ 56 57 extern bool dwarf_debuginfo_p (); 58 59 /* Return true iff the debug info format is to be generated based on DWARF 60 DIEs (like CTF and BTF debug info formats). */ 61 62 extern bool dwarf_based_debuginfo_p (); 63 64 extern void strip_off_ending (char *, int); 65 extern int base_of_path (const char *path, const char **base_out); 66 67 /* Return true iff flags are set as if -ffast-math. */ 68 extern bool fast_math_flags_set_p (const struct gcc_options *); 69 extern bool fast_math_flags_struct_set_p (struct cl_optimization *); 70 71 72 /* Now the symbols that are set with `-f' switches. */ 73 74 /* True if printing into -fdump-final-insns= dump. */ 75 76 extern bool final_insns_dump_p; 77 78 79 /* Other basic status info about current function. */ 80 81 class target_flag_state 82 { 83 public: 84 /* Each falign-foo can generate up to two levels of alignment: 85 -falign-foo=N:M[:N2:M2] */ 86 align_flags x_align_loops; 87 align_flags x_align_jumps; 88 align_flags x_align_labels; 89 align_flags x_align_functions; 90 }; 91 92 extern class target_flag_state default_target_flag_state; 93 #if SWITCHABLE_TARGET 94 extern class target_flag_state *this_target_flag_state; 95 #else 96 #define this_target_flag_state (&default_target_flag_state) 97 #endif 98 99 #define align_loops (this_target_flag_state->x_align_loops) 100 #define align_jumps (this_target_flag_state->x_align_jumps) 101 #define align_labels (this_target_flag_state->x_align_labels) 102 #define align_functions (this_target_flag_state->x_align_functions) 103 104 /* Returns TRUE if generated code should match ABI version N or 105 greater is in use. */ 106 107 #define abi_version_at_least(N) \ 108 (flag_abi_version == 0 || flag_abi_version >= (N)) 109 110 /* Whether to emit an overflow warning whose code is C. */ 111 #define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c)) 112 113 #endif 114 115 #endif /* ! GCC_FLAGS_H */ 116