1 /* toplev.h - Various declarations for functions found in toplev.c 2 Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 3 2008, 2009, 2010 4 Free Software Foundation, Inc. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 #ifndef GCC_TOPLEV_H 23 #define GCC_TOPLEV_H 24 #include "input.h" 25 #include "bversion.h" 26 27 /* If non-NULL, return one past-the-end of the matching SUBPART of 28 the WHOLE string. */ 29 #define skip_leading_substring(whole, part) \ 30 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part)) 31 32 extern int toplev_main (int, char **); 33 extern int read_integral_parameter (const char *, const char *, const int); 34 extern void strip_off_ending (char *, int); 35 extern const char *trim_filename (const char *); 36 extern void _fatal_insn_not_found (const_rtx, const char *, int, const char *) 37 ATTRIBUTE_NORETURN; 38 extern void _fatal_insn (const char *, const_rtx, const char *, int, const char *) 39 ATTRIBUTE_NORETURN; 40 41 #define fatal_insn(msgid, insn) \ 42 _fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__) 43 #define fatal_insn_not_found(insn) \ 44 _fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__) 45 46 /* If we haven't already defined a frontend specific diagnostics 47 style, use the generic one. */ 48 #ifndef GCC_DIAG_STYLE 49 #define GCC_DIAG_STYLE __gcc_tdiag__ 50 #endif 51 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because 52 each language front end can extend them with its own set of format 53 specifiers. We must use custom format checks. */ 54 #if (ENABLE_CHECKING && GCC_VERSION >= 4001) || GCC_VERSION == BUILDING_GCC_VERSION 55 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m) 56 #else 57 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m) 58 #endif 59 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) 60 ATTRIBUTE_NORETURN; 61 /* Pass one of the OPT_W* from options.h as the first parameter. */ 62 extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 63 extern bool warning_at (location_t, int, const char *, ...) 64 ATTRIBUTE_GCC_DIAG(3,4); 65 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 66 extern void error_n (location_t, int, const char *, const char *, ...) 67 ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5); 68 extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 69 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) 70 ATTRIBUTE_NORETURN; 71 /* Pass one of the OPT_W* from options.h as the second parameter. */ 72 extern bool pedwarn (location_t, int, const char *, ...) 73 ATTRIBUTE_GCC_DIAG(3,4); 74 extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 75 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 76 extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 77 extern void inform_n (location_t, int, const char *, const char *, ...) 78 ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5); 79 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 80 81 extern void rest_of_decl_compilation (tree, int, int); 82 extern void rest_of_type_compilation (tree, int); 83 extern void tree_rest_of_compilation (tree); 84 extern void init_optimization_passes (void); 85 extern void finish_optimization_passes (void); 86 extern bool enable_rtl_dump_file (void); 87 88 extern void announce_function (tree); 89 90 extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 91 extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 92 extern void warn_deprecated_use (tree, tree); 93 extern bool parse_optimize_options (tree, bool); 94 95 #ifdef BUFSIZ 96 extern void output_quoted_string (FILE *, const char *); 97 extern void output_file_directive (FILE *, const char *); 98 #endif 99 100 #ifdef BUFSIZ 101 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and 102 therefore it can have ATTRIBUTE_PRINTF. */ 103 extern void fnotice (FILE *, const char *, ...) 104 ATTRIBUTE_PRINTF_2; 105 #endif 106 107 extern void wrapup_global_declaration_1 (tree); 108 extern bool wrapup_global_declaration_2 (tree); 109 extern bool wrapup_global_declarations (tree *, int); 110 extern void check_global_declaration_1 (tree); 111 extern void check_global_declarations (tree *, int); 112 extern void emit_debug_global_declarations (tree *, int); 113 extern void write_global_declarations (void); 114 115 extern void dump_memory_report (bool); 116 117 extern void target_reinit (void); 118 119 /* A unique local time stamp, might be zero if none is available. */ 120 extern unsigned local_tick; 121 122 extern const char *progname; 123 extern const char *dump_base_name; 124 extern const char *dump_dir_name; 125 extern const char *aux_base_name; 126 extern const char *aux_info_file_name; 127 extern const char *profile_data_prefix; 128 extern const char *asm_file_name; 129 extern bool exit_after_options; 130 131 /* True if the user has tagged the function with the 'section' 132 attribute. */ 133 134 extern bool user_defined_section_attribute; 135 136 /* See toplev.c. */ 137 extern int flag_crossjumping; 138 extern int flag_if_conversion; 139 extern int flag_if_conversion2; 140 extern int flag_keep_static_consts; 141 extern int flag_peel_loops; 142 extern int flag_rerun_cse_after_global_opts; 143 extern int flag_rerun_cse_after_loop; 144 extern int flag_thread_jumps; 145 extern int flag_tracer; 146 extern int flag_unroll_loops; 147 extern int flag_unroll_all_loops; 148 extern int flag_unswitch_loops; 149 extern int flag_cprop_registers; 150 extern int time_report; 151 extern int flag_ira_loop_pressure; 152 extern int flag_ira_coalesce; 153 extern int flag_ira_move_spills; 154 extern int flag_ira_share_save_slots; 155 extern int flag_ira_share_spill_slots; 156 157 /* Things to do with target switches. */ 158 extern void print_version (FILE *, const char *); 159 extern void * default_get_pch_validity (size_t *); 160 extern const char * default_pch_valid_p (const void *, size_t); 161 162 /* The hashtable, so that the C front ends can pass it to cpplib. */ 163 extern struct ht *ident_hash; 164 165 /* This function can be used by targets to set the flags originally 166 implied by -ffast-math and -fno-fast-math. */ 167 168 extern void set_fast_math_flags (int); 169 170 extern void set_unsafe_math_optimizations_flags (int); 171 172 /* Handle -d switch. */ 173 extern void decode_d_option (const char *); 174 175 /* Return true iff flags are set as if -ffast-math. */ 176 extern bool fast_math_flags_set_p (void); 177 extern bool fast_math_flags_struct_set_p (struct cl_optimization *); 178 179 /* Inline versions of the above for speed. */ 180 #if GCC_VERSION < 3004 181 182 /* Return log2, or -1 if not exact. */ 183 extern int exact_log2 (unsigned HOST_WIDE_INT); 184 185 /* Return floor of log2, with -1 for zero. */ 186 extern int floor_log2 (unsigned HOST_WIDE_INT); 187 188 #else /* GCC_VERSION >= 3004 */ 189 190 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG 191 # define CLZ_HWI __builtin_clzl 192 # define CTZ_HWI __builtin_ctzl 193 # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG 194 # define CLZ_HWI __builtin_clzll 195 # define CTZ_HWI __builtin_ctzll 196 # else 197 # define CLZ_HWI __builtin_clz 198 # define CTZ_HWI __builtin_ctz 199 # endif 200 201 static inline int 202 floor_log2 (unsigned HOST_WIDE_INT x) 203 { 204 return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1; 205 } 206 207 static inline int 208 exact_log2 (unsigned HOST_WIDE_INT x) 209 { 210 return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1; 211 } 212 213 #endif /* GCC_VERSION >= 3004 */ 214 215 /* Functions used to get and set GCC's notion of in what directory 216 compilation was started. */ 217 218 extern const char *get_src_pwd (void); 219 extern bool set_src_pwd (const char *); 220 221 /* Functions used to manipulate the random seed. */ 222 223 extern const char *get_random_seed (bool); 224 extern const char *set_random_seed (const char *); 225 226 #endif /* ! GCC_TOPLEV_H */ 227