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