1 /* toplev.h - Various declarations for functions found in toplev.c 2 Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005 3 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 2, 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 COPYING. If not, write to the Free 19 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 20 02110-1301, USA. */ 21 22 #ifndef GCC_TOPLEV_H 23 #define GCC_TOPLEV_H 24 25 /* If non-NULL, return one past-the-end of the matching SUBPART of 26 the WHOLE string. */ 27 #define skip_leading_substring(whole, part) \ 28 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part)) 29 30 extern int toplev_main (unsigned int, const char **); 31 extern int read_integral_parameter (const char *, const char *, const int); 32 extern void strip_off_ending (char *, int); 33 extern const char *trim_filename (const char *); 34 extern void _fatal_insn_not_found (rtx, const char *, int, const char *) 35 ATTRIBUTE_NORETURN; 36 extern void _fatal_insn (const char *, rtx, const char *, int, const char *) 37 ATTRIBUTE_NORETURN; 38 39 #define fatal_insn(msgid, insn) \ 40 _fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__) 41 #define fatal_insn_not_found(insn) \ 42 _fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__) 43 44 /* If we haven't already defined a frontend specific diagnostics 45 style, use the generic one. */ 46 #ifndef GCC_DIAG_STYLE 47 #define GCC_DIAG_STYLE __gcc_tdiag__ 48 #endif 49 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because 50 each language front end can extend them with its own set of format 51 specifiers. We must use custom format checks. */ 52 #if GCC_VERSION >= 4001 53 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m) 54 #else 55 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m) 56 #endif 57 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) 58 ATTRIBUTE_NORETURN; 59 extern void warning0 (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 60 /* Pass one of the OPT_W* from options.h as the first parameter. */ 61 extern void warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 62 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 63 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) 64 ATTRIBUTE_NORETURN; 65 extern void pedwarn (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 66 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 67 extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 68 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 69 70 extern void rest_of_decl_compilation (tree, int, int); 71 extern void rest_of_type_compilation (tree, int); 72 extern void tree_rest_of_compilation (tree); 73 extern void init_optimization_passes (void); 74 extern void finish_optimization_passes (void); 75 extern bool enable_rtl_dump_file (int); 76 77 extern void announce_function (tree); 78 79 extern void error_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 80 extern void warning_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 81 extern void warn_deprecated_use (tree); 82 83 #ifdef BUFSIZ 84 extern void output_quoted_string (FILE *, const char *); 85 extern void output_file_directive (FILE *, const char *); 86 #endif 87 88 #ifdef BUFSIZ 89 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and 90 therefore it can have ATTRIBUTE_PRINTF. */ 91 extern void fnotice (FILE *, const char *, ...) 92 ATTRIBUTE_PRINTF_2; 93 #endif 94 95 extern void wrapup_global_declaration_1 (tree); 96 extern bool wrapup_global_declaration_2 (tree); 97 extern bool wrapup_global_declarations (tree *, int); 98 extern void check_global_declaration_1 (tree); 99 extern void check_global_declarations (tree *, int); 100 extern void emit_debug_global_declarations (tree *, int); 101 extern void write_global_declarations (void); 102 103 /* A unique local time stamp, might be zero if none is available. */ 104 extern unsigned local_tick; 105 106 extern const char *progname; 107 extern const char *dump_base_name; 108 extern const char *aux_base_name; 109 extern const char *aux_info_file_name; 110 extern const char *asm_file_name; 111 extern bool exit_after_options; 112 113 extern int target_flags_explicit; 114 115 /* True if the user has tagged the function with the 'section' 116 attribute. */ 117 118 extern bool user_defined_section_attribute; 119 120 /* See toplev.c. */ 121 extern int flag_crossjumping; 122 extern int flag_if_conversion; 123 extern int flag_if_conversion2; 124 extern int flag_keep_static_consts; 125 extern int flag_peel_loops; 126 extern int flag_rerun_cse_after_loop; 127 extern int flag_thread_jumps; 128 extern int flag_tracer; 129 extern int flag_unroll_loops; 130 extern int flag_unroll_all_loops; 131 extern int flag_unswitch_loops; 132 extern int flag_cprop_registers; 133 extern int time_report; 134 135 /* Things to do with target switches. */ 136 extern void print_version (FILE *, const char *); 137 extern void * default_get_pch_validity (size_t *); 138 extern const char * default_pch_valid_p (const void *, size_t); 139 140 /* The hashtable, so that the C front ends can pass it to cpplib. */ 141 extern struct ht *ident_hash; 142 143 /* This function can be used by targets to set the flags originally 144 implied by -ffast-math and -fno-fast-math. */ 145 146 extern void set_fast_math_flags (int); 147 148 /* Handle -d switch. */ 149 extern void decode_d_option (const char *); 150 151 /* Return true iff flags are set as if -ffast-math. */ 152 extern bool fast_math_flags_set_p (void); 153 154 /* Return log2, or -1 if not exact. */ 155 extern int exact_log2 (unsigned HOST_WIDE_INT); 156 157 /* Return floor of log2, with -1 for zero. */ 158 extern int floor_log2 (unsigned HOST_WIDE_INT); 159 160 /* Inline versions of the above for speed. */ 161 #if GCC_VERSION >= 3004 162 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG 163 # define CLZ_HWI __builtin_clzl 164 # define CTZ_HWI __builtin_ctzl 165 # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG 166 # define CLZ_HWI __builtin_clzll 167 # define CTZ_HWI __builtin_ctzll 168 # else 169 # define CLZ_HWI __builtin_clz 170 # define CTZ_HWI __builtin_ctz 171 # endif 172 173 extern inline int 174 floor_log2 (unsigned HOST_WIDE_INT x) 175 { 176 return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1; 177 } 178 179 extern inline int 180 exact_log2 (unsigned HOST_WIDE_INT x) 181 { 182 return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1; 183 } 184 #endif /* GCC_VERSION >= 3004 */ 185 186 /* Functions used to get and set GCC's notion of in what directory 187 compilation was started. */ 188 189 extern const char *get_src_pwd (void); 190 extern bool set_src_pwd (const char *); 191 192 #endif /* ! GCC_TOPLEV_H */ 193