toplev.h revision 1.1
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 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under 9the terms of the GNU General Public License as published by the Free 10Software Foundation; either version 3, or (at your option) any later 11version. 12 13GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14WARRANTY; without even the implied warranty of MERCHANTABILITY or 15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16for more details. 17 18You should have received a copy of the GNU General Public License 19along 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 32extern int toplev_main (int, char **); 33extern int read_integral_parameter (const char *, const char *, const int); 34extern void strip_off_ending (char *, int); 35extern const char *trim_filename (const char *); 36extern void _fatal_insn_not_found (const_rtx, const char *, int, const char *) 37 ATTRIBUTE_NORETURN; 38extern 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 59extern 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. */ 62extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 63extern bool warning_at (location_t, int, const char *, ...) 64 ATTRIBUTE_GCC_DIAG(3,4); 65extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 66extern void error_n (location_t, int, const char *, const char *, ...) 67 ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5); 68extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 69extern 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. */ 72extern bool pedwarn (location_t, int, const char *, ...) 73 ATTRIBUTE_GCC_DIAG(3,4); 74extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 75extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 76extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 77extern void inform_n (location_t, int, const char *, const char *, ...) 78 ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5); 79extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 80 81extern void rest_of_decl_compilation (tree, int, int); 82extern void rest_of_type_compilation (tree, int); 83extern void tree_rest_of_compilation (tree); 84extern void init_optimization_passes (void); 85extern void finish_optimization_passes (void); 86extern bool enable_rtl_dump_file (void); 87 88extern void announce_function (tree); 89 90extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 91extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 92extern void warn_deprecated_use (tree, tree); 93extern bool parse_optimize_options (tree, bool); 94 95#ifdef BUFSIZ 96extern void output_quoted_string (FILE *, const char *); 97extern 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. */ 103extern void fnotice (FILE *, const char *, ...) 104 ATTRIBUTE_PRINTF_2; 105#endif 106 107extern void wrapup_global_declaration_1 (tree); 108extern bool wrapup_global_declaration_2 (tree); 109extern bool wrapup_global_declarations (tree *, int); 110extern void check_global_declaration_1 (tree); 111extern void check_global_declarations (tree *, int); 112extern void emit_debug_global_declarations (tree *, int); 113extern void write_global_declarations (void); 114 115extern void dump_memory_report (bool); 116 117extern void target_reinit (void); 118 119/* A unique local time stamp, might be zero if none is available. */ 120extern unsigned local_tick; 121 122extern const char *progname; 123extern const char *dump_base_name; 124extern const char *dump_dir_name; 125extern const char *aux_base_name; 126extern const char *aux_info_file_name; 127extern const char *profile_data_prefix; 128extern const char *asm_file_name; 129extern bool exit_after_options; 130 131/* True if the user has tagged the function with the 'section' 132 attribute. */ 133 134extern bool user_defined_section_attribute; 135 136/* See toplev.c. */ 137extern int flag_crossjumping; 138extern int flag_if_conversion; 139extern int flag_if_conversion2; 140extern int flag_keep_static_consts; 141extern int flag_peel_loops; 142extern int flag_rerun_cse_after_global_opts; 143extern int flag_rerun_cse_after_loop; 144extern int flag_thread_jumps; 145extern int flag_tracer; 146extern int flag_unroll_loops; 147extern int flag_unroll_all_loops; 148extern int flag_unswitch_loops; 149extern int flag_cprop_registers; 150extern int time_report; 151extern int flag_ira_loop_pressure; 152extern int flag_ira_coalesce; 153extern int flag_ira_move_spills; 154extern int flag_ira_share_save_slots; 155extern int flag_ira_share_spill_slots; 156 157/* Things to do with target switches. */ 158extern void print_version (FILE *, const char *); 159extern void * default_get_pch_validity (size_t *); 160extern 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. */ 163extern 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 168extern void set_fast_math_flags (int); 169 170extern void set_unsafe_math_optimizations_flags (int); 171 172/* Handle -d switch. */ 173extern void decode_d_option (const char *); 174 175/* Return true iff flags are set as if -ffast-math. */ 176extern bool fast_math_flags_set_p (void); 177extern 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. */ 183extern int exact_log2 (unsigned HOST_WIDE_INT); 184 185/* Return floor of log2, with -1 for zero. */ 186extern 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 201static inline int 202floor_log2 (unsigned HOST_WIDE_INT x) 203{ 204 return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1; 205} 206 207static inline int 208exact_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 218extern const char *get_src_pwd (void); 219extern bool set_src_pwd (const char *); 220 221/* Functions used to manipulate the random seed. */ 222 223extern const char *get_random_seed (bool); 224extern const char *set_random_seed (const char *); 225 226#endif /* ! GCC_TOPLEV_H */ 227