gcc/toplev.h

   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 */