gcc/toplev.h

   1 /* toplev.h - Various declarations for functions found in toplev.c
   2    Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004
   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, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, 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_diag__
  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 >= 3004
  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 warning (const char *, ...);
  60 extern void error (const char *, ...);
  61 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
  62      ATTRIBUTE_NORETURN;
  63 extern void pedwarn (const char *, ...);
  64 extern void sorry (const char *, ...);
  65 extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  66
  67 extern void rest_of_decl_compilation (tree, const char *, int, int);
  68 extern void rest_of_type_compilation (tree, int);
  69 extern void rest_of_compilation (tree);
  70 extern void tree_rest_of_compilation (tree, bool);
  71 extern void init_optimization_passes (void);
  72 extern void finish_optimization_passes (void);
  73 extern bool enable_rtl_dump_file (int);
  74
  75 extern void announce_function (tree);
  76
  77 extern void error_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  78 extern void warning_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  79 extern void warn_deprecated_use (tree);
  80
  81 #ifdef BUFSIZ
  82 extern void output_quoted_string        (FILE *, const char *);
  83 extern void output_file_directive       (FILE *, const char *);
  84 #endif
  85
  86 #ifdef BUFSIZ
  87   /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
  88      therefore it can have ATTRIBUTE_PRINTF.  */
  89 extern void fnotice                     (FILE *, const char *, ...)
  90      ATTRIBUTE_PRINTF_2;
  91 #endif
  92
  93 extern int wrapup_global_declarations (tree *, int);
  94 extern void check_global_declarations (tree *, int);
  95 extern void write_global_declarations (void);
  96
  97 /* A unique local time stamp, might be zero if none is available.  */
  98 extern unsigned local_tick;
  99
 100 extern const char *progname;
 101 extern const char *dump_base_name;
 102 extern const char *aux_base_name;
 103 extern const char *aux_info_file_name;
 104 extern const char *asm_file_name;
 105 extern bool exit_after_options;
 106 extern bool version_flag;
 107
 108 extern int target_flags_explicit;
 109
 110 /* See toplev.c.  */
 111 extern int flag_loop_optimize;
 112 extern int flag_crossjumping;
 113 extern int flag_if_conversion;
 114 extern int flag_if_conversion2;
 115 extern int flag_delete_null_pointer_checks;
 116 extern int flag_keep_static_consts;
 117 extern int flag_peel_loops;
 118 extern int flag_rerun_cse_after_loop;
 119 extern int flag_thread_jumps;
 120 extern int flag_tracer;
 121 extern int flag_unroll_loops;
 122 extern int flag_unroll_all_loops;
 123 extern int flag_unswitch_loops;
 124 extern int flag_cprop_registers;
 125 extern int time_report;
 126 extern int flag_new_regalloc;
 127
 128 /* Things to do with target switches.  */
 129 extern void display_target_options (void);
 130 extern void print_version (FILE *, const char *);
 131 extern void set_target_switch (const char *);
 132 extern void * default_get_pch_validity (size_t *);
 133 extern const char * default_pch_valid_p (const void *, size_t);
 134
 135 /* The hashtable, so that the C front ends can pass it to cpplib.  */
 136 extern struct ht *ident_hash;
 137
 138 /* This function can be used by targets to set the flags originally
 139     implied by -ffast-math and -fno-fast-math.  */
 140
 141 extern void set_fast_math_flags         (int);
 142
 143 /* Handle -d switch.  */
 144 extern void decode_d_option             (const char *);
 145
 146 /* Return true iff flags are set as if -ffast-math.  */
 147 extern bool fast_math_flags_set_p       (void);
 148
 149 /* The following functions accept a wide integer argument.  Rather
 150    than having to cast on every function call, we use a macro instead.  */
 151
 152 #ifndef exact_log2
 153 #define exact_log2(N) exact_log2_wide ((unsigned HOST_WIDE_INT) (N))
 154 #define floor_log2(N) floor_log2_wide ((unsigned HOST_WIDE_INT) (N))
 155 #endif
 156 extern int exact_log2_wide             (unsigned HOST_WIDE_INT);
 157 extern int floor_log2_wide             (unsigned HOST_WIDE_INT);
 158
 159 /* Functions used to get and set GCC's notion of in what directory
 160    compilation was started.  */
 161
 162 extern const char *get_src_pwd         (void);
 163 extern bool set_src_pwd                (const char *);
 164
 165 #endif /* ! GCC_TOPLEV_H */