gcc/toplev.h

   1 /* toplev.h - Various declarations for functions found in toplev.c
   2    Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 2, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to the Free
  18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 #ifndef GCC_TOPLEV_H
  22 #define GCC_TOPLEV_H
  23
  24 /* If non-NULL, return one past-the-end of the matching SUBPART of
  25    the WHOLE string.  */
  26 #define skip_leading_substring(whole,  part) \
  27    (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
  28
  29 extern int toplev_main (unsigned int, const char **);
  30 extern int read_integral_parameter (const char *, const char *, const int);
  31 extern void strip_off_ending (char *, int);
  32 extern const char *trim_filename (const char *);
  33 extern void _fatal_insn_not_found (rtx, const char *, int, const char *)
  34      ATTRIBUTE_NORETURN;
  35 extern void _fatal_insn (const char *, rtx, const char *, int, const char *)
  36      ATTRIBUTE_NORETURN;
  37
  38 #define fatal_insn(msgid, insn) \
  39         _fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__)
  40 #define fatal_insn_not_found(insn) \
  41         _fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__)
  42
  43 /* If we haven't already defined a frontend specific diagnostics
  44    style, use the generic one.  */
  45 #ifndef GCC_DIAG_STYLE
  46 #define GCC_DIAG_STYLE __gcc_diag__
  47 #endif
  48 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because
  49    each language front end can extend them with its own set of format
  50    specifiers.  We must use custom format checks.  */
  51 #if GCC_VERSION >= 3004
  52 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
  53 #else
  54 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
  55 #endif
  56 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
  57      ATTRIBUTE_NORETURN;
  58 extern void warning (const char *, ...);
  59 extern void error (const char *, ...);
  60 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
  61      ATTRIBUTE_NORETURN;
  62 extern void pedwarn (const char *, ...);
  63 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  64 extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  65
  66 extern void rest_of_decl_compilation (tree, const char *, int, int);
  67 extern void rest_of_type_compilation (tree, int);
  68 extern void rest_of_compilation (tree);
  69 extern void tree_rest_of_compilation (tree, bool);
  70
  71 extern void announce_function (tree);
  72
  73 extern void error_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  74 extern void warning_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  75 extern void warn_deprecated_use (tree);
  76
  77 #ifdef BUFSIZ
  78 extern void output_quoted_string        (FILE *, const char *);
  79 extern void output_file_directive       (FILE *, const char *);
  80 #endif
  81
  82 #ifdef BUFSIZ
  83   /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
  84      therefore it can have ATTRIBUTE_PRINTF.  */
  85 extern void fnotice                     (FILE *, const char *, ...)
  86      ATTRIBUTE_PRINTF_2;
  87 #endif
  88
  89 extern int wrapup_global_declarations (tree *, int);
  90 extern void check_global_declarations (tree *, int);
  91 extern void write_global_declarations (void);
  92
  93 /* A unique local time stamp, might be zero if none is available.  */
  94 extern unsigned local_tick;
  95
  96 extern const char *progname;
  97 extern const char *dump_base_name;
  98 extern const char *aux_base_name;
  99 extern const char *aux_info_file_name;
 100 extern const char *asm_file_name;
 101 extern bool exit_after_options;
 102 extern bool version_flag;
 103
 104 extern int target_flags_explicit;
 105
 106 /* See toplev.c.  */
 107 extern int flag_loop_optimize;
 108 extern int flag_crossjumping;
 109 extern int flag_if_conversion;
 110 extern int flag_if_conversion2;
 111 extern int flag_delete_null_pointer_checks;
 112 extern int flag_keep_static_consts;
 113 extern int flag_peel_loops;
 114 extern int flag_rerun_cse_after_loop;
 115 extern int flag_thread_jumps;
 116 extern int flag_tracer;
 117 extern int flag_unroll_loops;
 118 extern int flag_unroll_all_loops;
 119 extern int flag_unswitch_loops;
 120 extern int flag_cprop_registers;
 121 extern int flag_ssa;
 122 extern int flag_ssa_ccp;
 123 extern int flag_ssa_dce;
 124 extern int time_report;
 125 extern int flag_new_regalloc;
 126
 127 /* Things to do with target switches.  */
 128 extern void display_target_options (void);
 129 extern void print_version (FILE *, const char *);
 130 extern void set_target_switch (const char *);
 131 extern void * default_get_pch_validity (size_t *);
 132 extern const char * default_pch_valid_p (const void *, size_t);
 133
 134 /* The hashtable, so that the C front ends can pass it to cpplib.  */
 135 extern struct ht *ident_hash;
 136
 137 /* This function can be used by targets to set the flags originally
 138     implied by -ffast-math and -fno-fast-math.  */
 139
 140 extern void set_fast_math_flags         (int);
 141
 142 /* Handle -d switch.  */
 143 extern void decode_d_option             (const char *);
 144
 145 /* Return true iff flags are set as if -ffast-math.  */
 146 extern bool fast_math_flags_set_p       (void);
 147
 148 /* The following functions accept a wide integer argument.  Rather
 149    than having to cast on every function call, we use a macro instead.  */
 150
 151 #ifndef exact_log2
 152 #define exact_log2(N) exact_log2_wide ((unsigned HOST_WIDE_INT) (N))
 153 #define floor_log2(N) floor_log2_wide ((unsigned HOST_WIDE_INT) (N))
 154 #endif
 155 extern int exact_log2_wide             (unsigned HOST_WIDE_INT);
 156 extern int floor_log2_wide             (unsigned HOST_WIDE_INT);
 157
 158 /* Functions used to get and set GCC's notion of in what directory
 159    compilation was started.  */
 160
 161 extern const char *get_src_pwd         (void);
 162 extern bool set_src_pwd                (const char *);
 163
 164 #endif /* ! GCC_TOPLEV_H */