1 /* toplev.h - Various declarations for functions found in toplev.c
2 Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007,
4 Free Software Foundation, Inc.
6 This file is part of GCC.
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
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
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/>. */
27 /* If non-NULL, return one past-the-end of the matching SUBPART of
29 #define skip_leading_substring(whole, part) \
30 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
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 *)
38 extern void _fatal_insn (const char *, const_rtx, const char *, int, const char *)
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__)
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__
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)
57 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
59 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
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_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
67 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
69 /* Pass one of the OPT_W* from options.h as the second parameter. */
70 extern bool pedwarn (location_t, int, const char *, ...)
71 ATTRIBUTE_GCC_DIAG(3,4);
72 extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
73 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
74 extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
75 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
77 extern void rest_of_decl_compilation (tree, int, int);
78 extern void rest_of_type_compilation (tree, int);
79 extern void tree_rest_of_compilation (tree);
80 extern void init_optimization_passes (void);
81 extern void finish_optimization_passes (void);
82 extern bool enable_rtl_dump_file (void);
84 extern void announce_function (tree);
86 extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
87 extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
88 extern void warn_deprecated_use (tree, tree);
89 extern bool parse_optimize_options (tree, bool);
92 extern void output_quoted_string (FILE *, const char *);
93 extern void output_file_directive (FILE *, const char *);
97 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
98 therefore it can have ATTRIBUTE_PRINTF. */
99 extern void fnotice (FILE *, const char *, ...)
103 extern void wrapup_global_declaration_1 (tree);
104 extern bool wrapup_global_declaration_2 (tree);
105 extern bool wrapup_global_declarations (tree *, int);
106 extern void check_global_declaration_1 (tree);
107 extern void check_global_declarations (tree *, int);
108 extern void emit_debug_global_declarations (tree *, int);
109 extern void write_global_declarations (void);
111 extern void dump_memory_report (bool);
113 extern void target_reinit (void);
115 /* A unique local time stamp, might be zero if none is available. */
116 extern unsigned local_tick;
118 extern const char *progname;
119 extern const char *dump_base_name;
120 extern const char *dump_dir_name;
121 extern const char *aux_base_name;
122 extern const char *aux_info_file_name;
123 extern const char *profile_data_prefix;
124 extern const char *asm_file_name;
125 extern bool exit_after_options;
127 /* True if the user has tagged the function with the 'section'
130 extern bool user_defined_section_attribute;
133 extern int flag_crossjumping;
134 extern int flag_if_conversion;
135 extern int flag_if_conversion2;
136 extern int flag_keep_static_consts;
137 extern int flag_peel_loops;
138 extern int flag_rerun_cse_after_global_opts;
139 extern int flag_rerun_cse_after_loop;
140 extern int flag_thread_jumps;
141 extern int flag_tracer;
142 extern int flag_unroll_loops;
143 extern int flag_unroll_all_loops;
144 extern int flag_unswitch_loops;
145 extern int flag_cprop_registers;
146 extern int time_report;
147 extern int flag_ira_loop_pressure;
148 extern int flag_ira_coalesce;
149 extern int flag_ira_move_spills;
150 extern int flag_ira_share_save_slots;
151 extern int flag_ira_share_spill_slots;
153 /* Things to do with target switches. */
154 extern void print_version (FILE *, const char *);
155 extern void * default_get_pch_validity (size_t *);
156 extern const char * default_pch_valid_p (const void *, size_t);
158 /* The hashtable, so that the C front ends can pass it to cpplib. */
159 extern struct ht *ident_hash;
161 /* This function can be used by targets to set the flags originally
162 implied by -ffast-math and -fno-fast-math. */
164 extern void set_fast_math_flags (int);
166 extern void set_unsafe_math_optimizations_flags (int);
168 /* Handle -d switch. */
169 extern void decode_d_option (const char *);
171 /* Return true iff flags are set as if -ffast-math. */
172 extern bool fast_math_flags_set_p (void);
173 extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
175 /* Inline versions of the above for speed. */
176 #if GCC_VERSION < 3004
178 /* Return log2, or -1 if not exact. */
179 extern int exact_log2 (unsigned HOST_WIDE_INT);
181 /* Return floor of log2, with -1 for zero. */
182 extern int floor_log2 (unsigned HOST_WIDE_INT);
184 #else /* GCC_VERSION >= 3004 */
186 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
187 # define CLZ_HWI __builtin_clzl
188 # define CTZ_HWI __builtin_ctzl
189 # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
190 # define CLZ_HWI __builtin_clzll
191 # define CTZ_HWI __builtin_ctzll
193 # define CLZ_HWI __builtin_clz
194 # define CTZ_HWI __builtin_ctz
198 floor_log2 (unsigned HOST_WIDE_INT x)
200 return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
204 exact_log2 (unsigned HOST_WIDE_INT x)
206 return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
209 #endif /* GCC_VERSION >= 3004 */
211 /* Functions used to get and set GCC's notion of in what directory
212 compilation was started. */
214 extern const char *get_src_pwd (void);
215 extern bool set_src_pwd (const char *);
217 /* Functions used to manipulate the random seed. */
219 extern const char *get_random_seed (bool);
220 extern const char *set_random_seed (const char *);
222 #endif /* ! GCC_TOPLEV_H */