1 /* toplev.h - Various declarations for functions found in toplev.c
2 Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007
3 Free Software Foundation, Inc.
5 This file is part of GCC.
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 3, or (at your option) any later
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
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
25 /* If non-NULL, return one past-the-end of the matching SUBPART of
27 #define skip_leading_substring(whole, part) \
28 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
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 (const_rtx
, const char *, int, const char *)
36 extern void _fatal_insn (const char *, const_rtx
, const char *, int, const char *)
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__)
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_tdiag__
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 >= 4001
53 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
55 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
57 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
59 extern void warning0 (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
60 /* Pass one of the OPT_W* from options.h as the first parameter. */
61 extern void warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
62 extern void warning_at (location_t
, int, const char *, ...)
63 ATTRIBUTE_GCC_DIAG(3,4);
64 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
65 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
67 extern void pedwarn (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
68 extern void permerror (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
69 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
70 extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
71 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
73 extern void rest_of_decl_compilation (tree
, int, int);
74 extern void rest_of_type_compilation (tree
, int);
75 extern void tree_rest_of_compilation (tree
);
76 extern void init_optimization_passes (void);
77 extern void finish_optimization_passes (void);
78 extern bool enable_rtl_dump_file (void);
80 extern void announce_function (tree
);
82 extern void error_for_asm (const_rtx
, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
83 extern void warning_for_asm (const_rtx
, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
84 extern void warn_deprecated_use (tree
);
85 extern bool parse_optimize_options (tree
, bool);
88 extern void output_quoted_string (FILE *, const char *);
89 extern void output_file_directive (FILE *, const char *);
93 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
94 therefore it can have ATTRIBUTE_PRINTF. */
95 extern void fnotice (FILE *, const char *, ...)
99 extern void wrapup_global_declaration_1 (tree
);
100 extern bool wrapup_global_declaration_2 (tree
);
101 extern bool wrapup_global_declarations (tree
*, int);
102 extern void check_global_declaration_1 (tree
);
103 extern void check_global_declarations (tree
*, int);
104 extern void emit_debug_global_declarations (tree
*, int);
105 extern void write_global_declarations (void);
107 extern void dump_memory_report (bool);
109 extern void target_reinit (void);
111 /* A unique local time stamp, might be zero if none is available. */
112 extern unsigned local_tick
;
114 extern const char *progname
;
115 extern const char *dump_base_name
;
116 extern const char *aux_base_name
;
117 extern const char *aux_info_file_name
;
118 extern const char *profile_data_prefix
;
119 extern const char *asm_file_name
;
120 extern bool exit_after_options
;
122 /* True if the user has tagged the function with the 'section'
125 extern bool user_defined_section_attribute
;
128 extern int flag_crossjumping
;
129 extern int flag_if_conversion
;
130 extern int flag_if_conversion2
;
131 extern int flag_keep_static_consts
;
132 extern int flag_peel_loops
;
133 extern int flag_rerun_cse_after_loop
;
134 extern int flag_thread_jumps
;
135 extern int flag_tracer
;
136 extern int flag_unroll_loops
;
137 extern int flag_unroll_all_loops
;
138 extern int flag_unswitch_loops
;
139 extern int flag_cprop_registers
;
140 extern int time_report
;
142 /* Things to do with target switches. */
143 extern void print_version (FILE *, const char *);
144 extern void * default_get_pch_validity (size_t *);
145 extern const char * default_pch_valid_p (const void *, size_t);
147 /* The hashtable, so that the C front ends can pass it to cpplib. */
148 extern struct ht
*ident_hash
;
150 /* This function can be used by targets to set the flags originally
151 implied by -ffast-math and -fno-fast-math. */
153 extern void set_fast_math_flags (int);
155 extern void set_unsafe_math_optimizations_flags (int);
157 /* Handle -d switch. */
158 extern void decode_d_option (const char *);
160 /* Return true iff flags are set as if -ffast-math. */
161 extern bool fast_math_flags_set_p (void);
162 extern bool fast_math_flags_struct_set_p (struct cl_optimization
*);
164 /* Return log2, or -1 if not exact. */
165 extern int exact_log2 (unsigned HOST_WIDE_INT
);
167 /* Return floor of log2, with -1 for zero. */
168 extern int floor_log2 (unsigned HOST_WIDE_INT
);
170 /* Inline versions of the above for speed. */
171 #if GCC_VERSION >= 3004
172 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
173 # define CLZ_HWI __builtin_clzl
174 # define CTZ_HWI __builtin_ctzl
175 # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
176 # define CLZ_HWI __builtin_clzll
177 # define CTZ_HWI __builtin_ctzll
179 # define CLZ_HWI __builtin_clz
180 # define CTZ_HWI __builtin_ctz
184 floor_log2 (unsigned HOST_WIDE_INT x
)
186 return x
? HOST_BITS_PER_WIDE_INT
- 1 - (int) CLZ_HWI (x
) : -1;
190 exact_log2 (unsigned HOST_WIDE_INT x
)
192 return x
== (x
& -x
) && x
? (int) CTZ_HWI (x
) : -1;
194 #endif /* GCC_VERSION >= 3004 */
196 /* Functions used to get and set GCC's notion of in what directory
197 compilation was started. */
199 extern const char *get_src_pwd (void);
200 extern bool set_src_pwd (const char *);
202 /* Functions used to manipulate the random seed. */
204 extern const char *get_random_seed (bool);
205 extern const char *set_random_seed (const char *);
207 #endif /* ! GCC_TOPLEV_H */