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 /* Pass one of the OPT_W* from options.h as the first parameter. */
60 extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
61 extern bool warning_at (location_t
, int, const char *, ...)
62 ATTRIBUTE_GCC_DIAG(3,4);
63 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
64 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
66 /* Pass one of the OPT_W* from options.h as the first parameter. */
67 extern bool pedwarn (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
68 extern bool pedwarn_at (location_t
, int, const char *, ...)
69 extern bool permerror (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
70 extern bool permerror_at (location_t
, const char *, ...)
71 ATTRIBUTE_GCC_DIAG(2,3);
72 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
73 extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
74 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
76 extern void rest_of_decl_compilation (tree
, int, int);
77 extern void rest_of_type_compilation (tree
, int);
78 extern void tree_rest_of_compilation (tree
);
79 extern void init_optimization_passes (void);
80 extern void finish_optimization_passes (void);
81 extern bool enable_rtl_dump_file (void);
83 extern void announce_function (tree
);
85 extern void error_for_asm (const_rtx
, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
86 extern void warning_for_asm (const_rtx
, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
87 extern void warn_deprecated_use (tree
);
88 extern bool parse_optimize_options (tree
, bool);
91 extern void output_quoted_string (FILE *, const char *);
92 extern void output_file_directive (FILE *, const char *);
96 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
97 therefore it can have ATTRIBUTE_PRINTF. */
98 extern void fnotice (FILE *, const char *, ...)
102 extern void wrapup_global_declaration_1 (tree
);
103 extern bool wrapup_global_declaration_2 (tree
);
104 extern bool wrapup_global_declarations (tree
*, int);
105 extern void check_global_declaration_1 (tree
);
106 extern void check_global_declarations (tree
*, int);
107 extern void emit_debug_global_declarations (tree
*, int);
108 extern void write_global_declarations (void);
110 extern void dump_memory_report (bool);
112 extern void target_reinit (void);
114 /* A unique local time stamp, might be zero if none is available. */
115 extern unsigned local_tick
;
117 extern const char *progname
;
118 extern const char *dump_base_name
;
119 extern const char *aux_base_name
;
120 extern const char *aux_info_file_name
;
121 extern const char *profile_data_prefix
;
122 extern const char *asm_file_name
;
123 extern bool exit_after_options
;
125 /* True if the user has tagged the function with the 'section'
128 extern bool user_defined_section_attribute
;
131 extern int flag_crossjumping
;
132 extern int flag_if_conversion
;
133 extern int flag_if_conversion2
;
134 extern int flag_keep_static_consts
;
135 extern int flag_peel_loops
;
136 extern int flag_rerun_cse_after_loop
;
137 extern int flag_thread_jumps
;
138 extern int flag_tracer
;
139 extern int flag_unroll_loops
;
140 extern int flag_unroll_all_loops
;
141 extern int flag_unswitch_loops
;
142 extern int flag_cprop_registers
;
143 extern int time_report
;
145 /* Things to do with target switches. */
146 extern void print_version (FILE *, const char *);
147 extern void * default_get_pch_validity (size_t *);
148 extern const char * default_pch_valid_p (const void *, size_t);
150 /* The hashtable, so that the C front ends can pass it to cpplib. */
151 extern struct ht
*ident_hash
;
153 /* This function can be used by targets to set the flags originally
154 implied by -ffast-math and -fno-fast-math. */
156 extern void set_fast_math_flags (int);
158 extern void set_unsafe_math_optimizations_flags (int);
160 /* Handle -d switch. */
161 extern void decode_d_option (const char *);
163 /* Return true iff flags are set as if -ffast-math. */
164 extern bool fast_math_flags_set_p (void);
165 extern bool fast_math_flags_struct_set_p (struct cl_optimization
*);
167 /* Return log2, or -1 if not exact. */
168 extern int exact_log2 (unsigned HOST_WIDE_INT
);
170 /* Return floor of log2, with -1 for zero. */
171 extern int floor_log2 (unsigned HOST_WIDE_INT
);
173 /* Inline versions of the above for speed. */
174 #if GCC_VERSION >= 3004
175 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
176 # define CLZ_HWI __builtin_clzl
177 # define CTZ_HWI __builtin_ctzl
178 # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
179 # define CLZ_HWI __builtin_clzll
180 # define CTZ_HWI __builtin_ctzll
182 # define CLZ_HWI __builtin_clz
183 # define CTZ_HWI __builtin_ctz
187 floor_log2 (unsigned HOST_WIDE_INT x
)
189 return x
? HOST_BITS_PER_WIDE_INT
- 1 - (int) CLZ_HWI (x
) : -1;
193 exact_log2 (unsigned HOST_WIDE_INT x
)
195 return x
== (x
& -x
) && x
? (int) CTZ_HWI (x
) : -1;
197 #endif /* GCC_VERSION >= 3004 */
199 /* Functions used to get and set GCC's notion of in what directory
200 compilation was started. */
202 extern const char *get_src_pwd (void);
203 extern bool set_src_pwd (const char *);
205 /* Functions used to manipulate the random seed. */
207 extern const char *get_random_seed (bool);
208 extern const char *set_random_seed (const char *);
210 #endif /* ! GCC_TOPLEV_H */