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5f6da302 | 1 | /* toplev.h - Various declarations for functions found in toplev.c |
cd280abb | 2 | Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005 |
d9221e01 | 3 | Free Software Foundation, Inc. |
0e6f0670 | 4 | |
1322177d | 5 | This file is part of GCC. |
0e6f0670 | 6 | |
1322177d LB |
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. | |
0e6f0670 | 11 | |
1322177d LB |
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. | |
0e6f0670 JL |
16 | |
17 | You should have received a copy of the GNU General Public License | |
1322177d | 18 | along with GCC; see the file COPYING. If not, write to the Free |
366ccddb KC |
19 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
20 | 02110-1301, USA. */ | |
5f6da302 | 21 | |
88657302 RH |
22 | #ifndef GCC_TOPLEV_H |
23 | #define GCC_TOPLEV_H | |
5f6da302 | 24 | |
6f5ef761 GDR |
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 | ||
bcda12f4 SB |
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 *) | |
e25a75e6 | 35 | ATTRIBUTE_NORETURN; |
bcda12f4 | 36 | extern void _fatal_insn (const char *, rtx, const char *, int, const char *) |
e25a75e6 | 37 | ATTRIBUTE_NORETURN; |
987009bf | 38 | |
987009bf | 39 | #define fatal_insn(msgid, insn) \ |
fbfc1192 | 40 | _fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__) |
987009bf | 41 | #define fatal_insn_not_found(insn) \ |
fbfc1192 ZW |
42 | _fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__) |
43 | ||
5f1989e6 KG |
44 | /* If we haven't already defined a frontend specific diagnostics |
45 | style, use the generic one. */ | |
46 | #ifndef GCC_DIAG_STYLE | |
ea40ba9c | 47 | #define GCC_DIAG_STYLE __gcc_tdiag__ |
5f1989e6 | 48 | #endif |
749ced52 ZW |
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 | |
ea40ba9c JM |
51 | specifiers. We must use custom format checks. */ |
52 | #if GCC_VERSION >= 4001 | |
5f1989e6 KG |
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 | |
bcda12f4 | 57 | extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) |
e25a75e6 | 58 | ATTRIBUTE_NORETURN; |
ea40ba9c | 59 | extern void warning0 (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); |
b9b8dde3 | 60 | /* Pass one of the OPT_W* from options.h as the first parameter. */ |
ea40ba9c JM |
61 | extern void warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); |
62 | extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); | |
bcda12f4 | 63 | extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) |
5f1989e6 | 64 | ATTRIBUTE_NORETURN; |
ea40ba9c JM |
65 | extern void pedwarn (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); |
66 | extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); | |
bcda12f4 | 67 | extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); |
2c8b1096 | 68 | extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); |
bcda12f4 | 69 | |
0e6df31e | 70 | extern void rest_of_decl_compilation (tree, int, int); |
bcda12f4 | 71 | extern void rest_of_type_compilation (tree, int); |
0f0377f6 | 72 | extern void tree_rest_of_compilation (tree); |
ef330312 | 73 | extern void init_optimization_passes (void); |
f6db1481 RH |
74 | extern void finish_optimization_passes (void); |
75 | extern bool enable_rtl_dump_file (int); | |
bcda12f4 | 76 | |
bcda12f4 SB |
77 | extern void announce_function (tree); |
78 | ||
79 | extern void error_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); | |
80 | extern void warning_for_asm (rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); | |
81 | extern void warn_deprecated_use (tree); | |
e25a75e6 | 82 | |
50b2596f | 83 | #ifdef BUFSIZ |
e25a75e6 AJ |
84 | extern void output_quoted_string (FILE *, const char *); |
85 | extern void output_file_directive (FILE *, const char *); | |
50b2596f | 86 | #endif |
9a8b0889 | 87 | |
fa6ac85e | 88 | #ifdef BUFSIZ |
749ced52 ZW |
89 | /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and |
90 | therefore it can have ATTRIBUTE_PRINTF. */ | |
e25a75e6 AJ |
91 | extern void fnotice (FILE *, const char *, ...) |
92 | ATTRIBUTE_PRINTF_2; | |
fa6ac85e | 93 | #endif |
644f3d7e | 94 | |
db5f8b93 RH |
95 | extern void wrapup_global_declaration_1 (tree); |
96 | extern bool wrapup_global_declaration_2 (tree); | |
97 | extern bool wrapup_global_declarations (tree *, int); | |
98 | extern void check_global_declaration_1 (tree); | |
bcda12f4 | 99 | extern void check_global_declarations (tree *, int); |
db5f8b93 | 100 | extern void emit_debug_global_declarations (tree *, int); |
d1bd0ded | 101 | extern void write_global_declarations (void); |
7adfcfed | 102 | |
c07e5477 NS |
103 | /* A unique local time stamp, might be zero if none is available. */ |
104 | extern unsigned local_tick; | |
105 | ||
7adfcfed | 106 | extern const char *progname; |
b7442fb5 | 107 | extern const char *dump_base_name; |
d185d268 NB |
108 | extern const char *aux_base_name; |
109 | extern const char *aux_info_file_name; | |
110 | extern const char *asm_file_name; | |
111 | extern bool exit_after_options; | |
ea67fe71 | 112 | |
a27fb29b | 113 | extern int target_flags_explicit; |
c6991660 | 114 | |
9fb32434 CT |
115 | /* True if the user has tagged the function with the 'section' |
116 | attribute. */ | |
117 | ||
118 | extern bool user_defined_section_attribute; | |
119 | ||
de32c0cb | 120 | /* See toplev.c. */ |
de32c0cb NB |
121 | extern int flag_crossjumping; |
122 | extern int flag_if_conversion; | |
123 | extern int flag_if_conversion2; | |
de32c0cb NB |
124 | extern int flag_keep_static_consts; |
125 | extern int flag_peel_loops; | |
126 | extern int flag_rerun_cse_after_loop; | |
127 | extern int flag_thread_jumps; | |
128 | extern int flag_tracer; | |
129 | extern int flag_unroll_loops; | |
130 | extern int flag_unroll_all_loops; | |
131 | extern int flag_unswitch_loops; | |
6ff3a151 | 132 | extern int flag_cprop_registers; |
6ff3a151 | 133 | extern int time_report; |
de32c0cb | 134 | |
7bb1ad93 | 135 | /* Things to do with target switches. */ |
d185d268 | 136 | extern void print_version (FILE *, const char *); |
7bb1ad93 GK |
137 | extern void * default_get_pch_validity (size_t *); |
138 | extern const char * default_pch_valid_p (const void *, size_t); | |
d185d268 | 139 | |
2a967f3d NB |
140 | /* The hashtable, so that the C front ends can pass it to cpplib. */ |
141 | extern struct ht *ident_hash; | |
142 | ||
748d29c1 NB |
143 | /* This function can be used by targets to set the flags originally |
144 | implied by -ffast-math and -fno-fast-math. */ | |
41077ce4 | 145 | |
e25a75e6 | 146 | extern void set_fast_math_flags (int); |
de6c5979 | 147 | |
d185d268 NB |
148 | /* Handle -d switch. */ |
149 | extern void decode_d_option (const char *); | |
150 | ||
748d29c1 | 151 | /* Return true iff flags are set as if -ffast-math. */ |
e25a75e6 | 152 | extern bool fast_math_flags_set_p (void); |
de6c5979 | 153 | |
765d98c7 RH |
154 | /* Return log2, or -1 if not exact. */ |
155 | extern int exact_log2 (unsigned HOST_WIDE_INT); | |
156 | ||
157 | /* Return floor of log2, with -1 for zero. */ | |
158 | extern int floor_log2 (unsigned HOST_WIDE_INT); | |
159 | ||
160 | /* Inline versions of the above for speed. */ | |
161 | #if GCC_VERSION >= 3004 | |
162 | # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG | |
163 | # define CLZ_HWI __builtin_clzl | |
164 | # define CTZ_HWI __builtin_ctzl | |
165 | # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG | |
166 | # define CLZ_HWI __builtin_clzll | |
167 | # define CTZ_HWI __builtin_ctzll | |
168 | # else | |
169 | # define CLZ_HWI __builtin_clz | |
170 | # define CTZ_HWI __builtin_ctz | |
171 | # endif | |
172 | ||
173 | extern inline int | |
174 | floor_log2 (unsigned HOST_WIDE_INT x) | |
73d10efa | 175 | { |
765d98c7 | 176 | return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1; |
73d10efa | 177 | } |
73d10efa | 178 | |
765d98c7 RH |
179 | extern inline int |
180 | exact_log2 (unsigned HOST_WIDE_INT x) | |
181 | { | |
182 | return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1; | |
183 | } | |
184 | #endif /* GCC_VERSION >= 3004 */ | |
d6684bc8 | 185 | |
b20d9f0c AO |
186 | /* Functions used to get and set GCC's notion of in what directory |
187 | compilation was started. */ | |
188 | ||
189 | extern const char *get_src_pwd (void); | |
190 | extern bool set_src_pwd (const char *); | |
191 | ||
88657302 | 192 | #endif /* ! GCC_TOPLEV_H */ |