Mercurial > hg > CbC > CbC_gcc
annotate gcc/debug.h @ 55:77e2b8dfacca gcc-4.4.5
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author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | 855418dad1a3 |
children | f6334be47118 |
rev | line source |
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0 | 1 /* Debug hooks for GCC. |
2 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008 | |
3 Free Software Foundation, Inc. | |
4 | |
5 This program is free software; you can redistribute it and/or modify it | |
6 under the terms of the GNU General Public License as published by the | |
7 Free Software Foundation; either version 3, or (at your option) any | |
8 later version. | |
9 | |
10 This program is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 GNU General Public License for more details. | |
14 | |
15 You should have received a copy of the GNU General Public License | |
16 along with this program; see the file COPYING3. If not see | |
17 <http://www.gnu.org/licenses/>. */ | |
18 | |
19 #ifndef GCC_DEBUG_H | |
20 #define GCC_DEBUG_H | |
21 | |
22 /* This structure contains hooks for the debug information output | |
23 functions, accessed through the global instance debug_hooks set in | |
24 toplev.c according to command line options. */ | |
25 struct gcc_debug_hooks | |
26 { | |
27 /* Initialize debug output. MAIN_FILENAME is the name of the main | |
28 input file. */ | |
29 void (* init) (const char *main_filename); | |
30 | |
31 /* Output debug symbols. */ | |
32 void (* finish) (const char *main_filename); | |
33 | |
36 | 34 /* Called from cgraph_optimize before starting to assemble |
35 functions/variables/toplevel asms. */ | |
36 void (* assembly_start) (void); | |
37 | |
0 | 38 /* Macro defined on line LINE with name and expansion TEXT. */ |
39 void (* define) (unsigned int line, const char *text); | |
40 | |
41 /* MACRO undefined on line LINE. */ | |
42 void (* undef) (unsigned int line, const char *macro); | |
43 | |
44 /* Record the beginning of a new source file FILE from LINE number | |
45 in the previous one. */ | |
46 void (* start_source_file) (unsigned int line, const char *file); | |
47 | |
48 /* Record the resumption of a source file. LINE is the line number | |
49 in the source file we are returning to. */ | |
50 void (* end_source_file) (unsigned int line); | |
51 | |
52 /* Record the beginning of block N, counting from 1 and not | |
53 including the function-scope block, at LINE. */ | |
54 void (* begin_block) (unsigned int line, unsigned int n); | |
55 | |
56 /* Record the end of a block. Arguments as for begin_block. */ | |
57 void (* end_block) (unsigned int line, unsigned int n); | |
58 | |
59 /* Returns nonzero if it is appropriate not to emit any debugging | |
60 information for BLOCK, because it doesn't contain any | |
61 instructions. This may not be the case for blocks containing | |
62 nested functions, since we may actually call such a function even | |
63 though the BLOCK information is messed up. Defaults to true. */ | |
64 bool (* ignore_block) (const_tree); | |
65 | |
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66 /* Record a source file location at (FILE, LINE, DISCRIMINATOR). */ |
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67 void (* source_line) (unsigned int line, const char *file, |
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68 int discriminator, bool is_stmt); |
0 | 69 |
70 /* Called at start of prologue code. LINE is the first line in the | |
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71 function. */ |
0 | 72 void (* begin_prologue) (unsigned int line, const char *file); |
73 | |
74 /* Called at end of prologue code. LINE is the first line in the | |
75 function. */ | |
76 void (* end_prologue) (unsigned int line, const char *file); | |
77 | |
78 /* Record end of epilogue code. */ | |
79 void (* end_epilogue) (unsigned int line, const char *file); | |
80 | |
81 /* Called at start of function DECL, before it is declared. */ | |
82 void (* begin_function) (tree decl); | |
83 | |
84 /* Record end of function. LINE is highest line number in function. */ | |
85 void (* end_function) (unsigned int line); | |
86 | |
87 /* Debug information for a function DECL. This might include the | |
88 function name (a symbol), its parameters, and the block that | |
89 makes up the function's body, and the local variables of the | |
90 function. */ | |
91 void (* function_decl) (tree decl); | |
92 | |
93 /* Debug information for a global DECL. Called from toplev.c after | |
94 compilation proper has finished. */ | |
95 void (* global_decl) (tree decl); | |
96 | |
97 /* Debug information for a type DECL. Called from toplev.c after | |
98 compilation proper, also from various language front ends to | |
99 record built-in types. The second argument is properly a | |
100 boolean, which indicates whether or not the type is a "local" | |
101 type as determined by the language. (It's not a boolean for | |
102 legacy reasons.) */ | |
103 void (* type_decl) (tree decl, int local); | |
104 | |
105 /* Debug information for imported modules and declarations. */ | |
106 void (* imported_module_or_decl) (tree decl, tree name, | |
107 tree context, bool child); | |
108 | |
109 /* DECL is an inline function, whose body is present, but which is | |
110 not being output at this point. */ | |
111 void (* deferred_inline_function) (tree decl); | |
112 | |
113 /* DECL is an inline function which is about to be emitted out of | |
114 line. The hook is useful to, e.g., emit abstract debug info for | |
115 the inline before it gets mangled by optimization. */ | |
116 void (* outlining_inline_function) (tree decl); | |
117 | |
118 /* Called from final_scan_insn for any CODE_LABEL insn whose | |
119 LABEL_NAME is non-null. */ | |
120 void (* label) (rtx); | |
121 | |
122 /* Called after the start and before the end of writing a PCH file. | |
123 The parameter is 0 if after the start, 1 if before the end. */ | |
124 void (* handle_pch) (unsigned int); | |
125 | |
126 /* Called from final_scan_insn for any NOTE_INSN_VAR_LOCATION note. */ | |
127 void (* var_location) (rtx); | |
128 | |
129 /* Called from final_scan_insn if there is a switch between hot and cold | |
130 text sections. */ | |
131 void (* switch_text_section) (void); | |
132 | |
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133 /* Records a direct call to the function DECL, noting the point of call |
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134 and the debug info for the function. Called from final_scan_insn |
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135 when ICF debugging is enabled. */ |
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136 void (* direct_call) (tree decl); |
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137 |
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138 /* Records the OBJ_TYPE_REF_TOKEN for a virtual call through ADDR, which |
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139 for C++ is the vtable slot index, noting the INSN_UID for the call |
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140 instruction. Called from calls.c:emit_call_1 when ICF debugging is |
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141 enabled. It's necessary to do this during lowering because the |
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142 call instruction and the OBJ_TYPE_REF become separated after that |
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143 point. */ |
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144 void (* virtual_call_token) (tree addr, int insn_uid); |
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145 |
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146 /* Copies the OBJ_TYPE_REF_TOKEN for a virtual call from OLD_INSN to |
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147 NEW_INSN. Called from emit-rtl.c:try_split when a CALL_INSN is |
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148 split, so that the vtable slot index remains associated with the |
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149 new CALL_INSN. */ |
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150 void (* copy_call_info) (rtx old_insn, rtx new_insn); |
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151 |
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152 /* Records a virtual call given INSN_UID, which is the UID of the call |
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153 instruction. The UID is then mapped to the vtable slot index noted |
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154 during the lowering phase. Called from final_scan_insn when ICF |
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155 debugging is enabled. */ |
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156 void (* virtual_call) (int insn_uid); |
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157 |
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158 /* Called from grokdeclarator. Replaces the anonymous name with the |
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159 type name. */ |
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160 void (* set_name) (tree, tree); |
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161 |
0 | 162 /* This is 1 if the debug writer wants to see start and end commands for the |
163 main source files, and 0 otherwise. */ | |
164 int start_end_main_source_file; | |
165 }; | |
166 | |
167 extern const struct gcc_debug_hooks *debug_hooks; | |
168 | |
169 /* The do-nothing hooks. */ | |
170 extern void debug_nothing_void (void); | |
171 extern void debug_nothing_charstar (const char *); | |
172 extern void debug_nothing_int_charstar (unsigned int, const char *); | |
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173 extern void debug_nothing_int_charstar_int_bool (unsigned int, const char *, |
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174 int, bool); |
0 | 175 extern void debug_nothing_int (unsigned int); |
176 extern void debug_nothing_int_int (unsigned int, unsigned int); | |
177 extern void debug_nothing_tree (tree); | |
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178 extern void debug_nothing_tree_tree (tree, tree); |
0 | 179 extern void debug_nothing_tree_int (tree, int); |
180 extern void debug_nothing_tree_tree_tree_bool (tree, tree, tree, bool); | |
181 extern bool debug_true_const_tree (const_tree); | |
182 extern void debug_nothing_rtx (rtx); | |
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183 extern void debug_nothing_rtx_rtx (rtx, rtx); |
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184 extern void debug_nothing_uid (int); |
0 | 185 |
186 /* Hooks for various debug formats. */ | |
187 extern const struct gcc_debug_hooks do_nothing_debug_hooks; | |
188 extern const struct gcc_debug_hooks dbx_debug_hooks; | |
189 extern const struct gcc_debug_hooks sdb_debug_hooks; | |
190 extern const struct gcc_debug_hooks xcoff_debug_hooks; | |
191 extern const struct gcc_debug_hooks dwarf2_debug_hooks; | |
192 extern const struct gcc_debug_hooks vmsdbg_debug_hooks; | |
193 | |
194 /* Dwarf2 frame information. */ | |
195 | |
196 extern void dwarf2out_begin_prologue (unsigned int, const char *); | |
197 extern void dwarf2out_end_epilogue (unsigned int, const char *); | |
198 extern void dwarf2out_frame_init (void); | |
199 extern void dwarf2out_frame_finish (void); | |
200 /* Decide whether we want to emit frame unwind information for the current | |
201 translation unit. */ | |
202 extern int dwarf2out_do_frame (void); | |
203 extern int dwarf2out_do_cfi_asm (void); | |
204 extern void dwarf2out_switch_text_section (void); | |
205 | |
206 extern void debug_flush_symbol_queue (void); | |
207 extern void debug_queue_symbol (tree); | |
208 extern void debug_free_queue (void); | |
209 extern int debug_nesting; | |
210 extern int symbol_queue_index; | |
211 | |
212 const char *remap_debug_filename (const char *); | |
213 void add_debug_prefix_map (const char *); | |
214 | |
215 #endif /* !GCC_DEBUG_H */ |