1 /*****************************************************************************/
5 /* cc65 debug info handling */
9 /* (C) 2010-2011, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
41 /* Allow usage from C++ */
48 /*****************************************************************************/
50 /*****************************************************************************/
54 /* Data types used for addresses, sizes and line numbers. Change to "unsigned
55 * long" if you ever want to run the code on a 16-bit machine.
57 typedef unsigned cc65_line; /* Used to store line numbers */
58 typedef unsigned cc65_addr; /* Used to store (65xx) addresses */
59 typedef unsigned cc65_size; /* Used to store (65xx) sizes */
61 /* A value that is used to mark invalid ids */
62 #define CC65_INV_ID (~0U)
66 /*****************************************************************************/
67 /* Debug info files */
68 /*****************************************************************************/
72 /* Severity for cc65_parseerror */
76 } cc65_error_severity;
78 /* Warnings/errors in cc65_read_dbginfo are passed via this struct */
79 typedef struct cc65_parseerror cc65_parseerror;
80 struct cc65_parseerror {
81 cc65_error_severity type; /* Type of error */
82 const char* name; /* Name of input file */
83 cc65_line line; /* Error line */
84 unsigned column; /* Error column */
85 char errormsg[1]; /* Error message */
88 /* Function that is called in case of parse errors */
89 typedef void (*cc65_errorfunc) (const struct cc65_parseerror*);
91 /* Pointer to an opaque data structure containing information from the debug
92 * info file. Actually a handle to the data in the file.
94 typedef void* cc65_dbginfo;
98 cc65_dbginfo cc65_read_dbginfo (const char* filename, cc65_errorfunc errorfunc);
99 /* Parse the debug info file with the given name. On success, the function
100 * will return a pointer to an opaque cc65_dbginfo structure, that must be
101 * passed to the other functions in this module to retrieve information.
102 * errorfunc is called in case of warnings and errors. If the file cannot be
103 * read successfully, NULL is returned.
106 void cc65_free_dbginfo (cc65_dbginfo Handle);
107 /* Free debug information read from a file */
111 /*****************************************************************************/
113 /*****************************************************************************/
117 /* Library information */
118 typedef struct cc65_librarydata cc65_librarydata;
119 struct cc65_librarydata {
120 unsigned library_id; /* The internal library id */
121 const char* library_name; /* Name of the library */
124 typedef struct cc65_libraryinfo cc65_libraryinfo;
125 struct cc65_libraryinfo {
126 unsigned count; /* Number of data sets that follow */
127 cc65_librarydata data[1]; /* Data sets, number is dynamic */
132 cc65_libraryinfo* cc65_get_librarylist (cc65_dbginfo handle);
133 /* Return a list of all libraries */
135 cc65_libraryinfo* cc65_libraryinfo_byid (cc65_dbginfo handle, unsigned id);
136 /* Return information about a library with a specific id. The function
137 * returns NULL if the id is invalid (no such library) and otherwise a
138 * cc65_libraryinfo structure with one entry that contains the requested
139 * library information.
142 void cc65_free_libraryinfo (cc65_dbginfo handle, cc65_libraryinfo* info);
143 /* Free a library info record */
147 /*****************************************************************************/
149 /*****************************************************************************/
155 CC65_LINE_ASM, /* Assembler source */
156 CC65_LINE_EXT, /* Externally supplied (= C) */
157 CC65_LINE_MACRO, /* Macro expansion */
162 * - line_end is inclusive
163 * - output_name may be NULL if the data wasn't written to the output file
164 * (example: bss segment)
165 * - output_offs is invalid if there is no output_name, and may not be of
166 * much use in case of a relocatable output file
168 typedef struct cc65_linedata cc65_linedata;
169 struct cc65_linedata {
170 unsigned line_id; /* Internal id of this record */
171 cc65_addr line_start; /* Start address for this line */
172 cc65_addr line_end; /* End address for this line */
173 const char* source_name; /* Name of the file */
174 unsigned long source_size; /* Size of file */
175 unsigned long source_mtime; /* Modification time */
176 cc65_line source_line; /* Line number */
177 const char* output_name; /* Output file */
178 unsigned long output_offs; /* Offset in output file */
179 cc65_line_type line_type; /* Type of line */
180 unsigned count; /* Nesting counter for macros */
183 typedef struct cc65_lineinfo cc65_lineinfo;
184 struct cc65_lineinfo {
185 unsigned count; /* Number of data sets that follow */
186 cc65_linedata data[1]; /* Data sets, number is dynamic */
191 cc65_lineinfo* cc65_lineinfo_byaddr (cc65_dbginfo handle, unsigned long addr);
192 /* Return line information for the given address. The function returns NULL
193 * if no line information was found.
196 cc65_lineinfo* cc65_lineinfo_byname (cc65_dbginfo handle, const char* filename,
198 /* Return line information for a file/line number combination. The function
199 * returns NULL if no line information was found.
202 void cc65_free_lineinfo (cc65_dbginfo handle, cc65_lineinfo* info);
203 /* Free line info returned by one of the other functions */
207 /*****************************************************************************/
209 /*****************************************************************************/
213 /* Module information */
214 typedef struct cc65_moduledata cc65_moduledata;
215 struct cc65_moduledata {
216 unsigned module_id; /* The internal module id */
217 const char* module_name; /* Name of the module */
218 unsigned source_id; /* Id of the module main file */
219 unsigned library_id; /* Id of the library if any */
220 unsigned scope_id; /* Id of the main scope */
223 typedef struct cc65_moduleinfo cc65_moduleinfo;
224 struct cc65_moduleinfo {
225 unsigned count; /* Number of data sets that follow */
226 cc65_moduledata data[1]; /* Data sets, number is dynamic */
231 cc65_moduleinfo* cc65_get_modulelist (cc65_dbginfo handle);
232 /* Return a list of all modules */
234 cc65_moduleinfo* cc65_moduleinfo_byid (cc65_dbginfo handle, unsigned id);
235 /* Return information about a module with a specific id. The function
236 * returns NULL if the id is invalid (no such module) and otherwise a
237 * cc65_moduleinfo structure with one entry that contains the requested
238 * module information.
241 void cc65_free_moduleinfo (cc65_dbginfo handle, cc65_moduleinfo* info);
242 /* Free a module info record */
246 /*****************************************************************************/
248 /*****************************************************************************/
252 /* Span information */
253 typedef struct cc65_spandata cc65_spandata;
254 struct cc65_spandata {
255 unsigned span_id; /* The internal span id */
256 cc65_addr span_offs; /* Offset of the span in the segment */
257 cc65_size span_size; /* Size of the span */
258 unsigned segment_id; /* Id of the segment */
261 typedef struct cc65_spaninfo cc65_spaninfo;
262 struct cc65_spaninfo {
263 unsigned count; /* Number of data sets that follow */
264 cc65_spandata data[1]; /* Data sets, number is dynamic */
269 cc65_spaninfo* cc65_get_spanlist (cc65_dbginfo handle);
270 /* Return a list of all spans */
272 cc65_spaninfo* cc65_spaninfo_byid (cc65_dbginfo handle, unsigned id);
273 /* Return information about a span with a specific id. The function
274 * returns NULL if the id is invalid (no such span) and otherwise a
275 * cc65_spaninfo structure with one entry that contains the requested
279 void cc65_free_spaninfo (cc65_dbginfo handle, cc65_spaninfo* info);
280 /* Free a span info record */
284 /*****************************************************************************/
286 /*****************************************************************************/
290 /* Source file information */
291 typedef struct cc65_sourcedata cc65_sourcedata;
292 struct cc65_sourcedata {
293 unsigned source_id; /* The internal file id */
294 const char* source_name; /* Name of the file */
295 unsigned long source_size; /* Size of file */
296 unsigned long source_mtime; /* Modification time */
299 typedef struct cc65_sourceinfo cc65_sourceinfo;
300 struct cc65_sourceinfo {
301 unsigned count; /* Number of data sets that follow */
302 cc65_sourcedata data[1]; /* Data sets, number is dynamic */
307 cc65_sourceinfo* cc65_get_sourcelist (cc65_dbginfo handle);
308 /* Return a list of all source files */
310 cc65_sourceinfo* cc65_sourceinfo_byid (cc65_dbginfo handle, unsigned id);
311 /* Return information about a source file with a specific id. The function
312 * returns NULL if the id is invalid (no such source file) and otherwise a
313 * cc65_sourceinfo structure with one entry that contains the requested
314 * source file information.
317 cc65_sourceinfo* cc65_sourceinfo_bymodule (cc65_dbginfo handle,
319 /* Return information about the source files used to build a module. The
320 * function returns NULL if the module id is invalid (no such module) and
321 * otherwise a cc65_sourceinfo structure with one entry per source file.
324 void cc65_free_sourceinfo (cc65_dbginfo handle, cc65_sourceinfo* info);
325 /* Free a source info record */
329 /*****************************************************************************/
331 /*****************************************************************************/
335 /* Segment information.
337 * - output_name may be NULL if the data wasn't written to the output file
338 * (example: bss segment)
339 * - output_offs is invalid if there is no output_name, and may not be of
340 * much use in case of a relocatable output file
342 typedef struct cc65_segmentdata cc65_segmentdata;
343 struct cc65_segmentdata {
344 unsigned segment_id; /* The internal segment id */
345 const char* segment_name; /* Name of the segment */
346 cc65_addr segment_start; /* Start address of segment */
347 cc65_size segment_size; /* Size of segment */
348 const char* output_name; /* Output file this seg was written to */
349 unsigned long output_offs; /* Offset of this seg in output file */
352 typedef struct cc65_segmentinfo cc65_segmentinfo;
353 struct cc65_segmentinfo {
354 unsigned count; /* Number of data sets that follow */
355 cc65_segmentdata data[1]; /* Data sets, number is dynamic */
360 cc65_segmentinfo* cc65_get_segmentlist (cc65_dbginfo handle);
361 /* Return a list of all segments referenced in the debug information */
363 cc65_segmentinfo* cc65_segmentinfo_byid (cc65_dbginfo handle, unsigned id);
364 /* Return information about a segment with a specific id. The function returns
365 * NULL if the id is invalid (no such segment) and otherwise a cc65_segmentinfo
366 * structure with one entry that contains the requested segment information.
369 void cc65_free_segmentinfo (cc65_dbginfo handle, cc65_segmentinfo* info);
370 /* Free a segment info record */
374 /*****************************************************************************/
376 /*****************************************************************************/
380 /* Symbol information */
383 CC65_SYM_LABEL, /* Some sort of address */
386 typedef struct cc65_symboldata cc65_symboldata;
387 struct cc65_symboldata {
388 unsigned symbol_id; /* Id of symbol */
389 const char* symbol_name; /* Name of symbol */
390 cc65_symbol_type symbol_type; /* Type of symbol */
391 cc65_size symbol_size; /* Size of symbol, 0 if unknown */
392 long symbol_value; /* Value of symbol */
393 unsigned segment_id; /* If the symbol is segment relative,
394 * this contains the id of segment,
395 * otherwise CC65_INV_ID
397 unsigned scope_id; /* The scope this symbol is in */
398 unsigned parent_id; /* Parent symbol for cheap locals */
401 typedef struct cc65_symbolinfo cc65_symbolinfo;
402 struct cc65_symbolinfo {
403 unsigned count; /* Number of data sets that follow */
404 cc65_symboldata data[1]; /* Data sets, number is dynamic */
409 cc65_symbolinfo* cc65_symbol_byid (cc65_dbginfo handle, unsigned id);
410 /* Return the symbol with a given id. The function returns NULL if no symbol
411 * with this id was found.
414 cc65_symbolinfo* cc65_symbol_byname (cc65_dbginfo handle, const char* name);
415 /* Return a list of symbols with a given name. The function returns NULL if
416 * no symbol with this name was found.
419 cc65_symbolinfo* cc65_symbol_inrange (cc65_dbginfo handle,
420 cc65_addr start, cc65_addr end);
421 /* Return a list of labels in the given range. end is inclusive. The function
422 * return NULL if no symbols within the given range are found. Non label
423 * symbols are ignored and not returned.
426 void cc65_free_symbolinfo (cc65_dbginfo Handle, cc65_symbolinfo* Info);
427 /* Free a symbol info record */
431 /*****************************************************************************/
433 /*****************************************************************************/
437 /* Scope information */
439 CC65_SCOPE_GLOBAL, /* Global scope */
440 CC65_SCOPE_MODULE, /* Module scope */
441 CC65_SCOPE_SCOPE, /* .PROC/.SCOPE */
442 CC65_SCOPE_STRUCT, /* .STRUCT */
443 CC65_SCOPE_ENUM, /* .ENUM */
446 typedef struct cc65_scopedata cc65_scopedata;
447 struct cc65_scopedata {
448 unsigned scope_id; /* Id of scope */
449 const char* scope_name; /* Name of scope */
450 cc65_scope_type scope_type; /* Type of scope */
451 cc65_size scope_size; /* Size of scope, 0 if unknown */
452 unsigned scope_parent; /* Id of parent scope */
453 unsigned symbol_id; /* Id of scope symbol if any */
454 unsigned module_id; /* Id of the module */
457 typedef struct cc65_scopeinfo cc65_scopeinfo;
458 struct cc65_scopeinfo {
459 unsigned count; /* Number of data sets that follow */
460 cc65_scopedata data[1]; /* Data sets, number is dynamic */
465 cc65_scopeinfo* cc65_scope_byid (cc65_dbginfo handle, unsigned id);
466 /* Return the scope with a given id. The function returns NULL if no scope
467 * with this id was found.
470 cc65_scopeinfo* cc65_scope_bymodule (cc65_dbginfo handle, unsigned module_id);
471 /* Return the list of scopes for one module. The function returns NULL if no
472 * scope with the given id was found.
475 void cc65_free_scopeinfo (cc65_dbginfo Handle, cc65_scopeinfo* Info);
476 /* Free a scope info record */
480 /* Allow usage from C++ */
487 /* End of dbginfo.h */