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)
64 /* A structure that is used to store a list of ids */
65 typedef struct cc65_idlist cc65_idlist;
67 unsigned count; /* Number of elements */
68 unsigned* ids; /* List of ids, number is dynamic */
73 /*****************************************************************************/
74 /* Debug info files */
75 /*****************************************************************************/
79 /* Severity for cc65_parseerror */
83 } cc65_error_severity;
85 /* Warnings/errors in cc65_read_dbginfo are passed via this struct */
86 typedef struct cc65_parseerror cc65_parseerror;
87 struct cc65_parseerror {
88 cc65_error_severity type; /* Type of error */
89 const char* name; /* Name of input file */
90 cc65_line line; /* Error line */
91 unsigned column; /* Error column */
92 char errormsg[1]; /* Error message */
95 /* Function that is called in case of parse errors */
96 typedef void (*cc65_errorfunc) (const struct cc65_parseerror*);
98 /* Pointer to an opaque data structure containing information from the debug
99 * info file. Actually a handle to the data in the file.
101 typedef const void* cc65_dbginfo;
105 cc65_dbginfo cc65_read_dbginfo (const char* filename, cc65_errorfunc errorfunc);
106 /* Parse the debug info file with the given name. On success, the function
107 * will return a pointer to an opaque cc65_dbginfo structure, that must be
108 * passed to the other functions in this module to retrieve information.
109 * errorfunc is called in case of warnings and errors. If the file cannot be
110 * read successfully, NULL is returned.
113 void cc65_free_dbginfo (cc65_dbginfo Handle);
114 /* Free debug information read from a file */
118 /*****************************************************************************/
120 /*****************************************************************************/
124 /* Library information */
125 typedef struct cc65_librarydata cc65_librarydata;
126 struct cc65_librarydata {
127 unsigned library_id; /* The internal library id */
128 const char* library_name; /* Name of the library */
131 typedef struct cc65_libraryinfo cc65_libraryinfo;
132 struct cc65_libraryinfo {
133 unsigned count; /* Number of data sets that follow */
134 cc65_librarydata data[1]; /* Data sets, number is dynamic */
139 const cc65_libraryinfo* cc65_get_librarylist (cc65_dbginfo handle);
140 /* Return a list of all libraries */
142 const cc65_libraryinfo* cc65_libraryinfo_byid (cc65_dbginfo handle, unsigned id);
143 /* Return information about a library with a specific id. The function
144 * returns NULL if the id is invalid (no such library) and otherwise a
145 * cc65_libraryinfo structure with one entry that contains the requested
146 * library information.
149 void cc65_free_libraryinfo (cc65_dbginfo handle, const cc65_libraryinfo* info);
150 /* Free a library info record */
154 /*****************************************************************************/
156 /*****************************************************************************/
162 CC65_LINE_ASM, /* Assembler source */
163 CC65_LINE_EXT, /* Externally supplied (= C) */
164 CC65_LINE_MACRO, /* Macro expansion */
167 /* Line information */
168 typedef struct cc65_linedata cc65_linedata;
169 struct cc65_linedata {
170 unsigned line_id; /* Internal id of this record */
171 unsigned source_id; /* Id of the source file */
172 cc65_line source_line; /* Line number */
173 cc65_line_type line_type; /* Type of line */
174 unsigned count; /* Nesting counter for macros */
175 cc65_idlist span_list; /* List of spans for this line */
178 typedef struct cc65_lineinfo cc65_lineinfo;
179 struct cc65_lineinfo {
180 unsigned count; /* Number of data sets that follow */
181 cc65_linedata data[1]; /* Data sets, number is dynamic */
186 const cc65_lineinfo* cc65_lineinfo_byline (cc65_dbginfo handle,
189 /* Return line information for a source file/line number combination. The
190 * function returns NULL if no line information was found.
193 void cc65_free_lineinfo (cc65_dbginfo handle, const cc65_lineinfo* info);
194 /* Free line info returned by one of the other functions */
198 /*****************************************************************************/
200 /*****************************************************************************/
204 /* Module information */
205 typedef struct cc65_moduledata cc65_moduledata;
206 struct cc65_moduledata {
207 unsigned module_id; /* The internal module id */
208 const char* module_name; /* Name of the module */
209 unsigned source_id; /* Id of the module main file */
210 unsigned library_id; /* Id of the library if any */
211 unsigned scope_id; /* Id of the main scope */
214 typedef struct cc65_moduleinfo cc65_moduleinfo;
215 struct cc65_moduleinfo {
216 unsigned count; /* Number of data sets that follow */
217 cc65_moduledata data[1]; /* Data sets, number is dynamic */
222 const cc65_moduleinfo* cc65_get_modulelist (cc65_dbginfo handle);
223 /* Return a list of all modules */
225 const cc65_moduleinfo* cc65_moduleinfo_byid (cc65_dbginfo handle, unsigned id);
226 /* Return information about a module with a specific id. The function
227 * returns NULL if the id is invalid (no such module) and otherwise a
228 * cc65_moduleinfo structure with one entry that contains the requested
229 * module information.
232 void cc65_free_moduleinfo (cc65_dbginfo handle, const cc65_moduleinfo* info);
233 /* Free a module info record */
237 /*****************************************************************************/
239 /*****************************************************************************/
243 /* Span information */
244 typedef struct cc65_spandata cc65_spandata;
245 struct cc65_spandata {
246 unsigned span_id; /* The internal span id */
247 cc65_addr span_start; /* Start of the span */
248 cc65_addr span_end; /* End of the span (inclusive!) */
249 unsigned segment_id; /* Id of the segment */
252 typedef struct cc65_spaninfo cc65_spaninfo;
253 struct cc65_spaninfo {
254 unsigned count; /* Number of data sets that follow */
255 cc65_spandata data[1]; /* Data sets, number is dynamic */
260 const cc65_spaninfo* cc65_get_spanlist (cc65_dbginfo handle);
261 /* Return a list of all spans. BEWARE: Large! */
263 const cc65_spaninfo* cc65_spaninfo_byid (cc65_dbginfo handle, unsigned id);
264 /* Return information about a span with a specific id. The function
265 * returns NULL if the id is invalid (no such span) and otherwise a
266 * cc65_spaninfo structure with one entry that contains the requested
270 const cc65_spaninfo* cc65_spaninfo_byaddr (cc65_dbginfo handle,
272 /* Return span information for the given address. The function returns NULL
273 * if no spans were found for this address.
276 void cc65_free_spaninfo (cc65_dbginfo handle, const cc65_spaninfo* info);
277 /* Free a span info record */
281 /*****************************************************************************/
283 /*****************************************************************************/
287 /* Source file information */
288 typedef struct cc65_sourcedata cc65_sourcedata;
289 struct cc65_sourcedata {
290 unsigned source_id; /* The internal file id */
291 const char* source_name; /* Name of the file */
292 unsigned long source_size; /* Size of file */
293 unsigned long source_mtime; /* Modification time */
296 typedef struct cc65_sourceinfo cc65_sourceinfo;
297 struct cc65_sourceinfo {
298 unsigned count; /* Number of data sets that follow */
299 cc65_sourcedata data[1]; /* Data sets, number is dynamic */
304 const cc65_sourceinfo* cc65_get_sourcelist (cc65_dbginfo handle);
305 /* Return a list of all source files */
307 const cc65_sourceinfo* cc65_sourceinfo_byid (cc65_dbginfo handle, unsigned id);
308 /* Return information about a source file with a specific id. The function
309 * returns NULL if the id is invalid (no such source file) and otherwise a
310 * cc65_sourceinfo structure with one entry that contains the requested
311 * source file information.
314 const cc65_sourceinfo* cc65_sourceinfo_bymodule (cc65_dbginfo handle,
316 /* Return information about the source files used to build a module. The
317 * function returns NULL if the module id is invalid (no such module) and
318 * otherwise a cc65_sourceinfo structure with one entry per source file.
321 void cc65_free_sourceinfo (cc65_dbginfo handle, const cc65_sourceinfo* info);
322 /* Free a source info record */
326 /*****************************************************************************/
328 /*****************************************************************************/
332 /* Segment information.
334 * - output_name may be NULL if the data wasn't written to the output file
335 * (example: bss segment)
336 * - output_offs is invalid if there is no output_name, and may not be of
337 * much use in case of a relocatable output file
339 typedef struct cc65_segmentdata cc65_segmentdata;
340 struct cc65_segmentdata {
341 unsigned segment_id; /* The internal segment id */
342 const char* segment_name; /* Name of the segment */
343 cc65_addr segment_start; /* Start address of segment */
344 cc65_size segment_size; /* Size of segment */
345 const char* output_name; /* Output file this seg was written to */
346 unsigned long output_offs; /* Offset of this seg in output file */
349 typedef struct cc65_segmentinfo cc65_segmentinfo;
350 struct cc65_segmentinfo {
351 unsigned count; /* Number of data sets that follow */
352 cc65_segmentdata data[1]; /* Data sets, number is dynamic */
357 const cc65_segmentinfo* cc65_get_segmentlist (cc65_dbginfo handle);
358 /* Return a list of all segments referenced in the debug information */
360 const cc65_segmentinfo* cc65_segmentinfo_byid (cc65_dbginfo handle, unsigned id);
361 /* Return information about a segment with a specific id. The function returns
362 * NULL if the id is invalid (no such segment) and otherwise a cc65_segmentinfo
363 * structure with one entry that contains the requested segment information.
366 void cc65_free_segmentinfo (cc65_dbginfo handle, const cc65_segmentinfo* info);
367 /* Free a segment info record */
371 /*****************************************************************************/
373 /*****************************************************************************/
377 /* Symbol information */
380 CC65_SYM_LABEL, /* Some sort of address */
383 typedef struct cc65_symboldata cc65_symboldata;
384 struct cc65_symboldata {
385 unsigned symbol_id; /* Id of symbol */
386 const char* symbol_name; /* Name of symbol */
387 cc65_symbol_type symbol_type; /* Type of symbol */
388 cc65_size symbol_size; /* Size of symbol, 0 if unknown */
389 long symbol_value; /* Value of symbol */
390 unsigned segment_id; /* If the symbol is segment relative,
391 * this contains the id of segment,
392 * otherwise CC65_INV_ID
394 unsigned scope_id; /* The scope this symbol is in */
395 unsigned parent_id; /* Parent symbol for cheap locals */
398 typedef struct cc65_symbolinfo cc65_symbolinfo;
399 struct cc65_symbolinfo {
400 unsigned count; /* Number of data sets that follow */
401 cc65_symboldata data[1]; /* Data sets, number is dynamic */
406 const cc65_symbolinfo* cc65_symbol_byid (cc65_dbginfo handle, unsigned id);
407 /* Return the symbol with a given id. The function returns NULL if no symbol
408 * with this id was found.
411 const cc65_symbolinfo* cc65_symbol_byname (cc65_dbginfo handle, const char* name);
412 /* Return a list of symbols with a given name. The function returns NULL if
413 * no symbol with this name was found.
416 const cc65_symbolinfo* cc65_symbol_inrange (cc65_dbginfo handle,
417 cc65_addr start, cc65_addr end);
418 /* Return a list of labels in the given range. end is inclusive. The function
419 * return NULL if no symbols within the given range are found. Non label
420 * symbols are ignored and not returned.
423 void cc65_free_symbolinfo (cc65_dbginfo Handle, const cc65_symbolinfo* Info);
424 /* Free a symbol info record */
428 /*****************************************************************************/
430 /*****************************************************************************/
434 /* Scope information */
436 CC65_SCOPE_GLOBAL, /* Global scope */
437 CC65_SCOPE_MODULE, /* Module scope */
438 CC65_SCOPE_SCOPE, /* .PROC/.SCOPE */
439 CC65_SCOPE_STRUCT, /* .STRUCT */
440 CC65_SCOPE_ENUM, /* .ENUM */
443 typedef struct cc65_scopedata cc65_scopedata;
444 struct cc65_scopedata {
445 unsigned scope_id; /* Id of scope */
446 const char* scope_name; /* Name of scope */
447 cc65_scope_type scope_type; /* Type of scope */
448 cc65_size scope_size; /* Size of scope, 0 if unknown */
449 unsigned scope_parent; /* Id of parent scope */
450 unsigned symbol_id; /* Id of scope symbol if any */
451 unsigned module_id; /* Id of the module */
454 typedef struct cc65_scopeinfo cc65_scopeinfo;
455 struct cc65_scopeinfo {
456 unsigned count; /* Number of data sets that follow */
457 cc65_scopedata data[1]; /* Data sets, number is dynamic */
462 const cc65_scopeinfo* cc65_scope_byid (cc65_dbginfo handle, unsigned id);
463 /* Return the scope with a given id. The function returns NULL if no scope
464 * with this id was found.
467 const cc65_scopeinfo* cc65_scope_bymodule (cc65_dbginfo handle, unsigned module_id);
468 /* Return the list of scopes for one module. The function returns NULL if no
469 * scope with the given id was found.
472 void cc65_free_scopeinfo (cc65_dbginfo Handle, const cc65_scopeinfo* Info);
473 /* Free a scope info record */
477 /* Allow usage from C++ */
484 /* End of dbginfo.h */