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 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 const 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 const cc65_libraryinfo* cc65_get_librarylist (cc65_dbginfo handle);
133 /* Return a list of all libraries */
135 const cc65_libraryinfo* cc65_library_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, const 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 */
160 /* Line information */
161 typedef struct cc65_linedata cc65_linedata;
162 struct cc65_linedata {
163 unsigned line_id; /* Internal id of this record */
164 unsigned source_id; /* Id of the source file */
165 cc65_line source_line; /* Line number */
166 cc65_line_type line_type; /* Type of line */
167 unsigned count; /* Nesting counter for macros */
170 typedef struct cc65_lineinfo cc65_lineinfo;
171 struct cc65_lineinfo {
172 unsigned count; /* Number of data sets that follow */
173 cc65_linedata data[1]; /* Data sets, number is dynamic */
178 const cc65_lineinfo* cc65_line_bynumber (cc65_dbginfo handle,
181 /* Return line information for a source file/line number combination. The
182 * function returns NULL if no line information was found.
185 void cc65_free_lineinfo (cc65_dbginfo handle, const cc65_lineinfo* info);
186 /* Free line info returned by one of the other functions */
190 /*****************************************************************************/
192 /*****************************************************************************/
196 /* Module information */
197 typedef struct cc65_moduledata cc65_moduledata;
198 struct cc65_moduledata {
199 unsigned module_id; /* The internal module id */
200 const char* module_name; /* Name of the module */
201 unsigned source_id; /* Id of the module main file */
202 unsigned library_id; /* Id of the library if any */
203 unsigned scope_id; /* Id of the main scope */
206 typedef struct cc65_moduleinfo cc65_moduleinfo;
207 struct cc65_moduleinfo {
208 unsigned count; /* Number of data sets that follow */
209 cc65_moduledata data[1]; /* Data sets, number is dynamic */
214 const cc65_moduleinfo* cc65_get_modulelist (cc65_dbginfo handle);
215 /* Return a list of all modules */
217 const cc65_moduleinfo* cc65_module_byid (cc65_dbginfo handle, unsigned id);
218 /* Return information about a module with a specific id. The function
219 * returns NULL if the id is invalid (no such module) and otherwise a
220 * cc65_moduleinfo structure with one entry that contains the requested
221 * module information.
224 void cc65_free_moduleinfo (cc65_dbginfo handle, const cc65_moduleinfo* info);
225 /* Free a module info record */
229 /*****************************************************************************/
231 /*****************************************************************************/
235 /* Span information */
236 typedef struct cc65_spandata cc65_spandata;
237 struct cc65_spandata {
238 unsigned span_id; /* The internal span id */
239 cc65_addr span_start; /* Start of the span */
240 cc65_addr span_end; /* End of the span (inclusive!) */
241 unsigned segment_id; /* Id of the segment */
244 typedef struct cc65_spaninfo cc65_spaninfo;
245 struct cc65_spaninfo {
246 unsigned count; /* Number of data sets that follow */
247 cc65_spandata data[1]; /* Data sets, number is dynamic */
252 const cc65_spaninfo* cc65_get_spanlist (cc65_dbginfo handle);
253 /* Return a list of all spans. BEWARE: Large! */
255 const cc65_spaninfo* cc65_span_byid (cc65_dbginfo handle, unsigned id);
256 /* Return information about a span with a specific id. The function
257 * returns NULL if the id is invalid (no such span) and otherwise a
258 * cc65_spaninfo structure with one entry that contains the requested
262 const cc65_spaninfo* cc65_span_byaddr (cc65_dbginfo handle,
264 /* Return span information for the given address. The function returns NULL
265 * if no spans were found for this address.
268 const cc65_spaninfo* cc65_span_byline (cc65_dbginfo handle, unsigned line_id);
269 /* Return span information for the given source line. The function returns NULL
270 * if the line id is invalid, otherwise the spans for this line (possibly zero).
273 const cc65_spaninfo* cc65_span_byscope (cc65_dbginfo handle, unsigned scope_id);
274 /* Return span information for the given scope. The function returns NULL if
275 * the scope id is invalid, otherwise the spans for this scope (possibly zero).
278 void cc65_free_spaninfo (cc65_dbginfo handle, const cc65_spaninfo* info);
279 /* Free a span info record */
283 /*****************************************************************************/
285 /*****************************************************************************/
289 /* Source file information */
290 typedef struct cc65_sourcedata cc65_sourcedata;
291 struct cc65_sourcedata {
292 unsigned source_id; /* The internal file id */
293 const char* source_name; /* Name of the file */
294 unsigned long source_size; /* Size of file */
295 unsigned long source_mtime; /* Modification time */
298 typedef struct cc65_sourceinfo cc65_sourceinfo;
299 struct cc65_sourceinfo {
300 unsigned count; /* Number of data sets that follow */
301 cc65_sourcedata data[1]; /* Data sets, number is dynamic */
306 const cc65_sourceinfo* cc65_get_sourcelist (cc65_dbginfo handle);
307 /* Return a list of all source files */
309 const cc65_sourceinfo* cc65_source_byid (cc65_dbginfo handle, unsigned id);
310 /* Return information about a source file with a specific id. The function
311 * returns NULL if the id is invalid (no such source file) and otherwise a
312 * cc65_sourceinfo structure with one entry that contains the requested
313 * source file information.
316 const cc65_sourceinfo* cc65_source_bymodule (cc65_dbginfo handle,
318 /* Return information about the source files used to build a module. The
319 * function returns NULL if the module id is invalid (no such module) and
320 * otherwise a cc65_sourceinfo structure with one entry per source file.
323 void cc65_free_sourceinfo (cc65_dbginfo handle, const cc65_sourceinfo* info);
324 /* Free a source info record */
328 /*****************************************************************************/
330 /*****************************************************************************/
334 /* Segment information.
336 * - output_name may be NULL if the data wasn't written to the output file
337 * (example: bss segment)
338 * - output_offs is invalid if there is no output_name, and may not be of
339 * much use in case of a relocatable output file
341 typedef struct cc65_segmentdata cc65_segmentdata;
342 struct cc65_segmentdata {
343 unsigned segment_id; /* The internal segment id */
344 const char* segment_name; /* Name of the segment */
345 cc65_addr segment_start; /* Start address of segment */
346 cc65_size segment_size; /* Size of segment */
347 const char* output_name; /* Output file this seg was written to */
348 unsigned long output_offs; /* Offset of this seg in output file */
351 typedef struct cc65_segmentinfo cc65_segmentinfo;
352 struct cc65_segmentinfo {
353 unsigned count; /* Number of data sets that follow */
354 cc65_segmentdata data[1]; /* Data sets, number is dynamic */
359 const cc65_segmentinfo* cc65_get_segmentlist (cc65_dbginfo handle);
360 /* Return a list of all segments referenced in the debug information */
362 const cc65_segmentinfo* cc65_segment_byid (cc65_dbginfo handle, unsigned id);
363 /* Return information about a segment with a specific id. The function returns
364 * NULL if the id is invalid (no such segment) and otherwise a cc65_segmentinfo
365 * structure with one entry that contains the requested segment information.
368 const cc65_segmentinfo* cc65_segment_byname (cc65_dbginfo handle,
370 /* Return information about a segment with a specific name. The function
371 * returns NULL if no segment with this name exists and otherwise a
372 * cc65_segmentinfo structure with one entry that contains the requested
376 void cc65_free_segmentinfo (cc65_dbginfo handle, const cc65_segmentinfo* info);
377 /* Free a segment info record */
381 /*****************************************************************************/
383 /*****************************************************************************/
387 /* Symbol information */
390 CC65_SYM_LABEL, /* Some sort of address */
394 * - If the symbol is segment relative, the segment id gives segment
395 * information, otherwise it contains CC65_INV_ID.
396 * - If export_id is valid (not CC65_INV_ID), the symbol is an import and
397 * export_id allows to retrieve the corresponding export. The fields
398 * symbol_value and segment_id are taken from the export, since imports
399 * have no value or segments by itself. symbol_type and symbol_size are
400 * more or less unusable because they don't have a meaning for imports.
401 * - For normal symbols (not cheap locals) parent_id contains CC65_INV_ID.
403 typedef struct cc65_symboldata cc65_symboldata;
404 struct cc65_symboldata {
405 unsigned symbol_id; /* Id of symbol */
406 const char* symbol_name; /* Name of symbol */
407 cc65_symbol_type symbol_type; /* Type of symbol */
408 cc65_size symbol_size; /* Size of symbol, 0 if unknown */
409 long symbol_value; /* Value of symbol */
410 unsigned export_id; /* For imports: Matching export */
411 unsigned segment_id; /* Id of segment if any */
412 unsigned scope_id; /* The scope this symbol is in */
413 unsigned parent_id; /* Parent symbol for cheap locals */
416 typedef struct cc65_symbolinfo cc65_symbolinfo;
417 struct cc65_symbolinfo {
418 unsigned count; /* Number of data sets that follow */
419 cc65_symboldata data[1]; /* Data sets, number is dynamic */
424 const cc65_symbolinfo* cc65_symbol_byid (cc65_dbginfo handle, unsigned id);
425 /* Return the symbol with a given id. The function returns NULL if no symbol
426 * with this id was found.
429 const cc65_symbolinfo* cc65_symbol_byname (cc65_dbginfo handle, const char* name);
430 /* Return a list of symbols with a given name. The function returns NULL if
431 * no symbol with this name was found.
434 const cc65_symbolinfo* cc65_symbol_inrange (cc65_dbginfo handle,
435 cc65_addr start, cc65_addr end);
436 /* Return a list of labels in the given range. end is inclusive. The function
437 * return NULL if no symbols within the given range are found. Non label
438 * symbols are ignored and not returned.
441 void cc65_free_symbolinfo (cc65_dbginfo Handle, const cc65_symbolinfo* Info);
442 /* Free a symbol info record */
446 /*****************************************************************************/
448 /*****************************************************************************/
452 /* Scope information */
454 CC65_SCOPE_GLOBAL, /* Global scope */
455 CC65_SCOPE_MODULE, /* Module scope */
456 CC65_SCOPE_SCOPE, /* .PROC/.SCOPE */
457 CC65_SCOPE_STRUCT, /* .STRUCT */
458 CC65_SCOPE_ENUM, /* .ENUM */
461 typedef struct cc65_scopedata cc65_scopedata;
462 struct cc65_scopedata {
463 unsigned scope_id; /* Id of scope */
464 const char* scope_name; /* Name of scope */
465 cc65_scope_type scope_type; /* Type of scope */
466 cc65_size scope_size; /* Size of scope, 0 if unknown */
467 unsigned parent_id; /* Id of parent scope */
468 unsigned symbol_id; /* Id of scope symbol if any */
469 unsigned module_id; /* Id of the module */
472 typedef struct cc65_scopeinfo cc65_scopeinfo;
473 struct cc65_scopeinfo {
474 unsigned count; /* Number of data sets that follow */
475 cc65_scopedata data[1]; /* Data sets, number is dynamic */
480 const cc65_scopeinfo* cc65_get_scopelist (cc65_dbginfo handle);
481 /* Return a list of all scopes in the debug information */
483 const cc65_scopeinfo* cc65_scope_byid (cc65_dbginfo handle, unsigned id);
484 /* Return the scope with a given id. The function returns NULL if no scope
485 * with this id was found.
488 const cc65_scopeinfo* cc65_scope_bymodule (cc65_dbginfo handle, unsigned module_id);
489 /* Return the list of scopes for one module. The function returns NULL if no
490 * scope with the given id was found.
493 void cc65_free_scopeinfo (cc65_dbginfo Handle, const cc65_scopeinfo* Info);
494 /* Free a scope info record */
498 /* Allow usage from C++ */
505 /* End of dbginfo.h */