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 /*****************************************************************************/
123 /* C object storage classes */
125 CC65_CSYM_AUTO, /* Auto = on stack */
126 CC65_CSYM_REG, /* Register = in register bank */
127 CC65_CSYM_STATIC, /* Static = static storage */
128 CC65_CSYM_EXTERN /* Extern = static storage + external visibility */
131 /* C symbol information */
132 typedef struct cc65_csymdata cc65_csymdata;
133 struct cc65_csymdata {
134 unsigned csym_id; /* The internal c symbol id */
135 unsigned char csym_kind; /* Kind of c symbol */
136 unsigned char csym_sc; /* Storage class of c symbol */
137 int csym_offs; /* Offset for auto and register */
138 unsigned symbol_id; /* Attached asm symbol if any */
139 unsigned scope_id; /* Scope of c symbol */
140 const char* csym_name; /* Name of the symbol */
143 typedef struct cc65_csyminfo cc65_csyminfo;
144 struct cc65_csyminfo {
145 unsigned count; /* Number of data sets that follow */
146 cc65_csymdata data[1]; /* Data sets, number is dynamic */
151 const cc65_csyminfo* cc65_get_csymlist (cc65_dbginfo handle);
152 /* Return a list of all c symbols */
154 const cc65_csyminfo* cc65_csym_byid (cc65_dbginfo handle, unsigned id);
155 /* Return information about a c symbol with a specific id. The function
156 * returns NULL if the id is invalid (no such c symbol) and otherwise a
157 * cc65_csyminfo structure with one entry that contains the requested
158 * symbol information.
161 const cc65_csyminfo* cc65_cfunc_bymodule (cc65_dbginfo handle, unsigned module_id);
162 /* Return the list of C functions (not symbols!) for a specific module. If
163 * the module id is invalid, the function will return NULL, otherwise a
164 * (possibly empty) c symbol list.
167 const cc65_csyminfo* cc65_cfunc_byname (cc65_dbginfo handle, const char* name);
168 /* Return a list of all C functions with the given name that have a
172 const cc65_csyminfo* cc65_csym_byscope (cc65_dbginfo handle, unsigned scope_id);
173 /* Return all C symbols for a scope. The function will return NULL if the
174 * given id is invalid.
177 void cc65_free_csyminfo (cc65_dbginfo handle, const cc65_csyminfo* info);
178 /* Free a c symbol info record */
182 /*****************************************************************************/
184 /*****************************************************************************/
188 /* Library information */
189 typedef struct cc65_librarydata cc65_librarydata;
190 struct cc65_librarydata {
191 unsigned library_id; /* The internal library id */
192 const char* library_name; /* Name of the library */
195 typedef struct cc65_libraryinfo cc65_libraryinfo;
196 struct cc65_libraryinfo {
197 unsigned count; /* Number of data sets that follow */
198 cc65_librarydata data[1]; /* Data sets, number is dynamic */
203 const cc65_libraryinfo* cc65_get_librarylist (cc65_dbginfo handle);
204 /* Return a list of all libraries */
206 const cc65_libraryinfo* cc65_library_byid (cc65_dbginfo handle, unsigned id);
207 /* Return information about a library with a specific id. The function
208 * returns NULL if the id is invalid (no such library) and otherwise a
209 * cc65_libraryinfo structure with one entry that contains the requested
210 * library information.
213 void cc65_free_libraryinfo (cc65_dbginfo handle, const cc65_libraryinfo* info);
214 /* Free a library info record */
218 /*****************************************************************************/
220 /*****************************************************************************/
226 CC65_LINE_ASM, /* Assembler source */
227 CC65_LINE_EXT, /* Externally supplied (= C) */
228 CC65_LINE_MACRO, /* Macro expansion */
231 /* Line information */
232 typedef struct cc65_linedata cc65_linedata;
233 struct cc65_linedata {
234 unsigned line_id; /* Internal id of this record */
235 unsigned source_id; /* Id of the source file */
236 cc65_line source_line; /* Line number */
237 cc65_line_type line_type; /* Type of line */
238 unsigned count; /* Nesting counter for macros */
241 typedef struct cc65_lineinfo cc65_lineinfo;
242 struct cc65_lineinfo {
243 unsigned count; /* Number of data sets that follow */
244 cc65_linedata data[1]; /* Data sets, number is dynamic */
249 const cc65_lineinfo* cc65_line_byid (cc65_dbginfo handle, unsigned id);
250 /* Return information about a line with a specific id. The function
251 * returns NULL if the id is invalid (no such line) and otherwise a
252 * cc65_lineinfo structure with one entry that contains the requested
253 * module information.
256 const cc65_lineinfo* cc65_line_bynumber (cc65_dbginfo handle,
259 /* Return line information for a source file/line number combination. The
260 * function returns NULL if no line information was found.
263 const cc65_lineinfo* cc65_line_bysource (cc65_dbginfo Handle, unsigned source_id);
264 /* Return line information for a source file. The function returns NULL if the
265 * file id is invalid.
268 const cc65_lineinfo* cc65_line_bysymdef (cc65_dbginfo handle, unsigned symbol_id);
269 /* Return line information for the definition of a symbol. The function
270 * returns NULL if the symbol id is invalid, otherwise a list of line infos.
273 const cc65_lineinfo* cc65_line_bysymref (cc65_dbginfo handle, unsigned symbol_id);
274 /* Return line information for all references of a symbol. The function
275 * returns NULL if the symbol id is invalid, otherwise a list of line infos.
278 const cc65_lineinfo* cc65_line_byspan (cc65_dbginfo handle, unsigned span_id);
279 /* Return line information for a a span. The function returns NULL if the
280 * span id is invalid, otherwise a list of line infos.
283 void cc65_free_lineinfo (cc65_dbginfo handle, const cc65_lineinfo* info);
284 /* Free line info returned by one of the other functions */
288 /*****************************************************************************/
290 /*****************************************************************************/
294 /* Module information
296 * - scope_id contains CC65_INV_ID if the module was compiled without
299 typedef struct cc65_moduledata cc65_moduledata;
300 struct cc65_moduledata {
301 unsigned module_id; /* The internal module id */
302 const char* module_name; /* Name of the module */
303 unsigned source_id; /* Id of the module main file */
304 unsigned library_id; /* Id of the library if any */
305 unsigned scope_id; /* Id of the main scope */
308 typedef struct cc65_moduleinfo cc65_moduleinfo;
309 struct cc65_moduleinfo {
310 unsigned count; /* Number of data sets that follow */
311 cc65_moduledata data[1]; /* Data sets, number is dynamic */
316 const cc65_moduleinfo* cc65_get_modulelist (cc65_dbginfo handle);
317 /* Return a list of all modules */
319 const cc65_moduleinfo* cc65_module_byid (cc65_dbginfo handle, unsigned id);
320 /* Return information about a module with a specific id. The function
321 * returns NULL if the id is invalid (no such module) and otherwise a
322 * cc65_moduleinfo structure with one entry that contains the requested
323 * module information.
326 void cc65_free_moduleinfo (cc65_dbginfo handle, const cc65_moduleinfo* info);
327 /* Free a module info record */
331 /*****************************************************************************/
333 /*****************************************************************************/
337 /* Span information */
338 typedef struct cc65_spandata cc65_spandata;
339 struct cc65_spandata {
340 unsigned span_id; /* The internal span id */
341 cc65_addr span_start; /* Start of the span */
342 cc65_addr span_end; /* End of the span (inclusive!) */
343 unsigned segment_id; /* Id of the segment */
344 unsigned type_id; /* Id of the type of this span */
345 unsigned line_count; /* Number of lines attached */
346 unsigned scope_count; /* Number of scopes attached */
349 typedef struct cc65_spaninfo cc65_spaninfo;
350 struct cc65_spaninfo {
351 unsigned count; /* Number of data sets that follow */
352 cc65_spandata data[1]; /* Data sets, number is dynamic */
357 const cc65_spaninfo* cc65_get_spanlist (cc65_dbginfo handle);
358 /* Return a list of all spans. BEWARE: Large! */
360 const cc65_spaninfo* cc65_span_byid (cc65_dbginfo handle, unsigned id);
361 /* Return information about a span with a specific id. The function
362 * returns NULL if the id is invalid (no such span) and otherwise a
363 * cc65_spaninfo structure with one entry that contains the requested
367 const cc65_spaninfo* cc65_span_byaddr (cc65_dbginfo handle,
369 /* Return span information for the given address. The function returns NULL
370 * if no spans were found for this address.
373 const cc65_spaninfo* cc65_span_byline (cc65_dbginfo handle, unsigned line_id);
374 /* Return span information for the given source line. The function returns NULL
375 * if the line id is invalid, otherwise the spans for this line (possibly zero).
378 const cc65_spaninfo* cc65_span_byscope (cc65_dbginfo handle, unsigned scope_id);
379 /* Return span information for the given scope. The function returns NULL if
380 * the scope id is invalid, otherwise the spans for this scope (possibly zero).
383 void cc65_free_spaninfo (cc65_dbginfo handle, const cc65_spaninfo* info);
384 /* Free a span info record */
388 /*****************************************************************************/
390 /*****************************************************************************/
394 /* Source file information */
395 typedef struct cc65_sourcedata cc65_sourcedata;
396 struct cc65_sourcedata {
397 unsigned source_id; /* The internal file id */
398 const char* source_name; /* Name of the file */
399 unsigned long source_size; /* Size of file */
400 unsigned long source_mtime; /* Modification time */
403 typedef struct cc65_sourceinfo cc65_sourceinfo;
404 struct cc65_sourceinfo {
405 unsigned count; /* Number of data sets that follow */
406 cc65_sourcedata data[1]; /* Data sets, number is dynamic */
411 const cc65_sourceinfo* cc65_get_sourcelist (cc65_dbginfo handle);
412 /* Return a list of all source files */
414 const cc65_sourceinfo* cc65_source_byid (cc65_dbginfo handle, unsigned id);
415 /* Return information about a source file with a specific id. The function
416 * returns NULL if the id is invalid (no such source file) and otherwise a
417 * cc65_sourceinfo structure with one entry that contains the requested
418 * source file information.
421 const cc65_sourceinfo* cc65_source_bymodule (cc65_dbginfo handle,
423 /* Return information about the source files used to build a module. The
424 * function returns NULL if the module id is invalid (no such module) and
425 * otherwise a cc65_sourceinfo structure with one entry per source file.
428 void cc65_free_sourceinfo (cc65_dbginfo handle, const cc65_sourceinfo* info);
429 /* Free a source info record */
433 /*****************************************************************************/
435 /*****************************************************************************/
439 /* Scope information */
441 CC65_SCOPE_GLOBAL, /* Global scope */
442 CC65_SCOPE_MODULE, /* Module scope */
443 CC65_SCOPE_SCOPE, /* .PROC/.SCOPE */
444 CC65_SCOPE_STRUCT, /* .STRUCT */
445 CC65_SCOPE_ENUM, /* .ENUM */
448 typedef struct cc65_scopedata cc65_scopedata;
449 struct cc65_scopedata {
450 unsigned scope_id; /* Id of scope */
451 const char* scope_name; /* Name of scope */
452 cc65_scope_type scope_type; /* Type of scope */
453 cc65_size scope_size; /* Size of scope, 0 if unknown */
454 unsigned parent_id; /* Id of parent scope */
455 unsigned symbol_id; /* Id of scope symbol if any */
456 unsigned module_id; /* Id of the module */
459 typedef struct cc65_scopeinfo cc65_scopeinfo;
460 struct cc65_scopeinfo {
461 unsigned count; /* Number of data sets that follow */
462 cc65_scopedata data[1]; /* Data sets, number is dynamic */
467 const cc65_scopeinfo* cc65_get_scopelist (cc65_dbginfo handle);
468 /* Return a list of all scopes in the debug information */
470 const cc65_scopeinfo* cc65_scope_byid (cc65_dbginfo handle, unsigned id);
471 /* Return the scope with a given id. The function returns NULL if no scope
472 * with this id was found.
475 const cc65_scopeinfo* cc65_scope_bymodule (cc65_dbginfo handle, unsigned module_id);
476 /* Return the list of scopes for one module. The function returns NULL if no
477 * scope with the given id was found.
480 const cc65_scopeinfo* cc65_scope_byname (cc65_dbginfo handle, const char* name);
481 /* Return the list of scopes with a given name. Returns NULL if no scope with
482 * the given name was found, otherwise a non empty scope list.
485 const cc65_scopeinfo* cc65_scope_byspan (cc65_dbginfo handle, unsigned span_id);
486 /* Return scope information for a a span. The function returns NULL if the
487 * span id is invalid, otherwise a list of line scopes.
490 const cc65_scopeinfo* cc65_childscopes_byid (cc65_dbginfo handle, unsigned id);
491 /* Return the direct child scopes of a scope with a given id. The function
492 * returns NULL if no scope with this id was found, otherwise a list of the
496 void cc65_free_scopeinfo (cc65_dbginfo Handle, const cc65_scopeinfo* Info);
497 /* Free a scope info record */
501 /*****************************************************************************/
503 /*****************************************************************************/
507 /* Segment information.
509 * - output_name may be NULL if the data wasn't written to the output file
510 * (example: bss segment)
511 * - output_offs is invalid if there is no output_name, and may not be of
512 * much use in case of a relocatable output file
514 typedef struct cc65_segmentdata cc65_segmentdata;
515 struct cc65_segmentdata {
516 unsigned segment_id; /* The internal segment id */
517 const char* segment_name; /* Name of the segment */
518 cc65_addr segment_start; /* Start address of segment */
519 cc65_size segment_size; /* Size of segment */
520 const char* output_name; /* Output file this seg was written to */
521 unsigned long output_offs; /* Offset of this seg in output file */
524 typedef struct cc65_segmentinfo cc65_segmentinfo;
525 struct cc65_segmentinfo {
526 unsigned count; /* Number of data sets that follow */
527 cc65_segmentdata data[1]; /* Data sets, number is dynamic */
532 const cc65_segmentinfo* cc65_get_segmentlist (cc65_dbginfo handle);
533 /* Return a list of all segments referenced in the debug information */
535 const cc65_segmentinfo* cc65_segment_byid (cc65_dbginfo handle, unsigned id);
536 /* Return information about a segment with a specific id. The function returns
537 * NULL if the id is invalid (no such segment) and otherwise a cc65_segmentinfo
538 * structure with one entry that contains the requested segment information.
541 const cc65_segmentinfo* cc65_segment_byname (cc65_dbginfo handle,
543 /* Return information about a segment with a specific name. The function
544 * returns NULL if no segment with this name exists and otherwise a
545 * cc65_segmentinfo structure with one entry that contains the requested
549 void cc65_free_segmentinfo (cc65_dbginfo handle, const cc65_segmentinfo* info);
550 /* Free a segment info record */
554 /*****************************************************************************/
556 /*****************************************************************************/
560 /* Symbol information */
563 CC65_SYM_LABEL, /* Some sort of address */
564 CC65_SYM_IMPORT, /* An import */
568 * - If the symbol is segment relative, the segment id gives segment
569 * information, otherwise it contains CC65_INV_ID.
570 * - If the type is CC65_SYM_IMPORT, export_id may contain the id of the
571 * export. This is not the case if the module contaiing the export doesn't
572 * have debug information.
573 * - For an import, the fields symbol_value and segment_id are taken from
574 * the export, if it is available, since imports have no value or segments
576 * - For an import symbol_size doesn't have a meaning.
577 * - For normal symbols (not cheap locals) parent_id contains CC65_INV_ID,
578 * for cheap locals it contains the symbol id of the parent symbol.
580 typedef struct cc65_symboldata cc65_symboldata;
581 struct cc65_symboldata {
582 unsigned symbol_id; /* Id of symbol */
583 const char* symbol_name; /* Name of symbol */
584 cc65_symbol_type symbol_type; /* Type of symbol */
585 cc65_size symbol_size; /* Size of symbol, 0 if unknown */
586 long symbol_value; /* Value of symbol */
587 unsigned export_id; /* For imports: Matching export */
588 unsigned segment_id; /* Id of segment if any */
589 unsigned scope_id; /* The scope this symbol is in */
590 unsigned parent_id; /* Parent symbol for cheap locals */
593 typedef struct cc65_symbolinfo cc65_symbolinfo;
594 struct cc65_symbolinfo {
595 unsigned count; /* Number of data sets that follow */
596 cc65_symboldata data[1]; /* Data sets, number is dynamic */
601 const cc65_symbolinfo* cc65_symbol_byid (cc65_dbginfo handle, unsigned id);
602 /* Return the symbol with a given id. The function returns NULL if no symbol
603 * with this id was found.
606 const cc65_symbolinfo* cc65_symbol_byname (cc65_dbginfo handle, const char* name);
607 /* Return a list of symbols with a given name. The function returns NULL if
608 * no symbol with this name was found.
611 const cc65_symbolinfo* cc65_symbol_byscope (cc65_dbginfo handle,
613 /* Return a list of symbols in the given scope. This includes cheap local
614 * symbols, but not symbols in subscopes. The function returns NULL if the
615 * scope id is invalid (no such scope) and otherwise a - possibly empty -
619 const cc65_symbolinfo* cc65_symbol_inrange (cc65_dbginfo handle,
620 cc65_addr start, cc65_addr end);
621 /* Return a list of labels in the given range. end is inclusive. The function
622 * return NULL if no symbols within the given range are found. Non label
623 * symbols are ignored and not returned.
626 void cc65_free_symbolinfo (cc65_dbginfo handle, const cc65_symbolinfo* info);
627 /* Free a symbol info record */
631 /*****************************************************************************/
633 /*****************************************************************************/
637 /* Type information */
648 /* The following ones are currently unavailable: */
655 /* A type is a linked list of typedata structures. In case of arrays, the
656 * structure will contain an element count and the element type. In case of
657 * pointers, the structure will contain the type of the data, the pointer
658 * points to (currently, there are only VOID pointers).
659 * The next pointer points to the next entry in the list. It is NULL if the
660 * end of the list is reached.
662 typedef struct cc65_typedata cc65_typedata;
663 struct cc65_typedata {
664 cc65_typedata* next; /* Pointer to next entry */
665 cc65_typetoken what; /* What kind of type is it? */
666 cc65_size size; /* The size of the data */
668 /* Depending on "what", one of the members of this union follows */
671 /* In case of CC65_TYPE_PTR or CC65_TYPE_FARPTR */
673 const cc65_typedata* ind_type; /* Type the pointer points to */
676 /* In case of CC65_TYPE_ARRAY */
678 cc65_size ele_count; /* Element count */
679 const cc65_typedata* ele_type; /* Element type */
687 const cc65_typedata* cc65_type_byid (cc65_dbginfo handle, unsigned id);
688 /* Return the data for the type with the given id. The function returns NULL
689 * if no type with this id was found.
692 void cc65_free_typedata (cc65_dbginfo Handle, const cc65_typedata* data);
693 /* Free a symbol info record */
697 /* Allow usage from C++ */
704 /* End of dbginfo.h */