4 * Copyright 1995 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #ifndef __WINE_DEBUGGER_H
22 #define __WINE_DEBUGGER_H
27 #define NONAMELESSUNION
28 #define NONAMELESSSTRUCT
30 #define WIN32_NO_STATUS
31 #define WIN32_LEAN_AND_MEAN
40 #include <wine/list.h>
42 #define ADDRSIZE (be_cpu->pointer_size)
43 #define ADDRWIDTH (ADDRSIZE * 2)
45 /* the debugger uses these exceptions for it's internal use */
46 #define DEBUG_STATUS_OFFSET 0x80003000
47 #define DEBUG_STATUS_INTERNAL_ERROR (DEBUG_STATUS_OFFSET+0) /* something went wrong */
48 #define DEBUG_STATUS_NO_SYMBOL (DEBUG_STATUS_OFFSET+1) /* no symbol found in lookup */
49 #define DEBUG_STATUS_DIV_BY_ZERO (DEBUG_STATUS_OFFSET+2)
50 #define DEBUG_STATUS_BAD_TYPE (DEBUG_STATUS_OFFSET+3) /* no type found, when type was expected */
51 #define DEBUG_STATUS_NO_FIELD (DEBUG_STATUS_OFFSET+4) /* when dereferencing a struct, the field was not found */
52 #define DEBUG_STATUS_ABORT (DEBUG_STATUS_OFFSET+5) /* user aborted on going action */
53 #define DEBUG_STATUS_CANT_DEREF (DEBUG_STATUS_OFFSET+6) /* either not deref:able, or index out of bounds */
54 #define DEBUG_STATUS_NOT_AN_INTEGER (DEBUG_STATUS_OFFSET+7) /* requiring an integral value */
57 * Return values for symbol_get_function_line_status. Used to determine
58 * what to do when the 'step' command is given.
63 dbg_not_on_a_line_number,
68 enum dbg_internal_types
70 dbg_itype_first = 0xffffff00,
71 dbg_itype_unsigned_int,
73 dbg_itype_signed_char_int,
74 dbg_itype_unsigned_char_int,
75 dbg_itype_unsigned_short_int,
76 dbg_itype_signed_short_int,
77 dbg_itype_unsigned_long_int,
78 dbg_itype_signed_long_int,
79 dbg_itype_unsigned_longlong_int,
80 dbg_itype_signed_longlong_int,
83 dbg_itype_short_real, /* aka float */
84 dbg_itype_real, /* aka double */
85 dbg_itype_long_real, /* aka long double */
88 dbg_itype_segptr, /* hack for segmented pointers */
89 dbg_itype_none = 0xffffffff
92 /* type description (in the following order):
93 * - if 'id' is dbg_itype_none (whatever 'module' value), the type isn't known
94 * - if 'module' is 0, it's an internal type (id is one of dbg_itype...)
95 * - if 'module' is non 0, then 'id' is a type ID referring to module (loaded in
96 * dbghelp) which (linear) contains address 'module'.
104 struct dbg_lvalue /* structure to hold left-values... */
106 int cookie; /* DLV_??? */
107 /* DLV_TARGET references an address in debuggee's address space, whereas DLV_HOST
108 * references the winedbg's address space
110 # define DLV_TARGET 0xF00D
111 # define DLV_HOST 0x50DA
113 struct dbg_type type;
118 dbg_exec_cont, /* Continue execution */
119 dbg_exec_step_over_line, /* Stepping over a call to next source line */
120 dbg_exec_step_into_line, /* Step to next source line, stepping in if needed */
121 dbg_exec_step_over_insn, /* Stepping over a call */
122 dbg_exec_step_into_insn, /* Single-stepping an instruction */
123 dbg_exec_finish, /* Single-step until we exit current frame */
125 EXEC_STEP_OVER_TRAMPOLINE, /* Step over trampoline. Requires that we dig the real
126 * return value off the stack and set breakpoint there -
127 * not at the instr just after the call.
132 struct dbg_breakpoint
135 unsigned long enabled : 1,
140 struct /* only used for watchpoints */
145 struct expr* condition;
148 /* used for C++ exceptions in msvcrt
150 * [0] CXX_FRAME_MAGIC
151 * [1] pointer to exception object
152 * [2] pointer to type
154 #define CXX_EXCEPTION 0xe06d7363
155 #define CXX_FRAME_MAGIC 0x19930520
157 /* Wine extension; Windows doesn't have a name for this code. This is an
158 undocumented exception understood by MS VC debugger, allowing the program
159 to name a particular thread. Search google.com or deja.com for "0x406d1388"
161 #define EXCEPTION_NAME_THREAD 0x406D1388
163 /* Helper structure */
164 typedef struct tagTHREADNAME_INFO
166 DWORD dwType; /* Must be 0x1000 */
167 LPCSTR szName; /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
168 DWORD dwThreadID; /* Thread ID (-1 = caller thread) */
169 DWORD dwFlags; /* Reserved for future use. Must be zero. */
175 struct dbg_process* process;
179 enum dbg_exec_mode exec_mode; /* mode the thread is run (step/run...) */
180 int exec_count; /* count of mode operations */
181 ADDRESS_MODE addr_mode; /* mode */
182 int stopped_xpoint; /* xpoint on which the thread has stopped (-1 if none) */
183 struct dbg_breakpoint step_over_bp;
185 BOOL in_exception; /* TRUE if thread stopped with an exception */
186 BOOL first_chance; /* TRUE if thread stopped with a first chance exception
187 * - only valid when in_exception is TRUE
189 EXCEPTION_RECORD excpt_record; /* only valid when in_exception is TRUE */
193 ADDRESS64 addr_frame;
194 ADDRESS64 addr_stack;
196 DWORD_PTR linear_frame;
197 DWORD_PTR linear_stack;
198 CONTEXT context; /* context we got out of stackwalk for this frame */
199 BOOL is_ctx_valid; /* is the context above valid */
205 struct dbg_delayed_bp
220 #define MAX_BREAKPOINTS 100
226 const struct be_process_io* process_io;
228 const WCHAR* imageName;
230 unsigned continue_on_first_exception : 1,
232 struct dbg_breakpoint bp[MAX_BREAKPOINTS];
234 struct dbg_delayed_bp* delayed_bp;
236 struct open_file_list* source_ofiles;
238 char source_current_file[MAX_PATH];
239 int source_start_line;
243 /* describes the way the debugger interacts with a given process */
246 BOOL (*close_process)(struct dbg_process*, BOOL);
247 BOOL (*read)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
248 BOOL (*write)(HANDLE, void*, const void*, SIZE_T, SIZE_T*);
249 BOOL (*get_selector)(HANDLE, DWORD, LDT_ENTRY*);
252 extern struct dbg_process* dbg_curr_process;
253 extern DWORD_PTR dbg_curr_pid;
254 extern struct dbg_thread* dbg_curr_thread;
255 extern DWORD_PTR dbg_curr_tid;
256 extern CONTEXT dbg_context;
257 extern BOOL dbg_interactiveP;
259 struct dbg_internal_var
264 unsigned long typeid; /* always internal type */
267 enum sym_get_lval {sglv_found, sglv_unknown, sglv_aborted};
273 type_expr_udt_struct,
275 type_expr_enumeration
280 enum type_expr_e type;
281 unsigned deref_count;
284 struct dbg_type type;
289 enum dbg_start {start_ok, start_error_parse, start_error_init};
292 extern void break_set_xpoints(BOOL set);
293 extern BOOL break_add_break(const ADDRESS64* addr, BOOL verbose, BOOL swbp);
294 extern BOOL break_add_break_from_lvalue(const struct dbg_lvalue* value, BOOL swbp);
295 extern void break_add_break_from_id(const char* name, int lineno, BOOL swbp);
296 extern void break_add_break_from_lineno(int lineno, BOOL swbp);
297 extern void break_add_watch_from_lvalue(const struct dbg_lvalue* lvalue, BOOL is_write);
298 extern void break_add_watch_from_id(const char* name, BOOL is_write);
299 extern void break_check_delayed_bp(void);
300 extern void break_delete_xpoint(int num);
301 extern void break_delete_xpoints_from_module(DWORD64 base);
302 extern void break_enable_xpoint(int num, BOOL enable);
303 extern void break_info(void);
304 extern void break_adjust_pc(ADDRESS64* addr, DWORD code, BOOL first_chance, BOOL* is_break);
305 extern BOOL break_should_continue(ADDRESS64* addr, DWORD code);
306 extern void break_suspend_execution(void);
307 extern void break_restart_execution(int count);
308 extern int break_add_condition(int bpnum, struct expr* exp);
311 extern BOOL display_crash_dialog(void);
312 extern int msgbox_res_id(HWND hwnd, UINT textId, UINT captionId, UINT uType);
315 extern void parser_handle(HANDLE);
316 extern int input_read_line(const char* pfx, char* buffer, int size);
317 extern int input_fetch_entire_line(const char* pfx, char** line);
318 extern HANDLE parser_generate_command_file(const char*, ...);
321 extern void lexeme_flush(void);
322 extern char* lexeme_alloc_size(int);
325 extern int display_print(void);
326 extern int display_add(struct expr* exp, int count, char format);
327 extern int display_delete(int displaynum);
328 extern int display_info(void);
329 extern int display_enable(int displaynum, int enable);
332 extern void expr_free_all(void);
333 extern struct expr* expr_alloc_internal_var(const char* name);
334 extern struct expr* expr_alloc_symbol(const char* name);
335 extern struct expr* expr_alloc_sconstant(long int val);
336 extern struct expr* expr_alloc_uconstant(long unsigned val);
337 extern struct expr* expr_alloc_string(const char* str);
338 extern struct expr* expr_alloc_binary_op(int oper, struct expr*, struct expr*);
339 extern struct expr* expr_alloc_unary_op(int oper, struct expr*);
340 extern struct expr* expr_alloc_pstruct(struct expr*, const char* element);
341 extern struct expr* expr_alloc_struct(struct expr*, const char* element);
342 extern struct expr* expr_alloc_func_call(const char*, int nargs, ...);
343 extern struct expr* expr_alloc_typecast(struct type_expr_t*, struct expr*);
344 extern struct dbg_lvalue expr_eval(struct expr*);
345 extern struct expr* expr_clone(const struct expr* exp, BOOL *local_binding);
346 extern int expr_free(struct expr* exp);
347 extern int expr_print(const struct expr* exp);
350 extern void print_help(void);
351 extern void info_help(void);
352 extern void info_win32_module(DWORD64 mod);
353 extern void info_win32_class(HWND hWnd, const char* clsName);
354 extern void info_win32_window(HWND hWnd, BOOL detailed);
355 extern void info_win32_processes(void);
356 extern void info_win32_threads(void);
357 extern void info_win32_frame_exceptions(DWORD tid);
358 extern void info_win32_virtual(DWORD pid);
359 extern void info_win32_segments(DWORD start, int length);
360 extern void info_win32_exception(void);
361 extern void info_wine_dbg_channel(BOOL add, const char* chnl, const char* name);
364 extern BOOL memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result);
365 extern BOOL memory_write_value(const struct dbg_lvalue* val, DWORD size, void* value);
366 extern void memory_examine(const struct dbg_lvalue *lvalue, int count, char format);
367 extern void* memory_to_linear_addr(const ADDRESS64* address);
368 extern BOOL memory_get_current_pc(ADDRESS64* address);
369 extern BOOL memory_get_current_stack(ADDRESS64* address);
370 extern BOOL memory_get_current_frame(ADDRESS64* address);
371 extern BOOL memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee, BOOL unicode, char* buffer, int size);
372 extern BOOL memory_get_string_indirect(struct dbg_process* pcs, void* addr, BOOL unicode, WCHAR* buffer, int size);
373 extern BOOL memory_get_register(DWORD regno, DWORD_PTR** value, char* buffer, int len);
374 extern void memory_disassemble(const struct dbg_lvalue*, const struct dbg_lvalue*, int instruction_count);
375 extern BOOL memory_disasm_one_insn(ADDRESS64* addr);
376 #define MAX_OFFSET_TO_STR_LEN 19
377 extern char* memory_offset_to_string(char *str, DWORD64 offset, unsigned mode);
378 extern void print_bare_address(const ADDRESS64* addr);
379 extern void print_address(const ADDRESS64* addr, BOOLEAN with_line);
380 extern void print_basic(const struct dbg_lvalue* value, char format);
383 extern void source_list(IMAGEHLP_LINE64* src1, IMAGEHLP_LINE64* src2, int delta);
384 extern void source_list_from_addr(const ADDRESS64* addr, int nlines);
385 extern void source_show_path(void);
386 extern void source_add_path(const char* path);
387 extern void source_nuke_path(struct dbg_process* p);
388 extern void source_free_files(struct dbg_process* p);
391 extern void stack_info(int len);
392 extern void stack_backtrace(DWORD threadID);
393 extern BOOL stack_set_frame(int newframe);
394 extern BOOL stack_get_current_frame(IMAGEHLP_STACK_FRAME* ihsf);
395 extern BOOL stack_get_register_frame(const struct dbg_internal_var* div, DWORD_PTR** pval);
396 extern unsigned stack_fetch_frames(const CONTEXT* ctx);
397 extern BOOL stack_get_current_symbol(SYMBOL_INFO* sym);
400 extern enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno, struct dbg_lvalue* addr, BOOL bp_disp);
401 extern void symbol_read_symtable(const char* filename, unsigned long offset);
402 extern enum dbg_line_status symbol_get_function_line_status(const ADDRESS64* addr);
403 extern BOOL symbol_get_line(const char* filename, const char* func, IMAGEHLP_LINE64* ret);
404 extern void symbol_info(const char* str);
405 extern void symbol_print_local(const SYMBOL_INFO* sym, DWORD_PTR base, BOOL detailed);
406 extern int symbol_info_locals(void);
407 extern BOOL symbol_is_local(const char* name);
409 typedef enum sym_get_lval (*symbol_picker_t)(const char* name, const struct sgv_data* sgv,
410 struct dbg_lvalue* rtn);
411 extern symbol_picker_t symbol_current_picker;
412 extern enum sym_get_lval symbol_picker_interactive(const char* name, const struct sgv_data* sgv,
413 struct dbg_lvalue* rtn);
414 extern enum sym_get_lval symbol_picker_scoped(const char* name, const struct sgv_data* sgv,
415 struct dbg_lvalue* rtn);
418 extern void dbg_run_debuggee(const char* args);
419 extern void dbg_wait_next_exception(DWORD cont, int count, int mode);
420 extern enum dbg_start dbg_active_attach(int argc, char* argv[]);
421 extern enum dbg_start dbg_active_launch(int argc, char* argv[]);
422 extern enum dbg_start dbg_active_auto(int argc, char* argv[]);
423 extern void dbg_active_wait_for_first_exception(void);
424 extern BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe);
427 extern void minidump_write(const char*, const EXCEPTION_RECORD*);
428 extern enum dbg_start minidump_reload(int argc, char* argv[]);
431 extern enum dbg_start tgt_module_load(const char* name, BOOL keep);
434 extern void print_value(const struct dbg_lvalue* addr, char format, int level);
435 extern int types_print_type(const struct dbg_type*, BOOL details);
436 extern int print_types(void);
437 extern long int types_extract_as_integer(const struct dbg_lvalue*);
438 extern LONGLONG types_extract_as_longlong(const struct dbg_lvalue*, unsigned* psize);
439 extern void types_extract_as_address(const struct dbg_lvalue*, ADDRESS64*);
440 extern BOOL types_udt_find_element(struct dbg_lvalue* value, const char* name, long int* tmpbuf);
441 extern BOOL types_array_index(const struct dbg_lvalue* value, int index, struct dbg_lvalue* result);
442 extern BOOL types_get_info(const struct dbg_type*, IMAGEHLP_SYMBOL_TYPE_INFO, void*);
443 extern BOOL types_get_real_type(struct dbg_type* type, DWORD* tag);
444 extern struct dbg_type types_find_pointer(const struct dbg_type* type);
445 extern struct dbg_type types_find_type(unsigned long linear, const char* name, enum SymTagEnum tag);
448 extern void dbg_outputW(const WCHAR* buffer, int len);
449 extern const char* dbg_W2A(const WCHAR* buffer, unsigned len);
451 extern int dbg_printf(const char* format, ...) __attribute__((format (printf,1,2)));
453 extern int dbg_printf(const char* format, ...);
455 extern const struct dbg_internal_var* dbg_get_internal_var(const char*);
456 extern BOOL dbg_interrupt_debuggee(void);
457 extern unsigned dbg_num_processes(void);
458 extern struct dbg_process* dbg_add_process(const struct be_process_io* pio, DWORD pid, HANDLE h);
459 extern void dbg_set_process_name(struct dbg_process* p, const WCHAR* name);
460 extern struct dbg_process* dbg_get_process(DWORD pid);
461 extern struct dbg_process* dbg_get_process_h(HANDLE handle);
462 extern void dbg_del_process(struct dbg_process* p);
463 struct dbg_thread* dbg_add_thread(struct dbg_process* p, DWORD tid, HANDLE h, void* teb);
464 extern struct dbg_thread* dbg_get_thread(struct dbg_process* p, DWORD tid);
465 extern void dbg_del_thread(struct dbg_thread* t);
466 extern BOOL dbg_init(HANDLE hProc, const WCHAR* in, BOOL invade);
467 extern BOOL dbg_load_module(HANDLE hProc, HANDLE hFile, const WCHAR* name, DWORD_PTR base, DWORD size);
468 extern BOOL dbg_get_debuggee_info(HANDLE hProcess, IMAGEHLP_MODULE64* imh_mod);
469 extern void dbg_set_option(const char*, const char*);
470 extern void dbg_start_interactive(HANDLE hFile);
471 extern void dbg_init_console(void);
474 extern int gdb_main(int argc, char* argv[]);
476 static inline BOOL dbg_read_memory(const void* addr, void* buffer, size_t len)
479 return dbg_curr_process->process_io->read(dbg_curr_process->handle, addr, buffer, len, &rlen) && len == rlen;
482 static inline BOOL dbg_write_memory(void* addr, const void* buffer, size_t len)
485 return dbg_curr_process->process_io->write(dbg_curr_process->handle, addr, buffer, len, &wlen) && len == wlen;
488 static inline void* dbg_heap_realloc(void* buffer, size_t size)
490 return (buffer) ? HeapReAlloc(GetProcessHeap(), 0, buffer, size) :
491 HeapAlloc(GetProcessHeap(), 0, size);
494 extern struct dbg_internal_var dbg_internal_vars[];
496 #define DBG_IVARNAME(_var) dbg_internal_var_##_var
497 #define DBG_IVARSTRUCT(_var) dbg_internal_vars[DBG_IVARNAME(_var)]
498 #define DBG_IVAR(_var) (*(DBG_IVARSTRUCT(_var).pval))
499 #define INTERNAL_VAR(_var,_val,_ref,itype) DBG_IVARNAME(_var),
507 /* include CPU dependent bits */
510 #endif /* __WINE_DEBUGGER_H */