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wine/programs/winedbg/debugger.h

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/*
* Debugger definitions
*
* Copyright 1995 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_DEBUGGER_H
#define __WINE_DEBUGGER_H
#include <assert.h>
#include <stdarg.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define WIN32_LEAN_AND_MEAN
#include "windef.h"
#include "winbase.h"
#include "winver.h"
#include "winternl.h"
#include "dbghelp.h"
#include "cvconst.h"
#include "objbase.h"
#include "oaidl.h"
#include <wine/list.h>
#define ADDRSIZE (be_cpu->pointer_size)
#define ADDRWIDTH (ADDRSIZE * 2)
/* the debugger uses these exceptions for it's internal use */
#define DEBUG_STATUS_OFFSET 0x80003000
#define DEBUG_STATUS_INTERNAL_ERROR (DEBUG_STATUS_OFFSET+0) /* something went wrong */
#define DEBUG_STATUS_NO_SYMBOL (DEBUG_STATUS_OFFSET+1) /* no symbol found in lookup */
#define DEBUG_STATUS_DIV_BY_ZERO (DEBUG_STATUS_OFFSET+2)
#define DEBUG_STATUS_BAD_TYPE (DEBUG_STATUS_OFFSET+3) /* no type found, when type was expected */
#define DEBUG_STATUS_NO_FIELD (DEBUG_STATUS_OFFSET+4) /* when dereferencing a struct, the field was not found */
#define DEBUG_STATUS_ABORT (DEBUG_STATUS_OFFSET+5) /* user aborted on going action */
#define DEBUG_STATUS_CANT_DEREF (DEBUG_STATUS_OFFSET+6) /* either not deref:able, or index out of bounds */
#define DEBUG_STATUS_NOT_AN_INTEGER (DEBUG_STATUS_OFFSET+7) /* requiring an integral value */
/*
* Return values for symbol_get_function_line_status. Used to determine
* what to do when the 'step' command is given.
*/
enum dbg_line_status
{
dbg_no_line_info,
dbg_not_on_a_line_number,
dbg_on_a_line_number,
dbg_in_a_thunk,
};
enum dbg_internal_types
{
dbg_itype_first = 0xffffff00,
dbg_itype_unsigned_int,
dbg_itype_signed_int,
dbg_itype_signed_char_int,
dbg_itype_unsigned_char_int,
dbg_itype_unsigned_short_int,
dbg_itype_signed_short_int,
dbg_itype_unsigned_long_int,
dbg_itype_signed_long_int,
dbg_itype_unsigned_longlong_int,
dbg_itype_signed_longlong_int,
dbg_itype_char,
dbg_itype_wchar,
dbg_itype_short_real, /* aka float */
dbg_itype_real, /* aka double */
dbg_itype_long_real, /* aka long double */
dbg_itype_astring,
dbg_itype_ustring,
dbg_itype_segptr, /* hack for segmented pointers */
dbg_itype_none = 0xffffffff
};
/* type description (in the following order):
* - if 'id' is dbg_itype_none (whatever 'module' value), the type isn't known
* - if 'module' is 0, it's an internal type (id is one of dbg_itype...)
* - if 'module' is non 0, then 'id' is a type ID referring to module (loaded in
* dbghelp) which (linear) contains address 'module'.
*/
struct dbg_type
{
unsigned long id;
DWORD_PTR module;
};
struct dbg_lvalue /* structure to hold left-values... */
{
int cookie; /* DLV_??? */
/* DLV_TARGET references an address in debuggee's address space, whereas DLV_HOST
* references the winedbg's address space
*/
# define DLV_TARGET 0xF00D
# define DLV_HOST 0x50DA
ADDRESS64 addr;
struct dbg_type type;
};
enum dbg_exec_mode
{
dbg_exec_cont, /* Continue execution */
dbg_exec_step_over_line, /* Stepping over a call to next source line */
dbg_exec_step_into_line, /* Step to next source line, stepping in if needed */
dbg_exec_step_over_insn, /* Stepping over a call */
dbg_exec_step_into_insn, /* Single-stepping an instruction */
dbg_exec_finish, /* Single-step until we exit current frame */
#if 0
EXEC_STEP_OVER_TRAMPOLINE, /* Step over trampoline. Requires that we dig the real
* return value off the stack and set breakpoint there -
* not at the instr just after the call.
*/
#endif
};
struct dbg_breakpoint
{
ADDRESS64 addr;
unsigned long enabled : 1,
xpoint_type : 2,
refcount : 13,
skipcount : 16;
unsigned long info;
struct /* only used for watchpoints */
{
BYTE len : 2;
DWORD64 oldval;
} w;
struct expr* condition;
};
/* used for C++ exceptions in msvcrt
* parameters:
* [0] CXX_FRAME_MAGIC
* [1] pointer to exception object
* [2] pointer to type
*/
#define CXX_EXCEPTION 0xe06d7363
#define CXX_FRAME_MAGIC 0x19930520
/* Wine extension; Windows doesn't have a name for this code. This is an
undocumented exception understood by MS VC debugger, allowing the program
to name a particular thread. Search google.com or deja.com for "0x406d1388"
for more info. */
#define EXCEPTION_NAME_THREAD 0x406D1388
/* Helper structure */
typedef struct tagTHREADNAME_INFO
{
DWORD dwType; /* Must be 0x1000 */
LPCSTR szName; /* Pointer to name - limited to 9 bytes (8 characters + terminator) */
DWORD dwThreadID; /* Thread ID (-1 = caller thread) */
DWORD dwFlags; /* Reserved for future use. Must be zero. */
} THREADNAME_INFO;
struct dbg_thread
{
struct list entry;
struct dbg_process* process;
HANDLE handle;
DWORD tid;
void* teb;
enum dbg_exec_mode exec_mode; /* mode the thread is run (step/run...) */
int exec_count; /* count of mode operations */
ADDRESS_MODE addr_mode; /* mode */
int stopped_xpoint; /* xpoint on which the thread has stopped (-1 if none) */
struct dbg_breakpoint step_over_bp;
char name[9];
BOOL in_exception; /* TRUE if thread stopped with an exception */
BOOL first_chance; /* TRUE if thread stopped with a first chance exception
* - only valid when in_exception is TRUE
*/
EXCEPTION_RECORD excpt_record; /* only valid when in_exception is TRUE */
struct
{
ADDRESS64 addr_pc;
ADDRESS64 addr_frame;
ADDRESS64 addr_stack;
DWORD_PTR linear_pc;
DWORD_PTR linear_frame;
DWORD_PTR linear_stack;
CONTEXT context; /* context we got out of stackwalk for this frame */
BOOL is_ctx_valid; /* is the context above valid */
}* frames;
int num_frames;
int curr_frame;
};
struct dbg_delayed_bp
{
BOOL is_symbol;
BOOL software_bp;
union
{
struct
{
int lineno;
char* name;
} symbol;
ADDRESS64 addr;
} u;
};
#define MAX_BREAKPOINTS 100
struct dbg_process
{
struct list entry;
HANDLE handle;
DWORD pid;
const struct be_process_io* process_io;
void* pio_data;
const WCHAR* imageName;
struct list threads;
unsigned continue_on_first_exception : 1,
active_debuggee : 1;
struct dbg_breakpoint bp[MAX_BREAKPOINTS];
unsigned next_bp;
struct dbg_delayed_bp* delayed_bp;
int num_delayed_bp;
struct open_file_list* source_ofiles;
char* search_path;
char source_current_file[MAX_PATH];
int source_start_line;
int source_end_line;
};
/* describes the way the debugger interacts with a given process */
struct be_process_io
{
BOOL (*close_process)(struct dbg_process*, BOOL);
BOOL (*read)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
BOOL (*write)(HANDLE, void*, const void*, SIZE_T, SIZE_T*);
BOOL (*get_selector)(HANDLE, DWORD, LDT_ENTRY*);
};
extern struct dbg_process* dbg_curr_process;
extern DWORD_PTR dbg_curr_pid;
extern struct dbg_thread* dbg_curr_thread;
extern DWORD_PTR dbg_curr_tid;
extern CONTEXT dbg_context;
extern BOOL dbg_interactiveP;
struct dbg_internal_var
{
DWORD_PTR val;
const char* name;
DWORD_PTR *pval;
unsigned long typeid; /* always internal type */
};
enum sym_get_lval {sglv_found, sglv_unknown, sglv_aborted};
enum type_expr_e
{
type_expr_type_id,
type_expr_udt_class,
type_expr_udt_struct,
type_expr_udt_union,
type_expr_enumeration
};
struct type_expr_t
{
enum type_expr_e type;
unsigned deref_count;
union
{
struct dbg_type type;
const char* name;
} u;
};
enum dbg_start {start_ok, start_error_parse, start_error_init};
/* break.c */
extern void break_set_xpoints(BOOL set);
extern BOOL break_add_break(const ADDRESS64* addr, BOOL verbose, BOOL swbp);
extern BOOL break_add_break_from_lvalue(const struct dbg_lvalue* value, BOOL swbp);
extern void break_add_break_from_id(const char* name, int lineno, BOOL swbp);
extern void break_add_break_from_lineno(const char *filename, int lineno, BOOL swbp);
extern void break_add_watch_from_lvalue(const struct dbg_lvalue* lvalue, BOOL is_write);
extern void break_add_watch_from_id(const char* name, BOOL is_write);
extern void break_check_delayed_bp(void);
extern void break_delete_xpoint(int num);
extern void break_delete_xpoints_from_module(DWORD64 base);
extern void break_enable_xpoint(int num, BOOL enable);
extern void break_info(void);
extern void break_adjust_pc(ADDRESS64* addr, DWORD code, BOOL first_chance, BOOL* is_break);
extern BOOL break_should_continue(ADDRESS64* addr, DWORD code);
extern void break_suspend_execution(void);
extern void break_restart_execution(int count);
extern int break_add_condition(int bpnum, struct expr* exp);
/* crashdlg.c */
extern BOOL display_crash_dialog(void);
extern int msgbox_res_id(HWND hwnd, UINT textId, UINT captionId, UINT uType);
/* dbg.y */
extern void parser_handle(HANDLE);
extern int input_read_line(const char* pfx, char* buffer, int size);
extern int input_fetch_entire_line(const char* pfx, char** line);
extern HANDLE parser_generate_command_file(const char*, ...);
/* debug.l */
extern void lexeme_flush(void);
extern char* lexeme_alloc_size(int);
/* display.c */
extern int display_print(void);
extern int display_add(struct expr* exp, int count, char format);
extern int display_delete(int displaynum);
extern int display_info(void);
extern int display_enable(int displaynum, int enable);
/* expr.c */
extern void expr_free_all(void);
extern struct expr* expr_alloc_internal_var(const char* name);
extern struct expr* expr_alloc_symbol(const char* name);
extern struct expr* expr_alloc_sconstant(long int val);
extern struct expr* expr_alloc_uconstant(long unsigned val);
extern struct expr* expr_alloc_string(const char* str);
extern struct expr* expr_alloc_binary_op(int oper, struct expr*, struct expr*);
extern struct expr* expr_alloc_unary_op(int oper, struct expr*);
extern struct expr* expr_alloc_pstruct(struct expr*, const char* element);
extern struct expr* expr_alloc_struct(struct expr*, const char* element);
extern struct expr* expr_alloc_func_call(const char*, int nargs, ...);
extern struct expr* expr_alloc_typecast(struct type_expr_t*, struct expr*);
extern struct dbg_lvalue expr_eval(struct expr*);
extern struct expr* expr_clone(const struct expr* exp, BOOL *local_binding);
extern int expr_free(struct expr* exp);
extern int expr_print(const struct expr* exp);
/* info.c */
extern void print_help(void);
extern void info_help(void);
extern void info_win32_module(DWORD64 mod);
extern void info_win32_class(HWND hWnd, const char* clsName);
extern void info_win32_window(HWND hWnd, BOOL detailed);
extern void info_win32_processes(void);
extern void info_win32_threads(void);
extern void info_win32_frame_exceptions(DWORD tid);
extern void info_win32_virtual(DWORD pid);
extern void info_win32_segments(DWORD start, int length);
extern void info_win32_exception(void);
extern void info_wine_dbg_channel(BOOL add, const char* chnl, const char* name);
/* memory.c */
extern BOOL memory_read_value(const struct dbg_lvalue* lvalue, DWORD size, void* result);
extern BOOL memory_write_value(const struct dbg_lvalue* val, DWORD size, void* value);
extern void memory_examine(const struct dbg_lvalue *lvalue, int count, char format);
extern void* memory_to_linear_addr(const ADDRESS64* address);
extern BOOL memory_get_current_pc(ADDRESS64* address);
extern BOOL memory_get_current_stack(ADDRESS64* address);
extern BOOL memory_get_string(struct dbg_process* pcs, void* addr, BOOL in_debuggee, BOOL unicode, char* buffer, int size);
extern BOOL memory_get_string_indirect(struct dbg_process* pcs, void* addr, BOOL unicode, WCHAR* buffer, int size);
extern BOOL memory_get_register(DWORD regno, DWORD_PTR** value, char* buffer, int len);
extern void memory_disassemble(const struct dbg_lvalue*, const struct dbg_lvalue*, int instruction_count);
extern BOOL memory_disasm_one_insn(ADDRESS64* addr);
#define MAX_OFFSET_TO_STR_LEN 19
extern char* memory_offset_to_string(char *str, DWORD64 offset, unsigned mode);
extern void print_bare_address(const ADDRESS64* addr);
extern void print_address(const ADDRESS64* addr, BOOLEAN with_line);
extern void print_basic(const struct dbg_lvalue* value, char format);
/* source.c */
extern void source_list(IMAGEHLP_LINE64* src1, IMAGEHLP_LINE64* src2, int delta);
extern void source_list_from_addr(const ADDRESS64* addr, int nlines);
extern void source_show_path(void);
extern void source_add_path(const char* path);
extern void source_nuke_path(struct dbg_process* p);
extern void source_free_files(struct dbg_process* p);
/* stack.c */
extern void stack_info(int len);
extern void stack_backtrace(DWORD threadID);
extern BOOL stack_set_frame(int newframe);
extern BOOL stack_get_current_frame(IMAGEHLP_STACK_FRAME* ihsf);
extern BOOL stack_get_register_frame(const struct dbg_internal_var* div, DWORD_PTR** pval);
extern unsigned stack_fetch_frames(const CONTEXT* ctx);
extern BOOL stack_get_current_symbol(SYMBOL_INFO* sym);
/* symbol.c */
extern enum sym_get_lval symbol_get_lvalue(const char* name, const int lineno, struct dbg_lvalue* addr, BOOL bp_disp);
extern void symbol_read_symtable(const char* filename, unsigned long offset);
extern enum dbg_line_status symbol_get_function_line_status(const ADDRESS64* addr);
extern BOOL symbol_get_line(const char* filename, const char* func, IMAGEHLP_LINE64* ret);
extern void symbol_info(const char* str);
extern void symbol_print_local(const SYMBOL_INFO* sym, DWORD_PTR base, BOOL detailed);
extern int symbol_info_locals(void);
extern BOOL symbol_is_local(const char* name);
struct sgv_data;
typedef enum sym_get_lval (*symbol_picker_t)(const char* name, const struct sgv_data* sgv,
struct dbg_lvalue* rtn);
extern symbol_picker_t symbol_current_picker;
extern enum sym_get_lval symbol_picker_interactive(const char* name, const struct sgv_data* sgv,
struct dbg_lvalue* rtn);
extern enum sym_get_lval symbol_picker_scoped(const char* name, const struct sgv_data* sgv,
struct dbg_lvalue* rtn);
/* tgt_active.c */
extern void dbg_run_debuggee(const char* args);
extern void dbg_wait_next_exception(DWORD cont, int count, int mode);
extern enum dbg_start dbg_active_attach(int argc, char* argv[]);
extern enum dbg_start dbg_active_launch(int argc, char* argv[]);
extern enum dbg_start dbg_active_auto(int argc, char* argv[]);
extern void dbg_active_wait_for_first_exception(void);
extern BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe);
/* tgt_minidump.c */
extern void minidump_write(const char*, const EXCEPTION_RECORD*);
extern enum dbg_start minidump_reload(int argc, char* argv[]);
/* tgt_module.c */
extern enum dbg_start tgt_module_load(const char* name, BOOL keep);
/* types.c */
extern void print_value(const struct dbg_lvalue* addr, char format, int level);
extern int types_print_type(const struct dbg_type*, BOOL details);
extern int print_types(void);
extern long int types_extract_as_integer(const struct dbg_lvalue*);
extern LONGLONG types_extract_as_longlong(const struct dbg_lvalue*, unsigned* psize);
extern void types_extract_as_address(const struct dbg_lvalue*, ADDRESS64*);
extern BOOL types_udt_find_element(struct dbg_lvalue* value, const char* name, long int* tmpbuf);
extern BOOL types_array_index(const struct dbg_lvalue* value, int index, struct dbg_lvalue* result);
extern BOOL types_get_info(const struct dbg_type*, IMAGEHLP_SYMBOL_TYPE_INFO, void*);
extern BOOL types_get_real_type(struct dbg_type* type, DWORD* tag);
extern struct dbg_type types_find_pointer(const struct dbg_type* type);
extern struct dbg_type types_find_type(unsigned long linear, const char* name, enum SymTagEnum tag);
/* winedbg.c */
extern void dbg_outputW(const WCHAR* buffer, int len);
extern const char* dbg_W2A(const WCHAR* buffer, unsigned len);
#ifdef __GNUC__
extern int dbg_printf(const char* format, ...) __attribute__((format (printf,1,2)));
#else
extern int dbg_printf(const char* format, ...);
#endif
extern const struct dbg_internal_var* dbg_get_internal_var(const char*);
extern BOOL dbg_interrupt_debuggee(void);
extern unsigned dbg_num_processes(void);
extern struct dbg_process* dbg_add_process(const struct be_process_io* pio, DWORD pid, HANDLE h);
extern void dbg_set_process_name(struct dbg_process* p, const WCHAR* name);
extern struct dbg_process* dbg_get_process(DWORD pid);
extern struct dbg_process* dbg_get_process_h(HANDLE handle);
extern void dbg_del_process(struct dbg_process* p);
struct dbg_thread* dbg_add_thread(struct dbg_process* p, DWORD tid, HANDLE h, void* teb);
extern struct dbg_thread* dbg_get_thread(struct dbg_process* p, DWORD tid);
extern void dbg_del_thread(struct dbg_thread* t);
extern BOOL dbg_init(HANDLE hProc, const WCHAR* in, BOOL invade);
extern BOOL dbg_load_module(HANDLE hProc, HANDLE hFile, const WCHAR* name, DWORD_PTR base, DWORD size);
extern BOOL dbg_get_debuggee_info(HANDLE hProcess, IMAGEHLP_MODULE64* imh_mod);
extern void dbg_set_option(const char*, const char*);
extern void dbg_start_interactive(HANDLE hFile);
extern void dbg_init_console(void);
/* gdbproxy.c */
extern int gdb_main(int argc, char* argv[]);
static inline BOOL dbg_read_memory(const void* addr, void* buffer, size_t len)
{
SIZE_T rlen;
return dbg_curr_process->process_io->read(dbg_curr_process->handle, addr, buffer, len, &rlen) && len == rlen;
}
static inline BOOL dbg_write_memory(void* addr, const void* buffer, size_t len)
{
SIZE_T wlen;
return dbg_curr_process->process_io->write(dbg_curr_process->handle, addr, buffer, len, &wlen) && len == wlen;
}
static inline void* dbg_heap_realloc(void* buffer, size_t size)
{
return (buffer) ? HeapReAlloc(GetProcessHeap(), 0, buffer, size) :
HeapAlloc(GetProcessHeap(), 0, size);
}
extern struct dbg_internal_var dbg_internal_vars[];
#define DBG_IVARNAME(_var) dbg_internal_var_##_var
#define DBG_IVARSTRUCT(_var) dbg_internal_vars[DBG_IVARNAME(_var)]
#define DBG_IVAR(_var) (*(DBG_IVARSTRUCT(_var).pval))
#define INTERNAL_VAR(_var,_val,_ref,itype) DBG_IVARNAME(_var),
enum debug_int_var
{
#include "intvar.h"
DBG_IV_LAST
};
#undef INTERNAL_VAR
/* include CPU dependent bits */
#include "be_cpu.h"
#endif /* __WINE_DEBUGGER_H */
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