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wine/debugger/debugger.h
Eric Pouech d33bcb6139 Introduced DBG_VALUE struct to manipulate debugger/debuggee address space. 
Added watch (hardware assisted debugging) and whatis (type of expr) commands.
Fixed some issues in local vars handling (stabs parsing & registers optimization).
2000-03-15 19:57:20 +00:00

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/*
* Debugger definitions
*
* Copyright 1995 Alexandre Julliard
*/
#ifndef __WINE_DEBUGGER_H
#define __WINE_DEBUGGER_H
#include <sys/types.h> /* u_long ... */
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#ifdef __i386__
#define STEP_FLAG 0x00000100 /* single step flag */
#define V86_FLAG 0x00020000
#endif
#define SYM_FUNC 0x0
#define SYM_DATA 0x1
#define SYM_WIN32 0x2
#define SYM_WINE 0x4
#define SYM_INVALID 0x8
#define SYM_TRAMPOLINE 0x10
#define SYM_STEP_THROUGH 0x20
enum debug_type {DT_BASIC, DT_CONST, DT_POINTER, DT_ARRAY, DT_STRUCT, DT_ENUM, DT_TYPEDEF, DT_FUNC, DT_BITFIELD};
/*
* Return values for DEBUG_CheckLinenoStatus. Used to determine
* what to do when the 'step' command is given.
*/
#define FUNC_HAS_NO_LINES (0)
#define NOT_ON_LINENUMBER (1)
#define AT_LINENUMBER (2)
#define FUNC_IS_TRAMPOLINE (3)
/*
* For constants generated by the parser, we use this datatype
*/
extern struct datatype * DEBUG_TypeInt;
extern struct datatype * DEBUG_TypeIntConst;
extern struct datatype * DEBUG_TypeUSInt;
extern struct datatype * DEBUG_TypeString;
typedef struct
{
DWORD seg; /* 0xffffffff means current default segment (cs or ds) */
DWORD off;
} DBG_ADDR;
#define DV_TARGET 0xF00D
#define DV_HOST 0x50DA
typedef struct
{
struct datatype* type;
int cookie; /* DV_??? */
DBG_ADDR addr;
} DBG_VALUE;
struct list_id
{
char * sourcefile;
int line;
};
struct wine_lines {
unsigned long line_number;
DBG_ADDR pc_offset;
};
struct symbol_info
{
struct name_hash * sym;
struct list_id list;
};
typedef struct wine_lines WineLineNo;
/*
* This structure holds information about stack variables, function
* parameters, and register variables, which are all local to this
* function.
*/
struct wine_locals {
unsigned int regno:8; /* For register symbols */
signed int offset:24; /* offset from esp/ebp to symbol */
unsigned int pc_start; /* For RBRAC/LBRAC */
unsigned int pc_end; /* For RBRAC/LBRAC */
char * name; /* Name of symbol */
struct datatype * type; /* Datatype of symbol */
};
typedef struct wine_locals WineLocals;
enum exec_mode
{
EXEC_CONT, /* Continuous execution */
EXEC_PASS, /* Continue, passing exception to app */
EXEC_STEP_OVER, /* Stepping over a call to next source line */
EXEC_STEP_INSTR, /* Step to next source line, stepping in if needed */
EXEC_STEPI_OVER, /* Stepping over a call */
EXEC_STEPI_INSTR, /* Single-stepping an instruction */
EXEC_FINISH, /* Step until we exit current frame */
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.
*/
};
#define DBG_BREAK 0
#define DBG_WATCH 1
typedef struct
{
DBG_ADDR addr;
WORD enabled : 1,
type : 1,
is32 : 1,
refcount : 13;
WORD skipcount;
union {
BYTE opcode;
struct {
BYTE rw : 1,
len : 2;
BYTE reg;
DWORD oldval;
} w;
} u;
struct expr * condition;
} BREAKPOINT;
typedef struct tagWINE_DBG_THREAD {
struct tagWINE_DBG_PROCESS* process;
HANDLE handle;
DWORD tid;
LPVOID start;
LPVOID teb;
int wait_for_first_exception;
int dbg_mode;
enum exec_mode dbg_exec_mode;
int dbg_exec_count;
BREAKPOINT stepOverBP;
struct tagWINE_DBG_THREAD* next;
struct tagWINE_DBG_THREAD* prev;
} WINE_DBG_THREAD;
typedef struct tagWINE_DBG_PROCESS {
HANDLE handle;
DWORD pid;
WINE_DBG_THREAD* threads;
struct tagWINE_DBG_PROCESS* next;
struct tagWINE_DBG_PROCESS* prev;
} WINE_DBG_PROCESS;
extern WINE_DBG_PROCESS* DEBUG_CurrProcess;
extern WINE_DBG_THREAD* DEBUG_CurrThread;
extern CONTEXT DEBUG_context;
#define DEBUG_READ_MEM(addr, buf, len) \
(ReadProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
#define DEBUG_WRITE_MEM(addr, buf, len) \
(WriteProcessMemory(DEBUG_CurrProcess->handle, (addr), (buf), (len), NULL))
#define DEBUG_READ_MEM_VERBOSE(addr, buf, len) \
(DEBUG_READ_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
#define DEBUG_WRITE_MEM_VERBOSE(addr, buf, len) \
(DEBUG_WRITE_MEM((addr), (buf), (len)) || (DEBUG_InvalLinAddr( addr ),0))
#ifdef __i386__
#ifdef REG_SP /* Some Sun includes define this */
#undef REG_SP
#endif
enum debug_regs
{
REG_EAX, REG_EBX, REG_ECX, REG_EDX, REG_ESI,
REG_EDI, REG_EBP, REG_EFL, REG_EIP, REG_ESP,
REG_AX, REG_BX, REG_CX, REG_DX, REG_SI,
REG_DI, REG_BP, REG_FL, REG_IP, REG_SP,
REG_CS, REG_DS, REG_ES, REG_SS, REG_FS, REG_GS
};
#endif
#define OFFSET_OF(__c,__f) ((int)(((char*)&(((__c*)0)->__f))-((char*)0)))
/* debugger/break.c */
extern void DEBUG_SetBreakpoints( BOOL set );
extern void DEBUG_AddBreakpoint( const DBG_VALUE *addr );
extern void DEBUG_AddWatchpoint( const DBG_VALUE *addr, int is_write );
extern void DEBUG_DelBreakpoint( int num );
extern void DEBUG_EnableBreakpoint( int num, BOOL enable );
extern void DEBUG_InfoBreakpoints(void);
extern BOOL DEBUG_HandleTrap(void);
extern BOOL DEBUG_ShouldContinue( DWORD code, enum exec_mode mode, int * count );
extern void DEBUG_SuspendExecution( void );
extern enum exec_mode DEBUG_RestartExecution( enum exec_mode mode, int count );
extern BOOL DEBUG_IsFctReturn(void);
extern int DEBUG_AddBPCondition(int bpnum, struct expr * exp);
/* debugger/db_disasm.c */
extern void DEBUG_Disasm( DBG_ADDR *addr, int display );
/* debugger/expr.c */
extern void DEBUG_FreeExprMem(void);
struct expr * DEBUG_RegisterExpr(enum debug_regs);
struct expr * DEBUG_SymbolExpr(const char * name);
struct expr * DEBUG_ConstExpr(int val);
struct expr * DEBUG_StringExpr(const char * str);
struct expr * DEBUG_SegAddr(struct expr *, struct expr *);
struct expr * DEBUG_USConstExpr(unsigned int val);
struct expr * DEBUG_BinopExpr(int oper, struct expr *, struct expr *);
struct expr * DEBUG_UnopExpr(int oper, struct expr *);
struct expr * DEBUG_StructPExpr(struct expr *, const char * element);
struct expr * DEBUG_StructExpr(struct expr *, const char * element);
struct expr * DEBUG_ArrayExpr(struct expr *, struct expr * index);
struct expr * DEBUG_CallExpr(const char *, int nargs, ...);
struct expr * DEBUG_TypeCastExpr(struct datatype *, struct expr *);
extern DBG_VALUE DEBUG_EvalExpr(struct expr *);
extern int DEBUG_DelDisplay(int displaynum);
extern struct expr * DEBUG_CloneExpr(const struct expr * exp);
extern int DEBUG_FreeExpr(struct expr * exp);
extern int DEBUG_DisplayExpr(const struct expr * exp);
/* debugger/display.c */
extern int DEBUG_DoDisplay(void);
extern int DEBUG_AddDisplay(struct expr * exp, int count, char format);
extern int DEBUG_DoDisplay(void);
extern int DEBUG_DelDisplay(int displaynum);
extern int DEBUG_InfoDisplay(void);
/* debugger/hash.c */
extern struct name_hash * DEBUG_AddSymbol( const char *name,
const DBG_VALUE *addr,
const char *sourcefile,
int flags);
extern BOOL DEBUG_GetSymbolValue( const char * name, const int lineno,
DBG_VALUE *addr, int );
extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *addr );
extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
struct name_hash ** rtn,
unsigned int ebp,
struct list_id * source);
extern void DEBUG_ReadSymbolTable( const char * filename );
extern int DEBUG_LoadEntryPoints( const char * prefix );
extern void DEBUG_AddLineNumber( struct name_hash * func, int line_num,
unsigned long offset );
extern struct wine_locals *
DEBUG_AddLocal( struct name_hash * func, int regno,
int offset,
int pc_start,
int pc_end,
char * name);
extern int DEBUG_CheckLinenoStatus(const DBG_ADDR *addr);
extern void DEBUG_GetFuncInfo(struct list_id * ret, const char * file,
const char * func);
extern int DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len);
extern int DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int len);
extern int DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr);
extern int DEBUG_cmp_sym(const void * p1, const void * p2);
extern BOOL DEBUG_GetLineNumberAddr( struct name_hash *, const int lineno,
DBG_ADDR *addr, int bp_flag );
extern int DEBUG_SetLocalSymbolType(struct wine_locals * sym,
struct datatype * type);
BOOL DEBUG_Normalize(struct name_hash * nh );
/* debugger/info.c */
extern void DEBUG_PrintBasic( const DBG_VALUE* value, int count, char format );
extern struct symbol_info DEBUG_PrintAddress( const DBG_ADDR *addr,
int addrlen, int flag );
extern void DEBUG_Help(void);
extern void DEBUG_HelpInfo(void);
extern struct symbol_info DEBUG_PrintAddressAndArgs( const DBG_ADDR *addr,
int addrlen,
unsigned int ebp,
int flag );
extern void DEBUG_InfoClass(const char* clsName);
extern void DEBUG_WalkClasses(void);
extern void DEBUG_WalkModref(DWORD p);
extern void DEBUG_DumpModule(DWORD mod);
extern void DEBUG_WalkModules(void);
extern void DEBUG_WalkProcess(void);
extern void DEBUG_DumpQueue(DWORD q);
extern void DEBUG_WalkQueues(void);
extern void DEBUG_InfoSegments(DWORD s, int v);
extern void DEBUG_InfoVirtual(void);
extern void DEBUG_InfoWindow(HWND hWnd);
extern void DEBUG_WalkWindows(HWND hWnd, int indent);
/* debugger/memory.c */
extern int DEBUG_ReadMemory( const DBG_ADDR *address );
extern void DEBUG_WriteMemory( const DBG_ADDR *address, int value );
extern void DEBUG_ExamineMemory( const DBG_VALUE *addr, int count, char format);
extern void DEBUG_InvalLinAddr( void* addr );
#ifdef __i386__
extern void DEBUG_GetCurrentAddress( DBG_ADDR * );
extern DWORD DEBUG_ToLinear( const DBG_ADDR *address );
extern void DEBUG_FixAddress( DBG_ADDR *address, DWORD def );
extern BOOL DEBUG_FixSegment( DBG_ADDR* addr );
extern int DEBUG_GetSelectorType( WORD sel );
extern int DEBUG_IsSelectorSystem( WORD sel );
#endif
/* debugger/registers.c */
extern void DEBUG_SetRegister( enum debug_regs reg, int val );
extern int DEBUG_GetRegister( enum debug_regs reg );
extern void DEBUG_InfoRegisters(void);
extern BOOL DEBUG_ValidateRegisters(void);
extern int DEBUG_PrintRegister(enum debug_regs reg);
/* debugger/stack.c */
extern void DEBUG_InfoStack(void);
extern void DEBUG_BackTrace(BOOL noisy);
extern int DEBUG_InfoLocals(void);
extern int DEBUG_SetFrame(int newframe);
extern int DEBUG_GetCurrentFrame(struct name_hash ** name,
unsigned int * eip,
unsigned int * ebp);
/* debugger/stabs.c */
extern int DEBUG_ReadExecutableDbgInfo(void);
extern int DEBUG_ParseStabs(char * addr, unsigned int load_offset, unsigned int staboff,
int stablen, unsigned int strtaboff, int strtablen);
/* debugger/msc.c */
extern int DEBUG_RegisterDebugInfo( HMODULE, const char *);
extern int DEBUG_ProcessDeferredDebug(void);
extern int DEBUG_RegisterELFDebugInfo(int load_addr, u_long size, const char * name);
extern void DEBUG_InfoShare(void);
extern void DEBUG_InitCVDataTypes(void);
/* debugger/types.c */
extern int DEBUG_nchar;
extern void DEBUG_InitTypes(void);
extern struct datatype * DEBUG_NewDataType(enum debug_type xtype,
const char * typename);
extern unsigned int DEBUG_TypeDerefPointer(const DBG_VALUE *value, struct datatype ** newtype);
extern int DEBUG_AddStructElement(struct datatype * dt,
char * name, struct datatype * type,
int offset, int size);
extern int DEBUG_SetStructSize(struct datatype * dt, int size);
extern int DEBUG_SetPointerType(struct datatype * dt, struct datatype * dt2);
extern int DEBUG_SetArrayParams(struct datatype * dt, int min, int max,
struct datatype * dt2);
extern void DEBUG_Print( const DBG_VALUE *addr, int count, char format, int level );
extern unsigned int DEBUG_FindStructElement(DBG_VALUE * addr,
const char * ele_name, int * tmpbuf);
extern struct datatype * DEBUG_GetPointerType(struct datatype * dt);
extern int DEBUG_GetObjectSize(struct datatype * dt);
extern unsigned int DEBUG_ArrayIndex(const DBG_VALUE * addr, DBG_VALUE * result, int index);
extern struct datatype * DEBUG_FindOrMakePointerType(struct datatype * reftype);
extern long long int DEBUG_GetExprValue(const DBG_VALUE * addr, char ** format);
extern int DEBUG_SetBitfieldParams(struct datatype * dt, int offset,
int nbits, struct datatype * dt2);
extern int DEBUG_CopyFieldlist(struct datatype * dt, struct datatype * dt2);
extern enum debug_type DEBUG_GetType(struct datatype * dt);
extern struct datatype * DEBUG_TypeCast(enum debug_type, const char *);
extern int DEBUG_PrintTypeCast(const struct datatype *);
extern int DEBUG_PrintType( const DBG_VALUE* addr );
/* debugger/source.c */
extern void DEBUG_ShowDir(void);
extern void DEBUG_AddPath(const char * path);
extern void DEBUG_List(struct list_id * line1, struct list_id * line2,
int delta);
extern void DEBUG_NukePath(void);
extern void DEBUG_Disassemble( const DBG_VALUE *, const DBG_VALUE*, int offset );
/* debugger/external.c */
extern void DEBUG_ExternalDebugger(void);
/* debugger/dbg.y */
extern void DEBUG_Exit( DWORD exit_code );
extern BOOL DEBUG_Main( BOOL is_debug, BOOL force, DWORD code );
/* Choose your allocator! */
#if 1
/* this one is libc's fast one */
extern void* DEBUG_XMalloc(size_t size);
extern void* DEBUG_XReAlloc(void *ptr, size_t size);
extern char* DEBUG_XStrDup(const char *str);
#define DBG_alloc(x) DEBUG_XMalloc(x)
#define DBG_realloc(x,y) DEBUG_XReAlloc(x,y)
#define DBG_free(x) free(x)
#define DBG_strdup(x) DEBUG_XStrDup(x)
#else
/* this one is slow (takes 5 minutes to load the debugger on my machine),
but is pretty crash-proof (can step through malloc() without problems,
malloc() arena (and other heaps) can be totally wasted and it'll still
work, etc... if someone could make optimized routines so it wouldn't
take so long to load, it could be made default) */
#include "heap.h"
#define DBG_alloc(x) HEAP_xalloc(dbg_heap,0,x)
#define DBG_realloc(x,y) HEAP_xrealloc(dbg_heap,0,x,y)
#define DBG_free(x) HeapFree(dbg_heap,0,x)
#define DBG_strdup(x) HEAP_strdupA(dbg_heap,0,x)
#define DBG_need_heap
extern HANDLE dbg_heap;
#endif
#define DEBUG_STATUS_OFFSET 0x80003000
#define DEBUG_STATUS_INTERNAL_ERROR (DEBUG_STATUS_OFFSET+0)
#define DEBUG_STATUS_NO_SYMBOL (DEBUG_STATUS_OFFSET+1)
#define DEBUG_STATUS_DIV_BY_ZERO (DEBUG_STATUS_OFFSET+2)
#define DEBUG_STATUS_BAD_TYPE (DEBUG_STATUS_OFFSET+3)
#endif /* __WINE_DEBUGGER_H */
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