345 lines
12 KiB
C
345 lines
12 KiB
C
/*
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* Debugger definitions
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*
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* Copyright 1995 Alexandre Julliard
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*/
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#ifndef __WINE_DEBUGGER_H
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#define __WINE_DEBUGGER_H
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#include <sys/types.h> /* u_long ... */
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#include "windef.h"
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#include "sig_context.h"
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#include "miscemu.h"
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#define STEP_FLAG 0x100 /* single step flag */
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#define SYM_FUNC 0x0
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#define SYM_DATA 0x1
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#define SYM_WIN32 0x2
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#define SYM_WINE 0x4
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#define SYM_INVALID 0x8
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#define SYM_TRAMPOLINE 0x10
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#define SYM_STEP_THROUGH 0x20
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enum debug_type {DT_BASIC, DT_CONST, DT_POINTER, DT_ARRAY, DT_STRUCT, DT_ENUM, DT_TYPEDEF, DT_FUNC, DT_BITFIELD};
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/*
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* Return values for DEBUG_CheckLinenoStatus. Used to determine
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* what to do when the 'step' command is given.
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*/
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#define FUNC_HAS_NO_LINES (0)
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#define NOT_ON_LINENUMBER (1)
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#define AT_LINENUMBER (2)
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#define FUNC_IS_TRAMPOLINE (3)
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/*
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* For constants generated by the parser, we use this datatype
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*/
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extern struct datatype * DEBUG_TypeInt;
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extern struct datatype * DEBUG_TypeIntConst;
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extern struct datatype * DEBUG_TypeUSInt;
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extern struct datatype * DEBUG_TypeString;
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typedef struct
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{
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struct datatype * type;
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DWORD seg; /* 0xffffffff means current default segment (cs or ds) */
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DWORD off;
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} DBG_ADDR;
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struct list_id
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{
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char * sourcefile;
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int line;
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};
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struct wine_lines {
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unsigned long line_number;
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DBG_ADDR pc_offset;
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};
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struct symbol_info
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{
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struct name_hash * sym;
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struct list_id list;
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};
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typedef struct wine_lines WineLineNo;
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/*
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* This structure holds information about stack variables, function
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* parameters, and register variables, which are all local to this
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* function.
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*/
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struct wine_locals {
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unsigned int regno:8; /* For register symbols */
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signed int offset:24; /* offset from esp/ebp to symbol */
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unsigned int pc_start; /* For RBRAC/LBRAC */
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unsigned int pc_end; /* For RBRAC/LBRAC */
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char * name; /* Name of symbol */
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struct datatype * type; /* Datatype of symbol */
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};
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typedef struct wine_locals WineLocals;
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#define DBG_V86_MODULE(seg) ((seg)>>16)
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#define IS_SELECTOR_V86(seg) DBG_V86_MODULE(seg)
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#define DBG_FIX_ADDR_SEG(addr,default) { \
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if ((addr)->seg == 0xffffffff) (addr)->seg = (default); \
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if (!IS_SELECTOR_V86((addr)->seg)) \
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if (IS_SELECTOR_SYSTEM((addr)->seg)) (addr)->seg = 0; }
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#define DBG_ADDR_TO_LIN(addr) \
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(IS_SELECTOR_V86((addr)->seg) \
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? (char*)(DOSMEM_MemoryBase(DBG_V86_MODULE((addr)->seg)) + \
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((((addr)->seg)&0xFFFF)<<4)+(addr)->off) : \
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(IS_SELECTOR_SYSTEM((addr)->seg) ? (char *)(addr)->off \
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: (char *)PTR_SEG_OFF_TO_LIN((addr)->seg,(addr)->off)))
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#define DBG_CHECK_READ_PTR(addr,len) \
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(!DEBUG_IsBadReadPtr((addr),(len)) || \
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(fprintf(stderr,"*** Invalid address "), \
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DEBUG_PrintAddress((addr),dbg_mode, FALSE), \
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fprintf(stderr,"\n"),0))
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#define DBG_CHECK_WRITE_PTR(addr,len) \
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(!DEBUG_IsBadWritePtr((addr),(len)) || \
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(fprintf(stderr,"*** Invalid address "), \
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DEBUG_PrintAddress(addr,dbg_mode, FALSE), \
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fprintf(stderr,"\n"),0))
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#ifdef REG_SP /* Some Sun includes define this */
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#undef REG_SP
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#endif
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enum debug_regs
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{
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REG_EAX, REG_EBX, REG_ECX, REG_EDX, REG_ESI,
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REG_EDI, REG_EBP, REG_EFL, REG_EIP, REG_ESP,
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REG_AX, REG_BX, REG_CX, REG_DX, REG_SI,
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REG_DI, REG_BP, REG_FL, REG_IP, REG_SP,
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REG_CS, REG_DS, REG_ES, REG_SS, REG_FS, REG_GS
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};
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enum exec_mode
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{
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EXEC_CONT, /* Continuous execution */
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EXEC_PASS, /* Continue, passing exception to app */
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EXEC_STEP_OVER, /* Stepping over a call to next source line */
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EXEC_STEP_INSTR, /* Step to next source line, stepping in if needed */
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EXEC_STEPI_OVER, /* Stepping over a call */
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EXEC_STEPI_INSTR, /* Single-stepping an instruction */
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EXEC_FINISH, /* Step until we exit current frame */
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EXEC_STEP_OVER_TRAMPOLINE /* Step over trampoline. Requires that
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* we dig the real return value off the stack
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* and set breakpoint there - not at the
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* instr just after the call.
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*/
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};
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extern CONTEXT DEBUG_context; /* debugger/registers.c */
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extern unsigned int dbg_mode;
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extern HANDLE dbg_heap;
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/* debugger/break.c */
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extern void DEBUG_SetBreakpoints( BOOL set );
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extern int DEBUG_FindBreakpoint( const DBG_ADDR *addr );
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extern void DEBUG_AddBreakpoint( const DBG_ADDR *addr );
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extern void DEBUG_DelBreakpoint( int num );
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extern void DEBUG_EnableBreakpoint( int num, BOOL enable );
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extern void DEBUG_InfoBreakpoints(void);
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extern void DEBUG_AddTaskEntryBreakpoint( HTASK16 hTask );
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extern BOOL DEBUG_HandleTrap(void);
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extern BOOL DEBUG_ShouldContinue( enum exec_mode mode, int * count );
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extern enum exec_mode DEBUG_RestartExecution( enum exec_mode mode, int count );
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extern BOOL DEBUG_IsFctReturn(void);
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/* debugger/db_disasm.c */
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extern void DEBUG_Disasm( DBG_ADDR *addr, int display );
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/* debugger/expr.c */
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extern void DEBUG_FreeExprMem(void);
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struct expr * DEBUG_RegisterExpr(enum debug_regs);
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struct expr * DEBUG_SymbolExpr(const char * name);
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struct expr * DEBUG_ConstExpr(int val);
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struct expr * DEBUG_StringExpr(const char * str);
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struct expr * DEBUG_SegAddr(struct expr *, struct expr *);
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struct expr * DEBUG_USConstExpr(unsigned int val);
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struct expr * DEBUG_BinopExpr(int oper, struct expr *, struct expr *);
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struct expr * DEBUG_UnopExpr(int oper, struct expr *);
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struct expr * DEBUG_StructPExpr(struct expr *, const char * element);
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struct expr * DEBUG_StructExpr(struct expr *, const char * element);
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struct expr * DEBUG_ArrayExpr(struct expr *, struct expr * index);
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struct expr * DEBUG_CallExpr(const char *, int nargs, ...);
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struct expr * DEBUG_TypeCastExpr(struct datatype *, struct expr *);
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extern int DEBUG_ExprValue(DBG_ADDR *, unsigned int *);
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DBG_ADDR DEBUG_EvalExpr(struct expr *);
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extern int DEBUG_DelDisplay(int displaynum);
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extern struct expr * DEBUG_CloneExpr(struct expr * exp);
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extern int DEBUG_FreeExpr(struct expr * exp);
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extern int DEBUG_DisplayExpr(struct expr * exp);
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/* more debugger/break.c */
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extern int DEBUG_AddBPCondition(int bpnum, struct expr * exp);
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/* debugger/display.c */
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extern int DEBUG_DoDisplay(void);
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extern int DEBUG_AddDisplay(struct expr * exp, int count, char format);
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extern int DEBUG_DoDisplay(void);
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extern int DEBUG_DelDisplay(int displaynum);
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extern int DEBUG_InfoDisplay(void);
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/* debugger/hash.c */
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extern struct name_hash * DEBUG_AddSymbol( const char *name,
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const DBG_ADDR *addr,
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const char * sourcefile,
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int flags);
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extern struct name_hash * DEBUG_AddInvSymbol( const char *name,
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const DBG_ADDR *addr,
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const char * sourcefile);
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extern BOOL DEBUG_GetSymbolValue( const char * name, const int lineno,
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DBG_ADDR *addr, int );
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extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_ADDR *addr );
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extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
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struct name_hash ** rtn,
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unsigned int ebp,
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struct list_id * source);
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extern void DEBUG_ReadSymbolTable( const char * filename );
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extern void DEBUG_LoadEntryPoints(void);
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extern void DEBUG_AddLineNumber( struct name_hash * func, int line_num,
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unsigned long offset );
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extern struct wine_locals *
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DEBUG_AddLocal( struct name_hash * func, int regno,
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int offset,
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int pc_start,
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int pc_end,
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char * name);
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extern int DEBUG_CheckLinenoStatus(const DBG_ADDR *addr);
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extern void DEBUG_GetFuncInfo(struct list_id * ret, const char * file,
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const char * func);
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extern int DEBUG_SetSymbolSize(struct name_hash * sym, unsigned int len);
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extern int DEBUG_SetSymbolBPOff(struct name_hash * sym, unsigned int len);
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extern int DEBUG_GetSymbolAddr(struct name_hash * sym, DBG_ADDR * addr);
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extern int DEBUG_cmp_sym(const void * p1, const void * p2);
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extern BOOL DEBUG_GetLineNumberAddr( struct name_hash *, const int lineno,
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DBG_ADDR *addr, int bp_flag );
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extern int DEBUG_SetLocalSymbolType(struct wine_locals * sym,
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struct datatype * type);
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BOOL DEBUG_Normalize(struct name_hash * nh );
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/* debugger/info.c */
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extern void DEBUG_PrintBasic( const DBG_ADDR *addr, int count, char format );
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extern struct symbol_info DEBUG_PrintAddress( const DBG_ADDR *addr,
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int addrlen, int flag );
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extern void DEBUG_Help(void);
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extern void DEBUG_HelpInfo(void);
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extern struct symbol_info DEBUG_PrintAddressAndArgs( const DBG_ADDR *addr,
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int addrlen,
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unsigned int ebp,
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int flag );
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/* debugger/memory.c */
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extern BOOL DEBUG_IsBadReadPtr( const DBG_ADDR *address, int size );
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extern BOOL DEBUG_IsBadWritePtr( const DBG_ADDR *address, int size );
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extern int DEBUG_ReadMemory( const DBG_ADDR *address );
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extern void DEBUG_WriteMemory( const DBG_ADDR *address, int value );
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extern void DEBUG_ExamineMemory( const DBG_ADDR *addr, int count, char format);
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/* debugger/registers.c */
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extern void DEBUG_SetRegister( enum debug_regs reg, int val );
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extern int DEBUG_GetRegister( enum debug_regs reg );
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extern void DEBUG_InfoRegisters(void);
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extern BOOL DEBUG_ValidateRegisters(void);
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extern int DEBUG_PrintRegister(enum debug_regs reg);
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/* debugger/stack.c */
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extern void DEBUG_InfoStack(void);
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extern void DEBUG_BackTrace(void);
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extern void DEBUG_SilentBackTrace(void);
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extern int DEBUG_InfoLocals(void);
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extern int DEBUG_SetFrame(int newframe);
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extern int DEBUG_GetCurrentFrame(struct name_hash ** name,
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unsigned int * eip,
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unsigned int * ebp);
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/* debugger/stabs.c */
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extern int DEBUG_ReadExecutableDbgInfo(void);
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extern int DEBUG_ParseStabs(char * addr, unsigned int load_offset, unsigned int staboff, int stablen, unsigned int strtaboff, int strtablen);
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/* debugger/msc.c */
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extern int DEBUG_RegisterDebugInfo( HMODULE, const char *);
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extern int DEBUG_ProcessDeferredDebug(void);
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extern int DEBUG_RegisterELFDebugInfo(int load_addr, u_long size, char * name);
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extern void DEBUG_InfoShare(void);
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extern void DEBUG_InitCVDataTypes(void);
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/* debugger/types.c */
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extern int DEBUG_nchar;
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extern void DEBUG_InitTypes(void);
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extern struct datatype * DEBUG_NewDataType(enum debug_type xtype,
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const char * typename);
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extern unsigned int
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DEBUG_TypeDerefPointer(DBG_ADDR * addr, struct datatype ** newtype);
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extern int DEBUG_AddStructElement(struct datatype * dt,
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char * name, struct datatype * type,
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int offset, int size);
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extern int DEBUG_SetStructSize(struct datatype * dt, int size);
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extern int DEBUG_SetPointerType(struct datatype * dt, struct datatype * dt2);
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extern int DEBUG_SetArrayParams(struct datatype * dt, int min, int max,
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struct datatype * dt2);
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extern void DEBUG_Print( const DBG_ADDR *addr, int count, char format, int level );
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extern unsigned int DEBUG_FindStructElement(DBG_ADDR * addr,
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const char * ele_name, int * tmpbuf);
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extern struct datatype * DEBUG_GetPointerType(struct datatype * dt);
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extern int DEBUG_GetObjectSize(struct datatype * dt);
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extern unsigned int DEBUG_ArrayIndex(DBG_ADDR * addr, DBG_ADDR * result, int index);
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extern struct datatype * DEBUG_FindOrMakePointerType(struct datatype * reftype);
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extern long long int DEBUG_GetExprValue(DBG_ADDR * addr, char ** format);
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extern int DEBUG_SetBitfieldParams(struct datatype * dt, int offset,
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int nbits, struct datatype * dt2);
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extern int DEBUG_CopyFieldlist(struct datatype * dt, struct datatype * dt2);
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extern enum debug_type DEBUG_GetType(struct datatype * dt);
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extern struct datatype * DEBUG_TypeCast(enum debug_type, const char *);
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extern int DEBUG_PrintTypeCast(struct datatype *);
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/* debugger/source.c */
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extern void DEBUG_ShowDir(void);
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extern void DEBUG_AddPath(const char * path);
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extern void DEBUG_List(struct list_id * line1, struct list_id * line2,
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int delta);
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extern void DEBUG_NukePath(void);
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extern void DEBUG_Disassemble( const DBG_ADDR *, const DBG_ADDR*, int offset );
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/* debugger/dbg.y */
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extern DWORD wine_debugger( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance );
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/* Choose your allocator! */
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#if 1
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/* this one is libc's fast one */
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#include "xmalloc.h"
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#define DBG_alloc(x) xmalloc(x)
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#define DBG_realloc(x,y) xrealloc(x,y)
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#define DBG_free(x) free(x)
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#define DBG_strdup(x) xstrdup(x)
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#else
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/* this one is slow (takes 5 minutes to load the debugger on my machine),
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but is pretty crash-proof (can step through malloc() without problems,
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malloc() arena (and other heaps) can be totally wasted and it'll still
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work, etc... if someone could make optimized routines so it wouldn't
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take so long to load, it could be made default) */
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#include "heap.h"
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#define DBG_alloc(x) HEAP_xalloc(dbg_heap,0,x)
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#define DBG_realloc(x,y) HEAP_xrealloc(dbg_heap,0,x,y)
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#define DBG_free(x) HeapFree(dbg_heap,0,x)
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#define DBG_strdup(x) HEAP_strdupA(dbg_heap,0,x)
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#define DBG_need_heap
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#endif
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#endif /* __WINE_DEBUGGER_H */
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