mirror of
https://github.com/reactos/wine.git
synced 2024-12-02 00:36:43 +00:00
377 lines
11 KiB
C
377 lines
11 KiB
C
/*
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* Copyright 1993 Robert J. Amstadt
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* Copyright 1995 Alexandre Julliard
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "wine/winbase16.h"
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#include "winnt.h"
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#include "heap.h"
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#include "module.h"
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#include "stackframe.h"
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#include "selectors.h"
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#include "builtin16.h"
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#include "syslevel.h"
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#include "debugtools.h"
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#include "callback.h"
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DEFAULT_DEBUG_CHANNEL(relay);
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/***********************************************************************
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* RELAY_Init
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*/
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BOOL RELAY_Init(void)
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{
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#ifdef __i386__
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WORD codesel;
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/* Allocate the code selector for CallTo16 routines */
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extern void Call16_Ret_Start(), Call16_Ret_End();
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extern void CallTo16_Ret();
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extern void CALL32_CBClient_Ret();
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extern void CALL32_CBClientEx_Ret();
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extern SEGPTR CallTo16_RetAddr;
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extern DWORD CallTo16_DataSelector;
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extern SEGPTR CALL32_CBClient_RetAddr;
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extern SEGPTR CALL32_CBClientEx_RetAddr;
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codesel = SELECTOR_AllocBlock( (void *)Call16_Ret_Start,
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(char *)Call16_Ret_End - (char *)Call16_Ret_Start,
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WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
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if (!codesel) return FALSE;
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/* Patch the return addresses for CallTo16 routines */
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CallTo16_DataSelector = __get_ds();
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CallTo16_RetAddr =
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MAKESEGPTR( codesel, (char*)CallTo16_Ret - (char*)Call16_Ret_Start );
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CALL32_CBClient_RetAddr =
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MAKESEGPTR( codesel, (char*)CALL32_CBClient_Ret - (char*)Call16_Ret_Start );
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CALL32_CBClientEx_RetAddr =
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MAKESEGPTR( codesel, (char*)CALL32_CBClientEx_Ret - (char*)Call16_Ret_Start );
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#endif
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return TRUE;
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}
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/*
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* Stubs for the CallTo16/CallFrom16 routines on non-Intel architectures
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* (these will never be called but need to be present to satisfy the linker ...)
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*/
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#ifndef __i386__
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/***********************************************************************
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* wine_call_to_16_word
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*/
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WORD WINAPI wine_call_to_16_word( FARPROC16 target, INT nArgs )
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{
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assert( FALSE );
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}
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/***********************************************************************
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* wine_call_to_16_long
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*/
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LONG WINAPI wine_call_to_16_long( FARPROC16 target, INT nArgs )
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{
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assert( FALSE );
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}
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/***********************************************************************
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* wine_call_to_16_regs_short
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*/
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void WINAPI wine_call_to_16_regs_short( CONTEXT86 *context, INT nArgs )
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{
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assert( FALSE );
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}
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/***********************************************************************
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* wine_call_to_16_regs_long
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*/
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void WINAPI wine_call_to_16_regs_long ( CONTEXT86 *context, INT nArgs )
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{
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assert( FALSE );
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}
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/***********************************************************************
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* __wine_call_from_16_word
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*/
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WORD __cdecl __wine_call_from_16_word(void)
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{
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assert( FALSE );
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}
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/***********************************************************************
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* __wine_call_from_16_long
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*/
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LONG __cdecl __wine_call_from_16_long(void)
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{
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assert( FALSE );
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}
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/***********************************************************************
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* __wine_call_from_16_regs
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*/
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void __cdecl __wine_call_from_16_regs(void)
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{
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assert( FALSE );
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}
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/***********************************************************************
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* __wine_call_from_16_thunk
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*/
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void __cdecl __wine_call_from_16_thunk(void)
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{
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assert( FALSE );
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}
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DWORD WINAPI CALL32_CBClient( FARPROC proc, LPWORD args, DWORD *esi )
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{ assert( FALSE ); }
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DWORD WINAPI CALL32_CBClientEx( FARPROC proc, LPWORD args, DWORD *esi, INT *nArgs )
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{ assert( FALSE ); }
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#endif
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/* from relay32/relay386.c */
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extern char **debug_relay_excludelist,**debug_relay_includelist;
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extern int RELAY_ShowDebugmsgRelay(const char *func);
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/***********************************************************************
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* RELAY_DebugCallFrom16
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*/
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void RELAY_DebugCallFrom16( CONTEXT86 *context )
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{
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STACK16FRAME *frame;
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WORD ordinal;
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char *args16, funstr[80];
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const char *args;
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int i, usecdecl, reg_func;
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if (!TRACE_ON(relay)) return;
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frame = CURRENT_STACK16;
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args = BUILTIN_GetEntryPoint16( frame, funstr, &ordinal );
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if (!args) return; /* happens for the two snoop register relays */
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if (!RELAY_ShowDebugmsgRelay(funstr)) return;
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DPRINTF( "Call %s(",funstr);
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VA_START16( args16 );
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usecdecl = ( *args == 'c' );
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args += 2;
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reg_func = ( memcmp( args, "regs_", 5 ) == 0
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|| memcmp( args, "intr_", 5 ) == 0 );
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args += 5;
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if (usecdecl)
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{
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while (*args)
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{
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switch(*args)
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{
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case 'w':
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case 's':
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DPRINTF( "0x%04x", *(WORD *)args16 );
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args16 += 2;
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break;
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case 'l':
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DPRINTF( "0x%08x", *(int *)args16 );
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args16 += 4;
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break;
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case 'p':
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DPRINTF( "%04x:%04x", *(WORD *)(args16+2), *(WORD *)args16 );
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args16 += 4;
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break;
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case 't':
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case 'T':
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DPRINTF( "%04x:%04x %s", *(WORD *)(args16+2), *(WORD *)args16,
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debugres_a( MapSL(*(SEGPTR *)args16 )) );
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args16 += 4;
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break;
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}
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args++;
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if (*args) DPRINTF( "," );
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}
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}
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else /* not cdecl */
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{
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/* Start with the last arg */
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for (i = 0; args[i]; i++)
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{
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switch(args[i])
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{
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case 'w':
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case 's':
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args16 += 2;
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break;
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case 'l':
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case 'p':
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case 't':
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case 'T':
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args16 += 4;
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break;
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}
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}
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while (*args)
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{
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switch(*args)
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{
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case 'w':
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case 's':
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args16 -= 2;
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DPRINTF( "0x%04x", *(WORD *)args16 );
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break;
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case 'l':
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args16 -= 4;
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DPRINTF( "0x%08x", *(int *)args16 );
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break;
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case 't':
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args16 -= 4;
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DPRINTF( "0x%08x %s", *(int *)args16,
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debugres_a( MapSL(*(SEGPTR *)args16 )));
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break;
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case 'p':
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args16 -= 4;
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DPRINTF( "%04x:%04x", *(WORD *)(args16+2), *(WORD *)args16 );
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break;
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case 'T':
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args16 -= 4;
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DPRINTF( "%04x:%04x %s", *(WORD *)(args16+2), *(WORD *)args16,
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debugres_a( MapSL(*(SEGPTR *)args16 )));
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break;
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}
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args++;
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if (*args) DPRINTF( "," );
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}
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}
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DPRINTF( ") ret=%04x:%04x ds=%04x\n", frame->cs, frame->ip, frame->ds );
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VA_END16( args16 );
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if (reg_func)
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DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x ES=%04x EFL=%08lx\n",
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AX_reg(context), BX_reg(context), CX_reg(context),
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DX_reg(context), SI_reg(context), DI_reg(context),
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(WORD)context->SegEs, context->EFlags );
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SYSLEVEL_CheckNotLevel( 2 );
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}
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/***********************************************************************
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* RELAY_DebugCallFrom16Ret
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*/
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void RELAY_DebugCallFrom16Ret( CONTEXT86 *context, int ret_val )
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{
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STACK16FRAME *frame;
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WORD ordinal;
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char funstr[80];
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const char *args;
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if (!TRACE_ON(relay)) return;
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frame = CURRENT_STACK16;
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args = BUILTIN_GetEntryPoint16( frame, funstr, &ordinal );
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if (!args) return;
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if (!RELAY_ShowDebugmsgRelay(funstr)) return;
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DPRINTF( "Ret %s() ",funstr);
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if ( memcmp( args+2, "long_", 5 ) == 0 )
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{
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DPRINTF( "retval=0x%08x ret=%04x:%04x ds=%04x\n",
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ret_val, frame->cs, frame->ip, frame->ds );
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}
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else if ( memcmp( args+2, "word_", 5 ) == 0 )
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{
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DPRINTF( "retval=0x%04x ret=%04x:%04x ds=%04x\n",
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ret_val & 0xffff, frame->cs, frame->ip, frame->ds );
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}
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else if ( memcmp( args+2, "regs_", 5 ) == 0
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|| memcmp( args+2, "intr_", 5 ) == 0 )
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{
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DPRINTF("retval=none ret=%04x:%04x ds=%04x\n",
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(WORD)context->SegCs, LOWORD(context->Eip), (WORD)context->SegDs);
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DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x ES=%04x EFL=%08lx\n",
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AX_reg(context), BX_reg(context), CX_reg(context),
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DX_reg(context), SI_reg(context), DI_reg(context),
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(WORD)context->SegEs, context->EFlags );
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}
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SYSLEVEL_CheckNotLevel( 2 );
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}
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/***********************************************************************
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* RELAY_DebugCallTo16
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*
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* 'target' contains either the function to call (normal CallTo16)
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* or a pointer to the CONTEXT86 struct (register CallTo16).
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* 'nb_args' is the number of argument bytes on the 16-bit stack;
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* 'reg_func' specifies whether we have a register CallTo16 or not.
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*/
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void RELAY_DebugCallTo16( LPVOID target, int nb_args, BOOL reg_func )
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{
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WORD *stack16;
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TEB *teb;
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if (!TRACE_ON(relay)) return;
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teb = NtCurrentTeb();
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stack16 = (WORD *)THREAD_STACK16(teb);
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nb_args /= sizeof(WORD);
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if ( reg_func )
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{
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CONTEXT86 *context = (CONTEXT86 *)target;
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DPRINTF("CallTo16(func=%04lx:%04x,ds=%04lx",
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context->SegCs, LOWORD(context->Eip), context->SegDs );
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while (nb_args--) DPRINTF( ",0x%04x", *--stack16 );
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DPRINTF(") ss:sp=%04x:%04x\n", SELECTOROF(teb->cur_stack),
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OFFSETOF(teb->cur_stack) );
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DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x BP=%04x ES=%04x FS=%04x\n",
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AX_reg(context), BX_reg(context), CX_reg(context),
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DX_reg(context), SI_reg(context), DI_reg(context),
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BP_reg(context), (WORD)context->SegEs, (WORD)context->SegFs );
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}
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else
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{
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DPRINTF("CallTo16(func=%04x:%04x,ds=%04x",
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HIWORD(target), LOWORD(target), SELECTOROF(teb->cur_stack) );
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while (nb_args--) DPRINTF( ",0x%04x", *--stack16 );
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DPRINTF(") ss:sp=%04x:%04x\n", SELECTOROF(teb->cur_stack),
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OFFSETOF(teb->cur_stack) );
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}
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SYSLEVEL_CheckNotLevel( 2 );
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}
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/***********************************************************************
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* RELAY_DebugCallTo16Ret
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*/
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void RELAY_DebugCallTo16Ret( BOOL reg_func, int ret_val )
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{
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if (!TRACE_ON(relay)) return;
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if (!reg_func)
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{
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DPRINTF("CallTo16() ss:sp=%04x:%04x retval=0x%08x\n",
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SELECTOROF(NtCurrentTeb()->cur_stack),
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OFFSETOF(NtCurrentTeb()->cur_stack), ret_val);
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}
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else
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{
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CONTEXT86 *context = (CONTEXT86 *)ret_val;
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DPRINTF("CallTo16() ss:sp=%04x:%04x\n",
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SELECTOROF(NtCurrentTeb()->cur_stack),
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OFFSETOF(NtCurrentTeb()->cur_stack));
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DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x BP=%04x SP=%04x\n",
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AX_reg(context), BX_reg(context), CX_reg(context),
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DX_reg(context), BP_reg(context), LOWORD(context->Esp));
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}
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SYSLEVEL_CheckNotLevel( 2 );
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}
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