2 * Copyright 1993 Robert J. Amstadt
3 * Copyright 1995 Alexandre Julliard
9 #include "wine/winbase16.h"
13 #include "stackframe.h"
14 #include "selectors.h"
15 #include "builtin16.h"
18 #include "debugtools.h"
21 DEFAULT_DEBUG_CHANNEL(relay);
23 /***********************************************************************
31 /* Allocate the code selector for CallTo16 routines */
33 extern void Call16_Ret_Start(), Call16_Ret_End();
34 extern void CallTo16_Ret();
35 extern void CALL32_CBClient_Ret();
36 extern void CALL32_CBClientEx_Ret();
37 extern SEGPTR CallTo16_RetAddr;
38 extern DWORD CallTo16_DataSelector;
39 extern SEGPTR CALL32_CBClient_RetAddr;
40 extern SEGPTR CALL32_CBClientEx_RetAddr;
42 codesel = SELECTOR_AllocBlock( (void *)Call16_Ret_Start,
43 (char *)Call16_Ret_End - (char *)Call16_Ret_Start,
44 WINE_LDT_FLAGS_CODE | WINE_LDT_FLAGS_32BIT );
45 if (!codesel) return FALSE;
47 /* Patch the return addresses for CallTo16 routines */
49 CallTo16_DataSelector = __get_ds();
51 MAKESEGPTR( codesel, (char*)CallTo16_Ret - (char*)Call16_Ret_Start );
52 CALL32_CBClient_RetAddr =
53 MAKESEGPTR( codesel, (char*)CALL32_CBClient_Ret - (char*)Call16_Ret_Start );
54 CALL32_CBClientEx_RetAddr =
55 MAKESEGPTR( codesel, (char*)CALL32_CBClientEx_Ret - (char*)Call16_Ret_Start );
61 * Stubs for the CallTo16/CallFrom16 routines on non-Intel architectures
62 * (these will never be called but need to be present to satisfy the linker ...)
65 /***********************************************************************
66 * wine_call_to_16_word
68 WORD WINAPI wine_call_to_16_word( FARPROC16 target, INT nArgs )
73 /***********************************************************************
74 * wine_call_to_16_long
76 LONG WINAPI wine_call_to_16_long( FARPROC16 target, INT nArgs )
81 /***********************************************************************
82 * wine_call_to_16_regs_short
84 void WINAPI wine_call_to_16_regs_short( CONTEXT86 *context, INT nArgs )
89 /***********************************************************************
90 * wine_call_to_16_regs_long
92 void WINAPI wine_call_to_16_regs_long ( CONTEXT86 *context, INT nArgs )
97 /***********************************************************************
98 * __wine_call_from_16_word
100 WORD __cdecl __wine_call_from_16_word(...)
105 /***********************************************************************
106 * __wine_call_from_16_long
108 LONG __cdecl __wine_call_from_16_long(...)
113 /***********************************************************************
114 * __wine_call_from_16_regs
116 void __cdecl __wine_call_from_16_regs(...)
121 /***********************************************************************
122 * __wine_call_from_16_thunk
124 void __cdecl __wine_call_from_16_thunk(...)
129 DWORD WINAPI CALL32_CBClient( FARPROC proc, LPWORD args, DWORD *esi )
132 DWORD WINAPI CALL32_CBClientEx( FARPROC proc, LPWORD args, DWORD *esi, INT *nArgs )
137 /* from relay32/relay386.c */
138 extern char **debug_relay_excludelist,**debug_relay_includelist;
139 extern int RELAY_ShowDebugmsgRelay(const char *func);
141 /***********************************************************************
142 * RELAY_DebugCallFrom16
144 void RELAY_DebugCallFrom16( CONTEXT86 *context )
148 char *args16, funstr[80];
150 int i, usecdecl, reg_func;
152 if (!TRACE_ON(relay)) return;
154 frame = CURRENT_STACK16;
155 args = BUILTIN_GetEntryPoint16( frame, funstr, &ordinal );
156 if (!args) return; /* happens for the two snoop register relays */
157 if (!RELAY_ShowDebugmsgRelay(funstr)) return;
158 DPRINTF( "Call %s(",funstr);
159 VA_START16( args16 );
161 usecdecl = ( *args == 'c' );
163 reg_func = ( memcmp( args, "regs_", 5 ) == 0
164 || memcmp( args, "intr_", 5 ) == 0 );
175 DPRINTF( "0x%04x", *(WORD *)args16 );
179 DPRINTF( "0x%08x", *(int *)args16 );
183 DPRINTF( "%04x:%04x", *(WORD *)(args16+2), *(WORD *)args16 );
188 DPRINTF( "%04x:%04x %s", *(WORD *)(args16+2), *(WORD *)args16,
189 debugres_a( MapSL(*(SEGPTR *)args16 )) );
194 if (*args) DPRINTF( "," );
199 /* Start with the last arg */
200 for (i = 0; args[i]; i++)
224 DPRINTF( "0x%04x", *(WORD *)args16 );
228 DPRINTF( "0x%08x", *(int *)args16 );
232 DPRINTF( "0x%08x %s", *(int *)args16,
233 debugres_a( MapSL(*(SEGPTR *)args16 )));
237 DPRINTF( "%04x:%04x", *(WORD *)(args16+2), *(WORD *)args16 );
241 DPRINTF( "%04x:%04x %s", *(WORD *)(args16+2), *(WORD *)args16,
242 debugres_a( MapSL(*(SEGPTR *)args16 )));
246 if (*args) DPRINTF( "," );
250 DPRINTF( ") ret=%04x:%04x ds=%04x\n", frame->cs, frame->ip, frame->ds );
254 DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x ES=%04x EFL=%08lx\n",
255 AX_reg(context), BX_reg(context), CX_reg(context),
256 DX_reg(context), SI_reg(context), DI_reg(context),
257 (WORD)context->SegEs, context->EFlags );
259 SYSLEVEL_CheckNotLevel( 2 );
263 /***********************************************************************
264 * RELAY_DebugCallFrom16Ret
266 void RELAY_DebugCallFrom16Ret( CONTEXT86 *context, int ret_val )
273 if (!TRACE_ON(relay)) return;
274 frame = CURRENT_STACK16;
275 args = BUILTIN_GetEntryPoint16( frame, funstr, &ordinal );
277 if (!RELAY_ShowDebugmsgRelay(funstr)) return;
278 DPRINTF( "Ret %s() ",funstr);
280 if ( memcmp( args+2, "long_", 5 ) == 0 )
282 DPRINTF( "retval=0x%08x ret=%04x:%04x ds=%04x\n",
283 ret_val, frame->cs, frame->ip, frame->ds );
285 else if ( memcmp( args+2, "word_", 5 ) == 0 )
287 DPRINTF( "retval=0x%04x ret=%04x:%04x ds=%04x\n",
288 ret_val & 0xffff, frame->cs, frame->ip, frame->ds );
290 else if ( memcmp( args+2, "regs_", 5 ) == 0
291 || memcmp( args+2, "intr_", 5 ) == 0 )
293 DPRINTF("retval=none ret=%04x:%04x ds=%04x\n",
294 (WORD)context->SegCs, LOWORD(context->Eip), (WORD)context->SegDs);
295 DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x ES=%04x EFL=%08lx\n",
296 AX_reg(context), BX_reg(context), CX_reg(context),
297 DX_reg(context), SI_reg(context), DI_reg(context),
298 (WORD)context->SegEs, context->EFlags );
301 SYSLEVEL_CheckNotLevel( 2 );
305 /***********************************************************************
306 * RELAY_DebugCallTo16
308 * 'target' contains either the function to call (normal CallTo16)
309 * or a pointer to the CONTEXT86 struct (register CallTo16).
310 * 'nb_args' is the number of argument bytes on the 16-bit stack;
311 * 'reg_func' specifies whether we have a register CallTo16 or not.
313 void RELAY_DebugCallTo16( LPVOID target, int nb_args, BOOL reg_func )
318 if (!TRACE_ON(relay)) return;
319 teb = NtCurrentTeb();
320 stack16 = (WORD *)THREAD_STACK16(teb);
322 nb_args /= sizeof(WORD);
326 CONTEXT86 *context = (CONTEXT86 *)target;
328 DPRINTF("CallTo16(func=%04lx:%04x,ds=%04lx",
329 context->SegCs, LOWORD(context->Eip), context->SegDs );
330 while (nb_args--) DPRINTF( ",0x%04x", *--stack16 );
331 DPRINTF(") ss:sp=%04x:%04x\n", SELECTOROF(teb->cur_stack),
332 OFFSETOF(teb->cur_stack) );
333 DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x SI=%04x DI=%04x BP=%04x ES=%04x FS=%04x\n",
334 AX_reg(context), BX_reg(context), CX_reg(context),
335 DX_reg(context), SI_reg(context), DI_reg(context),
336 BP_reg(context), (WORD)context->SegEs, (WORD)context->SegFs );
340 DPRINTF("CallTo16(func=%04x:%04x,ds=%04x",
341 HIWORD(target), LOWORD(target), SELECTOROF(teb->cur_stack) );
342 while (nb_args--) DPRINTF( ",0x%04x", *--stack16 );
343 DPRINTF(") ss:sp=%04x:%04x\n", SELECTOROF(teb->cur_stack),
344 OFFSETOF(teb->cur_stack) );
347 SYSLEVEL_CheckNotLevel( 2 );
351 /***********************************************************************
352 * RELAY_DebugCallTo16Ret
354 void RELAY_DebugCallTo16Ret( BOOL reg_func, int ret_val )
356 if (!TRACE_ON(relay)) return;
360 DPRINTF("CallTo16() ss:sp=%04x:%04x retval=0x%08x\n",
361 SELECTOROF(NtCurrentTeb()->cur_stack),
362 OFFSETOF(NtCurrentTeb()->cur_stack), ret_val);
366 CONTEXT86 *context = (CONTEXT86 *)ret_val;
368 DPRINTF("CallTo16() ss:sp=%04x:%04x\n",
369 SELECTOROF(NtCurrentTeb()->cur_stack),
370 OFFSETOF(NtCurrentTeb()->cur_stack));
371 DPRINTF(" AX=%04x BX=%04x CX=%04x DX=%04x BP=%04x SP=%04x\n",
372 AX_reg(context), BX_reg(context), CX_reg(context),
373 DX_reg(context), BP_reg(context), LOWORD(context->Esp));
376 SYSLEVEL_CheckNotLevel( 2 );