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Misc cleanups.

This commit is contained in:
Alexandre Julliard 2000-09-18 02:15:25 +00:00
parent 45b2c868bb
commit 9edc7d0529
4 changed files with 46 additions and 49 deletions
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1
debugger/dbgmain.c
View File

@ -9,7 +9,6 @@
#include "ldt.h"
#include "windows.h"
#include "toolhelp.h"
#include "module.h"
#include "debugger.h"
#include "win.h"

1
debugger/module.c
View File

@ -10,7 +10,6 @@
#include <stdio.h>
#include <string.h>
#include "neexe.h"
#include "module.h"
#include "file.h"
#include "debugger.h"
#include "toolhelp.h"

83
memory/instr.c
View File

@ -10,7 +10,6 @@
#include "ldt.h"
#include "global.h"
#include "module.h"
#include "dosexe.h"
#include "miscemu.h"
#include "selectors.h"
#include "debugtools.h"
@ -20,28 +19,32 @@ DECLARE_DEBUG_CHANNEL(io);
#ifdef __i386__
#define IS_SEL_32(context,seg) \
(ISV86(context) ? FALSE : IS_SELECTOR_32BIT(seg))
inline static void add_stack( CONTEXT86 *context, int offset )
{
if (ISV86(context) || !IS_SELECTOR_32BIT(context->SegSs))
ADD_LOWORD( context->Esp, offset );
else
context->Esp += offset;
}
#define STACK_reg(context) \
(IS_SEL_32(context,SS_reg(context)) ? ESP_reg(context) : (DWORD)LOWORD(ESP_reg(context)))
inline static void *make_ptr( CONTEXT86 *context, DWORD seg, DWORD off, int long_addr )
{
if (ISV86(context)) return DOSMEM_MemoryBase() + (seg << 4) + LOWORD(off);
if (IS_SELECTOR_SYSTEM(seg)) return (void *)off;
if (!long_addr) off = LOWORD(off);
return PTR_SEG_OFF_TO_LIN( seg, off );
}
#define ADD_STACK_reg(context,offset) \
do { if (IS_SEL_32(context,SS_reg(context))) ESP_reg(context) += (offset); \
else ADD_LOWORD(ESP_reg(context),(offset)); } while(0)
#define MAKE_PTR(seg,off) \
(IS_SELECTOR_SYSTEM(seg) ? (void *)(off) : PTR_SEG_OFF_TO_LIN(seg,off))
#define MK_PTR(context,seg,off) \
(ISV86(context) ? DOSMEM_MapRealToLinear(MAKELONG(off,seg)) \
: MAKE_PTR(seg,off))
#define STACK_PTR(context) \
(ISV86(context) ? \
DOSMEM_MapRealToLinear(MAKELONG(LOWORD(ESP_reg(context)),SS_reg(context))) : \
(IS_SELECTOR_SYSTEM(SS_reg(context)) ? (void *)ESP_reg(context) : \
(PTR_SEG_OFF_TO_LIN(SS_reg(context),STACK_reg(context)))))
inline static void *get_stack( CONTEXT86 *context )
{
if (ISV86(context))
return DOSMEM_MemoryBase() + (context->SegSs << 4) + LOWORD(context->Esp);
if (IS_SELECTOR_SYSTEM(context->SegSs))
return (void *)context->Esp;
if (IS_SELECTOR_32BIT(context->SegSs))
return PTR_SEG_OFF_TO_LIN( context->SegSs, context->Esp );
return PTR_SEG_OFF_TO_LIN( context->SegSs, LOWORD(context->Esp) );
}
/***********************************************************************
* INSTR_ReplaceSelector
@ -387,8 +390,8 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
SEGPTR gpHandler;
BYTE *instr;
long_op = long_addr = IS_SEL_32(context,CS_reg(context));
instr = (BYTE *)MK_PTR(context,CS_reg(context),EIP_reg(context));
long_op = long_addr = (!ISV86(context) && IS_SELECTOR_32BIT(context->SegCs));
instr = make_ptr( context, context->SegCs, context->Eip, TRUE );
if (!instr) return FALSE;
/* First handle any possible prefix */
@ -452,7 +455,7 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
case 0x17: /* pop ss */
case 0x1f: /* pop ds */
{
WORD seg = *(WORD *)STACK_PTR( context );
WORD seg = *(WORD *)get_stack( context );
if (INSTR_ReplaceSelector( context, &seg ))
{
switch(*instr)
@ -461,7 +464,7 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
case 0x17: SS_reg(context) = seg; break;
case 0x1f: DS_reg(context) = seg; break;
}
ADD_STACK_reg(context, long_op ? 4 : 2);
add_stack(context, long_op ? 4 : 2);
EIP_reg(context) += prefixlen + 1;
return TRUE;
}
@ -512,11 +515,11 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
break;
case 0xa1: /* pop fs */
{
WORD seg = *(WORD *)STACK_PTR( context );
WORD seg = *(WORD *)get_stack( context );
if (INSTR_ReplaceSelector( context, &seg ))
{
FS_reg(context) = seg;
ADD_STACK_reg(context, long_op ? 4 : 2);
add_stack(context, long_op ? 4 : 2);
EIP_reg(context) += prefixlen + 2;
return TRUE;
}
@ -524,11 +527,11 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
break;
case 0xa9: /* pop gs */
{
WORD seg = *(WORD *)STACK_PTR( context );
WORD seg = *(WORD *)get_stack( context );
if (INSTR_ReplaceSelector( context, &seg ))
{
GS_reg(context) = seg;
ADD_STACK_reg(context, long_op ? 4 : 2);
add_stack(context, long_op ? 4 : 2);
EIP_reg(context) += prefixlen + 2;
return TRUE;
}
@ -579,15 +582,13 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
WORD dx = LOWORD(EDX_reg(context));
if (outp)
{
data = MK_PTR(context, seg,
long_addr ? ESI_reg(context) : LOWORD(ESI_reg(context)));
data = make_ptr( context, seg, context->Esi, long_addr );
if (long_addr) ESI_reg(context) += step;
else ADD_LOWORD(ESI_reg(context),step);
}
else
{
data = MK_PTR(context, seg,
long_addr ? EDI_reg(context) : LOWORD(EDI_reg(context)));
data = make_ptr( context, seg, context->Edi, long_addr );
if (long_addr) EDI_reg(context) += step;
else ADD_LOWORD(EDI_reg(context),step);
}
@ -679,7 +680,7 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
else
{
FARPROC16 addr = INT_GetPMHandler( instr[1] );
WORD *stack = (WORD *)STACK_PTR( context );
WORD *stack = get_stack( context );
if (!addr)
{
FIXME("no handler for interrupt %02x, ignoring it\n", instr[1]);
@ -690,7 +691,7 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
*(--stack) = LOWORD(EFL_reg(context));
*(--stack) = CS_reg(context);
*(--stack) = LOWORD(EIP_reg(context)) + prefixlen + 2;
ADD_STACK_reg(context, -3 * sizeof(WORD));
add_stack(context, -3 * sizeof(WORD));
/* Jump to the interrupt handler */
CS_reg(context) = HIWORD(addr);
EIP_reg(context) = LOWORD(addr);
@ -700,19 +701,19 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
case 0xcf: /* iret */
if (long_op)
{
DWORD *stack = (DWORD *)STACK_PTR( context );
DWORD *stack = get_stack( context );
EIP_reg(context) = *stack++;
CS_reg(context) = *stack++;
EFL_reg(context) = *stack;
ADD_STACK_reg(context, 3*sizeof(DWORD)); /* Pop the return address and flags */
add_stack(context, 3*sizeof(DWORD)); /* Pop the return address and flags */
}
else
{
WORD *stack = (WORD *)STACK_PTR( context );
WORD *stack = get_stack( context );
EIP_reg(context) = *stack++;
CS_reg(context) = *stack++;
SET_LOWORD(EFL_reg(context),*stack);
ADD_STACK_reg(context, 3*sizeof(WORD)); /* Pop the return address and flags */
add_stack(context, 3*sizeof(WORD)); /* Pop the return address and flags */
}
return TRUE;
@ -783,10 +784,10 @@ BOOL INSTR_EmulateInstruction( CONTEXT86 *context )
EIP_reg(context) ) );
if (gpHandler)
{
WORD *stack = (WORD *)STACK_PTR( context );
WORD *stack = get_stack( context );
*--stack = CS_reg(context);
*--stack = EIP_reg(context);
ADD_STACK_reg(context, -2*sizeof(WORD));
add_stack(context, -2*sizeof(WORD));
CS_reg(context) = SELECTOROF( gpHandler );
EIP_reg(context) = OFFSETOF( gpHandler );

10
msdos/interrupts.c
View File

@ -89,7 +89,7 @@ void INT_SetRMHandler( BYTE intnum, FARPROC16 handler )
FARPROC16 INT_CtxGetHandler( CONTEXT86 *context, BYTE intnum )
{
if (ISV86(context))
return ((FARPROC16*)V86BASE(context))[intnum];
return INT_GetRMHandler(intnum);
else
return INT_GetPMHandler(intnum);
}
@ -102,11 +102,9 @@ FARPROC16 INT_CtxGetHandler( CONTEXT86 *context, BYTE intnum )
*/
void INT_CtxSetHandler( CONTEXT86 *context, BYTE intnum, FARPROC16 handler )
{
if (ISV86(context)) {
TRACE("Set real mode interrupt vector %02x <- %04x:%04x\n",
intnum, HIWORD(handler), LOWORD(handler) );
((FARPROC16*)V86BASE(context))[intnum] = handler;
} else
if (ISV86(context))
INT_SetRMHandler(intnum, handler);
else
INT_SetPMHandler(intnum, handler);
}