CONTEXT.C

/*++ 
 
Copyright (c) 1993  Microsoft Corporation 
 
Module Name: 
 
    context.c 
 
Abstract: 
 
    This file provides access to thread context information. 
 
Author: 
 
    Wesley Witt (wesw) 1-May-1993 
 
Environment: 
 
    User Mode 
 
--*/ 
 
#include <windows.h> 
#include <stdlib.h> 
#include <stdio.h> 
#include <string.h> 
 
#include "drwatson.h" 
#include "proto.h" 
 
 
void 
GetContextForThread( PDEBUGPACKET dp ) 
{ 
    PTHREADCONTEXT ptctx = dp->tctx; 
 
    memset(&ptctx->context,0,sizeof(CONTEXT)); 
 
    ptctx->context.ContextFlags = CONTEXT_FULL | 
                                  CONTEXT_FLOATING_POINT | 
                                  CONTEXT_DEBUG_REGISTERS; 
 
    if (!GetThreadContext( ptctx->hThread, &ptctx->context )) { 
        lprintfs( ">>>>> GetThreadContext failed: err(%d), hthread(0x%x)\n", 
                  GetLastError(), ptctx->hThread ); 
        ptctx->pc = 0; 
        ptctx->frame = 0; 
        ptctx->stack = 0; 
    } 
    else { 
        ptctx->pc = ptctx->context.Eip; 
        ptctx->frame = ptctx->context.Ebp; 
        ptctx->stack = ptctx->context.Esp; 
    } 
 
    return; 
}