180 lines
3.6 KiB
C
180 lines
3.6 KiB
C
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/*
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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kdexts.c
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Abstract:
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This function contains some example KD debugger extensions
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Author:
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John Vert (jvert) 6-Aug-1992
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Revision History:
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--*/
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#include "precomp.h"
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typedef BOOLEAN
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(*PRINT_FUNC) (
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IN PROW Row
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);
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HANDLE FileHandle;
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PRINT_FUNC Print;
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DWORD
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MyOpenFile (
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IN PCHAR Name,
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IN PWINDBG_OUTPUT_ROUTINE out,
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OUT HANDLE *File
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)
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{
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HANDLE hFile;
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hFile = CreateFile(Name,
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GENERIC_WRITE | GENERIC_READ,
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0,
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NULL,
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CREATE_ALWAYS ,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (INVALID_HANDLE_VALUE == hFile) {
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out ("MyOpenFile: CreateFile Failed.\n");
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}
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*File = hFile;
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return(INVALID_HANDLE_VALUE == hFile ? (!(ERROR_SUCCESS)) : ERROR_SUCCESS);
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}
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BOOLEAN MyWriteFile(PROW lRow)
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{
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LONG len;
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BOOL bRv;
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DWORD dwWritten;
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CHAR buffer[1024];
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dprintf(".");
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wsprintf(buffer, "[%4d] 0x%x:0x%x:0x%x:0x%x: %s\n", lRow->Line, lRow->P1, lRow->P2, lRow->P3, lRow->P4, lRow->Row);
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len = strlen(buffer);
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bRv = WriteFile( FileHandle, buffer, len, &dwWritten, NULL );
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if (!bRv) {
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dprintf("WriteFile: Puked\n");
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}
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return bRv ? TRUE :FALSE;
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}
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BOOLEAN MyWriteConsole(PROW lRow)
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{
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dprintf("[%4d] 0x%x:0x%x:0x%x:0x%x: %s\n", lRow->Line, lRow->P1, lRow->P2, lRow->P3, lRow->P4, lRow->Row);
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return TRUE;
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}
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DECLARE_API( tt )
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{
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UINT i, max, total = 0;
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DWORD hostAddress;
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LOG LLog;
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ULONG status, success;
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ULONG bytesread;
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CHAR DeviceName[] = "c:\\tmp\\";
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CHAR buffer[255];
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char LogBase[] = {"&msgpc!Log"};
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hostAddress = GetExpression(LogBase);
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if ( *args != '\0' ) {
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strcpy( buffer, DeviceName );
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strcat( buffer, args );
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status = MyOpenFile( buffer, dprintf, &FileHandle );
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if ( status == ERROR_SUCCESS ) {
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Print = MyWriteFile;
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max = LOGSIZE;
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}
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else {
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goto cleanup;
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}
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dprintf( "handle =%x status=%x \n", FileHandle, status);
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}
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else {
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Print = MyWriteConsole;
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max = 100;
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}
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if (!hostAddress){
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dprintf("bad string conversion (%s) \n", LogBase);
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goto cleanup;
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}
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success = ReadMemory((ULONG)hostAddress, &LLog, sizeof(LOG), &bytesread );
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if (!success){
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dprintf("problems reading memory at %x for %x bytes\n", hostAddress, sizeof(LOG));
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goto cleanup;
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}
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dprintf( "TT Log dumping %d entries\n", max);
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for(i = LLog.Index; (i < LOGSIZE) && (total < max); i++, total++)
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{
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PROW pRow;
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ROW lRow;
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pRow = &LLog.Buffer[i];
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success = ReadMemory((ULONG)pRow, &lRow, sizeof(ROW), &bytesread);
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if(!success) {
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dprintf("problems reading memory at %x for %x bytes\n", pRow, sizeof(LOG));
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goto cleanup;
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}
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(*Print)(&lRow);
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}
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if (total < max) {
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dprintf( "TT Log dumping the rest (%d) from the top....\n", LLog.Index);
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}
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for(i = 0; (i < LLog.Index) && (total < max); i++, total++)
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{
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PROW pRow;
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ROW lRow;
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pRow = &LLog.Buffer[i];
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success = ReadMemory((ULONG)pRow, &lRow, sizeof(ROW), &bytesread);
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if(!success) {
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dprintf("problems reading memory at %x for %x bytes\n", pRow, sizeof(LOG));
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goto cleanup;
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}
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(*Print)(&lRow);
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}
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cleanup:
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if ( *args != '\0' ) {
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CloseHandle(FileHandle);
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}
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return;
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}
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