windows-nt/Source/XPSP1/NT/drivers/storage/kdext/scsikd/trace.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (C) Microsoft Corporation, 1992 - 1999
Module Name:
aic.c
Abstract:
WinDbg Extension Api for interpretting AIC78XX debugging structures
Author:
Peter Wieland (peterwie) 16-Oct-1995
Environment:
User Mode.
Revision History:
--*/
#define DBG_TRACE
#include "pch.h"
#include "trace.h"
extern char *eventTypes[];
void dumpTraceInfo(traceinfo *ti);
DECLARE_API( trace )
/*++
Routine Description:
Dumps the specified AIC78xx debugging data structure
Arguments:
Ascii bits for address.
Return Value:
None.
--*/
{
ULONG_PTR traceinfoAddr;
traceinfo ti;
GetAddress(args, &traceinfoAddr);
if (!ReadMemory( traceinfoAddr, &ti, sizeof(ti), NULL )) {
dprintf("%p: Could not read Srb\n", traceinfoAddr);
return;
}
dumpTraceInfo(&ti);
return;
}
void dumpTraceInfo(traceinfo *ti) {
UCHAR i,j;
DWORD result;
char buf[64];
dprintf("AIC78xx Debugging Trace - %d total entries\n", ti->num);
for (i = 0; i < ti->num; i++) {
j = (ti->next + i) % ti->num;
if (ti->table[i].type == TRACE_TYPE_EMPTY) continue;
dprintf("event %d: ", ti->num - i);
dprintf("%s\t", eventTypes[ti->table[j].type]);
// dprintf("%lx(", ti->table[j].func);
if (ti->table[j].func != NULL) {
GetSymbol((LPVOID)ti->table[j].func, buf, &result);
dprintf("%s(", buf);
} else {
dprintf("NULL(", buf);
}
dprintf("%lx, %lx, %lx)\n", ti->table[j].arg[0],
ti->table[j].arg[1],
ti->table[j].arg[2]);
}
return;
}
char *eventTypes[] = {"EMPTY", "ENTRY", "EXIT", "EVENT"};