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[NTOS:KDBG] Improve x64 stack trace printing

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This commit is contained in:
Timo Kreuzer 2022-07-23 17:07:37 +02:00
parent 090ccb3d8e
commit 74014e74c0
1 changed files with 9 additions and 23 deletions
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32
ntoskrnl/kdbg/kdb_cli.c
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@ -1211,44 +1211,30 @@ KdbpCmdBackTrace(
PCHAR Argv[])
{
CONTEXT Context = *KdbCurrentTrapFrame;
ULONG64 CurrentRsp, CurrentRip;
KdbpPrint("Rip:\n");
if (!KdbSymPrintAddress((PVOID)KeGetContextPc(&Context), &Context))
KdbpPrint("<%p>\n", KeGetContextPc(&Context));
else
KdbpPrint("\n");
/* Walk through the frames */
KdbpPrint("Frames:\n");
for (;;)
do
{
CurrentRip = Context.Rip;
CurrentRsp = Context.Rsp;
BOOLEAN GotNextFrame;
BOOLEAN GotNextFrame = GetNextFrame(&Context);
KdbpPrint("[%p] ", (PVOID)Context.Rsp);
KdbpPrint("[%p] ", (PVOID)CurrentRsp);
Context.Rsp = Context.Rsp;
/* Print the location afrer the call instruction */
if (!KdbSymPrintAddress((PVOID)CurrentRip, &Context))
/* Print the location after the call instruction */
if (!KdbSymPrintAddress((PVOID)Context.Rip, &Context))
KdbpPrint("<%p>", (PVOID)Context.Rip);
KdbpPrint(" (stack: 0x%Ix)\n", Context.Rsp - CurrentRsp);
KdbpPrint("\n");
if (KdbOutputAborted)
break;
if (Context.Rsp == 0)
break;
GotNextFrame = GetNextFrame(&Context);
if (!GotNextFrame)
{
KdbpPrint("Couldn't access memory at 0x%p!\n", (PVOID)Context.Rsp);
KdbpPrint("Couldn't get next frame\n");
break;
}
}
} while ((Context.Rip != 0) && (Context.Rsp != 0));
return TRUE;
}