Source code of Windows XP (NT5)
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151 lines
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/*++
Copyright (c) 2001 Microsoft Corporation
Module Name:
vmem.cpp
Abstract:
!vprot using the debug engine virtual query interface.
--*/
#include "precomp.h"
#pragma hdrstop
#define PAGE_ALL (PAGE_READONLY|\
PAGE_READWRITE|\
PAGE_WRITECOPY|\
PAGE_EXECUTE|\
PAGE_EXECUTE_READ|\
PAGE_EXECUTE_READWRITE|\
PAGE_EXECUTE_WRITECOPY|\
PAGE_NOACCESS)
VOID
PrintPageFlags(
DWORD Flags
)
{
switch (Flags & PAGE_ALL)
{
case PAGE_READONLY:
dprintf("PAGE_READONLY");
break;
case PAGE_READWRITE:
dprintf("PAGE_READWRITE");
break;
case PAGE_WRITECOPY:
dprintf("PAGE_WRITECOPY");
break;
case PAGE_EXECUTE:
dprintf("PAGE_EXECUTE");
break;
case PAGE_EXECUTE_READ:
dprintf("PAGE_EXECUTE_READ");
break;
case PAGE_EXECUTE_READWRITE:
dprintf("PAGE_EXECUTE_READWRITE");
break;
case PAGE_EXECUTE_WRITECOPY:
dprintf("PAGE_EXECUTE_WRITECOPY");
break;
case PAGE_NOACCESS:
if ((Flags & ~PAGE_NOACCESS) == 0)
{
dprintf("PAGE_NOACCESS");
break;
} // else fall through
default:
dprintf("*** Invalid page protection ***\n");
return;
}
if (Flags & PAGE_NOCACHE)
{
dprintf(" + PAGE_NOCACHE");
}
if (Flags & PAGE_GUARD)
{
dprintf(" + PAGE_GUARD");
}
dprintf("\n");
}
DECLARE_API( vprot )
/*++
Routine Description:
This debugger extension dumps the virtual memory info for the
address specified.
Arguments:
Return Value:
--*/
{
ULONG64 Address;
MEMORY_BASIC_INFORMATION64 Basic;
INIT_API();
Address = GetExpression( args );
if ((Status = g_ExtData->QueryVirtual(Address, &Basic)) != S_OK)
{
dprintf("vprot: QueryVirtual failed, error = 0x%08X\n", Status);
goto Exit;
}
dprintf("BaseAddress: %p\n", Basic.BaseAddress);
dprintf("AllocationBase: %p\n", Basic.AllocationBase);
dprintf("AllocationProtect: %08x ", Basic.AllocationProtect);
PrintPageFlags(Basic.AllocationProtect);
dprintf("RegionSize: %p\n", Basic.RegionSize);
dprintf("State: %08x ", Basic.State);
switch (Basic.State)
{
case MEM_COMMIT:
dprintf("MEM_COMMIT\n");
break;
case MEM_FREE:
dprintf("MEM_FREE\n");
break;
case MEM_RESERVE:
dprintf("MEM_RESERVE\n");
break;
default:
dprintf("*** Invalid page state ***\n");
break;
}
dprintf("Protect: %08x ", Basic.Protect);
PrintPageFlags(Basic.Protect);
dprintf("Type: %08x ", Basic.Type);
switch(Basic.Type)
{
case MEM_IMAGE:
dprintf("MEM_IMAGE\n");
break;
case MEM_MAPPED:
dprintf("MEM_MAPPED\n");
break;
case MEM_PRIVATE:
dprintf("MEM_PRIVATE\n");
break;
default:
dprintf("*** Invalid page type ***\n");
break;
}
Exit:
EXIT_API();
return S_OK;
}