236 lines
4.3 KiB
C
236 lines
4.3 KiB
C
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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adrext.c
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Abstract:
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This file contains the generic routines
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for debugging NBF address structures.
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Author:
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Chaitanya Kodeboyina
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Environment:
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User Mode
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--*/
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#include "precomp.h"
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#pragma hdrstop
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#include "adrext.h"
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//
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// Exported Functions
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//
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DECLARE_API( adrs )
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/*++
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Routine Description:
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Print a list of addresses given the
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head LIST_ENTRY.
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Arguments:
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args - Address of the list entry, &
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Detail of debug information
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Return Value:
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None
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--*/
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{
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ULONG proxyPtr;
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ULONG printDetail;
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// Get list-head address & debug print level
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printDetail = SUMM_INFO;
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if (*args)
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{
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sscanf(args, "%x %lu", &proxyPtr, &printDetail);
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}
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PrintAddressList(NULL, proxyPtr, printDetail);
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}
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DECLARE_API( adr )
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/*++
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Routine Description:
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Print the NBF Address at a location
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Arguments:
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args -
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Pointer to the NBF Address
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Detail of debug information
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Return Value:
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None
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--*/
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{
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TP_ADDRESS Address;
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ULONG printDetail;
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ULONG proxyPtr;
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// Get the detail of debug information needed
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printDetail = NORM_SHAL;
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if (*args)
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{
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sscanf(args, "%x %lu", &proxyPtr, &printDetail);
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}
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// Get the NBF Address
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if (ReadAddress(&Address, proxyPtr) != 0)
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return;
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// Print this Address
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PrintAddress(&Address, proxyPtr, printDetail);
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}
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//
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// Global Helper Functions
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//
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VOID
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PrintAddressList(PVOID ListEntryPointer, ULONG ListEntryProxy, ULONG printDetail)
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{
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TP_ADDRESS Address;
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LIST_ENTRY AddressList;
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PLIST_ENTRY AddressListPtr;
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PLIST_ENTRY AddressListProxy;
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PLIST_ENTRY p, q;
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ULONG proxyPtr;
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ULONG numAddrs;
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ULONG bytesRead;
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// Get list-head address & debug print level
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proxyPtr = ListEntryProxy;
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if (ListEntryPointer == NULL)
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{
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// Read the list entry of NBF addresses
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if (!ReadMemory(proxyPtr, &AddressList, sizeof(LIST_ENTRY), &bytesRead))
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{
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dprintf("%s @ %08x: Could not read structure\n",
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"Address ListEntry", proxyPtr);
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return;
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}
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AddressListPtr = &AddressList;
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}
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else
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{
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AddressListPtr = ListEntryPointer;
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}
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// Traverse the doubly linked list
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dprintf("Addresses:\n");
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AddressListProxy = (PLIST_ENTRY)proxyPtr;
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numAddrs = 0;
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p = AddressListPtr->Flink;
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while (p != AddressListProxy)
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{
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// Another Address
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numAddrs++;
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// Get Address Ptr
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proxyPtr = (ULONG) CONTAINING_RECORD (p, TP_ADDRESS, Linkage);
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// Get NBF Address
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if (ReadAddress(&Address, proxyPtr) != 0)
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break;
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// Print the Address
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PrintAddress(&Address, proxyPtr, printDetail);
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// Go to the next one
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p = Address.Linkage.Flink;
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// Free the Address
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FreeAddress(&Address);
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}
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if (p == AddressListProxy)
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{
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dprintf("Number of Addresses: %lu\n", numAddrs);
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}
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}
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//
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// Local Helper Functions
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//
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UINT
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ReadAddress(PTP_ADDRESS pAddr, ULONG proxyPtr)
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{
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ULONG bytesRead;
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// Read the current NBF address
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if (!ReadMemory(proxyPtr, pAddr, sizeof(TP_ADDRESS), &bytesRead))
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{
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dprintf("%s @ %08x: Could not read structure\n",
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"Address", proxyPtr);
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return -1;
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}
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return 0;
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}
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UINT
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PrintAddress(PTP_ADDRESS pAddr, ULONG proxyPtr, ULONG printDetail)
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{
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// Is this a valid NBF address ?
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if (pAddr->Type != NBF_ADDRESS_SIGNATURE)
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{
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dprintf("%s @ %08x: Could not match signature\n",
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"Address", proxyPtr);
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return -1;
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}
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// What detail do we print at ?
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if (printDetail > MAX_DETAIL)
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printDetail = MAX_DETAIL;
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// Print Information at reqd detail
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FieldInAddress(proxyPtr, NULL, printDetail);
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return 0;
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}
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VOID
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FieldInAddress(ULONG structAddr, CHAR *fieldName, ULONG printDetail)
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{
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TP_ADDRESS Address;
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if (ReadAddress(&Address, structAddr) == 0)
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{
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PrintFields(&Address, structAddr, fieldName, printDetail, &AddressInfo);
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}
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}
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UINT
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FreeAddress(PTP_ADDRESS pAddr)
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{
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return 0;
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}
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