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550 lines
12 KiB
550 lines
12 KiB
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/*++
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Copyright (C) Microsoft Corporation, 1992 - 2001
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Module Name:
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util.c
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Abstract:
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Utility library used for the various debugger extensions in this library.
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Author:
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Peter Wieland (peterwie) 16-Oct-1995
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ervinp
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Environment:
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User Mode.
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Revision History:
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--*/
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#include "pch.h"
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#include "ideport.h"
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PUCHAR devicePowerStateNames[] = {
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"PowerDeviceUnspecified",
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"PowerDeviceD0",
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"PowerDeviceD1",
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"PowerDeviceD2",
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"PowerDeviceD3",
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"PowerDeviceMaximum",
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"Invalid"
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};
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FLAG_NAME SrbFlags[] = {
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FLAG_NAME(SRB_FLAGS_QUEUE_ACTION_ENABLE),
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FLAG_NAME(SRB_FLAGS_DISABLE_DISCONNECT),
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FLAG_NAME(SRB_FLAGS_DISABLE_SYNCH_TRANSFER),
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FLAG_NAME(SRB_FLAGS_BYPASS_FROZEN_QUEUE),
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FLAG_NAME(SRB_FLAGS_DISABLE_AUTOSENSE),
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FLAG_NAME(SRB_FLAGS_DATA_IN),
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FLAG_NAME(SRB_FLAGS_DATA_OUT),
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FLAG_NAME(SRB_FLAGS_NO_DATA_TRANSFER),
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FLAG_NAME(SRB_FLAGS_UNSPECIFIED_DIRECTION),
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FLAG_NAME(SRB_FLAGS_NO_QUEUE_FREEZE),
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FLAG_NAME(SRB_FLAGS_ADAPTER_CACHE_ENABLE),
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FLAG_NAME(SRB_FLAGS_IS_ACTIVE),
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FLAG_NAME(SRB_FLAGS_ALLOCATED_FROM_ZONE),
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FLAG_NAME(SRB_FLAGS_SGLIST_FROM_POOL),
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FLAG_NAME(SRB_FLAGS_BYPASS_LOCKED_QUEUE),
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FLAG_NAME(SRB_FLAGS_NO_KEEP_AWAKE),
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{0,0}
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};
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FLAG_NAME LuFlags[] = {
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FLAG_NAME(PD_QUEUE_FROZEN),
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FLAG_NAME(PD_LOGICAL_UNIT_IS_ACTIVE),
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FLAG_NAME(PD_NEED_REQUEST_SENSE),
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FLAG_NAME(PD_LOGICAL_UNIT_IS_BUSY),
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FLAG_NAME(PD_QUEUE_IS_FULL),
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FLAG_NAME(PD_RESCAN_ACTIVE),
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{0, 0}
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};
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FLAG_NAME PortFlags[] = {
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FLAG_NAME(PD_DEVICE_IS_BUSY),
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FLAG_NAME(PD_NOTIFICATION_REQUIRED),
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FLAG_NAME(PD_READY_FOR_NEXT_REQUEST),
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FLAG_NAME(PD_FLUSH_ADAPTER_BUFFERS),
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FLAG_NAME(PD_MAP_TRANSFER),
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FLAG_NAME(PD_LOG_ERROR),
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FLAG_NAME(PD_RESET_HOLD),
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FLAG_NAME(PD_HELD_REQUEST),
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FLAG_NAME(PD_RESET_REPORTED),
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FLAG_NAME(PD_PENDING_DEVICE_REQUEST),
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FLAG_NAME(PD_DISCONNECT_RUNNING),
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FLAG_NAME(PD_DISABLE_CALL_REQUEST),
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FLAG_NAME(PD_DISABLE_INTERRUPTS),
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FLAG_NAME(PD_ENABLE_CALL_REQUEST),
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FLAG_NAME(PD_TIMER_CALL_REQUEST),
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FLAG_NAME(PD_ALL_DEVICE_MISSING),
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FLAG_NAME(PD_RESET_REQUEST),
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{0,0}
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};
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FLAG_NAME DevFlags[] = {
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FLAG_NAME(DFLAGS_DEVICE_PRESENT),
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FLAG_NAME(DFLAGS_ATAPI_DEVICE),
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FLAG_NAME(DFLAGS_TAPE_DEVICE),
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FLAG_NAME(DFLAGS_INT_DRQ),
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FLAG_NAME(DFLAGS_REMOVABLE_DRIVE),
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FLAG_NAME(DFLAGS_MEDIA_STATUS_ENABLED),
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FLAG_NAME(DFLAGS_USE_DMA),
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FLAG_NAME(DFLAGS_LBA),
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FLAG_NAME(DFLAGS_MULTI_LUN_INITED),
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FLAG_NAME(DFLAGS_MSN_SUPPORT),
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FLAG_NAME(DFLAGS_AUTO_EJECT_ZIP),
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FLAG_NAME(DFLAGS_WD_MODE),
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FLAG_NAME(DFLAGS_LS120_FORMAT),
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FLAG_NAME(DFLAGS_USE_UDMA),
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FLAG_NAME(DFLAGS_IDENTIFY_VALID),
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FLAG_NAME(DFLAGS_IDENTIFY_INVALID),
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FLAG_NAME(DFLAGS_RDP_SET),
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FLAG_NAME(DFLAGS_SONY_MEMORYSTICK),
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FLAG_NAME(DFLAGS_48BIT_LBA),
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{0,0}
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};
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VOID
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GetAddress(
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IN PCSTR Args,
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OUT PULONG64 Address
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)
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{
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UCHAR addressBuffer[256];
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addressBuffer[0] = '\0';
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sscanf(Args, "%s", addressBuffer);
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addressBuffer[255] = '\0';
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*Address = 0;
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if (addressBuffer[0] != '\0') {
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//
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// they provided an address
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//
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*Address = (ULONG64)GetExpression(addressBuffer);
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//
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// if that still doesn't parse, print an error
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//
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if (*Address==0) {
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dprintf("An error occured trying to evaluate the address\n");
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*Address = 0;
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return;
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}
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}
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return;
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}
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VOID
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GetAddressAndDetailLevel(
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IN PCSTR Args,
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OUT PULONG64 Address,
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OUT PLONG Detail
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)
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{
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UCHAR addressBuffer[256];
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UCHAR detailBuffer[256];
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addressBuffer[0] = '\0';
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detailBuffer[0] = '\0';
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sscanf(Args, "%s %s", addressBuffer, detailBuffer);
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addressBuffer[255] = '\0';
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detailBuffer[255] = '\0';
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*Address = 0;
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*Detail = 0;
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if (addressBuffer[0] != '\0') {
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//
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// they provided an address
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//
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*Address = (ULONG64) GetExpression(addressBuffer);
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//
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// if that still doesn't parse, print an error
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//
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if (*Address==0) {
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dprintf("An error occured trying to evaluate the address\n");
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*Address = 0;
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*Detail = 0;
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return;
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}
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//
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// if they provided a detail level get it.
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//
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if (detailBuffer[0] == '\0') {
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*Detail = 0;
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} else {
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*Detail = (ULONG) GetExpression(detailBuffer);
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}
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}
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return;
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}
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VOID
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GetAddressAndDetailLevel64(
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IN PCSTR Args,
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OUT PULONG64 Address,
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OUT PLONG Detail
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)
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{
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UCHAR addressBuffer[256];
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UCHAR detailBuffer[256];
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addressBuffer[0] = '\0';
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detailBuffer[0] = '\0';
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sscanf(Args, "%s %s", addressBuffer, detailBuffer);
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addressBuffer[255] = '\0';
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detailBuffer[255] = '\0';
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*Address = 0;
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*Detail = 0;
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if (addressBuffer[0] != '\0') {
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//
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// they provided an address
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//
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*Address = GetExpression(addressBuffer);
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//
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// if that still doesn't parse, print an error
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//
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if (*Address==0) {
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dprintf("Error while trying to evaluate the address.\n");
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*Address = 0;
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*Detail = 0;
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return;
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}
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//
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// if they provided a detail level get it.
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//
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if (detailBuffer[0] == '\0') {
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*Detail = 0;
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}
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else {
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*Detail = (ULONG)GetExpression(detailBuffer);
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}
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}
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return;
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}
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PUCHAR
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DevicePowerStateToString(
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IN DEVICE_POWER_STATE State
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)
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{
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if(State > PowerDeviceMaximum) {
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return devicePowerStateNames[PowerDeviceMaximum + 1];
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} else {
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return devicePowerStateNames[(UCHAR) State];
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}
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}
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/*
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* xdprintf
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*
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* Prints formatted text with leading spaces.
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*
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* WARNING: DOES NOT HANDLE ULONG64 PROPERLY.
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*/
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VOID
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xdprintf(
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ULONG Depth,
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PCCHAR S,
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...
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)
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{
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va_list ap;
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ULONG i;
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CCHAR DebugBuffer[256];
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for (i=0; i<Depth; i++) {
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dprintf (" ");
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}
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va_start(ap, S);
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vsprintf(DebugBuffer, S, ap);
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dprintf (DebugBuffer);
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va_end(ap);
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}
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VOID
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DumpFlags(
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ULONG Depth,
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PUCHAR Name,
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ULONG Flags,
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PFLAG_NAME FlagTable
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)
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{
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ULONG i;
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ULONG mask = 0;
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ULONG count = 0;
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UCHAR prolog[64];
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sprintf(prolog, "%s (0x%08x): ", Name, Flags);
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xdprintf(Depth, "%s", prolog);
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if(Flags == 0) {
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dprintf("\n");
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return;
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}
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memset(prolog, ' ', strlen(prolog));
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for(i = 0; FlagTable[i].Name != 0; i++) {
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PFLAG_NAME flag = &(FlagTable[i]);
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mask |= flag->Flag;
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if((Flags & flag->Flag) == flag->Flag) {
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//
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// print trailing comma
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//
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if(count != 0) {
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dprintf(", ");
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//
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// Only print two flags per line.
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//
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if((count % 2) == 0) {
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dprintf("\n");
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xdprintf(Depth, "%s", prolog);
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}
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}
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dprintf("%s", flag->Name);
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count++;
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}
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}
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dprintf("\n");
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if((Flags & (~mask)) != 0) {
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xdprintf(Depth, "%sUnknown flags %#010lx\n", prolog, (Flags & (~mask)));
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}
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return;
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}
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BOOLEAN
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GetAnsiString(
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IN ULONG64 Address,
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IN PUCHAR Buffer,
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IN OUT PULONG Length
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)
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{
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ULONG i = 0;
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//
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// Grab the string in 64 character chunks until we find a NULL or the
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// read fails.
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//
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while((i < *Length) && (!CheckControlC())) {
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ULONG transferSize;
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ULONG result;
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if(*Length - i < 128) {
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transferSize = *Length - i;
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} else {
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transferSize = 128;
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}
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if(!ReadMemory(Address + i,
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Buffer + i,
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transferSize,
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&result)) {
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//
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// read failed and we didn't find the NUL the last time. Don't
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// expect to find it this time.
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// BUGBUG - figure out if i should expect it this time.
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//
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*Length = i;
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return FALSE;
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} else {
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ULONG j;
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//
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// Scan from where we left off looking for that NUL character.
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//
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for(j = 0; j < transferSize; j++) {
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if(Buffer[i + j] == '\0') {
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*Length = i + j;
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return TRUE;
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}
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}
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}
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i += transferSize;
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}
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//
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// We never found the NUL. Don't need to update Length since it's currently
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// equal to i.
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//
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return FALSE;
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}
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/*
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* GetULONGField
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*
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* Return the field or -1 in case of error.
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* Yes, it screws up if the field is actually -1.
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*/
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ULONG64 GetULONGField(ULONG64 StructAddr, LPCSTR StructType, LPCSTR FieldName)
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{
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ULONG64 result;
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ULONG dbgStat;
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dbgStat = GetFieldData(StructAddr, StructType, FieldName, sizeof(ULONG64), &result);
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if (dbgStat != 0){
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dprintf("\n GetULONGField: GetFieldData failed with %xh retrieving field '%s' of struct '%s' @ %08p, returning bogus field value %08xh.\n",
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dbgStat, FieldName, StructType, StructAddr, BAD_VALUE);
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result = BAD_VALUE;
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}
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return result;
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}
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/*
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* GetUSHORTField
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*
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* Return the field or -1 in case of error.
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* Yes, it screws up if the field is actually -1.
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*/
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USHORT GetUSHORTField(ULONG64 StructAddr, LPCSTR StructType, LPCSTR FieldName)
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{
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USHORT result;
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ULONG dbgStat;
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dbgStat = GetFieldData(StructAddr, StructType, FieldName, sizeof(USHORT), &result);
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if (dbgStat != 0){
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dprintf("\n GetUSHORTField: GetFieldData failed with %xh retrieving field '%s' of struct '%s' @ %08p, returning bogus field value %08xh.\n",
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dbgStat, FieldName, StructType, StructAddr, BAD_VALUE);
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result = (USHORT)BAD_VALUE;
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}
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return result;
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}
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/*
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* GetUCHARField
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*
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* Return the field or -1 in case of error.
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* Yes, it screws up if the field is actually -1.
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*/
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UCHAR GetUCHARField(ULONG64 StructAddr, LPCSTR StructType, LPCSTR FieldName)
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{
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UCHAR result;
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ULONG dbgStat;
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dbgStat = GetFieldData(StructAddr, StructType, FieldName, sizeof(UCHAR), &result);
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if (dbgStat != 0){
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dprintf("\n GetUCHARField: GetFieldData failed with %xh retrieving field '%s' of struct '%s' @ %08p, returning bogus field value %08xh.\n",
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dbgStat, FieldName, StructType, StructAddr, BAD_VALUE);
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result = (UCHAR)BAD_VALUE;
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}
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return result;
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}
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ULONG64 GetFieldAddr(ULONG64 StructAddr, LPCSTR StructType, LPCSTR FieldName)
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{
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ULONG64 result;
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ULONG offset;
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ULONG dbgStat;
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dbgStat = GetFieldOffset(StructType, FieldName, &offset);
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if (dbgStat == 0){
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result = StructAddr+offset;
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}
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else {
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dprintf("\n GetFieldAddr: GetFieldOffset failed with %xh retrieving offset of struct '%s' (@ %08p) field '%s'.\n",
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dbgStat, StructType, StructAddr, FieldName);
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result = BAD_VALUE;
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}
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return result;
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}
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ULONG64 GetContainingRecord(ULONG64 FieldAddr, LPCSTR StructType, LPCSTR FieldName)
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{
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ULONG64 result;
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ULONG offset;
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ULONG dbgStat;
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dbgStat = GetFieldOffset(StructType, FieldName, &offset);
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if (dbgStat == 0){
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result = FieldAddr-offset;
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}
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else {
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dprintf("\n GetContainingRecord: GetFieldOffset failed with %xh retrieving offset of struct '%s' field '%s', returning bogus address %08xh.\n", dbgStat, StructType, FieldName, BAD_VALUE);
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result = BAD_VALUE;
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}
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return result;
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}
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