51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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#include "singx86.h"
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struct ByteVector {
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ULONG64 ulDataOffset;
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ULONG64 ulDataLength;
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};
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EXT_DECL(bytev) // Defines: PDEBUG_CLIENT Client, PCSTR args
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{
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EXT_ENTER(); // Defines: HRESULT status = S_OK;
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if (!isalpha(args[0])) {
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ExtOut("Usage:\n !bytev <var>\n");
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goto Exit;
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}
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ULONG64 indirect = 0;
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EXT_CHECK(g_ExtSymbols->GetOffsetByName(args, &indirect));
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ULONG64 offset = 0;
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EXT_CHECK(g_ExtData->ReadPointersVirtual(1, indirect, &offset));
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// Add type check here.
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ULONG typeId;
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ULONG64 module;
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EXT_CHECK(g_ExtSymbols->GetSymbolTypeId(args, &typeId, &module));
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CHAR szTypeName[255];
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const SIZE_T cbTypeName = sizeof(szTypeName) / sizeof(szTypeName[0]);
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EXT_CHECK(g_ExtSymbols->GetTypeName(module, typeId,
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szTypeName, cbTypeName, NULL));
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const CHAR szExpected[] = "unsigned char**";
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const SIZE_T cbExpected = sizeof(szExpected) / sizeof(szExpected[0]);
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if (strncmp(szTypeName, szExpected, cbExpected)) {
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ExtOut("%s is not a byte vector.\n", args);
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goto Exit;
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}
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struct ByteVector bv;
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EXT_CHECK(g_ExtData->ReadPointersVirtual(2, offset, (PULONG64)&bv));
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ExtOut("Byte vector %s : address 0x%p length 0x%p\n",
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args, bv.ulDataOffset, bv.ulDataLength);
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EXT_LEAVE();
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}
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