windows-server-2003/base/win32/fusion/dumplib/dump.cpp

/*++

Copyright (c) Microsoft Corporation

Module Name:

    dump.cpp

Abstract:

    Merge/refactor stuff in sxstest with dumpers.cpp
    Eventually merge with debug extensions, let it be optionally
    driven by symbol info available to debug extensions via .pdbs.

Author:

    Jay Krell (JayKrell) November 2001

Revision History:

--*/
#include "nt.h"
#include "ntrtl.h"
#include "nturtl.h"
#include "windows.h"
#include "fusiondump.h"
#include "fusiontrace.h"
#include "fusionstring.h"

#if DBG // until we work out factoring between sxs.dll, sxstest.dll, fusiondbg.dll.

typedef const BYTE * PCBYTE;

BOOL
FusionpDumpStruct(
    PCFUSIONP_DUMP_CALLBACKS                Callbacks,
    PCFUSIONP_DUMP_BUILTIN_SYMBOLS_STRUCT   TypeInfo,
    ULONG64                                 pint,
    PCSTR                                   Name,
    const ULONG64 *                         Bases
    )
{
    //
    // This code currently runs inproc, but it should be transitioned to
    // run in a debugger, or to do either, based on "builtin typeinfo" vs.
    // availability of .pdb.
    //
    typedef FUSIONP_DUMP_BUILTIN_SYMBOLS_FIELD FIELD;

    FN_PROLOG_WIN32

    ULONG MaxNameLength = 0;
    ULONG i = 0;
    CAnsiString AnsiStringField;
    CAnsiString AnsiStringStruct(Name);
    LARGE_INTEGER li = { 0 };
    PCWSTR s = 0;
    PCBYTE Base = 0;
    const FIELD * Field = 0;
    const FIELD * FieldEnd = 0;
    const FIELD * Fields = TypeInfo->Fields;
    PCBYTE p = reinterpret_cast<const BYTE*>(static_cast<ULONG_PTR>(pint));

    for ( FieldEnd = Fields ; FieldEnd->Name ; ++FieldEnd )
    {
        /* nothing */
    }

    for ( Field = Fields ; Field != FieldEnd ; ++Field )
    {
        if (Field->NameLength > MaxNameLength)
            MaxNameLength = Field->NameLength;
    }
    for ( Field = Fields ; Field != FieldEnd ; ++Field )
    {
        AnsiStringField.Buffer = const_cast<PSTR>(Field->Name);
        AnsiStringField.Length = Field->NameLength;
        switch (Field->Type & 0x0F)
        {
        case FUSIONP_DUMP_TYPE_ULONG:
            PARAMETER_CHECK(Field->Size == sizeof(ULONG));
            i = *reinterpret_cast<const ULONG*>(p + Field->Offset);
            Callbacks->Printf("%Z.%-*Z: 0x%lx (0n%lu)\n",
                &AnsiStringStruct,
                static_cast<int>(MaxNameLength + 1),
                &AnsiStringField,
                i,
                i
                );
            break;
        case FUSIONP_DUMP_TYPE_ULONG_OFFSET_TO_PCWSTR:
            PARAMETER_CHECK(Field->Size == sizeof(ULONG));
            i = *reinterpret_cast<const ULONG*>(p + Field->Offset);
            Base = reinterpret_cast<PCBYTE>(static_cast<ULONG_PTR>(Bases[(Field->Type >> 4) & 0x0F]));
            s = (i != 0) ? reinterpret_cast<PCWSTR>(Base + i) : L"";
            Callbacks->Printf("%Z.%-*Z: %ls (base 0x%I64x + offset 0x%lx (0n%lu))\n",
                &AnsiStringStruct,
                static_cast<int>(MaxNameLength + 1),
                &AnsiStringField,
                s,
                Base,
                i,
                i
                );
            break;
        case FUSIONP_DUMP_TYPE_LARGE_INTEGER_TIME:
            PARAMETER_CHECK(Field->Size == sizeof(LARGE_INTEGER));
            li = *reinterpret_cast<const LARGE_INTEGER*>(p + Field->Offset);
            Callbacks->Printf("%Z.%-*Z: %s (0x%I64x (0n%I64u))\n",
                &AnsiStringStruct,
                static_cast<int>(MaxNameLength + 1),
                &AnsiStringField,
                Callbacks->FormatTime(li),
                li.QuadPart,
                li.QuadPart
                );
            break;
        }
    }

    FN_EPILOG;
}

#endif