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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2020 NVIDIA Corporation. All rights reserved.
#ifndef APB_DEFINITIONS_H_
#define APB_DEFINITIONS_H_
// This file contains definitions of various parts of APB file format
// WARNING: before doing any changes to this file
// check comments at the head of BinSerializer.cpp
#include "SerializerCommon.h"
#include "BinaryHelper.h"
namespace NvParameterized
{
#define APB_MAGIC 0x5A5B5C5D
namespace BinVersions
{
static const uint32_t Initial = 0x00010000,
AllRefsCounted = 0x00010001,
WithAlignment = 0x00010002,
WithExtendedHeader = 0x00010003;
}
// Type of relocation in binary file
enum RelocType
{
//Raw bytes
RELOC_ABS_RAW = 0,
//NvParameterized (will be initialized on deserialization)
RELOC_ABS_REF,
RELOC_LAST
};
// Relocation record in binary file
struct BinaryReloc
{
uint32_t type;
uint32_t off;
};
// Format of data in binary file; only BINARY_TYPE_PLAIN is used for now
enum BinaryType
{
BINARY_TYPE_PLAIN = 0,
BINARY_TYPE_XML_GZ,
BINARY_TYPE_LAST
};
// Some dummy version control systems insert '\r' before '\n'.
// This short string in header is used to catch this.
// We also use 0xff byte to guarantee that we have non-printable chars
// (s.t. VCS can detect that file is binary).
#define VCS_SAFETY_FLAGS "ab\n\xff"
// File header
#pragma pack(push,1) // For cross-platform compatibility!
// Convert to platform-independent format
static void CanonizeArrayOfU32s(char *data, uint32_t len)
{
PX_ASSERT(len % 4U == 0);
if( IsBigEndian() )
return;
for(uint32_t i = 0; i < len; i += 4U)
SwapBytes(data + i, 4U, TYPE_U32);
}
// Main binary header
struct BinaryHeader
{
uint32_t magic;
uint32_t type;
uint32_t version;
int32_t numObjects;
uint32_t fileLength;
uint32_t dictOffset;
uint32_t dataOffset;
uint32_t relocOffset;
uint32_t metadataOffset;
uint32_t archType;
uint32_t compilerType;
uint32_t compilerVer;
uint32_t osType;
uint32_t osVer;
uint32_t numMetadata;
uint32_t alignment;
static bool CheckAlignment()
{
bool isPushPackOk = 4 != offsetof(BinaryHeader, type);
if( isPushPackOk )
{
DEBUG_ASSERT( 0 && "PX_PUSH_PACK failed!" );
return false;
}
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4127)
#endif
if( sizeof(BinaryHeader) % 16 != 0 )
{
return false;
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif
return true;
}
Serializer::ErrorType getPlatform(SerializePlatform &platform) const
{
if( archType >= SerializePlatform::ARCH_LAST
|| compilerType >= SerializePlatform::COMP_LAST
|| osType >= SerializePlatform::OS_LAST )
{
DEBUG_ALWAYS_ASSERT();
return Serializer::ERROR_INVALID_PLATFORM;
}
platform = SerializePlatform(
static_cast<SerializePlatform::ArchType>(archType),
static_cast<SerializePlatform::CompilerType>(compilerType),
compilerVer,
static_cast<SerializePlatform::OsType>(osType),
osVer
);
return Serializer::ERROR_NONE;
}
void canonize()
{
CanonizeArrayOfU32s((char*)this, sizeof(BinaryHeader));
}
void decanonize() { canonize(); }
};
// Extended header (only in new versions)
struct BinaryHeaderExt
{
uint32_t vcsSafetyFlags;
uint32_t res[3 + 8]; // Pad to multiple of 16 byte
void canonize()
{
// vcsSafetyFlags should be stored as-is
}
void decanonize()
{
// vcsSafetyFlags should be stored as-is
}
};
#pragma pack(pop)
// NvParameterized object header
struct ObjHeader
{
uint32_t dataOffset;
const char *className;
const char *name;
bool isIncluded;
uint32_t version;
uint32_t checksumSize;
const uint32_t *checksum;
};
// Element of root references table
struct ObjectTableEntry
{
Interface *obj;
const char *className;
const char *name;
const char *filename;
};
} // namespace NvParameterized
#endif
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