internal ElfProgramHeader(Reader reader, bool is64bit, ulong headerPositon, long loadBias, bool isVirtual = false)
{
if (is64bit)
{
var header = reader.Read <ElfProgramHeader64>(headerPositon);
_attributes = (ElfProgramHeaderAttributes)header.Flags;
Type = header.Type;
VirtualAddress = header.VirtualAddress;
VirtualSize = header.VirtualSize;
FileOffset = header.FileOffset;
FileSize = header.FileSize;
}
else
{
var header = reader.Read <ElfProgramHeader32>(headerPositon);
_attributes = (ElfProgramHeaderAttributes)header.Flags;
Type = header.Type;
VirtualAddress = header.VirtualAddress;
VirtualSize = header.VirtualSize;
FileOffset = header.FileOffset;
FileSize = header.FileSize;
}
if (isVirtual)
{
ulong offset = (loadBias < 0) ? (ulong)((long)VirtualAddress + loadBias) : VirtualAddress + (ulong)loadBias;
AddressSpace = new RelativeAddressSpace(reader.DataSource, "ProgramHeader", offset, VirtualSize);
}
else
{
ulong offset = (loadBias < 0) ? (ulong)((long)FileOffset + loadBias) : FileOffset + (ulong)loadBias;
AddressSpace = new RelativeAddressSpace(reader.DataSource, "ProgramHeader", offset, FileSize);
}
}
public ElfProgramHeader(Reader reader, bool is64bit, long headerPositon, long fileOffset, bool isVirtual = false)
{
if (is64bit)
{
var header = reader.Read <ElfProgramHeader64>(headerPositon);
_attributes = (ElfProgramHeaderAttributes)header.Flags;
Type = header.Type;
VirtualAddress = unchecked ((long)header.VirtualAddress);
VirtualSize = unchecked ((long)header.VirtualSize);
FileOffset = unchecked ((long)header.FileOffset);
FileSize = unchecked ((long)header.FileSize);
}
else
{
var header = reader.Read <ElfProgramHeader32>(headerPositon);
_attributes = (ElfProgramHeaderAttributes)header.Flags;
Type = header.Type;
VirtualAddress = header.VirtualAddress;
VirtualSize = header.VirtualSize;
FileOffset = header.FileOffset;
FileSize = header.FileSize;
}
if (isVirtual && Type == ElfProgramHeaderType.Load)
{
AddressSpace = new RelativeAddressSpace(reader.DataSource, "ProgramHeader", VirtualAddress, VirtualSize);
}
else
{
AddressSpace = new RelativeAddressSpace(reader.DataSource, "ProgramHeader", fileOffset + FileOffset, FileSize);
}
}
