public ElfRunner(string filename)
{
// todo: hack up this baby to take Streams
_elf = ELFReader.Load <long>(filename);
var loadsegs = _elf.Segments.Where(s => s.Type == SegmentType.Load);
long orig_start = loadsegs.Min(s => s.Address);
orig_start &= ~(Environment.SystemPageSize - 1);
long orig_end = loadsegs.Max(s => s.Address + s.Size);
_base = new MemoryBlock(0, (ulong)(orig_end - orig_start));
_loadoffset = (long)_base.Start - orig_start;
try
{
_base.Set(_base.Start, _base.Size, MemoryBlock.Protection.RW);
foreach (var seg in loadsegs)
{
var data = seg.GetContents();
Marshal.Copy(data, 0, Z.SS(seg.Address + _loadoffset), data.Length);
}
RegisterSymbols();
ProcessRelocations();
_base.Set(_base.Start, _base.Size, MemoryBlock.Protection.R);
foreach (var sec in _elf.Sections.Where(s => s.Flags.HasFlag(SectionFlags.Allocatable)))
{
if (sec.Flags.HasFlag(SectionFlags.Executable))
{
_base.Set((ulong)(sec.LoadAddress + _loadoffset), (ulong)sec.Size, MemoryBlock.Protection.RX);
}
else if (sec.Flags.HasFlag(SectionFlags.Writable))
{
_base.Set((ulong)(sec.LoadAddress + _loadoffset), (ulong)sec.Size, MemoryBlock.Protection.RW);
}
}
//FixupGOT();
ConnectAllClibPatches();
Console.WriteLine("Loaded {0}@{1:X16}", filename, _base.Start);
}
catch
{
_base.Dispose();
throw;
}
}
public ElfRunner(string filename)
{
// todo: hack up this baby to take Streams
_elf = ELFReader.Load<long>(filename);
var loadsegs = _elf.Segments.Where(s => s.Type == SegmentType.Load);
long orig_start = loadsegs.Min(s => s.Address);
orig_start &= ~(Environment.SystemPageSize - 1);
long orig_end = loadsegs.Max(s => s.Address + s.Size);
_base = new MemoryBlock(UIntPtr.Zero, orig_end - orig_start);
_loadoffset = (long)_base.Start - orig_start;
try
{
_base.Set(_base.Start, _base.Size, MemoryBlock.Protection.RW);
foreach (var seg in loadsegs)
{
var data = seg.GetContents();
Marshal.Copy(data, 0, (IntPtr)(seg.Address + _loadoffset), data.Length);
}
RegisterSymbols();
ProcessRelocations();
_base.Set(_base.Start, _base.Size, MemoryBlock.Protection.R);
foreach (var sec in _elf.Sections.Where(s => s.Flags.HasFlag(SectionFlags.Allocatable)))
{
if (sec.Flags.HasFlag(SectionFlags.Executable))
_base.Set((UIntPtr)(sec.LoadAddress + _loadoffset), sec.Size, MemoryBlock.Protection.RX);
else if (sec.Flags.HasFlag(SectionFlags.Writable))
_base.Set((UIntPtr)(sec.LoadAddress + _loadoffset), sec.Size, MemoryBlock.Protection.RW);
}
//FixupGOT();
ConnectAllClibPatches();
Console.WriteLine("Loaded {0}@{1:X16}", filename, (long)_base.Start);
}
catch
{
_base.Dispose();
throw;
}
}
private IntPtr AllocMem(IntPtr size)
{
var block = new MemoryBlock((long)size);
var p = (IntPtr)(long)block.Start;
_heaps[p] = block;
block.Set(block.Start, block.Size, MemoryBlock.Protection.RW);
Console.WriteLine("AllocMem: {0:X8}@{1:X16}", (long)size, (long)block.Start);
return(p);
}
private IntPtr AllocMem(IntPtr size)
{
var block = new MemoryBlock((long)size);
var p = (IntPtr)(long)block.Start;
_heaps[p] = block;
block.Set(block.Start, block.Size, MemoryBlock.Protection.RW);
Console.WriteLine("AllocMem: {0:X8}@{1:X16}", (long)size, (long)block.Start);
return p;
}