private void ApplyPatch(LinkRequest linkRequest)
{
ulong value = 0;
if (linkRequest.LinkType == LinkType.Size)
{
value = linkRequest.ReferenceSymbol.Size;
}
else
{
Debug.Assert(linkRequest.ReferenceSymbol.VirtualAddress != 0);
Debug.Assert(linkRequest.PatchSymbol.VirtualAddress != 0);
value = linkRequest.ReferenceSymbol.VirtualAddress + (ulong)linkRequest.ReferenceOffset;
if (linkRequest.LinkType == LinkType.RelativeOffset)
{
// Change the absolute into a relative offset
value -= (linkRequest.PatchSymbol.VirtualAddress + (ulong)linkRequest.PatchOffset);
}
}
linkRequest.PatchSymbol.ApplyPatch(
linkRequest.PatchOffset,
0,
GetPatchTypeSize(linkRequest.PatchType),
Endianness
);
}
private void ApplyPatch(LinkRequest linkRequest)
{
ulong value = 0;
if (linkRequest.LinkType == LinkType.Size)
{
value = linkRequest.ReferenceSymbol.Size;
}
else
{
value = linkRequest.ReferenceSymbol.VirtualAddress + (ulong)linkRequest.ReferenceOffset;
if (linkRequest.LinkType == LinkType.AbsoluteAddress)
{
// FIXME: Need a .reloc section with a relocation entry if the module is moved in virtual memory
// the runtime loader must patch this link request, we'll fail it until we can do relocations.
//throw new NotSupportedException(@".reloc section not supported.");
}
else
{
// Change the absolute into a relative offset
value -= (linkRequest.PatchSymbol.VirtualAddress + (ulong)linkRequest.PatchOffset);
}
}
linkRequest.PatchSymbol.ApplyPatch(
linkRequest.PatchOffset,
value,
GetPatchTypeSize(linkRequest.PatchType),
Endianness
);
}
public void AddPatch(LinkRequest linkRequest)
{
lock (_lock)
{
LinkRequests.Add(linkRequest);
}
}
public void Link(LinkType linkType, PatchType patchType, LinkerSymbol patchSymbol, long patchOffset, LinkerSymbol referenceSymbol, int referenceOffset)
{
var linkRequest = new LinkRequest(linkType, patchType, patchSymbol, (int)patchOffset, referenceSymbol, referenceOffset);
lock (_lock)
{
patchSymbol.AddPatch(linkRequest);
}
}
public void Link(LinkType linkType, PatchType patchType, LinkerSymbol patchSymbol, int patchOffset, LinkerSymbol referenceSymbol, int referenceOffset)
{
lock (mylock)
{
var linkRequest = new LinkRequest(linkType, patchType, patchSymbol, patchOffset, referenceSymbol, referenceOffset);
patchSymbol.AddPatch(linkRequest);
}
}
