/// <summary>
/// Find the destination of a ARM PLT stub.
/// </summary>
public static Expression Arm32(IProcessorArchitecture arch, Address addrInstr, IEnumerable <RtlInstruction> instrs, IRewriterHost host)
{
var stubInstrs = instrs.Take(3).ToArray();
if (stubInstrs.Length != 3)
{
return(null);
}
Constant offset;
if (stubInstrs[0] is RtlAssignment ass &&
ass.Src is MemoryAccess mem &&
mem.EffectiveAddress is Address addrOffset &&
mem.DataType is PrimitiveType dt &&
dt.BitSize == 32)
{
if (!host.TryRead(arch, addrOffset, dt, out offset))
{
return(null);
}
}