private static void MethodResolver(MethodContext context)
{
if (context.Method == GetMethod <ResolveNativeTests>(nameof(SimpleSum)))
{
Assembler assembler = new Assembler(64);
int stackSize = 4;
assembler.push(rbp);
assembler.sub(rsp, stackSize);
assembler.lea(rbp, __[rsp + stackSize]);
assembler.mov(__dword_ptr[rbp - stackSize], 5);
assembler.mov(rax, 5);
assembler.imul(rax, __dword_ptr[rbp - stackSize]);
assembler.lea(rsp, __[rbp]);
assembler.pop(rbp);
assembler.ret();
using (MemoryStream stream = new MemoryStream())
{
assembler.Assemble(new StreamCodeWriter(stream), 0);
context.ResolveNative(stream.ToArray());
}
}
else if (context.Method == GetMethod <ResolveNativeTests>(nameof(LargeSum)))
{
Assembler assembler = new Assembler(64);
int stackSize = 4;
assembler.push(rbp);
assembler.sub(rsp, stackSize);
assembler.lea(rbp, __[rsp + stackSize]);
assembler.mov(rdx, 10);
assembler.mov(rax, 10);
for (int i = 0; i < 999; i++)
{
assembler.add(rax, rdx);
}
assembler.lea(rsp, __[rbp]);
assembler.pop(rbp);
assembler.ret();
using (MemoryStream stream = new MemoryStream())
{
assembler.Assemble(new StreamCodeWriter(stream), 0);
context.ResolveNative(stream.ToArray());
}
}
}
private static void MethodResolver(MethodContext context)
{
if (context.Method.Name == "SimpleSum")
{
Assembler assembler = new Assembler(64);
//Replace with fatorial number:
//int sum = num1+num2;
//int fatorial = 1;
//for(int i = 2; i <= sum; i++){
// fatorial *= i;
//}
//return fatorial;
assembler.add(edx, ecx);
assembler.mov(eax, 1);
assembler.mov(ecx, 2);
assembler.cmp(edx, 0x02);
assembler.jl(assembler.@F);
assembler.AnonymousLabel();
assembler.imul(eax, ecx);
assembler.inc(ecx);
assembler.cmp(ecx, edx);
assembler.jle(assembler.@B);
assembler.AnonymousLabel();
assembler.ret();
using MemoryStream ms = new MemoryStream();
assembler.Assemble(new StreamCodeWriter(ms), 0);
byte[] asm = ms.ToArray();
context.ResolveNative(asm);
}
}