From 9b8c2911d9651179a62fea986a7346792a389d92 Mon Sep 17 00:00:00 2001
From: Brian Gaeke <gaeke@uiuc.edu>
Date: Fri, 17 Oct 2003 18:27:46 +0000
Subject: [PATCH] Implement replaceMachineCodeForFunction() for x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9204 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86TargetMachine.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index dcc9beaf9d0..14af52099dd 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -142,3 +142,10 @@ bool X86TargetMachine::addPassesToJITCompile(FunctionPassManager &PM) {
   return false; // success!
 }
 
+bool X86TargetMachine::replaceMachineCodeForFunction (void *Old, void *New) {
+  char *OldByte = (char *) Old;
+  *OldByte++ = 0xE9; // JMP
+  unsigned *OldWord = (unsigned *) OldByte;
+  *OldWord = (unsigned) New;
+  return false;
+}