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Implement replaceMachineCodeForFunction() for x86.
author
Brian Gaeke
<gaeke@uiuc.edu>
Fri, 17 Oct 2003 18:27:46 +0000
(18:27 +0000)
committer
Brian Gaeke
<gaeke@uiuc.edu>
Fri, 17 Oct 2003 18:27:46 +0000
(18:27 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9204
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86TargetMachine.cpp
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diff --git
a/lib/Target/X86/X86TargetMachine.cpp
b/lib/Target/X86/X86TargetMachine.cpp
index dcc9beaf9d02bcd89cc73655a4d96695366bc57c..14af52099dd410f102368ec4bb5c1f82b306b3a9 100644
(file)
--- 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;
+}