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X86 PIC JIT support fixes: encoding bugs, add lazy pointer stubs support.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45575 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-01-04 10:46:51 +00:00
parent 2674d71df0
commit be8c03fc66
6 changed files with 154 additions and 32 deletions
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7
include/llvm/Target/TargetJITInfo.h
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@ -40,6 +40,13 @@ namespace llvm {
///
virtual void replaceMachineCodeForFunction(void *Old, void *New) = 0;
/// emitGlobalValueLazyPtr - Use the specified MachineCodeEmitter object to
/// emit a lazy pointer which contains the address of the specified GV.
virtual void *emitGlobalValueLazyPtr(void *GV, MachineCodeEmitter &MCE) {
assert(0 && "This target doesn't implement emitGlobalValueLazyPtr!");
return 0;
}
/// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
/// small native function that simply calls the function at the specified
/// address. Return the address of the resultant function.