X86 JIT PIC jumptable support.
llvm-svn: 45616
diff --git a/llvm/lib/Target/X86/X86JITInfo.h b/llvm/lib/Target/X86/X86JITInfo.h
index f163904..183e2f2 100644
--- a/llvm/lib/Target/X86/X86JITInfo.h
+++ b/llvm/lib/Target/X86/X86JITInfo.h
@@ -21,6 +21,7 @@
class X86JITInfo : public TargetJITInfo {
X86TargetMachine &TM;
+ intptr_t PICBase;
public:
X86JITInfo(X86TargetMachine &tm) : TM(tm) {useGOT = 0;}
@@ -40,6 +41,10 @@
/// address.
virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
+ /// getPICJumpTableEntry - Returns the value of the jumptable entry for the
+ /// specific basic block.
+ virtual intptr_t getPICJumpTableEntry(intptr_t BB, intptr_t JTBase);
+
/// getLazyResolverFunction - Expose the lazy resolver to the JIT.
virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
@@ -48,6 +53,11 @@
/// referenced global symbols.
virtual void relocate(void *Function, MachineRelocation *MR,
unsigned NumRelocs, unsigned char* GOTBase);
+
+ /// setPICBase / getPICBase - Getter / setter of PICBase, used to compute
+ /// PIC jumptable entry.
+ void setPICBase(intptr_t Base) { PICBase = Base; }
+ intptr_t getPICBase() const { return PICBase; }
};
}