-//===- X86JITInfo.h - X86 implementation of the JIT interface --*- C++ -*-===//
+//===-- X86JITInfo.h - X86 implementation of the JIT interface --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
#ifndef X86JITINFO_H
#define X86JITINFO_H
-#include "llvm/Function.h"
#include "llvm/CodeGen/JITCodeEmitter.h"
+#include "llvm/IR/Function.h"
#include "llvm/Target/TargetJITInfo.h"
namespace llvm {
- class X86TargetMachine;
+ class X86Subtarget;
class X86JITInfo : public TargetJITInfo {
- X86TargetMachine &TM;
uintptr_t PICBase;
- char* TLSOffset;
+ char *TLSOffset;
+ bool useSSE;
public:
- explicit X86JITInfo(X86TargetMachine &tm) : TM(tm) {
- useGOT = 0;
- TLSOffset = 0;
- }
+ explicit X86JITInfo(bool UseSSE);
/// replaceMachineCodeForFunction - Make it so that calling the function
/// whose machine code is at OLD turns into a call to NEW, perhaps by
/// overwriting OLD with a branch to NEW. This is used for self-modifying
/// code.
///
- virtual void replaceMachineCodeForFunction(void *Old, void *New);
+ void replaceMachineCodeForFunction(void *Old, void *New) override;
/// emitGlobalValueIndirectSym - Use the specified JITCodeEmitter object
/// to emit an indirect symbol which contains the address of the specified
/// ptr.
- virtual void *emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
- JITCodeEmitter &JCE);
+ void *emitGlobalValueIndirectSym(const GlobalValue* GV, void *ptr,
+ JITCodeEmitter &JCE) override;
+
+ // getStubLayout - Returns the size and alignment of the largest call stub
+ // on X86.
+ StubLayout getStubLayout() override;
/// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
/// small native function that simply calls the function at the specified
/// address.
- virtual void *emitFunctionStub(const Function* F, void *Fn,
- JITCodeEmitter &JCE);
-
- /// emitFunctionStubAtAddr - Use the specified JITCodeEmitter object to
- /// emit a small native function that simply calls Fn. Emit the stub into
- /// the supplied buffer.
- virtual void emitFunctionStubAtAddr(const Function* F, void *Fn,
- void *Buffer, JITCodeEmitter &JCE);
+ void *emitFunctionStub(const Function* F, void *Target,
+ JITCodeEmitter &JCE) override;
/// getPICJumpTableEntry - Returns the value of the jumptable entry for the
/// specific basic block.
- virtual uintptr_t getPICJumpTableEntry(uintptr_t BB, uintptr_t JTBase);
+ uintptr_t getPICJumpTableEntry(uintptr_t BB, uintptr_t JTBase) override;
/// getLazyResolverFunction - Expose the lazy resolver to the JIT.
- virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
+ LazyResolverFn getLazyResolverFunction(JITCompilerFn) override;
/// relocate - Before the JIT can run a block of code that has been emitted,
/// it must rewrite the code to contain the actual addresses of any
/// referenced global symbols.
- virtual void relocate(void *Function, MachineRelocation *MR,
- unsigned NumRelocs, unsigned char* GOTBase);
-
+ void relocate(void *Function, MachineRelocation *MR,
+ unsigned NumRelocs, unsigned char* GOTBase) override;
+
/// allocateThreadLocalMemory - Each target has its own way of
/// handling thread local variables. This method returns a value only
/// meaningful to the target.
- virtual char* allocateThreadLocalMemory(size_t size);
+ char* allocateThreadLocalMemory(size_t size) override;
/// setPICBase / getPICBase - Getter / setter of PICBase, used to compute
/// PIC jumptable entry.