//
//===----------------------------------------------------------------------===//
-#ifndef ARMASMPRINTER_H
-#define ARMASMPRINTER_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMASMPRINTER_H
+#define LLVM_LIB_TARGET_ARM_ARMASMPRINTER_H
-#include "ARM.h"
-#include "ARMTargetMachine.h"
+#include "ARMSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/Support/Compiler.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
+class ARMFunctionInfo;
class MCOperand;
+class MachineConstantPool;
+class MachineOperand;
+class MCSymbol;
namespace ARM {
enum DW_ISA {
/// InConstantPool - Maintain state when emitting a sequence of constant
/// pool entries so we can properly mark them as data regions.
bool InConstantPool;
+
+ /// ThumbIndirectPads - These maintain a per-function list of jump pad
+ /// labels used for ARMv4t thumb code to make register indirect calls.
+ SmallVector<std::pair<unsigned, MCSymbol*>, 4> ThumbIndirectPads;
+
public:
- explicit ARMAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer), AFI(NULL), MCP(NULL), InConstantPool(false) {
- Subtarget = &TM.getSubtarget<ARMSubtarget>();
- }
+ explicit ARMAsmPrinter(TargetMachine &TM,
+ std::unique_ptr<MCStreamer> Streamer);
- virtual const char *getPassName() const LLVM_OVERRIDE {
+ const char *getPassName() const override {
return "ARM Assembly / Object Emitter";
}
- void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O,
- const char *Modifier = 0);
+ void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O);
- virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
- unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O) LLVM_OVERRIDE;
- virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
- unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O) LLVM_OVERRIDE;
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) override;
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) override;
- virtual void emitInlineAsmEnd(const MCSubtargetInfo &StartInfo,
- const MCSubtargetInfo *EndInfo) const
- LLVM_OVERRIDE;
+ void emitInlineAsmEnd(const MCSubtargetInfo &StartInfo,
+ const MCSubtargetInfo *EndInfo) const override;
- void EmitJumpTable(const MachineInstr *MI);
- void EmitJump2Table(const MachineInstr *MI);
- virtual void EmitInstruction(const MachineInstr *MI) LLVM_OVERRIDE;
- virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE;
+ void EmitJumpTableAddrs(const MachineInstr *MI);
+ void EmitJumpTableInsts(const MachineInstr *MI);
+ void EmitJumpTableTBInst(const MachineInstr *MI, unsigned OffsetWidth);
+ void EmitInstruction(const MachineInstr *MI) override;
+ bool runOnMachineFunction(MachineFunction &F) override;
- virtual void EmitConstantPool() LLVM_OVERRIDE {
+ void EmitConstantPool() override {
// we emit constant pools customly!
}
- virtual void EmitFunctionBodyEnd() LLVM_OVERRIDE;
- virtual void EmitFunctionEntryLabel() LLVM_OVERRIDE;
- virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE;
- virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE;
- virtual void EmitXXStructor(const Constant *CV) LLVM_OVERRIDE;
+ void EmitFunctionBodyEnd() override;
+ void EmitFunctionEntryLabel() override;
+ void EmitStartOfAsmFile(Module &M) override;
+ void EmitEndOfAsmFile(Module &M) override;
+ void EmitXXStructor(const DataLayout &DL, const Constant *CV) override;
// lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
const MachineInstr *MI);
public:
- virtual unsigned getISAEncoding() LLVM_OVERRIDE {
+ unsigned getISAEncoding() override {
// ARM/Darwin adds ISA to the DWARF info for each function.
- if (!Subtarget->isTargetMachO())
+ const Triple &TT = TM.getTargetTriple();
+ if (!TT.isOSBinFormatMachO())
return 0;
- return Subtarget->isThumb() ?
- ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
+ bool isThumb = TT.getArch() == Triple::thumb ||
+ TT.getArch() == Triple::thumbeb ||
+ TT.getSubArch() == Triple::ARMSubArch_v7m ||
+ TT.getSubArch() == Triple::ARMSubArch_v6m;
+ return isThumb ? ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
}
private:
MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol);
- MCSymbol *GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const;
-
- MCSymbol *GetARMSJLJEHLabel() const;
+ MCSymbol *GetARMJTIPICJumpTableLabel(unsigned uid) const;
MCSymbol *GetARMGVSymbol(const GlobalValue *GV, unsigned char TargetFlags);
public:
/// EmitMachineConstantPoolValue - Print a machine constantpool value to
/// the .s file.
- virtual void
- EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) LLVM_OVERRIDE;
+ void EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
};
} // end namespace llvm