//
//===----------------------------------------------------------------------===//
-#ifndef ARMASMPRINTER_H
-#define ARMASMPRINTER_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMASMPRINTER_H
+#define LLVM_LIB_TARGET_ARM_ARMASMPRINTER_H
#include "ARMSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
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(nullptr), MCP(nullptr),
- InConstantPool(false) {
- Subtarget = &TM.getSubtarget<ARMSubtarget>();
- }
+ explicit ARMAsmPrinter(TargetMachine &TM,
+ std::unique_ptr<MCStreamer> Streamer);
const char *getPassName() const override {
return "ARM Assembly / Object Emitter";
}
- void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O,
- const char *Modifier = nullptr);
+ void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode,
void emitInlineAsmEnd(const MCSubtargetInfo &StartInfo,
const MCSubtargetInfo *EndInfo) const override;
- void EmitJumpTable(const MachineInstr *MI);
- void EmitJump2Table(const MachineInstr *MI);
+ 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;
void EmitFunctionEntryLabel() override;
void EmitStartOfAsmFile(Module &M) override;
void EmitEndOfAsmFile(Module &M) override;
- void EmitXXStructor(const Constant *CV) 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);
public:
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);