TTypeEncoding = (CMModel == CodeModel::Small)
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
}
- } else if (T.getArch() == Triple::aarch64 ||
- T.getArch() == Triple::aarch64_be ) {
+ } else if (T.getArch() == Triple::aarch64 ||
+ T.getArch() == Triple::aarch64_be ||
+ T.getArch() == Triple::arm64) {
// The small model guarantees static code/data size < 4GB, but not where it
// will be in memory. Most of these could end up >2GB away so even a signed
// pc-relative 32-bit address is insufficient, theoretically.
#include "ARM64MachineFunctionInfo.h"
#include "ARM64MCInstLower.h"
#include "ARM64RegisterInfo.h"
+#include "ARM64Subtarget.h"
#include "InstPrinter/ARM64InstPrinter.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/StackMaps.h"
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/MC/MCAsmInfo.h"
namespace {
class ARM64AsmPrinter : public AsmPrinter {
+ /// Subtarget - Keep a pointer to the ARM64Subtarget around so that we can
+ /// make the right decision when printing asm code for different targets.
+ const ARM64Subtarget *Subtarget;
+
ARM64MCInstLower MCInstLowering;
StackMaps SM;
public:
ARM64AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer), MCInstLowering(OutContext, *Mang, *this),
- SM(*this), ARM64FI(NULL), LOHLabelCounter(0) {}
+ : AsmPrinter(TM, Streamer), Subtarget(&TM.getSubtarget<ARM64Subtarget>()),
+ MCInstLowering(OutContext, *Mang, *this), SM(*this), ARM64FI(NULL),
+ LOHLabelCounter(0) {}
virtual const char *getPassName() const { return "ARM64 Assembly Printer"; }
// generates code that does this, it is always safe to set.
OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
SM.serializeToStackMapSection();
+
+ // Emit a .data.rel section containing any stubs that were created.
+ if (Subtarget->isTargetELF()) {
+ const TargetLoweringObjectFileELF &TLOFELF =
+ static_cast<const TargetLoweringObjectFileELF &>(getObjFileLowering());
+
+ MachineModuleInfoELF &MMIELF = MMI->getObjFileInfo<MachineModuleInfoELF>();
+
+ // Output stubs for external and common global variables.
+ MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
+ if (!Stubs.empty()) {
+ OutStreamer.SwitchSection(TLOFELF.getDataRelSection());
+ const DataLayout *TD = TM.getDataLayout();
+
+ for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
+ OutStreamer.EmitLabel(Stubs[i].first);
+ OutStreamer.EmitSymbolValue(Stubs[i].second.getPointer(),
+ TD->getPointerSize(0));
+ }
+ Stubs.clear();
+ }
+ }
+
}
MachineLocation
; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
; RUN: llc -mtriple=aarch64_be-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
+; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s
; Make sure exception-handling PIC code can be linked correctly. An alternative
; to the sequence described below would have .gcc_except_table itself writable
; ... referring indirectly to stubs for its typeinfo ...
; CHECK: // @TType Encoding = indirect pcrel sdata8
; ... one of which is "int"'s typeinfo
-; CHECK: .Ltmp7:
-; CHECK-NEXT: .xword .L_ZTIi.DW.stub-.Ltmp7
+; CHECK: [[TYPEINFO_LBL:.Ltmp[0-9]+]]: // TypeInfo 1
+; CHECK-NEXT: .xword .L_ZTIi.DW.stub-[[TYPEINFO_LBL]]
; .. and which is properly defined (in a writable section for the dynamic loader) later.
; CHECK: .section .data.rel,"aw"