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-rw-r--r--gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp274
1 files changed, 0 insertions, 274 deletions
diff --git a/gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
deleted file mode 100644
index afce3ad3133..00000000000
--- a/gnu/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ /dev/null
@@ -1,274 +0,0 @@
-//===-- AsmPrinterDwarf.cpp - AsmPrinter Dwarf Support --------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the Dwarf emissions parts of AsmPrinter.
-//
-//===----------------------------------------------------------------------===//
-
-#include "ByteStreamer.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/BinaryFormat/Dwarf.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DIE.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/IR/DataLayout.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCSection.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MachineLocation.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "asm-printer"
-
-//===----------------------------------------------------------------------===//
-// Dwarf Emission Helper Routines
-//===----------------------------------------------------------------------===//
-
-/// EmitSLEB128 - emit the specified signed leb128 value.
-void AsmPrinter::EmitSLEB128(int64_t Value, const char *Desc) const {
- if (isVerbose() && Desc)
- OutStreamer->AddComment(Desc);
-
- OutStreamer->EmitSLEB128IntValue(Value);
-}
-
-void AsmPrinter::EmitULEB128(uint64_t Value, const char *Desc) const {
- if (isVerbose() && Desc)
- OutStreamer->AddComment(Desc);
-
- OutStreamer->EmitULEB128IntValue(Value);
-}
-
-/// Emit something like ".uleb128 Hi-Lo".
-void AsmPrinter::EmitLabelDifferenceAsULEB128(const MCSymbol *Hi,
- const MCSymbol *Lo) const {
- OutStreamer->emitAbsoluteSymbolDiffAsULEB128(Hi, Lo);
-}
-
-static const char *DecodeDWARFEncoding(unsigned Encoding) {
- switch (Encoding) {
- case dwarf::DW_EH_PE_absptr:
- return "absptr";
- case dwarf::DW_EH_PE_omit:
- return "omit";
- case dwarf::DW_EH_PE_pcrel:
- return "pcrel";
- case dwarf::DW_EH_PE_uleb128:
- return "uleb128";
- case dwarf::DW_EH_PE_sleb128:
- return "sleb128";
- case dwarf::DW_EH_PE_udata4:
- return "udata4";
- case dwarf::DW_EH_PE_udata8:
- return "udata8";
- case dwarf::DW_EH_PE_sdata4:
- return "sdata4";
- case dwarf::DW_EH_PE_sdata8:
- return "sdata8";
- case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4:
- return "pcrel udata4";
- case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4:
- return "pcrel sdata4";
- case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8:
- return "pcrel udata8";
- case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8:
- return "pcrel sdata8";
- case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4
- :
- return "indirect pcrel udata4";
- case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
- :
- return "indirect pcrel sdata4";
- case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8
- :
- return "indirect pcrel udata8";
- case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8
- :
- return "indirect pcrel sdata8";
- }
-
- return "<unknown encoding>";
-}
-
-/// EmitEncodingByte - Emit a .byte 42 directive that corresponds to an
-/// encoding. If verbose assembly output is enabled, we output comments
-/// describing the encoding. Desc is an optional string saying what the
-/// encoding is specifying (e.g. "LSDA").
-void AsmPrinter::EmitEncodingByte(unsigned Val, const char *Desc) const {
- if (isVerbose()) {
- if (Desc)
- OutStreamer->AddComment(Twine(Desc) + " Encoding = " +
- Twine(DecodeDWARFEncoding(Val)));
- else
- OutStreamer->AddComment(Twine("Encoding = ") + DecodeDWARFEncoding(Val));
- }
-
- OutStreamer->EmitIntValue(Val, 1);
-}
-
-/// GetSizeOfEncodedValue - Return the size of the encoding in bytes.
-unsigned AsmPrinter::GetSizeOfEncodedValue(unsigned Encoding) const {
- if (Encoding == dwarf::DW_EH_PE_omit)
- return 0;
-
- switch (Encoding & 0x07) {
- default:
- llvm_unreachable("Invalid encoded value.");
- case dwarf::DW_EH_PE_absptr:
- return MF->getDataLayout().getPointerSize();
- case dwarf::DW_EH_PE_udata2:
- return 2;
- case dwarf::DW_EH_PE_udata4:
- return 4;
- case dwarf::DW_EH_PE_udata8:
- return 8;
- }
-}
-
-void AsmPrinter::EmitTTypeReference(const GlobalValue *GV,
- unsigned Encoding) const {
- if (GV) {
- const TargetLoweringObjectFile &TLOF = getObjFileLowering();
-
- const MCExpr *Exp =
- TLOF.getTTypeGlobalReference(GV, Encoding, TM, MMI, *OutStreamer);
- OutStreamer->EmitValue(Exp, GetSizeOfEncodedValue(Encoding));
- } else
- OutStreamer->EmitIntValue(0, GetSizeOfEncodedValue(Encoding));
-}
-
-void AsmPrinter::emitDwarfSymbolReference(const MCSymbol *Label,
- bool ForceOffset) const {
- if (!ForceOffset) {
- // On COFF targets, we have to emit the special .secrel32 directive.
- if (MAI->needsDwarfSectionOffsetDirective()) {
- OutStreamer->EmitCOFFSecRel32(Label, /*Offset=*/0);
- return;
- }
-
- // If the format uses relocations with dwarf, refer to the symbol directly.
- if (MAI->doesDwarfUseRelocationsAcrossSections()) {
- OutStreamer->EmitSymbolValue(Label, 4);
- return;
- }
- }
-
- // Otherwise, emit it as a label difference from the start of the section.
- EmitLabelDifference(Label, Label->getSection().getBeginSymbol(), 4);
-}
-
-void AsmPrinter::emitDwarfStringOffset(DwarfStringPoolEntry S) const {
- if (MAI->doesDwarfUseRelocationsAcrossSections()) {
- assert(S.Symbol && "No symbol available");
- emitDwarfSymbolReference(S.Symbol);
- return;
- }
-
- // Just emit the offset directly; no need for symbol math.
- emitInt32(S.Offset);
-}
-
-void AsmPrinter::EmitDwarfOffset(const MCSymbol *Label, uint64_t Offset) const {
- EmitLabelPlusOffset(Label, Offset, MAI->getCodePointerSize());
-}
-
-//===----------------------------------------------------------------------===//
-// Dwarf Lowering Routines
-//===----------------------------------------------------------------------===//
-
-void AsmPrinter::emitCFIInstruction(const MCCFIInstruction &Inst) const {
- switch (Inst.getOperation()) {
- default:
- llvm_unreachable("Unexpected instruction");
- case MCCFIInstruction::OpDefCfaOffset:
- OutStreamer->EmitCFIDefCfaOffset(Inst.getOffset());
- break;
- case MCCFIInstruction::OpAdjustCfaOffset:
- OutStreamer->EmitCFIAdjustCfaOffset(Inst.getOffset());
- break;
- case MCCFIInstruction::OpDefCfa:
- OutStreamer->EmitCFIDefCfa(Inst.getRegister(), Inst.getOffset());
- break;
- case MCCFIInstruction::OpDefCfaRegister:
- OutStreamer->EmitCFIDefCfaRegister(Inst.getRegister());
- break;
- case MCCFIInstruction::OpOffset:
- OutStreamer->EmitCFIOffset(Inst.getRegister(), Inst.getOffset());
- break;
- case MCCFIInstruction::OpRegister:
- OutStreamer->EmitCFIRegister(Inst.getRegister(), Inst.getRegister2());
- break;
- case MCCFIInstruction::OpWindowSave:
- OutStreamer->EmitCFIWindowSave();
- break;
- case MCCFIInstruction::OpNegateRAState:
- OutStreamer->EmitCFINegateRAState();
- break;
- case MCCFIInstruction::OpSameValue:
- OutStreamer->EmitCFISameValue(Inst.getRegister());
- break;
- case MCCFIInstruction::OpGnuArgsSize:
- OutStreamer->EmitCFIGnuArgsSize(Inst.getOffset());
- break;
- case MCCFIInstruction::OpEscape:
- OutStreamer->EmitCFIEscape(Inst.getValues());
- break;
- case MCCFIInstruction::OpRestore:
- OutStreamer->EmitCFIRestore(Inst.getRegister());
- break;
- }
-}
-
-void AsmPrinter::emitDwarfDIE(const DIE &Die) const {
- // Emit the code (index) for the abbreviation.
- if (isVerbose())
- OutStreamer->AddComment("Abbrev [" + Twine(Die.getAbbrevNumber()) + "] 0x" +
- Twine::utohexstr(Die.getOffset()) + ":0x" +
- Twine::utohexstr(Die.getSize()) + " " +
- dwarf::TagString(Die.getTag()));
- EmitULEB128(Die.getAbbrevNumber());
-
- // Emit the DIE attribute values.
- for (const auto &V : Die.values()) {
- dwarf::Attribute Attr = V.getAttribute();
- assert(V.getForm() && "Too many attributes for DIE (check abbreviation)");
-
- if (isVerbose()) {
- OutStreamer->AddComment(dwarf::AttributeString(Attr));
- if (Attr == dwarf::DW_AT_accessibility)
- OutStreamer->AddComment(
- dwarf::AccessibilityString(V.getDIEInteger().getValue()));
- }
-
- // Emit an attribute using the defined form.
- V.EmitValue(this);
- }
-
- // Emit the DIE children if any.
- if (Die.hasChildren()) {
- for (auto &Child : Die.children())
- emitDwarfDIE(Child);
-
- OutStreamer->AddComment("End Of Children Mark");
- emitInt8(0);
- }
-}
-
-void AsmPrinter::emitDwarfAbbrev(const DIEAbbrev &Abbrev) const {
- // Emit the abbreviations code (base 1 index.)
- EmitULEB128(Abbrev.getNumber(), "Abbreviation Code");
-
- // Emit the abbreviations data.
- Abbrev.Emit(this);
-}
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