LLVM  16.0.0git
SparcMCAsmInfo.cpp
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1 //===- SparcMCAsmInfo.cpp - Sparc asm properties --------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file contains the declarations of the SparcMCAsmInfo properties.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "SparcMCAsmInfo.h"
14 #include "SparcMCExpr.h"
15 #include "llvm/ADT/Triple.h"
17 #include "llvm/MC/MCExpr.h"
18 #include "llvm/MC/MCStreamer.h"
20 
21 using namespace llvm;
22 
23 void SparcELFMCAsmInfo::anchor() {}
24 
26  bool isV9 = (TheTriple.getArch() == Triple::sparcv9);
27  IsLittleEndian = (TheTriple.getArch() == Triple::sparcel);
28 
29  if (isV9) {
31  }
32 
33  Data16bitsDirective = "\t.half\t";
34  Data32bitsDirective = "\t.word\t";
35  // .xword is only supported by V9.
36  Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr;
37  ZeroDirective = "\t.skip\t";
38  CommentString = "!";
40 
42 
44 }
45 
46 const MCExpr*
48  unsigned Encoding,
49  MCStreamer &Streamer) const {
50  if (Encoding & dwarf::DW_EH_PE_pcrel) {
51  MCContext &Ctx = Streamer.getContext();
53  MCSymbolRefExpr::create(Sym, Ctx), Ctx);
54  }
55 
56  return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);
57 }
58 
59 const MCExpr*
61  unsigned Encoding,
62  MCStreamer &Streamer) const {
63  if (Encoding & dwarf::DW_EH_PE_pcrel) {
64  MCContext &Ctx = Streamer.getContext();
66  MCSymbolRefExpr::create(Sym, Ctx), Ctx);
67  }
68  return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
69 }
llvm::MCAsmInfo::getExprForFDESymbol
virtual const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:102
llvm::SparcELFMCAsmInfo::SparcELFMCAsmInfo
SparcELFMCAsmInfo(const Triple &TheTriple)
Definition: SparcMCAsmInfo.cpp:25
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
llvm::MCSymbol
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
MCTargetOptions.h
llvm::MCContext
Context object for machine code objects.
Definition: MCContext.h:76
llvm::MCAsmInfo::SupportsDebugInformation
bool SupportsDebugInformation
True if target supports emission of debugging information.
Definition: MCAsmInfo.h:449
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
llvm::MCAsmInfo::UsesELFSectionDirectiveForBSS
bool UsesELFSectionDirectiveForBSS
This is true if this target uses ELF '.section' directive before the '.bss' one.
Definition: MCAsmInfo.h:319
llvm::MCAsmInfo::Data64bitsDirective
const char * Data64bitsDirective
Definition: MCAsmInfo.h:288
llvm::MCAsmInfo::Data32bitsDirective
const char * Data32bitsDirective
Definition: MCAsmInfo.h:287
llvm::MCAsmInfo::getExprForPersonalitySymbol
virtual const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:95
llvm::MCStreamer
Streaming machine code generation interface.
Definition: MCStreamer.h:212
llvm::SparcMCExpr::VK_Sparc_R_DISP32
@ VK_Sparc_R_DISP32
Definition: SparcMCExpr.h:43
llvm::Triple::sparcv9
@ sparcv9
Definition: Triple.h:78
llvm::Triple::sparcel
@ sparcel
Definition: Triple.h:79
llvm::SparcMCExpr::create
static const SparcMCExpr * create(VariantKind Kind, const MCExpr *Expr, MCContext &Ctx)
Definition: SparcMCExpr.cpp:27
SparcMCExpr.h
llvm::Triple::getArch
ArchType getArch() const
Get the parsed architecture type of this triple.
Definition: Triple.h:354
llvm::dwarf::DW_EH_PE_pcrel
@ DW_EH_PE_pcrel
Definition: Dwarf.h:448
llvm::MCAsmInfo::CommentString
StringRef CommentString
This indicates the comment string used by the assembler.
Definition: MCAsmInfo.h:135
llvm::MCAsmInfo::CodePointerSize
unsigned CodePointerSize
Code pointer size in bytes. Default is 4.
Definition: MCAsmInfo.h:72
llvm::MCAsmInfo::ZeroDirective
const char * ZeroDirective
This should be set to the directive used to get some number of zero (and non-zero if supported by the...
Definition: MCAsmInfo.h:249
llvm::MCAsmInfo::Data16bitsDirective
const char * Data16bitsDirective
Definition: MCAsmInfo.h:286
Triple.h
SparcMCAsmInfo.h
Dwarf.h
llvm::SparcELFMCAsmInfo::getExprForPersonalitySymbol
const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const override
Definition: SparcMCAsmInfo.cpp:47
llvm::MCAsmInfo::CalleeSaveStackSlotSize
unsigned CalleeSaveStackSlotSize
Size of the stack slot reserved for callee-saved registers, in bytes.
Definition: MCAsmInfo.h:76
llvm::MCSymbolRefExpr::create
static const MCSymbolRefExpr * create(const MCSymbol *Symbol, MCContext &Ctx)
Definition: MCExpr.h:386
llvm::MCStreamer::getContext
MCContext & getContext() const
Definition: MCStreamer.h:293
MCStreamer.h
llvm::MCAsmInfo::ExceptionsType
ExceptionHandling ExceptionsType
Exception handling format for the target. Defaults to None.
Definition: MCAsmInfo.h:452
llvm::SparcELFMCAsmInfo::getExprForFDESymbol
const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const override
Definition: SparcMCAsmInfo.cpp:60
MCExpr.h
llvm::ExceptionHandling::DwarfCFI
@ DwarfCFI
DWARF-like instruction based exceptions.
llvm::MCExpr
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:35
llvm::MCAsmInfo::IsLittleEndian
bool IsLittleEndian
True if target is little endian. Default is true.
Definition: MCAsmInfo.h:79