LLVM  4.0.0
SparcMCAsmInfo.cpp
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1 //===-- SparcMCAsmInfo.cpp - Sparc asm properties -------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file contains the declarations of the SparcMCAsmInfo properties.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "SparcMCAsmInfo.h"
15 #include "SparcMCExpr.h"
16 #include "llvm/ADT/Triple.h"
17 #include "llvm/MC/MCStreamer.h"
18 
19 using namespace llvm;
20 
21 void SparcELFMCAsmInfo::anchor() {}
22 
24  bool isV9 = (TheTriple.getArch() == Triple::sparcv9);
25  IsLittleEndian = (TheTriple.getArch() == Triple::sparcel);
26 
27  if (isV9) {
29  }
30 
31  Data16bitsDirective = "\t.half\t";
32  Data32bitsDirective = "\t.word\t";
33  // .xword is only supported by V9.
34  Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr;
35  ZeroDirective = "\t.skip\t";
36  CommentString = "!";
38 
40 
43 
45 }
46 
47 const MCExpr*
49  unsigned Encoding,
50  MCStreamer &Streamer) const {
51  if (Encoding & dwarf::DW_EH_PE_pcrel) {
52  MCContext &Ctx = Streamer.getContext();
54  MCSymbolRefExpr::create(Sym, Ctx), Ctx);
55  }
56 
57  return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);
58 }
59 
60 const MCExpr*
62  unsigned Encoding,
63  MCStreamer &Streamer) const {
64  if (Encoding & dwarf::DW_EH_PE_pcrel) {
65  MCContext &Ctx = Streamer.getContext();
67  MCSymbolRefExpr::create(Sym, Ctx), Ctx);
68  }
69  return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
70 }
bool UseIntegratedAssembler
Should we use the integrated assembler? The integrated assembler should be enabled by default (by the...
Definition: MCAsmInfo.h:358
static const MCSymbolRefExpr * create(const MCSymbol *Symbol, MCContext &Ctx)
Definition: MCExpr.h:298
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:39
const char * Data64bitsDirective
Definition: MCAsmInfo.h:184
const char * ZeroDirective
This should be set to the directive used to get some number of zero bytes emitted to the current sect...
Definition: MCAsmInfo.h:166
bool IsLittleEndian
True if target is little endian. Default is true.
Definition: MCAsmInfo.h:71
unsigned CalleeSaveStackSlotSize
Size of the stack slot reserved for callee-saved registers, in bytes.
Definition: MCAsmInfo.h:68
virtual const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:122
StringRef CommentString
This indicates the comment character used by the assembler.
Definition: MCAsmInfo.h:106
bool UsesELFSectionDirectiveForBSS
This is true if this target uses ELF '.section' directive before the '.bss' one.
Definition: MCAsmInfo.h:212
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:34
MCContext & getContext() const
Definition: MCStreamer.h:221
Context object for machine code objects.
Definition: MCContext.h:51
bool SunStyleELFSectionSwitchSyntax
This is true if this target uses "Sun Style" syntax for section switching ("#alloc,#write" etc) instead of the normal ELF syntax (,"a,w") in .section directives.
Definition: MCAsmInfo.h:207
ArchType getArch() const
getArch - Get the parsed architecture type of this triple.
Definition: Triple.h:270
const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const override
Streaming machine code generation interface.
Definition: MCStreamer.h:161
unsigned PointerSize
Pointer size in bytes. Default is 4.
Definition: MCAsmInfo.h:64
bool SupportsDebugInformation
True if target supports emission of debugging information.
Definition: MCAsmInfo.h:323
const char * Data16bitsDirective
Definition: MCAsmInfo.h:182
SparcELFMCAsmInfo(const Triple &TheTriple)
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const override
const char * Data32bitsDirective
Definition: MCAsmInfo.h:183
ExceptionHandling ExceptionsType
Exception handling format for the target. Defaults to None.
Definition: MCAsmInfo.h:326
static const SparcMCExpr * create(VariantKind Kind, const MCExpr *Expr, MCContext &Ctx)
Definition: SparcMCExpr.cpp:28
virtual const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:129
No exception support.