LLVM 19.0.0git
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"
16#include "llvm/MC/MCExpr.h"
17#include "llvm/MC/MCStreamer.h"
20
21using namespace llvm;
22
23void 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
46const 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
59const 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}
This file contains constants used for implementing Dwarf debug support.
Symbol * Sym
Definition: ELF_riscv.cpp:479
const char * Data16bitsDirective
Definition: MCAsmInfo.h:289
const char * Data64bitsDirective
Definition: MCAsmInfo.h:291
ExceptionHandling ExceptionsType
Exception handling format for the target. Defaults to None.
Definition: MCAsmInfo.h:457
const char * Data32bitsDirective
Definition: MCAsmInfo.h:290
bool UsesELFSectionDirectiveForBSS
This is true if this target uses ELF '.section' directive before the '.bss' one.
Definition: MCAsmInfo.h:322
bool SupportsDebugInformation
True if target supports emission of debugging information.
Definition: MCAsmInfo.h:454
virtual const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:87
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:252
bool IsLittleEndian
True if target is little endian. Default is true.
Definition: MCAsmInfo.h:79
unsigned CodePointerSize
Code pointer size in bytes. Default is 4.
Definition: MCAsmInfo.h:72
virtual const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const
Definition: MCAsmInfo.cpp:80
unsigned CalleeSaveStackSlotSize
Size of the stack slot reserved for callee-saved registers, in bytes.
Definition: MCAsmInfo.h:76
StringRef CommentString
This indicates the comment string used by the assembler.
Definition: MCAsmInfo.h:135
Context object for machine code objects.
Definition: MCContext.h:83
Base class for the full range of assembler expressions which are needed for parsing.
Definition: MCExpr.h:34
Streaming machine code generation interface.
Definition: MCStreamer.h:213
MCContext & getContext() const
Definition: MCStreamer.h:300
static const MCSymbolRefExpr * create(const MCSymbol *Symbol, MCContext &Ctx)
Definition: MCExpr.h:393
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
SparcELFMCAsmInfo(const Triple &TheTriple)
const MCExpr * getExprForFDESymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const override
const MCExpr * getExprForPersonalitySymbol(const MCSymbol *Sym, unsigned Encoding, MCStreamer &Streamer) const override
static const SparcMCExpr * create(VariantKind Kind, const MCExpr *Expr, MCContext &Ctx)
Definition: SparcMCExpr.cpp:27
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
ArchType getArch() const
Get the parsed architecture type of this triple.
Definition: Triple.h:373
@ DW_EH_PE_pcrel
Definition: Dwarf.h:851
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
@ DwarfCFI
DWARF-like instruction based exceptions.