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459e595697
Use the MCAsmInfo instead of the DataLayout, and allow specifying a custom prefix for labels specifically. HSAIL requires that labels begin with @, but global symbols with &. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223323 91177308-0d34-0410-b5e6-96231b3b80d8
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
//===-- ARMMCAsmInfo.cpp - ARM asm properties -----------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declarations of the ARMMCAsmInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "ARMMCAsmInfo.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/ADT/Triple.h"
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using namespace llvm;
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void ARMMCAsmInfoDarwin::anchor() { }
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ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin(StringRef TT) {
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Triple TheTriple(TT);
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if ((TheTriple.getArch() == Triple::armeb) ||
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(TheTriple.getArch() == Triple::thumbeb))
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IsLittleEndian = false;
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Data64bitsDirective = nullptr;
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CommentString = "@";
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Code16Directive = ".code\t16";
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Code32Directive = ".code\t32";
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UseDataRegionDirectives = true;
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SupportsDebugInformation = true;
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// Exceptions handling
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ExceptionsType = ExceptionHandling::SjLj;
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UseIntegratedAssembler = true;
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}
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void ARMELFMCAsmInfo::anchor() { }
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ARMELFMCAsmInfo::ARMELFMCAsmInfo(StringRef TT) {
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Triple TheTriple(TT);
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if ((TheTriple.getArch() == Triple::armeb) ||
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(TheTriple.getArch() == Triple::thumbeb))
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IsLittleEndian = false;
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// ".comm align is in bytes but .align is pow-2."
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AlignmentIsInBytes = false;
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Data64bitsDirective = nullptr;
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CommentString = "@";
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Code16Directive = ".code\t16";
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Code32Directive = ".code\t32";
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SupportsDebugInformation = true;
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// Exceptions handling
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switch (TheTriple.getOS()) {
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case Triple::NetBSD:
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ExceptionsType = ExceptionHandling::DwarfCFI;
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break;
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default:
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ExceptionsType = ExceptionHandling::ARM;
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break;
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}
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// foo(plt) instead of foo@plt
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UseParensForSymbolVariant = true;
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UseIntegratedAssembler = true;
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}
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void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {
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UseIntegratedAssembler = Value;
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if (!UseIntegratedAssembler) {
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// gas doesn't handle VFP register names in cfi directives,
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// so don't use register names with external assembler.
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// See https://sourceware.org/bugzilla/show_bug.cgi?id=16694
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DwarfRegNumForCFI = true;
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}
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}
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void ARMCOFFMCAsmInfoMicrosoft::anchor() { }
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ARMCOFFMCAsmInfoMicrosoft::ARMCOFFMCAsmInfoMicrosoft() {
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AlignmentIsInBytes = false;
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PrivateGlobalPrefix = "$M";
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PrivateLabelPrefix = "$M";
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}
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void ARMCOFFMCAsmInfoGNU::anchor() { }
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ARMCOFFMCAsmInfoGNU::ARMCOFFMCAsmInfoGNU() {
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AlignmentIsInBytes = false;
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HasSingleParameterDotFile = true;
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CommentString = "@";
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Code16Directive = ".code\t16";
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Code32Directive = ".code\t32";
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PrivateGlobalPrefix = ".L";
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PrivateLabelPrefix = ".L";
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SupportsDebugInformation = true;
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ExceptionsType = ExceptionHandling::None;
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UseParensForSymbolVariant = true;
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UseIntegratedAssembler = false;
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DwarfRegNumForCFI = true;
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}
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