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//=====- NVPTXTargetStreamer.cpp - NVPTXTargetStreamer class ------------=====//
//
// 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 NVPTXTargetStreamer class.
//
//===----------------------------------------------------------------------===//
#include "NVPTXTargetStreamer.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCObjectFileInfo.h"
using namespace llvm;
//
// NVPTXTargetStreamer Implemenation
//
NVPTXTargetStreamer::NVPTXTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
NVPTXTargetStreamer::~NVPTXTargetStreamer() = default;
void NVPTXTargetStreamer::emitDwarfFileDirective(StringRef Directive) {
DwarfFiles.emplace_back(Directive);
}
static bool isDwarfSection(const MCObjectFileInfo *FI,
const MCSection *Section) {
// FIXME: the checks for the DWARF sections are very fragile and should be
// fixed up in a followup patch.
if (!Section || Section->getKind().isText() ||
Section->getKind().isWriteable())
return false;
return Section == FI->getDwarfAbbrevSection() ||
Section == FI->getDwarfInfoSection() ||
Section == FI->getDwarfMacinfoSection() ||
Section == FI->getDwarfFrameSection() ||
Section == FI->getDwarfAddrSection() ||
Section == FI->getDwarfRangesSection() ||
Section == FI->getDwarfARangesSection() ||
Section == FI->getDwarfLocSection() ||
Section == FI->getDwarfStrSection() ||
Section == FI->getDwarfLineSection() ||
Section == FI->getDwarfStrOffSection() ||
Section == FI->getDwarfLineStrSection() ||
Section == FI->getDwarfPubNamesSection() ||
Section == FI->getDwarfPubTypesSection() ||
Section == FI->getDwarfSwiftASTSection() ||
Section == FI->getDwarfTypesDWOSection() ||
Section == FI->getDwarfAbbrevDWOSection() ||
Section == FI->getDwarfAccelObjCSection() ||
Section == FI->getDwarfAccelNamesSection() ||
Section == FI->getDwarfAccelTypesSection() ||
Section == FI->getDwarfAccelNamespaceSection() ||
Section == FI->getDwarfLocDWOSection() ||
Section == FI->getDwarfStrDWOSection() ||
Section == FI->getDwarfCUIndexSection() ||
Section == FI->getDwarfInfoDWOSection() ||
Section == FI->getDwarfLineDWOSection() ||
Section == FI->getDwarfTUIndexSection() ||
Section == FI->getDwarfStrOffDWOSection() ||
Section == FI->getDwarfDebugNamesSection() ||
Section == FI->getDwarfDebugInlineSection() ||
Section == FI->getDwarfGnuPubNamesSection() ||
Section == FI->getDwarfGnuPubTypesSection();
}
void NVPTXTargetStreamer::changeSection(const MCSection *CurSection,
MCSection *Section,
const MCExpr *SubSection,
raw_ostream &OS) {
assert(!SubSection && "SubSection is not null!");
const MCObjectFileInfo *FI = getStreamer().getContext().getObjectFileInfo();
// FIXME: remove comment once debug info is properly supported.
// Emit closing brace for DWARF sections only.
if (isDwarfSection(FI, CurSection))
OS << "//\t}\n";
if (isDwarfSection(FI, Section)) {
// Emit DWARF .file directives in the outermost scope.
for (const std::string &S : DwarfFiles)
getStreamer().EmitRawText(S.data());
DwarfFiles.clear();
OS << "//\t.section";
Section->PrintSwitchToSection(*getStreamer().getContext().getAsmInfo(),
FI->getTargetTriple(), OS, SubSection);
// DWARF sections are enclosed into braces - emit the open one.
OS << "//\t{\n";
}
}
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