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[SystemZ] [z/OS] Emit offset to PPA2 in separate MCSection #84043

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Merged
merged 1 commit into from
Mar 5, 2024
Merged

[SystemZ] [z/OS] Emit offset to PPA2 in separate MCSection #84043

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2 changes: 2 additions & 0 deletions llvm/include/llvm/MC/MCObjectFileInfo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -228,6 +228,7 @@ class MCObjectFileInfo {
// GOFF specific sections.
MCSection *PPA1Section = nullptr;
MCSection *PPA2Section = nullptr;
MCSection *PPA2ListSection = nullptr;
MCSection *ADASection = nullptr;
MCSection *IDRLSection = nullptr;

Expand Down Expand Up @@ -434,6 +435,7 @@ class MCObjectFileInfo {
// GOFF specific sections.
MCSection *getPPA1Section() const { return PPA1Section; }
MCSection *getPPA2Section() const { return PPA2Section; }
MCSection *getPPA2ListSection() const { return PPA2ListSection; }
MCSection *getADASection() const { return ADASection; }
MCSection *getIDRLSection() const { return IDRLSection; }

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5 changes: 5 additions & 0 deletions llvm/lib/MC/MCObjectFileInfo.cpp
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Expand Up @@ -554,6 +554,11 @@ void MCObjectFileInfo::initGOFFMCObjectFileInfo(const Triple &T) {
PPA2Section =
Ctx->getGOFFSection(".ppa2", SectionKind::getMetadata(), TextSection,
MCConstantExpr::create(GOFF::SK_PPA2, *Ctx));

PPA2ListSection =
Ctx->getGOFFSection(".ppa2list", SectionKind::getData(),
nullptr, nullptr);

ADASection =
Ctx->getGOFFSection(".ada", SectionKind::getData(), nullptr, nullptr);
IDRLSection =
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3 changes: 3 additions & 0 deletions llvm/lib/Target/SystemZ/SystemZAsmPrinter.cpp
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Expand Up @@ -1531,6 +1531,9 @@ void SystemZAsmPrinter::emitPPA2(Module &M) {

OutStreamer->emitInt16(0x0000); // Service level string length.

// The binder requires that the offset to the PPA2 be emitted in a different,
// specially-named section.
OutStreamer->switchSection(getObjFileLowering().getPPA2ListSection());
// Emit 8 byte alignment.
// Emit pointer to PPA2 label.
OutStreamer->AddComment("A(PPA2-CELQSTRT)");
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