SVMProgramSection SVMMemoryLayout::getSectionKind(const MCSectionData *SD) const
{
/*
* Categorize a MCSection as one of the several predefined
* SVMProgramSection types. This determines which program section
* we'll lump it in with, or whether it'll be included as debug-only.
*
* This value can be specifically overridden with setSectionKind().
* If we have no override, we calculate the proper section kind
* using the section's name, size, type, and other data.
*/
SectionKindOverrides_t::const_iterator it = SectionKindOverrides.find(SD);
if (it != SectionKindOverrides.end())
return it->second;
const MCSection *S = &SD->getSection();
SectionKind k = S->getKind();
const MCSectionELF *SE = dyn_cast<MCSectionELF>(S);
assert(SE);
StringRef Name = SE->getSectionName();
if (Name == ".metadata")
return SPS_META;
if (Name.startswith(".debug_"))
return SPS_DEBUG;
if (k.isBSS())
return SPS_BSS;
if (SE->getType() == ELF::SHT_PROGBITS) {
if (k.isReadOnly() || k.isText())
return SPS_RO;
if (k.isGlobalWriteableData())
return SPS_RW_PLAIN;
}
return SPS_DEBUG;
}
