return S;
}
-bool TargetLoweringObjectFileMachO::isSectionAtomizableBySymbols(
- const MCSection &Section) const {
- const MCSectionMachO &SMO = static_cast<const MCSectionMachO&>(Section);
-
- // Sections holding 1 byte strings are atomized based on the data
- // they contain.
- // Sections holding 2 byte strings require symbols in order to be
- // atomized.
- // There is no dedicated section for 4 byte strings.
- if (SMO.getKind().isMergeable1ByteCString())
- return false;
-
- if (SMO.getSegmentName() == "__TEXT" &&
- SMO.getSectionName() == "__objc_classname" &&
- SMO.getType() == MachO::S_CSTRING_LITERALS)
- return false;
-
- if (SMO.getSegmentName() == "__TEXT" &&
- SMO.getSectionName() == "__objc_methname" &&
- SMO.getType() == MachO::S_CSTRING_LITERALS)
- return false;
-
- if (SMO.getSegmentName() == "__TEXT" &&
- SMO.getSectionName() == "__objc_methtype" &&
- SMO.getType() == MachO::S_CSTRING_LITERALS)
- return false;
-
- if (SMO.getSegmentName() == "__DATA" &&
- SMO.getSectionName() == "__cfstring")
- return false;
-
- // no_dead_strip sections are not atomized in practice.
- if (SMO.hasAttribute(MachO::S_ATTR_NO_DEAD_STRIP))
- return false;
-
- switch (SMO.getType()) {
- default:
- return true;
-
- // These sections are atomized at the element boundaries without using
- // symbols.
- case MachO::S_4BYTE_LITERALS:
- case MachO::S_8BYTE_LITERALS:
- case MachO::S_16BYTE_LITERALS:
- case MachO::S_LITERAL_POINTERS:
- case MachO::S_NON_LAZY_SYMBOL_POINTERS:
- case MachO::S_LAZY_SYMBOL_POINTERS:
- case MachO::S_MOD_INIT_FUNC_POINTERS:
- case MachO::S_MOD_TERM_FUNC_POINTERS:
- case MachO::S_INTERPOSING:
- return false;
- }
-}
-
const MCSection *TargetLoweringObjectFileMachO::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler &Mang, const TargetMachine &TM) const {