MCDwarfFrameInfo *getCurrentFrameInfo();
void EnsureValidFrame();
- /// CurSectionStack - This is stack of CurSection values saved by
- /// PushSection.
- SmallVector<const MCSection *, 4> CurSectionStack;
-
- /// PrevSectionStack - This is stack of PrevSection values saved by
- /// PushSection.
- SmallVector<const MCSection *, 4> PrevSectionStack;
+ /// SectionStack - This is stack of current and previous section
+ /// values saved by PushSection.
+ SmallVector<std::pair<const MCSection *,
+ const MCSection *>, 4> SectionStack;
protected:
MCStreamer(MCContext &Ctx);
/// getCurrentSection - Return the current section that the streamer is
/// emitting code to.
const MCSection *getCurrentSection() const {
- if (!CurSectionStack.empty())
- return CurSectionStack.back();
+ if (!SectionStack.empty())
+ return SectionStack.back().first;
return NULL;
}
/// getPreviousSection - Return the previous section that the streamer is
/// emitting code to.
const MCSection *getPreviousSection() const {
- if (!PrevSectionStack.empty())
- return PrevSectionStack.back();
+ if (!SectionStack.empty())
+ return SectionStack.back().second;
return NULL;
}
/// pushSection - Save the current and previous section on the
/// section stack.
void PushSection() {
- PrevSectionStack.push_back(getPreviousSection());
- CurSectionStack.push_back(getCurrentSection());
+ SectionStack.push_back(std::make_pair(getCurrentSection(),
+ getPreviousSection()));
}
/// popSection - Restore the current and previous section from
///
/// Returns false if the stack was empty.
bool PopSection() {
- if (PrevSectionStack.size() <= 1)
+ if (SectionStack.size() <= 1)
return false;
- assert(CurSectionStack.size() > 1);
- PrevSectionStack.pop_back();
- const MCSection *oldSection = CurSectionStack.pop_back_val();
- const MCSection *curSection = CurSectionStack.back();
+ const MCSection *oldSection = SectionStack.pop_back_val().first;
+ const MCSection *curSection = SectionStack.back().first;
if (oldSection != curSection)
ChangeSection(curSection);
/// This corresponds to assembler directives like .section, .text, etc.
void SwitchSection(const MCSection *Section) {
assert(Section && "Cannot switch to a null section!");
- const MCSection *curSection = CurSectionStack.back();
- PrevSectionStack.back() = curSection;
+ const MCSection *curSection = SectionStack.back().first;
+ SectionStack.back().second = curSection;
if (Section != curSection) {
- CurSectionStack.back() = Section;
+ SectionStack.back().first = Section;
ChangeSection(Section);
}
}