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Use OutStreamer.SwitchSection instead of writing out textual section directives.

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Add a new TargetLoweringObjectFileMachO::getConstTextCoalSection method to
get access to that section.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83178 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-09-30 22:25:37 +00:00
parent 812209a58c
commit 29e066965f
2 changed files with 25 additions and 8 deletions
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8
include/llvm/Target/TargetLoweringObjectFile.h
View File

@ -301,11 +301,17 @@ public:
SectionKind K) const;
/// getTextCoalSection - Return the "__TEXT,__textcoal_nt" section we put weak
/// symbols into.
/// text symbols into.
const MCSection *getTextCoalSection() const {
return TextCoalSection;
}
/// getConstTextCoalSection - Return the "__TEXT,__const_coal" section
/// we put weak read-only symbols into.
const MCSection *getConstTextCoalSection() const {
return ConstTextCoalSection;
}
/// getLazySymbolPointerSection - Return the section corresponding to
/// the .lazy_symbol_pointer directive.
const MCSection *getLazySymbolPointerSection() const {

25
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
View File

@ -1053,13 +1053,24 @@ void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
// avoid out-of-range branches that are due a fundamental limitation of
// the way symbol offsets are encoded with the current Darwin ARM
// relocations.
O << "\t.section __TEXT,__text,regular\n"
<< "\t.section __TEXT,__textcoal_nt,coalesced\n"
<< "\t.section __TEXT,__const_coal,coalesced\n";
if (RelocM == Reloc::DynamicNoPIC)
O << "\t.section __TEXT,__symbol_stub4,symbol_stubs,none,12\n";
else
O << "\t.section __TEXT,__picsymbolstub4,symbol_stubs,none,16\n";
TargetLoweringObjectFileMachO &TLOFMacho =
static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
OutStreamer.SwitchSection(TLOFMacho.getTextSection());
OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection());
if (RelocM == Reloc::DynamicNoPIC) {
const MCSection *sect =
TLOFMacho.getMachOSection("__TEXT", "__symbol_stub4",
MCSectionMachO::S_SYMBOL_STUBS,
12, SectionKind::getText());
OutStreamer.SwitchSection(sect);
} else {
const MCSection *sect =
TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub4",
MCSectionMachO::S_SYMBOL_STUBS,
16, SectionKind::getText());
OutStreamer.SwitchSection(sect);
}
}
}