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sink the 'name' and 'isdirective' state out of MCSection into its derived classes.

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This totally optimizes PIC16 sections by not having an 'isdirective' bit anymore!! ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78517 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-08-08 23:39:42 +00:00
parent 8e9ece75db
commit 93b6db3de9
13 changed files with 167 additions and 116 deletions
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20
lib/CodeGen/ELFWriter.cpp
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@ -179,21 +179,21 @@ void ELFWriter::addExternalSymbol(const char *External) {
// getCtorSection - Get the static constructor section
ELFSection &ELFWriter::getCtorSection() {
const MCSection *Ctor = TLOF.getStaticCtorSection();
return getSection(Ctor->getName(), ELFSection::SHT_PROGBITS,
return getSection(((MCSectionELF*)Ctor)->getName(), ELFSection::SHT_PROGBITS,
getElfSectionFlags(Ctor->getKind()));
}
// getDtorSection - Get the static destructor section
ELFSection &ELFWriter::getDtorSection() {
const MCSection *Dtor = TLOF.getStaticDtorSection();
return getSection(Dtor->getName(), ELFSection::SHT_PROGBITS,
return getSection(((MCSectionELF*)Dtor)->getName(), ELFSection::SHT_PROGBITS,
getElfSectionFlags(Dtor->getKind()));
}
// getTextSection - Get the text section for the specified function
ELFSection &ELFWriter::getTextSection(Function *F) {
const MCSection *Text = TLOF.SectionForGlobal(F, Mang, TM);
return getSection(Text->getName(), ELFSection::SHT_PROGBITS,
return getSection(((MCSectionELF*)Text)->getName(), ELFSection::SHT_PROGBITS,
getElfSectionFlags(Text->getKind()));
}
@ -201,7 +201,7 @@ ELFSection &ELFWriter::getTextSection(Function *F) {
// emitting jump tables. TODO: add PIC support
ELFSection &ELFWriter::getJumpTableSection() {
const MCSection *JT = TLOF.getSectionForConstant(SectionKind::getReadOnly());
return getSection(JT->getName(),
return getSection(((MCSectionELF*)JT)->getName(),
ELFSection::SHT_PROGBITS,
getElfSectionFlags(JT->getKind()),
TM.getTargetData()->getPointerABIAlignment());
@ -226,7 +226,8 @@ ELFSection &ELFWriter::getConstantPoolSection(MachineConstantPoolEntry &CPE) {
}
}
return getSection(TLOF.getSectionForConstant(Kind)->getName(),
const MCSection *CPSect = TLOF.getSectionForConstant(Kind);
return getSection(((MCSectionELF*)CPSect)->getName(),
ELFSection::SHT_PROGBITS,
getElfSectionFlags(Kind),
CPE.getAlignment());
@ -369,7 +370,8 @@ void ELFWriter::EmitGlobal(const GlobalValue *GV) {
if (isELFCommonSym(GVar)) {
GblSym->SectionIdx = ELFSection::SHN_COMMON;
getSection(S->getName(), ELFSection::SHT_NOBITS, SectionFlags, 1);
getSection(((MCSectionELF*)S)->getName(),
ELFSection::SHT_NOBITS, SectionFlags, 1);
// A new linkonce section is created for each global in the
// common section, the default alignment is 1 and the symbol
@ -378,7 +380,8 @@ void ELFWriter::EmitGlobal(const GlobalValue *GV) {
} else if (isELFBssSym(GVar, Kind)) {
ELFSection &ES =
getSection(S->getName(), ELFSection::SHT_NOBITS, SectionFlags);
getSection(((MCSectionELF*)S)->getName(), ELFSection::SHT_NOBITS,
SectionFlags);
GblSym->SectionIdx = ES.SectionIdx;
// Update the size with alignment and the next object can
@ -393,7 +396,8 @@ void ELFWriter::EmitGlobal(const GlobalValue *GV) {
} else { // The symbol must go to some kind of data section
ELFSection &ES =
getSection(S->getName(), ELFSection::SHT_PROGBITS, SectionFlags);
getSection(((MCSectionELF*)S)->getName(), ELFSection::SHT_PROGBITS,
SectionFlags);
GblSym->SectionIdx = ES.SectionIdx;
// GblSym->Value should contain the symbol offset inside the section,