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Refactor padding writing into a helper function.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239174 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-06-05 18:21:00 +00:00
parent fffd691439
commit aa4466db93
1 changed files with 12 additions and 12 deletions
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24
lib/MC/ELFObjectWriter.cpp
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@ -133,6 +133,8 @@ class ELFObjectWriter : public MCObjectWriter {
return TargetObjectWriter->GetRelocType(Target, Fixup, IsPCRel);
}
void align(unsigned Alignment);
public:
ELFObjectWriter(MCELFObjectTargetWriter *MOTW, raw_pwrite_stream &OS,
bool IsLittleEndian)
@ -231,6 +233,11 @@ class ELFObjectWriter : public MCObjectWriter {
};
}
void ELFObjectWriter::align(unsigned Alignment) {
uint64_t Padding = OffsetToAlignment(OS.tell(), Alignment);
WriteZeros(Padding);
}
unsigned ELFObjectWriter::addToSectionTable(const MCSectionELF *Sec) {
SectionTable.push_back(Sec);
StrTabBuilder.add(Sec->getSectionName());
@ -758,10 +765,7 @@ void ELFObjectWriter::computeSymbolTable(
SymtabSection->setAlignment(is64Bit() ? 8 : 4);
SymbolTableIndex = addToSectionTable(SymtabSection);
uint64_t Padding =
OffsetToAlignment(OS.tell(), SymtabSection->getAlignment());
WriteZeros(Padding);
align(SymtabSection->getAlignment());
uint64_t SecStart = OS.tell();
// The first entry is the undefined symbol entry.
@ -1196,8 +1200,7 @@ void ELFObjectWriter::writeObject(MCAssembler &Asm,
for (MCSection &Sec : Asm) {
MCSectionELF &Section = static_cast<MCSectionELF &>(Sec);
uint64_t Padding = OffsetToAlignment(OS.tell(), Section.getAlignment());
WriteZeros(Padding);
align(Section.getAlignment());
// Remember the offset into the file for this section.
uint64_t SecStart = OS.tell();
@ -1234,8 +1237,7 @@ void ELFObjectWriter::writeObject(MCAssembler &Asm,
}
for (MCSectionELF *Group : Groups) {
uint64_t Padding = OffsetToAlignment(OS.tell(), Group->getAlignment());
WriteZeros(Padding);
align(Group->getAlignment());
// Remember the offset into the file for this section.
uint64_t SecStart = OS.tell();
@ -1256,8 +1258,7 @@ void ELFObjectWriter::writeObject(MCAssembler &Asm,
computeSymbolTable(Asm, Layout, SectionIndexMap, RevGroupMap, SectionOffsets);
for (MCSectionELF *RelSection : Relocations) {
uint64_t Padding = OffsetToAlignment(OS.tell(), RelSection->getAlignment());
WriteZeros(Padding);
align(RelSection->getAlignment());
// Remember the offset into the file for this section.
uint64_t SecStart = OS.tell();
@ -1276,8 +1277,7 @@ void ELFObjectWriter::writeObject(MCAssembler &Asm,
}
uint64_t NaturalAlignment = is64Bit() ? 8 : 4;
uint64_t Padding = OffsetToAlignment(OS.tell(), NaturalAlignment);
WriteZeros(Padding);
align(NaturalAlignment);
const unsigned SectionHeaderOffset = OS.tell();