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-rw-r--r--llvm/lib/MC/ELFObjectWriter.cpp36
1 files changed, 22 insertions, 14 deletions
diff --git a/llvm/lib/MC/ELFObjectWriter.cpp b/llvm/lib/MC/ELFObjectWriter.cpp
index 0b8f752d076..a32d54a5f1d 100644
--- a/llvm/lib/MC/ELFObjectWriter.cpp
+++ b/llvm/lib/MC/ELFObjectWriter.cpp
@@ -250,6 +250,8 @@ class ELFObjectWriter : public MCObjectWriter {
void
createSectionHeaderStringTable(MCAssembler &Asm,
std::vector<const MCSectionELF *> &Sections);
+ void createStringTable(MCAssembler &Asm,
+ std::vector<const MCSectionELF *> &Sections);
void CreateMetadataSections(MCAssembler &Asm, const MCAsmLayout &Layout,
std::vector<const MCSectionELF *> &Sections);
@@ -1388,6 +1390,17 @@ void ELFObjectWriter::createSectionHeaderStringTable(
OS << ShStrTabBuilder.data();
}
+void ELFObjectWriter::createStringTable(
+ MCAssembler &Asm, std::vector<const MCSectionELF *> &Sections) {
+ MCContext &Ctx = Asm.getContext();
+ const MCSectionELF *StrtabSection =
+ Ctx.getELFSection(".strtab", ELF::SHT_STRTAB, 0);
+ Asm.getOrCreateSectionData(*StrtabSection);
+ Sections.push_back(StrtabSection);
+ StringTableIndex = Sections.size();
+ OS << StrTabBuilder.data();
+}
+
void ELFObjectWriter::CreateMetadataSections(
MCAssembler &Asm, const MCAsmLayout &Layout,
std::vector<const MCSectionELF *> &Sections) {
@@ -1396,6 +1409,7 @@ void ELFObjectWriter::CreateMetadataSections(
unsigned EntrySize = is64Bit() ? ELF::SYMENTRY_SIZE64 : ELF::SYMENTRY_SIZE32;
+ // Symbol table
const MCSectionELF *SymtabSection =
Ctx.getELFSection(".symtab", ELF::SHT_SYMTAB, 0,
EntrySize, "");
@@ -1403,21 +1417,8 @@ void ELFObjectWriter::CreateMetadataSections(
SymtabSD.setAlignment(is64Bit() ? 8 : 4);
SymbolTableIndex = Sections.size() + 1;
Sections.push_back(SymtabSection);
-
- const MCSectionELF *StrtabSection;
- StrtabSection = Ctx.getELFSection(".strtab", ELF::SHT_STRTAB, 0);
- MCSectionData &StrtabSD = Asm.getOrCreateSectionData(*StrtabSection);
- StrtabSD.setAlignment(1);
- StringTableIndex = Sections.size() + 1;
- Sections.push_back(StrtabSection);
-
- // Symbol table
F = new MCDataFragment(&SymtabSD);
WriteSymbolTable(F, Asm, Layout, Sections);
-
- F = new MCDataFragment(&StrtabSD);
- F->getContents().append(StrTabBuilder.data().begin(),
- StrTabBuilder.data().end());
}
void ELFObjectWriter::createIndexedSections(
@@ -1576,7 +1577,7 @@ void ELFObjectWriter::WriteObject(MCAssembler &Asm,
CreateMetadataSections(Asm, Layout, Sections);
- unsigned NumSections = Asm.size() + 1;
+ unsigned NumSections = Asm.size() + 2;
SectionOffsetsTy SectionOffsets;
// Write out the ELF header ...
@@ -1598,6 +1599,13 @@ void ELFObjectWriter::WriteObject(MCAssembler &Asm,
{
uint64_t SecStart = OS.tell();
+ createStringTable(Asm, Sections);
+ uint64_t SecEnd = OS.tell();
+ SectionOffsets.push_back(std::make_pair(SecStart, SecEnd));
+ }
+
+ {
+ uint64_t SecStart = OS.tell();
createSectionHeaderStringTable(Asm, Sections);
uint64_t SecEnd = OS.tell();
SectionOffsets[0] = std::make_pair(SecStart, SecEnd);
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