Convert Out::InterpSection to In::InterpSection.

Differential Revision: https://reviews.llvm.org/D26225

llvm-svn: 285851

1 files changed, 17 insertions, 0 deletions

diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
index 5a53eb181b8..6275170b7e8 100644
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -18,6 +18,7 @@
 #include "Config.h"
 #include "Error.h"
 #include "InputFiles.h"
+#include "Memory.h"
 #include "OutputSections.h"
 #include "Strings.h"
 
@@ -36,6 +37,17 @@ using namespace llvm::support::endian;
 using namespace lld;
 using namespace lld::elf;
 
+static ArrayRef<uint8_t> createInterp() {
+  // StringSaver guarantees that the returned string ends with '\0'.
+  StringRef S = Saver.save(Config->DynamicLinker);
+  return {(uint8_t *)S.data(), S.size() + 1};
+}
+
+template <class ELFT>
+InterpSection<ELFT>::InterpSection()
+    : InputSection<ELFT>(SHF_ALLOC, SHT_PROGBITS, 1, createInterp(),
+                         ".interp") {}
+
 template <class ELFT>
 BuildIdSection<ELFT>::BuildIdSection(size_t HashSize)
     : InputSection<ELFT>(SHF_ALLOC, SHT_NOTE, 1, ArrayRef<uint8_t>(),
@@ -95,6 +107,11 @@ void BuildIdHexstring<ELFT>::writeBuildId(MutableArrayRef<uint8_t> Buf) {
          Config->BuildIdVector.size());
 }
 
+template class elf::InterpSection<ELF32LE>;
+template class elf::InterpSection<ELF32BE>;
+template class elf::InterpSection<ELF64LE>;
+template class elf::InterpSection<ELF64BE>;
+
 template class elf::BuildIdSection<ELF32LE>;
 template class elf::BuildIdSection<ELF32BE>;
 template class elf::BuildIdSection<ELF64LE>;