Move bit operations to a new file, ELF/Bits.h.

llvm-svn: 316707

2 files changed, 36 insertions, 13 deletions

diff --git a/lld/ELF/Bits.h b/lld/ELF/Bits.h
new file mode 100644
index 00000000000..13d40322265
--- /dev/null
+++ b/lld/ELF/Bits.h
@@ -0,0 +1,35 @@
+//===- Bits.h ---------------------------------------------------*- C++ -*-===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_ELF_BITS_H
+#define LLD_ELF_BITS_H
+
+#include "Config.h"
+#include "llvm/Support/Endian.h"
+
+namespace lld {
+namespace elf {
+
+inline uint64_t readUint(uint8_t *Buf) {
+  if (Config->Is64)
+    return llvm::support::endian::read64(Buf, Config->Endianness);
+  return llvm::support::endian::read32(Buf, Config->Endianness);
+}
+
+inline void writeUint(uint8_t *Buf, uint64_t Val) {
+  if (Config->Is64)
+    llvm::support::endian::write64(Buf, Val, Config->Endianness);
+  else
+    llvm::support::endian::write32(Buf, Val, Config->Endianness);
+}
+
+} // namespace elf
+} // namespace lld
+
+#endif
diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
index a6bf9f9b498..74b40858882 100644
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -15,6 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "SyntheticSections.h"
+#include "Bits.h"
 #include "Config.h"
 #include "InputFiles.h"
 #include "LinkerScript.h"
@@ -854,19 +855,6 @@ bool MipsGotSection::empty() const {
 
 uint64_t MipsGotSection::getGp() const { return ElfSym::MipsGp->getVA(0); }
 
-static uint64_t readUint(uint8_t *Buf) {
-  if (Config->Is64)
-    return read64(Buf, Config->Endianness);
-  return read32(Buf, Config->Endianness);
-}
-
-static void writeUint(uint8_t *Buf, uint64_t Val) {
-  if (Config->Is64)
-    write64(Buf, Val, Config->Endianness);
-  else
-    write32(Buf, Val, Config->Endianness);
-}
-
 void MipsGotSection::writeTo(uint8_t *Buf) {
   // Set the MSB of the second GOT slot. This is not required by any
   // MIPS ABI documentation, though.