add hexagon scatter bits and split hexgontargethandler to hexagonrelocationhander

llvm-svn: 174148

1 files changed, 0 insertions, 91 deletions

diff --git a/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.cpp b/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.cpp
index 4eec78aa610..5118877d2d8 100644
--- a/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.cpp
+++ b/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.cpp
@@ -9,103 +9,12 @@
 
 #include "HexagonTargetHandler.h"
 #include "HexagonTargetInfo.h"
-#include "lld/ReaderWriter/RelocationHelperFunctions.h"
 
 using namespace lld;
 using namespace elf;
 
 using namespace llvm::ELF;
 
-namespace {
-/// \brief Word32_B22: 0x01ff3ffe : (S + A - P) >> 2 : Verify
-int relocB22PCREL(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
-  int32_t result = (uint32_t)(((S + A) - P)>>2);
-  if ((result < 0x200000) && (result > -0x200000)) {
-    result = lld::scatterBits<int32_t>(result, 0x01ff3ffe);
-    *reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
-            (uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
-    return 0;
-  }
-  return 1;
-}
-
-/// \brief Word32_B15: 0x00df20fe : (S + A - P) >> 2 : Verify
-int relocB15PCREL(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
-  int32_t result = (uint32_t)(((S + A) - P)>>2);
-  if ((result < 0x8000) && (result > -0x8000)) {
-    result = lld::scatterBits<int32_t>(result, 0x00df20fe);
-    *reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
-            (uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
-    return 0;
-  }
-  return 1;
-}
-
-/// \brief Word32_LO: 0x00c03fff : (S + A) : Truncate
-int relocLO16(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
-  uint32_t result = (uint32_t)(S + A);
-  result = lld::scatterBits<int32_t>(result, 0x00c03fff);
-  *reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
-            (uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
-  return 0;
-}
-
-/// \brief Word32_LO: 0x00c03fff : (S + A) >> 16 : Truncate
-int relocHI16(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
-  uint32_t result = (uint32_t)((S + A)>>16);
-  result = lld::scatterBits<int32_t>(result, 0x00c03fff);
-  *reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
-            (uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
-  return 0;
-}
-
-/// \brief Word32: 0xffffffff : (S + A) : Truncate
-int reloc32(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
-  uint32_t result = (uint32_t)(S + A);
-  *reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
-            (uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
-  return 0;
-}
-} // end anon namespace
-
-ErrorOr<void> HexagonTargetRelocationHandler::applyRelocation(
-    ELFWriter &writer, llvm::FileOutputBuffer &buf, const AtomLayout &atom,
-    const Reference &ref) const {
-  uint8_t *atomContent = buf.getBufferStart() + atom._fileOffset;
-  uint8_t *location = atomContent + ref.offsetInAtom();
-  uint64_t targetVAddress = writer.addressOfAtom(ref.target());
-  uint64_t relocVAddress = atom._virtualAddr + ref.offsetInAtom();
-
-  switch (ref.kind()) {
-  case R_HEX_B22_PCREL:
-    relocB22PCREL(location, relocVAddress, targetVAddress, ref.addend());
-    break;
-  case R_HEX_B15_PCREL:
-    relocB15PCREL(location, relocVAddress, targetVAddress, ref.addend());
-    break;
-  case R_HEX_LO16:
-    relocLO16(location, relocVAddress, targetVAddress, ref.addend());
-    break;
-  case R_HEX_HI16:
-    relocHI16(location, relocVAddress, targetVAddress, ref.addend());
-    break;
-  case R_HEX_32:
-    reloc32(location, relocVAddress, targetVAddress, ref.addend());
-    break;
-  default: {
-    std::string str;
-    llvm::raw_string_ostream s(str);
-    auto name = _targetInfo.stringFromRelocKind(ref.kind());
-    s << "Unhandled relocation: "
-      << (name ? *name : "<unknown>" ) << " (" << ref.kind() << ")";
-    s.flush();
-    llvm_unreachable(str.c_str());
-  }
-  }
-
-  return error_code::success();
-}
-
 HexagonTargetHandler::HexagonTargetHandler(HexagonTargetInfo &targetInfo)
     : DefaultTargetHandler(targetInfo), _relocationHandler(targetInfo),
       _targetLayout(targetInfo) {