hexagon targetinfo changes for getting the relocation kind from string and vice versa

llvm-svn: 173942

2 files changed, 220 insertions, 0 deletions

diff --git a/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.cpp b/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.cpp
index e69de29bb2d..014943d0d7b 100644
--- a/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.cpp
+++ b/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.cpp
@@ -0,0 +1,217 @@
+//===- lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.cpp -----------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "HexagonTargetInfo.h"
+
+#include "lld/Core/File.h"
+#include "lld/Core/Pass.h"
+#include "lld/Core/PassManager.h"
+#include "lld/ReaderWriter/Simple.h"
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/StringSwitch.h"
+
+using namespace lld;
+
+#define LLD_CASE(name) .Case(#name, llvm::ELF::name)
+
+ErrorOr<int32_t> elf::HexagonTargetInfo::relocKindFromString(
+    StringRef str) const {
+  int32_t ret = llvm::StringSwitch<int32_t>(str)
+        LLD_CASE(R_HEX_NONE)
+        LLD_CASE(R_HEX_B22_PCREL)
+        LLD_CASE(R_HEX_B15_PCREL)
+        LLD_CASE(R_HEX_B7_PCREL)
+        LLD_CASE(R_HEX_LO16)
+        LLD_CASE(R_HEX_HI16)
+        LLD_CASE(R_HEX_32)
+        LLD_CASE(R_HEX_16)
+        LLD_CASE(R_HEX_8)
+        LLD_CASE(R_HEX_GPREL16_0)
+        LLD_CASE(R_HEX_GPREL16_1)
+        LLD_CASE(R_HEX_GPREL16_2)
+        LLD_CASE(R_HEX_GPREL16_3)
+        LLD_CASE(R_HEX_HL16)
+        LLD_CASE(R_HEX_B13_PCREL)
+        LLD_CASE(R_HEX_B9_PCREL)
+        LLD_CASE(R_HEX_B32_PCREL_X)
+        LLD_CASE(R_HEX_32_6_X)
+        LLD_CASE(R_HEX_B22_PCREL_X)
+        LLD_CASE(R_HEX_B15_PCREL_X)
+        LLD_CASE(R_HEX_B13_PCREL_X)
+        LLD_CASE(R_HEX_B9_PCREL_X)
+        LLD_CASE(R_HEX_B7_PCREL_X)
+        LLD_CASE(R_HEX_16_X)
+        LLD_CASE(R_HEX_12_X)
+        LLD_CASE(R_HEX_11_X)
+        LLD_CASE(R_HEX_10_X)
+        LLD_CASE(R_HEX_9_X)
+        LLD_CASE(R_HEX_8_X)
+        LLD_CASE(R_HEX_7_X)
+        LLD_CASE(R_HEX_6_X)
+        LLD_CASE(R_HEX_32_PCREL)
+        LLD_CASE(R_HEX_COPY)
+        LLD_CASE(R_HEX_GLOB_DAT)
+        LLD_CASE(R_HEX_JMP_SLOT)
+        LLD_CASE(R_HEX_RELATIVE)
+        LLD_CASE(R_HEX_PLT_B22_PCREL)
+        LLD_CASE(R_HEX_GOTREL_LO16)
+        LLD_CASE(R_HEX_GOTREL_HI16)
+        LLD_CASE(R_HEX_GOTREL_32)
+        LLD_CASE(R_HEX_GOT_LO16)
+        LLD_CASE(R_HEX_GOT_HI16)
+        LLD_CASE(R_HEX_GOT_32)
+        LLD_CASE(R_HEX_GOT_16)
+        LLD_CASE(R_HEX_DTPMOD_32)
+        LLD_CASE(R_HEX_DTPREL_LO16)
+        LLD_CASE(R_HEX_DTPREL_HI16)
+        LLD_CASE(R_HEX_DTPREL_32)
+        LLD_CASE(R_HEX_DTPREL_16)
+        LLD_CASE(R_HEX_GD_PLT_B22_PCREL)
+        LLD_CASE(R_HEX_GD_GOT_LO16)
+        LLD_CASE(R_HEX_GD_GOT_HI16)
+        LLD_CASE(R_HEX_GD_GOT_32)
+        LLD_CASE(R_HEX_GD_GOT_16)
+        LLD_CASE(R_HEX_IE_LO16)
+        LLD_CASE(R_HEX_IE_HI16)
+        LLD_CASE(R_HEX_IE_32)
+        LLD_CASE(R_HEX_IE_GOT_LO16)
+        LLD_CASE(R_HEX_IE_GOT_HI16)
+        LLD_CASE(R_HEX_IE_GOT_32)
+        LLD_CASE(R_HEX_IE_GOT_16)
+        LLD_CASE(R_HEX_TPREL_LO16)
+        LLD_CASE(R_HEX_TPREL_HI16)
+        LLD_CASE(R_HEX_TPREL_32)
+        LLD_CASE(R_HEX_TPREL_16)
+        LLD_CASE(R_HEX_6_PCREL_X)
+        LLD_CASE(R_HEX_GOTREL_32_6_X)
+        LLD_CASE(R_HEX_GOTREL_16_X)
+        LLD_CASE(R_HEX_GOTREL_11_X)
+        LLD_CASE(R_HEX_GOT_32_6_X)
+        LLD_CASE(R_HEX_GOT_16_X)
+        LLD_CASE(R_HEX_GOT_11_X)
+        LLD_CASE(R_HEX_DTPREL_32_6_X)
+        LLD_CASE(R_HEX_DTPREL_16_X)
+        LLD_CASE(R_HEX_DTPREL_11_X)
+        LLD_CASE(R_HEX_GD_GOT_32_6_X)
+        LLD_CASE(R_HEX_GD_GOT_16_X)
+        LLD_CASE(R_HEX_GD_GOT_11_X)
+        LLD_CASE(R_HEX_IE_32_6_X)
+        LLD_CASE(R_HEX_IE_16_X)
+        LLD_CASE(R_HEX_IE_GOT_32_6_X)
+        LLD_CASE(R_HEX_IE_GOT_16_X)
+        LLD_CASE(R_HEX_IE_GOT_11_X)
+        LLD_CASE(R_HEX_TPREL_32_6_X)
+        LLD_CASE(R_HEX_TPREL_16_X)
+        LLD_CASE(R_HEX_TPREL_11_X)
+    .Default(-1);
+
+  if (ret == -1)
+    return make_error_code(yaml_reader_error::illegal_value);
+  return ret;
+}
+
+#undef LLD_CASE
+
+#define LLD_CASE(name) case llvm::ELF::name: return std::string(#name);
+
+ErrorOr<std::string> elf::HexagonTargetInfo::stringFromRelocKind(
+    int32_t kind) const {
+  switch (kind) {
+  LLD_CASE(R_HEX_NONE)
+  LLD_CASE(R_HEX_B22_PCREL)
+  LLD_CASE(R_HEX_B15_PCREL)
+  LLD_CASE(R_HEX_B7_PCREL)
+  LLD_CASE(R_HEX_LO16)
+  LLD_CASE(R_HEX_HI16)
+  LLD_CASE(R_HEX_32)
+  LLD_CASE(R_HEX_16)
+  LLD_CASE(R_HEX_8)
+  LLD_CASE(R_HEX_GPREL16_0)
+  LLD_CASE(R_HEX_GPREL16_1)
+  LLD_CASE(R_HEX_GPREL16_2)
+  LLD_CASE(R_HEX_GPREL16_3)
+  LLD_CASE(R_HEX_HL16)
+  LLD_CASE(R_HEX_B13_PCREL)
+  LLD_CASE(R_HEX_B9_PCREL)
+  LLD_CASE(R_HEX_B32_PCREL_X)
+  LLD_CASE(R_HEX_32_6_X)
+  LLD_CASE(R_HEX_B22_PCREL_X)
+  LLD_CASE(R_HEX_B15_PCREL_X)
+  LLD_CASE(R_HEX_B13_PCREL_X)
+  LLD_CASE(R_HEX_B9_PCREL_X)
+  LLD_CASE(R_HEX_B7_PCREL_X)
+  LLD_CASE(R_HEX_16_X)
+  LLD_CASE(R_HEX_12_X)
+  LLD_CASE(R_HEX_11_X)
+  LLD_CASE(R_HEX_10_X)
+  LLD_CASE(R_HEX_9_X)
+  LLD_CASE(R_HEX_8_X)
+  LLD_CASE(R_HEX_7_X)
+  LLD_CASE(R_HEX_6_X)
+  LLD_CASE(R_HEX_32_PCREL)
+  LLD_CASE(R_HEX_COPY)
+  LLD_CASE(R_HEX_GLOB_DAT)
+  LLD_CASE(R_HEX_JMP_SLOT)
+  LLD_CASE(R_HEX_RELATIVE)
+  LLD_CASE(R_HEX_PLT_B22_PCREL)
+  LLD_CASE(R_HEX_GOTREL_LO16)
+  LLD_CASE(R_HEX_GOTREL_HI16)
+  LLD_CASE(R_HEX_GOTREL_32)
+  LLD_CASE(R_HEX_GOT_LO16)
+  LLD_CASE(R_HEX_GOT_HI16)
+  LLD_CASE(R_HEX_GOT_32)
+  LLD_CASE(R_HEX_GOT_16)
+  LLD_CASE(R_HEX_DTPMOD_32)
+  LLD_CASE(R_HEX_DTPREL_LO16)
+  LLD_CASE(R_HEX_DTPREL_HI16)
+  LLD_CASE(R_HEX_DTPREL_32)
+  LLD_CASE(R_HEX_DTPREL_16)
+  LLD_CASE(R_HEX_GD_PLT_B22_PCREL)
+  LLD_CASE(R_HEX_GD_GOT_LO16)
+  LLD_CASE(R_HEX_GD_GOT_HI16)
+  LLD_CASE(R_HEX_GD_GOT_32)
+  LLD_CASE(R_HEX_GD_GOT_16)
+  LLD_CASE(R_HEX_IE_LO16)
+  LLD_CASE(R_HEX_IE_HI16)
+  LLD_CASE(R_HEX_IE_32)
+  LLD_CASE(R_HEX_IE_GOT_LO16)
+  LLD_CASE(R_HEX_IE_GOT_HI16)
+  LLD_CASE(R_HEX_IE_GOT_32)
+  LLD_CASE(R_HEX_IE_GOT_16)
+  LLD_CASE(R_HEX_TPREL_LO16)
+  LLD_CASE(R_HEX_TPREL_HI16)
+  LLD_CASE(R_HEX_TPREL_32)
+  LLD_CASE(R_HEX_TPREL_16)
+  LLD_CASE(R_HEX_6_PCREL_X)
+  LLD_CASE(R_HEX_GOTREL_32_6_X)
+  LLD_CASE(R_HEX_GOTREL_16_X)
+  LLD_CASE(R_HEX_GOTREL_11_X)
+  LLD_CASE(R_HEX_GOT_32_6_X)
+  LLD_CASE(R_HEX_GOT_16_X)
+  LLD_CASE(R_HEX_GOT_11_X)
+  LLD_CASE(R_HEX_DTPREL_32_6_X)
+  LLD_CASE(R_HEX_DTPREL_16_X)
+  LLD_CASE(R_HEX_DTPREL_11_X)
+  LLD_CASE(R_HEX_GD_GOT_32_6_X)
+  LLD_CASE(R_HEX_GD_GOT_16_X)
+  LLD_CASE(R_HEX_GD_GOT_11_X)
+  LLD_CASE(R_HEX_IE_32_6_X)
+  LLD_CASE(R_HEX_IE_16_X)
+  LLD_CASE(R_HEX_IE_GOT_32_6_X)
+  LLD_CASE(R_HEX_IE_GOT_16_X)
+  LLD_CASE(R_HEX_IE_GOT_11_X)
+  LLD_CASE(R_HEX_TPREL_32_6_X)
+  LLD_CASE(R_HEX_TPREL_16_X)
+  LLD_CASE(R_HEX_TPREL_11_X)
+  }
+
+  return make_error_code(yaml_reader_error::illegal_value);
+}
diff --git a/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.h b/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.h
index 8375fef9193..e5a84ff580a 100644
--- a/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.h
+++ b/lld/lib/ReaderWriter/ELF/Hexagon/HexagonTargetInfo.h
@@ -28,6 +28,9 @@ public:
   }
 
   virtual uint64_t getPageSize() const { return 0x1000; }
+
+  virtual ErrorOr<int32_t> relocKindFromString(StringRef str) const;
+  virtual ErrorOr<std::string> stringFromRelocKind(int32_t kind) const;
 };
 
 } // elf