Add relocation types for Hexagon processor; patch by Sidney Manning <sidneym@codeaurora.org>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159081 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 200 insertions, 0 deletions

diff --git a/include/llvm/Object/ELF.h b/include/llvm/Object/ELF.h
index 4e6f50d97a..cafcb5ed3d 100644
--- a/include/llvm/Object/ELF.h
+++ b/include/llvm/Object/ELF.h
@@ -1414,6 +1414,98 @@ error_code ELFObjectFile<target_endianness, is64Bits>
       res = "Unknown";
     }
     break;
+  case ELF::EM_HEXAGON:
+    switch (type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_3);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B32_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_12_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_10_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_9_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_7_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_JMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_PLT_B22_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPMOD_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_PLT_B22_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X);
+    default:
+      res = "Unknown";
+    }
+    break;
   default:
     res = "Unknown";
   }
@@ -1489,6 +1581,9 @@ error_code ELFObjectFile<target_endianness, is64Bits>
       res = "Unknown";
     }
     break;
+  case ELF::EM_HEXAGON:
+    res = symname;
+    break;
   default:
     res = "Unknown";
   }
@@ -1888,6 +1983,8 @@ StringRef ELFObjectFile<target_endianness, is64Bits>
       return "ELF32-x86-64";
     case ELF::EM_ARM:
       return "ELF32-arm";
+    case ELF::EM_HEXAGON:
+      return "ELF32-hexagon";
     default:
       return "ELF32-unknown";
     }
@@ -1915,6 +2012,8 @@ unsigned ELFObjectFile<target_endianness, is64Bits>::getArch() const {
     return Triple::x86_64;
   case ELF::EM_ARM:
     return Triple::arm;
+  case ELF::EM_HEXAGON:
+    return Triple::hexagon;
   default:
     return Triple::UnknownArch;
   }
diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h
index f2210dc0f2..40456ad351 100644
--- a/include/llvm/Support/ELF.h
+++ b/include/llvm/Support/ELF.h
@@ -674,6 +674,97 @@ enum {
   R_MIPS_NUM               = 218
 };
 
+// ELF Relocation types for Hexagon
+// Release 5 ABI - Document: 80-V9418-3 Rev. J
+enum {
+  R_HEX_NONE              =  0,
+  R_HEX_B22_PCREL         =  1,
+  R_HEX_B15_PCREL         =  2,
+  R_HEX_B7_PCREL          =  3,
+  R_HEX_LO16              =  4,
+  R_HEX_HI16              =  5,
+  R_HEX_32                =  6,
+  R_HEX_16                =  7,
+  R_HEX_8                 =  8,
+  R_HEX_GPREL16_0         =  9,
+  R_HEX_GPREL16_1         =  10,
+  R_HEX_GPREL16_2         =  11,
+  R_HEX_GPREL16_3         =  12,
+  R_HEX_HL16              =  13,
+  R_HEX_B13_PCREL         =  14,
+  R_HEX_B9_PCREL          =  15,
+  R_HEX_B32_PCREL_X       =  16,
+  R_HEX_32_6_X            =  17,
+  R_HEX_B22_PCREL_X       =  18,
+  R_HEX_B15_PCREL_X       =  19,
+  R_HEX_B13_PCREL_X       =  20,
+  R_HEX_B9_PCREL_X        =  21,
+  R_HEX_B7_PCREL_X        =  22,
+  R_HEX_16_X              =  23,
+  R_HEX_12_X              =  24,
+  R_HEX_11_X              =  25,
+  R_HEX_10_X              =  26,
+  R_HEX_9_X               =  27,
+  R_HEX_8_X               =  28,
+  R_HEX_7_X               =  29,
+  R_HEX_6_X               =  30,
+  R_HEX_32_PCREL          =  31,
+  R_HEX_COPY              =  32,
+  R_HEX_GLOB_DAT          =  33,
+  R_HEX_JMP_SLOT          =  34,
+  R_HEX_RELATIVE          =  35,
+  R_HEX_PLT_B22_PCREL     =  36,
+  R_HEX_GOTREL_LO16       =  37,
+  R_HEX_GOTREL_HI16       =  38,
+  R_HEX_GOTREL_32         =  39,
+  R_HEX_GOT_LO16          =  40,
+  R_HEX_GOT_HI16          =  41,
+  R_HEX_GOT_32            =  42,
+  R_HEX_GOT_16            =  43,
+  R_HEX_DTPMOD_32         =  44,
+  R_HEX_DTPREL_LO16       =  45,
+  R_HEX_DTPREL_HI16       =  46,
+  R_HEX_DTPREL_32         =  47,
+  R_HEX_DTPREL_16         =  48,
+  R_HEX_GD_PLT_B22_PCREL  =  49,
+  R_HEX_GD_GOT_LO16       =  50,
+  R_HEX_GD_GOT_HI16       =  51,
+  R_HEX_GD_GOT_32         =  52,
+  R_HEX_GD_GOT_16         =  53,
+  R_HEX_IE_LO16           =  54,
+  R_HEX_IE_HI16           =  55,
+  R_HEX_IE_32             =  56,
+  R_HEX_IE_GOT_LO16       =  57,
+  R_HEX_IE_GOT_HI16       =  58,
+  R_HEX_IE_GOT_32         =  59,
+  R_HEX_IE_GOT_16         =  60,
+  R_HEX_TPREL_LO16        =  61,
+  R_HEX_TPREL_HI16        =  62,
+  R_HEX_TPREL_32          =  63,
+  R_HEX_TPREL_16          =  64,
+  R_HEX_6_PCREL_X         =  65,
+  R_HEX_GOTREL_32_6_X     =  66,
+  R_HEX_GOTREL_16_X       =  67,
+  R_HEX_GOTREL_11_X       =  68,
+  R_HEX_GOT_32_6_X        =  69,
+  R_HEX_GOT_16_X          =  70,
+  R_HEX_GOT_11_X          =  71,
+  R_HEX_DTPREL_32_6_X     =  72,
+  R_HEX_DTPREL_16_X       =  73,
+  R_HEX_DTPREL_11_X       =  74,
+  R_HEX_GD_GOT_32_6_X     =  75,
+  R_HEX_GD_GOT_16_X       =  76,
+  R_HEX_GD_GOT_11_X       =  77,
+  R_HEX_IE_32_6_X         =  78,
+  R_HEX_IE_16_X           =  79,
+  R_HEX_IE_GOT_32_6_X     =  80,
+  R_HEX_IE_GOT_16_X       =  81,
+  R_HEX_IE_GOT_11_X       =  82,
+  R_HEX_TPREL_32_6_X      =  83,
+  R_HEX_TPREL_16_X        =  84,
+  R_HEX_TPREL_11_X        =  85
+};
+
 // Section header.
 struct Elf32_Shdr {
   Elf32_Word sh_name;      // Section name (index into string table)
diff --git a/test/Object/Inputs/trivial-object-test.elf-hexagon b/test/Object/Inputs/trivial-object-test.elf-hexagon
new file mode 100644
index 0000000000..566fa30012
--- /dev/null
+++ b/test/Object/Inputs/trivial-object-test.elf-hexagon
diff --git a/test/Object/objdump-relocations.test b/test/Object/objdump-relocations.test
index c4b564e723..a394a23a7e 100644
--- a/test/Object/objdump-relocations.test
+++ b/test/Object/objdump-relocations.test
@@ -6,6 +6,8 @@ RUN: llvm-objdump -r %p/Inputs/trivial-object-test.elf-i386 \
 RUN:              | FileCheck %s -check-prefix ELF-i386
 RUN: llvm-objdump -r %p/Inputs/trivial-object-test.elf-x86-64 \
 RUN:              | FileCheck %s -check-prefix ELF-x86-64
+RUN: llvm-objdump -r %p/Inputs/trivial-object-test.elf-hexagon \
+RUN:              | FileCheck %s -check-prefix ELF-hexagon
 
 COFF-i386: .text
 COFF-i386: IMAGE_REL_I386_DIR32 L_.str
@@ -26,3 +28,11 @@ ELF-x86-64: .text
 ELF-x86-64: R_X86_64_32S .rodata.str1.1
 ELF-x86-64: R_X86_64_PC32 puts
 ELF-x86-64: R_X86_64_PC32 SomeOtherFunction
+
+ELF-hexagon: .text
+ELF-hexagon: R_HEX_GOTREL_HI16 .main
+ELF-hexagon: R_HEX_GOTREL_LO16 .main
+ELF-hexagon: R_HEX_HI16 puts
+ELF-hexagon: R_HEX_LO16 puts
+ELF-hexagon: R_HEX_B15_PCREL testf
+ELF-hexagon: R_HEX_B22_PCREL puts