1 files changed, 0 insertions, 556 deletions
diff --git a/contrib/llvm/lib/Object/RelocationResolver.cpp b/contrib/llvm/lib/Object/RelocationResolver.cpp
deleted file mode 100644
index 7df4f8d2b90f..000000000000
--- a/contrib/llvm/lib/Object/RelocationResolver.cpp
+++ /dev/null
@@ -1,556 +0,0 @@
-//===- RelocationResolver.cpp ------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines utilities to resolve relocations in object files.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Object/RelocationResolver.h"
-
-namespace llvm {
-namespace object {
-
-static int64_t getELFAddend(RelocationRef R) {
-  Expected<int64_t> AddendOrErr = ELFRelocationRef(R).getAddend();
-  handleAllErrors(AddendOrErr.takeError(), [](const ErrorInfoBase &EI) {
-    report_fatal_error(EI.message());
-  });
-  return *AddendOrErr;
-}
-
-static bool supportsX86_64(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_X86_64_NONE:
-  case ELF::R_X86_64_64:
-  case ELF::R_X86_64_DTPOFF32:
-  case ELF::R_X86_64_DTPOFF64:
-  case ELF::R_X86_64_PC32:
-  case ELF::R_X86_64_32:
-  case ELF::R_X86_64_32S:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveX86_64(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_X86_64_NONE:
-    return A;
-  case ELF::R_X86_64_64:
-  case ELF::R_X86_64_DTPOFF32:
-  case ELF::R_X86_64_DTPOFF64:
-    return S + getELFAddend(R);
-  case ELF::R_X86_64_PC32:
-    return S + getELFAddend(R) - R.getOffset();
-  case ELF::R_X86_64_32:
-  case ELF::R_X86_64_32S:
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsAArch64(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_AARCH64_ABS32:
-  case ELF::R_AARCH64_ABS64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveAArch64(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_AARCH64_ABS32:
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  case ELF::R_AARCH64_ABS64:
-    return S + getELFAddend(R);
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsBPF(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_BPF_64_32:
-  case ELF::R_BPF_64_64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveBPF(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_BPF_64_32:
-    return (S + A) & 0xFFFFFFFF;
-  case ELF::R_BPF_64_64:
-    return S + A;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsMips64(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_MIPS_32:
-  case ELF::R_MIPS_64:
-  case ELF::R_MIPS_TLS_DTPREL64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveMips64(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_MIPS_32:
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  case ELF::R_MIPS_64:
-    return S + getELFAddend(R);
-  case ELF::R_MIPS_TLS_DTPREL64:
-    return S + getELFAddend(R) - 0x8000;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsPPC64(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_PPC64_ADDR32:
-  case ELF::R_PPC64_ADDR64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolvePPC64(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_PPC64_ADDR32:
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  case ELF::R_PPC64_ADDR64:
-    return S + getELFAddend(R);
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsSystemZ(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_390_32:
-  case ELF::R_390_64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveSystemZ(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_390_32:
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  case ELF::R_390_64:
-    return S + getELFAddend(R);
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsSparc64(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_SPARC_32:
-  case ELF::R_SPARC_64:
-  case ELF::R_SPARC_UA32:
-  case ELF::R_SPARC_UA64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveSparc64(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_SPARC_32:
-  case ELF::R_SPARC_64:
-  case ELF::R_SPARC_UA32:
-  case ELF::R_SPARC_UA64:
-    return S + getELFAddend(R);
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsAmdgpu(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_AMDGPU_ABS32:
-  case ELF::R_AMDGPU_ABS64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveAmdgpu(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_AMDGPU_ABS32:
-  case ELF::R_AMDGPU_ABS64:
-    return S + getELFAddend(R);
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsX86(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_386_NONE:
-  case ELF::R_386_32:
-  case ELF::R_386_PC32:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveX86(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_386_NONE:
-    return A;
-  case ELF::R_386_32:
-    return S + A;
-  case ELF::R_386_PC32:
-    return S - R.getOffset() + A;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsPPC32(uint64_t Type) {
-  return Type == ELF::R_PPC_ADDR32;
-}
-
-static uint64_t resolvePPC32(RelocationRef R, uint64_t S, uint64_t A) {
-  if (R.getType() == ELF::R_PPC_ADDR32)
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  llvm_unreachable("Invalid relocation type");
-}
-
-static bool supportsARM(uint64_t Type) {
-  return Type == ELF::R_ARM_ABS32;
-}
-
-static uint64_t resolveARM(RelocationRef R, uint64_t S, uint64_t A) {
-  if (R.getType() == ELF::R_ARM_ABS32)
-    return (S + A) & 0xFFFFFFFF;
-  llvm_unreachable("Invalid relocation type");
-}
-
-static bool supportsAVR(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_AVR_16:
-  case ELF::R_AVR_32:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveAVR(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case ELF::R_AVR_16:
-    return (S + getELFAddend(R)) & 0xFFFF;
-  case ELF::R_AVR_32:
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsLanai(uint64_t Type) {
-  return Type == ELF::R_LANAI_32;
-}
-
-static uint64_t resolveLanai(RelocationRef R, uint64_t S, uint64_t A) {
-  if (R.getType() == ELF::R_LANAI_32)
-    return (S + getELFAddend(R)) & 0xFFFFFFFF;
-  llvm_unreachable("Invalid relocation type");
-}
-
-static bool supportsMips32(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_MIPS_32:
-  case ELF::R_MIPS_TLS_DTPREL32:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveMips32(RelocationRef R, uint64_t S, uint64_t A) {
-  // FIXME: Take in account implicit addends to get correct results.
-  uint32_t Rel = R.getType();
-  if (Rel == ELF::R_MIPS_32)
-    return (S + A) & 0xFFFFFFFF;
-  if (Rel == ELF::R_MIPS_TLS_DTPREL32)
-    return (S + A) & 0xFFFFFFFF;
-  llvm_unreachable("Invalid relocation type");
-}
-
-static bool supportsSparc32(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_SPARC_32:
-  case ELF::R_SPARC_UA32:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveSparc32(RelocationRef R, uint64_t S, uint64_t A) {
-  uint32_t Rel = R.getType();
-  if (Rel == ELF::R_SPARC_32 || Rel == ELF::R_SPARC_UA32)
-    return S + getELFAddend(R);
-  return A;
-}
-
-static bool supportsHexagon(uint64_t Type) {
-  return Type == ELF::R_HEX_32;
-}
-
-static uint64_t resolveHexagon(RelocationRef R, uint64_t S, uint64_t A) {
-  if (R.getType() == ELF::R_HEX_32)
-    return S + getELFAddend(R);
-  llvm_unreachable("Invalid relocation type");
-}
-
-static bool supportsRISCV(uint64_t Type) {
-  switch (Type) {
-  case ELF::R_RISCV_NONE:
-  case ELF::R_RISCV_32:
-  case ELF::R_RISCV_64:
-  case ELF::R_RISCV_SET6:
-  case ELF::R_RISCV_SUB6:
-  case ELF::R_RISCV_ADD8:
-  case ELF::R_RISCV_SUB8:
-  case ELF::R_RISCV_ADD16:
-  case ELF::R_RISCV_SUB16:
-  case ELF::R_RISCV_ADD32:
-  case ELF::R_RISCV_SUB32:
-  case ELF::R_RISCV_ADD64:
-  case ELF::R_RISCV_SUB64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveRISCV(RelocationRef R, uint64_t S, uint64_t A) {
-  int64_t RA = getELFAddend(R);
-  switch (R.getType()) {
-  case ELF::R_RISCV_NONE:
-    return A;
-  case ELF::R_RISCV_32:
-    return (S + RA) & 0xFFFFFFFF;
-  case ELF::R_RISCV_64:
-    return S + RA;
-  case ELF::R_RISCV_SET6:
-    return (A + (S + RA)) & 0xFF;
-  case ELF::R_RISCV_SUB6:
-    return (A - (S + RA)) & 0xFF;
-  case ELF::R_RISCV_ADD8:
-    return (A + (S + RA)) & 0xFF;
-  case ELF::R_RISCV_SUB8:
-    return (A - (S + RA)) & 0xFF;
-  case ELF::R_RISCV_ADD16:
-    return (A + (S + RA)) & 0xFFFF;
-  case ELF::R_RISCV_SUB16:
-    return (A - (S + RA)) & 0xFFFF;
-  case ELF::R_RISCV_ADD32:
-    return (A + (S + RA)) & 0xFFFFFFFF;
-  case ELF::R_RISCV_SUB32:
-    return (A - (S + RA)) & 0xFFFFFFFF;
-  case ELF::R_RISCV_ADD64:
-    return (A + (S + RA));
-  case ELF::R_RISCV_SUB64:
-    return (A - (S + RA));
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsCOFFX86(uint64_t Type) {
-  switch (Type) {
-  case COFF::IMAGE_REL_I386_SECREL:
-  case COFF::IMAGE_REL_I386_DIR32:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveCOFFX86(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case COFF::IMAGE_REL_I386_SECREL:
-  case COFF::IMAGE_REL_I386_DIR32:
-    return (S + A) & 0xFFFFFFFF;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsCOFFX86_64(uint64_t Type) {
-  switch (Type) {
-  case COFF::IMAGE_REL_AMD64_SECREL:
-  case COFF::IMAGE_REL_AMD64_ADDR64:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveCOFFX86_64(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case COFF::IMAGE_REL_AMD64_SECREL:
-    return (S + A) & 0xFFFFFFFF;
-  case COFF::IMAGE_REL_AMD64_ADDR64:
-    return S + A;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-static bool supportsMachOX86_64(uint64_t Type) {
-  return Type == MachO::X86_64_RELOC_UNSIGNED;
-}
-
-static uint64_t resolveMachOX86_64(RelocationRef R, uint64_t S, uint64_t A) {
-  if (R.getType() == MachO::X86_64_RELOC_UNSIGNED)
-    return S;
-  llvm_unreachable("Invalid relocation type");
-}
-
-static bool supportsWasm32(uint64_t Type) {
-  switch (Type) {
-  case wasm::R_WASM_FUNCTION_INDEX_LEB:
-  case wasm::R_WASM_TABLE_INDEX_SLEB:
-  case wasm::R_WASM_TABLE_INDEX_I32:
-  case wasm::R_WASM_MEMORY_ADDR_LEB:
-  case wasm::R_WASM_MEMORY_ADDR_SLEB:
-  case wasm::R_WASM_MEMORY_ADDR_I32:
-  case wasm::R_WASM_TYPE_INDEX_LEB:
-  case wasm::R_WASM_GLOBAL_INDEX_LEB:
-  case wasm::R_WASM_FUNCTION_OFFSET_I32:
-  case wasm::R_WASM_SECTION_OFFSET_I32:
-  case wasm::R_WASM_EVENT_INDEX_LEB:
-    return true;
-  default:
-    return false;
-  }
-}
-
-static uint64_t resolveWasm32(RelocationRef R, uint64_t S, uint64_t A) {
-  switch (R.getType()) {
-  case wasm::R_WASM_FUNCTION_INDEX_LEB:
-  case wasm::R_WASM_TABLE_INDEX_SLEB:
-  case wasm::R_WASM_TABLE_INDEX_I32:
-  case wasm::R_WASM_MEMORY_ADDR_LEB:
-  case wasm::R_WASM_MEMORY_ADDR_SLEB:
-  case wasm::R_WASM_MEMORY_ADDR_I32:
-  case wasm::R_WASM_TYPE_INDEX_LEB:
-  case wasm::R_WASM_GLOBAL_INDEX_LEB:
-  case wasm::R_WASM_FUNCTION_OFFSET_I32:
-  case wasm::R_WASM_SECTION_OFFSET_I32:
-  case wasm::R_WASM_EVENT_INDEX_LEB:
-    // For wasm section, its offset at 0 -- ignoring Value
-    return A;
-  default:
-    llvm_unreachable("Invalid relocation type");
-  }
-}
-
-std::pair<bool (*)(uint64_t), RelocationResolver>
-getRelocationResolver(const ObjectFile &Obj) {
-  if (Obj.isCOFF()) {
-    if (Obj.getBytesInAddress() == 8)
-      return {supportsCOFFX86_64, resolveCOFFX86_64};
-    return {supportsCOFFX86, resolveCOFFX86};
-  } else if (Obj.isELF()) {
-    if (Obj.getBytesInAddress() == 8) {
-      switch (Obj.getArch()) {
-      case Triple::x86_64:
-        return {supportsX86_64, resolveX86_64};
-      case Triple::aarch64:
-      case Triple::aarch64_be:
-        return {supportsAArch64, resolveAArch64};
-      case Triple::bpfel:
-      case Triple::bpfeb:
-        return {supportsBPF, resolveBPF};
-      case Triple::mips64el:
-      case Triple::mips64:
-        return {supportsMips64, resolveMips64};
-      case Triple::ppc64le:
-      case Triple::ppc64:
-        return {supportsPPC64, resolvePPC64};
-      case Triple::systemz:
-        return {supportsSystemZ, resolveSystemZ};
-      case Triple::sparcv9:
-        return {supportsSparc64, resolveSparc64};
-      case Triple::amdgcn:
-        return {supportsAmdgpu, resolveAmdgpu};
-      case Triple::riscv64:
-        return {supportsRISCV, resolveRISCV};
-      default:
-        return {nullptr, nullptr};
-      }
-    }
-
-    // 32-bit object file
-    assert(Obj.getBytesInAddress() == 4 &&
-           "Invalid word size in object file");
-
-    switch (Obj.getArch()) {
-    case Triple::x86:
-      return {supportsX86, resolveX86};
-    case Triple::ppc:
-      return {supportsPPC32, resolvePPC32};
-    case Triple::arm:
-    case Triple::armeb:
-      return {supportsARM, resolveARM};
-    case Triple::avr:
-      return {supportsAVR, resolveAVR};
-    case Triple::lanai:
-      return {supportsLanai, resolveLanai};
-    case Triple::mipsel:
-    case Triple::mips:
-      return {supportsMips32, resolveMips32};
-    case Triple::sparc:
-      return {supportsSparc32, resolveSparc32};
-    case Triple::hexagon:
-      return {supportsHexagon, resolveHexagon};
-    case Triple::riscv32:
-      return {supportsRISCV, resolveRISCV};
-    default:
-      return {nullptr, nullptr};
-    }
-  } else if (Obj.isMachO()) {
-    if (Obj.getArch() == Triple::x86_64)
-      return {supportsMachOX86_64, resolveMachOX86_64};
-    return {nullptr, nullptr};
-  } else if (Obj.isWasm()) {
-    if (Obj.getArch() == Triple::wasm32)
-      return {supportsWasm32, resolveWasm32};
-    return {nullptr, nullptr};
-  }
-
-  llvm_unreachable("Invalid object file");
-}
-
-} // namespace object
-} // namespace llvm