67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
//===- lib/ReaderWriter/ELF/FileCommon.cpp --------------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ELFFile.h"
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#include "FileCommon.h"
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using namespace llvm::ELF;
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namespace lld {
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namespace elf {
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static const char *elf32_expected = "ELF32 expected, but got ELF64";
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static const char *elf64_expected = "ELF64 expected, but got ELF32";
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static const char *le_expected =
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"Little endian files are expected, but got a big endian file.";
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static const char *be_expected =
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"Big endian files are expected, but got a little endian file.";
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template <>
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std::error_code checkCompatibility<ELF32LE>(unsigned char size,
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unsigned char endian) {
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if (size == ELFCLASS64)
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return make_dynamic_error_code(elf32_expected);
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if (endian == ELFDATA2MSB)
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return make_dynamic_error_code(le_expected);
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return std::error_code();
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}
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template <>
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std::error_code checkCompatibility<ELF32BE>(unsigned char size,
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unsigned char endian) {
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if (size == ELFCLASS64)
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return make_dynamic_error_code(elf32_expected);
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if (endian == ELFDATA2LSB)
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return make_dynamic_error_code(be_expected);
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return std::error_code();
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}
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template <>
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std::error_code checkCompatibility<ELF64LE>(unsigned char size,
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unsigned char endian) {
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if (size == ELFCLASS32)
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return make_dynamic_error_code(elf64_expected);
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if (endian == ELFDATA2MSB)
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return make_dynamic_error_code(le_expected);
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return std::error_code();
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}
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template <>
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std::error_code checkCompatibility<ELF64BE>(unsigned char size,
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unsigned char endian) {
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if (size == ELFCLASS32)
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return make_dynamic_error_code(elf64_expected);
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if (endian == ELFDATA2LSB)
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return make_dynamic_error_code(be_expected);
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return std::error_code();
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}
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} // end namespace elf
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} // end namespace lld
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