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| author | Matheus Almeida <matheus.almeida@imgtec.com> | 2014-04-30 11:21:10 +0000 |
|---|---|---|
| committer | Matheus Almeida <matheus.almeida@imgtec.com> | 2014-04-30 11:21:10 +0000 |
| commit | 737de9db8ee23d1b953aa147b6b36a18f30920f6 (patch) | |
| tree | a9fc170dc2b764e04fb00a6d50cb745b22edfdb4 /include | |
| parent | ebde5a5e49a662cd9191041306443b7116034c52 (diff) | |
| download | llvm-737de9db8ee23d1b953aa147b6b36a18f30920f6.tar.gz llvm-737de9db8ee23d1b953aa147b6b36a18f30920f6.tar.bz2 llvm-737de9db8ee23d1b953aa147b6b36a18f30920f6.tar.xz | |
[mips] Emit all three relocation operations for each relocation entry on Mips64 big-endian systems.
Summary:
The N64 ABI allows up to three operations to be specified per relocation record
independently of the endianness.
Reviewers: dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3529
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207636 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Object/ELF.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/llvm/Object/ELF.h b/include/llvm/Object/ELF.h index bc9cc673cb..a9989c2a80 100644 --- a/include/llvm/Object/ELF.h +++ b/include/llvm/Object/ELF.h @@ -317,6 +317,11 @@ public: ELFFile(MemoryBuffer *Object, error_code &ec); + bool isMipsELF64() const { + return Header->e_machine == ELF::EM_MIPS && + Header->getFileClass() == ELF::ELFCLASS64; + } + bool isMips64EL() const { return Header->e_machine == ELF::EM_MIPS && Header->getFileClass() == ELF::ELFCLASS64 && @@ -537,10 +542,16 @@ StringRef ELFFile<ELFT>::getRelocationTypeName(uint32_t Type) const { template <class ELFT> void ELFFile<ELFT>::getRelocationTypeName(uint32_t Type, SmallVectorImpl<char> &Result) const { - if (!isMips64EL()) { + if (!isMipsELF64()) { StringRef Name = getRelocationTypeName(Type); Result.append(Name.begin(), Name.end()); } else { + // The Mips N64 ABI allows up to three operations to be specified per + // relocation record. Unfortunately there's no easy way to test for the + // presence of N64 ELFs as they have no special flag that identifies them + // as being N64. We can safely assume at the moment that all Mips + // ELFCLASS64 ELFs are N64. New Mips64 ABIs should provide enough + // information to disambiguate between old vs new ABIs. uint8_t Type1 = (Type >> 0) & 0xFF; uint8_t Type2 = (Type >> 8) & 0xFF; uint8_t Type3 = (Type >> 16) & 0xFF; |