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author | Christian Pirker <cpirker@a-bix.com> | 2014-05-14 16:51:58 +0000 |
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committer | Christian Pirker <cpirker@a-bix.com> | 2014-05-14 16:51:58 +0000 |
commit | 62d6aa025207a032dbf0aef19f9b484926f01398 (patch) | |
tree | 5b238c27533ceac94004b6abc374c3aefa4242e8 /lib | |
parent | f5864fffc37321ddee81301740c9faaf94d5e6a3 (diff) | |
download | llvm-62d6aa025207a032dbf0aef19f9b484926f01398.tar.gz llvm-62d6aa025207a032dbf0aef19f9b484926f01398.tar.bz2 llvm-62d6aa025207a032dbf0aef19f9b484926f01398.tar.xz |
[ARM64-BE] Fix byte order of CIE and FDE frames for exception handling
Reviewed at http://reviews.llvm.org/D3741
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208792 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/ARM64/MCTargetDesc/ARM64AsmBackend.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/Target/ARM64/MCTargetDesc/ARM64AsmBackend.cpp b/lib/Target/ARM64/MCTargetDesc/ARM64AsmBackend.cpp index 73a2afdb47..ba5025ab62 100644 --- a/lib/Target/ARM64/MCTargetDesc/ARM64AsmBackend.cpp +++ b/lib/Target/ARM64/MCTargetDesc/ARM64AsmBackend.cpp @@ -16,6 +16,7 @@ #include "llvm/MC/MCFixupKindInfo.h" #include "llvm/MC/MCObjectWriter.h" #include "llvm/MC/MCSectionMachO.h" +#include "llvm/MC/MCSectionELF.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/MachO.h" using namespace llvm; @@ -500,6 +501,9 @@ public: const MCFixup &Fixup, const MCFragment *DF, const MCValue &Target, uint64_t &Value, bool &IsResolved) override; + + void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize, + uint64_t Value, bool IsPCRel) const override; }; void ELFARM64AsmBackend::processFixupValue(const MCAssembler &Asm, @@ -523,6 +527,19 @@ void ELFARM64AsmBackend::processFixupValue(const MCAssembler &Asm, if ((uint32_t)Fixup.getKind() == ARM64::fixup_arm64_pcrel_adrp_imm21) IsResolved = false; } + +void ELFARM64AsmBackend::applyFixup(const MCFixup &Fixup, char *Data, + unsigned DataSize, uint64_t Value, + bool IsPCRel) const { + // store fixups in .eh_frame section in big endian order + if (!IsLittleEndian && Fixup.getKind() == FK_Data_4) { + const MCSection *Sec = Fixup.getValue()->FindAssociatedSection(); + const MCSectionELF *SecELF = static_cast<const MCSectionELF *>(Sec); + if (SecELF->getSectionName() == ".eh_frame") + Value = ByteSwap_32(unsigned(Value)); + } + ARM64AsmBackend::applyFixup (Fixup, Data, DataSize, Value, IsPCRel); +} } MCAsmBackend *llvm::createARM64leAsmBackend(const Target &T, |