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[bpf] emit jmp fixups in little endian

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The 'off' field of 'struct bpf_insn' is in cpu-endianness,
since the rest is emitted as little endian, make sure
that 'off' field is little endian as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238038 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexei Starovoitov
2015-05-22 18:47:33 +00:00
parent 84b1a805bb
commit 1fd101c86d
1 changed files with 3 additions and 1 deletions
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4
lib/Target/BPF/MCTargetDesc/BPFAsmBackend.cpp
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@@ -68,7 +68,9 @@ void BPFAsmBackend::applyFixup(const MCFixup &Fixup, char *Data,
return; return;
} }
assert(Fixup.getKind() == FK_PCRel_2); assert(Fixup.getKind() == FK_PCRel_2);
*(uint16_t *)&Data[Fixup.getOffset() + 2] = (uint16_t)((Value - 8) / 8); Value = (uint16_t)((Value - 8) / 8);
Data[Fixup.getOffset() + 2] = Value & 0xFF;
Data[Fixup.getOffset() + 3] = Value >> 8;
} }
MCObjectWriter *BPFAsmBackend::createObjectWriter(raw_pwrite_stream &OS) const { MCObjectWriter *BPFAsmBackend::createObjectWriter(raw_pwrite_stream &OS) const {