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Don't loop endlessly for MachO files with 0 ncmds

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225271 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Filipe Cabecinhas
2015-01-06 17:08:26 +00:00
parent ed4e93d5ba
commit d682839830
4 changed files with 14 additions and 0 deletions
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lib/Object/MachOObjectFile.cpp
+3
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@@ -236,6 +236,9 @@ MachOObjectFile::MachOObjectFile(MemoryBufferRef Object, bool IsLittleEndian,
DataInCodeLoadCmd(nullptr), DyldInfoLoadCmd(nullptr),
UuidLoadCmd(nullptr), HasPageZeroSegment(false) {
uint32_t LoadCommandCount = this->getHeader().ncmds;
if (LoadCommandCount == 0)
return;
MachO::LoadCommandType SegmentLoadType = is64Bit() ?
MachO::LC_SEGMENT_64 : MachO::LC_SEGMENT;