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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-07-27 14:14:43 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-07-27 14:14:43 +0000 |
| commit | 1faea8f0869a173c5952b59fd17718cf42111416 (patch) | |
| tree | 2cc26b950424ced0d1847d05a1d5f86b6486291f /lib/CodeGen | |
| parent | 214de30d9d3739bb384188720aa6c389edcf89dc (diff) | |
| download | llvm-1faea8f0869a173c5952b59fd17718cf42111416.tar.gz llvm-1faea8f0869a173c5952b59fd17718cf42111416.tar.bz2 llvm-1faea8f0869a173c5952b59fd17718cf42111416.tar.xz | |
DwarfDebug: MD5 is always little endian, bswap on big endian platforms.
This makes LLVM emit the same signature regardless of host and target endianess.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187304 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 0d2d02eba4..7ba1fc187d 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1059,8 +1059,9 @@ static void addDIEODRSignature(MD5 &Hash, CompileUnit *CU, DIE *Die) { Hash.final(Result); // ... take the least significant 8 bytes and store those as the attribute. - uint64_t Signature; - memcpy(&Signature, &Result[8], 8); + // Our MD5 implementation always returns its results in little endian, swap + // bytes appropriately. + uint64_t Signature = *reinterpret_cast<support::ulittle64_t *>(Result + 8); // FIXME: This should be added onto the type unit, not the type, but this // works as an intermediate stage. |