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| author | Yuchen Wu <yuchenericwu@hotmail.com> | 2013-12-04 06:00:17 +0000 |
|---|---|---|
| committer | Yuchen Wu <yuchenericwu@hotmail.com> | 2013-12-04 06:00:17 +0000 |
| commit | 2ebea72474874e5a437eca994ca4d649d8234744 (patch) | |
| tree | f4889e60d1ce3c6f437ad03ad6515081bb098466 /lib/IR/GCOV.cpp | |
| parent | 45a5b27d9be7d0707a1fb15fc7e512a39feb95a7 (diff) | |
| download | llvm-2ebea72474874e5a437eca994ca4d649d8234744.tar.gz llvm-2ebea72474874e5a437eca994ca4d649d8234744.tar.bz2 llvm-2ebea72474874e5a437eca994ca4d649d8234744.tar.xz | |
llvm-cov: Added support for function checksums.
The function checksums are hashed from the concatenation of the function
name and line number.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196358 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/GCOV.cpp')
| -rw-r--r-- | lib/IR/GCOV.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/IR/GCOV.cpp b/lib/IR/GCOV.cpp index 64d53e4251..14eb71f030 100644 --- a/lib/IR/GCOV.cpp +++ b/lib/IR/GCOV.cpp @@ -125,7 +125,7 @@ bool GCOVFunction::readGCNO(GCOVBuffer &Buff, GCOV::GCOVVersion Version) { uint32_t Dummy; if (!Buff.readInt(Dummy)) return false; // Function header length if (!Buff.readInt(Ident)) return false; - if (!Buff.readInt(Dummy)) return false; // Checksum #1 + if (!Buff.readInt(Checksum)) return false; if (Version != GCOV::V402) { uint32_t CfgChecksum; if (!Buff.readInt(CfgChecksum)) return false; @@ -212,6 +212,7 @@ bool GCOVFunction::readGCNO(GCOVBuffer &Buff, GCOV::GCOVVersion Version) { bool GCOVFunction::readGCDA(GCOVBuffer &Buff, GCOV::GCOVVersion Version) { uint32_t Dummy; if (!Buff.readInt(Dummy)) return false; // Function header length + uint32_t GCDAIdent; if (!Buff.readInt(GCDAIdent)) return false; if (Ident != GCDAIdent) { @@ -220,8 +221,13 @@ bool GCOVFunction::readGCDA(GCOVBuffer &Buff, GCOV::GCOVVersion Version) { return false; } - if (!Buff.readInt(Dummy)) return false; // Checksum #1 - + uint32_t GCDAChecksum; + if (!Buff.readInt(GCDAChecksum)) return false; + if (Checksum != GCDAChecksum) { + errs() << "Function checksums do not match: " << Checksum << " != " + << GCDAChecksum << " (in " << Name << ").\n"; + return false; + } uint32_t CfgChecksum; if (Version != GCOV::V402) { |