diff options
Diffstat (limited to 'llvm/lib/Object/ELF.cpp')
| -rw-r--r-- | llvm/lib/Object/ELF.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Object/ELF.cpp b/llvm/lib/Object/ELF.cpp index 53699ce0..f256e7b 100644 --- a/llvm/lib/Object/ELF.cpp +++ b/llvm/lib/Object/ELF.cpp @@ -837,7 +837,7 @@ decodeBBAddrMapImpl(const ELFFile<ELFT> &EF, Version = Data.getU8(Cur); if (!Cur) break; - if (Version < 2 || Version > 3) + if (Version < 2 || Version > 4) return createError("unsupported SHT_LLVM_BB_ADDR_MAP version: " + Twine(static_cast<int>(Version))); Feature = Data.getU8(Cur); // Feature byte @@ -852,6 +852,11 @@ decodeBBAddrMapImpl(const ELFFile<ELFT> &EF, "callsite offsets feature is enabled: version = " + Twine(static_cast<int>(Version)) + " feature = " + Twine(static_cast<int>(Feature))); + if (FeatEnable.BBHash && Version < 4) + return createError("version should be >= 4 for SHT_LLVM_BB_ADDR_MAP when " + "basic block hash feature is enabled: version = " + + Twine(static_cast<int>(Version)) + + " feature = " + Twine(static_cast<int>(Feature))); uint32_t NumBlocksInBBRange = 0; uint32_t NumBBRanges = 1; typename ELFFile<ELFT>::uintX_t RangeBaseAddress = 0; @@ -907,6 +912,7 @@ decodeBBAddrMapImpl(const ELFFile<ELFT> &EF, uint32_t Size = readULEB128As<uint32_t>(Data, Cur, ULEBSizeErr) + LastCallsiteEndOffset; uint32_t MD = readULEB128As<uint32_t>(Data, Cur, ULEBSizeErr); + uint64_t Hash = FeatEnable.BBHash ? Data.getU64(Cur) : 0; Expected<BBAddrMap::BBEntry::Metadata> MetadataOrErr = BBAddrMap::BBEntry::Metadata::decode(MD); if (!MetadataOrErr) { @@ -914,7 +920,7 @@ decodeBBAddrMapImpl(const ELFFile<ELFT> &EF, break; } BBEntries.push_back({ID, Offset + PrevBBEndOffset, Size, - *MetadataOrErr, CallsiteEndOffsets}); + *MetadataOrErr, CallsiteEndOffsets, Hash}); PrevBBEndOffset += Offset + Size; } TotalNumBlocks += BBEntries.size(); |