diff options
Diffstat (limited to 'llvm/lib/DebugInfo/GSYM/LineTable.cpp')
| -rw-r--r-- | llvm/lib/DebugInfo/GSYM/LineTable.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/DebugInfo/GSYM/LineTable.cpp b/llvm/lib/DebugInfo/GSYM/LineTable.cpp index 824c0041be9f..a49a3ba9bf2a 100644 --- a/llvm/lib/DebugInfo/GSYM/LineTable.cpp +++ b/llvm/lib/DebugInfo/GSYM/LineTable.cpp @@ -262,8 +262,8 @@ llvm::Expected<LineTable> LineTable::decode(DataExtractor &Data, // Parse the line table on the fly and find the row we are looking for. // We will need to determine if we need to cache the line table by calling // LineTable::parseAllEntries(...) or just call this function each time. -// There is a CPU vs memory tradeoff we will need to determine. -LineEntry LineTable::lookup(DataExtractor &Data, uint64_t BaseAddr, uint64_t Addr) { +// There is a CPU vs memory tradeoff we will need to determined. +Expected<LineEntry> LineTable::lookup(DataExtractor &Data, uint64_t BaseAddr, uint64_t Addr) { LineEntry Result; llvm::Error Err = parse(Data, BaseAddr, [Addr, &Result](const LineEntry &Row) -> bool { @@ -277,7 +277,13 @@ LineEntry LineTable::lookup(DataExtractor &Data, uint64_t BaseAddr, uint64_t Add } return true; // Keep parsing till we find the right row. }); - return Result; + if (Err) + return std::move(Err); + if (Result.isValid()) + return Result; + return createStringError(std::errc::invalid_argument, + "address 0x%" PRIx64 " is not in the line table", + Addr); } raw_ostream &llvm::gsym::operator<<(raw_ostream &OS, const LineTable <) { |