diff options
Diffstat (limited to 'backend/lib/MC/MCStreamer.cpp')
| -rw-r--r-- | backend/lib/MC/MCStreamer.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/backend/lib/MC/MCStreamer.cpp b/backend/lib/MC/MCStreamer.cpp index 001fa28..56c3f96 100644 --- a/backend/lib/MC/MCStreamer.cpp +++ b/backend/lib/MC/MCStreamer.cpp @@ -342,6 +342,22 @@ Expected<void> AsmTextStreamer::emitSymbolSize(MCSymbolRef Symbol, MCExprRef Siz return appendLine({}, ".size " + *Name + ", " + *PrintedSize); } +Expected<void> AsmTextStreamer::emitCommonSymbol(MCSymbolRef Symbol, std::uint64_t Size, + std::uint64_t Alignment) { + if (IsFinished) + return makeUnexpected(ErrorCode::AssemblyLoweringFailed, + "cannot emit a common symbol after assembly finalization"); + if (!Symbol || Size == 0 || Alignment == 0 || (Alignment & (Alignment - 1U)) != 0) { + return makeUnexpected(ErrorCode::InvalidArgument, + "common symbol requires a symbol, size, and power-of-two alignment"); + } + auto Name = printMCSymbolName(Symbol->name()); + if (!Name) + return std::unexpected(Name.error()); + return appendLine({}, ".comm " + *Name + "," + std::to_string(Size) + "," + + std::to_string(Alignment)); +} + Expected<void> AsmTextStreamer::emitDirective(std::string_view Name, std::string_view Arguments) { if (!isDirectiveName(Name) || containsInvalidLineCharacter(Arguments)) { return makeUnexpected(ErrorCode::InvalidArgument, |