From 3a57627e59ba18b6f9f9aae7bb60c390c0d3575a Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Sun, 9 Aug 2026 22:05:14 +0800 Subject: [MC] Implement RV64GC object emission --- backend/lib/MC/MCStreamer.cpp | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'backend/lib/MC/MCStreamer.cpp') 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 AsmTextStreamer::emitSymbolSize(MCSymbolRef Symbol, MCExprRef Siz return appendLine({}, ".size " + *Name + ", " + *PrintedSize); } +Expected 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 AsmTextStreamer::emitDirective(std::string_view Name, std::string_view Arguments) { if (!isDirectiveName(Name) || containsInvalidLineCharacter(Arguments)) { return makeUnexpected(ErrorCode::InvalidArgument, -- cgit v1.2.3