diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/wasm-linker.cpp | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/src/wasm-linker.cpp b/src/wasm-linker.cpp index f4f516073..a4bd97e2f 100644 --- a/src/wasm-linker.cpp +++ b/src/wasm-linker.cpp @@ -217,23 +217,31 @@ bool Linker::linkObject(S2WasmBuilder& builder) { } bool Linker::linkArchive(Archive& archive) { - for (auto child = archive.child_begin(), end = archive.child_end(); - child != end; ++child) { - Archive::SubBuffer memberBuf = child->getBuffer(); - // S2WasmBuilder expects its input to be NUL-terminated. Archive members are - // not NUL-terminated. So we have to copy the contents out before parsing. - std::vector<char> memberString(memberBuf.len + 1); - memcpy(memberString.data(), memberBuf.data, memberBuf.len); - memberString[memberBuf.len] = '\0'; - S2WasmBuilder memberBuilder(memberString.data(), false); - auto* memberSymbols = memberBuilder.getSymbolInfo(); - for (const Name& symbol : memberSymbols->implementedFunctions) { - if (out.symbolInfo.undefinedFunctions.count(symbol)) { - if (!linkObject(memberBuilder)) return false; - break; + bool selected; + do { + selected = false; + for (auto child = archive.child_begin(), end = archive.child_end(); + child != end; ++child) { + Archive::SubBuffer memberBuf = child->getBuffer(); + // S2WasmBuilder expects its input to be NUL-terminated. Archive members + // are + // not NUL-terminated. So we have to copy the contents out before parsing. + std::vector<char> memberString(memberBuf.len + 1); + memcpy(memberString.data(), memberBuf.data, memberBuf.len); + memberString[memberBuf.len] = '\0'; + S2WasmBuilder memberBuilder(memberString.data(), false); + auto* memberSymbols = memberBuilder.getSymbolInfo(); + for (const Name& symbol : memberSymbols->implementedFunctions) { + if (out.symbolInfo.undefinedFunctions.count(symbol)) { + if (!linkObject(memberBuilder)) return false; + selected = true; + break; + } } } - } + // If we selected an archive member, it may depend on another archive member + // so continue to make passes over the members until no more are added. + } while (selected); return true; } |