bool
ModuleGenerator::finishFuncExports()
{
// ModuleGenerator::exportedFuncs_ is an unordered HashSet. The
// FuncExportVector stored in Metadata needs to be stored sorted by
// function index to allow O(log(n)) lookup at runtime.
Uint32Vector funcIndices;
if (!funcIndices.reserve(exportedFuncs_.count()))
return false;
for (Uint32Set::Range r = exportedFuncs_.all(); !r.empty(); r.popFront())
funcIndices.infallibleAppend(r.front());
std::sort(funcIndices.begin(), funcIndices.end());
MOZ_ASSERT(metadata_->funcExports.empty());
if (!metadata_->funcExports.reserve(exportedFuncs_.count()))
return false;
for (uint32_t funcIndex : funcIndices) {
Sig sig;
if (!sig.clone(funcSig(funcIndex)))
return false;
metadata_->funcExports.infallibleEmplaceBack(Move(sig),
funcIndex,
funcIndexToCodeRange_[funcIndex]);
}
return true;
}
bool
ModuleGenerator::finishFuncExports()
{
// In addition to all the functions that were explicitly exported, any
// element of an exported table is also exported.
for (ElemSegment& elems : elemSegments_) {
if (shared_->tables[elems.tableIndex].external) {
for (uint32_t funcIndex : elems.elemFuncIndices) {
if (!exportedFuncs_.put(funcIndex))
return false;
}
}
}
// ModuleGenerator::exportedFuncs_ is an unordered HashSet. The
// FuncExportVector stored in Metadata needs to be stored sorted by
// function index to allow O(log(n)) lookup at runtime.
Uint32Vector sorted;
if (!sorted.reserve(exportedFuncs_.count()))
return false;
for (Uint32Set::Range r = exportedFuncs_.all(); !r.empty(); r.popFront())
sorted.infallibleAppend(r.front());
std::sort(sorted.begin(), sorted.end());
MOZ_ASSERT(metadata_->funcExports.empty());
if (!metadata_->funcExports.reserve(sorted.length()))
return false;
for (uint32_t funcIndex : sorted) {
Sig sig;
if (!sig.clone(funcSig(funcIndex)))
return false;
uint32_t codeRangeIndex = funcToCodeRange_[funcIndex];
metadata_->funcExports.infallibleEmplaceBack(Move(sig), funcIndex, codeRangeIndex);
}
return true;
}