+ state.logged = true;
+ }
+ state.loaded = true;
+ return state.file->forEachAtom(handler);
+ }
+ }
+ //fprintf(stderr, "%s NOT found in archive %s\n", name, this->path());
+ return false;
+}
+
+class CheckIsDataSymbolHandler : public ld::File::AtomHandler
+{
+public:
+ CheckIsDataSymbolHandler(const char* n) : _name(n), _isData(false) {}
+ virtual void doAtom(const class ld::Atom& atom) {
+ if ( strcmp(atom.name(), _name) == 0 ) {
+ if ( atom.section().type() != ld::Section::typeCode )
+ _isData = true;
+ }
+ }
+ virtual void doFile(const class ld::File&) {}
+ bool symbolIsDataDefinition() { return _isData; }
+
+private:
+ const char* _name;
+ bool _isData;
+
+};
+
+template <typename A>
+bool File<A>::justInTimeDataOnlyforEachAtom(const char* name, ld::File::AtomHandler& handler) const
+{
+ // in force load case, all members already loaded
+ if ( _forceLoadAll || _forceLoadThis )
+ return false;
+
+ // do a hash search of table of contents looking for requested symbol
+ const struct ranlib* result = ranlibHashSearch(name);
+ if ( result != NULL ) {
+ const Entry* member = (Entry*)&_archiveFileContent[E::get32(result->ran_off)];
+ MemberState& state = this->makeObjectFileForMember(member);
+ // only call handler for each member once
+ if ( ! state.loaded ) {
+ CheckIsDataSymbolHandler checker(name);
+ state.file->forEachAtom(checker);
+ if ( checker.symbolIsDataDefinition() ) {
+ if ( _verboseLoad && !state.logged ) {
+ printf("%s forced load of %s(%s)\n", name, this->path(), member->name());
+ state.logged = true;
+ }
+ state.loaded = true;
+ return state.file->forEachAtom(handler);
+ }
projects / apple / ld64.git / blobdiff