760 }
761
762 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
763 // Load these early in case the resolve of the containing klass fails
764 Symbol* field = pool->name_ref_at(index);
765 Symbol* sig = pool->signature_ref_at(index);
766
767 // resolve specified klass
768 KlassHandle resolved_klass;
769 resolve_klass(resolved_klass, pool, index, CHECK);
770
771 KlassHandle current_klass(THREAD, pool->pool_holder());
772 resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK);
773 }
774
775 void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig,
776 KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class,
777 TRAPS) {
778 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic ||
779 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield ||
780 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
781
782 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
783 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic);
784
785 // Check if there's a resolved klass containing the field
786 if (resolved_klass.is_null()) {
787 ResourceMark rm(THREAD);
788 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
789 }
790
791 // Resolve instance field
792 KlassHandle sel_klass(THREAD, resolved_klass->find_field(field, sig, &fd));
793 // check if field exists; i.e., if a klass containing the field def has been selected
794 if (sel_klass.is_null()) {
795 ResourceMark rm(THREAD);
796 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
797 }
798
799 if (!check_access)
800 // Access checking may be turned off when calling from within the VM.
801 return;
802
803 // check access
804 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
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760 }
761
762 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
763 // Load these early in case the resolve of the containing klass fails
764 Symbol* field = pool->name_ref_at(index);
765 Symbol* sig = pool->signature_ref_at(index);
766
767 // resolve specified klass
768 KlassHandle resolved_klass;
769 resolve_klass(resolved_klass, pool, index, CHECK);
770
771 KlassHandle current_klass(THREAD, pool->pool_holder());
772 resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK);
773 }
774
775 void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig,
776 KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class,
777 TRAPS) {
778 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic ||
779 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield ||
780 byte == Bytecodes::_nofast_getfield || byte == Bytecodes::_nofast_putfield ||
781 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
782
783 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
784 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic || byte == Bytecodes::_nofast_putfield);
785 // Check if there's a resolved klass containing the field
786 if (resolved_klass.is_null()) {
787 ResourceMark rm(THREAD);
788 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
789 }
790
791 // Resolve instance field
792 KlassHandle sel_klass(THREAD, resolved_klass->find_field(field, sig, &fd));
793 // check if field exists; i.e., if a klass containing the field def has been selected
794 if (sel_klass.is_null()) {
795 ResourceMark rm(THREAD);
796 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
797 }
798
799 if (!check_access)
800 // Access checking may be turned off when calling from within the VM.
801 return;
802
803 // check access
804 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
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