ulib/fidl/encoding.cpp

54     template <typename T> T* TypedAt(uint32_t offset) const {
55         return reinterpret_cast<T*>(bytes_ + offset);
86         // out-of-line offset by 8 to maintain the aligned-to-FIDL_ALIGNMENT
92         uint32_t offset = out_of_line_offset_;
93         if (add_overflow(offset, size, &offset) ||
94             add_overflow(offset, mask, &offset)) {
97         offset &= ~mask;
99         if (offset > num_bytes_) {
104         out_of_line_offset_ = offset;
109         Frame(const fidl_type_t* fidl_type, uint32_t offset) : offset(offset) {
155         Frame(const fidl::FidlCodedStruct* coded_struct, uint32_t offset) : offset(offset) {
161         Frame(const fidl::FidlCodedUnion* coded_union, uint32_t offset) : offset(offset) {
169               uint32_t offset)
170             : offset(offset) {
214         // A byte offset into bytes_;
215         uint32_t offset;
350             uint32_t field_offset = frame->offset + field.offset;
358             void** struct_ptr_ptr = TypedAt<void*>(frame->offset);
364                                        *struct_ptr_ptr, &frame->offset)) {
372             *frame = Frame(coded_struct, frame->offset);
376             fidl_union_tag_t union_tag = *TypedAt<fidl_union_tag_t>(frame->offset);
387             frame->offset += frame->union_state.data_offset;
388             *frame = Frame(member, frame->offset);
392             fidl_union_tag_t** union_ptr_ptr = TypedAt<fidl_union_tag_t*>(frame->offset);
398                                        &frame->offset)) {
406             *frame = Frame(coded_union, frame->offset);
416             uint32_t offset = frame->offset + element_offset;
417             if (!Push(Frame(element_type, offset))) {
424             fidl_string_t* string_ptr = TypedAt<fidl_string_t>(frame->offset);
441                                        &frame->offset)) {
451             zx_handle_t* handle_ptr = TypedAt<zx_handle_t>(frame->offset);
467             fidl_vector_t* vector_ptr = TypedAt<fidl_vector_t>(frame->offset);
487             if (!ClaimOutOfLineStorage(size, vector_ptr->data, &frame->offset)) {
496                                frame->vector_state.element_size, frame->offset);