- size_t i = 0, argc = psi_plist_count(strct->args), nels = 0, offset = 0,
- maxalign = 0, last_arg_pos = -1;
- struct psi_decl_arg *darg;
- jit_type_t *tmp;
-
- *fields = calloc(argc + 1, sizeof(*fields));
-
- while (psi_plist_get(strct->args, i++, &darg)) {
- jit_type_t type;
- size_t padding, alignment;
-
- if (darg->layout->pos == last_arg_pos) {
- /* skip bit fields */
- continue;
- }
- last_arg_pos = darg->layout->pos;
-
- type = jit_type_copy(psi_jit_decl_arg_type(darg));
-
- if ((alignment = jit_type_get_alignment(type)) > maxalign) {
- maxalign = alignment;
- }
-
- assert(jit_type_get_size(type) == darg->layout->len);
- if ((padding = psi_offset_padding(darg->layout->pos - offset, alignment))) {
- if (nels + padding > argc) {
- argc += padding;
- tmp = realloc(*fields, (argc + 1) * sizeof(*fields));
- if (tmp) {
- *fields = tmp;
- } else {
- free(*fields);
- return 0;
- }
- }
- psi_jit_struct_type_pad(&(*fields)[nels], padding);
- nels += padding;
- offset += padding;
- }
- assert(offset == darg->layout->pos);
-
- offset = (offset + darg->layout->len + alignment - 1)
- & ~(alignment - 1);
- (*fields)[nels++] = type;
- }
-
- /* apply struct alignment padding */
- offset = (offset + maxalign - 1) & ~(maxalign - 1);
-
- assert(offset <= strct->size);
- if (offset < strct->size) {
- nels += psi_jit_struct_type_pad(&(*fields)[nels], strct->size - offset);
- }