/* Target-dependent code for FreeBSD/Alpha. Copyright 2001 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "defs.h" #include "value.h" int alphafbsd_use_struct_convention (int gcc_p, struct type *type) { enum type_code code; int i; /* All aggregate types that won't fit in a register must be returned in memory. */ if (TYPE_LENGTH (type) > REGISTER_SIZE) return 1; /* The only aggregate types that can be returned in a register are structs and unions. Arrays must be returned in memory. */ code = TYPE_CODE (type); if (code != TYPE_CODE_STRUCT && code != TYPE_CODE_UNION) return 1; /* We need to check if this struct/union is "integer" like. For this to be true, the offset of each adressable subfield must be zero. Note that bit fields are not addressable. */ for (i = 0; i < TYPE_NFIELDS (type); i++) { /* If the field bitsize is non-zero, it isn't adressable. */ if (TYPE_FIELD_BITPOS (type, i) != 0 && TYPE_FIELD_BITSIZE (type, i) == 0) return 1; } return 0; }