1 /* Target-dependent code for FreeBSD/Alpha.
2 Copyright 2001, 2002 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
24 #include "alpha-tdep.h"
27 alphafbsd_use_struct_convention (int gcc_p
, struct type
*type
)
32 /* All aggregate types that won't fit in a register must be returned
34 if (TYPE_LENGTH (type
) > REGISTER_SIZE
)
37 /* The only aggregate types that can be returned in a register are
38 structs and unions. Arrays must be returned in memory. */
39 code
= TYPE_CODE (type
);
40 if (code
!= TYPE_CODE_STRUCT
&& code
!= TYPE_CODE_UNION
)
43 /* We need to check if this struct/union is "integer" like. For
44 this to be true, the offset of each adressable subfield must be
45 zero. Note that bit fields are not addressable. */
46 for (i
= 0; i
< TYPE_NFIELDS (type
); i
++)
48 /* If the field bitsize is non-zero, it isn't adressable. */
49 if (TYPE_FIELD_BITPOS (type
, i
) != 0
50 && TYPE_FIELD_BITSIZE (type
, i
) == 0)
58 alphafbsd_pc_in_sigtramp (CORE_ADDR pc
, char *func_name
)
65 alphafbsd_init_abi (struct gdbarch_info info
,
66 struct gdbarch
*gdbarch
)
68 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
70 set_gdbarch_pc_in_sigtramp (gdbarch
, alphafbsd_pc_in_sigtramp
);
72 set_gdbarch_use_struct_convention (gdbarch
, alphafbsd_use_struct_convention
);
75 tdep
->jb_elt_size
= 8;
79 _initialize_alphafbsd_tdep (void)
81 gdbarch_register_osabi (bfd_arch_alpha
, GDB_OSABI_FREEBSD_ELF
,