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* config/alpha/tm-fbsd.h: Update copyright.

Browse Source 
(USE_STRUCT_CONVENTION): Define in terms of
alphabsd_use_struct_convention.
* config/alpha/fbsd.mt (TDEPFILES): Add alphafbsd-tdep.c.
* alphafbsd-tdep.c: New file.
This commit is contained in:
Mark Kettenis 2001-01-25 18:41:23 +00:00
parent 388e1ff2e5
commit efd59e3f32
4 changed files with 69 additions and 2 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
2001-01-25 Mark Kettenis <kettenis@gnu.org>
* config/alpha/tm-fbsd.h: Update copyright.
(USE_STRUCT_CONVENTION): Define in terms of
alphabsd_use_struct_convention.
* config/alpha/fbsd.mt (TDEPFILES): Add alphafbsd-tdep.c.
* alphafbsd-tdep.c: New file.
2001-01-24 Fernando Nasser <fnasser@redhat.com>
* top.c (print_gdb_version): Update Copyright year.

53
gdb/alphafbsd-tdep.c Normal file
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@ -0,0 +1,53 @@
/* 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;
}

2
gdb/config/alpha/fbsd.mt
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@ -1,3 +1,3 @@
# Target: FreeBSD/Alpha
TDEPFILES= alpha-tdep.o
TDEPFILES= alpha-tdep.o alphafbsd-tdep.o
TM_FILE= tm-fbsd.h

8
gdb/config/alpha/tm-fbsd.h
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@ -1,5 +1,5 @@
/* Target-dependent definitions for FreeBSD/Alpha.
Copyright (C) 2000 Free Software Foundation, Inc.
Copyright 2000, 2001 Free Software Foundation, Inc.
This file is part of GDB.
@ -23,6 +23,12 @@
#include "alpha/tm-alpha.h"
/* FreeBSD uses the old gcc convention for struct returns. */
#undef USE_STRUCT_CONVENTION
#define USE_STRUCT_CONVENTION(gcc_p, type) \
alphafbsd_use_struct_convention (gcc_p, type)
/* Number of traps that happen between exec'ing the shell to run an
inferior, and when we finally get to the inferior code. The
default is right for FreeBSD. */