2001-01-25 19:41:23 +01:00
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/* Target-dependent code for FreeBSD/Alpha.
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2003-01-05 00:38:46 +01:00
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Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
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2001-01-25 19:41:23 +01:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "value.h"
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2003-01-05 00:38:46 +01:00
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#include "osabi.h"
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2001-01-25 19:41:23 +01:00
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2002-04-21 21:47:19 +02:00
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#include "alpha-tdep.h"
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static int
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2001-01-25 19:41:23 +01:00
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alphafbsd_use_struct_convention (int gcc_p, struct type *type)
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{
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enum type_code code;
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int i;
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/* All aggregate types that won't fit in a register must be returned
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in memory. */
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if (TYPE_LENGTH (type) > REGISTER_SIZE)
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return 1;
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/* The only aggregate types that can be returned in a register are
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structs and unions. Arrays must be returned in memory. */
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code = TYPE_CODE (type);
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if (code != TYPE_CODE_STRUCT && code != TYPE_CODE_UNION)
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return 1;
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/* We need to check if this struct/union is "integer" like. For
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this to be true, the offset of each adressable subfield must be
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zero. Note that bit fields are not addressable. */
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for (i = 0; i < TYPE_NFIELDS (type); i++)
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{
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/* If the field bitsize is non-zero, it isn't adressable. */
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if (TYPE_FIELD_BITPOS (type, i) != 0
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&& TYPE_FIELD_BITSIZE (type, i) == 0)
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return 1;
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}
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return 0;
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}
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2002-04-21 21:47:19 +02:00
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2002-04-25 07:06:08 +02:00
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static int
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alphafbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
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{
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/* FIXME */
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return 0;
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}
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2002-04-21 21:47:19 +02:00
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static void
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alphafbsd_init_abi (struct gdbarch_info info,
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struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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2002-04-25 07:06:08 +02:00
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set_gdbarch_pc_in_sigtramp (gdbarch, alphafbsd_pc_in_sigtramp);
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2002-04-21 21:47:19 +02:00
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set_gdbarch_use_struct_convention (gdbarch, alphafbsd_use_struct_convention);
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2002-04-26 03:08:19 +02:00
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tdep->jb_pc = 2;
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tdep->jb_elt_size = 8;
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2002-04-21 21:47:19 +02:00
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}
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void
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_initialize_alphafbsd_tdep (void)
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{
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2002-12-21 20:58:07 +01:00
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gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_FREEBSD_ELF,
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* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 17:36:03 +02:00
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alphafbsd_init_abi);
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2002-04-21 21:47:19 +02:00
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}
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