old-cross-binutils/gdb/alphafbsd-tdep.c

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/* Target-dependent code for FreeBSD/Alpha.
Copyright 2001, 2002, 2003 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"
#include "osabi.h"
#include "alpha-tdep.h"
static 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. */
2003-05-03 Andrew Cagney <cagney@redhat.com> * gdbarch.sh (DEPRECATED_REGISTER_SIZE): Rename REGISTER_SIZE. (DEPRECATED_SIZEOF_CALL_DUMMY_WORDS): Rename SIZEOF_CALL_DUMMY_WORDS. (DEPRECATED_CALL_DUMMY_WORDS): Rename CALL_DUMMY_WORDS. (DEPRECATED_FIX_CALL_DUMMY): Rename FIX_CALL_DUMMY. (DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET): Rename CALL_DUMMY_BREAKPOINT_OFFSET. (DEPRECATED_CALL_DUMMY_START_OFFSET): Rename CALL_DUMMY_START_OFFSET. (DEPRECATED_CALL_DUMMY_LENGTH): Rename CALL_DUMMY_LENGTH. * gdbarch.h, gdbarch.c: Re-generate. * alpha-tdep.c, alphafbsd-tdep.c, arm-linux-tdep.c: Update. * arm-tdep.c, avr-tdep.c, breakpoint.c, cris-tdep.c: Update. * dummy-frame.c, dummy-frame.h, frv-tdep.c, gdbarch.c: Update. * gdbarch.h, gdbarch.sh, h8300-tdep.c, hppa-tdep.c: Update. * i386-tdep.c, ia64-tdep.c, infcall.c, inferior.h: Update. * m68hc11-tdep.c, m68k-tdep.c, mcore-tdep.c: Update. * mips-tdep.c, mn10300-tdep.c, ns32k-tdep.c: Update. * rs6000-tdep.c, s390-tdep.c, sh-tdep.c, sol-thread.c: Update. * sparc-tdep.c, target.c, v850-tdep.c, valops.c: Update. * vax-tdep.c, x86-64-tdep.c, xstormy16-tdep.c: Update. * config/ia64/tm-ia64.h, config/m68k/tm-vx68.h: Update. * config/mips/tm-mips.h, config/pa/nm-hppah.h: Update. * config/pa/tm-hppa.h, config/pa/tm-hppa64.h: Update. * config/s390/tm-s390.h, config/sparc/tm-sp64.h: Update. * config/sparc/tm-sparc.h: Update. Index: doc/ChangeLog 2003-05-03 Andrew Cagney <cagney@redhat.com> * gdbint.texinfo (Target Architecture Definition): Make CALL_DUMMY_WORDS, SIZEOF_CALL_DUMMY_WORDS, CALL_DUMMY_LENGTH, FIX_CALL_DUMMY, CALL_DUMMY_BREAKPOINT_OFFSET and CALL_DUMMY_BREAKPOINT_OFFSET deprecated. Index: mi/ChangeLog 2003-05-03 Andrew Cagney <cagney@redhat.com> * mi-main.c (mi_cmd_data_write_register_values): Replace REGISTER_SIZE with DEPRECATED_REGISTER_SIZE. Index: testsuite/ChangeLog 2003-05-03 Andrew Cagney <cagney@redhat.com> * gdb.base/watchpoint.exp: Rename CALL_DUMMY_BREAKPOINT_OFFSET to DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET in comments.
2003-05-05 17:56:57 +00:00
if (TYPE_LENGTH (type) > DEPRECATED_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;
}
static int
alphafbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
{
/* FIXME */
return 0;
}
static void
alphafbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Hook into the DWARF CFI frame unwinder. */
alpha_dwarf2_init_abi (info, gdbarch);
/* Hook into the MDEBUG frame unwinder. */
alpha_mdebug_init_abi (info, gdbarch);
set_gdbarch_pc_in_sigtramp (gdbarch, alphafbsd_pc_in_sigtramp);
set_gdbarch_use_struct_convention (gdbarch, alphafbsd_use_struct_convention);
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
}
void
_initialize_alphafbsd_tdep (void)
{
* osabi.c: Include "gdb_assert.h" and "gdb_string.h". (struct gdb_osabi_handler): Remove member `arch'. Add member `arch_info'. (gdbarch_register_osabi): Add new argument `machine'. Use ot to construct a `struct bfd_arch_info' and store it in the `struct gdb_osabi_handler' that is created. (gdbarch_init_osabi): Check for compatibility based on machine type and architecture. * osabi.h (gdbarch_register_osabi): Adjust prototype and update comment. * alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Add 0 as second argument in call to 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. * arm-linux-tdep.c (_initialize_arm_linux_tdep): Likewise. * arm-tdep.c (_initialize_arm_tdep): Likewise. * armnbsd-tdep.c (_initialize_armnbsd_tdep): Likewise. * hppa-hpux-tdep.c (_initialize_hppa_hpux_tdep): Likewise. * i386-interix-tdep.c (_initialize_i386_interix_tdep): Likewise. * i386-linux-tdep.c (_initialize_i386_linux_tdep): Likewise. * i386-sol2-tdep.c (_initialize_i386_sol2_tdep): Likewise. * i386-tdep.c (_initialize_i386_tdep): Likewise. * i386bsd-tdep.c (_initialize_i386bsd_tdep): Likewise. * i386gnu-tdep.c (_initialize_i386gnu_tdep): Likewise. * i386ly-tdep.c (_initialize_i386lynx_tdep): Renamed from _initialize_i386bsd_tdep and updated likewise. * i386nbsd-tdep.c (_initialize_i386nbsd_tdep): Likewise. * i386obsd-tdep.c (_initialize_i386obsd_tdep): Likewise. * mips-irix-tdep.c (_initialize_mips_irix_tdep): Likewise. * mips-linux-tdep.c (_initialize_mips_linux_tdep): Likewise. * mipsnbsd-tdep.c (_initialize_mipsnbsd__tdep): Likewise. * ns32knbsd-tdep.c (_initialize_ns32kmnsd_tdep): Likewise. * ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Likewise. * ppcnbsd-tdep.c (_initialize_ppcnbsd_tdep): Likewise. * shnbsd-tdep.c (_initialize_shnbsd_tdep): Likewise. * sparcnbsd-tdep.c (_initialize_sparcnbsd_tdep): Likewise.
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gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_FREEBSD_ELF,
* 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 15:36:03 +00:00
alphafbsd_init_abi);
}