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da8ca43db6
alphanbsd-tdep.c. (alphanbsd-nat.o): New dependency list. (alphanbsd-tdep.o): Ditto. * NEWS: Note new native NetBSD/alpha configuration. * alphanbsd-nat.c: New file. * alphanbsd-tdep.c: Ditto. * configure.host (alpha*-*-netbsd*): New host. * configure.tgt (alpha*-*-netbsd*): New target. * config/alpha/nbsd.mh: New file. * config/alpha/nbsd.mt: Ditto. * config/alpha/nm-nbsd.h: Ditto. * config/alpha/tm-nbsd.h: Ditto.
137 lines
3.8 KiB
C
137 lines
3.8 KiB
C
/* Native-dependent code for Alpha NetBSD.
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Copyright 2002 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, Inc.
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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 <sys/types.h>
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#include <machine/reg.h>
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#include <machine/frame.h>
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#include <machine/pcb.h>
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#include "gdbcore.h"
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#include "regcache.h"
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#include "alpha-tdep.h"
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#ifndef HAVE_GREGSET_T
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typedef struct reg gregset_t;
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#endif
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#ifndef HAVE_FPREGSET_T
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typedef struct fpreg fpregset_t;
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#endif
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#include "gregset.h"
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static void
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fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
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CORE_ADDR ignore)
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{
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struct md_coredump *core_reg;
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char *regs;
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int regno;
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/* Table to map a gdb register number to a trapframe register index. */
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static const int regmap[] =
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{
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FRAME_V0, FRAME_T0, FRAME_T1, FRAME_T2,
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FRAME_T3, FRAME_T4, FRAME_T5, FRAME_T6,
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FRAME_T7, FRAME_S0, FRAME_S1, FRAME_S2,
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FRAME_S3, FRAME_S4, FRAME_S5, FRAME_S6,
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FRAME_A0, FRAME_A1, FRAME_A2, FRAME_A3,
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FRAME_A4, FRAME_A5, FRAME_T8, FRAME_T9,
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FRAME_T10, FRAME_T11, FRAME_RA, FRAME_T12,
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FRAME_AT, FRAME_GP, FRAME_SP
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};
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/* We get everything from one section. */
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if (which != 0)
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return;
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core_reg = (struct md_coredump *) core_reg_sect;
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regs = (char *) &core_reg->md_tf;
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if (core_reg_size < sizeof (*core_reg))
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{
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warning ("Wrong size register set in core file.");
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return;
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}
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/* Integer registers. */
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for (regno = 0; regno < ALPHA_ZERO_REGNUM; regno++)
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supply_register (regno, regs + (regmap[regno] * 8));
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supply_register (ALPHA_ZERO_REGNUM, NULL);
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supply_register (FP_REGNUM, NULL);
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supply_register (PC_REGNUM, regs + (FRAME_PC * 8));
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/* Floating point registers. */
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supply_fpregset (&core_reg->md_fpstate);
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}
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static void
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fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
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CORE_ADDR ignore)
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{
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switch (which)
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{
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case 0: /* Integer registers. */
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if (core_reg_size != sizeof (struct reg))
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warning ("Wrong size register set in core file.");
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else
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supply_gregset ((gregset_t *) core_reg_sect);
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break;
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case 2: /* Floating point registers. */
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if (core_reg_size != sizeof (struct fpreg))
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warning ("Wrong size FP register set in core file.");
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else
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supply_fpregset ((fpregset_t *) core_reg_sect);
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break;
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default:
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/* Don't know what kind of register request this is; just ignore it. */
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break;
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}
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}
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static struct core_fns alphanbsd_core_fns =
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{
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bfd_target_unknown_flavour, /* core_flavour */
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default_check_format, /* check_format */
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default_core_sniffer, /* core_sniffer */
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fetch_core_registers, /* core_read_registers */
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NULL /* next */
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};
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static struct core_fns alphanbsd_elfcore_fns =
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{
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bfd_target_elf_flavour, /* core_flavour */
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default_check_format, /* check_format */
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default_core_sniffer, /* core_sniffer */
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fetch_elfcore_registers, /* core_read_registers */
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NULL /* next */
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};
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void
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_initialize_alphanbsd_nat (void)
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{
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add_core_fns (&alphanbsd_core_fns);
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add_core_fns (&alphanbsd_elfcore_fns);
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}
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