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