1 /* Target-dependent code for SuperH running NetBSD, for GDB.
2 Copyright 2002 Free Software Foundation, Inc.
3 Contributed by Wasabi Systems, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 #include "nbsd-tdep.h"
28 #include "shnbsd-tdep.h"
30 /* Convert an r0-r15 register number into an offset into a ptrace
31 register structure. */
32 static const int regmap
[] =
52 #define SIZEOF_STRUCT_REG (21 * 4)
55 shnbsd_supply_reg (char *regs
, int regno
)
59 if (regno
== PC_REGNUM
|| regno
== -1)
60 supply_register (PC_REGNUM
, regs
+ (0 * 4));
62 if (regno
== SR_REGNUM
|| regno
== -1)
63 supply_register (SR_REGNUM
, regs
+ (1 * 4));
65 if (regno
== PR_REGNUM
|| regno
== -1)
66 supply_register (PR_REGNUM
, regs
+ (2 * 4));
68 if (regno
== MACH_REGNUM
|| regno
== -1)
69 supply_register (MACH_REGNUM
, regs
+ (3 * 4));
71 if (regno
== MACL_REGNUM
|| regno
== -1)
72 supply_register (MACL_REGNUM
, regs
+ (4 * 4));
74 if ((regno
>= R0_REGNUM
&& regno
<= (R0_REGNUM
+ 15)) || regno
== -1)
76 for (i
= R0_REGNUM
; i
<= (R0_REGNUM
+ 15); i
++)
77 if (regno
== i
|| regno
== -1)
78 supply_register (i
, regs
+ regmap
[i
- R0_REGNUM
]);
83 shnbsd_fill_reg (char *regs
, int regno
)
87 if (regno
== PC_REGNUM
|| regno
== -1)
88 regcache_collect (PC_REGNUM
, regs
+ (0 * 4));
90 if (regno
== SR_REGNUM
|| regno
== -1)
91 regcache_collect (SR_REGNUM
, regs
+ (1 * 4));
93 if (regno
== PR_REGNUM
|| regno
== -1)
94 regcache_collect (PR_REGNUM
, regs
+ (2 * 4));
96 if (regno
== MACH_REGNUM
|| regno
== -1)
97 regcache_collect (MACH_REGNUM
, regs
+ (3 * 4));
99 if (regno
== MACL_REGNUM
|| regno
== -1)
100 regcache_collect (MACL_REGNUM
, regs
+ (4 * 4));
102 if ((regno
>= R0_REGNUM
&& regno
<= (R0_REGNUM
+ 15)) || regno
== -1)
104 for (i
= R0_REGNUM
; i
<= (R0_REGNUM
+ 15); i
++)
105 if (regno
== i
|| regno
== -1)
106 regcache_collect (i
, regs
+ regmap
[i
- R0_REGNUM
]);
111 fetch_core_registers (char *core_reg_sect
, unsigned core_reg_size
,
112 int which
, CORE_ADDR ignore
)
114 /* We get everything from the .reg section. */
118 if (core_reg_size
< SIZEOF_STRUCT_REG
)
120 warning ("Wrong size register set in core file.");
124 /* Integer registers. */
125 shnbsd_supply_reg (core_reg_sect
, -1);
129 fetch_elfcore_registers (char *core_reg_sect
, unsigned core_reg_size
,
130 int which
, CORE_ADDR ignore
)
134 case 0: /* Integer registers. */
135 if (core_reg_size
!= SIZEOF_STRUCT_REG
)
136 warning ("Wrong size register set in core file.");
138 shnbsd_supply_reg (core_reg_sect
, -1);
142 /* Don't know what kind of register request this is; just ignore it. */
147 static struct core_fns shnbsd_core_fns
=
149 bfd_target_unknown_flavour
, /* core_flavour */
150 default_check_format
, /* check_format */
151 default_core_sniffer
, /* core_sniffer */
152 fetch_core_registers
, /* core_read_registers */
156 static struct core_fns shnbsd_elfcore_fns
=
158 bfd_target_elf_flavour
, /* core_flavour */
159 default_check_format
, /* check_format */
160 default_core_sniffer
, /* core_sniffer */
161 fetch_elfcore_registers
, /* core_read_registers */
166 shnbsd_init_abi (struct gdbarch_info info
,
167 struct gdbarch
*gdbarch
)
169 set_solib_svr4_fetch_link_map_offsets (gdbarch
,
170 nbsd_ilp32_solib_svr4_fetch_link_map_offsets
);
174 _initialize_shnbsd_tdep (void)
176 add_core_fns (&shnbsd_core_fns
);
177 add_core_fns (&shnbsd_elfcore_fns
);
179 sh_gdbarch_register_os_abi (SH_OSABI_NETBSD_ELF
, shnbsd_init_abi
);