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/tmp/gdb-7.10/gdb/shnbsd-tdep.c
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1 /* Target-dependent code for NetBSD/sh.
2 
3  Copyright (C) 2002-2015 Free Software Foundation, Inc.
4 
5  Contributed by Wasabi Systems, Inc.
6 
7  This file is part of GDB.
8 
9  This program is free software; you can redistribute it and/or modify
10  it under the terms of the GNU General Public License as published by
11  the Free Software Foundation; either version 3 of the License, or
12  (at your option) any later version.
13 
14  This program is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  GNU General Public License for more details.
18 
19  You should have received a copy of the GNU General Public License
20  along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 
22 #include "defs.h"
23 #include "gdbcore.h"
24 #include "regset.h"
25 #include "value.h"
26 #include "osabi.h"
27 
28 #include "sh-tdep.h"
29 #include "solib-svr4.h"
30 
31 /* Convert a register number into an offset into a ptrace
32  register structure. */
33 static const struct sh_corefile_regmap regmap[] =
34 {
35  {R0_REGNUM, 20 * 4},
36  {R0_REGNUM + 1, 19 * 4},
37  {R0_REGNUM + 2, 18 * 4},
38  {R0_REGNUM + 3, 17 * 4},
39  {R0_REGNUM + 4, 16 * 4},
40  {R0_REGNUM + 5, 15 * 4},
41  {R0_REGNUM + 6, 14 * 4},
42  {R0_REGNUM + 7, 13 * 4},
43  {R0_REGNUM + 8, 12 * 4},
44  {R0_REGNUM + 9, 11 * 4},
45  {R0_REGNUM + 10, 10 * 4},
46  {R0_REGNUM + 11, 9 * 4},
47  {R0_REGNUM + 12, 8 * 4},
48  {R0_REGNUM + 13, 7 * 4},
49  {R0_REGNUM + 14, 6 * 4},
50  {R0_REGNUM + 15, 5 * 4},
51  {PC_REGNUM, 0 * 4},
52  {SR_REGNUM, 1 * 4},
53  {PR_REGNUM, 2 * 4},
54  {MACH_REGNUM, 3 * 4},
55  {MACL_REGNUM, 4 * 4},
56  {-1 /* Terminator. */, 0}
57 };
58 
59 
60 static void
62  struct gdbarch *gdbarch)
63 {
64  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
65 
66  tdep->core_gregmap = (struct sh_corefile_regmap *)regmap;
67  tdep->sizeof_gregset = 84;
68 
71 }
72 
73 
74 /* OpenBSD uses uses the traditional NetBSD core file format, even for
75  ports that use ELF. */
76 #define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
77 
78 static enum gdb_osabi
80 {
81  if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
82  return GDB_OSABI_NETBSD_CORE;
83 
84  return GDB_OSABI_UNKNOWN;
85 }
86 
87 /* Provide a prototype to silence -Wmissing-prototypes. */
89 
90 void
92 {
93  /* BFD doesn't set a flavour for NetBSD style a.out core files. */
94  gdbarch_register_osabi_sniffer (bfd_arch_sh, bfd_target_unknown_flavour,
96 
101 }
static void shnbsd_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch)
Definition: shnbsd-tdep.c:61
initialize_file_ftype _initialize_shnbsd_tdep
struct sh_corefile_regmap * core_gregmap
Definition: sh-tdep.h:97
void gdbarch_register_osabi_sniffer(enum bfd_architecture arch, enum bfd_flavour flavour, enum gdb_osabi(*sniffer_fn)(bfd *))
Definition: osabi.c:225
struct link_map_offsets * svr4_ilp32_fetch_link_map_offsets(void)
Definition: solib-svr4.c:3149
struct gdbarch_tdep * gdbarch_tdep(struct gdbarch *gdbarch)
Definition: gdbarch.c:1402
void initialize_file_ftype(void)
Definition: defs.h:281
void set_solib_svr4_fetch_link_map_offsets(struct gdbarch *gdbarch, struct link_map_offsets *(*flmo)(void))
Definition: solib-svr4.c:3108
static enum gdb_osabi shnbsd_core_osabi_sniffer(bfd *abfd)
Definition: shnbsd-tdep.c:79
#define GDB_OSABI_NETBSD_CORE
Definition: shnbsd-tdep.c:76
size_t sizeof_gregset
Definition: i386-tdep.h:61
void gdbarch_register_osabi(enum bfd_architecture arch, unsigned long machine, enum gdb_osabi osabi, void(*init_osabi)(struct gdbarch_info, struct gdbarch *))
Definition: osabi.c:148
gdb_osabi
Definition: defs.h:540