1 /* Target-dependent code for ARM BSD's.
3 Copyright (C) 2006, 2007, 2008 Free Software Foundation, 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 3 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, see <http://www.gnu.org/licenses/>. */
25 #include "gdb_assert.h"
26 #include "gdb_string.h"
30 /* Core file support. */
32 /* Sizeof `struct reg' in <machine/reg.h>. */
33 #define ARMBSD_SIZEOF_GREGS (17 * 4)
35 /* Sizeof `struct fpreg' in <machine/reg.h. */
36 #define ARMBSD_SIZEOF_FPREGS ((1 + (8 * 3)) * 4)
39 armbsd_fpreg_offset (int regnum
)
41 if (regnum
== ARM_FPS_REGNUM
)
44 return 4 + (regnum
- ARM_F0_REGNUM
) * 12;
47 /* Supply register REGNUM from the buffer specified by FPREGS and LEN
48 in the floating-point register set REGSET to register cache
49 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
52 armbsd_supply_fpregset (const struct regset
*regset
,
53 struct regcache
*regcache
,
54 int regnum
, const void *fpregs
, size_t len
)
56 const gdb_byte
*regs
= fpregs
;
59 gdb_assert (len
>= ARMBSD_SIZEOF_FPREGS
);
61 for (i
= ARM_F0_REGNUM
; i
<= ARM_FPS_REGNUM
; i
++)
63 if (regnum
== i
|| regnum
== -1)
64 regcache_raw_supply (regcache
, i
, regs
+ armbsd_fpreg_offset (i
));
68 /* Supply register REGNUM from the buffer specified by GREGS and LEN
69 in the general-purpose register set REGSET to register cache
70 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
73 armbsd_supply_gregset (const struct regset
*regset
,
74 struct regcache
*regcache
,
75 int regnum
, const void *gregs
, size_t len
)
77 const gdb_byte
*regs
= gregs
;
80 gdb_assert (len
>= ARMBSD_SIZEOF_GREGS
);
82 for (i
= ARM_A1_REGNUM
; i
<= ARM_PC_REGNUM
; i
++)
84 if (regnum
== i
|| regnum
== -1)
85 regcache_raw_supply (regcache
, i
, regs
+ i
* 4);
88 if (regnum
== ARM_PS_REGNUM
|| regnum
== -1)
89 regcache_raw_supply (regcache
, i
, regs
+ 16 * 4);
91 if (len
>= ARMBSD_SIZEOF_GREGS
+ ARMBSD_SIZEOF_FPREGS
)
93 regs
+= ARMBSD_SIZEOF_GREGS
;
94 len
-= ARMBSD_SIZEOF_GREGS
;
95 armbsd_supply_fpregset (regset
, regcache
, regnum
, regs
, len
);
99 /* ARM register sets. */
101 static struct regset armbsd_gregset
=
104 armbsd_supply_gregset
107 static struct regset armbsd_fpregset
=
110 armbsd_supply_fpregset
113 /* Return the appropriate register set for the core section identified
114 by SECT_NAME and SECT_SIZE. */
116 const struct regset
*
117 armbsd_regset_from_core_section (struct gdbarch
*gdbarch
,
118 const char *sect_name
, size_t sect_size
)
120 if (strcmp (sect_name
, ".reg") == 0 && sect_size
>= ARMBSD_SIZEOF_GREGS
)
121 return &armbsd_gregset
;
123 if (strcmp (sect_name
, ".reg2") == 0 && sect_size
>= ARMBSD_SIZEOF_FPREGS
)
124 return &armbsd_fpregset
;
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