1 /* Target-dependent code for ARM BSD's.
3 Copyright (C) 2006-2018 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/>. */
27 /* Core file support. */
29 /* Sizeof `struct reg' in <machine/reg.h>. */
30 #define ARMBSD_SIZEOF_GREGS (17 * 4)
32 /* Sizeof `struct fpreg' in <machine/reg.h. */
33 #define ARMBSD_SIZEOF_FPREGS ((1 + (8 * 3)) * 4)
36 armbsd_fpreg_offset (int regnum)
38 if (regnum == ARM_FPS_REGNUM)
41 return 4 + (regnum - ARM_F0_REGNUM) * 12;
44 /* Supply register REGNUM from the buffer specified by FPREGS and LEN
45 in the floating-point register set REGSET to register cache
46 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
49 armbsd_supply_fpregset (const struct regset *regset,
50 struct regcache *regcache,
51 int regnum, const void *fpregs, size_t len)
53 const gdb_byte *regs = (const gdb_byte *) fpregs;
56 gdb_assert (len >= ARMBSD_SIZEOF_FPREGS);
58 for (i = ARM_F0_REGNUM; i <= ARM_FPS_REGNUM; i++)
60 if (regnum == i || regnum == -1)
61 regcache->raw_supply (i, regs + armbsd_fpreg_offset (i));
65 /* Supply register REGNUM from the buffer specified by GREGS and LEN
66 in the general-purpose register set REGSET to register cache
67 REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
70 armbsd_supply_gregset (const struct regset *regset,
71 struct regcache *regcache,
72 int regnum, const void *gregs, size_t len)
74 const gdb_byte *regs = (const gdb_byte *) gregs;
77 gdb_assert (len >= ARMBSD_SIZEOF_GREGS);
79 for (i = ARM_A1_REGNUM; i <= ARM_PC_REGNUM; i++)
81 if (regnum == i || regnum == -1)
82 regcache->raw_supply (i, regs + i * 4);
85 if (regnum == ARM_PS_REGNUM || regnum == -1)
86 regcache->raw_supply (i, regs + 16 * 4);
88 if (len >= ARMBSD_SIZEOF_GREGS + ARMBSD_SIZEOF_FPREGS)
90 regs += ARMBSD_SIZEOF_GREGS;
91 len -= ARMBSD_SIZEOF_GREGS;
92 armbsd_supply_fpregset (regset, regcache, regnum, regs, len);
96 /* ARM register sets. */
98 static const struct regset armbsd_gregset =
101 armbsd_supply_gregset,
106 static const struct regset armbsd_fpregset =
109 armbsd_supply_fpregset
112 /* Iterate over supported core file register note sections. */
115 armbsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
116 iterate_over_regset_sections_cb *cb,
118 const struct regcache *regcache)
120 cb (".reg", ARMBSD_SIZEOF_GREGS, ARMBSD_SIZEOF_GREGS, &armbsd_gregset, NULL,
122 cb (".reg2", ARMBSD_SIZEOF_FPREGS, ARMBSD_SIZEOF_FPREGS, &armbsd_fpregset,