1 /* Native-dependent code for HP PA-RISC BSD's.
3 Copyright 2004 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 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. */
26 #include <sys/types.h>
27 #include <sys/ptrace.h>
28 #include <machine/reg.h>
30 #include "hppa-tdep.h"
33 hppabsd_gregset_supplies_p (int regnum)
35 return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_PCOQ_TAIL_REGNUM);
38 /* Supply the general-purpose registers stored in GREGS to REGCACHE. */
41 hppabsd_supply_gregset (struct regcache *regcache, const void *gregs)
43 const char *regs = gregs;
46 for (regnum = HPPA_R1_REGNUM; regnum <= HPPA_R31_REGNUM; regnum++)
47 regcache_raw_supply (regcache, regnum, regs + regnum * 4);
49 regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
50 regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
51 regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
54 /* Collect the general-purpose registers from REGCACHE and store them
58 hppabsd_collect_gregset (const struct regcache *regcache,
59 void *gregs, int regnum)
64 for (i = HPPA_R1_REGNUM; i <= HPPA_R31_REGNUM; i++)
66 if (regnum == -1 || regnum == i)
67 regcache_raw_collect (regcache, i, regs + i * 4);
70 if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
71 regcache_raw_collect (regcache, HPPA_SAR_REGNUM, regs);
72 if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
73 regcache_raw_collect (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
74 if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
75 regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
79 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
80 for all registers (including the floating-point registers). */
83 fetch_inferior_registers (int regnum)
85 struct regcache *regcache = current_regcache;
87 if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
91 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
92 (PTRACE_ARG3_TYPE) ®s, 0) == -1)
93 perror_with_name ("Couldn't get registers");
95 hppabsd_supply_gregset (regcache, ®s);
99 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
100 this for all registers (including the floating-point registers). */
103 store_inferior_registers (int regnum)
105 if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
109 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
110 (PTRACE_ARG3_TYPE) ®s, 0) == -1)
111 perror_with_name ("Couldn't get registers");
113 hppabsd_collect_gregset (current_regcache, ®s, regnum);
115 if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
116 (PTRACE_ARG3_TYPE) ®s, 0) == -1)
117 perror_with_name ("Couldn't write registers");