1 /* Native-dependent code for NetBSD/hppa.
3 Copyright (C) 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 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., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
26 #include <sys/types.h>
27 #include <sys/ptrace.h>
28 #include <machine/reg.h>
30 #include "hppa-tdep.h"
31 #include "inf-ptrace.h"
36 hppanbsd_gregset_supplies_p (int regnum
)
38 return ((regnum
>= HPPA_R0_REGNUM
&& regnum
<= HPPA_R31_REGNUM
) ||
39 (regnum
>= HPPA_SAR_REGNUM
&& regnum
<= HPPA_PCSQ_TAIL_REGNUM
) ||
40 regnum
== HPPA_IPSW_REGNUM
||
41 (regnum
>= HPPA_SR4_REGNUM
&& regnum
<= HPPA_SR4_REGNUM
+ 5));
45 hppanbsd_fpregset_supplies_p (int regnum
)
47 return (regnum
>= HPPA_FP0_REGNUM
&& regnum
<= HPPA_FP31R_REGNUM
);
50 /* Supply the general-purpose registers stored in GREGS to REGCACHE. */
53 hppanbsd_supply_gregset (struct regcache
*regcache
, const void *gregs
)
55 const char *regs
= gregs
;
59 for (regnum
= HPPA_R1_REGNUM
; regnum
<= HPPA_R31_REGNUM
; regnum
++)
60 regcache_raw_supply (regcache
, regnum
, regs
+ regnum
* 4);
62 regcache_raw_supply (regcache
, HPPA_SAR_REGNUM
, regs
+ 32 * 4);
63 regcache_raw_supply (regcache
, HPPA_PCSQ_HEAD_REGNUM
, regs
+ 33 * 4);
64 regcache_raw_supply (regcache
, HPPA_PCSQ_TAIL_REGNUM
, regs
+ 34 * 4);
65 regcache_raw_supply (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 35 * 4);
66 regcache_raw_supply (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 36 * 4);
67 regcache_raw_supply (regcache
, HPPA_IPSW_REGNUM
, regs
);
68 regcache_raw_supply (regcache
, HPPA_SR4_REGNUM
, regs
+ 41 * 4);
69 regcache_raw_supply (regcache
, HPPA_SR4_REGNUM
+ 1, regs
+ 37 * 4);
70 regcache_raw_supply (regcache
, HPPA_SR4_REGNUM
+ 2, regs
+ 38 * 4);
71 regcache_raw_supply (regcache
, HPPA_SR4_REGNUM
+ 3, regs
+ 39 * 4);
72 regcache_raw_supply (regcache
, HPPA_SR4_REGNUM
+ 4, regs
+ 40 * 4);
75 /* Supply the floating-point registers stored in FPREGS to REGCACHE. */
78 hppanbsd_supply_fpregset (struct regcache
*regcache
, const void *fpregs
)
80 const char *regs
= fpregs
;
83 for (regnum
= HPPA_FP0_REGNUM
; regnum
<= HPPA_FP31R_REGNUM
;
84 regnum
+= 2, regs
+= 8)
86 regcache_raw_supply (regcache
, regnum
, regs
);
87 regcache_raw_supply (regcache
, regnum
+ 1, regs
+ 4);
91 /* Collect the general-purpose registers from REGCACHE and store them
95 hppanbsd_collect_gregset (const struct regcache
*regcache
,
96 void *gregs
, int regnum
)
102 for (i
= HPPA_R1_REGNUM
; i
<= HPPA_R31_REGNUM
; i
++)
104 if (regnum
== -1 || regnum
== i
)
105 regcache_raw_collect (regcache
, i
, regs
+ i
* 4);
108 if (regnum
== -1 || regnum
== HPPA_IPSW_REGNUM
)
109 regcache_raw_collect (regcache
, HPPA_IPSW_REGNUM
, regs
);
110 if (regnum
== -1 || regnum
== HPPA_PCOQ_HEAD_REGNUM
)
111 regcache_raw_collect (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 35 * 4);
112 if (regnum
== -1 || regnum
== HPPA_PCOQ_TAIL_REGNUM
)
113 regcache_raw_collect (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 36 * 4);
115 if (regnum
== -1 || regnum
== HPPA_SAR_REGNUM
)
116 regcache_raw_collect (regcache
, HPPA_SAR_REGNUM
, regs
+ 32 * 4);
117 if (regnum
== -1 || regnum
== HPPA_PCSQ_HEAD_REGNUM
)
118 regcache_raw_collect (regcache
, HPPA_PCSQ_HEAD_REGNUM
, regs
+ 33 * 4);
119 if (regnum
== -1 || regnum
== HPPA_PCSQ_TAIL_REGNUM
)
120 regcache_raw_collect (regcache
, HPPA_PCSQ_TAIL_REGNUM
, regs
+ 34 * 4);
121 if (regnum
== -1 || regnum
== HPPA_PCOQ_HEAD_REGNUM
)
122 regcache_raw_collect (regcache
, HPPA_PCOQ_HEAD_REGNUM
, regs
+ 35 * 4);
123 if (regnum
== -1 || regnum
== HPPA_PCOQ_TAIL_REGNUM
)
124 regcache_raw_collect (regcache
, HPPA_PCOQ_TAIL_REGNUM
, regs
+ 36 * 4);
125 if (regnum
== -1 || regnum
== HPPA_IPSW_REGNUM
)
126 regcache_raw_collect (regcache
, HPPA_IPSW_REGNUM
, regs
);
127 if (regnum
== -1 || regnum
== HPPA_SR4_REGNUM
)
128 regcache_raw_collect (regcache
, HPPA_SR4_REGNUM
, regs
+ 41 * 4);
129 if (regnum
== -1 || regnum
== HPPA_SR4_REGNUM
+ 1)
130 regcache_raw_collect (regcache
, HPPA_SR4_REGNUM
+ 1, regs
+ 37 * 4);
131 if (regnum
== -1 || regnum
== HPPA_SR4_REGNUM
+ 2)
132 regcache_raw_collect (regcache
, HPPA_SR4_REGNUM
+ 2, regs
+ 38 * 4);
133 if (regnum
== -1 || regnum
== HPPA_SR4_REGNUM
+ 3)
134 regcache_raw_collect (regcache
, HPPA_SR4_REGNUM
+ 3, regs
+ 39 * 4);
135 if (regnum
== -1 || regnum
== HPPA_SR4_REGNUM
+ 4)
136 regcache_raw_collect (regcache
, HPPA_SR4_REGNUM
+ 4, regs
+ 40 * 4);
139 /* Collect the floating-point registers from REGCACHE and store them
143 hppanbsd_collect_fpregset (struct regcache
*regcache
,
144 void *fpregs
, int regnum
)
149 for (i
= HPPA_FP0_REGNUM
; i
<= HPPA_FP31R_REGNUM
; i
+= 2, regs
+= 8)
151 if (regnum
== -1 || regnum
== i
|| regnum
== i
+ 1)
153 regcache_raw_collect (regcache
, i
, regs
);
154 regcache_raw_collect (regcache
, i
+ 1, regs
+ 4);
160 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
161 for all registers (including the floating-point registers). */
164 hppanbsd_fetch_registers (struct regcache
*regcache
, int regnum
)
167 if (regnum
== -1 || hppanbsd_gregset_supplies_p (regnum
))
171 if (ptrace (PT_GETREGS
, PIDGET (inferior_ptid
),
172 (PTRACE_TYPE_ARG3
) ®s
, 0) == -1)
173 perror_with_name (_("Couldn't get registers"));
175 hppanbsd_supply_gregset (regcache
, ®s
);
178 if (regnum
== -1 || hppanbsd_fpregset_supplies_p (regnum
))
182 if (ptrace (PT_GETFPREGS
, PIDGET (inferior_ptid
),
183 (PTRACE_TYPE_ARG3
) &fpregs
, 0) == -1)
184 perror_with_name (_("Couldn't get floating point status"));
186 hppanbsd_supply_fpregset (regcache
, &fpregs
);
190 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
191 this for all registers (including the floating-point registers). */
194 hppanbsd_store_registers (struct regcache
*regcache
, int regnum
)
196 if (regnum
== -1 || hppanbsd_gregset_supplies_p (regnum
))
200 if (ptrace (PT_GETREGS
, PIDGET (inferior_ptid
),
201 (PTRACE_TYPE_ARG3
) ®s
, 0) == -1)
202 perror_with_name (_("Couldn't get registers"));
204 hppanbsd_collect_gregset (regcache
, ®s
, regnum
);
206 if (ptrace (PT_SETREGS
, PIDGET (inferior_ptid
),
207 (PTRACE_TYPE_ARG3
) ®s
, 0) == -1)
208 perror_with_name (_("Couldn't write registers"));
211 if (regnum
== -1 || hppanbsd_fpregset_supplies_p (regnum
))
215 if (ptrace (PT_GETFPREGS
, PIDGET (inferior_ptid
),
216 (PTRACE_TYPE_ARG3
) &fpregs
, 0) == -1)
217 perror_with_name (_("Couldn't get floating point status"));
219 hppanbsd_collect_fpregset (regcache
, &fpregs
, regnum
);
221 if (ptrace (PT_SETFPREGS
, PIDGET (inferior_ptid
),
222 (PTRACE_TYPE_ARG3
) &fpregs
, 0) == -1)
223 perror_with_name (_("Couldn't write floating point status"));
228 /* Provide a prototype to silence -Wmissing-prototypes. */
229 void _initialize_hppanbsd_nat (void);
232 _initialize_hppanbsd_nat (void)
234 struct target_ops
*t
;
236 /* Add some extra features to the ptrace target. */
237 t
= inf_ptrace_target ();
239 t
->to_fetch_registers
= hppanbsd_fetch_registers
;
240 t
->to_store_registers
= hppanbsd_store_registers
;
242 t
->to_pid_to_exec_file
= nbsd_pid_to_exec_file
;
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