1 /* Host-dependent code for Apollo-68ks for GDB, the GNU debugger.
2 Copyright 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
32 fetch_inferior_registers (ignored
)
35 struct ptrace_$data_regs_m68k inferior_registers
;
36 struct ptrace_$floating_regs_m68k inferior_fp_registers
;
37 struct ptrace_$control_regs_m68k inferior_control_registers
;
39 ptrace_$
init_control(&inferior_control_registers
);
40 inferior_fp_registers
.size
= sizeof(inferior_fp_registers
);
44 ptrace (PTRACE_GETREGS
, inferior_pid
,
45 (PTRACE_ARG3_TYPE
) &inferior_registers
,
47 (PTRACE_ARG3_TYPE
) &inferior_registers
,
50 ptrace (PTRACE_GETREGS
, inferior_pid
,
51 (PTRACE_ARG3_TYPE
) &inferior_fp_registers
,
52 ptrace_$floating_set_m68k
,
53 (PTRACE_ARG3_TYPE
) &inferior_fp_registers
,
54 ptrace_$floating_set_m68k
);
56 ptrace (PTRACE_GETREGS
, inferior_pid
,
57 (PTRACE_ARG3_TYPE
) &inferior_control_registers
,
58 ptrace_$control_set_m68k
,
59 (PTRACE_ARG3_TYPE
) &inferior_control_registers
,
60 ptrace_$control_set_m68k
);
62 bcopy (&inferior_registers
, registers
, 16 * 4);
63 bcopy (&inferior_fp_registers
, ®isters
[REGISTER_BYTE (FP0_REGNUM
)],
64 sizeof inferior_fp_registers
.regs
);
65 *(int *)®isters
[REGISTER_BYTE (PS_REGNUM
)] = inferior_control_registers
.sr
;
66 *(int *)®isters
[REGISTER_BYTE (PC_REGNUM
)] = inferior_control_registers
.pc
;
69 /* Store our register values back into the inferior.
70 If REGNO is -1, do this for all registers.
71 Otherwise, REGNO specifies which register (so we can save time). */
74 store_inferior_registers (regno
)
77 struct ptrace_$data_regs_m68k inferior_registers
;
78 struct ptrace_$floating_regs_m68k inferior_fp_registers
;
79 struct ptrace_$control_regs_m68k inferior_control_registers
;
81 ptrace_$
init_control(&inferior_control_registers
);
82 inferior_fp_registers
.size
= sizeof(inferior_fp_registers
);
84 ptrace (PTRACE_GETREGS
, inferior_pid
,
85 (PTRACE_ARG3_TYPE
) &inferior_fp_registers
,
86 ptrace_$floating_set_m68k
,
87 (PTRACE_ARG3_TYPE
) &inferior_fp_registers
,
88 ptrace_$floating_set_m68k
);
90 ptrace (PTRACE_GETREGS
, inferior_pid
,
91 (PTRACE_ARG3_TYPE
) &inferior_control_registers
,
92 ptrace_$control_set_m68k
,
93 (PTRACE_ARG3_TYPE
) &inferior_control_registers
,
94 ptrace_$control_set_m68k
);
96 bcopy (registers
, &inferior_registers
, sizeof(inferior_registers
));
98 bcopy (®isters
[REGISTER_BYTE (FP0_REGNUM
)], inferior_fp_registers
.regs
,
99 sizeof inferior_fp_registers
.regs
);
101 inferior_control_registers
.sr
= *(int *)®isters
[REGISTER_BYTE (PS_REGNUM
)];
102 inferior_control_registers
.pc
= *(int *)®isters
[REGISTER_BYTE (PC_REGNUM
)];
104 ptrace (PTRACE_SETREGS
, inferior_pid
,
105 (PTRACE_ARG3_TYPE
) &inferior_registers
,
106 ptrace_$data_set_m68k
,
107 (PTRACE_ARG3_TYPE
) &inferior_registers
,
108 ptrace_$data_set_m68k
);
110 ptrace (PTRACE_SETREGS
, inferior_pid
,
111 (PTRACE_ARG3_TYPE
) &inferior_fp_registers
,
112 ptrace_$floating_set_m68k
,
113 (PTRACE_ARG3_TYPE
) &inferior_fp_registers
,
114 ptrace_$floating_set_m68k
);
116 ptrace (PTRACE_SETREGS
, inferior_pid
,
117 (PTRACE_ARG3_TYPE
) &inferior_control_registers
,
118 ptrace_$control_set_m68k
,
119 (PTRACE_ARG3_TYPE
) &inferior_control_registers
,
120 ptrace_$control_set_m68k
);