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,
19 Boston, MA 02111-1307, USA. */
33 fetch_inferior_registers (ignored)
36 struct ptrace_$data_regs_m68k inferior_registers;
37 struct ptrace_$floating_regs_m68k inferior_fp_registers;
38 struct ptrace_$control_regs_m68k inferior_control_registers;
40 ptrace_$init_control (&inferior_control_registers);
41 inferior_fp_registers.size = sizeof (inferior_fp_registers);
45 ptrace (PTRACE_GETREGS, inferior_pid,
46 (PTRACE_ARG3_TYPE) & inferior_registers,
48 (PTRACE_ARG3_TYPE) & inferior_registers,
51 ptrace (PTRACE_GETREGS, inferior_pid,
52 (PTRACE_ARG3_TYPE) & inferior_fp_registers,
53 ptrace_$floating_set_m68k,
54 (PTRACE_ARG3_TYPE) & inferior_fp_registers,
55 ptrace_$floating_set_m68k);
57 ptrace (PTRACE_GETREGS, inferior_pid,
58 (PTRACE_ARG3_TYPE) & inferior_control_registers,
59 ptrace_$control_set_m68k,
60 (PTRACE_ARG3_TYPE) & inferior_control_registers,
61 ptrace_$control_set_m68k);
63 bcopy (&inferior_registers, registers, 16 * 4);
64 bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
65 sizeof inferior_fp_registers.regs);
66 *(int *) ®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_control_registers.sr;
67 *(int *) ®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_control_registers.pc;
70 /* Store our register values back into the inferior.
71 If REGNO is -1, do this for all registers.
72 Otherwise, REGNO specifies which register (so we can save time). */
75 store_inferior_registers (regno)
78 struct ptrace_$data_regs_m68k inferior_registers;
79 struct ptrace_$floating_regs_m68k inferior_fp_registers;
80 struct ptrace_$control_regs_m68k inferior_control_registers;
82 ptrace_$init_control (&inferior_control_registers);
83 inferior_fp_registers.size = sizeof (inferior_fp_registers);
85 ptrace (PTRACE_GETREGS, inferior_pid,
86 (PTRACE_ARG3_TYPE) & inferior_fp_registers,
87 ptrace_$floating_set_m68k,
88 (PTRACE_ARG3_TYPE) & inferior_fp_registers,
89 ptrace_$floating_set_m68k);
91 ptrace (PTRACE_GETREGS, inferior_pid,
92 (PTRACE_ARG3_TYPE) & inferior_control_registers,
93 ptrace_$control_set_m68k,
94 (PTRACE_ARG3_TYPE) & inferior_control_registers,
95 ptrace_$control_set_m68k);
97 bcopy (registers, &inferior_registers, sizeof (inferior_registers));
99 bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.regs,
100 sizeof inferior_fp_registers.regs);
102 inferior_control_registers.sr = *(int *) ®isters[REGISTER_BYTE (PS_REGNUM)];
103 inferior_control_registers.pc = *(int *) ®isters[REGISTER_BYTE (PC_REGNUM)];
105 ptrace (PTRACE_SETREGS, inferior_pid,
106 (PTRACE_ARG3_TYPE) & inferior_registers,
107 ptrace_$data_set_m68k,
108 (PTRACE_ARG3_TYPE) & inferior_registers,
109 ptrace_$data_set_m68k);
111 ptrace (PTRACE_SETREGS, inferior_pid,
112 (PTRACE_ARG3_TYPE) & inferior_fp_registers,
113 ptrace_$floating_set_m68k,
114 (PTRACE_ARG3_TYPE) & inferior_fp_registers,
115 ptrace_$floating_set_m68k);
117 ptrace (PTRACE_SETREGS, inferior_pid,
118 (PTRACE_ARG3_TYPE) & inferior_control_registers,
119 ptrace_$control_set_m68k,
120 (PTRACE_ARG3_TYPE) & inferior_control_registers,
121 ptrace_$control_set_m68k);