1 /* Low level interface to HP800 running mach 4.0.
2 Copyright (C) 1995 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. */
23 #include "floatformat.h"
28 #include <mach/message.h>
29 #include <mach/exception.h>
30 #include <mach_error.h>
35 * Fetch inferiors registers for gdb.
36 * REGNO specifies which (as gdb views it) register, -1 for all.
40 fetch_inferior_registers (int regno)
43 thread_state_data_t state;
44 unsigned int stateCnt = TRACE_FLAVOR_SIZE;
47 if (!MACH_PORT_VALID (current_thread))
48 error ("fetch inferior registers: Invalid thread");
50 if (must_suspend_thread)
51 setup_thread (current_thread, 1);
53 ret = thread_get_state (current_thread,
58 if (ret != KERN_SUCCESS)
59 warning ("fetch_inferior_registers: %s ",
60 mach_error_string (ret));
63 for (index = 0; index < NUM_REGS; index++)
64 supply_register (index, (void *) &state[index]);
67 if (must_suspend_thread)
68 setup_thread (current_thread, 0);
71 /* Store our register values back into the inferior.
72 * If REGNO is -1, do this for all registers.
73 * Otherwise, REGNO specifies which register
75 * On mach3 all registers are always saved in one call.
78 store_inferior_registers (int regno)
81 thread_state_data_t state;
82 unsigned int stateCnt = TRACE_FLAVOR_SIZE;
85 if (!MACH_PORT_VALID (current_thread))
86 error ("store inferior registers: Invalid thread");
88 if (must_suspend_thread)
89 setup_thread (current_thread, 1);
91 /* Fetch the state of the current thread */
92 ret = thread_get_state (current_thread,
97 if (ret != KERN_SUCCESS)
99 warning ("store_inferior_registers (get): %s",
100 mach_error_string (ret));
101 if (must_suspend_thread)
102 setup_thread (current_thread, 0);
107 /* move gdb's registers to thread's state
109 * Since we save all registers anyway, save the ones
110 * that gdb thinks are valid (e.g. ignore the regno
113 if (regno > 0 && regno < NUM_REGS)
115 memcpy (&state[regno], ®isters[REGISTER_BYTE (regno)],
116 REGISTER_RAW_SIZE (regno));
120 for (index = 0; index < NUM_REGS; index++)
121 memcpy (&state[index], ®isters[REGISTER_BYTE (index)],
122 REGISTER_RAW_SIZE (index));
123 /* state[index] = registers[REGISTER_BYTE (index)]; */
127 /* Write gdb's current view of register to the thread
129 ret = thread_set_state (current_thread,
134 if (ret != KERN_SUCCESS)
135 warning ("store_inferior_registers (set): %s",
136 mach_error_string (ret));
138 if (must_suspend_thread)
139 setup_thread (current_thread, 0);