1 /* Low level interface to HP800 running mach 4.0.
2 Copyright 1995, 2000, 2001 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"
29 #include <mach/message.h>
30 #include <mach/exception.h>
31 #include <mach_error.h>
36 * Fetch inferiors registers for gdb.
37 * REGNO specifies which (as gdb views it) register, -1 for all.
41 fetch_inferior_registers (int regno
)
44 thread_state_data_t state
;
45 unsigned int stateCnt
= TRACE_FLAVOR_SIZE
;
48 if (!MACH_PORT_VALID (current_thread
))
49 error ("fetch inferior registers: Invalid thread");
51 if (must_suspend_thread
)
52 setup_thread (current_thread
, 1);
54 ret
= thread_get_state (current_thread
,
59 if (ret
!= KERN_SUCCESS
)
60 warning ("fetch_inferior_registers: %s ",
61 mach_error_string (ret
));
64 for (index
= 0; index
< NUM_REGS
; index
++)
65 supply_register (index
, (void *) &state
[index
]);
68 if (must_suspend_thread
)
69 setup_thread (current_thread
, 0);
72 /* Store our register values back into the inferior.
73 * If REGNO is -1, do this for all registers.
74 * Otherwise, REGNO specifies which register
76 * On mach3 all registers are always saved in one call.
79 store_inferior_registers (int regno
)
82 thread_state_data_t state
;
83 unsigned int stateCnt
= TRACE_FLAVOR_SIZE
;
86 if (!MACH_PORT_VALID (current_thread
))
87 error ("store inferior registers: Invalid thread");
89 if (must_suspend_thread
)
90 setup_thread (current_thread
, 1);
92 /* Fetch the state of the current thread */
93 ret
= thread_get_state (current_thread
,
98 if (ret
!= KERN_SUCCESS
)
100 warning ("store_inferior_registers (get): %s",
101 mach_error_string (ret
));
102 if (must_suspend_thread
)
103 setup_thread (current_thread
, 0);
108 /* move gdb's registers to thread's state
110 * Since we save all registers anyway, save the ones
111 * that gdb thinks are valid (e.g. ignore the regno
114 if (regno
> 0 && regno
< NUM_REGS
)
116 memcpy (&state
[regno
], ®isters
[REGISTER_BYTE (regno
)],
117 REGISTER_RAW_SIZE (regno
));
121 for (index
= 0; index
< NUM_REGS
; index
++)
122 memcpy (&state
[index
], ®isters
[REGISTER_BYTE (index
)],
123 REGISTER_RAW_SIZE (index
));
124 /* state[index] = registers[REGISTER_BYTE (index)]; */
128 /* Write gdb's current view of register to the thread
130 ret
= thread_set_state (current_thread
,
135 if (ret
!= KERN_SUCCESS
)
136 warning ("store_inferior_registers (set): %s",
137 mach_error_string (ret
));
139 if (must_suspend_thread
)
140 setup_thread (current_thread
, 0);