Commit | Line | Data |
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c906108c SS |
1 | /* Low level interface to HP800 running mach 4.0. |
2 | Copyright (C) 1995 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
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. | |
c906108c | 10 | |
c5aa993b JM |
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. | |
c906108c | 15 | |
c5aa993b JM |
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. */ | |
c906108c SS |
20 | |
21 | #include "defs.h" | |
22 | #include "inferior.h" | |
23 | #include "floatformat.h" | |
24 | ||
25 | #include <stdio.h> | |
26 | ||
27 | #include <mach.h> | |
28 | #include <mach/message.h> | |
29 | #include <mach/exception.h> | |
30 | #include <mach_error.h> | |
31 | ||
32 | #include <target.h> | |
33 | ||
34 | /* | |
35 | * Fetch inferiors registers for gdb. | |
36 | * REGNO specifies which (as gdb views it) register, -1 for all. | |
37 | */ | |
38 | ||
39 | void | |
40 | fetch_inferior_registers (regno) | |
41 | int regno; | |
42 | { | |
43 | kern_return_t ret; | |
44 | thread_state_data_t state; | |
45 | unsigned int stateCnt = TRACE_FLAVOR_SIZE; | |
46 | int index; | |
c5aa993b JM |
47 | |
48 | if (!MACH_PORT_VALID (current_thread)) | |
c906108c SS |
49 | error ("fetch inferior registers: Invalid thread"); |
50 | ||
51 | if (must_suspend_thread) | |
52 | setup_thread (current_thread, 1); | |
53 | ||
54 | ret = thread_get_state (current_thread, | |
55 | TRACE_FLAVOR, | |
56 | state, | |
57 | &stateCnt); | |
58 | ||
59 | if (ret != KERN_SUCCESS) | |
60 | warning ("fetch_inferior_registers: %s ", | |
61 | mach_error_string (ret)); | |
62 | else | |
63 | { | |
c5aa993b JM |
64 | for (index = 0; index < NUM_REGS; index++) |
65 | supply_register (index, (void *) &state[index]); | |
c906108c SS |
66 | } |
67 | ||
68 | if (must_suspend_thread) | |
69 | setup_thread (current_thread, 0); | |
70 | } | |
71 | \f | |
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 | |
75 | * | |
76 | * On mach3 all registers are always saved in one call. | |
77 | */ | |
78 | void | |
79 | store_inferior_registers (regno) | |
80 | int regno; | |
81 | { | |
82 | kern_return_t ret; | |
83 | thread_state_data_t state; | |
84 | unsigned int stateCnt = TRACE_FLAVOR_SIZE; | |
85 | register int index; | |
86 | ||
c5aa993b | 87 | if (!MACH_PORT_VALID (current_thread)) |
c906108c SS |
88 | error ("store inferior registers: Invalid thread"); |
89 | ||
90 | if (must_suspend_thread) | |
91 | setup_thread (current_thread, 1); | |
92 | ||
93 | /* Fetch the state of the current thread */ | |
94 | ret = thread_get_state (current_thread, | |
95 | TRACE_FLAVOR, | |
96 | state, | |
97 | &stateCnt); | |
98 | ||
c5aa993b | 99 | if (ret != KERN_SUCCESS) |
c906108c SS |
100 | { |
101 | warning ("store_inferior_registers (get): %s", | |
102 | mach_error_string (ret)); | |
103 | if (must_suspend_thread) | |
104 | setup_thread (current_thread, 0); | |
105 | return; | |
106 | } | |
107 | ||
108 | ||
109 | /* move gdb's registers to thread's state | |
c5aa993b | 110 | |
c906108c SS |
111 | * Since we save all registers anyway, save the ones |
112 | * that gdb thinks are valid (e.g. ignore the regno | |
113 | * parameter) | |
114 | */ | |
c5aa993b | 115 | if (regno > 0 && regno < NUM_REGS) |
c906108c | 116 | { |
c5aa993b JM |
117 | memcpy (&state[regno], ®isters[REGISTER_BYTE (regno)], |
118 | REGISTER_RAW_SIZE (regno)); | |
c906108c SS |
119 | } |
120 | else | |
121 | { | |
c5aa993b JM |
122 | for (index = 0; index < NUM_REGS; index++) |
123 | memcpy (&state[index], ®isters[REGISTER_BYTE (index)], | |
124 | REGISTER_RAW_SIZE (index)); | |
125 | /* state[index] = registers[REGISTER_BYTE (index)]; */ | |
c906108c SS |
126 | |
127 | } | |
c5aa993b | 128 | |
c906108c SS |
129 | /* Write gdb's current view of register to the thread |
130 | */ | |
131 | ret = thread_set_state (current_thread, | |
132 | TRACE_FLAVOR, | |
133 | state, | |
134 | TRACE_FLAVOR_SIZE); | |
c5aa993b | 135 | |
c906108c SS |
136 | if (ret != KERN_SUCCESS) |
137 | warning ("store_inferior_registers (set): %s", | |
138 | mach_error_string (ret)); | |
139 | ||
140 | if (must_suspend_thread) | |
141 | setup_thread (current_thread, 0); | |
142 | } |