Commit | Line | Data |
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69517000 AC |
1 | /* Low level interface to HP800 running mach 4.0 for GDB, the GNU |
2 | debugger. | |
3 | ||
4 | Copyright 1995, 2000, 2001, 2003 Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "inferior.h" | |
25 | #include "floatformat.h" | |
4e052eda | 26 | #include "regcache.h" |
c906108c SS |
27 | |
28 | #include <stdio.h> | |
29 | ||
30 | #include <mach.h> | |
31 | #include <mach/message.h> | |
32 | #include <mach/exception.h> | |
33 | #include <mach_error.h> | |
34 | ||
35 | #include <target.h> | |
36 | ||
37 | /* | |
38 | * Fetch inferiors registers for gdb. | |
39 | * REGNO specifies which (as gdb views it) register, -1 for all. | |
40 | */ | |
41 | ||
42 | void | |
fba45db2 | 43 | fetch_inferior_registers (int regno) |
c906108c SS |
44 | { |
45 | kern_return_t ret; | |
46 | thread_state_data_t state; | |
47 | unsigned int stateCnt = TRACE_FLAVOR_SIZE; | |
48 | int index; | |
c5aa993b JM |
49 | |
50 | if (!MACH_PORT_VALID (current_thread)) | |
c906108c SS |
51 | error ("fetch inferior registers: Invalid thread"); |
52 | ||
53 | if (must_suspend_thread) | |
54 | setup_thread (current_thread, 1); | |
55 | ||
56 | ret = thread_get_state (current_thread, | |
57 | TRACE_FLAVOR, | |
58 | state, | |
59 | &stateCnt); | |
60 | ||
61 | if (ret != KERN_SUCCESS) | |
62 | warning ("fetch_inferior_registers: %s ", | |
63 | mach_error_string (ret)); | |
64 | else | |
65 | { | |
c5aa993b JM |
66 | for (index = 0; index < NUM_REGS; index++) |
67 | supply_register (index, (void *) &state[index]); | |
c906108c SS |
68 | } |
69 | ||
70 | if (must_suspend_thread) | |
71 | setup_thread (current_thread, 0); | |
72 | } | |
73 | \f | |
74 | /* Store our register values back into the inferior. | |
75 | * If REGNO is -1, do this for all registers. | |
76 | * Otherwise, REGNO specifies which register | |
77 | * | |
78 | * On mach3 all registers are always saved in one call. | |
79 | */ | |
80 | void | |
fba45db2 | 81 | store_inferior_registers (int regno) |
c906108c SS |
82 | { |
83 | kern_return_t ret; | |
84 | thread_state_data_t state; | |
85 | unsigned int stateCnt = TRACE_FLAVOR_SIZE; | |
52f0bd74 | 86 | int index; |
c906108c | 87 | |
c5aa993b | 88 | if (!MACH_PORT_VALID (current_thread)) |
c906108c SS |
89 | error ("store inferior registers: Invalid thread"); |
90 | ||
91 | if (must_suspend_thread) | |
92 | setup_thread (current_thread, 1); | |
93 | ||
94 | /* Fetch the state of the current thread */ | |
95 | ret = thread_get_state (current_thread, | |
96 | TRACE_FLAVOR, | |
97 | state, | |
98 | &stateCnt); | |
99 | ||
c5aa993b | 100 | if (ret != KERN_SUCCESS) |
c906108c SS |
101 | { |
102 | warning ("store_inferior_registers (get): %s", | |
103 | mach_error_string (ret)); | |
104 | if (must_suspend_thread) | |
105 | setup_thread (current_thread, 0); | |
106 | return; | |
107 | } | |
108 | ||
109 | ||
110 | /* move gdb's registers to thread's state | |
c5aa993b | 111 | |
c906108c SS |
112 | * Since we save all registers anyway, save the ones |
113 | * that gdb thinks are valid (e.g. ignore the regno | |
114 | * parameter) | |
115 | */ | |
c5aa993b | 116 | if (regno > 0 && regno < NUM_REGS) |
c906108c | 117 | { |
62700349 | 118 | memcpy (&state[regno], &deprecated_registers[DEPRECATED_REGISTER_BYTE (regno)], |
12c266ea | 119 | DEPRECATED_REGISTER_RAW_SIZE (regno)); |
c906108c SS |
120 | } |
121 | else | |
122 | { | |
c5aa993b | 123 | for (index = 0; index < NUM_REGS; index++) |
62700349 | 124 | memcpy (&state[index], &deprecated_registers[DEPRECATED_REGISTER_BYTE (index)], |
12c266ea | 125 | DEPRECATED_REGISTER_RAW_SIZE (index)); |
62700349 | 126 | /* state[index] = deprecated_registers[DEPRECATED_REGISTER_BYTE (index)]; */ |
c906108c SS |
127 | |
128 | } | |
c5aa993b | 129 | |
c906108c SS |
130 | /* Write gdb's current view of register to the thread |
131 | */ | |
132 | ret = thread_set_state (current_thread, | |
133 | TRACE_FLAVOR, | |
134 | state, | |
135 | TRACE_FLAVOR_SIZE); | |
c5aa993b | 136 | |
c906108c SS |
137 | if (ret != KERN_SUCCESS) |
138 | warning ("store_inferior_registers (set): %s", | |
139 | mach_error_string (ret)); | |
140 | ||
141 | if (must_suspend_thread) | |
142 | setup_thread (current_thread, 0); | |
143 | } |