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1 | /* Target-dependent code for MItsubishi D10V, for GDB. |
2 | Copyright (C) 1996 Free Software Foundation, Inc. | |
3 | This file is part of GDB. | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | This program is distributed in the hope that it will be useful, | |
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | GNU General Public License for more details. | |
12 | You should have received a copy of the GNU General Public License | |
13 | along with this program; if not, write to the Free Software | |
14 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
15 | ||
16 | /* Contributed by Martin Hunt, hunt@cygnus.com */ | |
17 | ||
18 | #include "defs.h" | |
19 | #include "frame.h" | |
20 | #include "obstack.h" | |
21 | #include "symtab.h" | |
22 | #include "gdbtypes.h" | |
23 | #include "gdbcmd.h" | |
24 | #include "gdbcore.h" | |
25 | #include "value.h" | |
26 | #include "inferior.h" | |
27 | #include "dis-asm.h" | |
28 | ||
29 | void | |
30 | d10v_pop_frame () | |
31 | { | |
32 | } | |
33 | ||
34 | CORE_ADDR | |
35 | d10v_skip_prologue (start_pc) | |
36 | CORE_ADDR start_pc; | |
37 | { | |
38 | } | |
39 | ||
40 | CORE_ADDR | |
41 | d10v_frame_chain (frame) | |
42 | struct frame_info *frame; | |
43 | { | |
44 | if (!inside_entry_file (frame->pc)) | |
45 | return read_memory_integer (FRAME_FP (frame) + frame->f_offset, 4); | |
46 | else | |
47 | return 0; | |
48 | } | |
49 | ||
50 | /* Put here the code to store, into a struct frame_saved_regs, the | |
51 | addresses of the saved registers of frame described by FRAME_INFO. | |
52 | This includes special registers such as pc and fp saved in special | |
53 | ways in the stack frame. sp is even more special: the address we | |
54 | return for it IS the sp for the next frame. */ | |
55 | void | |
56 | d10v_frame_find_saved_regs (fi, fsr) | |
57 | struct frame_info *fi; | |
58 | struct frame_saved_regs *fsr; | |
59 | { | |
60 | } | |
61 | ||
62 | void | |
63 | d10v_init_extra_frame_info (fromleaf, fi) | |
64 | int fromleaf; | |
65 | struct frame_info *fi; | |
66 | { | |
67 | struct frame_saved_regs dummy; | |
68 | if (fi->next) | |
69 | fi->pc = fi->next->return_pc; | |
70 | d10v_frame_find_saved_regs (fi, &dummy); | |
71 | } | |
72 | ||
73 | static void | |
74 | show_regs (args, from_tty) | |
75 | char *args; | |
76 | int from_tty; | |
77 | { | |
78 | long long num1, num2; | |
79 | printf_filtered ("PC=%04x (0x%x) PSW=%04x RPT_S=%04x RPT_E=%04x RPT_C=%04x\n", | |
80 | read_register (PC_REGNUM), read_register (PC_REGNUM) << 2, | |
81 | read_register (PSW_REGNUM), | |
82 | read_register (24), | |
83 | read_register (25), | |
84 | read_register (23)); | |
85 | printf_filtered ("R0-R7 %04x %04x %04x %04x %04x %04x %04x %04x\n", | |
86 | read_register (0), | |
87 | read_register (1), | |
88 | read_register (2), | |
89 | read_register (3), | |
90 | read_register (4), | |
91 | read_register (5), | |
92 | read_register (6), | |
93 | read_register (7)); | |
94 | printf_filtered ("R8-R15 %04x %04x %04x %04x %04x %04x %04x %04x\n", | |
95 | read_register (8), | |
96 | read_register (9), | |
97 | read_register (10), | |
98 | read_register (11), | |
99 | read_register (12), | |
100 | read_register (13), | |
101 | read_register (14), | |
102 | read_register (15)); | |
103 | read_register_gen (A0_REGNUM, (char *)&num1); | |
104 | read_register_gen (A0_REGNUM+1, (char *)&num2); | |
105 | printf_filtered ("A0-A1 %010llx %010llx\n",num1, num2); | |
106 | } | |
107 | ||
108 | void | |
109 | _initialize_d10v_tdep () | |
110 | { | |
111 | struct cmd_list_element *c; | |
112 | tm_print_insn = print_insn_d10v; | |
113 | add_com ("regs", class_vars, show_regs, "Print all registers"); | |
114 | } | |
115 | ||
116 | CORE_ADDR | |
117 | d10v_read_register_pid (regno, pid) | |
118 | int regno, pid; | |
119 | { | |
120 | int save_pid; | |
121 | CORE_ADDR retval; | |
122 | ||
123 | if (pid == inferior_pid) | |
124 | return (read_register(regno)) << 2; | |
125 | ||
126 | save_pid = inferior_pid; | |
127 | inferior_pid = pid; | |
128 | retval = read_register (regno); | |
129 | inferior_pid = save_pid; | |
130 | return (retval << 2); | |
131 | } | |
132 | ||
133 | void | |
134 | d10v_write_register_pid (regno, val, pid) | |
135 | int regno; | |
136 | LONGEST val; | |
137 | int pid; | |
138 | { | |
139 | int save_pid; | |
140 | ||
141 | val >>= 2; | |
142 | ||
143 | if (pid == inferior_pid) | |
144 | { | |
145 | write_register (regno, val); | |
146 | return; | |
147 | } | |
148 | ||
149 | save_pid = inferior_pid; | |
150 | inferior_pid = pid; | |
151 | write_register (regno, val); | |
152 | inferior_pid = save_pid; | |
153 | } |