1 /*
2 * Debugger Alpha specific functions
3 *
4 * Copyright 2004 Vincent Béron
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "debugger.h"
22
23 #if defined(__ALPHA__)
24
25 static unsigned be_alpha_get_addr(HANDLE hThread, const CONTEXT* ctx,
26 enum be_cpu_addr bca, ADDRESS64* addr)
27 {
28 dbg_printf("not done\n");
29 return FALSE;
30 }
31
32 static unsigned be_alpha_get_register_info(int regno, enum be_cpu_addr* kind)
33 {
34 dbg_printf("not done\n");
35 return FALSE;
36 }
37
38 static void be_alpha_single_step(CONTEXT* ctx, unsigned enable)
39 {
40 dbg_printf("not done\n");
41 }
42
43 static void be_alpha_print_context(HANDLE hThread, const CONTEXT* ctx, int all_regs)
44 {
45 dbg_printf("Context printing for Alpha not done yet\n");
46 }
47
48 static void be_alpha_print_segment_info(HANDLE hThread, const CONTEXT* ctx)
49 {
50 }
51
52 static struct dbg_internal_var be_alpha_ctx[] =
53 {
54 {0, NULL, 0, dbg_itype_none}
55 };
56
57 static const struct dbg_internal_var* be_alpha_init_registers(CONTEXT* ctx)
58 {
59 dbg_printf("not done\n");
60 return be_alpha_ctx;
61 }
62
63 static unsigned be_alpha_is_step_over_insn(void* insn)
64 {
65 dbg_printf("not done\n");
66 return FALSE;
67 }
68
69 static unsigned be_alpha_is_function_return(void* insn)
70 {
71 dbg_printf("not done\n");
72 return FALSE;
73 }
74
75 static unsigned be_alpha_is_break_insn(void* insn)
76 {
77 dbg_printf("not done\n");
78 return FALSE;
79 }
80
81 static unsigned be_alpha_is_func_call(void* insn, void** insn_callee)
82 {
83 return FALSE;
84 }
85
86 static void be_alpha_disasm_one_insn(ADDRESS64* addr, int display)
87 {
88 dbg_printf("Disasm NIY\n");
89 }
90
91 static unsigned be_alpha_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
92 CONTEXT* ctx, enum be_xpoint_type type,
93 void* addr, unsigned long* val, unsigned size)
94 {
95 unsigned long xbp;
96 SIZE_T sz;
97
98 switch (type)
99 {
100 case be_xpoint_break:
101 if (!size) return 0;
102 if (!pio->read(hProcess, addr, val, 4, &sz) || sz != 4) return 0;
103 xbp = 0x7d821008; /* 7d 82 10 08 ... in big endian */
104 if (!pio->write(hProcess, addr, &xbp, 4, &sz) || sz != 4) return 0;
105 break;
106 default:
107 dbg_printf("Unknown/unsupported bp type %c\n", type);
108 return 0;
109 }
110 return 1;
111 }
112
113 static unsigned be_alpha_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
114 CONTEXT* ctx, enum be_xpoint_type type,
115 void* addr, unsigned long val, unsigned size)
116 {
117 dbg_printf("not done\n");
118 return FALSE;
119 }
120
121 static unsigned be_alpha_is_watchpoint_set(const CONTEXT* ctx, unsigned idx)
122 {
123 dbg_printf("not done\n");
124 return FALSE;
125 }
126
127 static void be_alpha_clear_watchpoint(CONTEXT* ctx, unsigned idx)
128 {
129 dbg_printf("not done\n");
130 }
131
132 static int be_alpha_adjust_pc_for_break(CONTEXT* ctx, BOOL way)
133 {
134 dbg_printf("not done\n");
135 return 0;
136 }
137
138 static int be_alpha_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
139 unsigned ext_sign, LONGLONG* ret)
140 {
141 dbg_printf("not done\n");
142 return FALSE;
143 }
144
145 static int be_alpha_fetch_float(const struct dbg_lvalue* lvalue, unsigned size,
146 long double* ret)
147 {
148 dbg_printf("not done\n");
149 return FALSE;
150 }
151
152 struct backend_cpu be_alpha =
153 {
154 be_cpu_linearize,
155 be_cpu_build_addr,
156 be_alpha_get_addr,
157 be_alpha_get_register_info,
158 be_alpha_single_step,
159 be_alpha_print_context,
160 be_alpha_print_segment_info,
161 be_alpha_init_registers,
162 be_alpha_is_step_over_insn,
163 be_alpha_is_function_return,
164 be_alpha_is_break_insn,
165 be_alpha_is_func_call,
166 be_alpha_disasm_one_insn,
167 be_alpha_insert_Xpoint,
168 be_alpha_remove_Xpoint,
169 be_alpha_is_watchpoint_set,
170 be_alpha_clear_watchpoint,
171 be_alpha_adjust_pc_for_break,
172 be_alpha_fetch_integer,
173 be_alpha_fetch_float,
174 };
175 #endif
176
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