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[wine] / programs / winedbg / be_alpha.c
1 /*
2  * Debugger Alpha specific functions
3  *
4  * Copyright 2004 Vincent BĂ©ron
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