winedbg: Implement adjust_pc_for_break on ARM.
[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 unsigned be_alpha_is_step_over_insn(const void* insn)
58 {
59     dbg_printf("not done\n");
60     return FALSE;
61 }
62
63 static unsigned be_alpha_is_function_return(const void* insn)
64 {
65     dbg_printf("not done\n");
66     return FALSE;
67 }
68
69 static unsigned be_alpha_is_break_insn(const void* insn)
70 {
71     dbg_printf("not done\n");
72     return FALSE;
73 }
74
75 static unsigned be_alpha_is_func_call(const void* insn, ADDRESS64* callee)
76 {
77     return FALSE;
78 }
79
80 static void be_alpha_disasm_one_insn(ADDRESS64* addr, int display)
81 {
82     dbg_printf("Disasm NIY\n");
83 }
84
85 static unsigned be_alpha_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
86                                        CONTEXT* ctx, enum be_xpoint_type type,
87                                        void* addr, unsigned long* val, unsigned size)
88 {
89     unsigned long       xbp;
90     SIZE_T              sz;
91
92     switch (type)
93     {
94     case be_xpoint_break:
95         if (!size) return 0;
96         if (!pio->read(hProcess, addr, val, 4, &sz) || sz != 4) return 0;
97         xbp = 0x7d821008; /* 7d 82 10 08 ... in big endian */
98         if (!pio->write(hProcess, addr, &xbp, 4, &sz) || sz != 4) return 0;
99         break;
100     default:
101         dbg_printf("Unknown/unsupported bp type %c\n", type);
102         return 0;
103     }
104     return 1;
105 }
106
107 static unsigned be_alpha_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
108                                        CONTEXT* ctx, enum be_xpoint_type type, 
109                                        void* addr, unsigned long val, unsigned size)
110 {
111     dbg_printf("not done\n");
112     return FALSE;
113 }
114
115 static unsigned be_alpha_is_watchpoint_set(const CONTEXT* ctx, unsigned idx)
116 {
117     dbg_printf("not done\n");
118     return FALSE;
119 }
120
121 static void be_alpha_clear_watchpoint(CONTEXT* ctx, unsigned idx)
122 {
123     dbg_printf("not done\n");
124 }
125
126 static int be_alpha_adjust_pc_for_break(CONTEXT* ctx, BOOL way)
127 {
128     dbg_printf("not done\n");
129     return 0;
130 }
131
132 static int be_alpha_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
133                                   unsigned ext_sign, LONGLONG* ret)
134 {
135     dbg_printf("not done\n");
136     return FALSE;
137 }
138
139 static int be_alpha_fetch_float(const struct dbg_lvalue* lvalue, unsigned size, 
140                                 long double* ret)
141 {
142     dbg_printf("not done\n");
143     return FALSE;
144 }
145
146 struct backend_cpu be_alpha =
147 {
148     IMAGE_FILE_MACHINE_ALPHA,
149     8,
150     be_cpu_linearize,
151     be_cpu_build_addr,
152     be_alpha_get_addr,
153     be_alpha_get_register_info,
154     be_alpha_single_step,
155     be_alpha_print_context,
156     be_alpha_print_segment_info,
157     be_alpha_ctx,
158     be_alpha_is_step_over_insn,
159     be_alpha_is_function_return,
160     be_alpha_is_break_insn,
161     be_alpha_is_func_call,
162     be_alpha_disasm_one_insn,
163     be_alpha_insert_Xpoint,
164     be_alpha_remove_Xpoint,
165     be_alpha_is_watchpoint_set,
166     be_alpha_clear_watchpoint,
167     be_alpha_adjust_pc_for_break,
168     be_alpha_fetch_integer,
169     be_alpha_fetch_float,
170 };
171 #endif