?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
include: Add more ARM64 CV constants.
[wine/multimedia.git] / programs / winedbg / be_arm64.c
blobb68daef5aaa945fa1e6275ab70695dc9fe8db430
1 /*
2 * Debugger ARM64 specific functions
3 *
4 * Copyright 2010-2013 André Hentschel
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(__aarch64__) && !defined(__AARCH64EB__)
24
25 static BOOL be_arm64_get_addr(HANDLE hThread, const CONTEXT* ctx,
26 enum be_cpu_addr bca, ADDRESS64* addr)
27 {
28 switch (bca)
29 {
30 case be_cpu_addr_pc:
31 return be_cpu_build_addr(hThread, ctx, addr, 0, ctx->Pc);
32 case be_cpu_addr_stack:
33 return be_cpu_build_addr(hThread, ctx, addr, 0, ctx->Sp);
34 case be_cpu_addr_frame:
35 return be_cpu_build_addr(hThread, ctx, addr, 0, ctx->Fp);
36 break;
37 }
38 return FALSE;
39 }
40
41 static BOOL be_arm64_get_register_info(int regno, enum be_cpu_addr* kind)
42 {
43 switch (regno)
44 {
45 case CV_ARM64_PC: *kind = be_cpu_addr_pc; return TRUE;
46 case CV_ARM64_SP: *kind = be_cpu_addr_stack; return TRUE;
47 case CV_ARM64_FP: *kind = be_cpu_addr_frame; return TRUE;
48 }
49 return FALSE;
50 }
51
52 static void be_arm64_single_step(CONTEXT* ctx, BOOL enable)
53 {
54 dbg_printf("be_arm64_single_step: not done\n");
55 }
56
57 static void be_arm64_print_context(HANDLE hThread, const CONTEXT* ctx, int all_regs)
58 {
59 static const char condflags[] = "NZCV";
60 int i;
61 char buf[8];
62
63 switch (ctx->PState & 0x0f)
64 {
65 case 0: strcpy(buf, "EL0t"); break;
66 case 4: strcpy(buf, "EL1t"); break;
67 case 5: strcpy(buf, "EL1t"); break;
68 case 8: strcpy(buf, "EL2t"); break;
69 case 9: strcpy(buf, "EL2t"); break;
70 case 12: strcpy(buf, "EL3t"); break;
71 case 13: strcpy(buf, "EL3t"); break;
72 default: strcpy(buf, "UNKNWN"); break;
73 }
74
75 dbg_printf("Register dump:\n");
76 dbg_printf("%s %s Mode\n", (ctx->PState & 0x10) ? "ARM" : "ARM64", buf);
77
78 strcpy(buf, condflags);
79 for (i = 0; buf[i]; i++)
80 if (!((ctx->PState >> 26) & (1 << (sizeof(condflags) - i))))
81 buf[i] = '-';
82
83 dbg_printf(" Pc:%016lx Sp:%016lx Lr:%016lx Pstate:%016lx(%s)\n",
84 ctx->Pc, ctx->Sp, ctx->Lr, ctx->PState, buf);
85 dbg_printf(" x0: %016lx x1: %016lx x2: %016lx x3: %016lx x4: %016lx\n",
86 ctx->X0, ctx->X1, ctx->X2, ctx->X3, ctx->X4);
87 dbg_printf(" x5: %016lx x6: %016lx x7: %016lx x8: %016lx x9: %016lx\n",
88 ctx->X5, ctx->X6, ctx->X7, ctx->X8, ctx->X9);
89 dbg_printf(" x10:%016lx x11:%016lx x12:%016lx x13:%016lx x14:%016lx\n",
90 ctx->X10, ctx->X11, ctx->X12, ctx->X13, ctx->X14);
91 dbg_printf(" x15:%016lx ip0:%016lx ip1:%016lx x18:%016lx x19:%016lx\n",
92 ctx->X15, ctx->X16, ctx->X17, ctx->X18, ctx->X19);
93 dbg_printf(" x20:%016lx x21:%016lx x22:%016lx x23:%016lx x24:%016lx\n",
94 ctx->X20, ctx->X21, ctx->X22, ctx->X23, ctx->X24);
95 dbg_printf(" x25:%016lx x26:%016lx x27:%016lx x28:%016lx Fp:%016lx\n",
96 ctx->X25, ctx->X26, ctx->X27, ctx->X28, ctx->Fp);
97
98 if (all_regs) dbg_printf( "Floating point ARM64 dump not implemented\n" );
99 }
100
101 static void be_arm64_print_segment_info(HANDLE hThread, const CONTEXT* ctx)
102 {
103 }
104
105 static struct dbg_internal_var be_arm64_ctx[] =
106 {
107 {CV_ARM64_X0 + 0, "x0", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X0), dbg_itype_unsigned_long_int},
108 {CV_ARM64_X0 + 1, "x1", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X1), dbg_itype_unsigned_long_int},
109 {CV_ARM64_X0 + 2, "x2", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X2), dbg_itype_unsigned_long_int},
110 {CV_ARM64_X0 + 3, "x3", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X3), dbg_itype_unsigned_long_int},
111 {CV_ARM64_X0 + 4, "x4", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X4), dbg_itype_unsigned_long_int},
112 {CV_ARM64_X0 + 5, "x5", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X5), dbg_itype_unsigned_long_int},
113 {CV_ARM64_X0 + 6, "x6", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X6), dbg_itype_unsigned_long_int},
114 {CV_ARM64_X0 + 7, "x7", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X7), dbg_itype_unsigned_long_int},
115 {CV_ARM64_X0 + 8, "x8", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X8), dbg_itype_unsigned_long_int},
116 {CV_ARM64_X0 + 9, "x9", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X9), dbg_itype_unsigned_long_int},
117 {CV_ARM64_X0 + 10, "x10", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X10), dbg_itype_unsigned_long_int},
118 {CV_ARM64_X0 + 11, "x11", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X11), dbg_itype_unsigned_long_int},
119 {CV_ARM64_X0 + 12, "x12", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X12), dbg_itype_unsigned_long_int},
120 {CV_ARM64_X0 + 13, "x13", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X13), dbg_itype_unsigned_long_int},
121 {CV_ARM64_X0 + 14, "x14", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X14), dbg_itype_unsigned_long_int},
122 {CV_ARM64_X0 + 15, "x15", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X15), dbg_itype_unsigned_long_int},
123 {CV_ARM64_X0 + 16, "x16", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X16), dbg_itype_unsigned_long_int},
124 {CV_ARM64_X0 + 17, "x17", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X17), dbg_itype_unsigned_long_int},
125 {CV_ARM64_X0 + 18, "x18", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X18), dbg_itype_unsigned_long_int},
126 {CV_ARM64_X0 + 19, "x19", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X19), dbg_itype_unsigned_long_int},
127 {CV_ARM64_X0 + 20, "x20", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X20), dbg_itype_unsigned_long_int},
128 {CV_ARM64_X0 + 21, "x21", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X21), dbg_itype_unsigned_long_int},
129 {CV_ARM64_X0 + 22, "x22", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X22), dbg_itype_unsigned_long_int},
130 {CV_ARM64_X0 + 23, "x23", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X23), dbg_itype_unsigned_long_int},
131 {CV_ARM64_X0 + 24, "x24", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X24), dbg_itype_unsigned_long_int},
132 {CV_ARM64_X0 + 25, "x25", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X25), dbg_itype_unsigned_long_int},
133 {CV_ARM64_X0 + 26, "x26", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X26), dbg_itype_unsigned_long_int},
134 {CV_ARM64_X0 + 27, "x27", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X27), dbg_itype_unsigned_long_int},
135 {CV_ARM64_X0 + 28, "x28", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, X28), dbg_itype_unsigned_long_int},
136 {CV_ARM64_FP, "fp", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, Fp), dbg_itype_unsigned_long_int},
137 {CV_ARM64_LR, "lr", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, Lr), dbg_itype_unsigned_long_int},
138 {CV_ARM64_SP, "sp", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, Sp), dbg_itype_unsigned_long_int},
139 {CV_ARM64_PC, "pc", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, Pc), dbg_itype_unsigned_long_int},
140 {CV_ARM64_PSTATE, "pstate", (DWORD_PTR*)FIELD_OFFSET(CONTEXT, PState), dbg_itype_unsigned_long_int},
141 {0, NULL, 0, dbg_itype_none}
142 };
143
144 static BOOL be_arm64_is_step_over_insn(const void* insn)
145 {
146 dbg_printf("be_arm64_is_step_over_insn: not done\n");
147 return FALSE;
148 }
149
150 static BOOL be_arm64_is_function_return(const void* insn)
151 {
152 dbg_printf("be_arm64_is_function_return: not done\n");
153 return FALSE;
154 }
155
156 static BOOL be_arm64_is_break_insn(const void* insn)
157 {
158 dbg_printf("be_arm64_is_break_insn: not done\n");
159 return FALSE;
160 }
161
162 static BOOL be_arm64_is_func_call(const void* insn, ADDRESS64* callee)
163 {
164 return FALSE;
165 }
166
167 static BOOL be_arm64_is_jump(const void* insn, ADDRESS64* jumpee)
168 {
169 return FALSE;
170 }
171
172 static BOOL be_arm64_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
173 CONTEXT* ctx, enum be_xpoint_type type,
174 void* addr, unsigned long* val, unsigned size)
175 {
176 SIZE_T sz;
177
178 switch (type)
179 {
180 case be_xpoint_break:
181 if (!size) return FALSE;
182 if (!pio->read(hProcess, addr, val, 4, &sz) || sz != 4) return FALSE;
183 default:
184 dbg_printf("Unknown/unsupported bp type %c\n", type);
185 return FALSE;
186 }
187 return TRUE;
188 }
189
190 static BOOL be_arm64_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
191 CONTEXT* ctx, enum be_xpoint_type type,
192 void* addr, unsigned long val, unsigned size)
193 {
194 SIZE_T sz;
195
196 switch (type)
197 {
198 case be_xpoint_break:
199 if (!size) return FALSE;
200 if (!pio->write(hProcess, addr, &val, 4, &sz) || sz == 4) return FALSE;
201 break;
202 default:
203 dbg_printf("Unknown/unsupported bp type %c\n", type);
204 return FALSE;
205 }
206 return TRUE;
207 }
208
209 static BOOL be_arm64_is_watchpoint_set(const CONTEXT* ctx, unsigned idx)
210 {
211 dbg_printf("be_arm64_is_watchpoint_set: not done\n");
212 return FALSE;
213 }
214
215 static void be_arm64_clear_watchpoint(CONTEXT* ctx, unsigned idx)
216 {
217 dbg_printf("be_arm64_clear_watchpoint: not done\n");
218 }
219
220 static int be_arm64_adjust_pc_for_break(CONTEXT* ctx, BOOL way)
221 {
222 if (way)
223 {
224 ctx->Pc -= 4;
225 return -4;
226 }
227 ctx->Pc += 4;
228 return 4;
229 }
230
231 static BOOL be_arm64_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
232 BOOL is_signed, LONGLONG* ret)
233 {
234 if (size != 1 && size != 2 && size != 4 && size != 8) return FALSE;
235
236 memset(ret, 0, sizeof(*ret)); /* clear unread bytes */
237 /* FIXME: this assumes that debuggee and debugger use the same
238 * integral representation
239 */
240 if (!memory_read_value(lvalue, size, ret)) return FALSE;
241
242 /* propagate sign information */
243 if (is_signed && size < 8 && (*ret >> (size * 8 - 1)) != 0)
244 {
245 ULONGLONG neg = -1;
246 *ret |= neg << (size * 8);
247 }
248 return TRUE;
249 }
250
251 static BOOL be_arm64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size,
252 long double* ret)
253 {
254 char tmp[sizeof(long double)];
255
256 /* FIXME: this assumes that debuggee and debugger use the same
257 * representation for reals
258 */
259 if (!memory_read_value(lvalue, size, tmp)) return FALSE;
260
261 if (size == sizeof(float)) *ret = *(float*)tmp;
262 else if (size == sizeof(double)) *ret = *(double*)tmp;
263 else if (size == sizeof(long double)) *ret = *(long double*)tmp;
264 else return FALSE;
265
266 return TRUE;
267 }
268
269 static BOOL be_arm64_store_integer(const struct dbg_lvalue* lvalue, unsigned size,
270 BOOL is_signed, LONGLONG val)
271 {
272 /* this is simple if we're on a little endian CPU */
273 return memory_write_value(lvalue, size, &val);
274 }
275
276 void be_arm64_disasm_one_insn(ADDRESS64 *addr, int display)
277 {
278 dbg_printf("be_arm64_disasm_one_insn: not done\n");
279 }
280
281 struct backend_cpu be_arm64 =
282 {
283 IMAGE_FILE_MACHINE_ARM64,
284 8,
285 be_cpu_linearize,
286 be_cpu_build_addr,
287 be_arm64_get_addr,
288 be_arm64_get_register_info,
289 be_arm64_single_step,
290 be_arm64_print_context,
291 be_arm64_print_segment_info,
292 be_arm64_ctx,
293 be_arm64_is_step_over_insn,
294 be_arm64_is_function_return,
295 be_arm64_is_break_insn,
296 be_arm64_is_func_call,
297 be_arm64_is_jump,
298 be_arm64_disasm_one_insn,
299 be_arm64_insert_Xpoint,
300 be_arm64_remove_Xpoint,
301 be_arm64_is_watchpoint_set,
302 be_arm64_clear_watchpoint,
303 be_arm64_adjust_pc_for_break,
304 be_arm64_fetch_integer,
305 be_arm64_fetch_float,
306 be_arm64_store_integer,
307 };
308 #endif
Maarten's multimedia branch