451ab91e |
1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
2 | * Mupen64plus-core - api/debugger.c * |
3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
4 | * Copyright (C) 2009 Richard Goedeken * |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * |
7 | * it under the terms of the GNU General Public License as published by * |
8 | * the Free Software Foundation; either version 2 of the License, or * |
9 | * (at your option) any later version. * |
10 | * * |
11 | * This program 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 * |
14 | * GNU General Public License for more details. * |
15 | * * |
16 | * You should have received a copy of the GNU General Public License * |
17 | * along with this program; if not, write to the * |
18 | * Free Software Foundation, Inc., * |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
21 | |
22 | /* This file contains the Core debugger functions which will be exported |
23 | * outside of the core library. |
24 | */ |
25 | |
26 | #include <stdlib.h> |
27 | |
28 | #define M64P_CORE_PROTOTYPES 1 |
29 | #include "m64p_types.h" |
30 | #include "m64p_debugger.h" |
31 | #include "callbacks.h" |
32 | #include "debugger.h" |
33 | |
34 | #include "debugger/dbg_types.h" |
35 | #include "debugger/dbg_breakpoints.h" |
36 | #include "debugger/dbg_decoder.h" |
37 | #include "debugger/dbg_memory.h" |
38 | #include "debugger/debugger.h" |
39 | #include "memory/memory.h" |
40 | #include "r4300/r4300.h" |
41 | |
42 | extern unsigned int op; /* this is in r4300/pure_interp.c */ |
43 | |
44 | /* local variables */ |
45 | static void (*callback_ui_init)(void) = NULL; |
46 | static void (*callback_ui_update)(unsigned int) = NULL; |
47 | static void (*callback_ui_vi)(void) = NULL; |
48 | |
49 | static void (*callback_core_compare)(unsigned int) = NULL; |
50 | static void (*callback_core_data_sync)(int, void *) = NULL; |
51 | |
52 | /* global Functions for use by the Core */ |
53 | |
54 | void DebuggerCallback(eDbgCallbackType type, unsigned int param) |
55 | { |
56 | if (type == DEBUG_UI_INIT) |
57 | { |
58 | if (callback_ui_init != NULL) |
59 | (*callback_ui_init)(); |
60 | } |
61 | else if (type == DEBUG_UI_UPDATE) |
62 | { |
63 | if (callback_ui_update != NULL) |
64 | (*callback_ui_update)(param); |
65 | } |
66 | else if (type == DEBUG_UI_VI) |
67 | { |
68 | if (callback_ui_vi != NULL) |
69 | (*callback_ui_vi)(); |
70 | } |
71 | } |
72 | |
73 | void CoreCompareCallback(void) |
74 | { |
75 | if (callback_core_compare != NULL) |
76 | (*callback_core_compare)(op); |
77 | } |
78 | |
79 | void CoreCompareDataSync(int length, void *ptr) |
80 | { |
81 | if (callback_core_data_sync != NULL) |
82 | (*callback_core_data_sync)(length, ptr); |
83 | } |
84 | |
85 | /* exported functions for use by the front-end User Interface */ |
86 | |
87 | EXPORT m64p_error CALL DebugSetCoreCompare(void (*dbg_core_compare)(unsigned int), void (*dbg_core_data_sync)(int, void *)) |
88 | { |
89 | callback_core_compare = dbg_core_compare; |
90 | callback_core_data_sync = dbg_core_data_sync; |
91 | return M64ERR_SUCCESS; |
92 | } |
93 | |
94 | EXPORT m64p_error CALL DebugSetCallbacks(void (*dbg_frontend_init)(void), void (*dbg_frontend_update)(unsigned int pc), void (*dbg_frontend_vi)(void)) |
95 | { |
96 | #ifdef DBG |
97 | callback_ui_init = dbg_frontend_init; |
98 | callback_ui_update = dbg_frontend_update; |
99 | callback_ui_vi = dbg_frontend_vi; |
100 | return M64ERR_SUCCESS; |
101 | #else |
102 | return M64ERR_UNSUPPORTED; |
103 | #endif |
104 | } |
105 | |
106 | EXPORT m64p_error CALL DebugSetRunState(int runstate) |
107 | { |
108 | #ifdef DBG |
109 | run = runstate; /* in debugger/debugger.c */ |
110 | return M64ERR_SUCCESS; |
111 | #else |
112 | return M64ERR_UNSUPPORTED; |
113 | #endif |
114 | } |
115 | |
116 | EXPORT int CALL DebugGetState(m64p_dbg_state statenum) |
117 | { |
118 | #ifdef DBG |
119 | switch (statenum) |
120 | { |
121 | case M64P_DBG_RUN_STATE: |
122 | return run; |
123 | case M64P_DBG_PREVIOUS_PC: |
124 | return previousPC; |
125 | case M64P_DBG_NUM_BREAKPOINTS: |
126 | return g_NumBreakpoints; |
127 | case M64P_DBG_CPU_DYNACORE: |
128 | return r4300emu; |
129 | case M64P_DBG_CPU_NEXT_INTERRUPT: |
130 | return next_interupt; |
131 | default: |
132 | DebugMessage(M64MSG_WARNING, "Bug: invalid m64p_dbg_state input in DebugGetState()"); |
133 | return 0; |
134 | } |
135 | return 0; |
136 | #else |
137 | DebugMessage(M64MSG_ERROR, "Bug: DebugGetState() called, but Debugger not supported in Core library"); |
138 | return 0; |
139 | #endif |
140 | } |
141 | |
142 | EXPORT m64p_error CALL DebugStep(void) |
143 | { |
144 | #ifdef DBG |
145 | if (!g_DebuggerActive) |
146 | return M64ERR_INVALID_STATE; |
147 | debugger_step(); /* in debugger/debugger.c */ |
148 | return M64ERR_SUCCESS; |
149 | #else |
150 | return M64ERR_UNSUPPORTED; |
151 | #endif |
152 | } |
153 | |
154 | EXPORT void CALL DebugDecodeOp(unsigned int instruction, char *op, char *args, int pc) |
155 | { |
156 | #ifdef DBG |
157 | r4300_decode_op(instruction, op, args, pc); |
158 | #else |
159 | DebugMessage(M64MSG_ERROR, "Bug: DebugDecodeOp() called, but Debugger not supported in Core library"); |
160 | #endif |
161 | } |
162 | |
163 | EXPORT void * CALL DebugMemGetRecompInfo(m64p_dbg_mem_info recomp_type, unsigned int address, int index) |
164 | { |
165 | #ifdef DBG |
166 | switch (recomp_type) |
167 | { |
168 | case M64P_DBG_RECOMP_OPCODE: |
169 | return get_recompiled_opcode(address, index); |
170 | case M64P_DBG_RECOMP_ARGS: |
171 | return get_recompiled_args(address, index); |
172 | case M64P_DBG_RECOMP_ADDR: |
173 | return get_recompiled_addr(address, index); |
174 | default: |
175 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemGetRecompInfo() called with invalid m64p_dbg_mem_info"); |
176 | return NULL; |
177 | } |
178 | #else |
179 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemGetRecompInfo() called, but Debugger not supported in Core library"); |
180 | return NULL; |
181 | #endif |
182 | } |
183 | |
184 | EXPORT int CALL DebugMemGetMemInfo(m64p_dbg_mem_info mem_info_type, unsigned int address) |
185 | { |
186 | #ifdef DBG |
187 | switch (mem_info_type) |
188 | { |
189 | case M64P_DBG_MEM_TYPE: |
190 | return get_memory_type(address); |
191 | case M64P_DBG_MEM_FLAGS: |
192 | return get_memory_flags(address); |
193 | case M64P_DBG_MEM_HAS_RECOMPILED: |
194 | return get_has_recompiled(address); |
195 | case M64P_DBG_MEM_NUM_RECOMPILED: |
196 | return get_num_recompiled(address); |
197 | default: |
198 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemGetMemInfo() called with invalid m64p_dbg_mem_info"); |
199 | return 0; |
200 | } |
201 | #else |
202 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemGetMemInfo() called, but Debugger not supported in Core library"); |
203 | return 0; |
204 | #endif |
205 | } |
206 | |
207 | EXPORT void * CALL DebugMemGetPointer(m64p_dbg_memptr_type mem_ptr_type) |
208 | { |
209 | switch (mem_ptr_type) |
210 | { |
211 | case M64P_DBG_PTR_RDRAM: |
212 | return rdram; |
213 | case M64P_DBG_PTR_PI_REG: |
214 | return &pi_register; |
215 | case M64P_DBG_PTR_SI_REG: |
216 | return &si_register; |
217 | case M64P_DBG_PTR_VI_REG: |
218 | return &vi_register; |
219 | case M64P_DBG_PTR_RI_REG: |
220 | return &ri_register; |
221 | case M64P_DBG_PTR_AI_REG: |
222 | return &ai_register; |
223 | default: |
224 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemGetPointer() called with invalid m64p_dbg_memptr_type"); |
225 | return NULL; |
226 | } |
227 | } |
228 | |
229 | EXPORT unsigned long long CALL DebugMemRead64(unsigned int address) |
230 | { |
231 | #ifdef DBG |
232 | if ((address & 3) == 0) |
233 | return read_memory_64(address); |
234 | else |
235 | return read_memory_64_unaligned(address); |
236 | #else |
237 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemRead64() called, but Debugger not supported in Core library"); |
238 | return 0LL; |
239 | #endif |
240 | } |
241 | |
242 | EXPORT unsigned int CALL DebugMemRead32(unsigned int address) |
243 | { |
244 | #ifdef DBG |
245 | if ((address & 3) == 0) |
246 | return read_memory_32(address); |
247 | else |
248 | return read_memory_32_unaligned(address); |
249 | #else |
250 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemRead32() called, but Debugger not supported in Core library"); |
251 | return 0; |
252 | #endif |
253 | } |
254 | |
255 | EXPORT unsigned short CALL DebugMemRead16(unsigned int address) |
256 | { |
257 | #ifdef DBG |
258 | return read_memory_16(address); |
259 | #else |
260 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemRead16() called, but Debugger not supported in Core library"); |
261 | return 0; |
262 | #endif |
263 | } |
264 | |
265 | EXPORT unsigned char CALL DebugMemRead8(unsigned int address) |
266 | { |
267 | #ifdef DBG |
268 | return read_memory_8(address); |
269 | #else |
270 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemRead8() called, but Debugger not supported in Core library"); |
271 | return 0; |
272 | #endif |
273 | } |
274 | |
275 | EXPORT void CALL DebugMemWrite64(unsigned int address, unsigned long long value) |
276 | { |
277 | #ifdef DBG |
278 | if ((address & 3) == 0) |
279 | write_memory_64(address, value); |
280 | else |
281 | write_memory_64_unaligned(address, value); |
282 | #else |
283 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemWrite64() called, but Debugger not supported in Core library"); |
284 | #endif |
285 | } |
286 | |
287 | EXPORT void CALL DebugMemWrite32(unsigned int address, unsigned int value) |
288 | { |
289 | #ifdef DBG |
290 | if ((address & 3) == 0) |
291 | write_memory_32(address, value); |
292 | else |
293 | write_memory_32_unaligned(address, value); |
294 | #else |
295 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemWrite32() called, but Debugger not supported in Core library"); |
296 | #endif |
297 | } |
298 | |
299 | EXPORT void CALL DebugMemWrite16(unsigned int address, unsigned short value) |
300 | { |
301 | #ifdef DBG |
302 | write_memory_16(address, value); |
303 | #else |
304 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemWrite16() called, but Debugger not supported in Core library"); |
305 | #endif |
306 | } |
307 | |
308 | EXPORT void CALL DebugMemWrite8(unsigned int address, unsigned char value) |
309 | { |
310 | #ifdef DBG |
311 | write_memory_8(address, value); |
312 | #else |
313 | DebugMessage(M64MSG_ERROR, "Bug: DebugMemWrite8() called, but Debugger not supported in Core library"); |
314 | #endif |
315 | } |
316 | |
317 | EXPORT void * CALL DebugGetCPUDataPtr(m64p_dbg_cpu_data cpu_data_type) |
318 | { |
319 | switch (cpu_data_type) |
320 | { |
321 | case M64P_CPU_PC: |
322 | return &PC->addr; |
323 | case M64P_CPU_REG_REG: |
324 | return reg; |
325 | case M64P_CPU_REG_HI: |
326 | return &hi; |
327 | case M64P_CPU_REG_LO: |
328 | return &lo; |
329 | case M64P_CPU_REG_COP0: |
330 | return reg_cop0; |
331 | case M64P_CPU_REG_COP1_DOUBLE_PTR: |
332 | return reg_cop1_double; |
333 | case M64P_CPU_REG_COP1_SIMPLE_PTR: |
334 | return reg_cop1_simple; |
335 | case M64P_CPU_REG_COP1_FGR_64: |
336 | return reg_cop1_fgr_64; |
337 | case M64P_CPU_TLB: |
338 | return tlb_e; |
339 | default: |
340 | DebugMessage(M64MSG_ERROR, "Bug: DebugGetCPUDataPtr() called with invalid input m64p_dbg_cpu_data"); |
341 | return NULL; |
342 | } |
343 | } |
344 | |
345 | EXPORT int CALL DebugBreakpointLookup(unsigned int address, unsigned int size, unsigned int flags) |
346 | { |
347 | #ifdef DBG |
348 | return lookup_breakpoint(address, size, flags); |
349 | #else |
350 | DebugMessage(M64MSG_ERROR, "Bug: DebugBreakpointLookup() called, but Debugger not supported in Core library"); |
351 | return -1; |
352 | #endif |
353 | } |
354 | |
355 | EXPORT int CALL DebugBreakpointCommand(m64p_dbg_bkp_command command, unsigned int index, void *ptr) |
356 | { |
357 | #ifdef DBG |
358 | switch (command) |
359 | { |
360 | case M64P_BKP_CMD_ADD_ADDR: |
361 | return add_breakpoint(index); |
362 | case M64P_BKP_CMD_ADD_STRUCT: |
363 | return add_breakpoint_struct((breakpoint *) ptr); |
364 | case M64P_BKP_CMD_REPLACE: |
365 | replace_breakpoint_num(index, (breakpoint *) ptr); |
366 | return 0; |
367 | case M64P_BKP_CMD_REMOVE_ADDR: |
368 | remove_breakpoint_by_address(index); |
369 | return 0; |
370 | case M64P_BKP_CMD_REMOVE_IDX: |
371 | remove_breakpoint_by_num(index); |
372 | return 0; |
373 | case M64P_BKP_CMD_ENABLE: |
374 | enable_breakpoint(index); |
375 | return 0; |
376 | case M64P_BKP_CMD_DISABLE: |
377 | disable_breakpoint(index); |
378 | return 0; |
379 | case M64P_BKP_CMD_CHECK: |
380 | return check_breakpoints(index); |
381 | default: |
382 | DebugMessage(M64MSG_ERROR, "Bug: DebugBreakpointCommand() called with invalid input m64p_dbg_bkp_command"); |
383 | return -1; |
384 | } |
385 | #else |
386 | DebugMessage(M64MSG_ERROR, "Bug: DebugBreakpointCommand() called, but Debugger not supported in Core library"); |
387 | return -1; |
388 | #endif |
389 | } |
390 | |