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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: dbgrif.c | |
5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
7 | * | |
8 | * The above named program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public | |
10 | * License version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * The above named program is distributed in the hope that it will be | |
13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public | |
18 | * License along with this work; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
20 | * | |
21 | * ========== Copyright Header End ============================================ | |
22 | */ | |
23 | ||
24 | /* | |
25 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. | |
26 | * Use is subject to license terms. | |
27 | */ | |
28 | ||
29 | #pragma ident "@(#)dbgrif.c 1.15 06/03/06 SMI" | |
30 | ||
31 | ||
32 | /* FIXME: Currently this debugger interface is designed solely | |
33 | * for supporting GDB. I have tried to make it as general | |
34 | * as possible, but no doubt interface differences will remain | |
35 | * for other debuggers. | |
36 | * Ultimately, this interface will split into 2. A set of | |
37 | * general interaction stubs will exist, and they | |
38 | * will support loadable modules which inturn can be customised | |
39 | * for each available debugger required. | |
40 | */ | |
41 | ||
42 | ||
43 | ||
44 | ||
45 | #include <sys/types.h> | |
46 | #include <sys/socket.h> | |
47 | /* #include <sys/conf.h> */ | |
48 | #include <stropts.h> | |
49 | #include <signal.h> | |
50 | #include <netinet/in.h> | |
51 | #include <sys/un.h> | |
52 | #include <arpa/inet.h> | |
53 | #include <netdb.h> | |
54 | #include <stdio.h> | |
55 | #include <unistd.h> | |
56 | #include <fcntl.h> | |
57 | #include <string.h> /* for memset in FD_ZERO */ | |
58 | #include <errno.h> | |
59 | #include <pthread.h> | |
60 | #include <stdlib.h> | |
61 | ||
62 | #include <assert.h> | |
63 | ||
64 | ||
65 | #include "basics.h" | |
66 | #include "hostcpu.h" | |
67 | #include "allocate.h" | |
68 | #include "strutil.h" | |
69 | #include "fatal.h" | |
70 | #include "createthr.h" | |
71 | #include "options.h" | |
72 | #include "simcore.h" | |
73 | #include "config.h" | |
74 | #include "regmap.h" | |
75 | #include "callback.h" | |
76 | ||
77 | ||
78 | #define MAX_PORT_STEP 10 /* DEFAULT_PORT to DEFAULT_PORT+9 */ | |
79 | /* allow upto 5 pending connections will never get that many */ | |
80 | #define MAX_CONNECTIONS 5 | |
81 | ||
82 | ||
83 | ||
84 | ||
85 | int port_offset_number; /* for more than one debugger */ | |
86 | ||
87 | bool_t flag_remdeb_if = false; | |
88 | ||
89 | ||
90 | ||
91 | ||
92 | ||
93 | typedef enum DBGRSTATE { | |
94 | DS_unattached, DS_stopped, DS_running | |
95 | #if 0 | |
96 | /* | |
97 | * available for the sim to tell the debugger about a | |
98 | * new symtab to load ... | |
99 | * ... something else to do eventually | |
100 | */ | |
101 | , DS_symtab_load | |
102 | #endif | |
103 | } dbgr_state_t; | |
104 | ||
105 | ||
106 | ||
107 | ||
108 | typedef struct DEBUGGER { | |
109 | int socket; | |
110 | dbgr_state_t state; | |
111 | ||
112 | pthread_t pthread_id; | |
113 | ||
114 | /* ID who we are attached to - if anything */ | |
115 | ||
116 | domain_t* domainp; /* so we can read memory etc. */ | |
117 | /* NOTE: have to go via CPU anyway if caches modeled*/ | |
118 | config_proc_t* config_procp; /* config proc */ | |
119 | void * pspecp; /* within that proc */ | |
120 | ||
121 | ||
122 | /* communication buffers */ | |
123 | ||
124 | uint8_t * send_buffer_p; | |
125 | uint8_t * recv_buffer_p; | |
126 | uint8_t * send_ptr; | |
127 | uint8_t * recv_ptr; | |
128 | ||
129 | pthread_mutex_t stop_lock; | |
130 | pthread_cond_t stop_cv; | |
131 | } debugger_t; | |
132 | ||
133 | ||
134 | static debugger_t dbgr; | |
135 | ||
136 | ||
137 | ||
138 | typedef enum { | |
139 | Receive_error = -1, | |
140 | Dbgr_Command_Str = 0, | |
141 | Sim_Command_Str_OK, | |
142 | Dbgr_Attach, | |
143 | Sim_Attach_OK, | |
144 | Sim_Attach_Failed, | |
145 | Dbgr_Read_Reg, | |
146 | Sim_Reg_Value_Rtnd, | |
147 | Dbgr_Write_Reg, | |
148 | Sim_Reg_Written, | |
149 | Sim_Reg_Write_Failed, | |
150 | Dbgr_Set_Breakpoint, | |
151 | Sim_Breakpoint_Set, | |
152 | Dbgr_Clear_Breakpoint, | |
153 | Sim_Breakpoint_Cleared, | |
154 | Dbgr_Run, | |
155 | Sim_Executing, | |
156 | Dbgr_ReqStop, | |
157 | Dbgr_Wait, | |
158 | Sim_Stopped, | |
159 | Sim_SimTab_Load, | |
160 | Dbgr_Read_Mem, | |
161 | Sim_Mem_Returned, | |
162 | Sim_Mem_Read_Failed_No_Mem, | |
163 | Dbgr_Write_Mem, | |
164 | Sim_Mem_Write_OK, | |
165 | Sim_Mem_Write_Failed_No_Mem, | |
166 | Dbgr_Clear_Mem, | |
167 | Sim_Mem_Clear_OK, | |
168 | Sim_Mem_Clear_Failed_No_Mem, | |
169 | ||
170 | Dbgr_Protocol_Count | |
171 | } protocol_t; | |
172 | ||
173 | ||
174 | ||
175 | ||
176 | #ifndef NDEBUG /* { */ | |
177 | #define PD(s) { s, #s }, | |
178 | struct { | |
179 | int cmd; | |
180 | char * name; | |
181 | } protodebug[]= { | |
182 | PD(Dbgr_Command_Str) | |
183 | PD(Sim_Command_Str_OK) | |
184 | PD(Dbgr_Attach) | |
185 | PD(Sim_Attach_OK) | |
186 | PD(Sim_Attach_Failed) | |
187 | PD(Dbgr_Read_Reg) | |
188 | PD(Sim_Reg_Value_Rtnd) | |
189 | PD(Dbgr_Write_Reg) | |
190 | PD(Sim_Reg_Written) | |
191 | PD(Sim_Reg_Write_Failed) | |
192 | PD(Dbgr_Set_Breakpoint) | |
193 | PD(Sim_Breakpoint_Set) | |
194 | PD(Dbgr_Clear_Breakpoint) | |
195 | PD(Sim_Breakpoint_Cleared) | |
196 | PD(Dbgr_Run) | |
197 | PD(Sim_Executing) | |
198 | PD(Dbgr_ReqStop) | |
199 | PD(Dbgr_Wait) | |
200 | PD(Sim_Stopped) | |
201 | PD(Sim_SimTab_Load) | |
202 | PD(Dbgr_Read_Mem) | |
203 | PD(Sim_Mem_Returned) | |
204 | PD(Sim_Mem_Read_Failed_No_Mem) | |
205 | PD(Dbgr_Write_Mem) | |
206 | PD(Sim_Mem_Write_OK) | |
207 | PD(Sim_Mem_Write_Failed_No_Mem) | |
208 | PD(Dbgr_Clear_Mem) | |
209 | PD(Sim_Mem_Clear_OK) | |
210 | PD(Sim_Mem_Clear_Failed_No_Mem) | |
211 | { -1, NULL }, | |
212 | }; | |
213 | ||
214 | #endif /* } */ | |
215 | ||
216 | ||
217 | ||
218 | ||
219 | #define MAX_BUF_SIZE 8192 | |
220 | static int do_recv(int skt, uint8_t * ptr, int expect); | |
221 | static protocol_t recv_buffer(debugger_t * dbgp, int * nrecvdp); | |
222 | static int send_buffer(debugger_t * dbgrp, protocol_t cmd, int num); | |
223 | ||
224 | static uint16_t get_uint16(uint8_t * bp); | |
225 | static void put_uint16(uint8_t * bp, uint16_t val); | |
226 | static uint32_t get_uint32(uint8_t * bp); | |
227 | static void put_uint32(uint8_t * bp, uint32_t val); | |
228 | static uint64_t get_uint64(uint8_t * bp); | |
229 | static void put_uint64(uint8_t * bp, uint64_t val); | |
230 | ||
231 | ||
232 | /* | |
233 | *-------------------------------------------- | |
234 | * Register re-map name table | |
235 | * Get from the GDB numbering to the simulator | |
236 | * register value ... | |
237 | * ... for the moment this is for SPARC only | |
238 | * but will eventually fix this ... | |
239 | *-------------------------------------------- | |
240 | */ | |
241 | ||
242 | ||
243 | static char * gdb_reg_name[] = { | |
244 | #define SPARC_REG_G0 0 | |
245 | "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", /*values 0-31*/ | |
246 | "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", | |
247 | "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", | |
248 | "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", | |
249 | ||
250 | #define SPARC_REG_F0 32 | |
251 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", /* 32-63 */ | |
252 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", | |
253 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", | |
254 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", | |
255 | ||
256 | #define SPARC_REG_F32 64 | |
257 | "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46", /* 64-79 */ | |
258 | "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62", | |
259 | ||
260 | #define SPARC_REG_PC 80 | |
261 | "pc", /* 80 */ | |
262 | #define SPARC_REG_NPC 81 | |
263 | "npc", /* 81 */ | |
264 | "ccr", /* 82 */ | |
265 | "fsr", /* 83 */ | |
266 | "fprs", /* 84 */ | |
267 | "y", /* 85 */ | |
268 | "asi", /* 86 */ | |
269 | "ver", /* 87 */ | |
270 | "tick", /* 88 */ | |
271 | "pil", /* 89 */ | |
272 | "pstate", /* 90 */ | |
273 | "tstate", /* 91 */ | |
274 | "tba", /* 92 */ | |
275 | "tl", /* 93 */ | |
276 | "tt", /* 94 */ | |
277 | "tpc", /* 95 */ | |
278 | "tnpc", /* 96 */ | |
279 | "wstate", /* 97 */ | |
280 | "cwp", /* 98 */ | |
281 | "cansave", /* 99 */ | |
282 | "canrestore", /* 100 */ | |
283 | "cleanwin", /* 101 */ | |
284 | "otherwin", /* 102 */ | |
285 | "asr16", /* 103 */ | |
286 | "asr17", /* 104 */ | |
287 | "asr18", /* 105 */ | |
288 | "asr19", /* 106 */ | |
289 | "asr20", /* 107 */ | |
290 | "asr21", /* 108 */ | |
291 | "asr22", /* 109 */ | |
292 | "asr23", /* 110 */ | |
293 | "asr24", /* 111 */ | |
294 | "asr25", /* 112 */ | |
295 | "asr26", /* 113 */ | |
296 | "asr27", /* 114 */ | |
297 | "asr28", /* 115 */ | |
298 | "asr29", /* 116 */ | |
299 | "asr30", /* 117 */ | |
300 | "asr31", /* 118 */ | |
301 | "icc", /* 119 */ | |
302 | "xcc", /* 120 */ | |
303 | "fcc0", /* 121 */ | |
304 | "fcc1", /* 122 */ | |
305 | "fcc2", /* 123 */ | |
306 | "fcc3", /* 124 */ | |
307 | ||
308 | (char*)0 | |
309 | }; | |
310 | ||
311 | ||
312 | ||
313 | /* Mapping for the GDB register numbering to the CPU models numbering */ | |
314 | int * gdb_reg_map; | |
315 | ||
316 | ||
317 | ||
318 | ||
319 | ||
320 | static void if_exec_start(debugger_t * dbgrp); | |
321 | static void if_exec_wait(debugger_t * dbgrp); | |
322 | static uint64_t symtab_base; | |
323 | static char * symtab_fname; | |
324 | ||
325 | static void if_write_register(debugger_t * dbgrp); | |
326 | static void if_read_register(debugger_t * dbgrp); | |
327 | static void if_clear_breakpoint(debugger_t * dbgrp); | |
328 | static void if_set_breakpoint(debugger_t * dbgrp); | |
329 | static void if_read_memory(debugger_t * dbgrp); | |
330 | static void if_write_memory(debugger_t * dbgrp); | |
331 | static void if_clear_memory(debugger_t * dbgrp); | |
332 | ||
333 | ||
334 | #ifndef NDEBUG | |
335 | #define DBGRD(s) do { s } while (0) | |
336 | #else | |
337 | #define DBGRD(s) do { } while (0) | |
338 | #endif | |
339 | ||
340 | ||
341 | ||
342 | ||
343 | /* | |
344 | * Gah this builds a map from the GDB register numbers to | |
345 | * those of the sparc processor being simulated .. | |
346 | * .. based on the map exported for the given | |
347 | * processor type. This should be done a better way, | |
348 | * but this works for now : FIXME | |
349 | */ | |
350 | ||
351 | void init_gdb_reg_map(reg_map_t * reg_mapp) | |
352 | { | |
353 | int count, idx; | |
354 | ||
355 | /* for each GDB name, find and map the number the | |
356 | * cpu core model expects to see | |
357 | */ | |
358 | ||
359 | for (count=0; gdb_reg_name[count]!=(char*)0; count++) ; | |
360 | ||
361 | gdb_reg_map = Xcalloc(count, int); | |
362 | ||
363 | for (idx=0; idx<count; idx++) { | |
364 | int j; | |
365 | char * matchp; | |
366 | ||
367 | matchp = gdb_reg_name[idx]; | |
368 | ||
369 | /* brute force search for name */ | |
370 | for (j=0; reg_mapp[j].namep != (char*)0; j++) { | |
371 | if (streq(reg_mapp[j].namep, matchp)) break; | |
372 | } | |
373 | /* shouldnt have gdb names we dont know ! */ | |
374 | assert(reg_mapp[j].namep != (char*)0); | |
375 | ||
376 | gdb_reg_map[idx] = reg_mapp[j].idx; | |
377 | } | |
378 | } | |
379 | ||
380 | ||
381 | ||
382 | ||
383 | ||
384 | static void dbgrif_stop_cb(void *arg) | |
385 | { | |
386 | debugger_t *dbgrp = (debugger_t *)arg; | |
387 | ||
388 | DBGRD(printf("dbgrif_stop_cb()\n");); | |
389 | ||
390 | dbgrp->state = DS_stopped; | |
391 | ||
392 | pthread_mutex_lock(&dbgrp->stop_lock); | |
393 | pthread_cond_broadcast(&dbgrp->stop_cv); | |
394 | pthread_mutex_unlock(&dbgrp->stop_lock); | |
395 | } | |
396 | ||
397 | /* | |
398 | * This new thread is invoked once contact with a debugger is | |
399 | * been established. This thread exits once that debugger | |
400 | * connection vanishes. | |
401 | * | |
402 | * Any one debugger can stop the simulation, all are required | |
403 | * to be active to continue simulation. | |
404 | */ | |
405 | ||
406 | void * dbgrif(void * argp) | |
407 | { | |
408 | debugger_t * dbgrp = (debugger_t *)argp; | |
409 | int res, length; | |
410 | ||
411 | /* | |
412 | * We have a potential contact, however we must | |
413 | * setup the structures used for communication | |
414 | */ | |
415 | ||
416 | dbgrp->recv_buffer_p = (uint8_t*)valloc(MAX_BUF_SIZE); | |
417 | if (dbgrp->recv_buffer_p == (uint8_t*)0) fatal("allocating recv buffer"); | |
418 | dbgrp->send_buffer_p = (uint8_t*)valloc(MAX_BUF_SIZE); | |
419 | if (dbgrp->send_buffer_p == (uint8_t*)0) fatal("allocating send buffer"); | |
420 | ||
421 | dbgrp->recv_ptr = dbgrp->recv_buffer_p + 3; | |
422 | dbgrp->send_ptr = dbgrp->send_buffer_p + 3; | |
423 | ||
424 | /* | |
425 | * Veryify the protocols match ... | |
426 | * .... by exchanging the max protocol value | |
427 | * | |
428 | * Really should use some version checksum ... FIXME | |
429 | */ | |
430 | ||
431 | res = recv_buffer( dbgrp, &length ); | |
432 | send_buffer( dbgrp, Dbgr_Protocol_Count, 0 ); /* send regardless - will make other side fail too */ | |
433 | if (res!=Dbgr_Protocol_Count || length!=0) { | |
434 | printf("Connection failed : received %d %d - debugger protocols do not match\n", res, length); | |
435 | goto suicide; | |
436 | } | |
437 | ||
438 | /* | |
439 | * OK we've established contact with a legitimate debugger | |
440 | * run the command interface until we get the | |
441 | * command to termnate this session | |
442 | */ | |
443 | ||
444 | ||
445 | while (1) { | |
446 | int recv_len; | |
447 | protocol_t cmd = (protocol_t)recv_buffer(dbgrp, &recv_len); | |
448 | ||
449 | if (cmd == Receive_error) { | |
450 | perror("failed in communication"); | |
451 | continue; | |
452 | } | |
453 | ||
454 | DBGRD( for (res = 0; protodebug[res].cmd!=-1 && protodebug[res].cmd!=cmd; res++) ; | |
455 | printf("command [%d] : %s\n",(int)cmd, | |
456 | protodebug[res].cmd != -1 ? protodebug[res].name : "illegal value"); ); | |
457 | ||
458 | switch ( cmd ) { | |
459 | case Dbgr_Command_Str: | |
460 | dbgrp->recv_ptr[recv_len] = '\0'; | |
461 | DBGRD( printf("recvd: %s\n", dbgrp->recv_ptr); ); | |
462 | #if 0 | |
463 | exec_cmds ( (char*)dbgrp->recv_ptr, cmd_ptr ); | |
464 | #endif | |
465 | send_buffer(dbgrp, Sim_Command_Str_OK, 0); | |
466 | break; | |
467 | ||
468 | case Dbgr_Attach: | |
469 | /* FIXME: for now the simulator must be in virgin state */ | |
470 | assert( dbgrp->state == DS_unattached); | |
471 | /* Make sure simulator is stopped and ready for attach */ | |
472 | /* FIXME: for now this is not compatible with the auto start mode */ | |
473 | assert( !options.flag_auto_start ); | |
474 | #if 0 | |
475 | stop_cmd((char*)0, dbgrp->cmd_ptr); /* FIXME: prob. wrong too */ | |
476 | wait_for_simulation_stop(dbgrp->cmd_ptr); | |
477 | if (cpu[0] == (void*)0) { | |
478 | printf( "Looks like you forgot to init the architecture (file blazerc) before\n" | |
479 | "you did the sttach - try again\n"); | |
480 | send_buffer(dbgrp->socket, Sim_Attach_Failed, 0); | |
481 | dbgrp->exec_state = Exec_unattached; /* sanity */ | |
482 | } else { | |
483 | send_buffer(dbgrp->socket, Sim_Attach_OK, 0); | |
484 | dbgrp->cpup = cpu[0]; | |
485 | dbgrp->exec_state = Exec_stopped; | |
486 | } | |
487 | #endif | |
488 | ||
489 | ||
490 | ||
491 | /* Kludge an attach just to get something | |
492 | * running .... FIXME | |
493 | */ | |
494 | ||
495 | { system_t * sysp; | |
496 | sysp = LIST_ENTRY( target_config.systems, 0 ); | |
497 | dbgrp->domainp = LIST_ENTRY(sysp->domains, 0 ); | |
498 | } | |
499 | dbgrp->config_procp = LIST_ENTRY(dbgrp->domainp->procs, 0); | |
500 | dbgrp->pspecp = dbgrp->config_procp->proc_typep->dbgr_attach(dbgrp->domainp, dbgrp->config_procp, "0:0"); | |
501 | ||
502 | ASSERT(dbgrp->config_procp->proc_typep->proc_magic == CPU_MAGIC); | |
503 | ||
504 | init_gdb_reg_map(dbgrp->config_procp->proc_typep->reg_mapp); /* FIXME */ | |
505 | ||
506 | if (dbgrp->pspecp == NULL) { | |
507 | send_buffer(dbgrp, Sim_Attach_Failed, 0); | |
508 | break; | |
509 | } | |
510 | ||
511 | dbgrp->state = DS_stopped; | |
512 | ||
513 | send_buffer(dbgrp, Sim_Attach_OK, 0); | |
514 | break; | |
515 | ||
516 | case Dbgr_Read_Reg: | |
517 | if_read_register(dbgrp); | |
518 | break; | |
519 | ||
520 | case Dbgr_Write_Reg: | |
521 | if_write_register(dbgrp); | |
522 | break; | |
523 | ||
524 | case Dbgr_Set_Breakpoint: | |
525 | if_set_breakpoint(dbgrp); | |
526 | break; | |
527 | ||
528 | case Dbgr_Clear_Breakpoint: | |
529 | if_clear_breakpoint(dbgrp); | |
530 | break; | |
531 | ||
532 | case Dbgr_Run: | |
533 | if_exec_start(dbgrp); | |
534 | break; | |
535 | ||
536 | case Dbgr_ReqStop: | |
537 | /* Cannot get here ... */ | |
538 | fatal("Dbgr_ReqStop unexpectedly received"); | |
539 | ||
540 | case Dbgr_Wait: | |
541 | if_exec_wait(dbgrp); | |
542 | break; | |
543 | ||
544 | case Dbgr_Read_Mem: | |
545 | if_read_memory(dbgrp); | |
546 | break; | |
547 | ||
548 | case Dbgr_Write_Mem: | |
549 | if_write_memory(dbgrp); | |
550 | break; | |
551 | ||
552 | case Dbgr_Clear_Mem: | |
553 | if_clear_memory(dbgrp); | |
554 | break; | |
555 | ||
556 | ||
557 | default: | |
558 | #ifndef NDEBUG /* { */ | |
559 | for (res = 0; protodebug[res].cmd != -1 && protodebug[res].cmd != cmd; res++) ; | |
560 | warning("unexpected command [%d] : %s\n",(int)cmd, | |
561 | protodebug[res].cmd != -1 ? protodebug[res].name : "illegal value"); | |
562 | #else /* } { */ | |
563 | warning("unexpected command %d\n",(int)cmd); | |
564 | #endif /* } */ | |
565 | goto suicide; | |
566 | } | |
567 | } | |
568 | ||
569 | ||
570 | ||
571 | suicide:; | |
572 | close(dbgrp->socket); | |
573 | ||
574 | Xfree( dbgrp->recv_buffer_p ); | |
575 | Xfree( dbgrp->send_buffer_p ); | |
576 | Xfree( dbgrp ); | |
577 | ||
578 | /* | |
579 | * Clean up this debuggers session ... | |
580 | * ... remove any assigned breakpoints etc ... | |
581 | */ | |
582 | ||
583 | /* FIXME */ | |
584 | ||
585 | /* | |
586 | * Clean up debugger session count ? | |
587 | */ | |
588 | ||
589 | pthread_exit((void*)0); | |
590 | ||
591 | return (void*)0; /* compiler joy */ | |
592 | } | |
593 | ||
594 | ||
595 | ||
596 | ||
597 | ||
598 | ||
599 | #if 0 /* { */ | |
600 | ||
601 | /* | |
602 | * If a symtab message is pending build the response packet | |
603 | * and send it back to the debugger | |
604 | * | |
605 | * The buffer format is quite simple: | |
606 | * uint16 offset_to_filename { from buffer start } | |
607 | * uint16 number_of_sections | |
608 | * Then for each section: | |
609 | * uint16 offset_to_section_name { from buffer start } | |
610 | * uint64 section_load_vaddr | |
611 | * Then the string table: | |
612 | * .. until the end of the buffer. | |
613 | * (each string is null terminated) | |
614 | * | |
615 | */ | |
616 | ||
617 | static void if_send_symtab_info(debugger_t * dbgrp) | |
618 | { | |
619 | int stridx, secidx, len; | |
620 | sym_file_t * sfp; | |
621 | int i; | |
622 | #define SEC_SIZE (2+8) | |
623 | ||
624 | /* grab the file info */ | |
625 | sfp = (sym_file_t *)dbgrp->sym_filep; | |
626 | ||
627 | /* First size the initial sections block */ | |
628 | secidx = 4; | |
629 | stridx = secidx + SEC_SIZE*(sfp->num_pos); | |
630 | ||
631 | /* copy in the map name */ | |
632 | /* and the number of sections */ | |
633 | put_uint16( dbgrp->send_ptr, stridx ); | |
634 | put_uint16( dbgrp->send_ptr+2, sfp->num_pos ); | |
635 | ||
636 | len = strlen( sfp->mapnamep ); | |
637 | strcpy( (char*)dbgrp->send_ptr + stridx, sfp->mapnamep ); | |
638 | stridx += len+1; | |
639 | ||
640 | for (i=0; i<sfp->num_pos; i++) { | |
641 | put_uint16( dbgrp->send_ptr + secidx, stridx ); | |
642 | put_uint64( dbgrp->send_ptr + secidx + 2, sfp->pos[i].address ); | |
643 | ||
644 | len = strlen( sfp->pos[i].namep ); | |
645 | strcpy( (char*)dbgrp->send_ptr + stridx, sfp->pos[i].namep ); | |
646 | stridx += len + 1; | |
647 | ||
648 | secidx += SEC_SIZE; | |
649 | } | |
650 | ||
651 | ||
652 | DBGRD( printf("\tif_exec_wait: returning Sim_SimTab_Load (%s)...\n", sfp->mapnamep);); | |
653 | ||
654 | send_buffer(dbgrp->socket, Sim_SimTab_Load, stridx); | |
655 | ||
656 | symfile_cleanup(&dbgrp->sym_filep); | |
657 | } | |
658 | ||
659 | ||
660 | #endif /* } */ | |
661 | ||
662 | ||
663 | ||
664 | ||
665 | ||
666 | ||
667 | ||
668 | /* | |
669 | * Start execution again ... | |
670 | * ... this is non-blocking (use if_exec_wait to wait until stopped) | |
671 | */ | |
672 | ||
673 | static void if_exec_start(debugger_t * dbgrp) | |
674 | { | |
675 | DBGRD( printf("run!\n");); | |
676 | ||
677 | dbgrp->state = DS_running; | |
678 | ||
679 | simcore_start(); | |
680 | ||
681 | send_buffer(dbgrp, Sim_Executing, 0); | |
682 | } | |
683 | ||
684 | ||
685 | ||
686 | ||
687 | ||
688 | /* | |
689 | * Wait for execution to stop, and give the appropriate response | |
690 | * to the debugger ... | |
691 | * ... if execution stopepd to load a symbol table signal that back | |
692 | * ... after which the debugger should initiate a new run request. | |
693 | */ | |
694 | ||
695 | static void if_exec_wait(debugger_t * dbgrp) | |
696 | { | |
697 | DBGRD( printf("wait until stopped...\n");); | |
698 | ||
699 | pthread_mutex_lock(&dbgrp->stop_lock); | |
700 | while (dbgrp->state != DS_stopped) { | |
701 | pthread_cond_wait(&dbgrp->stop_cv, &dbgrp->stop_lock); | |
702 | } | |
703 | pthread_mutex_unlock(&dbgrp->stop_lock); | |
704 | ||
705 | DBGRD( printf("\tif_exec_wait: returning Sim_Stopped ...\n");); | |
706 | send_buffer(dbgrp, Sim_Stopped, 0); | |
707 | } | |
708 | ||
709 | ||
710 | ||
711 | ||
712 | ||
713 | ||
714 | static void if_read_register(debugger_t * dbgrp) | |
715 | { | |
716 | int regno; | |
717 | uint64_t val; | |
718 | ||
719 | regno = (dbgrp->recv_ptr[0]<<8) | dbgrp->recv_ptr[1]; | |
720 | ||
721 | if (!dbgrp->config_procp->proc_typep->regread(dbgrp->pspecp, gdb_reg_map[regno], &val)) { | |
722 | warning("Register %d [%s] fetch failed", regno, gdb_reg_name[regno]); | |
723 | send_buffer( dbgrp, Sim_Reg_Value_Rtnd, 0); | |
724 | return; | |
725 | } | |
726 | ||
727 | DBGRD( printf("read register %d : %s = 0x%llx\n",regno,gdb_reg_name[regno],val);); | |
728 | ||
729 | put_uint64(dbgrp->send_ptr, val); | |
730 | ||
731 | send_buffer( dbgrp, Sim_Reg_Value_Rtnd, 8); | |
732 | } | |
733 | ||
734 | ||
735 | ||
736 | ||
737 | static void if_write_register(debugger_t * dbgrp) | |
738 | { | |
739 | int regno; | |
740 | uint64_t val; | |
741 | ||
742 | regno = (dbgrp->recv_ptr[0]<<8) | dbgrp->recv_ptr[1]; | |
743 | ||
744 | val = get_uint64(dbgrp->recv_ptr + 2); | |
745 | ||
746 | DBGRD( printf("write register %d : %s = 0x%llx\n",regno,gdb_reg_name[regno],val);); | |
747 | ||
748 | if (!dbgrp->config_procp->proc_typep->regwrite(dbgrp->pspecp, gdb_reg_map[regno], val)) { | |
749 | warning("Register %d [%s] write failed", regno, gdb_reg_name[regno]); | |
750 | } | |
751 | ||
752 | send_buffer( dbgrp, Sim_Reg_Written, 0); | |
753 | } | |
754 | ||
755 | ||
756 | ||
757 | ||
758 | ||
759 | ||
760 | ||
761 | ||
762 | ||
763 | ||
764 | ||
765 | ||
766 | ||
767 | ||
768 | static void if_set_breakpoint(debugger_t * dbgrp) | |
769 | { | |
770 | uint64_t val; | |
771 | ||
772 | val = get_uint64(dbgrp->recv_ptr); | |
773 | ||
774 | DBGRD( printf("set breakpoint @ 0x%llx\n",val);); | |
775 | ||
776 | dbgrp->config_procp->proc_typep->dbgr_set_break(dbgrp->pspecp, val); | |
777 | ||
778 | send_buffer( dbgrp, Sim_Breakpoint_Set, 0); | |
779 | } | |
780 | ||
781 | ||
782 | ||
783 | ||
784 | ||
785 | static void if_clear_breakpoint(debugger_t * dbgrp) | |
786 | { | |
787 | uint64_t val; | |
788 | ||
789 | val = get_uint64(dbgrp->recv_ptr); | |
790 | ||
791 | DBGRD( printf("clear breakpoint @ 0x%llx\n",val);); | |
792 | ||
793 | dbgrp->config_procp->proc_typep->dbgr_clear_break(dbgrp->pspecp, val); | |
794 | ||
795 | send_buffer( dbgrp, Sim_Breakpoint_Cleared, 0); | |
796 | } | |
797 | ||
798 | ||
799 | ||
800 | ||
801 | ||
802 | ||
803 | ||
804 | ||
805 | ||
806 | ||
807 | static void if_read_memory(debugger_t * dbgrp) | |
808 | { | |
809 | tvaddr_t vaddr; | |
810 | uint32_t len, res; | |
811 | uint64_t slen; | |
812 | int offset; | |
813 | int num; | |
814 | bool_t is_physical_addr; | |
815 | proc_type_t * ptp; | |
816 | ||
817 | ptp = dbgrp->config_procp->proc_typep; | |
818 | ||
819 | vaddr = get_uint64(dbgrp->recv_ptr); | |
820 | len = get_uint32(dbgrp->recv_ptr + 8); | |
821 | res = get_uint32(dbgrp->recv_ptr + 12); | |
822 | ||
823 | is_physical_addr = (res == 1); | |
824 | ||
825 | DBGRD( printf("read %s memory @ 0x%llx [ 0x%x bytes]\n", | |
826 | is_physical_addr ? "physical" : "virtual", | |
827 | vaddr, len);); | |
828 | ||
829 | len = ptp->dbgr_mem_read(dbgrp->pspecp, vaddr, !is_physical_addr, | |
830 | dbgrp->send_ptr, len); | |
831 | ||
832 | if (len == 0) { | |
833 | DBGRD( fprintf(stdout, "Failed reading memory"); ); | |
834 | send_buffer( dbgrp, Sim_Mem_Read_Failed_No_Mem, 0); | |
835 | return; | |
836 | } | |
837 | ||
838 | send_buffer( dbgrp, Sim_Mem_Returned, len); | |
839 | } | |
840 | ||
841 | ||
842 | ||
843 | ||
844 | ||
845 | ||
846 | ||
847 | static void if_write_memory(debugger_t * dbgrp) | |
848 | { | |
849 | tvaddr_t vaddr; | |
850 | uint32_t len, res; | |
851 | int offset; | |
852 | int num; | |
853 | uint64_t slen; | |
854 | bool_t is_physical_addr; | |
855 | proc_type_t * ptp; | |
856 | ||
857 | ptp = dbgrp->config_procp->proc_typep; | |
858 | ||
859 | vaddr = get_uint64(dbgrp->recv_ptr); | |
860 | len = get_uint32(dbgrp->recv_ptr + 8); | |
861 | res = get_uint32(dbgrp->recv_ptr + 12); | |
862 | ||
863 | is_physical_addr = (res == 1); | |
864 | ||
865 | DBGRD( printf("write %s memory @ 0x%llx [ 0x%x bytes]\n", | |
866 | is_physical_addr ? "physical" : "virtual", | |
867 | vaddr, len);); | |
868 | ||
869 | len = ptp->dbgr_mem_write(dbgrp->pspecp, vaddr, !is_physical_addr, | |
870 | dbgrp->recv_ptr+16, len); | |
871 | ||
872 | if (len == 0) { | |
873 | DBGRD( fprintf(stdout, "Failed reading memory"); ); | |
874 | send_buffer( dbgrp, Sim_Mem_Write_Failed_No_Mem, 0); | |
875 | return; | |
876 | } | |
877 | ||
878 | send_buffer( dbgrp, Sim_Mem_Write_OK, 0); | |
879 | } | |
880 | ||
881 | ||
882 | ||
883 | ||
884 | ||
885 | ||
886 | static void if_clear_memory(debugger_t * dbgrp) | |
887 | { | |
888 | tvaddr_t vaddr; | |
889 | uint32_t len, res; | |
890 | int offset; | |
891 | int num; | |
892 | uint64_t slen; | |
893 | bool_t is_physical_addr; | |
894 | proc_type_t * ptp; | |
895 | ||
896 | ptp = dbgrp->config_procp->proc_typep; | |
897 | ||
898 | vaddr = get_uint64(dbgrp->recv_ptr); | |
899 | len = get_uint32(dbgrp->recv_ptr + 8); | |
900 | res = get_uint32(dbgrp->recv_ptr + 12); | |
901 | ||
902 | is_physical_addr = (res == 1); | |
903 | ||
904 | DBGRD( printf("clear %s memory @ 0x%llx [ 0x%x bytes]\n", | |
905 | is_physical_addr ? "physical" : "virtual", | |
906 | vaddr, len);); | |
907 | ||
908 | len = ptp->dbgr_mem_clear(dbgrp->pspecp, vaddr, !is_physical_addr, len); | |
909 | ||
910 | if (len == 0) { | |
911 | DBGRD( fprintf(stdout, "Failed clearing memory"); ); | |
912 | send_buffer( dbgrp, Sim_Mem_Clear_Failed_No_Mem, 0); | |
913 | return; | |
914 | } | |
915 | ||
916 | send_buffer( dbgrp, Sim_Mem_Clear_OK, 0); | |
917 | } | |
918 | ||
919 | ||
920 | ||
921 | ||
922 | ||
923 | ||
924 | ||
925 | ||
926 | ||
927 | ||
928 | ||
929 | ||
930 | ||
931 | ||
932 | /* | |
933 | * We enter here with the main program thread | |
934 | * to wait for user interface connections. | |
935 | * we never leave this function. | |
936 | * | |
937 | * The simulator closes ungracefully using exit() | |
938 | * to kill its threads ... | |
939 | */ | |
940 | ||
941 | void interface_wait() | |
942 | { | |
943 | static fd_set comm_channels; | |
944 | int tcp_attach_socket, res; | |
945 | struct sockaddr_in tcp_server; | |
946 | struct sockaddr_in from; | |
947 | int fromlen; | |
948 | int skt; | |
949 | int fh, length, on=1; | |
950 | int max_channel; | |
951 | sigset_t sigs; | |
952 | struct hostent * hp; | |
953 | char * froms; | |
954 | int retry_cnt=0; | |
955 | ||
956 | sigfillset(&sigs); | |
957 | pthread_sigmask(SIG_BLOCK, &sigs, NULL); | |
958 | ||
959 | skt = socket(AF_INET, SOCK_STREAM, 0); | |
960 | if (skt < 0) fatal("opening stream socket"); | |
961 | ||
962 | /* enable the reuse of this socket if this process dies */ | |
963 | if (setsockopt(skt,SOL_SOCKET,SO_REUSEADDR,(char*)&on,sizeof(on))<0) | |
964 | fatal("turning on REUSEADDR"); | |
965 | ||
966 | /* bind it */ | |
967 | retry:; | |
968 | tcp_server.sin_family = AF_INET; | |
969 | tcp_server.sin_addr.s_addr = INADDR_ANY; | |
970 | tcp_server.sin_port = options.accept_port; | |
971 | if (bind(skt, (struct sockaddr *)&tcp_server, sizeof(tcp_server)) < 0) { | |
972 | switch (errno) { | |
973 | case EAGAIN: | |
974 | goto retry; | |
975 | ||
976 | case EADDRINUSE: | |
977 | printf("\nPort %d already in use ", options.accept_port); | |
978 | ||
979 | /* user specific a port and it's not available, fatal */ | |
980 | if (options.specific_port) { | |
981 | printf("\n"); | |
982 | fatal("Port %d already in use, try another", | |
983 | options.accept_port); | |
984 | } | |
985 | ||
986 | /* check if we should retry another port */ | |
987 | if (retry_cnt >= options.port_retry_max) { | |
988 | printf("\n"); | |
989 | fatal("Max no of retries (%d) reached, use -P -or -p ", | |
990 | options.port_retry_max); | |
991 | } | |
992 | ||
993 | /* try the next port */ | |
994 | options.accept_port++; | |
995 | retry_cnt++; | |
996 | printf("- trying %d", options.accept_port); | |
997 | goto retry; | |
998 | default: | |
999 | fatal("binding tcp stream socket"); | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | /* this not necessary */ | |
1004 | length = sizeof(tcp_server); | |
1005 | if (getsockname(skt, (struct sockaddr *) &tcp_server, &length)==-1) | |
1006 | fatal("getting socket name"); | |
1007 | PRINTF(("\nWaiting for connection on port # %d\n", | |
1008 | ntohs(tcp_server.sin_port))); | |
1009 | ||
1010 | listen(skt, MAX_CONNECTIONS); | |
1011 | ||
1012 | tcp_attach_socket = skt; | |
1013 | max_channel = tcp_attach_socket; | |
1014 | FD_ZERO(&comm_channels); | |
1015 | FD_SET(tcp_attach_socket, &comm_channels); | |
1016 | ||
1017 | /* | |
1018 | * Wait for a control connection | |
1019 | */ | |
1020 | ||
1021 | do { | |
1022 | debugger_t * dbgrp; | |
1023 | ||
1024 | res = select(max_channel+1, &comm_channels, (fd_set*)0, (fd_set*)0, (struct timeval*)0 /* stall */); | |
1025 | if (res<0) fatal("select"); | |
1026 | ||
1027 | /* | |
1028 | * accept the connection | |
1029 | */ | |
1030 | ||
1031 | fromlen = sizeof(from); | |
1032 | fh = accept(tcp_attach_socket,(struct sockaddr *)&from, (int*)&fromlen); | |
1033 | ||
1034 | ||
1035 | hp = gethostbyaddr((char *)&from.sin_addr, 4, AF_INET); | |
1036 | if (hp == (struct hostent *)0) { | |
1037 | froms = inet_ntoa(from.sin_addr); | |
1038 | fprintf(stderr,"cant resolve hostname for %s\n", froms);; | |
1039 | } else { | |
1040 | froms = hp->h_name; | |
1041 | } | |
1042 | fprintf(stderr,"connection from %s : port %d\n", froms, from.sin_port); | |
1043 | ||
1044 | ||
1045 | /* | |
1046 | * Create the thread to handle this debugger | |
1047 | * connection. It cleans up after itself | |
1048 | * if anything goes wrong. | |
1049 | */ | |
1050 | ||
1051 | dbgrp = Xcalloc(1, debugger_t); | |
1052 | ||
1053 | dbgrp->socket = fh; | |
1054 | dbgrp->state = DS_unattached; | |
1055 | ||
1056 | pthread_mutex_init(&dbgrp->stop_lock, NULL); | |
1057 | pthread_cond_init(&dbgrp->stop_cv, NULL); | |
1058 | ||
1059 | callback_register(CB_Breakpoint, dbgrif_stop_cb, (void *)dbgrp); | |
1060 | ||
1061 | create_thread(dbgrif, (void*)dbgrp, &dbgrp->pthread_id); | |
1062 | ||
1063 | } while (1); | |
1064 | } | |
1065 | ||
1066 | ||
1067 | ||
1068 | ||
1069 | ||
1070 | #if 0 /* { */ | |
1071 | ||
1072 | /* | |
1073 | * These functions are called, not from the debugger IF thread, | |
1074 | * but from the simulation execution thread. It is a callback | |
1075 | * notification to the debugger - during simulation to load | |
1076 | * a new symbol table file. | |
1077 | */ | |
1078 | ||
1079 | void remdeb_symtab_add_callback(sym_file_t * sym_filep) | |
1080 | { | |
1081 | if (flag_remdeb_if) { | |
1082 | DBGRD( printf("load symtab %s\n",sym_filep->namep);); | |
1083 | ||
1084 | dbgr.exec_state = Exec_symtab_load; | |
1085 | assert( dbgr.sym_filep == (sym_file_t *)0); | |
1086 | dbgr.sym_filep = sym_filep; | |
1087 | ||
1088 | stop_cmd((char*)0, dbgr.cmd_ptr); | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | ||
1093 | #endif /* } */ | |
1094 | ||
1095 | ||
1096 | ||
1097 | ||
1098 | ||
1099 | ||
1100 | ||
1101 | #if 0 | |
1102 | /* Delete a block of symbols (object file) | |
1103 | */ | |
1104 | ||
1105 | void remdeb_symtab_delete_callback(uint64_t symtab_id) | |
1106 | { | |
1107 | if (flag_remdeb_if) { | |
1108 | DBGRD( printf("delete symtab 0x%llx\n",symtab_id);); | |
1109 | } | |
1110 | } | |
1111 | /* Change the offset on a block of symbols ... | |
1112 | */ | |
1113 | ||
1114 | void remdeb_symtab_offset_callback(uint64_t symtab_id, uint64_t offset, char * sectp) | |
1115 | { | |
1116 | if (flag_remdeb_if) { | |
1117 | DBGRD( printf("change symtab 0x%llx : section [%s] offset 0x%llx\n",symtab_id, sectp ? sectp : "(NULL)", offset);); | |
1118 | } | |
1119 | } | |
1120 | #endif | |
1121 | ||
1122 | ||
1123 | ||
1124 | ||
1125 | ||
1126 | ||
1127 | ||
1128 | /* | |
1129 | * basic IO routines to help | |
1130 | */ | |
1131 | ||
1132 | ||
1133 | static int send_buffer(debugger_t * dbgrp, protocol_t cmd, int num) | |
1134 | { | |
1135 | int res; | |
1136 | ||
1137 | dbgrp->send_buffer_p[0] = num >> 8; | |
1138 | dbgrp->send_buffer_p[1] = num & 0xff; | |
1139 | dbgrp->send_buffer_p[2] = (unsigned char) cmd; | |
1140 | ||
1141 | res = write(dbgrp->socket, dbgrp->send_buffer_p, 3+num); | |
1142 | ||
1143 | return (res != 3+num) ? -1 : 0; | |
1144 | } | |
1145 | ||
1146 | ||
1147 | ||
1148 | ||
1149 | static protocol_t recv_buffer(debugger_t * dbgrp, int * nrecvdp) | |
1150 | { | |
1151 | int len, num; | |
1152 | len = do_recv(dbgrp->socket, dbgrp->recv_buffer_p, 3); | |
1153 | if (len != 3) return Receive_error; | |
1154 | ||
1155 | len = dbgrp->recv_buffer_p[1] + (dbgrp->recv_buffer_p[0]<<8); /* big endian network order */ | |
1156 | ||
1157 | num = do_recv(dbgrp->socket, dbgrp->recv_ptr, len); | |
1158 | ||
1159 | if (num != len) return Receive_error; | |
1160 | ||
1161 | if (nrecvdp != (void*)0) *nrecvdp = num; | |
1162 | ||
1163 | return (protocol_t)dbgrp->recv_buffer_p[2]; | |
1164 | } | |
1165 | ||
1166 | ||
1167 | ||
1168 | static int do_recv(int skt, unsigned char * ptr, int expect) | |
1169 | { | |
1170 | int idx, num; | |
1171 | ||
1172 | for (idx=0; idx<expect; idx+=num) { | |
1173 | num = read(skt, ptr + idx, expect-idx); | |
1174 | if (num<0) return -1; | |
1175 | } | |
1176 | ||
1177 | return idx; | |
1178 | } | |
1179 | ||
1180 | ||
1181 | ||
1182 | ||
1183 | static uint16_t get_uint16(uint8_t * bp) | |
1184 | { | |
1185 | uint16_t val; | |
1186 | ||
1187 | val = (uint16_t)bp[0]; | |
1188 | val = (val<<8) | (uint16_t)bp[1]; | |
1189 | ||
1190 | return val; | |
1191 | } | |
1192 | ||
1193 | static uint32_t get_uint32(uint8_t * bp) | |
1194 | { | |
1195 | uint32_t val; | |
1196 | ||
1197 | val = (uint32_t)bp[0]; | |
1198 | val = (val<<8) | (uint32_t)bp[1]; | |
1199 | val = (val<<8) | (uint32_t)bp[2]; | |
1200 | val = (val<<8) | (uint32_t)bp[3]; | |
1201 | ||
1202 | return val; | |
1203 | } | |
1204 | ||
1205 | static uint64_t get_uint64(uint8_t * bp) | |
1206 | { | |
1207 | uint64_t val; | |
1208 | ||
1209 | val = (uint64_t)bp[0]; | |
1210 | val = (val<<8) | (uint64_t)bp[1]; | |
1211 | val = (val<<8) | (uint64_t)bp[2]; | |
1212 | val = (val<<8) | (uint64_t)bp[3]; | |
1213 | val = (val<<8) | (uint64_t)bp[4]; | |
1214 | val = (val<<8) | (uint64_t)bp[5]; | |
1215 | val = (val<<8) | (uint64_t)bp[6]; | |
1216 | val = (val<<8) | (uint64_t)bp[7]; | |
1217 | ||
1218 | return val; | |
1219 | } | |
1220 | ||
1221 | ||
1222 | static void put_uint16(uint8_t * bp, uint16_t val) | |
1223 | { | |
1224 | bp[0] = (uint8_t)(val >> 8); | |
1225 | bp[1] = (uint8_t)(val); | |
1226 | } | |
1227 | ||
1228 | static void put_uint32(uint8_t * bp, uint32_t val) | |
1229 | { | |
1230 | bp[0] = (uint8_t)(val >> 24); | |
1231 | bp[1] = (uint8_t)(val >> 16); | |
1232 | bp[2] = (uint8_t)(val >> 8); | |
1233 | bp[3] = (uint8_t)(val); | |
1234 | } | |
1235 | ||
1236 | ||
1237 | static void put_uint64(uint8_t * bp, uint64_t val) | |
1238 | { | |
1239 | bp[0] = (uint8_t)(val >> 56); | |
1240 | bp[1] = (uint8_t)(val >> 48); | |
1241 | bp[2] = (uint8_t)(val >> 40); | |
1242 | bp[3] = (uint8_t)(val >> 32); | |
1243 | bp[4] = (uint8_t)(val >> 24); | |
1244 | bp[5] = (uint8_t)(val >> 16); | |
1245 | bp[6] = (uint8_t)(val >> 8); | |
1246 | bp[7] = (uint8_t)(val); | |
1247 | } | |
1248 |