1 /***************************************************************************
2 * Copyright (C) 2011 by Broadcom Corporation *
3 * Evan Hunter - ehunter@broadcom.com *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
27 #include "target/target.h"
28 #include "helper/log.h"
29 #include "server/gdb_server.h"
33 static void hex_to_str( char* dst
, char * hex_src
);
37 extern struct rtos_type FreeRTOS_rtos
;
38 extern struct rtos_type ThreadX_rtos
;
39 extern struct rtos_type eCos_rtos
;
40 extern struct rtos_type Linux_os
;
42 static struct rtos_type
*rtos_types
[] =
51 int rtos_thread_packet(struct connection
*connection
, char *packet
, int packet_size
);
53 int rtos_smp_init(struct target
*target
)
55 if (target
->rtos
->type
->smp_init
)
56 return target
->rtos
->type
->smp_init(target
);
57 return ERROR_TARGET_INIT_FAILED
;
61 int rtos_create(Jim_GetOptInfo
*goi
, struct target
* target
)
65 if (! goi
->isconfigure
) {
68 Jim_WrongNumArgs(goi
->interp
,
74 Jim_SetResultString(goi
->interp
,
75 target_type_name(target
), -1);
80 free((void *)(target
->rtos
));
82 // e = Jim_GetOpt_String(goi, &cp, NULL);
83 // target->rtos = strdup(cp);
85 Jim_GetOpt_String(goi
, &cp
, NULL
);
86 /* now does target type exist */
88 if ( 0 == strcmp( cp
, "auto") )
90 // auto detection of RTOS
91 target
->rtos_auto_detect
= true;
97 for (x
= 0 ; rtos_types
[x
] ; x
++) {
98 if (0 == strcmp(cp
, rtos_types
[x
]->name
)) {
103 if (rtos_types
[x
] == NULL
) {
104 Jim_SetResultFormatted(goi
->interp
, "Unknown rtos type %s, try one of ", cp
);
105 for (x
= 0 ; rtos_types
[x
] ; x
++) {
106 if (rtos_types
[x
+ 1]) {
107 Jim_AppendStrings(goi
->interp
,
108 Jim_GetResult(goi
->interp
),
112 Jim_AppendStrings(goi
->interp
,
113 Jim_GetResult(goi
->interp
),
115 rtos_types
[x
]->name
,NULL
);
122 target
->rtos
= calloc(1,sizeof(struct rtos
));
123 target
->rtos
->type
= rtos_types
[x
];
124 target
->rtos
->current_threadid
= -1;
125 target
->rtos
->current_thread
= 0;
126 target
->rtos
->symbols
= NULL
;
127 target
->rtos
->target
= target
;
128 /* put default thread handler in linux usecase it is overloaded*/
129 target
->rtos
->gdb_thread_packet
= rtos_thread_packet
;
131 if ( 0 != strcmp( cp
, "auto") )
133 target
->rtos
->type
->create( target
);
139 int gdb_thread_packet(struct connection
*connection
, char *packet
, int packet_size
)
141 struct target
*target
= get_target_from_connection(connection
);
142 if (target
->rtos
== NULL
)
143 return rtos_thread_packet(connection
, packet
, packet_size
); /* thread not found*/
144 return target
->rtos
->gdb_thread_packet(connection
, packet
, packet_size
);
146 /* return -1 if no rtos defined, 0 if rtos and symbol to be asked, 1 if all
147 * symbol have been asked*/
148 int rtos_qsymbol(struct connection
*connection
, char *packet
, int packet_size
)
150 struct target
*target
= get_target_from_connection(connection
);
151 if (target
->rtos
!= NULL
) {
152 int next_symbol_num
= -1;
153 if (target
->rtos
->symbols
== NULL
)
154 target
->rtos
->type
->get_symbol_list_to_lookup(&target
->rtos
->symbols
);
155 if (0 == strcmp("qSymbol::", packet
))
160 char *hex_name_str
= malloc(strlen(packet
));
164 char *found
= strstr(packet
, "qSymbol::");
166 sscanf(packet
, "qSymbol:%" SCNx64
":%s", &value
, hex_name_str
);
168 /* No value returned by GDB - symbol was not found*/
169 sscanf(packet
, "qSymbol::%s", hex_name_str
);
170 name_str
= (char *) malloc(1 + strlen(hex_name_str
) / 2);
172 hex_to_str(name_str
, hex_name_str
);
174 while ((target
->rtos
->symbols
[symbol_num
].symbol_name
!= NULL
)
175 && (0 != strcmp(target
->rtos
->symbols
[symbol_num
].symbol_name
, name_str
)))
178 if (target
->rtos
->symbols
[symbol_num
].symbol_name
== NULL
) {
179 LOG_OUTPUT("ERROR: unknown symbol\r\n");
180 gdb_put_packet(connection
, "OK", 2);
184 target
->rtos
->symbols
[symbol_num
].address
= value
;
186 next_symbol_num
= symbol_num
+1;
191 int symbols_done
= 0;
192 if (target
->rtos
->symbols
[next_symbol_num
].symbol_name
== NULL
) {
193 if ((target
->rtos_auto_detect
== false) ||
194 (1 == target
->rtos
->type
->detect_rtos(target
))) {
195 /* Found correct RTOS or not autodetecting */
196 if (target
->rtos_auto_detect
== true)
197 LOG_OUTPUT("Auto-detected RTOS: %s\r\n", target
->rtos
->type
->name
);
200 /* Auto detecting RTOS and currently not found */
201 if (1 != rtos_try_next(target
))
202 /* No more RTOS's to try */
206 target
->rtos
->type
->get_symbol_list_to_lookup(&target
->rtos
->symbols
);
210 if (symbols_done
== 1)
213 char *symname
= target
->rtos
->symbols
[next_symbol_num
].symbol_name
;
214 char qsymstr
[] = "qSymbol:";
215 char *opstring
= (char *)malloc(sizeof(qsymstr
)+strlen(symname
)*2+1);
216 char *posptr
= opstring
;
217 posptr
+= sprintf(posptr
, "%s", qsymstr
);
218 str_to_hex(posptr
, symname
);
219 gdb_put_packet(connection
, opstring
, strlen(opstring
));
224 gdb_put_packet(connection
, "OK", 2);
229 int rtos_thread_packet(struct connection
*connection
, char *packet
, int packet_size
)
231 struct target
*target
= get_target_from_connection(connection
);
233 if (strstr(packet
, "qThreadExtraInfo,"))
235 if ((target
->rtos
!= NULL
) && (target
->rtos
->thread_details
!= NULL
) && (target
->rtos
->thread_count
!= 0))
237 threadid_t threadid
= 0;
239 sscanf(packet
, "qThreadExtraInfo,%" SCNx64
, &threadid
);
241 if ((target
->rtos
!= NULL
) && (target
->rtos
->thread_details
244 for (thread_num
= 0; thread_num
245 < target
->rtos
->thread_count
; thread_num
++) {
246 if (target
->rtos
->thread_details
[thread_num
].threadid
248 if (target
->rtos
->thread_details
[thread_num
].exists
) {
255 gdb_put_packet(connection
, "E01", 3); // thread not found
259 struct thread_detail
* detail
= &target
->rtos
->thread_details
[found
];
262 if ( detail
->display_str
!= NULL
)
264 str_size
+= strlen(detail
->display_str
);
266 if ( detail
->thread_name_str
!= NULL
)
268 str_size
+= strlen(detail
->thread_name_str
);
270 if ( detail
->extra_info_str
!= NULL
)
272 str_size
+= strlen(detail
->extra_info_str
);
275 char * tmp_str
= (char*) malloc( str_size
+ 7 );
276 char* tmp_str_ptr
= tmp_str
;
278 if ( detail
->display_str
!= NULL
)
280 tmp_str_ptr
+= sprintf( tmp_str_ptr
, "%s", detail
->display_str
);
282 if ( detail
->thread_name_str
!= NULL
)
284 if ( tmp_str_ptr
!= tmp_str
)
286 tmp_str_ptr
+= sprintf( tmp_str_ptr
, " : " );
288 tmp_str_ptr
+= sprintf( tmp_str_ptr
, "%s", detail
->thread_name_str
);
290 if ( detail
->extra_info_str
!= NULL
)
292 if ( tmp_str_ptr
!= tmp_str
)
294 tmp_str_ptr
+= sprintf( tmp_str_ptr
, " : " );
296 tmp_str_ptr
+= sprintf( tmp_str_ptr
, " : %s", detail
->extra_info_str
);
299 assert(strlen(tmp_str
) ==
300 (size_t) (tmp_str_ptr
- tmp_str
));
302 char * hex_str
= (char*) malloc( strlen(tmp_str
)*2 +1 );
303 str_to_hex( hex_str
, tmp_str
);
305 gdb_put_packet(connection
, hex_str
, strlen(hex_str
));
311 gdb_put_packet(connection
, "", 0);
314 else if (strstr(packet
, "qSymbol"))
316 if (rtos_qsymbol(connection
, packet
, packet_size
) == 1)
318 target
->rtos_auto_detect
= false;
319 target
->rtos
->type
->create(target
);
320 target
->rtos
->type
->update_threads(target
->rtos
);
321 /* No more symbols needed */
322 gdb_put_packet(connection
, "OK", 2);
326 else if (strstr(packet
, "qfThreadInfo"))
329 if ( ( target
->rtos
!= NULL
) && ( target
->rtos
->thread_count
!= 0 ) )
332 char* out_str
= (char*) malloc(17 * target
->rtos
->thread_count
+ 5);
333 char* tmp_str
= out_str
;
334 tmp_str
+= sprintf(tmp_str
, "m");
335 for (i
= 0; i
< target
->rtos
->thread_count
; i
++) {
337 tmp_str
+= sprintf(tmp_str
, ",");
339 tmp_str
+= sprintf(tmp_str
, "%016" PRIx64
,
340 target
->rtos
->thread_details
[i
].threadid
);
343 gdb_put_packet(connection
, out_str
, strlen(out_str
));
347 gdb_put_packet(connection
, "", 0);
352 else if (strstr(packet
, "qsThreadInfo"))
354 gdb_put_packet(connection
, "l", 1);
357 else if (strstr(packet
, "qAttached"))
359 gdb_put_packet(connection
, "1", 1);
362 else if (strstr(packet
, "qOffsets"))
364 char offsets
[] = "Text=0;Data=0;Bss=0";
365 gdb_put_packet(connection
, offsets
, sizeof(offsets
)-1);
368 else if (strstr(packet
, "qC"))
370 if( target
->rtos
!=NULL
)
374 size
= snprintf(buffer
, 15, "QC%08X", (int)target
->rtos
->current_thread
);
375 gdb_put_packet(connection
, buffer
, size
);
379 gdb_put_packet(connection
, "QC0", 3);
383 else if ( packet
[0] == 'T' ) // Is thread alive?
387 sscanf(packet
, "T%" SCNx64
, &threadid
);
388 if ((target
->rtos
!= NULL
) && (target
->rtos
->thread_details
391 for (thread_num
= 0; thread_num
392 < target
->rtos
->thread_count
; thread_num
++) {
393 if (target
->rtos
->thread_details
[thread_num
].threadid
395 if (target
->rtos
->thread_details
[thread_num
].exists
) {
402 gdb_put_packet(connection
, "OK", 2); // thread alive
404 gdb_put_packet(connection
, "E01", 3); // thread not found
408 else if ( packet
[0] == 'H') // Set current thread ( 'c' for step and continue, 'g' for all other operations )
410 if ((packet
[1] == 'g') && (target
->rtos
!= NULL
))
411 sscanf(packet
, "Hg%16" SCNx64
, &target
->rtos
->current_threadid
);
412 gdb_put_packet(connection
, "OK", 2);
416 return GDB_THREAD_PACKET_NOT_CONSUMED
;
419 int rtos_get_gdb_reg_list(struct connection
*connection
)
421 struct target
*target
= get_target_from_connection(connection
);
422 int64_t current_threadid
= target
->rtos
->current_threadid
;
423 if ((target
->rtos
!= NULL
) &&
424 (current_threadid
!= -1) &&
425 (current_threadid
!= 0) &&
426 ((current_threadid
!= target
->rtos
->current_thread
) ||
427 (target
->smp
))) /* in smp several current thread are possible */
430 target
->rtos
->type
->get_thread_reg_list( target
->rtos
, current_threadid
, &hex_reg_list
);
432 if ( hex_reg_list
!= NULL
)
434 gdb_put_packet(connection
, hex_reg_list
, strlen(hex_reg_list
));
444 int rtos_generic_stack_read( struct target
* target
, const struct rtos_register_stacking
* stacking
, int64_t stack_ptr
, char ** hex_reg_list
)
448 int64_t new_stack_ptr
;
454 LOG_OUTPUT("Error: null stack pointer in thread\r\n");
458 uint8_t * stack_data
= (uint8_t*) malloc( stacking
->stack_registers_size
);
459 uint32_t address
= stack_ptr
;
461 if ( stacking
->stack_growth_direction
== 1 )
463 address
-= stacking
->stack_registers_size
;
465 retval
= target_read_buffer( target
, address
, stacking
->stack_registers_size
, stack_data
);
466 if ( retval
!= ERROR_OK
)
468 LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
472 LOG_OUTPUT("Stack Data :");
473 for(i = 0; i < stacking->stack_registers_size; i++ )
475 LOG_OUTPUT("%02X",stack_data[i]);
479 for( i
= 0; i
< stacking
->num_output_registers
; i
++ )
481 list_size
+= stacking
->register_offsets
[i
].width_bits
/8;
483 *hex_reg_list
= (char*)malloc( list_size
*2 +1 );
484 tmp_str_ptr
= *hex_reg_list
;
485 new_stack_ptr
= stack_ptr
- stacking
->stack_growth_direction
* stacking
->stack_registers_size
;
486 if (stacking
->stack_alignment
!= 0) {
487 /* Align new stack pointer to x byte boundary */
489 (new_stack_ptr
& (~((int64_t) stacking
->stack_alignment
- 1))) +
490 ((stacking
->stack_growth_direction
== -1) ? stacking
->stack_alignment
: 0);
492 for( i
= 0; i
< stacking
->num_output_registers
; i
++ )
495 for ( j
= 0; j
< stacking
->register_offsets
[i
].width_bits
/8; j
++ )
497 if ( stacking
->register_offsets
[i
].offset
== -1 )
499 tmp_str_ptr
+= sprintf( tmp_str_ptr
, "%02x", 0 );
501 else if ( stacking
->register_offsets
[i
].offset
== -2 )
503 tmp_str_ptr
+= sprintf( tmp_str_ptr
, "%02x", ((uint8_t*)&new_stack_ptr
)[j
] );
507 tmp_str_ptr
+= sprintf( tmp_str_ptr
,"%02x", stack_data
[ stacking
->register_offsets
[i
].offset
+ j
] );
511 // LOG_OUTPUT("Output register string: %s\r\n", *hex_reg_list);
515 int rtos_try_next( struct target
* target
)
519 if ( target
->rtos
== NULL
)
524 for (x
= 0 ; rtos_types
[x
] ; x
++) {
525 if (target
->rtos
->type
== rtos_types
[x
] ) {
527 if ( rtos_types
[x
+1] != NULL
)
529 target
->rtos
->type
= rtos_types
[x
+1];
530 if ( target
->rtos
->symbols
!= NULL
)
532 free( target
->rtos
->symbols
);
538 // No more rtos types
548 static void hex_to_str( char* dst
, char * hex_src
)
553 while ( hex_src
[src_pos
] != '\x00' )
555 char hex_char
= hex_src
[src_pos
];
556 char hex_digit_val
= (hex_char
>='a')?hex_char
-'a'+10:(hex_char
>='A')?hex_char
-'A'+10:hex_char
-'0';
557 if ( 0 == (src_pos
& 0x01) )
559 dst
[dst_pos
] = hex_digit_val
;
564 ((unsigned char*)dst
)[dst_pos
] <<= 4;
565 ((unsigned char*)dst
)[dst_pos
] += hex_digit_val
;
573 int str_to_hex(char *hex_dst
, char *src
)
575 char * posptr
= hex_dst
;
577 for( i
= 0; i
< strlen(src
); i
++)
579 posptr
+= sprintf( posptr
, "%02x", (unsigned char)src
[i
] );
581 return (posptr
-hex_dst
);
585 int rtos_update_threads( struct target
* target
)
587 if ((target
->rtos
!= NULL
) && (target
->rtos
->type
!= NULL
))
589 target
->rtos
->type
->update_threads(target
->rtos
);
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