433ca26f1a
Change-Id: I1b26f7efd3ad4a060f772dd12408e77a03d93cea Signed-off-by: Michel JAOUEN <michel.jaouen@stericsson.com> Reviewed-on: http://openocd.zylin.com/347 Tested-by: jenkins Reviewed-by: Evan Hunter <evan@ozhiker.com> Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>
591 lines
16 KiB
C
591 lines
16 KiB
C
/***************************************************************************
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* Copyright (C) 2011 by Broadcom Corporation *
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* Evan Hunter - ehunter@broadcom.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "rtos.h"
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#include "target/target.h"
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#include "helper/log.h"
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#include "server/gdb_server.h"
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static void hex_to_str( char* dst, char * hex_src );
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/* RTOSs */
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extern struct rtos_type FreeRTOS_rtos;
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extern struct rtos_type ThreadX_rtos;
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extern struct rtos_type eCos_rtos;
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static struct rtos_type *rtos_types[] =
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{
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&ThreadX_rtos,
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&FreeRTOS_rtos,
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&eCos_rtos,
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NULL
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};
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int rtos_thread_packet(struct connection *connection, char *packet, int packet_size);
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int rtos_smp_init(struct target *target)
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{
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if (target->rtos->type->smp_init)
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return target->rtos->type->smp_init(target);
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return ERROR_TARGET_INIT_FAILED;
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}
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int rtos_create(Jim_GetOptInfo *goi, struct target * target)
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{
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int x;
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char *cp;
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if (! goi->isconfigure) {
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if (goi->argc != 0) {
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if (goi->argc != 0) {
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Jim_WrongNumArgs(goi->interp,
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goi->argc, goi->argv,
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"NO PARAMS");
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return JIM_ERR;
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}
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Jim_SetResultString(goi->interp,
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target_type_name(target), -1);
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}
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}
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if (target->rtos) {
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free((void *)(target->rtos));
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}
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// e = Jim_GetOpt_String(goi, &cp, NULL);
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// target->rtos = strdup(cp);
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Jim_GetOpt_String(goi, &cp, NULL);
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/* now does target type exist */
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if ( 0 == strcmp( cp, "auto") )
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{
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// auto detection of RTOS
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target->rtos_auto_detect = true;
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x = 0;
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}
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else
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{
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for (x = 0 ; rtos_types[x] ; x++) {
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if (0 == strcmp(cp, rtos_types[x]->name)) {
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/* found */
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break;
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}
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}
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if (rtos_types[x] == NULL) {
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Jim_SetResultFormatted(goi->interp, "Unknown rtos type %s, try one of ", cp);
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for (x = 0 ; rtos_types[x] ; x++) {
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if (rtos_types[x + 1]) {
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Jim_AppendStrings(goi->interp,
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Jim_GetResult(goi->interp),
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rtos_types[x]->name,
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", ", NULL);
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} else {
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Jim_AppendStrings(goi->interp,
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Jim_GetResult(goi->interp),
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" or ",
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rtos_types[x]->name,NULL);
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}
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}
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return JIM_ERR;
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}
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}
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/* Create it */
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target->rtos = calloc(1,sizeof(struct rtos));
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target->rtos->type = rtos_types[x];
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target->rtos->current_threadid = -1;
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target->rtos->current_thread = 0;
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target->rtos->symbols = NULL;
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target->rtos->target = target;
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/* put default thread handler in linux usecase it is overloaded*/
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target->rtos->gdb_thread_packet = rtos_thread_packet;
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if ( 0 != strcmp( cp, "auto") )
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{
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target->rtos->type->create( target );
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}
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return JIM_OK;
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}
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int gdb_thread_packet(struct connection *connection, char *packet, int packet_size)
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{
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struct target *target = get_target_from_connection(connection);
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if (target->rtos == NULL)
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return rtos_thread_packet(connection, packet, packet_size); /* thread not found*/
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return target->rtos->gdb_thread_packet(connection, packet, packet_size);
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}
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/* return -1 if no rtos defined, 0 if rtos and symbol to be asked, 1 if all
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* symbol have been asked*/
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int rtos_qsymbol(struct connection *connection, char *packet, int packet_size)
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{
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struct target *target = get_target_from_connection(connection);
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if (target->rtos != NULL) {
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int next_symbol_num = -1;
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if (target->rtos->symbols == NULL)
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target->rtos->type->get_symbol_list_to_lookup(&target->rtos->symbols);
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if (0 == strcmp("qSymbol::", packet))
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/* first query - */
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next_symbol_num = 0;
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else {
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int64_t value = 0;
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char *hex_name_str = malloc(strlen(packet));
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char *name_str;
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int symbol_num;
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char *found = strstr(packet, "qSymbol::");
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if (0 == found)
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sscanf(packet, "qSymbol:%" SCNx64 ":%s", &value, hex_name_str);
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else
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/* No value returned by GDB - symbol was not found*/
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sscanf(packet, "qSymbol::%s", hex_name_str);
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name_str = (char *) malloc(1 + strlen(hex_name_str) / 2);
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hex_to_str(name_str, hex_name_str);
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symbol_num = 0;
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while ((target->rtos->symbols[symbol_num].symbol_name != NULL)
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&& (0 != strcmp(target->rtos->symbols[symbol_num].symbol_name, name_str)))
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symbol_num++;
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if (target->rtos->symbols[symbol_num].symbol_name == NULL) {
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LOG_OUTPUT("ERROR: unknown symbol\r\n");
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gdb_put_packet(connection, "OK", 2);
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return ERROR_OK;
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}
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target->rtos->symbols[symbol_num].address = value;
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next_symbol_num = symbol_num+1;
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free(hex_name_str);
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free(name_str);
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}
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int symbols_done = 0;
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if (target->rtos->symbols[next_symbol_num].symbol_name == NULL) {
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if ((target->rtos_auto_detect == false) ||
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(1 == target->rtos->type->detect_rtos(target))) {
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/* Found correct RTOS or not autodetecting */
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if (target->rtos_auto_detect == true)
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LOG_OUTPUT("Auto-detected RTOS: %s\r\n", target->rtos->type->name);
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symbols_done = 1;
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} else {
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/* Auto detecting RTOS and currently not found */
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if (1 != rtos_try_next(target))
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/* No more RTOS's to try */
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symbols_done = 1;
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else {
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next_symbol_num = 0;
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target->rtos->type->get_symbol_list_to_lookup(&target->rtos->symbols);
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}
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}
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}
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if (symbols_done == 1)
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return symbols_done;
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else {
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char *symname = target->rtos->symbols[next_symbol_num].symbol_name;
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char qsymstr[] = "qSymbol:";
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char *opstring = (char *)malloc(sizeof(qsymstr)+strlen(symname)*2+1);
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char *posptr = opstring;
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posptr += sprintf(posptr, "%s", qsymstr);
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str_to_hex(posptr, symname);
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gdb_put_packet(connection, opstring, strlen(opstring));
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free(opstring);
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return symbols_done;
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}
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}
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gdb_put_packet(connection, "OK", 2);
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return -1;
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}
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int rtos_thread_packet(struct connection *connection, char *packet, int packet_size)
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{
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struct target *target = get_target_from_connection(connection);
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if (strstr(packet, "qThreadExtraInfo,"))
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{
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if ((target->rtos != NULL) && (target->rtos->thread_details != NULL) && (target->rtos->thread_count != 0))
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{
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threadid_t threadid = 0;
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int found = -1;
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sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid );
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if ((target->rtos != NULL) && (target->rtos->thread_details
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!= NULL)) {
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int thread_num;
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for (thread_num = 0; thread_num
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< target->rtos->thread_count; thread_num++) {
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if (target->rtos->thread_details[thread_num].threadid
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== threadid) {
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if (target->rtos->thread_details[thread_num].exists) {
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found = thread_num;
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}
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}
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}
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}
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if (found == -1) {
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gdb_put_packet(connection, "E01", 3); // thread not found
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return ERROR_OK;
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}
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struct thread_detail* detail = &target->rtos->thread_details[found];
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int str_size = 0;
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if ( detail->display_str != NULL )
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{
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str_size += strlen(detail->display_str);
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}
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if ( detail->thread_name_str != NULL )
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{
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str_size += strlen(detail->thread_name_str);
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}
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if ( detail->extra_info_str != NULL )
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{
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str_size += strlen(detail->extra_info_str);
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}
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char * tmp_str = (char*) malloc( str_size + 7 );
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char* tmp_str_ptr = tmp_str;
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if ( detail->display_str != NULL )
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{
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tmp_str_ptr += sprintf( tmp_str_ptr, "%s", detail->display_str );
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}
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if ( detail->thread_name_str != NULL )
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{
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if ( tmp_str_ptr != tmp_str )
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{
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tmp_str_ptr += sprintf( tmp_str_ptr, " : " );
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}
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tmp_str_ptr += sprintf( tmp_str_ptr, "%s", detail->thread_name_str );
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}
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if ( detail->extra_info_str != NULL )
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{
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if ( tmp_str_ptr != tmp_str )
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{
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tmp_str_ptr += sprintf( tmp_str_ptr, " : " );
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}
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tmp_str_ptr += sprintf( tmp_str_ptr, " : %s", detail->extra_info_str );
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}
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assert(strlen(tmp_str) ==
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(size_t) (tmp_str_ptr - tmp_str));
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char * hex_str = (char*) malloc( strlen(tmp_str)*2 +1 );
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str_to_hex( hex_str, tmp_str );
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gdb_put_packet(connection, hex_str, strlen(hex_str));
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free(hex_str);
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free(tmp_str);
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return ERROR_OK;
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}
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gdb_put_packet(connection, "", 0);
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return ERROR_OK;
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}
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else if (strstr(packet, "qSymbol"))
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{
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if (rtos_qsymbol(connection, packet, packet_size) == 1)
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{
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target->rtos_auto_detect = false;
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target->rtos->type->create(target);
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target->rtos->type->update_threads(target->rtos);
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/* No more symbols needed */
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gdb_put_packet(connection, "OK", 2);
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}
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return ERROR_OK;
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}
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else if (strstr(packet, "qfThreadInfo"))
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{
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int i;
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if ( ( target->rtos != NULL ) && ( target->rtos->thread_count != 0 ) )
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{
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char* out_str = (char*) malloc(17 * target->rtos->thread_count + 5);
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char* tmp_str = out_str;
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tmp_str += sprintf(tmp_str, "m");
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for (i = 0; i < target->rtos->thread_count; i++) {
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if (i != 0) {
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tmp_str += sprintf(tmp_str, ",");
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}
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tmp_str += sprintf(tmp_str, "%016" PRIx64,
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target->rtos->thread_details[i].threadid);
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}
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tmp_str[0] = 0;
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gdb_put_packet(connection, out_str, strlen(out_str));
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}
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else
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{
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gdb_put_packet(connection, "", 0);
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}
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return ERROR_OK;
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}
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else if (strstr(packet, "qsThreadInfo"))
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{
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gdb_put_packet(connection, "l", 1);
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return ERROR_OK;
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}
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else if (strstr(packet, "qAttached"))
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{
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gdb_put_packet(connection, "1", 1);
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return ERROR_OK;
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}
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else if (strstr(packet, "qOffsets"))
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{
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char offsets[] = "Text=0;Data=0;Bss=0";
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gdb_put_packet(connection, offsets, sizeof(offsets)-1);
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return ERROR_OK;
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}
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else if (strstr(packet, "qC"))
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{
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if( target->rtos!=NULL )
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{
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char buffer[15];
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int size;
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size = snprintf(buffer, 15, "QC%08X", (int)target->rtos->current_thread);
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gdb_put_packet(connection, buffer, size);
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}
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else
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{
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gdb_put_packet(connection, "QC0", 3);
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}
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return ERROR_OK;
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}
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else if ( packet[0] == 'T' ) // Is thread alive?
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{
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threadid_t threadid;
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int found = -1;
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sscanf(packet, "T%" SCNx64, &threadid);
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if ((target->rtos != NULL) && (target->rtos->thread_details
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!= NULL)) {
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int thread_num;
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for (thread_num = 0; thread_num
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< target->rtos->thread_count; thread_num++) {
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if (target->rtos->thread_details[thread_num].threadid
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== threadid) {
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if (target->rtos->thread_details[thread_num].exists) {
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found = thread_num;
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}
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}
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}
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}
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if (found != -1) {
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gdb_put_packet(connection, "OK", 2); // thread alive
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} else {
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gdb_put_packet(connection, "E01", 3); // thread not found
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}
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return ERROR_OK;
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}
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else if ( packet[0] == 'H') // Set current thread ( 'c' for step and continue, 'g' for all other operations )
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{
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if ((packet[1] == 'g') && (target->rtos != NULL))
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sscanf(packet, "Hg%16" SCNx64, &target->rtos->current_threadid);
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gdb_put_packet(connection, "OK", 2);
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return ERROR_OK;
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}
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return GDB_THREAD_PACKET_NOT_CONSUMED;
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}
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int rtos_get_gdb_reg_list(struct connection *connection)
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{
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struct target *target = get_target_from_connection(connection);
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int64_t current_threadid = target->rtos->current_threadid;
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if ((target->rtos != NULL) &&
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(current_threadid != -1) &&
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(current_threadid != 0) &&
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((current_threadid != target->rtos->current_thread) ||
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(target->smp))) /* in smp several current thread are possible */
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{
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char * hex_reg_list;
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target->rtos->type->get_thread_reg_list( target->rtos, current_threadid, &hex_reg_list );
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if ( hex_reg_list != NULL )
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{
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gdb_put_packet(connection, hex_reg_list, strlen(hex_reg_list));
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free(hex_reg_list);
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return ERROR_OK;
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}
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}
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return ERROR_FAIL;
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}
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int rtos_generic_stack_read( struct target * target, const struct rtos_register_stacking* stacking, int64_t stack_ptr, char ** hex_reg_list )
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{
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int list_size = 0;
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char * tmp_str_ptr;
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int64_t new_stack_ptr;
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int i;
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int retval;
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if ( stack_ptr == 0)
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{
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LOG_OUTPUT("Error: null stack pointer in thread\r\n");
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return -5;
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}
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// Read the stack
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uint8_t * stack_data = (uint8_t*) malloc( stacking->stack_registers_size );
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uint32_t address = stack_ptr;
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if ( stacking->stack_growth_direction == 1 )
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{
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address -= stacking->stack_registers_size;
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}
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retval = target_read_buffer( target, address, stacking->stack_registers_size, stack_data);
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if ( retval != ERROR_OK )
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{
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LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
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return retval;
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}
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/*
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LOG_OUTPUT("Stack Data :");
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for(i = 0; i < stacking->stack_registers_size; i++ )
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{
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LOG_OUTPUT("%02X",stack_data[i]);
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}
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LOG_OUTPUT("\r\n");
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*/
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for( i = 0; i < stacking->num_output_registers; i++ )
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{
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list_size += stacking->register_offsets[i].width_bits/8;
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}
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*hex_reg_list = (char*)malloc( list_size*2 +1 );
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tmp_str_ptr = *hex_reg_list;
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new_stack_ptr = stack_ptr - stacking->stack_growth_direction * stacking->stack_registers_size;
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if (stacking->stack_alignment != 0) {
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/* Align new stack pointer to x byte boundary */
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new_stack_ptr =
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(new_stack_ptr & (~((int64_t) stacking->stack_alignment - 1))) +
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((stacking->stack_growth_direction == -1) ? stacking->stack_alignment : 0);
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}
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for( i = 0; i < stacking->num_output_registers; i++ )
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{
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int j;
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for ( j = 0; j < stacking->register_offsets[i].width_bits/8; j++ )
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{
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if ( stacking->register_offsets[i].offset == -1 )
|
|
{
|
|
tmp_str_ptr += sprintf( tmp_str_ptr, "%02x", 0 );
|
|
}
|
|
else if ( stacking->register_offsets[i].offset == -2 )
|
|
{
|
|
tmp_str_ptr += sprintf( tmp_str_ptr, "%02x", ((uint8_t*)&new_stack_ptr)[j] );
|
|
}
|
|
else
|
|
{
|
|
tmp_str_ptr += sprintf( tmp_str_ptr,"%02x", stack_data[ stacking->register_offsets[i].offset + j ] );
|
|
}
|
|
}
|
|
}
|
|
// LOG_OUTPUT("Output register string: %s\r\n", *hex_reg_list);
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int rtos_try_next( struct target * target )
|
|
{
|
|
int x;
|
|
|
|
if ( target->rtos == NULL )
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
for (x = 0 ; rtos_types[x] ; x++) {
|
|
if (target->rtos->type == rtos_types[x] ) {
|
|
/* found */
|
|
if ( rtos_types[x+1] != NULL )
|
|
{
|
|
target->rtos->type = rtos_types[x+1];
|
|
if ( target->rtos->symbols != NULL )
|
|
{
|
|
free( target->rtos->symbols );
|
|
}
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
// No more rtos types
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
static void hex_to_str( char* dst, char * hex_src )
|
|
{
|
|
int src_pos = 0;
|
|
int dst_pos = 0;
|
|
|
|
while ( hex_src[src_pos] != '\x00' )
|
|
{
|
|
char hex_char = hex_src[src_pos];
|
|
char hex_digit_val = (hex_char>='a')?hex_char-'a'+10:(hex_char>='A')?hex_char-'A'+10:hex_char-'0';
|
|
if ( 0 == (src_pos & 0x01) )
|
|
{
|
|
dst[dst_pos] = hex_digit_val;
|
|
dst[dst_pos+1] = 0;
|
|
}
|
|
else
|
|
{
|
|
((unsigned char*)dst)[dst_pos] <<= 4;
|
|
((unsigned char*)dst)[dst_pos] += hex_digit_val;
|
|
dst_pos++;
|
|
}
|
|
src_pos++;
|
|
}
|
|
|
|
}
|
|
|
|
int str_to_hex(char *hex_dst, char *src)
|
|
{
|
|
char * posptr = hex_dst;
|
|
unsigned i;
|
|
for( i = 0; i < strlen(src); i++)
|
|
{
|
|
posptr += sprintf( posptr, "%02x", (unsigned char)src[i] );
|
|
}
|
|
return (posptr-hex_dst);
|
|
}
|
|
|
|
|
|
int rtos_update_threads( struct target* target )
|
|
{
|
|
if ((target->rtos != NULL) && (target->rtos->type != NULL))
|
|
{
|
|
target->rtos->type->update_threads(target->rtos);
|
|
}
|
|
return ERROR_OK;
|
|
}
|