rtos: Rewrite rtos_try_next() for readability
[openocd.git] / src / rtos / rtos.c
index 818a97937a6be832e69f351736bf2b062fced84f..aa0976b5c5b2dede68dda6e3c4aef0413320269b 100644 (file)
 #include "config.h"
 #endif
 
-
 #include "rtos.h"
 #include "target/target.h"
 #include "helper/log.h"
 #include "server/gdb_server.h"
 
-
-static int64_t current_threadid = -1;
-
-static void hex_to_str( char* dst, char * hex_src );
-static int str_to_hex( char* hex_dst, char* src );
-
+static void hex_to_str(char *dst, char *hex_src);
 
 /* RTOSs */
 extern struct rtos_type FreeRTOS_rtos;
 extern struct rtos_type ThreadX_rtos;
 extern struct rtos_type eCos_rtos;
+extern struct rtos_type Linux_os;
 
-static struct rtos_type *rtos_types[] =
-{
+static struct rtos_type *rtos_types[] = {
        &ThreadX_rtos,
        &FreeRTOS_rtos,
        &eCos_rtos,
+       &Linux_os,
        NULL
 };
 
+int rtos_thread_packet(struct connection *connection, char *packet, int packet_size);
 
-int rtos_create(Jim_GetOptInfo *goi, struct target * target)
+int rtos_smp_init(struct target *target)
 {
-       int x;
-       char *cp;
-
-       if (! goi->isconfigure) {
-               if (goi->argc != 0) {
-                       if (goi->argc != 0) {
-                               Jim_WrongNumArgs(goi->interp,
-                                               goi->argc, goi->argv,
-                                               "NO PARAMS");
-                               return JIM_ERR;
-                       }
-
-                       Jim_SetResultString(goi->interp,
-                                       target_type_name(target), -1);
-               }
-       }
+       if (target->rtos->type->smp_init)
+               return target->rtos->type->smp_init(target);
+       return ERROR_TARGET_INIT_FAILED;
+}
 
-       if (target->rtos) {
-               free((void *)(target->rtos));
-       }
-//                     e = Jim_GetOpt_String(goi, &cp, NULL);
-//                     target->rtos = strdup(cp);
+static int os_alloc(struct target *target, struct rtos_type *ostype)
+{
+       struct rtos *os = target->rtos = calloc(1, sizeof(struct rtos));
 
-       Jim_GetOpt_String(goi, &cp, NULL);
-       /* now does target type exist */
+       if (!os)
+               return JIM_ERR;
 
-       if ( 0 == strcmp( cp, "auto") )
-       {
-               // auto detection of RTOS
-               target->rtos_auto_detect = true;
-               x = 0;
-       }
-       else
-       {
+       os->type = ostype;
+       os->current_threadid = -1;
+       os->current_thread = 0;
+       os->symbols = NULL;
+       os->target = target;
 
-               for (x = 0 ; rtos_types[x] ; x++) {
-                       if (0 == strcmp(cp, rtos_types[x]->name)) {
-                               /* found */
-                               break;
-                       }
-               }
-               if (rtos_types[x] == NULL) {
-                       Jim_SetResultFormatted(goi->interp, "Unknown rtos type %s, try one of ", cp);
-                       for (x = 0 ; rtos_types[x] ; x++) {
-                               if (rtos_types[x + 1]) {
-                                       Jim_AppendStrings(goi->interp,
-                                                                          Jim_GetResult(goi->interp),
-                                                                          rtos_types[x]->name,
-                                                                          ", ", NULL);
-                               } else {
-                                       Jim_AppendStrings(goi->interp,
-                                                                          Jim_GetResult(goi->interp),
-                                                                          " or ",
-                                                                          rtos_types[x]->name,NULL);
-                               }
-                       }
-                       return JIM_ERR;
-               }
-       }
-       /* Create it */
-       target->rtos = calloc(1,sizeof(struct rtos));
-       target->rtos->type = rtos_types[x];
-       target->rtos->current_thread = 0;
-       target->rtos->symbols = NULL;
-       target->rtos->target = target;
-
-       if ( 0 != strcmp( cp, "auto") )
-       {
-               target->rtos->type->create( target );
-       }
+       /* RTOS drivers can override the packet handler in _create(). */
+       os->gdb_thread_packet = rtos_thread_packet;
 
        return JIM_OK;
 }
 
+static void os_free(struct target *target)
+{
+       if (!target->rtos)
+               return;
 
+       if (target->rtos->symbols)
+               free(target->rtos->symbols);
 
+       free(target->rtos);
+       target->rtos = NULL;
+}
 
-int gdb_thread_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
+static int os_alloc_create(struct target *target, struct rtos_type *ostype)
 {
-       if (strstr(packet, "qP"))
-       {
-               #define TAG_THREADID 1          /* Echo the thread identifier */
-               #define TAG_EXISTS 2            /* Is this process defined enough to
-                                                  fetch registers and its stack */
-               #define TAG_DISPLAY 4           /* A short thing maybe to put on a window */
-               #define TAG_THREADNAME 8        /* string, maps 1-to-1 with a thread is */
-               #define TAG_MOREDISPLAY 16      /* Whatever the kernel wants to say about */
+       int ret = os_alloc(target, ostype);
 
-                       // TODO: need to scanf the mode variable (or it with the tags), and the threadid
+       if (JIM_OK == ret) {
+               ret = target->rtos->type->create(target);
+               if (ret != JIM_OK)
+                       os_free(target);
+       }
 
-               unsigned long mode;
-               threadid_t threadid = 0;
-               struct thread_detail* detail;
-               sscanf(packet, "qP%8lx%16" SCNx64, &mode, &threadid);
+       return ret;
+}
 
+int rtos_create(Jim_GetOptInfo *goi, struct target *target)
+{
+       int x;
+       char *cp;
+       struct Jim_Obj *res;
 
-               int found = -1;
+       if (!goi->isconfigure && goi->argc != 0) {
+               Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
+               return JIM_ERR;
+       }
 
-               if ((target->rtos != NULL) && (target->rtos->thread_details
-                               != NULL)) {
-                       int thread_num;
-                       for (thread_num = 0; thread_num
-                                       < target->rtos->thread_count; thread_num++) {
-                               if (target->rtos->thread_details[thread_num].threadid
-                                               == threadid) {
-                                       if (target->rtos->thread_details[thread_num].exists) {
-                                               found = thread_num;
-                                       }
-                               }
-                       }
-               }
-               if (found == -1) {
-                       gdb_put_packet(connection, "E01", 3); // thread not found
-                       return ERROR_OK;
-               }
+       os_free(target);
 
-               detail = &target->rtos->thread_details[found];
+       Jim_GetOpt_String(goi, &cp, NULL);
 
-               if ( detail->display_str != NULL )
-               {
-                       mode &= TAG_DISPLAY;
-               }
-               if ( detail->thread_name_str != NULL )
-               {
-                       mode &= TAG_THREADNAME;
-               }
-               if ( detail->extra_info_str != NULL )
-               {
-                       mode &= TAG_MOREDISPLAY;
-               }
+       if (0 == strcmp(cp, "auto")) {
+               /* Auto detect tries to look up all symbols for each RTOS,
+                * and runs the RTOS driver's _detect() function when GDB
+                * finds all symbols for any RTOS. See rtos_qsymbol(). */
+               target->rtos_auto_detect = true;
 
+               /* rtos_qsymbol() will iterate over all RTOSes. Allocate
+                * target->rtos here, and set it to the first RTOS type. */
+               return os_alloc(target, rtos_types[0]);
+       }
 
-               mode &= TAG_THREADID | TAG_EXISTS;
+       for (x = 0; rtos_types[x]; x++)
+               if (0 == strcmp(cp, rtos_types[x]->name))
+                       return os_alloc_create(target, rtos_types[x]);
 
-               char thread_str[1000];
+       Jim_SetResultFormatted(goi->interp, "Unknown RTOS type %s, try one of: ", cp);
+       res = Jim_GetResult(goi->interp);
+       for (x = 0; rtos_types[x]; x++)
+               Jim_AppendStrings(goi->interp, res, rtos_types[x]->name, ", ", NULL);
+       Jim_AppendStrings(goi->interp, res, " or auto", NULL);
+
+       return JIM_ERR;
+}
 
-               sprintf(thread_str, "%08lx", mode);
-               sprintf(thread_str, "%016" PRIx64, threadid);
+int gdb_thread_packet(struct connection *connection, char *packet, int packet_size)
+{
+       struct target *target = get_target_from_connection(connection);
+       if (target->rtos == NULL)
+               return rtos_thread_packet(connection, packet, packet_size);     /* thread not
+                                                                                *found*/
+       return target->rtos->gdb_thread_packet(connection, packet, packet_size);
+}
+/* return -1 if no rtos defined, 0 if rtos and symbol to be asked, 1 if all
+ * symbol have been asked*/
+int rtos_qsymbol(struct connection *connection, char *packet, int packet_size)
+{
+       struct target *target = get_target_from_connection(connection);
+       if (target->rtos != NULL) {
+               int next_symbol_num = -1;
+               if (target->rtos->symbols == NULL)
+                       target->rtos->type->get_symbol_list_to_lookup(&target->rtos->symbols);
+               if (0 == strcmp("qSymbol::", packet))
+                       /* first query - */
+                       next_symbol_num = 0;
+               else {
+                       int64_t value = 0;
+                       char *hex_name_str = malloc(strlen(packet));
+                       char *name_str;
+                       int symbol_num;
+
+                       char *found = strstr(packet, "qSymbol::");
+                       if (0 == found)
+                               sscanf(packet, "qSymbol:%" SCNx64 ":%s", &value, hex_name_str);
+                       else
+                               /* No value returned by GDB - symbol was not found*/
+                               sscanf(packet, "qSymbol::%s", hex_name_str);
+                       name_str = (char *) malloc(1 + strlen(hex_name_str) / 2);
+
+                       hex_to_str(name_str, hex_name_str);
+                       symbol_num = 0;
+                       while ((target->rtos->symbols[symbol_num].symbol_name != NULL) &&
+                                       (0 != strcmp(target->rtos->symbols[symbol_num].symbol_name, name_str)))
+                               symbol_num++;
+
+                       if (target->rtos->symbols[symbol_num].symbol_name == NULL) {
+                               LOG_OUTPUT("ERROR: unknown symbol\r\n");
+                               gdb_put_packet(connection, "OK", 2);
+                               free(hex_name_str);
+                               free(name_str);
+                               return ERROR_OK;
+                       }
 
+                       target->rtos->symbols[symbol_num].address = value;
 
-               if (mode & TAG_THREADID) {
-                       sprintf(thread_str, "%08" PRIx32 "10%016" PRIx64, TAG_THREADID, threadid);
-               }
-               if (mode & TAG_EXISTS) {
-                       sprintf(thread_str, "%08" PRIx32 "08%08" PRIx32, TAG_EXISTS, (detail->exists==true)?1:0);
+                       next_symbol_num = symbol_num+1;
+                       free(hex_name_str);
+                       free(name_str);
                }
-               if (mode & TAG_DISPLAY) {
-                       sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_DISPLAY, (unsigned char)strlen(detail->display_str), detail->display_str );
-               }
-               if (mode & TAG_MOREDISPLAY) {
-                       sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_MOREDISPLAY, (unsigned char)strlen(detail->extra_info_str), detail->extra_info_str );
+
+               int symbols_done = 0;
+               if (target->rtos->symbols[next_symbol_num].symbol_name == NULL) {
+                       if ((target->rtos_auto_detect == false) ||
+                                       (1 == target->rtos->type->detect_rtos(target))) {
+                               /* Found correct RTOS or not autodetecting */
+                               if (target->rtos_auto_detect == true)
+                                       LOG_OUTPUT("Auto-detected RTOS: %s\r\n",
+                                               target->rtos->type->name);
+                               symbols_done = 1;
+                       } else {
+                               /* Auto detecting RTOS and currently not found */
+                               if (1 != rtos_try_next(target))
+                                       /* No more RTOS's to try */
+                                       symbols_done = 1;
+                               else {
+                                       next_symbol_num = 0;
+                                       target->rtos->type->get_symbol_list_to_lookup(
+                                               &target->rtos->symbols);
+                               }
+                       }
                }
-               if (mode & TAG_THREADNAME) {
-                       sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_THREADNAME, (unsigned char)strlen(detail->thread_name_str), detail->thread_name_str );
+               if (symbols_done == 1)
+                       return symbols_done;
+               else {
+                       char *symname = target->rtos->symbols[next_symbol_num].symbol_name;
+                       char qsymstr[] = "qSymbol:";
+                       char *opstring = (char *)malloc(sizeof(qsymstr)+strlen(symname)*2+1);
+                       char *posptr = opstring;
+                       posptr += sprintf(posptr, "%s", qsymstr);
+                       str_to_hex(posptr, symname);
+                       gdb_put_packet(connection, opstring, strlen(opstring));
+                       free(opstring);
+                       return symbols_done;
                }
+       }
+       gdb_put_packet(connection, "OK", 2);
+       return -1;
+}
 
-               //gdb_put_packet(connection, tmpstr, sizeof(tmpstr)-1);
-               gdb_put_packet(connection, thread_str, strlen(thread_str));
+int rtos_thread_packet(struct connection *connection, char *packet, int packet_size)
+{
+       struct target *target = get_target_from_connection(connection);
 
-               //                      gdb_put_packet(connection, "", 0);
-               //              gdb_put_packet(connection, "OK", 2); // all threads alive
-               return ERROR_OK;
-       }
-       else if (strstr(packet, "qThreadExtraInfo,"))
-       {
-               if ((target->rtos != NULL) && (target->rtos->thread_details != NULL) && (target->rtos->thread_count != 0))
-               {
+       if (strstr(packet, "qThreadExtraInfo,")) {
+               if ((target->rtos != NULL) && (target->rtos->thread_details != NULL) &&
+                               (target->rtos->thread_count != 0)) {
                        threadid_t threadid = 0;
                        int found = -1;
-                       sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid );
+                       sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid);
 
-                       if ((target->rtos != NULL) && (target->rtos->thread_details
-                                       != NULL)) {
+                       if ((target->rtos != NULL) && (target->rtos->thread_details != NULL)) {
                                int thread_num;
-                               for (thread_num = 0; thread_num
-                                               < target->rtos->thread_count; thread_num++) {
-                                       if (target->rtos->thread_details[thread_num].threadid
-                                                       == threadid) {
-                                               if (target->rtos->thread_details[thread_num].exists) {
+                               for (thread_num = 0; thread_num < target->rtos->thread_count; thread_num++) {
+                                       if (target->rtos->thread_details[thread_num].threadid == threadid) {
+                                               if (target->rtos->thread_details[thread_num].exists)
                                                        found = thread_num;
-                                               }
                                        }
                                }
                        }
                        if (found == -1) {
-                               gdb_put_packet(connection, "E01", 3); // thread not found
+                               gdb_put_packet(connection, "E01", 3);   /* thread not found */
                                return ERROR_OK;
                        }
 
-                       struct thread_detaildetail = &target->rtos->thread_details[found];
+                       struct thread_detail *detail = &target->rtos->thread_details[found];
 
                        int str_size = 0;
-                       if ( detail->display_str != NULL )
-                       {
+                       if (detail->display_str != NULL)
                                str_size += strlen(detail->display_str);
-                       }
-                       if ( detail->thread_name_str != NULL )
-                       {
+                       if (detail->thread_name_str != NULL)
                                str_size += strlen(detail->thread_name_str);
-                       }
-                       if ( detail->extra_info_str != NULL )
-                       {
+                       if (detail->extra_info_str != NULL)
                                str_size += strlen(detail->extra_info_str);
-                       }
 
-                       char * tmp_str = (char*) malloc( str_size + 7 );
-                       char*  tmp_str_ptr = tmp_str;
+                       char *tmp_str = (char *) malloc(str_size + 7);
+                       char *tmp_str_ptr = tmp_str;
 
-                       if ( detail->display_str != NULL )
-                       {
-                               tmp_str_ptr += sprintf( tmp_str_ptr, "%s", detail->display_str );
+                       if (detail->display_str != NULL)
+                               tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->display_str);
+                       if (detail->thread_name_str != NULL) {
+                               if (tmp_str_ptr != tmp_str)
+                                       tmp_str_ptr += sprintf(tmp_str_ptr, " : ");
+                               tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->thread_name_str);
                        }
-                       if ( detail->thread_name_str != NULL )
-                       {
-                               if ( tmp_str_ptr != tmp_str )
-                               {
-                                       tmp_str_ptr += sprintf( tmp_str_ptr, " : " );
-                               }
-                               tmp_str_ptr += sprintf( tmp_str_ptr, "%s", detail->thread_name_str );
-                       }
-                       if ( detail->extra_info_str != NULL )
-                       {
-                               if ( tmp_str_ptr != tmp_str )
-                               {
-                                       tmp_str_ptr += sprintf( tmp_str_ptr, " : " );
-                               }
-                               tmp_str_ptr += sprintf( tmp_str_ptr, " : %s", detail->extra_info_str );
+                       if (detail->extra_info_str != NULL) {
+                               if (tmp_str_ptr != tmp_str)
+                                       tmp_str_ptr += sprintf(tmp_str_ptr, " : ");
+                               tmp_str_ptr +=
+                                       sprintf(tmp_str_ptr, " : %s", detail->extra_info_str);
                        }
 
-                       char * hex_str = (char*) malloc( strlen(tmp_str)*2 +1 );
-                       str_to_hex( hex_str, tmp_str );
+                       assert(strlen(tmp_str) ==
+                               (size_t) (tmp_str_ptr - tmp_str));
+
+                       char *hex_str = (char *) malloc(strlen(tmp_str)*2 + 1);
+                       str_to_hex(hex_str, tmp_str);
 
                        gdb_put_packet(connection, hex_str, strlen(hex_str));
                        free(hex_str);
@@ -291,229 +295,96 @@ int gdb_thread_packet(struct connection *connection, struct target *target, char
                }
                gdb_put_packet(connection, "", 0);
                return ERROR_OK;
-       }
-       else if (strstr(packet, "qSymbol"))
-       {
-               if ( target->rtos != NULL )
-               {
-                       int next_symbol_num = -1;
-                       if (target->rtos->symbols == NULL)
-                       {
-                               target->rtos->type->get_symbol_list_to_lookup( &target->rtos->symbols );
-                       }
-                       if (0 == strcmp( "qSymbol::", packet ) )
-                       {
-                               // first query -
-                               next_symbol_num = 0;
-                       }
-                       else
-                       {
-                               int64_t value = 0;
-                               char * hex_name_str = malloc( strlen(packet));
-                               char * name_str;
-                               int symbol_num;
-
-                               char* found = strstr( packet, "qSymbol::" );
-                               int numconv;
-                               if (0 == found )
-                               {
-                                       numconv =sscanf(packet, "qSymbol:%" SCNx64 ":%s", &value, hex_name_str);
-                               }
-                               else
-                               {
-                                       // No value returned by GDB - symbol was not found
-                                       numconv =sscanf(packet, "qSymbol::%s", hex_name_str);
-                               }
-                               name_str = (char*) malloc( 1+ strlen(hex_name_str) / 2 );
-
-                               hex_to_str( name_str, hex_name_str );
-
-
-                               symbol_num = 0;
-                               while ( ( target->rtos->symbols[ symbol_num ].symbol_name != NULL ) && ( 0 != strcmp( target->rtos->symbols[ symbol_num ].symbol_name, name_str ) ) )
-                               {
-                                       symbol_num++;
-                               }
-
-
-                               if ( target->rtos->symbols[ symbol_num ].symbol_name == NULL )
-                               {
-                                       LOG_OUTPUT("ERROR: unknown symbol\r\n");
-                                       gdb_put_packet(connection, "OK", 2);
-                                       return ERROR_OK;
-                               }
-
-                               target->rtos->symbols[ symbol_num ].address = value;
-
-                               next_symbol_num = symbol_num+1;
-                               free( hex_name_str );
-                               free( name_str );
-
-                       }
-
-                       int symbols_done = 0;
-                       if ( target->rtos->symbols[ next_symbol_num ].symbol_name == NULL )
-                       {
-                               if ( ( target->rtos_auto_detect == false ) ||
-                                        ( 1 == target->rtos->type->detect_rtos( target ) ) )
-                               {
-                                       // Found correct RTOS or not autodetecting
-                                       if ( target->rtos_auto_detect == true )
-                                       {
-                                               LOG_OUTPUT( "Auto-detected RTOS: %s\r\n",target->rtos->type->name );
-                                       }
-                                       symbols_done = 1;
-                               }
-                               else
-                               {
-                                       // Auto detecting RTOS and currently not found
-                                       if( 1 != rtos_try_next( target ) )
-                                       {
-                                               // No more RTOS's to try
-                                               symbols_done = 1;
-                                       }
-                                       else
-                                       {
-                                               next_symbol_num = 0;
-                                               target->rtos->type->get_symbol_list_to_lookup( &target->rtos->symbols );
-                                       }
-
-                               }
-                       }
-
-
-                       if ( symbols_done == 1 )
-                       {
-                               target->rtos_auto_detect = false;
-                               target->rtos->type->create( target );
-                               target->rtos->type->update_threads(target->rtos);
-                               // No more symbols needed
-                               gdb_put_packet(connection, "OK", 2);
-                               return ERROR_OK;
-
-                       }
-                       else
-                       {
-                               char* symname = target->rtos->symbols[ next_symbol_num ].symbol_name;
-                               char qsymstr[] = "qSymbol:";
-                               char * opstring = (char*)malloc(sizeof(qsymstr)+strlen(symname)*2+1);
-                               char * posptr = opstring;
-                               posptr += sprintf( posptr, "%s", qsymstr );
-                               str_to_hex( posptr, symname );
-                               gdb_put_packet(connection, opstring, strlen(opstring));
-                               free(opstring);
-                               return ERROR_OK;
-                       }
-
+       } else if (strstr(packet, "qSymbol")) {
+               if (rtos_qsymbol(connection, packet, packet_size) == 1) {
+                       target->rtos_auto_detect = false;
+                       target->rtos->type->create(target);
+                       target->rtos->type->update_threads(target->rtos);
+                       /* No more symbols needed */
+                       gdb_put_packet(connection, "OK", 2);
                }
-               gdb_put_packet(connection, "OK", 2);
                return ERROR_OK;
-       }
-       else if (strstr(packet, "qfThreadInfo"))
-       {
+       } else if (strstr(packet, "qfThreadInfo")) {
                int i;
-               if ( ( target->rtos != NULL ) && ( target->rtos->thread_count != 0 ) )
-               {
+               if ((target->rtos != NULL) && (target->rtos->thread_count != 0)) {
 
-                       char* out_str = (char*) malloc(17 * target->rtos->thread_count + 5);
-                       chartmp_str = out_str;
+                       char *out_str = (char *) malloc(17 * target->rtos->thread_count + 5);
+                       char *tmp_str = out_str;
                        tmp_str += sprintf(tmp_str, "m");
                        for (i = 0; i < target->rtos->thread_count; i++) {
-                               if (i != 0) {
+                               if (i != 0)
                                        tmp_str += sprintf(tmp_str, ",");
-                               }
                                tmp_str += sprintf(tmp_str, "%016" PRIx64,
                                                target->rtos->thread_details[i].threadid);
                        }
                        tmp_str[0] = 0;
                        gdb_put_packet(connection, out_str, strlen(out_str));
-               }
-               else
-               {
+               } else
                        gdb_put_packet(connection, "", 0);
-               }
 
                return ERROR_OK;
-       }
-       else if (strstr(packet, "qsThreadInfo"))
-       {
+       } else if (strstr(packet, "qsThreadInfo")) {
                gdb_put_packet(connection, "l", 1);
                return ERROR_OK;
-       }
-       else if (strstr(packet, "qAttached"))
-       {
+       } else if (strstr(packet, "qAttached")) {
                gdb_put_packet(connection, "1", 1);
                return ERROR_OK;
-       }
-       else if (strstr(packet, "qOffsets"))
-       {
+       } else if (strstr(packet, "qOffsets")) {
                char offsets[] = "Text=0;Data=0;Bss=0";
                gdb_put_packet(connection, offsets, sizeof(offsets)-1);
                return ERROR_OK;
-       }
-       else if (strstr(packet, "qC"))
-       {
-               if( target->rtos!=NULL )
-               {
+       } else if (strstr(packet, "qC")) {
+               if (target->rtos != NULL) {
                        char buffer[15];
                        int size;
                        size = snprintf(buffer, 15, "QC%08X", (int)target->rtos->current_thread);
                        gdb_put_packet(connection, buffer, size);
-               }
-               else
-               {
+               } else
                        gdb_put_packet(connection, "QC0", 3);
-               }
                return ERROR_OK;
-       }
-       else if ( packet[0] == 'T' ) // Is thread alive?
-       {
+       } else if (packet[0] == 'T') {  /* Is thread alive? */
                threadid_t threadid;
                int found = -1;
                sscanf(packet, "T%" SCNx64, &threadid);
-               if ((target->rtos != NULL) && (target->rtos->thread_details
-                               != NULL)) {
+               if ((target->rtos != NULL) && (target->rtos->thread_details != NULL)) {
                        int thread_num;
-                       for (thread_num = 0; thread_num
-                                       < target->rtos->thread_count; thread_num++) {
-                               if (target->rtos->thread_details[thread_num].threadid
-                                               == threadid) {
-                                       if (target->rtos->thread_details[thread_num].exists) {
+                       for (thread_num = 0; thread_num < target->rtos->thread_count; thread_num++) {
+                               if (target->rtos->thread_details[thread_num].threadid == threadid) {
+                                       if (target->rtos->thread_details[thread_num].exists)
                                                found = thread_num;
-                                       }
                                }
                        }
                }
-               if (found != -1) {
-                       gdb_put_packet(connection, "OK", 2); // thread alive
-               } else {
-                       gdb_put_packet(connection, "E01", 3); // thread not found
-               }
-       }
-       else if ( packet[0] == 'H') // Set current thread ( 'c' for step and continue, 'g' for all other operations )
-       {
-               if (packet[1] == 'g')
-               {
-                       sscanf(packet, "Hg%16" SCNx64, &current_threadid);
-               }
+               if (found != -1)
+                       gdb_put_packet(connection, "OK", 2);    /* thread alive */
+               else
+                       gdb_put_packet(connection, "E01", 3);   /* thread not found */
+               return ERROR_OK;
+       } else if (packet[0] == 'H') {  /* Set current thread ( 'c' for step and continue, 'g' for
+                                        * all other operations ) */
+               if ((packet[1] == 'g') && (target->rtos != NULL))
+                       sscanf(packet, "Hg%16" SCNx64, &target->rtos->current_threadid);
                gdb_put_packet(connection, "OK", 2);
+               return ERROR_OK;
        }
 
        return GDB_THREAD_PACKET_NOT_CONSUMED;
 }
 
-int rtos_get_gdb_reg_list(struct connection *connection, struct target *target, struct reg **reg_list[], int *reg_list_size)
+int rtos_get_gdb_reg_list(struct connection *connection)
 {
-       if ( ( target->rtos != NULL ) &&
-                ( current_threadid != -1 ) &&
-                ( current_threadid != 0 ) &&
-                ( current_threadid != target->rtos->current_thread ) )
-       {
-               char * hex_reg_list;
-               target->rtos->type->get_thread_reg_list( target->rtos, current_threadid, &hex_reg_list );
-
-               if ( hex_reg_list != NULL )
-               {
+       struct target *target = get_target_from_connection(connection);
+       int64_t current_threadid = target->rtos->current_threadid;
+       if ((target->rtos != NULL) && (current_threadid != -1) &&
+                       (current_threadid != 0) &&
+                       ((current_threadid != target->rtos->current_thread) ||
+                       (target->smp))) {       /* in smp several current thread are possible */
+               char *hex_reg_list;
+               target->rtos->type->get_thread_reg_list(target->rtos,
+                       current_threadid,
+                       &hex_reg_list);
+
+               if (hex_reg_list != NULL) {
                        gdb_put_packet(connection, hex_reg_list, strlen(hex_reg_list));
                        free(hex_reg_list);
                        return ERROR_OK;
@@ -522,124 +393,107 @@ int rtos_get_gdb_reg_list(struct connection *connection, struct target *target,
        return ERROR_FAIL;
 }
 
-
-
-int rtos_generic_stack_read( struct target * target, const struct rtos_register_stacking* stacking, int64_t stack_ptr, char ** hex_reg_list )
+int rtos_generic_stack_read(struct target *target,
+       const struct rtos_register_stacking *stacking,
+       int64_t stack_ptr,
+       char **hex_reg_list)
 {
        int list_size = 0;
-       char * tmp_str_ptr;
+       char *tmp_str_ptr;
        int64_t new_stack_ptr;
        int i;
        int retval;
 
-       if ( stack_ptr == 0)
-       {
+       if (stack_ptr == 0) {
                LOG_OUTPUT("Error: null stack pointer in thread\r\n");
                return -5;
        }
-       // Read the stack
-       uint8_t * stack_data = (uint8_t*) malloc( stacking->stack_registers_size );
+       /* Read the stack */
+       uint8_t *stack_data = (uint8_t *) malloc(stacking->stack_registers_size);
        uint32_t address = stack_ptr;
 
-       if ( stacking->stack_growth_direction == 1 )
-       {
-               address -=  stacking->stack_registers_size;
-       }
-       retval = target_read_buffer( target, address, stacking->stack_registers_size, stack_data);
-       if ( retval != ERROR_OK )
-       {
+       if (stacking->stack_growth_direction == 1)
+               address -= stacking->stack_registers_size;
+       retval = target_read_buffer(target, address, stacking->stack_registers_size, stack_data);
+       if (retval != ERROR_OK) {
                LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
                return retval;
        }
-/*
-       LOG_OUTPUT("Stack Data :");
-       for(i = 0; i < stacking->stack_registers_size; i++ )
-       {
-               LOG_OUTPUT("%02X",stack_data[i]);
-       }
-       LOG_OUTPUT("\r\n");
-*/
-       for( i = 0; i < stacking->num_output_registers; i++ )
-       {
+#if 0
+               LOG_OUTPUT("Stack Data :");
+               for (i = 0; i < stacking->stack_registers_size; i++)
+                       LOG_OUTPUT("%02X", stack_data[i]);
+               LOG_OUTPUT("\r\n");
+#endif
+       for (i = 0; i < stacking->num_output_registers; i++)
                list_size += stacking->register_offsets[i].width_bits/8;
-       }
-       *hex_reg_list = (char*)malloc( list_size*2 +1 );
+       *hex_reg_list = (char *)malloc(list_size*2 + 1);
        tmp_str_ptr = *hex_reg_list;
-       new_stack_ptr = stack_ptr - stacking->stack_growth_direction * stacking->stack_registers_size;
-       for( i = 0; i < stacking->num_output_registers; i++ )
-       {
+       new_stack_ptr = stack_ptr - stacking->stack_growth_direction *
+               stacking->stack_registers_size;
+       if (stacking->stack_alignment != 0) {
+               /* Align new stack pointer to x byte boundary */
+               new_stack_ptr =
+                       (new_stack_ptr & (~((int64_t) stacking->stack_alignment - 1))) +
+                       ((stacking->stack_growth_direction == -1) ? stacking->stack_alignment : 0);
+       }
+       for (i = 0; i < stacking->num_output_registers; i++) {
                int j;
-               for ( j = 0; j < stacking->register_offsets[i].width_bits/8; j++ )
-               {
-                       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] );
-                       }
+               for (j = 0; j < stacking->register_offsets[i].width_bits/8; j++) {
+                       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 ] );
-                       }
+                               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);
+/*     LOG_OUTPUT("Output register string: %s\r\n", *hex_reg_list); */
        return ERROR_OK;
 }
 
-int rtos_try_next( struct target * target )
+int rtos_try_next(struct target *target)
 {
-       int x;
+       struct rtos *os = target->rtos;
+       struct rtos_type **type = rtos_types;
 
-       if ( target->rtos == NULL )
-       {
-               return -1;
-       }
+       if (!os)
+               return 0;
 
-       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;
-                       }
+       while (*type && os->type != *type)
+               type++;
 
-               }
+       if (!*type || !*(++type))
+               return 0;
+
+       os->type = *type;
+       if (os->symbols) {
+               free(os->symbols);
+               os->symbols = NULL;
        }
-       return 0;
 
+       return 1;
 }
 
-static void hex_to_str( char* dst, char * hex_src )
+static void hex_to_str(char *dst, char *hex_src)
 {
        int src_pos = 0;
        int dst_pos = 0;
 
-       while ( hex_src[src_pos] != '\x00' )
-       {
+       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) )
-               {
+               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;
+               } else {
+                       ((unsigned char *)dst)[dst_pos] <<= 4;
+                       ((unsigned char *)dst)[dst_pos] += hex_digit_val;
                        dst_pos++;
                }
                src_pos++;
@@ -647,23 +501,18 @@ static void hex_to_str( char* dst, char * hex_src )
 
 }
 
-static int str_to_hex( char* hex_dst, char* src )
+int str_to_hex(char *hex_dst, char *src)
 {
-       char * posptr = hex_dst;
+       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);
+       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 )
+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;
 }

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
|+B . . .         |
|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)