rtos : create qsymbol interface and add str_to_hex interface
[openocd.git] / src / rtos / rtos.c
index 263795c6d89d928af5b85ab189d6efd33ea8a9c8..a0bbc82b5ec03871b9d4f49baa519711558f914b 100644 (file)
 #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 );
 
 
 /* RTOSs */
@@ -48,12 +46,20 @@ static struct rtos_type *rtos_types[] =
        NULL
 };
 
+int rtos_thread_packet(struct connection *connection, char *packet, int packet_size);
+
+int rtos_smp_init(struct target *target)
+{
+       if (target->rtos->type->smp_init)
+               return target->rtos->type->smp_init(target);
+       return ERROR_TARGET_INIT_FAILED;
+}
+
 
 int rtos_create(Jim_GetOptInfo *goi, struct target * target)
 {
        int x;
        char *cp;
-
        if (! goi->isconfigure) {
                if (goi->argc != 0) {
                        if (goi->argc != 0) {
@@ -113,9 +119,12 @@ int rtos_create(Jim_GetOptInfo *goi, struct target * target)
        /* Create it */
        target->rtos = calloc(1,sizeof(struct rtos));
        target->rtos->type = rtos_types[x];
+       target->rtos->current_threadid = -1;
        target->rtos->current_thread = 0;
        target->rtos->symbols = NULL;
        target->rtos->target = target;
+       /* put default thread handler in linux usecase it is overloaded*/
+       target->rtos->gdb_thread_packet = rtos_thread_packet;
 
        if ( 0 != strcmp( cp, "auto") )
        {
@@ -125,96 +134,101 @@ int rtos_create(Jim_GetOptInfo *goi, struct target * target)
        return JIM_OK;
 }
 
-
-
-
-int gdb_thread_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
+int gdb_thread_packet(struct connection *connection, char *packet, int packet_size)
 {
-       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 */
-
-                       // TODO: need to scanf the mode variable (or it with the tags), and the threadid
-
-               unsigned long mode;
-               threadid_t threadid = 0;
-               struct thread_detail* detail;
-               sscanf(packet, "qP%8lx%16" SCNx64, &mode, &threadid);
+       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);
+                               return ERROR_OK;
+                       }
 
+                       target->rtos->symbols[symbol_num].address = value;
 
-               int found = -1;
+                       next_symbol_num = symbol_num+1;
+                       free(hex_name_str);
+                       free(name_str);
+               }
 
-               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;
-                                       }
+               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 (found == -1) {
-                       gdb_put_packet(connection, "E01", 3); // thread not found
-                       return ERROR_OK;
-               }
-
-               detail = &target->rtos->thread_details[found];
-
-               if ( detail->display_str != NULL )
-               {
-                       mode &= TAG_DISPLAY;
-               }
-               if ( detail->thread_name_str != NULL )
-               {
-                       mode &= TAG_THREADNAME;
+               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;
                }
-               if ( detail->extra_info_str != NULL )
-               {
-                       mode &= TAG_MOREDISPLAY;
-               }
-
-
-               mode &= TAG_THREADID | TAG_EXISTS;
-
-               char thread_str[1000];
-
-               sprintf(thread_str, "%08lx", mode);
-               sprintf(thread_str, "%016" PRIx64, threadid);
+       }
+       gdb_put_packet(connection, "OK", 2);
+       return -1;
+}
 
 
-               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);
-               }
-               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 );
-               }
-               if (mode & TAG_THREADNAME) {
-                       sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_THREADNAME, (unsigned char)strlen(detail->thread_name_str), detail->thread_name_str );
-               }
-
-               //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 (strstr(packet, "qThreadExtraInfo,"))
        {
                if ((target->rtos != NULL) && (target->rtos->thread_details != NULL) && (target->rtos->thread_count != 0))
                {
@@ -280,6 +294,9 @@ int gdb_thread_packet(struct connection *connection, struct target *target, char
                                tmp_str_ptr += sprintf( tmp_str_ptr, " : %s", detail->extra_info_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 );
 
@@ -294,118 +311,14 @@ int gdb_thread_packet(struct connection *connection, struct target *target, char
        }
        else if (strstr(packet, "qSymbol"))
        {
-               if ( target->rtos != NULL )
+               if (rtos_qsymbol(connection, packet, packet_size) == 1)
                {
-                       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);
-                                       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;
-                       }
-
+                       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"))
@@ -488,25 +401,28 @@ int gdb_thread_packet(struct connection *connection, struct target *target, char
                } 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')
-               {
-                       sscanf(packet, "Hg%16" SCNx64, &current_threadid);
-               }
+               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 ) )
+       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 );
@@ -565,6 +481,12 @@ int rtos_generic_stack_read( struct target * target, const struct rtos_register_
        *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;
+       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;
@@ -646,7 +568,7 @@ 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;
        unsigned i;

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)