target/armv7_9_common: Use 'bool' data type
[fw/openocd] / src / rtos / linux.c
index e249ff49e96217f53816de3ea73a0ff32ae188ce..74172b70a43c189b27d69cfe9e5e33f9c8cf72e0 100644 (file)
@@ -14,9 +14,7 @@
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -28,8 +26,8 @@
 #include "target/target.h"
 #include "target/target_type.h"
 #include "helper/log.h"
+#include "helper/types.h"
 #include "rtos.h"
-#include "helper/log.h"
 #include "rtos_standard_stackings.h"
 #include <target/register.h>
 #include "server/gdb_server.h"
@@ -40,7 +38,7 @@
 #define MAX_THREADS 200
 /*  specific task  */
 struct linux_os {
-       char *name;
+       const char *name;
        uint32_t init_task_addr;
        int thread_count;
        int threadid_count;
@@ -107,11 +105,11 @@ static int linux_os_dummy_update(struct rtos *rtos)
        return 0;
 }
 
-static int linux_compute_virt2phys(struct target *target, uint32_t address)
+static int linux_compute_virt2phys(struct target *target, target_addr_t address)
 {
        struct linux_os *linux_os = (struct linux_os *)
                target->rtos->rtos_specific_params;
-       uint32_t pa = 0;
+       target_addr_t pa = 0;
        int retval = target->type->virt2phys(target, address, &pa);
        if (retval != ERROR_OK) {
                LOG_ERROR("Cannot compute linux virt2phys translation");
@@ -140,27 +138,17 @@ static int linux_read_memory(struct target *target,
                return ERROR_FAIL;
        }
 #ifdef PHYS
-       target->type->read_phys_memory(target, pa, size, count, buffer);
+       target_read_phys_memory(target, pa, size, count, buffer);
 #endif
-       target->type->read_memory(target, address, size, count, buffer);
+       target_read_memory(target, address, size, count, buffer);
        return ERROR_OK;
 }
 
-static char *reg_converter(char *buffer, void *reg, int size)
-{
-       int i;
-
-       for (i = 0; i < size; i++)
-               buffer += sprintf(buffer, "%02x", ((uint8_t *) reg)[i]);
-
-       return buffer;
-}
-
 int fill_buffer(struct target *target, uint32_t addr, uint8_t *buffer)
 {
 
        if ((addr & 0xfffffffc) != addr)
-               LOG_INFO("unaligned address %x!!", addr);
+               LOG_INFO("unaligned address %" PRIx32 "!!", addr);
 
        int retval = linux_read_memory(target, addr, 4, 1, buffer);
        return retval;
@@ -176,15 +164,13 @@ uint32_t get_buffer(struct target *target, const uint8_t *buffer)
 }
 
 static int linux_os_thread_reg_list(struct rtos *rtos,
-       int64_t thread_id, char **hex_reg_list)
+       int64_t thread_id, struct rtos_reg **reg_list, int *num_regs)
 {
        struct target *target = rtos->target;
        struct linux_os *linux_os = (struct linux_os *)
                target->rtos->rtos_specific_params;
-       int i = 0;
        struct current_thread *tmp = linux_os->current_threads;
        struct current_thread *next;
-       char *hex_string;
        int found = 0;
        int retval;
        /*  check if a current thread is requested  */
@@ -197,127 +183,65 @@ static int linux_os_thread_reg_list(struct rtos *rtos,
                        next = next->next;
        } while ((found == 0) && (next != tmp) && (next != NULL));
 
-       if (found == 1) {
-               /*  search target to perfom the access  */
-               struct reg **reg_list;
-               int reg_list_size, reg_packet_size = 0;
-               struct target_list *head;
-               head = target->head;
-               found = 0;
-               do {
-                       if (head->target->coreid == next->core_id) {
-
-                               target = head->target;
-                               found = 1;
-                       } else
-                               head = head->next;
-
-               } while ((head != (struct target_list *)NULL) && (found == 0));
-
-               if (found == 0) {
-                       LOG_ERROR
-                       (
-                               "current thread %" PRIx64 ": no target to perform access of core id %x",
-                               thread_id,
-                               next->core_id);
-                       return ERROR_FAIL;
-               }
-
-               /*LOG_INFO("thread %lx current on core %x",thread_id,
-                * target->coreid);*/
-               retval =
-                       target_get_gdb_reg_list(target, &reg_list, &reg_list_size);
-
-               if (retval != ERROR_OK)
-                       return retval;
-
-               for (i = 0; i < reg_list_size; i++)
-                       reg_packet_size += reg_list[i]->size;
+       if (found == 0) {
+               LOG_ERROR("could not find thread: %" PRIx64, thread_id);
+               return ERROR_FAIL;
+       }
 
-               *hex_reg_list = malloc(DIV_ROUND_UP(reg_packet_size, 8) * 2);
+       /*  search target to perfom the access  */
+       struct reg **gdb_reg_list;
+       struct target_list *head;
+       head = target->head;
+       found = 0;
+       do {
+               if (head->target->coreid == next->core_id) {
 
-               hex_string = *hex_reg_list;
+                       target = head->target;
+                       found = 1;
+               } else
+                       head = head->next;
 
-               for (i = 0; i < reg_list_size; i++) {
-                       if (!reg_list[i]->valid)
-                               reg_list[i]->type->get(reg_list[i]);
+       } while ((head != (struct target_list *)NULL) && (found == 0));
 
-                       hex_string = reg_converter(hex_string,
-                                       reg_list[i]->value,
-                                       (reg_list[i]->size) / 8);
-               }
+       if (found == 0) {
+               LOG_ERROR
+               (
+                       "current thread %" PRIx64 ": no target to perform access of core id %" PRIx32,
+                       thread_id,
+                       next->core_id);
+               return ERROR_FAIL;
+       }
 
-               free(reg_list);
+       /*LOG_INFO("thread %lx current on core %x",thread_id, target->coreid);*/
+       retval = target_get_gdb_reg_list(target, &gdb_reg_list, num_regs, REG_CLASS_GENERAL);
+       if (retval != ERROR_OK)
+               return retval;
 
-       } else {
-               struct threads *temp = linux_os->thread_list;
-               *hex_reg_list = (char *)calloc(1, 500 * sizeof(char));
-               hex_string = *hex_reg_list;
+       *reg_list = calloc(*num_regs, sizeof(struct rtos_reg));
 
-               for (i = 0; i < 16; i++)
-                       hex_string += sprintf(hex_string, "%02x", 0);
+       for (int i = 0; i < *num_regs; ++i) {
+               if (!gdb_reg_list[i]->valid)
+                       gdb_reg_list[i]->type->get(gdb_reg_list[i]);
 
-               while ((temp != NULL) &&
-                               (temp->threadid != target->rtos->current_threadid))
-                       temp = temp->next;
+               (*reg_list)[i].number = gdb_reg_list[i]->number;
+               (*reg_list)[i].size = gdb_reg_list[i]->size;
 
-               if (temp != NULL) {
-                       if (temp->context == NULL)
-                               temp->context = cpu_context_read(target,
-                                               temp->
-                                               base_addr,
-                                               &temp->
-                                               thread_info_addr);
-
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->R4, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->R5, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->R6, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->R7, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->R8, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->R9, 4);
-
-                       for (i = 0; i < 4; i++) /*R10 = 0x0 */
-                               hex_string += sprintf(hex_string, "%02x", 0);
-
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->FP, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->IP, 4);
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->SP, 4);
-
-                       for (i = 0; i < 4; i++)
-                               hex_string += sprintf(hex_string, "%02x", 0);
-
-                       hex_string =
-                               reg_converter(hex_string, &temp->context->PC, 4);
-
-                       for (i = 0; i < 100; i++)       /*100 */
-                               hex_string += sprintf(hex_string, "%02x", 0);
-
-                       uint32_t cpsr = 0x00000000;
-                       hex_string = reg_converter(hex_string, &cpsr, 4);
-               }
+               buf_cpy(gdb_reg_list[i]->value, (*reg_list)[i].value, (*reg_list)[i].size);
        }
+
        return ERROR_OK;
 }
 
-static int linux_os_detect(struct target *target)
+static bool linux_os_detect(struct target *target)
 {
        LOG_INFO("should no be called");
-       return 0;
+       return false;
 }
 
 static int linux_os_smp_init(struct target *target);
 static int linux_os_clean(struct target *target);
 #define INIT_TASK 0
-static char *linux_symbol_list[] = {
+static const char * const linux_symbol_list[] = {
        "init_task",
        NULL
 };
@@ -326,9 +250,9 @@ static int linux_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
 {
        unsigned int i;
        *symbol_list = (symbol_table_elem_t *)
-               malloc(sizeof(symbol_table_elem_t) / sizeof(char *));
+               calloc(ARRAY_SIZE(linux_symbol_list), sizeof(symbol_table_elem_t));
 
-       for (i = 0; i < sizeof(linux_symbol_list) / sizeof(char *); i++)
+       for (i = 0; i < ARRAY_SIZE(linux_symbol_list); i++)
                (*symbol_list)[i].symbol_name = linux_symbol_list[i];
 
        return 0;
@@ -348,7 +272,7 @@ const struct rtos_type Linux_os = {
        .ps_command = linux_ps_command,
 };
 
-static int linux_thread_packet(struct connection *connection, char *packet,
+static int linux_thread_packet(struct connection *connection, char const *packet,
                int packet_size);
 static void linux_identify_current_threads(struct target *target);
 
@@ -420,6 +344,8 @@ int fill_task(struct target *target, struct threads *t)
        } else
                LOG_ERROR("fill task: unable to read memory");
 
+       free(buffer);
+
        return retval;
 }
 
@@ -494,8 +420,10 @@ int get_current(struct target *target, int create)
                int retval;
 
                if (target_get_gdb_reg_list(head->target, &reg_list,
-                               &reg_list_size) != ERROR_OK)
+                               &reg_list_size, REG_CLASS_GENERAL) != ERROR_OK) {
+                       free(buffer);
                        return ERROR_TARGET_FAILURE;
+               }
 
                if (!reg_list[13]->valid)
                        reg_list[13]->type->get(reg_list[13]);
@@ -526,7 +454,7 @@ int get_current(struct target *target, int create)
                                        LOG_ERROR
                                                ("error in linux current thread update");
 
-                               if (create) {
+                               if (create && ct) {
                                        struct threads *t;
                                        t = calloc(1, sizeof(struct threads));
                                        t->base_addr = ct->TS;
@@ -550,6 +478,8 @@ int get_current(struct target *target, int create)
                head = head->next;
        }
 
+       free(buffer);
+
        return ERROR_OK;
 }
 
@@ -615,6 +545,7 @@ retry:
                        (uint8_t *) registers);
 
        if (retval != ERROR_OK) {
+               free(buffer);
                LOG_ERROR("cpu_context: unable to read memory\n");
                return context;
        }
@@ -643,6 +574,8 @@ retry:
        if (*thread_info_addr_old == 0xdeadbeef)
                *thread_info_addr_old = thread_info_addr_update;
 
+       free(buffer);
+
        return context;
 }
 
@@ -655,11 +588,13 @@ uint32_t next_task(struct target *target, struct threads *t)
        if (retval == ERROR_OK) {
                uint32_t val = get_buffer(target, buffer);
                val = val - NEXT;
-               return val;
                free(buffer);
+               return val;
        } else
                LOG_ERROR("next task: unable to read memory");
 
+       free(buffer);
+
        return 0;
 }
 
@@ -769,15 +704,16 @@ int linux_get_tasks(struct target *target, int context)
        struct threads *last = NULL;
        t->base_addr = linux_os->init_task_addr;
        /* retrieve the thread id , currently running in the different smp core */
-       retval = get_current(target, 1);
+       get_current(target, 1);
 
        while (((t->base_addr != linux_os->init_task_addr) &&
                (t->base_addr != 0)) || (loop == 0)) {
                loop++;
-               retval = fill_task(target, t);
+               fill_task(target, t);
                retval = get_name(target, t);
 
                if (loop > MAX_THREADS) {
+                       free(t);
                        LOG_INFO("more than %d threads !!", MAX_THREADS);
                        return ERROR_FAIL;
                }
@@ -829,6 +765,7 @@ int linux_get_tasks(struct target *target, int context)
                (timeval_ms() - start) / linux_os->threadid_count);
 
        LOG_INFO("threadid count %d", linux_os->threadid_count);
+       free(t);
 
        return ERROR_OK;
 }
@@ -973,7 +910,7 @@ error_handling:
 #ifndef PID_CHECK
 error_handling:
        free(t);
-       LOG_ERROR("unable toread pid");
+       LOG_ERROR("unable to read pid");
        return;
 
 #endif
@@ -1101,7 +1038,7 @@ static int linux_task_update(struct target *target, int context)
 }
 
 int linux_gdb_thread_packet(struct target *target,
-       struct connection *connection, char *packet,
+       struct connection *connection, char const *packet,
        int packet_size)
 {
        int retval;
@@ -1120,25 +1057,25 @@ int linux_gdb_thread_packet(struct target *target,
        if (retval != ERROR_OK)
                return ERROR_TARGET_FAILURE;
 
-       char *out_str = (char *)calloc(1, 350 * sizeof(int64_t));
+       char *out_str = calloc(MAX_THREADS * 17 + 10, 1);
        char *tmp_str = out_str;
        tmp_str += sprintf(tmp_str, "m");
        struct threads *temp = linux_os->thread_list;
-       tmp_str += sprintf(tmp_str, "%016" PRIx64, temp->threadid);
-       temp = temp->next;
 
        while (temp != NULL) {
-               tmp_str += sprintf(tmp_str, ",");
                tmp_str += sprintf(tmp_str, "%016" PRIx64, temp->threadid);
                temp = temp->next;
+               if (temp)
+                       tmp_str += sprintf(tmp_str, ",");
        }
 
        gdb_put_packet(connection, out_str, strlen(out_str));
+       free(out_str);
        return ERROR_OK;
 }
 
 int linux_gdb_thread_update(struct target *target,
-       struct connection *connection, char *packet,
+       struct connection *connection, char const *packet,
        int packet_size)
 {
        int found = 0;
@@ -1157,7 +1094,7 @@ int linux_gdb_thread_update(struct target *target,
 
        if (found == 1) {
                /*LOG_INFO("INTO GDB THREAD UPDATE FOUNDING START TASK");*/
-               char *out_strr = (char *)calloc(1, 350 * sizeof(int64_t));
+               char *out_strr = calloc(MAX_THREADS * 17 + 10, 1);
                char *tmp_strr = out_strr;
                tmp_strr += sprintf(tmp_strr, "m");
                /*LOG_INFO("CHAR MALLOC & M DONE");*/
@@ -1185,7 +1122,7 @@ int linux_gdb_thread_update(struct target *target,
 }
 
 int linux_thread_extra_info(struct target *target,
-       struct connection *connection, char *packet,
+       struct connection *connection, char const *packet,
        int packet_size)
 {
        int64_t threadid = 0;
@@ -1199,27 +1136,25 @@ int linux_thread_extra_info(struct target *target,
                if (temp->threadid == threadid) {
                        char *pid = " PID: ";
                        char *pid_current = "*PID: ";
-                       char *name = "NAME: ";
+                       char *name = "Name: ";
                        int str_size = strlen(pid) + strlen(name);
-                       char *tmp_str = (char *)calloc(1, str_size + 50);
+                       char *tmp_str = calloc(1, str_size + 50);
                        char *tmp_str_ptr = tmp_str;
 
-                       /*  discriminate cuurent task */
+                       /*  discriminate current task */
                        if (temp->status == 3)
                                tmp_str_ptr += sprintf(tmp_str_ptr, "%s",
                                                pid_current);
                        else
                                tmp_str_ptr += sprintf(tmp_str_ptr, "%s", pid);
 
-                       tmp_str_ptr +=
-                               sprintf(tmp_str_ptr, "%d", (int)temp->pid);
-                       tmp_str_ptr += sprintf(tmp_str_ptr, "%s", " | ");
-                       tmp_str_ptr += sprintf(tmp_str_ptr, "%s", name);
-                       tmp_str_ptr += sprintf(tmp_str_ptr, "%s", temp->name);
-                       char *hex_str =
-                               (char *)calloc(1, strlen(tmp_str) * 2 + 1);
-                       str_to_hex(hex_str, tmp_str);
-                       gdb_put_packet(connection, hex_str, strlen(hex_str));
+                       tmp_str_ptr += sprintf(tmp_str_ptr, "%d, ", (int)temp->pid);
+                       sprintf(tmp_str_ptr, "%s", name);
+                       sprintf(tmp_str_ptr, "%s", temp->name);
+                       char *hex_str = calloc(1, strlen(tmp_str) * 2 + 1);
+                       size_t pkt_len = hexify(hex_str, (const uint8_t *)tmp_str,
+                               strlen(tmp_str), strlen(tmp_str) * 2 + 1);
+                       gdb_put_packet(connection, hex_str, pkt_len);
                        free(hex_str);
                        free(tmp_str);
                        return ERROR_OK;
@@ -1233,7 +1168,7 @@ int linux_thread_extra_info(struct target *target,
 }
 
 int linux_gdb_T_packet(struct connection *connection,
-       struct target *target, char *packet, int packet_size)
+       struct target *target, char const *packet, int packet_size)
 {
        int64_t threadid;
        struct linux_os *linux_os = (struct linux_os *)
@@ -1294,7 +1229,7 @@ int linux_gdb_T_packet(struct connection *connection,
 }
 
 int linux_gdb_h_packet(struct connection *connection,
-       struct target *target, char *packet, int packet_size)
+       struct target *target, char const *packet, int packet_size)
 {
        struct linux_os *linux_os = (struct linux_os *)
                target->rtos->rtos_specific_params;
@@ -1362,7 +1297,7 @@ int linux_gdb_h_packet(struct connection *connection,
        return ERROR_OK;
 }
 
-static int linux_thread_packet(struct connection *connection, char *packet,
+static int linux_thread_packet(struct connection *connection, char const *packet,
        int packet_size)
 {
        int retval = ERROR_OK;
@@ -1383,10 +1318,8 @@ static int linux_thread_packet(struct connection *connection, char *packet,
                        break;
                case 'q':
 
-                       if ((strstr(packet, "qSymbol"))) {
+                       if (strncmp(packet, "qSymbol", 7) == 0) {
                                if (rtos_qsymbol(connection, packet, packet_size) == 1) {
-                                       gdb_put_packet(connection, "OK", 2);
-
                                        linux_compute_virt2phys(target,
                                                        target->rtos->
                                                        symbols[INIT_TASK].
@@ -1394,7 +1327,7 @@ static int linux_thread_packet(struct connection *connection, char *packet,
                                }
 
                                break;
-                       } else if (strstr(packet, "qfThreadInfo")) {
+                       } else if (strncmp(packet, "qfThreadInfo", 12) == 0) {
                                if (linux_os->thread_list == NULL) {
                                        retval = linux_gdb_thread_packet(target,
                                                        connection,
@@ -1408,10 +1341,10 @@ static int linux_thread_packet(struct connection *connection, char *packet,
                                                        packet_size);
                                        break;
                                }
-                       } else if (strstr(packet, "qsThreadInfo")) {
+                       } else if (strncmp(packet, "qsThreadInfo", 12) == 0) {
                                gdb_put_packet(connection, "l", 1);
                                break;
-                       } else if (strstr(packet, "qThreadExtraInfo,")) {
+                       } else if (strncmp(packet, "qThreadExtraInfo,", 17) == 0) {
                                linux_thread_extra_info(target, connection, packet,
                                                packet_size);
                                break;
@@ -1454,7 +1387,7 @@ static int linux_thread_packet(struct connection *connection, char *packet,
                        }
                }
 
-                       /* if a packet handler returned an error, exit input loop */
+               /* if a packet handler returned an error, exit input loop */
                if (retval != ERROR_OK)
                        return retval;
        }
@@ -1512,7 +1445,7 @@ static int linux_os_create(struct target *target)
        os_linux->threads_needs_update = 0;
        os_linux->threadid_count = 1;
        os_linux->current_threads = NULL;
-       target->rtos->rtos_specific_params = (void *)os_linux;
+       target->rtos->rtos_specific_params = os_linux;
        ct->core_id = target->coreid;
        ct->threadid = -1;
        ct->TS = 0xdeadbeef;
@@ -1559,14 +1492,14 @@ static char *linux_ps_command(struct target *target)
                                if (temp->context)
                                        tmp +=
                                                sprintf(tmp,
-                                                       "%d\t\t%d\t\t%x\t\t%s\n",
-                                                       (int)temp->pid, temp->oncpu,
+                                                       "%" PRId32 "\t\t%" PRId32 "\t\t%" PRIx32 "\t\t%s\n",
+                                                       temp->pid, temp->oncpu,
                                                        temp->asid, temp->name);
                                else
                                        tmp +=
                                                sprintf(tmp,
-                                                       "%d\t\t%d\t\t%x\t\t%s\n",
-                                                       (int)temp->pid, temp->oncpu,
+                                                       "%" PRId32 "\t\t%" PRId32 "\t\t%" PRIx32 "\t\t%s\n",
+                                                       temp->pid, temp->oncpu,
                                                        temp->asid, temp->name);
                        }