+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2011 by STEricsson *
* Heythem Bouhaja heythem.bouhaja@stericsson.com : creation *
* Michel JAOUEN michel.jaouen@stericsson.com : adaptation to rtos *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "rtos.h"
#include "rtos_standard_stackings.h"
#include <target/register.h>
+#include <target/smp.h>
#include "server/gdb_server.h"
#define LINUX_USER_KERNEL_BORDER 0xc0000000
uint32_t PC;
uint32_t preempt_count;
};
-struct cpu_context *cpu_context_read(struct target *target, uint32_t base_addr,
+static struct cpu_context *cpu_context_read(struct target *target, uint32_t base_addr,
uint32_t *info_addr);
static int insert_into_threadlist(struct target *target, struct threads *t);
return ERROR_OK;
}
-int fill_buffer(struct target *target, uint32_t addr, uint8_t *buffer)
+static int fill_buffer(struct target *target, uint32_t addr, uint8_t *buffer)
{
if ((addr & 0xfffffffc) != addr)
}
-uint32_t get_buffer(struct target *target, const uint8_t *buffer)
+static uint32_t get_buffer(struct target *target, const uint8_t *buffer)
{
uint32_t value = 0;
const uint8_t *value_ptr = buffer;
found = 1;
else
next = next->next;
- } while ((found == 0) && (next != tmp) && (next != NULL));
+ } while ((found == 0) && (next != tmp) && (next));
if (found == 0) {
LOG_ERROR("could not find thread: %" PRIx64, thread_id);
/* search target to perform the access */
struct reg **gdb_reg_list;
struct target_list *head;
- head = target->head;
found = 0;
- do {
+ foreach_smp_target(head, target->smp_targets) {
if (head->target->coreid == next->core_id) {
-
target = head->target;
found = 1;
- } else
- head = head->next;
-
- } while ((head != (struct target_list *)NULL) && (found == 0));
+ break;
+ }
+ }
if (found == 0) {
LOG_ERROR
NULL
};
-static int linux_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
+static int linux_get_symbol_list_to_lookup(struct symbol_table_elem *symbol_list[])
{
unsigned int i;
- *symbol_list = (symbol_table_elem_t *)
- calloc(ARRAY_SIZE(linux_symbol_list), sizeof(symbol_table_elem_t));
+ *symbol_list = (struct symbol_table_elem *)
+ calloc(ARRAY_SIZE(linux_symbol_list), sizeof(struct symbol_table_elem));
for (i = 0; i < ARRAY_SIZE(linux_symbol_list); i++)
(*symbol_list)[i].symbol_name = linux_symbol_list[i];
static char *linux_ps_command(struct target *target);
-const struct rtos_type Linux_os = {
+const struct rtos_type linux_rtos = {
.name = "linux",
.detect_rtos = linux_os_detect,
.create = linux_os_create,
}
#endif
-int fill_task(struct target *target, struct threads *t)
+static int fill_task(struct target *target, struct threads *t)
{
int retval;
uint32_t pid_addr = t->base_addr + PID;
return retval;
}
-int get_name(struct target *target, struct threads *t)
+static int get_name(struct target *target, struct threads *t)
{
int retval;
uint32_t full_name[4];
}
-int get_current(struct target *target, int create)
+static int get_current(struct target *target, int create)
{
struct target_list *head;
- head = target->head;
uint8_t *buf;
uint32_t val;
uint32_t ti_addr;
struct current_thread *ctt = linux_os->current_threads;
/* invalid current threads content */
- while (ctt != NULL) {
+ while (ctt) {
ctt->threadid = -1;
ctt->TS = 0xdeadbeef;
ctt = ctt->next;
}
- while (head != (struct target_list *)NULL) {
+ foreach_smp_target(head, target->smp_targets) {
struct reg **reg_list;
int reg_list_size;
int retval;
buf = reg_list[13]->value;
val = get_buffer(target, buf);
ti_addr = (val & 0xffffe000);
- uint32_t TS_addr = ti_addr + 0xc;
- retval = fill_buffer(target, TS_addr, buffer);
+ uint32_t ts_addr = ti_addr + 0xc;
+ retval = fill_buffer(target, ts_addr, buffer);
if (retval == ERROR_OK) {
uint32_t TS = get_buffer(target, buffer);
linux_os->current_threads;
cpu = head->target->coreid;
- while ((ct != NULL) && (ct->core_id != (int32_t) cpu))
+ while ((ct) && (ct->core_id != (int32_t) cpu))
ct = ct->next;
- if ((ct != NULL) && (ct->TS == 0xdeadbeef))
+ if ((ct) && (ct->TS == 0xdeadbeef))
ct->TS = TS;
else
LOG_ERROR
}
free(reg_list);
- head = head->next;
}
free(buffer);
return ERROR_OK;
}
-struct cpu_context *cpu_context_read(struct target *target, uint32_t base_addr,
+static struct cpu_context *cpu_context_read(struct target *target, uint32_t base_addr,
uint32_t *thread_info_addr_old)
{
struct cpu_context *context = calloc(1, sizeof(struct cpu_context));
return context;
}
-uint32_t next_task(struct target *target, struct threads *t)
+static uint32_t next_task(struct target *target, struct threads *t)
{
uint8_t *buffer = calloc(1, 4);
uint32_t next_addr = t->base_addr + NEXT;
return 0;
}
-struct current_thread *add_current_thread(struct current_thread *currents,
+static struct current_thread *add_current_thread(struct current_thread *currents,
struct current_thread *ct)
{
ct->next = NULL;
- if (currents == NULL) {
+ if (!currents) {
currents = ct;
return currents;
} else {
struct current_thread *temp = currents;
- while (temp->next != NULL)
+ while (temp->next)
temp = temp->next;
temp->next = ct;
}
}
-struct threads *liste_del_task(struct threads *task_list, struct threads **t,
+static struct threads *liste_del_task(struct threads *task_list, struct threads **t,
struct threads *prev)
{
LOG_INFO("del task %" PRId64, (*t)->threadid);
return task_list;
}
-struct threads *liste_add_task(struct threads *task_list, struct threads *t,
+static struct threads *liste_add_task(struct threads *task_list, struct threads *t,
struct threads **last)
{
t->next = NULL;
- if (*last == NULL)
- if (task_list == NULL) {
+ if (!*last)
+ if (!task_list) {
task_list = t;
return task_list;
} else {
struct threads *temp = task_list;
- while (temp->next != NULL)
+ while (temp->next)
temp = temp->next;
temp->next = t;
struct current_thread *ct = linux_os->current_threads;
#ifdef PID_CHECK
- while ((ct != NULL) && (ct->pid != pid))
+ while ((ct) && (ct->pid != pid))
#else
- while ((ct != NULL) && (ct->TS != base_addr))
+ while ((ct) && (ct->TS != base_addr))
#endif
ct = ct->next;
#ifdef PID_CHECK
- if ((ct != NULL) && (ct->pid == pid))
+ if ((ct) && (ct->pid == pid))
#else
- if ((ct != NULL) && (ct->TS == base_addr))
+ if ((ct) && (ct->TS == base_addr))
#endif
return 1;
return 0;
}
-int linux_get_tasks(struct target *target, int context)
+static int linux_get_tasks(struct target *target, int context)
{
int loop = 0;
int retval = 0;
target->rtos->rtos_specific_params;
struct threads *old, *temp = linux_os->thread_list;
- while (temp != NULL) {
+ while (temp) {
old = temp;
free(temp->context);
t->status = 1;
t->next = NULL;
- if (temp == NULL)
+ if (!temp)
linux_os->thread_list = t;
else {
- while (temp->next != NULL)
+ while (temp->next)
temp = temp->next;
t->next = NULL;
struct current_thread *ct = linux_os->current_threads;
struct threads *t = NULL;
- while ((ct != NULL)) {
+ while ((ct)) {
if (ct->threadid == -1) {
/* un-identified thread */
/* search in the list of threads if pid
already present */
- while ((thread_list != NULL) && (found == 0)) {
+ while ((thread_list) && (found == 0)) {
#ifdef PID_CHECK
if (thread_list->pid == t->pid) {
#else
linux_os->thread_count = 0;
/*thread_list = thread_list->next; skip init_task*/
- while (thread_list != NULL) {
+ while (thread_list) {
thread_list->status = 0; /*setting all tasks to dead state*/
free(thread_list->context);
thread_list = linux_os->thread_list;
- while (thread_list != NULL) {
+ while (thread_list) {
#ifdef PID_CHECK
if (t->pid == thread_list->pid) {
#else
return ERROR_OK;
}
-int linux_gdb_thread_packet(struct target *target,
+static int linux_gdb_thread_packet(struct target *target,
struct connection *connection, char const *packet,
int packet_size)
{
tmp_str += sprintf(tmp_str, "m");
struct threads *temp = linux_os->thread_list;
- while (temp != NULL) {
+ while (temp) {
tmp_str += sprintf(tmp_str, "%016" PRIx64, temp->threadid);
temp = temp->next;
if (temp)
return ERROR_OK;
}
-int linux_gdb_thread_update(struct target *target,
+static int linux_gdb_thread_update(struct target *target,
struct connection *connection, char const *packet,
int packet_size)
{
target->rtos->rtos_specific_params;
struct threads *temp = linux_os->thread_list;
- while (temp != NULL) {
+ while (temp) {
if (temp->threadid == linux_os->preupdtate_threadid_count + 1) {
/*LOG_INFO("FOUND");*/
found = 1;
temp = temp->next;
- while (temp != NULL) {
+ while (temp) {
/*LOG_INFO("INTO GDB THREAD UPDATE WHILE");*/
tmp_strr += sprintf(tmp_strr, ",");
tmp_strr +=
return ERROR_OK;
}
-int linux_thread_extra_info(struct target *target,
+static int linux_thread_extra_info(struct target *target,
struct connection *connection, char const *packet,
int packet_size)
{
/*LOG_INFO("lookup extra info for thread %" SCNx64, threadid);*/
struct threads *temp = linux_os->thread_list;
- while (temp != NULL) {
+ while (temp) {
if (temp->threadid == threadid) {
char *pid = " PID: ";
char *pid_current = "*PID: ";
return ERROR_OK;
}
-int linux_gdb_T_packet(struct connection *connection,
+static int linux_gdb_t_packet(struct connection *connection,
struct target *target, char const *packet, int packet_size)
{
int64_t threadid;
struct threads *temp = linux_os->thread_list;
struct threads *prev = NULL;
- while (temp != NULL) {
+ while (temp) {
if (temp->threadid == threadid) {
if (temp->status != 0) {
gdb_put_packet(connection, "OK", 2);
retval = linux_task_update(target, 1);
struct threads *temp = linux_os->thread_list;
- while (temp != NULL) {
+ while (temp) {
if (temp->threadid == threadid) {
if (temp->status == 1) {
gdb_put_packet(connection, "OK", 2);
return retval;
}
-int linux_gdb_h_packet(struct connection *connection,
+static int linux_gdb_h_packet(struct connection *connection,
struct target *target, char const *packet, int packet_size)
{
struct linux_os *linux_os = (struct linux_os *)
struct current_thread *ct = linux_os->current_threads;
/* select to display the current thread of the selected target */
- while ((ct != NULL) && (ct->core_id != target->coreid))
+ while ((ct) && (ct->core_id != target->coreid))
ct = ct->next;
int64_t current_gdb_thread_rq;
if (linux_os->threads_lookup == 1) {
- if ((ct != NULL) && (ct->threadid == -1)) {
+ if ((ct) && (ct->threadid == -1)) {
ct = linux_os->current_threads;
- while ((ct != NULL) && (ct->threadid == -1))
+ while ((ct) && (ct->threadid == -1))
ct = ct->next;
}
- if (ct == NULL) {
+ if (!ct) {
/* no current thread can be identified
* any way with smp */
LOG_INFO("no current thread identified");
struct threads t;
ct = linux_os->current_threads;
- while ((ct != NULL) && (ct->threadid == -1)) {
+ while ((ct) && (ct->threadid == -1)) {
t.base_addr = ct->TS;
get_name(target, &t);
LOG_INFO("name of unidentified thread %s",
switch (packet[0]) {
case 'T': /* Is thread alive?*/
- linux_gdb_T_packet(connection, target, packet, packet_size);
+ linux_gdb_t_packet(connection, target, packet, packet_size);
break;
case 'H': /* Set current thread */
/* ( 'c' for step and continue, 'g' for all other operations )*/
break;
} else if (strncmp(packet, "qfThreadInfo", 12) == 0) {
- if (linux_os->thread_list == NULL) {
+ if (!linux_os->thread_list) {
retval = linux_gdb_thread_packet(target,
connection,
packet,
if (linux_os->threads_lookup == 1) {
ct = linux_os->current_threads;
- while ((ct != NULL) && (ct->core_id) != target->coreid)
+ while ((ct) && (ct->core_id) != target->coreid)
ct = ct->next;
- if ((ct != NULL) && (ct->threadid == -1)) {
+ if ((ct) && (ct->threadid == -1)) {
ct = linux_os->current_threads;
- while ((ct != NULL) && (ct->threadid == -1))
+ while ((ct) && (ct->threadid == -1))
ct = ct->next;
}
- if ((ct != NULL) && (ct->threadid !=
+ if ((ct) && (ct->threadid !=
target->rtos->current_threadid)
&& (target->rtos->current_threadid != -1))
LOG_WARNING("WARNING! current GDB thread do not match "
struct linux_os *os_linux =
(struct linux_os *)rtos->rtos_specific_params;
struct current_thread *ct;
- head = target->head;
- while (head != (struct target_list *)NULL) {
+ foreach_smp_target(head, target->smp_targets) {
if (head->target->rtos != rtos) {
struct linux_os *smp_os_linux =
(struct linux_os *)head->target->rtos->rtos_specific_params;
os_linux->nr_cpus++;
free(smp_os_linux);
}
-
- head = head->next;
}
return ERROR_OK;
tmp += sprintf(tmp, "PID\t\tCPU\t\tASID\t\tNAME\n");
tmp += sprintf(tmp, "---\t\t---\t\t----\t\t----\n");
- while (temp != NULL) {
+ while (temp) {
if (temp->status) {
if (temp->context)
tmp +=
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