+// 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, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#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 <target/smp.h>
#include "server/gdb_server.h"
#define LINUX_USER_KERNEL_BORDER 0xc0000000
#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;
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);
static int linux_os_dummy_update(struct rtos *rtos)
{
- /* update is done only when thread request come */
- /* too many thread to do it on each stop */
+ /* update is done only when thread request come
+ * too many thread to do it on each stop */
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->rtos->rtos_specific_params;
+ target_addr_t pa = 0;
int retval = target->type->virt2phys(target, address, &pa);
if (retval != ERROR_OK) {
LOG_ERROR("Cannot compute linux virt2phys translation");
}
static int linux_read_memory(struct target *target,
- uint32_t address, uint32_t size, uint32_t count,
- uint8_t *buffer)
+ uint32_t address, uint32_t size, uint32_t count,
+ uint8_t *buffer)
{
#ifdef PHYS
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
uint32_t pa = (address & linux_os->phys_mask) + linux_os->phys_base;
#endif
if (address < 0xc000000) {
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)
+static 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;
}
-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;
}
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;
+ target->rtos->rtos_specific_params;
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 */
found = 1;
else
next = next->next;
- } while ((found == 0) && (next != tmp) && (next != NULL));
+ } while ((found == 0) && (next != tmp) && (next));
- 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, ®_list, ®_list_size);
-
- if (retval != ERROR_OK)
- return retval;
-
- for (i = 0; i < reg_list_size; i++)
- reg_packet_size += reg_list[i]->size;
-
- *hex_reg_list = malloc(DIV_ROUND_UP(reg_packet_size, 8) * 2);
-
- hex_string = *hex_reg_list;
-
- for (i = 0; i < reg_list_size; i++) {
- if (!reg_list[i]->valid)
- reg_list[i]->type->get(reg_list[i]);
+ if (found == 0) {
+ LOG_ERROR("could not find thread: %" PRIx64, thread_id);
+ return ERROR_FAIL;
+ }
- hex_string = reg_converter(hex_string,
- reg_list[i]->value,
- (reg_list[i]->size) / 8);
+ /* search target to perform the access */
+ struct reg **gdb_reg_list;
+ struct target_list *head;
+ found = 0;
+ foreach_smp_target(head, target->smp_targets) {
+ if (head->target->coreid == next->core_id) {
+ target = head->target;
+ found = 1;
+ break;
}
+ }
- free(reg_list);
+ 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;
+ }
- } else {
- struct threads *temp = linux_os->thread_list;
- *hex_reg_list = (char *)calloc(1, 500 * sizeof(char));
- hex_string = *hex_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;
- for (i = 0; i < 16; i++)
- hex_string += sprintf(hex_string, "%02x", 0);
+ *reg_list = calloc(*num_regs, sizeof(struct rtos_reg));
- while ((temp != NULL) &&
- (temp->threadid != target->rtos->current_threadid))
- temp = temp->next;
+ for (int i = 0; i < *num_regs; ++i) {
+ if (!gdb_reg_list[i]->valid)
+ gdb_reg_list[i]->type->get(gdb_reg_list[i]);
- 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);
- }
+ (*reg_list)[i].number = gdb_reg_list[i]->number;
+ (*reg_list)[i].size = gdb_reg_list[i]->size;
- 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
};
-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 *)
- malloc(sizeof(symbol_table_elem_t) / sizeof(char *));
+ *symbol_list = (struct symbol_table_elem *)
+ calloc(ARRAY_SIZE(linux_symbol_list), sizeof(struct symbol_table_elem));
- 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;
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,
.ps_command = linux_ps_command,
};
-static int linux_thread_packet(struct connection *connection, char *packet,
- int packet_size);
+static int linux_thread_packet(struct connection *connection, char const *packet,
+ int packet_size);
static void linux_identify_current_threads(struct target *target);
#ifdef PID_CHECK
}
#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;
uint32_t mem_addr = t->base_addr + MEM;
t->asid = val;
} else
LOG_ERROR
- ("fill task: unable to read memory -- ASID");
- } else {
+ ("fill task: unable to read memory -- ASID");
+ } else
t->asid = 0;
- }
} else
LOG_ERROR("fill task: unable to read memory");
+ free(buffer);
+
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];
}
uint32_t raw_name = target_buffer_get_u32(target,
- (const uint8_t *)
- &full_name[0]);
+ (const uint8_t *)
+ &full_name[0]);
t->name[3] = raw_name >> 24;
t->name[2] = raw_name >> 16;
t->name[1] = raw_name >> 8;
t->name[0] = raw_name;
raw_name =
- target_buffer_get_u32(target, (const uint8_t *)&full_name[1]);
+ target_buffer_get_u32(target, (const uint8_t *)&full_name[1]);
t->name[7] = raw_name >> 24;
t->name[6] = raw_name >> 16;
t->name[5] = raw_name >> 8;
t->name[4] = raw_name;
raw_name =
- target_buffer_get_u32(target, (const uint8_t *)&full_name[2]);
+ target_buffer_get_u32(target, (const uint8_t *)&full_name[2]);
t->name[11] = raw_name >> 24;
t->name[10] = raw_name >> 16;
t->name[9] = raw_name >> 8;
t->name[8] = raw_name;
raw_name =
- target_buffer_get_u32(target, (const uint8_t *)&full_name[3]);
+ target_buffer_get_u32(target, (const uint8_t *)&full_name[3]);
t->name[15] = raw_name >> 24;
t->name[14] = raw_name >> 16;
t->name[13] = raw_name >> 8;
}
-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;
uint8_t *buffer = calloc(1, 4);
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
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;
if (target_get_gdb_reg_list(head->target, ®_list,
- ®_list_size) !=
- ERROR_OK)
+ ®_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]);
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);
if (retval == ERROR_OK) {
/*uint32_t cpu = get_buffer(target, buffer);*/
struct current_thread *ct =
- linux_os->current_threads;
+ 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
- ("error in linux current thread update");
+ ("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;
}
free(reg_list);
- head = head->next;
}
+ free(buffer);
+
return ERROR_OK;
}
-struct cpu_context *cpu_context_read(struct target *target, uint32_t base_addr,
- uint32_t *thread_info_addr_old)
+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));
uint32_t preempt_count_addr = 0;
else {
if (*thread_info_addr_old != 0xdeadbeef) {
LOG_ERROR
- ("cpu_context: cannot read at thread_info_addr");
+ ("cpu_context: cannot read at thread_info_addr");
if (*thread_info_addr_old < LINUX_USER_KERNEL_BORDER)
LOG_INFO
- ("cpu_context : thread_info_addr in userspace!!!");
+ ("cpu_context : thread_info_addr in userspace!!!");
*thread_info_addr_old = 0xdeadbeef;
goto retry;
thread_info_addr += CPU_CONT;
retval = linux_read_memory(target, thread_info_addr, 4, 10,
- (uint8_t *) registers);
+ (uint8_t *) registers);
if (retval != ERROR_OK) {
+ free(buffer);
LOG_ERROR("cpu_context: unable to read memory\n");
return context;
}
context->R4 =
- target_buffer_get_u32(target, (const uint8_t *)®isters[0]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[0]);
context->R5 =
- target_buffer_get_u32(target, (const uint8_t *)®isters[1]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[1]);
context->R6 =
- target_buffer_get_u32(target, (const uint8_t *)®isters[2]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[2]);
context->R7 =
- target_buffer_get_u32(target, (const uint8_t *)®isters[3]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[3]);
context->R8 =
- target_buffer_get_u32(target, (const uint8_t *)®isters[4]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[4]);
context->R9 =
- target_buffer_get_u32(target, (const uint8_t *)®isters[5]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[5]);
context->IP =
- target_buffer_get_u32(target, (const uint8_t *)®isters[6]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[6]);
context->FP =
- target_buffer_get_u32(target, (const uint8_t *)®isters[7]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[7]);
context->SP =
- target_buffer_get_u32(target, (const uint8_t *)®isters[8]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[8]);
context->PC =
- target_buffer_get_u32(target, (const uint8_t *)®isters[9]);
+ target_buffer_get_u32(target, (const uint8_t *)®isters[9]);
if (*thread_info_addr_old == 0xdeadbeef)
*thread_info_addr_old = thread_info_addr_update;
+ free(buffer);
+
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;
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;
}
-struct current_thread *add_current_thread(struct current_thread *currents,
- struct current_thread *ct)
+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,
- struct threads *prev)
+static struct threads *liste_del_task(struct threads *task_list, struct threads **t,
+ struct threads *prev)
{
LOG_INFO("del task %" PRId64, (*t)->threadid);
- prev->next = (*t)->next;
-
- if (prev == task_list)
- task_list = prev;
+ if (prev)
+ prev->next = (*t)->next;
+ else
+ task_list = (*t)->next;
/* free content of threads */
- if ((*t)->context)
- free((*t)->context);
+ free((*t)->context);
free(*t);
- *t = prev;
+ *t = prev ? prev : task_list;
return task_list;
}
-struct threads *liste_add_task(struct threads *task_list, struct threads *t,
- struct threads **last)
+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;
*last = t;
return task_list;
} else {
- (*last)->next = t;
- *last = t;
- return task_list;
- }
+ (*last)->next = t;
+ *last = t;
+ return task_list;
+ }
}
#ifdef PID_CHECK
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;
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
linux_os->thread_list = NULL;
linux_os->thread_count = 0;
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)
- ) {
+ (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;
}
/* check that this thread is not one the current threads already
* created */
+ uint32_t base_addr;
#ifdef PID_CHECK
if (!current_pid(linux_os, t->pid)) {
linux_os->threadid_count++;
linux_os->thread_list =
- liste_add_task(linux_os->thread_list, t, &last);
+ liste_add_task(linux_os->thread_list, t, &last);
/* no interest to fill the context if it is a current thread. */
linux_os->thread_count++;
t->thread_info_addr = 0xdeadbeef;
if (context)
t->context =
- cpu_context_read(target, t->base_addr,
- &t->thread_info_addr);
+ cpu_context_read(target, t->base_addr,
+ &t->thread_info_addr);
+ base_addr = next_task(target, t);
} else {
/*LOG_INFO("thread %s is a current thread already created",t->name); */
+ base_addr = next_task(target, t);
free(t);
}
- uint32_t base_addr = next_task(target, t);
t = calloc(1, sizeof(struct threads));
t->base_addr = base_addr;
}
linux_os->preupdtate_threadid_count = linux_os->threadid_count - 1;
/* check that all current threads have been identified */
- LOG_INFO("complete time %" PRId64", thread mean %" PRId64"\n",
- (timeval_ms() - start),
- (timeval_ms() - start) / linux_os->threadid_count);
+ LOG_INFO("complete time %" PRId64 ", thread mean %" PRId64 "\n",
+ (timeval_ms() - start),
+ (timeval_ms() - start) / linux_os->threadid_count);
LOG_INFO("threadid count %d", linux_os->threadid_count);
+ free(t);
return ERROR_OK;
}
static int clean_threadlist(struct target *target)
{
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
struct threads *old, *temp = linux_os->thread_list;
- while (temp != NULL) {
+ while (temp) {
old = temp;
- if (temp->context)
- free(temp->context);
+ free(temp->context);
temp = temp->next;
free(old);
static int linux_os_clean(struct target *target)
{
-
struct linux_os *os_linux = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
clean_threadlist(target);
os_linux->init_task_addr = 0xdeadbeef;
os_linux->name = "linux";
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;
static void linux_identify_current_threads(struct target *target)
{
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
struct threads *thread_list = linux_os->thread_list;
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
- if (thread_list->base_addr == t->base_addr) {
+ if (thread_list->base_addr == t->base_addr) {
#endif
- free(t);
- t = thread_list;
- found = 1;
- }
- thread_list = thread_list->next;
+ free(t);
+ t = thread_list;
+ found = 1;
}
+ thread_list = thread_list->next;
+ }
- if (!found) {
- /* it is a new thread */
- if (fill_task(target, t) != ERROR_OK)
- goto error_handling;
+ if (!found) {
+ /* it is a new thread */
+ if (fill_task(target, t) != ERROR_OK)
+ goto error_handling;
- get_name(target, t);
- insert_into_threadlist(target, t);
- t->thread_info_addr = 0xdeadbeef;
- }
+ get_name(target, t);
+ insert_into_threadlist(target, t);
+ t->thread_info_addr = 0xdeadbeef;
+ }
- t->status = 3;
- ct->threadid = t->threadid;
+ t->status = 3;
+ ct->threadid = t->threadid;
#ifdef PID_CHECK
- ct->pid = t->pid;
+ ct->pid = t->pid;
#endif
- linux_os->thread_count++;
+ linux_os->thread_count++;
#if 0
- if (found == 0)
- LOG_INFO("current thread core %x identified %s",
- ct->core_id, t->name);
- else
- LOG_INFO("current thread core %x, reused %s",
- ct->core_id, t->name);
+ if (found == 0)
+ LOG_INFO("current thread core %x identified %s",
+ ct->core_id, t->name);
+ else
+ LOG_INFO("current thread core %x, reused %s",
+ ct->core_id, t->name);
#endif
- }
+ }
#if 0
- else {
- struct threads tmp;
- tmp.base_addr = ct->TS;
- get_name(target, &tmp);
- LOG_INFO("current thread core %x , already identified %s !!!",
- ct->core_id, tmp.name);
- }
-#endif
- ct = ct->next;
+ else {
+ struct threads tmp;
+ tmp.base_addr = ct->TS;
+ get_name(target, &tmp);
+ LOG_INFO("current thread core %x , already identified %s !!!",
+ ct->core_id, tmp.name);
}
+#endif
+ ct = ct->next;
+ }
- return;
+ return;
#ifndef PID_CHECK
error_handling:
- free(t);
- LOG_ERROR("unable toread pid");
- return;
+ free(t);
+ LOG_ERROR("unable to read pid");
+ return;
#endif
- }
+}
static int linux_task_update(struct target *target, int context)
{
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
struct threads *thread_list = linux_os->thread_list;
int retval;
int loop = 0;
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*/
- if (thread_list->context) {
- free(thread_list->context);
- thread_list->context = NULL;
- }
+ free(thread_list->context);
+ thread_list->context = NULL;
thread_list = thread_list->next;
-
}
int found = 0;
uint32_t previous = 0xdeadbeef;
t->base_addr = linux_os->init_task_addr;
retval = get_current(target, 0);
- /*check that all current threads have been identified */
+ /*check that all current threads have been identified */
linux_identify_current_threads(target);
while (((t->base_addr != linux_os->init_task_addr) &&
thread_list = linux_os->thread_list;
- while (thread_list != NULL) {
+ while (thread_list) {
#ifdef PID_CHECK
-
if (t->pid == thread_list->pid) {
#else
if (t->base_addr == thread_list->base_addr) {
#endif
-
if (!thread_list->status) {
#ifdef PID_CHECK
-
- if (t->base_addr !=
- thread_list->base_addr) {
- LOG_INFO
- ("thread base_addr has changed !!");
- }
+ if (t->base_addr != thread_list->base_addr)
+ LOG_INFO("thread base_addr has changed !!");
#endif
/* this is not a current thread */
thread_list->base_addr = t->base_addr;
*/
if (context)
thread_list->context =
- cpu_context_read(target,
- thread_list->
- base_addr,
- &thread_list->
- thread_info_addr);
+ cpu_context_read(target,
+ thread_list->base_addr,
+ &thread_list->thread_info_addr);
} else {
/* it is a current thread no need to read context */
}
if (context)
t->context =
- cpu_context_read(target, t->base_addr,
- &t->thread_info_addr);
+ cpu_context_read(target, t->base_addr,
+ &t->thread_info_addr);
base_addr = next_task(target, t);
t = calloc(1, sizeof(struct threads));
linux_os->thread_count++;
} else
t->base_addr = next_task(target, t);
-
}
- LOG_INFO("update thread done %" PRId64", mean%" PRId64"\n",
- (timeval_ms() - start), (timeval_ms() - start) / loop);
+ LOG_INFO("update thread done %" PRId64 ", mean%" PRId64 "\n",
+ (timeval_ms() - start), (timeval_ms() - start) / loop);
free(t);
linux_os->threads_needs_update = 0;
return ERROR_OK;
}
-int linux_gdb_thread_packet(struct target *target,
- struct connection *connection, char *packet,
- int packet_size)
+static int linux_gdb_thread_packet(struct target *target,
+ struct connection *connection, char const *packet,
+ int packet_size)
{
-
int retval;
struct linux_os *linux_os =
- (struct linux_os *)target->rtos->rtos_specific_params;
+ (struct linux_os *)target->rtos->rtos_specific_params;
if (linux_os->init_task_addr == 0xdeadbeef) {
/* it has not been initialized */
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, ",");
+ while (temp) {
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,
- int packet_size)
+static int linux_gdb_thread_update(struct target *target,
+ struct connection *connection, char const *packet,
+ int packet_size)
{
int found = 0;
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ 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;
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");*/
temp = temp->next;
- while (temp != NULL) {
+ while (temp) {
/*LOG_INFO("INTO GDB THREAD UPDATE WHILE");*/
tmp_strr += sprintf(tmp_strr, ",");
tmp_strr +=
- sprintf(tmp_strr, "%016" PRIx64, temp->threadid);
+ sprintf(tmp_strr, "%016" PRIx64, temp->threadid);
temp = temp->next;
}
/*tmp_str[0] = 0;*/
gdb_put_packet(connection, out_strr, strlen(out_strr));
linux_os->preupdtate_threadid_count =
- linux_os->threadid_count - 1;
+ linux_os->threadid_count - 1;
free(out_strr);
} else
gdb_put_packet(connection, "l", 1);
return ERROR_OK;
}
-int linux_thread_extra_info(struct target *target,
- struct connection *connection, char *packet,
- int packet_size)
+static int linux_thread_extra_info(struct target *target,
+ struct connection *connection, char const *packet,
+ int packet_size)
{
int64_t threadid = 0;
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid);
/*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: ";
- 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);
+ 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;
return ERROR_OK;
}
-int linux_gdb_T_packet(struct connection *connection,
- struct target *target, char *packet, int packet_size)
+static int linux_gdb_t_packet(struct connection *connection,
+ struct target *target, char const *packet, int packet_size)
{
int64_t threadid;
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
int retval = ERROR_OK;
sscanf(packet, "T%" SCNx64, &threadid);
if (linux_os->threads_needs_update == 0) {
struct threads *temp = linux_os->thread_list;
- struct threads *prev = 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);
} else {
/* delete item in the list */
linux_os->thread_list =
- liste_del_task(linux_os->
- thread_list, &temp,
- prev);
+ liste_del_task(linux_os->thread_list,
+ &temp, prev);
linux_os->thread_count--;
gdb_put_packet(connection, "E01", 3);
return ERROR_OK;
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,
- struct target *target, char *packet, int packet_size)
+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 *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
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) {
- /* no current thread can be identified */
- /* any way with smp */
+ if (!ct) {
+ /* no current thread can be identified
+ * any way with smp */
LOG_INFO("no current thread identified");
/* attempt to display the name of the 2 threads identified with
* get_current */
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",
- t.name);
+ t.name);
ct = ct->next;
}
gdb_put_packet(connection, "OK", 2);
} else {
target->rtos->current_threadid =
- current_gdb_thread_rq;
+ current_gdb_thread_rq;
gdb_put_packet(connection, "OK", 2);
}
} else if (packet[1] == 'c') {
sscanf(packet, "Hc%16" SCNx64, ¤t_gdb_thread_rq);
if ((current_gdb_thread_rq == 0) ||
- (current_gdb_thread_rq == ct->threadid)) {
+ (current_gdb_thread_rq == ct->threadid)) {
target->rtos->current_threadid = ct->threadid;
gdb_put_packet(connection, "OK", 2);
} else
return ERROR_OK;
}
-static int linux_thread_packet(struct connection *connection, char *packet,
- int packet_size)
+static int linux_thread_packet(struct connection *connection, char const *packet,
+ int packet_size)
{
int retval = ERROR_OK;
struct current_thread *ct;
target->rtos->rtos_specific_params;
switch (packet[0]) {
- case 'T': /* Is thread alive?*/
-
- 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 )*/
- /*LOG_INFO(" H packet received '%s'", packet);*/
- linux_gdb_h_packet(connection, target, packet, packet_size);
- break;
- case 'q':
-
- if ((strstr(packet, "qSymbol"))) {
- if (rtos_qsymbol(connection, packet, packet_size) == 1) {
- gdb_put_packet(connection, "OK", 2);
-
- linux_compute_virt2phys(target,
- target->rtos->
- symbols[INIT_TASK].
- address);
- }
+ case 'T': /* Is thread alive?*/
+ linux_gdb_t_packet(connection, target, packet, packet_size);
break;
- } else if (strstr(packet, "qfThreadInfo")) {
- if (linux_os->thread_list == NULL) {
- retval = linux_gdb_thread_packet(target,
- connection,
- packet,
+ case 'H': /* Set current thread */
+ /* ( 'c' for step and continue, 'g' for all other operations )*/
+ /*LOG_INFO(" H packet received '%s'", packet);*/
+ linux_gdb_h_packet(connection, target, packet, packet_size);
+ break;
+ case 'q':
+
+ if (strncmp(packet, "qSymbol", 7) == 0) {
+ if (rtos_qsymbol(connection, packet, packet_size) == 1) {
+ linux_compute_virt2phys(target,
+ target->rtos->symbols[INIT_TASK].address);
+ }
+
+ break;
+ } else if (strncmp(packet, "qfThreadInfo", 12) == 0) {
+ if (!linux_os->thread_list) {
+ retval = linux_gdb_thread_packet(target,
+ connection,
+ packet,
+ packet_size);
+ break;
+ } else {
+ retval = linux_gdb_thread_update(target,
+ connection,
+ packet,
+ packet_size);
+ break;
+ }
+ } else if (strncmp(packet, "qsThreadInfo", 12) == 0) {
+ gdb_put_packet(connection, "l", 1);
+ break;
+ } else if (strncmp(packet, "qThreadExtraInfo,", 17) == 0) {
+ linux_thread_extra_info(target, connection, packet,
packet_size);
break;
} else {
- retval = linux_gdb_thread_update(target,
- connection,
- packet,
- packet_size);
+ retval = GDB_THREAD_PACKET_NOT_CONSUMED;
break;
}
- } else if (strstr(packet, "qsThreadInfo")) {
- gdb_put_packet(connection, "l", 1);
- break;
- } else if (strstr(packet, "qThreadExtraInfo,")) {
- linux_thread_extra_info(target, connection, packet,
- packet_size);
- break;
- } else {
+
+ case 'Q':
+ /* previously response was : thread not found
+ * gdb_put_packet(connection, "E01", 3); */
retval = GDB_THREAD_PACKET_NOT_CONSUMED;
break;
- }
-
- case 'Q':
- /* previously response was : thread not found
- * gdb_put_packet(connection, "E01", 3); */
- retval = GDB_THREAD_PACKET_NOT_CONSUMED;
- break;
- case 'c':
- case 's':{
- if (linux_os->threads_lookup == 1) {
- ct = linux_os->current_threads;
-
- while ((ct != NULL)
- && (ct->core_id) != target->coreid) {
- ct = ct->next;
- }
-
- if ((ct != NULL) && (ct->threadid == -1)) {
+ case 'c':
+ case 's': {
+ if (linux_os->threads_lookup == 1) {
ct = linux_os->current_threads;
- while ((ct != NULL)
- && (ct->threadid == -1)) {
+ while ((ct) && (ct->core_id) != target->coreid)
ct = ct->next;
+
+ if ((ct) && (ct->threadid == -1)) {
+ ct = linux_os->current_threads;
+
+ while ((ct) && (ct->threadid == -1))
+ ct = ct->next;
}
- }
- if ((ct != NULL) && (ct->threadid !=
- target->rtos->
- current_threadid)
- && (target->rtos->current_threadid != -1))
- LOG_WARNING("WARNING! current GDB thread do not match"\
- "current thread running."\
- "Switch thread in GDB to threadid %d", (int)ct->threadid);
+ if ((ct) && (ct->threadid !=
+ target->rtos->current_threadid)
+ && (target->rtos->current_threadid != -1))
+ LOG_WARNING("WARNING! current GDB thread do not match "
+ "current thread running. "
+ "Switch thread in GDB to threadid %d",
+ (int)ct->threadid);
- LOG_INFO("threads_needs_update = 1");
- linux_os->threads_needs_update = 1;
+ LOG_INFO("threads_needs_update = 1");
+ linux_os->threads_needs_update = 1;
+ }
}
- }
/* if a packet handler returned an error, exit input loop */
if (retval != ERROR_OK)
/* keep only target->rtos */
struct rtos *rtos = target->rtos;
struct linux_os *os_linux =
- (struct linux_os *)rtos->rtos_specific_params;
+ (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;
+ (struct linux_os *)head->target->rtos->rtos_specific_params;
/* remap smp target on rtos */
free(head->target->rtos);
head->target->rtos = rtos;
ct->TS = 0xdeadbeef;
ct->core_id = head->target->coreid;
os_linux->current_threads =
- add_current_thread(os_linux->current_threads, ct);
+ add_current_thread(os_linux->current_threads, ct);
os_linux->nr_cpus++;
free(smp_os_linux);
}
-
- head = head->next;
}
return ERROR_OK;
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;
os_linux->current_threads =
- add_current_thread(os_linux->current_threads, ct);
+ add_current_thread(os_linux->current_threads, ct);
/* overload rtos thread default handler */
target->rtos->gdb_thread_packet = linux_thread_packet;
/* initialize a default virt 2 phys translation */
static char *linux_ps_command(struct target *target)
{
struct linux_os *linux_os = (struct linux_os *)
- target->rtos->rtos_specific_params;
+ target->rtos->rtos_specific_params;
int retval = ERROR_OK;
char *display;
- if (linux_os->threads_lookup == 0) {
+ if (linux_os->threads_lookup == 0)
retval = linux_get_tasks(target, 1);
- } else {
+ else {
if (linux_os->threads_needs_update != 0)
retval = linux_task_update(target, 0);
}
struct threads *temp = linux_os->thread_list;
char *tmp;
LOG_INFO("allocation for %d threads line",
- linux_os->thread_count);
+ linux_os->thread_count);
display = calloc((linux_os->thread_count + 2) * 80, 1);
if (!display)
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 +=
- sprintf(tmp,
- "%d\t\t%d\t\t%x\t\t%s\n",
- (int)temp->pid, temp->oncpu,
- temp->asid, temp->name);
+ sprintf(tmp,
+ "%" PRIu32 "\t\t%" PRIu32 "\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,
- temp->asid, temp->name);
+ sprintf(tmp,
+ "%" PRIu32 "\t\t%" PRIu32 "\t\t%" PRIx32 "\t\t%s\n",
+ temp->pid, temp->oncpu,
+ temp->asid, temp->name);
}
temp = temp->next;
projects / fw / openocd / blobdiff