linux.c File Reference

Include dependency graph for linux.c:

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Data Structures
struct	cpu_context
struct	current_thread
struct	linux_os
struct	threads

Macros
#define	INIT_TASK   0
#define	LINUX_USER_KERNEL_BORDER   0xc0000000
#define	MAX_THREADS   200
#define	PHYS

Functions
static struct current_thread *	add_current_thread (struct current_thread *currents, struct current_thread *ct)
static int	clean_threadlist (struct target *target)
static struct cpu_context *	cpu_context_read (struct target *target, uint32_t base_addr, uint32_t *info_addr)
static int	current_base_addr (struct linux_os *linux_os, uint32_t base_addr)
static int	fill_buffer (struct target *target, uint32_t addr, uint8_t *buffer)
static int	fill_task (struct target *target, struct threads *t)
static uint32_t	get_buffer (struct target *target, const uint8_t *buffer)
static int	get_current (struct target *target, int create)
static int	get_name (struct target *target, struct threads *t)
static int	insert_into_threadlist (struct target *target, struct threads *t)
static int	linux_compute_virt2phys (struct target *target, target_addr_t address)
static int	linux_gdb_h_packet (struct connection *connection, struct target *target, char const *packet, int packet_size)
static int	linux_gdb_t_packet (struct connection *connection, struct target *target, char const *packet, int packet_size)
static int	linux_gdb_thread_packet (struct target *target, struct connection *connection, char const *packet, int packet_size)
static int	linux_gdb_thread_update (struct target *target, struct connection *connection, char const *packet, int packet_size)
static int	linux_get_symbol_list_to_lookup (struct symbol_table_elem *symbol_list[])
static int	linux_get_tasks (struct target *target, int context)
static void	linux_identify_current_threads (struct target *target)
static int	linux_os_clean (struct target *target)
static int	linux_os_create (struct target *target)
static bool	linux_os_detect (struct target *target)
static int	linux_os_dummy_update (struct rtos *rtos)
static int	linux_os_smp_init (struct target *target)
static int	linux_os_thread_reg_list (struct rtos *rtos, int64_t thread_id, struct rtos_reg **reg_list, int *num_regs)
static char *	linux_ps_command (struct target *target)
static int	linux_read_memory (struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
static int	linux_task_update (struct target *target, int context)
static int	linux_thread_extra_info (struct target *target, struct connection *connection, char const *packet, int packet_size)
static int	linux_thread_packet (struct connection *connection, char const *packet, int packet_size)
static struct threads *	liste_add_task (struct threads *task_list, struct threads *t, struct threads **last)
static struct threads *	liste_del_task (struct threads *task_list, struct threads **t, struct threads *prev)
static uint32_t	next_task (struct target *target, struct threads *t)

Variables
const struct rtos_type	linux_rtos
static const char *const	linux_symbol_list []

Macro Definition Documentation

INIT_TASK

#define INIT_TASK   0

Definition at line 230 of file linux.c.

LINUX_USER_KERNEL_BORDER

#define LINUX_USER_KERNEL_BORDER   0xc0000000

Definition at line 25 of file linux.c.

MAX_THREADS

#define MAX_THREADS   200

Definition at line 28 of file linux.c.

PHYS

#define PHYS

Definition at line 27 of file linux.c.

Function Documentation

add_current_thread()

static struct current_thread* add_current_thread ( struct current_thread *  currents, struct current_thread *  ct  )

static

Definition at line 586 of file linux.c.

References current_thread::next, and NULL.

Referenced by linux_os_create(), and linux_os_smp_init().

clean_threadlist()

static int clean_threadlist ( struct target *  target )

static

Definition at line 759 of file linux.c.

References ERROR_OK, target::rtos, rtos::rtos_specific_params, and linux_os::thread_list.

Referenced by linux_os_clean().

cpu_context_read()

static struct cpu_context * cpu_context_read ( struct target *  target, uint32_t  base_addr, uint32_t *  info_addr  )

static

Definition at line 471 of file linux.c.

References buffer, CPU_CONT, ERROR_FAIL, ERROR_OK, fill_buffer(), cpu_context::FP, get_buffer(), cpu_context::IP, linux_read_memory(), LINUX_USER_KERNEL_BORDER, LOG_ERROR, LOG_INFO, cpu_context::PC, PREEMPT, cpu_context::preempt_count, QAT, cpu_context::R4, cpu_context::R5, cpu_context::R6, cpu_context::R7, cpu_context::R8, cpu_context::R9, cpu_context::SP, and target_buffer_get_u32().

Referenced by linux_get_tasks(), and linux_task_update().

current_base_addr()

static int current_base_addr ( struct linux_os *  linux_os, uint32_t  base_addr  )

static

Definition at line 650 of file linux.c.

References linux_os::current_threads, current_thread::next, and current_thread::TS.

Referenced by linux_get_tasks().

fill_buffer()

static int fill_buffer ( struct target *  target, uint32_t  addr, uint8_t *  buffer  )

static

Definition at line 137 of file linux.c.

References addr, buffer, linux_read_memory(), and LOG_INFO.

Referenced by cpu_context_read(), fill_task(), get_current(), and next_task().

fill_task()

static int fill_task ( struct target *  target, struct threads *  t  )

static

Definition at line 283 of file linux.c.

References threads::asid, threads::base_addr, buffer, ERROR_OK, fill_buffer(), get_buffer(), LOG_ERROR, MEM, MM_CTX, threads::oncpu, ONCPU, PID, threads::pid, and threads::state.

Referenced by get_current(), linux_get_tasks(), linux_identify_current_threads(), and linux_task_update().

get_buffer()

static uint32_t get_buffer ( struct target *  target, const uint8_t *  buffer  )

static

Definition at line 148 of file linux.c.

References buffer, and target_buffer_get_u32().

Referenced by cpu_context_read(), fill_task(), get_current(), and next_task().

get_current()

static int get_current ( struct target *  target, int  create  )

static

Definition at line 385 of file linux.c.

References threads::base_addr, buffer, current_thread::core_id, target::coreid, linux_os::current_threads, ERROR_OK, ERROR_TARGET_FAILURE, fill_buffer(), fill_task(), foreach_smp_target, reg_arch_type::get, get_buffer(), get_name(), insert_into_threadlist(), LOG_ERROR, current_thread::next, threads::oncpu, ONCPU, threads::pid, REG_CLASS_GENERAL, target::rtos, rtos::rtos_specific_params, target::smp_targets, threads::status, target_list::target, target_get_gdb_reg_list(), linux_os::thread_count, threads::thread_info_addr, current_thread::threadid, threads::threadid, current_thread::TS, reg::type, reg::valid, and reg::value.

Referenced by linux_get_tasks(), and linux_task_update().

get_name()

static int get_name ( struct target *  target, struct threads *  t  )

static

Definition at line 339 of file linux.c.

References threads::base_addr, COMM, ERROR_FAIL, ERROR_OK, linux_read_memory(), LOG_ERROR, threads::name, and target_buffer_get_u32().

Referenced by get_current(), linux_gdb_h_packet(), linux_get_tasks(), linux_identify_current_threads(), and linux_task_update().

insert_into_threadlist()

static int insert_into_threadlist ( struct target *  target, struct threads *  t  )

static

Definition at line 793 of file linux.c.

References ERROR_OK, threads::next, NULL, target::rtos, rtos::rtos_specific_params, threads::status, linux_os::thread_list, threads::threadid, and linux_os::threadid_count.

Referenced by get_current(), linux_identify_current_threads(), and linux_task_update().

linux_compute_virt2phys()

static int linux_compute_virt2phys ( struct target *  target, target_addr_t  address  )

static

Definition at line 98 of file linux.c.

References ERROR_FAIL, ERROR_OK, linux_os::init_task_addr, LOG_ERROR, linux_os::phys_base, linux_os::phys_mask, target::rtos, rtos::rtos_specific_params, target::type, and target_type::virt2phys.

Referenced by linux_thread_packet().

linux_gdb_h_packet()

static int linux_gdb_h_packet ( struct connection *  connection, struct target *  target, char const *  packet, int  packet_size  )

static

Definition at line 1211 of file linux.c.

References threads::base_addr, target::coreid, rtos::current_threadid, linux_os::current_threads, ERROR_OK, gdb_put_packet(), get_name(), LOG_INFO, threads::name, current_thread::next, target::rtos, rtos::rtos_specific_params, and linux_os::threads_lookup.

Referenced by linux_thread_packet().

linux_gdb_t_packet()

static int linux_gdb_t_packet ( struct connection *  connection, struct target *  target, char const *  packet, int  packet_size  )

static

Definition at line 1151 of file linux.c.

References ERROR_OK, gdb_put_packet(), linux_task_update(), liste_del_task(), LOG_INFO, threads::next, NULL, target::rtos, rtos::rtos_specific_params, threads::status, linux_os::thread_count, linux_os::thread_list, threads::threadid, and linux_os::threads_needs_update.

Referenced by linux_thread_packet().

linux_gdb_thread_packet()

static int linux_gdb_thread_packet ( struct target *  target, struct connection *  connection, char const *  packet, int  packet_size  )

static

Definition at line 1021 of file linux.c.

References ERROR_OK, ERROR_TARGET_FAILURE, gdb_put_packet(), linux_os::init_task_addr, linux_get_tasks(), LOG_INFO, MAX_THREADS, threads::next, target::rtos, rtos::rtos_specific_params, linux_os::thread_list, and threads::threadid.

Referenced by linux_thread_packet().

linux_gdb_thread_update()

static int linux_gdb_thread_update ( struct target *  target, struct connection *  connection, char const *  packet, int  packet_size  )

static

Definition at line 1058 of file linux.c.

References ERROR_OK, gdb_put_packet(), MAX_THREADS, threads::next, linux_os::preupdtate_threadid_count, target::rtos, rtos::rtos_specific_params, linux_os::thread_list, and linux_os::threadid_count.

Referenced by linux_thread_packet().

linux_get_symbol_list_to_lookup()

static int linux_get_symbol_list_to_lookup ( struct symbol_table_elem *  symbol_list[] )

static

Definition at line 236 of file linux.c.

References ARRAY_SIZE, linux_symbol_list, and symbol_table_elem::symbol_name.

linux_get_tasks()

static int linux_get_tasks ( struct target *  target, int  context  )

static

Definition at line 671 of file linux.c.

References threads::base_addr, threads::context, cpu_context_read(), current_base_addr(), ERROR_FAIL, ERROR_OK, fill_task(), get_current(), get_name(), linux_os::init_task_addr, liste_add_task(), LOG_INFO, MAX_THREADS, next_task(), NULL, threads::pid, linux_os::preupdtate_threadid_count, target::rtos, rtos::rtos_specific_params, start, threads::status, linux_os::thread_count, threads::thread_info_addr, linux_os::thread_list, threads::threadid, linux_os::threadid_count, linux_os::threads_lookup, linux_os::threads_needs_update, and timeval_ms().

Referenced by linux_gdb_thread_packet(), and linux_ps_command().

linux_identify_current_threads()

static void linux_identify_current_threads ( struct target *  target )

static

Definition at line 816 of file linux.c.

References threads::base_addr, linux_os::current_threads, ERROR_OK, fill_task(), get_name(), insert_into_threadlist(), LOG_ERROR, LOG_INFO, threads::name, threads::next, NULL, threads::pid, target::rtos, rtos::rtos_specific_params, threads::status, linux_os::thread_count, threads::thread_info_addr, linux_os::thread_list, and threads::threadid.

Referenced by linux_task_update().

linux_os_clean()

static int linux_os_clean ( struct target *  target )

static

Definition at line 777 of file linux.c.

References clean_threadlist(), ERROR_OK, linux_os::init_task_addr, linux_os::name, linux_os::nr_cpus, NULL, target::rtos, rtos::rtos_specific_params, linux_os::thread_count, linux_os::thread_list, linux_os::threadid_count, linux_os::threads_lookup, and linux_os::threads_needs_update.

linux_os_create()

static int linux_os_create ( struct target *  target )

static

Definition at line 1406 of file linux.c.

References add_current_thread(), current_thread::core_id, target::coreid, rtos::current_threadid, linux_os::current_threads, rtos::gdb_thread_packet, linux_os::init_task_addr, linux_thread_packet(), LOG_INFO, linux_os::name, linux_os::nr_cpus, NULL, linux_os::phys_base, linux_os::phys_mask, target::rtos, rtos::rtos_specific_params, linux_os::thread_count, linux_os::thread_list, current_thread::threadid, linux_os::threadid_count, linux_os::threads_lookup, linux_os::threads_needs_update, and current_thread::TS.

linux_os_detect()

static bool linux_os_detect ( struct target *  target )

static

Definition at line 222 of file linux.c.

References LOG_INFO.

linux_os_dummy_update()

static int linux_os_dummy_update ( struct rtos *  rtos )

static

Definition at line 91 of file linux.c.

linux_os_smp_init()

static int linux_os_smp_init ( struct target *  target )

static

Definition at line 1375 of file linux.c.

References add_current_thread(), target::coreid, linux_os::current_threads, ERROR_OK, foreach_smp_target, linux_os::nr_cpus, target::rtos, rtos::rtos_specific_params, target::smp_targets, target_list::target, and current_thread::threadid.

linux_os_thread_reg_list()

static int linux_os_thread_reg_list ( struct rtos *  rtos, int64_t  thread_id, struct rtos_reg **  reg_list, int *  num_regs  )

static

Definition at line 156 of file linux.c.

References linux_os::current_threads, current_thread::next, target::rtos, rtos::rtos_specific_params, and rtos::target.

linux_ps_command()

static char * linux_ps_command ( struct target *  target )

static

Definition at line 1435 of file linux.c.

References threads::asid, threads::context, ERROR_OK, linux_get_tasks(), linux_task_update(), LOG_INFO, threads::name, threads::next, threads::oncpu, threads::pid, target::rtos, rtos::rtos_specific_params, threads::status, linux_os::thread_count, linux_os::thread_list, linux_os::threads_lookup, and linux_os::threads_needs_update.

linux_read_memory()

static int linux_read_memory ( struct target *  target, uint32_t  address, uint32_t  size, uint32_t  count, uint8_t *  buffer  )

static

Definition at line 117 of file linux.c.

References buffer, count, ERROR_FAIL, ERROR_OK, LOG_ERROR, linux_os::phys_base, linux_os::phys_mask, target::rtos, rtos::rtos_specific_params, size, target_read_memory(), and target_read_phys_memory().

Referenced by cpu_context_read(), fill_buffer(), and get_name().

linux_task_update()

static int linux_task_update ( struct target *  target, int  context  )

static

Definition at line 904 of file linux.c.

References threads::base_addr, threads::context, cpu_context_read(), ERROR_FAIL, ERROR_OK, fill_task(), get_current(), get_name(), linux_os::init_task_addr, insert_into_threadlist(), linux_identify_current_threads(), LOG_INFO, threads::next, next_task(), NULL, threads::pid, target::rtos, rtos::rtos_specific_params, start, threads::status, linux_os::thread_count, threads::thread_info_addr, linux_os::thread_list, linux_os::threads_needs_update, and timeval_ms().

Referenced by linux_gdb_t_packet(), and linux_ps_command().

linux_thread_extra_info()

static int linux_thread_extra_info ( struct target *  target, struct connection *  connection, char const *  packet, int  packet_size  )

static

Definition at line 1105 of file linux.c.

References ERROR_OK, gdb_put_packet(), hexify(), LOG_INFO, threads::name, name, threads::next, threads::pid, target::rtos, rtos::rtos_specific_params, threads::status, linux_os::thread_list, and threads::threadid.

Referenced by linux_thread_packet().

linux_thread_packet()

static int linux_thread_packet ( struct connection *  connection, char const *  packet, int  packet_size  )

static

Definition at line 1280 of file linux.c.

References symbol_table_elem::address, current_thread::core_id, target::coreid, rtos::current_threadid, linux_os::current_threads, ERROR_OK, gdb_put_packet(), GDB_THREAD_PACKET_NOT_CONSUMED, get_target_from_connection(), INIT_TASK, linux_compute_virt2phys(), linux_gdb_h_packet(), linux_gdb_t_packet(), linux_gdb_thread_packet(), linux_gdb_thread_update(), linux_thread_extra_info(), LOG_INFO, LOG_WARNING, current_thread::next, target::rtos, rtos_qsymbol(), rtos::rtos_specific_params, rtos::symbols, linux_os::thread_list, current_thread::threadid, linux_os::threads_lookup, and linux_os::threads_needs_update.

Referenced by linux_os_create().

liste_add_task()

static struct threads* liste_add_task ( struct threads *  task_list, struct threads *  t, struct threads **  last  )

static

Definition at line 622 of file linux.c.

References threads::next, and NULL.

Referenced by linux_get_tasks().

liste_del_task()

static struct threads* liste_del_task ( struct threads *  task_list, struct threads **  t, struct threads *  prev  )

static

Definition at line 605 of file linux.c.

References LOG_INFO, and threads::next.

Referenced by linux_gdb_t_packet().

next_task()

static uint32_t next_task ( struct target *  target, struct threads *  t  )

static

Definition at line 567 of file linux.c.

References threads::base_addr, buffer, ERROR_OK, fill_buffer(), get_buffer(), LOG_ERROR, and NEXT.

Referenced by linux_get_tasks(), and linux_task_update().

Variable Documentation

linux_rtos

const struct rtos_type linux_rtos

Initial value:

= {
    .name = "linux",
    .detect_rtos = linux_os_detect,
    .create = linux_os_create,
    .smp_init = linux_os_smp_init,
    .update_threads = linux_os_dummy_update,
    .get_thread_reg_list = linux_os_thread_reg_list,
    .get_symbol_list_to_lookup = linux_get_symbol_list_to_lookup,
    .clean = linux_os_clean,
    .ps_command = linux_ps_command,
}

Definition at line 248 of file linux.c.

linux_symbol_list

const char* const linux_symbol_list[]

static

Initial value:

= {
    "init_task",
    NULL
}

Definition at line 231 of file linux.c.

Referenced by linux_get_symbol_list_to_lookup().