linux-ptrace.h File Reference

#include "nat/gdb_ptrace.h"

Go to the source code of this file.

Macros
#define	PTRACE_TYPE_ARG3   void *
#define	PTRACE_TYPE_ARG4   void *
#define	PTRACE_GETSIGINFO   0x4202
#define	PTRACE_SETSIGINFO   0x4203
#define	PTRACE_GETREGSET   0x4204
#define	PTRACE_SETREGSET   0x4205
#define	PTRACE_SETOPTIONS   0x4200
#define	PTRACE_GETEVENTMSG   0x4201
#define	PTRACE_O_TRACESYSGOOD   0x00000001
#define	PTRACE_O_TRACEFORK   0x00000002
#define	PTRACE_O_TRACEVFORK   0x00000004
#define	PTRACE_O_TRACECLONE   0x00000008
#define	PTRACE_O_TRACEEXEC   0x00000010
#define	PTRACE_O_TRACEVFORKDONE   0x00000020
#define	PTRACE_O_TRACEEXIT   0x00000040
#define	PTRACE_EVENT_FORK   1
#define	PTRACE_EVENT_VFORK   2
#define	PTRACE_EVENT_CLONE   3
#define	PTRACE_EVENT_EXEC   4
#define	PTRACE_EVENT_VFORK_DONE   5
#define	PTRACE_EVENT_EXIT   6
#define	PTRACE_O_EXITKILL   0x00100000
#define	__WALL   0x40000000 /* Wait for any child. */
#define	USE_SIGTRAP_SIGINFO   1
#define	GDB_ARCH_IS_TRAP_BRKPT(X)   ((X) == TRAP_BRKPT)
#define	GDB_ARCH_IS_TRAP_HWBKPT(X)   ((X) == TRAP_HWBKPT)
#define	TRAP_HWBKPT   4

Functions
void	linux_ptrace_attach_fail_reason (pid_t pid, struct buffer *buffer)
char *	linux_ptrace_attach_fail_reason_string (ptid_t ptid, int err)
void	linux_ptrace_init_warnings (void)
void	linux_check_ptrace_features (void)
void	linux_enable_event_reporting (pid_t pid, int attached)
void	linux_disable_event_reporting (pid_t pid)
int	linux_supports_tracefork (void)
int	linux_supports_traceexec (void)
int	linux_supports_traceclone (void)
int	linux_supports_tracevforkdone (void)
int	linux_supports_tracesysgood (void)
int	linux_ptrace_get_extended_event (int wstat)
int	linux_is_extended_waitstatus (int wstat)
int	linux_wstatus_maybe_breakpoint (int wstat)

Macro Definition Documentation

__WALL

#define __WALL   0x40000000 /* Wait for any child. */

Definition at line 96 of file linux-ptrace.h.

Referenced by detach_one_lwp(), kill_wait_one_lwp(), linux_handle_extended_wait(), linux_nat_post_attach_wait(), linux_nat_wait_1(), spu_child_post_attach(), spu_child_post_startup_inferior(), and wait_lwp().

GDB_ARCH_IS_TRAP_BRKPT

#define GDB_ARCH_IS_TRAP_BRKPT

(

X

)

((X) == TRAP_BRKPT)

Definition at line 175 of file linux-ptrace.h.

Referenced by save_stop_reason().

GDB_ARCH_IS_TRAP_HWBKPT

#define GDB_ARCH_IS_TRAP_HWBKPT

(

X

)

((X) == TRAP_HWBKPT)

Definition at line 176 of file linux-ptrace.h.

Referenced by save_stop_reason().

PTRACE_EVENT_CLONE

#define PTRACE_EVENT_CLONE   3

Definition at line 73 of file linux-ptrace.h.

Referenced by linux_handle_extended_wait().

PTRACE_EVENT_EXEC

#define PTRACE_EVENT_EXEC   4

Definition at line 74 of file linux-ptrace.h.

Referenced by linux_handle_extended_wait(), and linux_nat_filter_event().

PTRACE_EVENT_EXIT

#define PTRACE_EVENT_EXIT   6

Definition at line 76 of file linux-ptrace.h.

PTRACE_EVENT_FORK

#define PTRACE_EVENT_FORK   1

Definition at line 71 of file linux-ptrace.h.

Referenced by linux_handle_extended_wait(), and linux_test_for_tracefork().

PTRACE_EVENT_VFORK

#define PTRACE_EVENT_VFORK   2

Definition at line 72 of file linux-ptrace.h.

Referenced by linux_handle_extended_wait().

PTRACE_EVENT_VFORK_DONE

#define PTRACE_EVENT_VFORK_DONE   5

Definition at line 75 of file linux-ptrace.h.

Referenced by linux_handle_extended_wait().

PTRACE_GETEVENTMSG

#define PTRACE_GETEVENTMSG   0x4201

Definition at line 59 of file linux-ptrace.h.

Referenced by linux_handle_extended_wait(), and linux_test_for_tracefork().

PTRACE_GETREGSET

#define PTRACE_GETREGSET   0x4204

Definition at line 47 of file linux-ptrace.h.

Referenced by aarch64_linux_get_debug_reg_capacity(), aarch64_linux_read_description(), aarch64_ps_get_thread_area(), amd64_linux_fetch_inferior_registers(), amd64_linux_store_inferior_registers(), arm_linux_read_description(), check_regset(), fetch_fpregs(), fetch_fpregs_from_thread(), fetch_gregs_from_thread(), fetch_regs(), fetch_regset(), fetch_vfp_regs(), fetch_xstateregs(), store_fpregs(), store_fpregs_to_thread(), store_gregs_to_thread(), store_regs(), store_regset(), store_vfp_regs(), store_xstateregs(), and x86_linux_read_description().

PTRACE_GETSIGINFO

#define PTRACE_GETSIGINFO   0x4202

Definition at line 42 of file linux-ptrace.h.

Referenced by linux_nat_get_siginfo(), and linux_xfer_siginfo().

PTRACE_O_EXITKILL

#define PTRACE_O_EXITKILL   0x00100000

Definition at line 82 of file linux-ptrace.h.

Referenced by linux_nat_ptrace_options(), and linux_test_for_exitkill().

PTRACE_O_TRACECLONE

#define PTRACE_O_TRACECLONE   0x00000008

Definition at line 65 of file linux-ptrace.h.

Referenced by linux_enable_event_reporting(), linux_supports_traceclone(), and linux_test_for_tracefork().

PTRACE_O_TRACEEXEC

#define PTRACE_O_TRACEEXEC   0x00000010

Definition at line 66 of file linux-ptrace.h.

Referenced by linux_nat_ptrace_options(), linux_supports_traceexec(), and linux_test_for_tracefork().

PTRACE_O_TRACEEXIT

#define PTRACE_O_TRACEEXIT   0x00000040

Definition at line 68 of file linux-ptrace.h.

PTRACE_O_TRACEFORK

#define PTRACE_O_TRACEFORK   0x00000002

Definition at line 63 of file linux-ptrace.h.

Referenced by linux_nat_ptrace_options(), linux_supports_tracefork(), and linux_test_for_tracefork().

PTRACE_O_TRACESYSGOOD

#define PTRACE_O_TRACESYSGOOD   0x00000001

Definition at line 62 of file linux-ptrace.h.

Referenced by linux_nat_ptrace_options(), linux_supports_tracesysgood(), and linux_test_for_tracesysgood().

PTRACE_O_TRACEVFORK

#define PTRACE_O_TRACEVFORK   0x00000004

Definition at line 64 of file linux-ptrace.h.

Referenced by linux_nat_ptrace_options(), and linux_test_for_tracefork().

PTRACE_O_TRACEVFORKDONE

#define PTRACE_O_TRACEVFORKDONE   0x00000020

Definition at line 67 of file linux-ptrace.h.

Referenced by linux_nat_ptrace_options(), linux_supports_tracevforkdone(), and linux_test_for_tracefork().

PTRACE_SETOPTIONS

#define PTRACE_SETOPTIONS   0x4200

Definition at line 58 of file linux-ptrace.h.

Referenced by linux_disable_event_reporting(), linux_enable_event_reporting(), linux_test_for_exitkill(), linux_test_for_tracefork(), and linux_test_for_tracesysgood().

PTRACE_SETREGSET

#define PTRACE_SETREGSET   0x4205

Definition at line 51 of file linux-ptrace.h.

Referenced by aarch64_linux_set_debug_regs(), amd64_linux_store_inferior_registers(), store_fpregs(), store_fpregs_to_thread(), store_gregs_to_thread(), store_regs(), store_regset(), store_vfp_regs(), and store_xstateregs().

PTRACE_SETSIGINFO

#define PTRACE_SETSIGINFO   0x4203

Definition at line 43 of file linux-ptrace.h.

Referenced by linux_xfer_siginfo().

PTRACE_TYPE_ARG3

#define PTRACE_TYPE_ARG3   void *

Definition at line 34 of file linux-ptrace.h.

PTRACE_TYPE_ARG4

#define PTRACE_TYPE_ARG4   void *

Definition at line 38 of file linux-ptrace.h.

TRAP_HWBKPT

#define TRAP_HWBKPT   4

Definition at line 180 of file linux-ptrace.h.

USE_SIGTRAP_SIGINFO

#define USE_SIGTRAP_SIGINFO   1

Definition at line 117 of file linux-ptrace.h.

Referenced by linux_nat_supports_stopped_by_hw_breakpoint(), linux_nat_supports_stopped_by_sw_breakpoint(), and linux_nat_wait_1().

Function Documentation

linux_check_ptrace_features()

void linux_check_ptrace_features

(

void

)

Definition at line 337 of file linux-ptrace.c.

References _, error(), linux_child_function(), linux_fork_to_function(), linux_test_for_exitkill(), linux_test_for_tracefork(), linux_test_for_tracesysgood(), my_waitpid(), perror_with_name(), ptrace(), PTRACE_TYPE_ARG3, PTRACE_TYPE_ARG4, status, supported_ptrace_options, warning(), and WIFSTOPPED.

Referenced by linux_enable_event_reporting(), and ptrace_supports_feature().

linux_disable_event_reporting()

void linux_disable_event_reporting

(

pid_t

pid

)

Definition at line 512 of file linux-ptrace.c.

References pid, ptrace(), PTRACE_SETOPTIONS, and PTRACE_TYPE_ARG3.

Referenced by linux_child_follow_fork().

linux_enable_event_reporting()

void linux_enable_event_reporting	(	pid_t	pid,
		int	attached
	)

Definition at line 491 of file linux-ptrace.c.

References linux_check_ptrace_features(), pid, ptrace(), PTRACE_O_TRACECLONE, PTRACE_SETOPTIONS, PTRACE_TYPE_ARG3, PTRACE_TYPE_ARG4, and supported_ptrace_options.

Referenced by linux_init_ptrace(), linux_nat_filter_event(), and wait_lwp().

linux_is_extended_waitstatus()

int linux_is_extended_waitstatus

(

int

wstat

)

Definition at line 608 of file linux-ptrace.c.

References linux_ptrace_get_extended_event().

Referenced by linux_nat_filter_event(), and wait_lwp().

linux_ptrace_attach_fail_reason()

void linux_ptrace_attach_fail_reason	(	pid_t	pid,
		struct buffer *	buffer
	)

Definition at line 40 of file linux-ptrace.c.

References _, buffer_xml_printf(), linux_proc_get_tracerpid_nowarn(), linux_proc_pid_is_zombie_nowarn(), and pid.

Referenced by linux_nat_attach(), and linux_ptrace_attach_fail_reason_string().

linux_ptrace_attach_fail_reason_string()

char* linux_ptrace_attach_fail_reason_string	(	ptid_t	ptid,
		int	err
	)

Definition at line 59 of file linux-ptrace.c.

References buffer_finish(), buffer_grow_str0, buffer_init(), err, linux_ptrace_attach_fail_reason(), ptid_get_lwp(), safe_strerror(), xfree(), and xstrprintf().

Referenced by attach_proc_task_lwp_callback().

linux_ptrace_get_extended_event()

int linux_ptrace_get_extended_event

(

int

wstat

)

Definition at line 600 of file linux-ptrace.c.

Referenced by linux_handle_extended_wait(), linux_is_extended_waitstatus(), linux_nat_filter_event(), and linux_test_for_tracefork().

linux_ptrace_init_warnings()

void linux_ptrace_init_warnings

(

void

)

Definition at line 586 of file linux-ptrace.c.

References linux_ptrace_test_ret_to_nx().

Referenced by linux_init_ptrace().

linux_supports_traceclone()

int linux_supports_traceclone

(

void

)

Definition at line 559 of file linux-ptrace.c.

References PTRACE_O_TRACECLONE, and ptrace_supports_feature().

linux_supports_traceexec()

int linux_supports_traceexec

(

void

)

Definition at line 548 of file linux-ptrace.c.

References PTRACE_O_TRACEEXEC, and ptrace_supports_feature().

linux_supports_tracefork()

int linux_supports_tracefork

(

void

)

Definition at line 537 of file linux-ptrace.c.

References PTRACE_O_TRACEFORK, and ptrace_supports_feature().

Referenced by linux_child_follow_fork(), linux_child_insert_exec_catchpoint(), linux_child_insert_fork_catchpoint(), and linux_child_insert_vfork_catchpoint().

linux_supports_tracesysgood()

int linux_supports_tracesysgood

(

void

)

Definition at line 577 of file linux-ptrace.c.

References PTRACE_O_TRACESYSGOOD, and ptrace_supports_feature().

Referenced by linux_child_set_syscall_catchpoint().

linux_supports_tracevforkdone()

int linux_supports_tracevforkdone

(

void

)

Definition at line 568 of file linux-ptrace.c.

References PTRACE_O_TRACEVFORKDONE, and ptrace_supports_feature().

Referenced by linux_child_follow_fork().

linux_wstatus_maybe_breakpoint()

int linux_wstatus_maybe_breakpoint

(

int

wstat

)

Definition at line 616 of file linux-ptrace.c.

References WIFSTOPPED, and WSTOPSIG.

Referenced by linux_nat_filter_event().