#include "config.h"
#include <assert.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <glib.h>
#include "common.h"
#include "glib_wrapper.h"
#include "arch.h"
#include "arch_x86.h"
#include "arch_x86_64.h"
#include "binfile.h"
#include "target.h"
#include "target_event.h"
#include "target_os.h"
#include "target_os_linux_generic.h"

Include dependency graph for target_os_linux_generic.c:

Data Structures
struct	os_linux_signame

struct	old_linux_syscall_probe_state

struct	match_pid_data

struct	__update_module_data

Macros
#define	LOCAL_TIF_SIGPENDING (1UL << 2)

#define	SYSCALL_GLOBAL_ENTRY_PROBE "os_linux_syscall_entry_probe"

#define	SYSCALL_GLOBAL_RET_PROBE "os_linux_syscall_ret_probe"

#define	DCACHE_AUTOFS_PENDING 0x0001

#define	DCACHE_NFSFS_RENAMED 0x0002

#define	DCACHE_DISCONNECTED 0x0004

#define	DCACHE_REFERENCED 0x0008

#define	DCACHE_UNHASHED 0x0010

#define	DCACHE_INOTIFY_PARENT_WATCHED 0x0020

#define	_LINUX_MAX_ERRNO 4095

#define	_LINUX_IS_ERR(x) unlikely((x) >= (REGVAL)-_LINUX_MAX_ERRNO)

Functions
struct target_thread *	os_linux_load_thread_from_value (struct target target, struct value taskv)

struct target_thread *	os_linux_load_current_thread (struct target *target, int force)

result_t	os_linux_int3_handler (struct probe probe, tid_t tid, void handler_data, struct probe trigger, struct probe base)

result_t	os_linux_debug_handler (struct probe probe, tid_t tid, void handler_data, struct probe trigger, struct probe base)

int	os_linux_attach (struct target *target)

int	os_linux_fini (struct target *target)

int	os_linux_postloadinit (struct target *target)

int	os_linux_postopened (struct target *target)

int	os_linux_handle_exception (struct target *target)

target_os_type_t	os_linux_type (struct target *target)

uint64_t	os_linux_version (struct target *target)

int	os_linux_version_cmp (struct target *target, uint64_t vers)

char *	os_linux_version_string (struct target *target)

int	os_linux_thread_get_pgd_phys (struct target target, struct target_thread tthread, ADDR *pgdp)

int	os_linux_thread_is_user (struct target target, struct target_thread tthread)

struct target_thread *	os_linux_thread_get_leader (struct target target, struct target_thread tthread)

int	os_linux_signal_enqueue (struct target target, struct target_thread tthread, int signo, void *data)

const char *	os_linux_signal_to_name (struct target *target, int signo)

int	os_linux_signal_from_name (struct target target, const char name)

int	os_linux_syscall_table_load (struct target *target)

int	os_linux_syscall_table_unload (struct target *target)

GHashTable *	os_linux_syscall_table_get (struct target *target)

struct target_os_syscall *	os_linux_syscall_lookup_name (struct target target, char name)

struct target_os_syscall *	os_linux_syscall_lookup_num (struct target *target, int num)

struct target_os_syscall *	os_linux_syscall_lookup_addr (struct target *target, ADDR addr)

struct probe *	os_linux_syscall_probe (struct target target, tid_t tid, struct target_os_syscall syscall, probe_handler_t pre_handler, probe_handler_t post_handler, void *handler_data)

struct probe *	os_linux_syscall_probe_all (struct target target, tid_t tid, probe_handler_t pre_handler, probe_handler_t post_handler, void handler_data)

num_t	os_linux_get_preempt_count (struct target *target)

ADDR	os_linux_current_thread_ptr (struct target *target, REGVAL kernel_esp)

struct symbol *	os_linux_get_task_struct_type (struct target *target)

struct symbol *	os_linux_get_task_struct_type_ptr (struct target *target)

struct value *	os_linux_load_current_thread_as_type (struct target target, struct symbol datatype, REGVAL kernel_esp)

int	os_linux_get_task_pid (struct target target, struct value task)

struct value *	os_linux_get_task (struct target *target, tid_t tid)

char *	os_linux_d_path (struct target target, struct value dentry, struct value vfsmnt, struct value root_dentry, struct value root_vfsmnt, char buf, int buflen)

char *	os_linux_file_get_path (struct target target, struct value task, struct value file, char ibuf, int buflen)

int	os_linux_list_for_each_struct (struct target t, struct bsymbol bsymbol, char list_head_member_name, int nofree, os_linux_list_iterator_t iterator, void data)

int	os_linux_list_for_each_entry (struct target t, struct bsymbol btype, struct bsymbol list_head, char list_head_member_name, int nofree, os_linux_list_iterator_t iterator, void *data)

struct array_list *	os_linux_list_available_tids (struct target *target)

int	os_linux_load_available_threads (struct target *target, int force)

struct target_thread *	os_linux_load_thread (struct target *target, tid_t tid, int force)

void	os_linux_free_thread_state (struct target target, void state)

int	os_linux_flush_current_thread (struct target *target)

int	os_linux_flush_thread (struct target *target, tid_t tid)

int	os_linux_invalidate_thread (struct target target, struct target_thread tthread)

int	os_linux_thread_snprintf (struct target target, struct target_thread tthread, char buf, int bufsiz, int detail, char sep, char *kvsep)

result_t	os_linux_active_memory_handler (struct probe probe, tid_t tid, void handler_data, struct probe trigger, struct probe base)

result_t	os_linux_active_thread_entry_handler (struct probe probe, tid_t tid, void handler_data, struct probe trigger, struct probe base)

result_t	os_linux_active_thread_exit_handler (struct probe probe, tid_t tid, void handler_data, struct probe trigger, struct probe base)

GHashTable *	os_linux_processes_load (struct target *target)

struct target_process *	os_linux_process_load (struct target target, struct target_thread tthread)

int	os_linux_set_active_probing (struct target *target, active_probe_flags_t flags)

int	os_linux_thread_singlestep (struct target target, tid_t tid, int isbp, struct target overlay, int force_emulate)

int	os_linux_thread_singlestep_end (struct target target, tid_t tid, struct target overlay, int force_emulate)

void	os_linux_generic_register (void)

Variables
struct probe_ops	os_linux_syscall_ret_probe_ops

struct probe_ops	os_linux_global_syscall_ret_probe_ops

struct target_personality_ops	os_linux_generic_personality_ops

struct target_os_ops	os_linux_generic_os_ops

Macro Definition Documentation

#define _LINUX_IS_ERR ( x ) unlikely((x) >= (REGVAL)-_LINUX_MAX_ERRNO)

Definition at line 7991 of file target_os_linux_generic.c.

#define _LINUX_MAX_ERRNO 4095

Definition at line 7990 of file target_os_linux_generic.c.

#define DCACHE_AUTOFS_PENDING 0x0001

Definition at line 3460 of file target_os_linux_generic.c.

#define DCACHE_DISCONNECTED 0x0004

Definition at line 3462 of file target_os_linux_generic.c.

#define DCACHE_INOTIFY_PARENT_WATCHED 0x0020

Definition at line 3465 of file target_os_linux_generic.c.

#define DCACHE_NFSFS_RENAMED 0x0002

Definition at line 3461 of file target_os_linux_generic.c.

#define DCACHE_REFERENCED 0x0008

Definition at line 3463 of file target_os_linux_generic.c.

#define DCACHE_UNHASHED 0x0010

Definition at line 3464 of file target_os_linux_generic.c.

#define LOCAL_TIF_SIGPENDING (1UL << 2)

#define SYSCALL_GLOBAL_ENTRY_PROBE "os_linux_syscall_entry_probe"

Definition at line 2619 of file target_os_linux_generic.c.

#define SYSCALL_GLOBAL_RET_PROBE "os_linux_syscall_ret_probe"

Definition at line 2620 of file target_os_linux_generic.c.

Function Documentation

result_t os_linux_active_memory_handler	(	struct probe *	probe,
		tid_t	tid,
		void *	handler_data,
		struct probe *	trigger,
		struct probe *	base
	)

Definition at line 7749 of file target_os_linux_generic.c.

result_t os_linux_active_thread_entry_handler	(	struct probe *	probe,
		tid_t	tid,
		void *	handler_data,
		struct probe *	trigger,
		struct probe *	base
	)

Definition at line 7993 of file target_os_linux_generic.c.

result_t os_linux_active_thread_exit_handler	(	struct probe *	probe,
		tid_t	tid,
		void *	handler_data,
		struct probe *	trigger,
		struct probe *	base
	)

Definition at line 8103 of file target_os_linux_generic.c.

int os_linux_attach ( struct target * target )

Definition at line 58 of file target_os_linux_generic.c.

ADDR os_linux_current_thread_ptr	(	struct target *	target,
		REGVAL	kernel_esp
	)

Definition at line 3204 of file target_os_linux_generic.c.

char* os_linux_d_path	(	struct target *	target,
		struct value *	dentry,
		struct value *	vfsmnt,
		struct value *	root_dentry,
		struct value *	root_vfsmnt,
		char *	buf,
		int	buflen
	)

Definition at line 3471 of file target_os_linux_generic.c.

result_t os_linux_debug_handler	(	struct probe *	probe,
		tid_t	tid,
		void *	handler_data,
		struct probe *	trigger,
		struct probe *	base
	)

Definition at line 1634 of file target_os_linux_generic.c.

char* os_linux_file_get_path	(	struct target *	target,
		struct value *	task,
		struct value *	file,
		char *	ibuf,
		int	buflen
	)

Definition at line 3687 of file target_os_linux_generic.c.

int os_linux_fini ( struct target * target )

Definition at line 431 of file target_os_linux_generic.c.

int os_linux_flush_current_thread ( struct target * target )

WARNING: esp and ss may not be valid if the sleeping thread was interrupted while it was in the kernel, because the interrupt gate does not push ss and esp; see include/asm-i386/processor.h .

Definition at line 6224 of file target_os_linux_generic.c.

int os_linux_flush_thread	(	struct target *	target,
		tid_t	tid
	)

WARNING: esp and ss may not be valid if the sleeping thread was interrupted while it was in the kernel, because the interrupt gate does not push ss and esp; see include/asm-i386/processor.h .

XXX: what the heck?? memset(&ltstate->context,0,sizeof(vcpu_guest_context_t)); ltstate->context.user_regs.eip = ltstate->eip; ltstate->context.user_regs.esp = ltstate->esp; ltstate->context.user_regs.fs = ltstate->fs; ltstate->context.user_regs.gs = ltstate->gs;

Definition at line 6503 of file target_os_linux_generic.c.

void os_linux_free_thread_state	(	struct target *	target,
		void *	state
	)

Definition at line 5136 of file target_os_linux_generic.c.

void os_linux_generic_register ( void )

Globals.

Definition at line 9476 of file target_os_linux_generic.c.

num_t os_linux_get_preempt_count ( struct target * target )

Definition at line 3101 of file target_os_linux_generic.c.

struct value* os_linux_get_task	(	struct target *	target,
		tid_t	tid
	)

Definition at line 3438 of file target_os_linux_generic.c.

int os_linux_get_task_pid	(	struct target *	target,
		struct value *	task
	)

Definition at line 3390 of file target_os_linux_generic.c.

struct symbol* os_linux_get_task_struct_type ( struct target * target )

Definition at line 3285 of file target_os_linux_generic.c.

struct symbol* os_linux_get_task_struct_type_ptr ( struct target * target )

Definition at line 3299 of file target_os_linux_generic.c.

int os_linux_handle_exception ( struct target * target )

Definition at line 1755 of file target_os_linux_generic.c.

result_t os_linux_int3_handler	(	struct probe *	probe,
		tid_t	tid,
		void *	handler_data,
		struct probe *	trigger,
		struct probe *	base
	)

Definition at line 1495 of file target_os_linux_generic.c.

int os_linux_invalidate_thread	(	struct target *	target,
		struct target_thread *	tthread
	)

Definition at line 7086 of file target_os_linux_generic.c.

struct array_list* os_linux_list_available_tids ( struct target * target )

Definition at line 3988 of file target_os_linux_generic.c.

int os_linux_list_for_each_entry	(	struct target *	t,
		struct bsymbol *	btype,
		struct bsymbol *	list_head,
		char *	list_head_member_name,
		int	nofree,
		os_linux_list_iterator_t	iterator,
		void *	data
	)

Definition at line 3877 of file target_os_linux_generic.c.

int os_linux_list_for_each_struct	(	struct target *	t,
		struct bsymbol *	bsymbol,
		char *	list_head_member_name,
		int	nofree,
		os_linux_list_iterator_t	iterator,
		void *	data
	)

Definition at line 3770 of file target_os_linux_generic.c.

int os_linux_load_available_threads	(	struct target *	target,
		int	force
	)

Definition at line 4050 of file target_os_linux_generic.c.

struct target_thread * os_linux_load_current_thread	(	struct target *	target,
		int	force
	)

WARNING: esp and ss may not be valid if the sleeping thread was interrupted while it was in the kernel, because the interrupt gate does not push ss and esp; see include/asm-i386/processor.h .

(SOFTIRQ_COUNT(preempt_count) || HARDIRQ_COUNT(preempt_count))) {

Definition at line 4291 of file target_os_linux_generic.c.

struct value* os_linux_load_current_thread_as_type	(	struct target *	target,
		struct symbol *	datatype,
		REGVAL	kernel_esp
	)

Definition at line 3372 of file target_os_linux_generic.c.

struct target_thread* os_linux_load_thread	(	struct target *	target,
		tid_t	tid,
		int	force
	)

Definition at line 4099 of file target_os_linux_generic.c.

struct target_thread * os_linux_load_thread_from_value	(	struct target *	target,
		struct value *	taskv
	)

Prototypes.

WARNING: esp and ss may not be valid if the sleeping thread was interrupted while it was in the kernel, because the interrupt gate does not push ss and esp; see include/asm-i386/processor.h .

Definition at line 5166 of file target_os_linux_generic.c.

int os_linux_postloadinit ( struct target * target )

Definition at line 500 of file target_os_linux_generic.c.

int os_linux_postopened ( struct target * target )

Definition at line 1208 of file target_os_linux_generic.c.

struct target_process* os_linux_process_load	(	struct target *	target,
		struct target_thread *	tthread
	)

Definition at line 8821 of file target_os_linux_generic.c.

GHashTable* os_linux_processes_load ( struct target * target )

Definition at line 8817 of file target_os_linux_generic.c.

int os_linux_set_active_probing	(	struct target *	target,
		active_probe_flags_t	flags
	)

Definition at line 8960 of file target_os_linux_generic.c.

int os_linux_signal_enqueue	(	struct target *	target,
		struct target_thread *	tthread,
		int	signo,
		void *	data
	)

Definition at line 2038 of file target_os_linux_generic.c.

int os_linux_signal_from_name	(	struct target *	target,
		const char *	name
	)

Definition at line 2221 of file target_os_linux_generic.c.

const char* os_linux_signal_to_name	(	struct target *	target,
		int	signo
	)

Definition at line 2209 of file target_os_linux_generic.c.

struct target_os_syscall* os_linux_syscall_lookup_addr	(	struct target *	target,
		ADDR	addr
	)

Definition at line 2479 of file target_os_linux_generic.c.

struct target_os_syscall* os_linux_syscall_lookup_name	(	struct target *	target,
		char *	name
	)

Definition at line 2446 of file target_os_linux_generic.c.

struct target_os_syscall* os_linux_syscall_lookup_num	(	struct target *	target,
		int	num
	)

Definition at line 2462 of file target_os_linux_generic.c.

struct probe* os_linux_syscall_probe	(	struct target *	target,
		tid_t	tid,
		struct target_os_syscall *	syscall,
		probe_handler_t	pre_handler,
		probe_handler_t	post_handler,
		void *	handler_data
	)

Definition at line 3027 of file target_os_linux_generic.c.

struct probe* os_linux_syscall_probe_all	(	struct target *	target,
		tid_t	tid,
		probe_handler_t	pre_handler,
		probe_handler_t	post_handler,
		void *	handler_data
	)

Definition at line 3073 of file target_os_linux_generic.c.

GHashTable* os_linux_syscall_table_get ( struct target * target )

Definition at line 2442 of file target_os_linux_generic.c.

int os_linux_syscall_table_load ( struct target * target )

Definition at line 2297 of file target_os_linux_generic.c.

int os_linux_syscall_table_unload ( struct target * target )

Definition at line 2400 of file target_os_linux_generic.c.

struct target_thread* os_linux_thread_get_leader	(	struct target *	target,
		struct target_thread *	tthread
	)

Definition at line 1972 of file target_os_linux_generic.c.

int os_linux_thread_get_pgd_phys	(	struct target *	target,
		struct target_thread *	tthread,
		ADDR *	pgdp
	)

Definition at line 1953 of file target_os_linux_generic.c.

int os_linux_thread_is_user	(	struct target *	target,
		struct target_thread *	tthread
	)

Definition at line 1961 of file target_os_linux_generic.c.

int os_linux_thread_singlestep	(	struct target *	target,
		tid_t	tid,
		int	isbp,
		struct target *	overlay,
		int	force_emulate
	)

Definition at line 9327 of file target_os_linux_generic.c.

int os_linux_thread_singlestep_end	(	struct target *	target,
		tid_t	tid,
		struct target *	overlay,
		int	force_emulate
	)

Definition at line 9371 of file target_os_linux_generic.c.

int os_linux_thread_snprintf	(	struct target *	target,
		struct target_thread *	tthread,
		char *	buf,
		int	bufsiz,
		int	detail,
		char *	sep,
		char *	kvsep
	)

Definition at line 7114 of file target_os_linux_generic.c.

target_os_type_t os_linux_type ( struct target * target )

Definition at line 1831 of file target_os_linux_generic.c.

uint64_t os_linux_version ( struct target * target )

Definition at line 1842 of file target_os_linux_generic.c.

int os_linux_version_cmp	(	struct target *	target,
		uint64_t	vers
	)

Definition at line 1935 of file target_os_linux_generic.c.

char* os_linux_version_string ( struct target * target )

Definition at line 1948 of file target_os_linux_generic.c.

Variable Documentation

struct target_os_ops os_linux_generic_os_ops

Definition at line 9442 of file target_os_linux_generic.c.

struct target_personality_ops os_linux_generic_personality_ops

Initial value:

= {
    .attach = os_linux_attach,
    .init = NULL,
    .fini = os_linux_fini,
    .postloadinit = os_linux_postloadinit,
    .postopened = os_linux_postopened,
    .set_active_probing = os_linux_set_active_probing,
    .free_thread_state = os_linux_free_thread_state,
    .list_available_tids = os_linux_list_available_tids,
    .load_thread = os_linux_load_thread,
    .load_current_thread = os_linux_load_current_thread,
    .load_available_threads = os_linux_load_available_threads,
    .flush_thread = os_linux_flush_thread,
    .flush_current_thread = os_linux_flush_current_thread,
    .invalidate_thread = os_linux_invalidate_thread,
    .thread_snprintf = os_linux_thread_snprintf,
    .readreg = target_regcache_readreg,
    .writereg = target_regcache_writereg,
    .copy_registers = target_regcache_copy_registers,
    .readreg_tidctxt = target_regcache_readreg_tidctxt,
    .writereg_tidctxt = target_regcache_writereg_tidctxt,
}

Definition at line 9414 of file target_os_linux_generic.c.

struct probe_ops os_linux_global_syscall_ret_probe_ops

Initial value:

= {
    .gettype = _os_linux_global_syscall_probe_gettype,
    .summarize = target_os_syscall_probe_summarize,
    .summarize_tid = target_os_syscall_probe_summarize_tid,
}

Definition at line 3066 of file target_os_linux_generic.c.

struct probe_ops os_linux_syscall_ret_probe_ops

Initial value:

= {
    .gettype = _os_linux_syscall_probe_gettype,
    .summarize = target_os_syscall_probe_summarize,
    .summarize_tid = target_os_syscall_probe_summarize_tid,
    .get_value_table = probe_value_get_table_function_ee,
    .get_raw_value_table = probe_value_get_raw_table_function_ee,
    .get_last_value_table = probe_value_get_last_table_function_ee,
    .get_last_raw_value_table = probe_value_get_last_raw_table_function_ee,
    .get_value = probe_value_get_function_ee,
    .get_raw_value = probe_value_get_raw_function_ee,
    .get_last_value = probe_value_get_last_function_ee,
    .get_last_raw_value = probe_value_get_last_raw_function_ee,
    .values_notify_phase = probe_value_notify_phase_function_ee,
    .values_free = probe_values_free_stacked,
}

Definition at line 3009 of file target_os_linux_generic.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation