compat_wrapper.s

linux 内核源代码

	llgtr	%r4,%r4			# void *
	llgfr	%r5,%r5			# size_t
	jg	sys_lgetxattr

	.globl	sys32_fgetxattr_wrapper
sys32_fgetxattr_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# void *
	llgfr	%r5,%r5			# size_t
	jg	sys_fgetxattr

	.globl	sys32_listxattr_wrapper
sys32_listxattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	llgfr	%r4,%r4			# size_t
	jg	sys_listxattr

	.globl	sys32_llistxattr_wrapper
sys32_llistxattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	llgfr	%r4,%r4			# size_t
	jg	sys_llistxattr

	.globl	sys32_flistxattr_wrapper
sys32_flistxattr_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# char *
	llgfr	%r4,%r4			# size_t
	jg	sys_flistxattr

	.globl	sys32_removexattr_wrapper
sys32_removexattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	jg	sys_removexattr

	.globl	sys32_lremovexattr_wrapper
sys32_lremovexattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	jg	sys_lremovexattr

	.globl	sys32_fremovexattr_wrapper
sys32_fremovexattr_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# char *
	jg	sys_fremovexattr

	.globl	sys32_sched_setaffinity_wrapper
sys32_sched_setaffinity_wrapper:
	lgfr	%r2,%r2			# int
	llgfr	%r3,%r3			# unsigned int
	llgtr	%r4,%r4			# unsigned long *
	jg	compat_sys_sched_setaffinity

	.globl	sys32_sched_getaffinity_wrapper
sys32_sched_getaffinity_wrapper:
	lgfr	%r2,%r2			# int
	llgfr	%r3,%r3			# unsigned int
	llgtr	%r4,%r4			# unsigned long *
	jg	compat_sys_sched_getaffinity

	.globl	sys32_exit_group_wrapper
sys32_exit_group_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_exit_group		# branch to system call

	.globl	sys32_set_tid_address_wrapper
sys32_set_tid_address_wrapper:
	llgtr	%r2,%r2			# int *
	jg	sys_set_tid_address	# branch to system call

	.globl	sys_epoll_create_wrapper
sys_epoll_create_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_epoll_create	# branch to system call

	.globl	sys_epoll_ctl_wrapper
sys_epoll_ctl_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	lgfr	%r4,%r4			# int
	llgtr	%r5,%r5			# struct epoll_event *
	jg	sys_epoll_ctl		# branch to system call

	.globl	sys_epoll_wait_wrapper
sys_epoll_wait_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# struct epoll_event *
	lgfr	%r4,%r4			# int
	lgfr	%r5,%r5			# int
	jg	sys_epoll_wait		# branch to system call

	.globl	sys32_lookup_dcookie_wrapper
sys32_lookup_dcookie_wrapper:
	sllg	%r2,%r2,32		# get high word of 64bit dcookie
	or	%r2,%r3			# get low word of 64bit dcookie
	llgtr	%r3,%r4			# char *
	llgfr	%r4,%r5			# size_t
	jg	sys_lookup_dcookie

	.globl	sys32_fadvise64_wrapper
sys32_fadvise64_wrapper:
	lgfr	%r2,%r2			# int
	sllg	%r3,%r3,32		# get high word of 64bit loff_t
	or	%r3,%r4			# get low word of 64bit loff_t
	llgfr	%r4,%r5			# size_t (unsigned long)
	lgfr	%r5,%r6			# int
	jg	sys32_fadvise64

	.globl	sys32_fadvise64_64_wrapper
sys32_fadvise64_64_wrapper:
	llgtr	%r2,%r2			# struct fadvise64_64_args *
	jg	sys32_fadvise64_64

	.globl	sys32_clock_settime_wrapper
sys32_clock_settime_wrapper:
	lgfr	%r2,%r2			# clockid_t (int)
	llgtr	%r3,%r3			# struct compat_timespec *
	jg	compat_sys_clock_settime

	.globl	sys32_clock_gettime_wrapper
sys32_clock_gettime_wrapper:
	lgfr	%r2,%r2			# clockid_t (int)
	llgtr	%r3,%r3			# struct compat_timespec *
	jg	compat_sys_clock_gettime

	.globl	sys32_clock_getres_wrapper
sys32_clock_getres_wrapper:
	lgfr	%r2,%r2			# clockid_t (int)
	llgtr	%r3,%r3			# struct compat_timespec *
	jg	compat_sys_clock_getres

	.globl	sys32_clock_nanosleep_wrapper
sys32_clock_nanosleep_wrapper:
	lgfr	%r2,%r2			# clockid_t (int)
	lgfr	%r3,%r3			# int
	llgtr	%r4,%r4			# struct compat_timespec *
	llgtr	%r5,%r5			# struct compat_timespec *
	jg	compat_sys_clock_nanosleep

	.globl	sys32_timer_create_wrapper
sys32_timer_create_wrapper:
	lgfr	%r2,%r2			# timer_t (int)
	llgtr	%r3,%r3			# struct compat_sigevent *
	llgtr	%r4,%r4			# timer_t *
	jg	compat_sys_timer_create

	.globl	sys32_timer_settime_wrapper
sys32_timer_settime_wrapper:
	lgfr	%r2,%r2			# timer_t (int)
	lgfr	%r3,%r3			# int
	llgtr	%r4,%r4			# struct compat_itimerspec *
	llgtr	%r5,%r5			# struct compat_itimerspec *
	jg	compat_sys_timer_settime

	.globl	sys32_timer_gettime_wrapper
sys32_timer_gettime_wrapper:
	lgfr	%r2,%r2			# timer_t (int)
	llgtr	%r3,%r3			# struct compat_itimerspec *
	jg	compat_sys_timer_gettime

	.globl	sys32_timer_getoverrun_wrapper
sys32_timer_getoverrun_wrapper:
	lgfr	%r2,%r2			# timer_t (int)
	jg	sys_timer_getoverrun

	.globl	sys32_timer_delete_wrapper
sys32_timer_delete_wrapper:
	lgfr	%r2,%r2			# timer_t (int)
	jg	sys_timer_delete

	.globl	sys32_io_setup_wrapper
sys32_io_setup_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# u32 *
	jg	compat_sys_io_setup

	.globl	sys32_io_destroy_wrapper
sys32_io_destroy_wrapper:
	llgfr	%r2,%r2			# (aio_context_t) u32
	jg	sys_io_destroy

	.globl	sys32_io_getevents_wrapper
sys32_io_getevents_wrapper:
	llgfr	%r2,%r2			# (aio_context_t) u32
	lgfr	%r3,%r3			# long
	lgfr	%r4,%r4			# long
	llgtr	%r5,%r5			# struct io_event *
	llgtr	%r6,%r6			# struct compat_timespec *
	jg	compat_sys_io_getevents

	.globl	sys32_io_submit_wrapper
sys32_io_submit_wrapper:
	llgfr	%r2,%r2			# (aio_context_t) u32
	lgfr	%r3,%r3			# long
	llgtr	%r4,%r4			# struct iocb **
	jg	compat_sys_io_submit

	.globl	sys32_io_cancel_wrapper
sys32_io_cancel_wrapper:
	llgfr	%r2,%r2			# (aio_context_t) u32
	llgtr	%r3,%r3			# struct iocb *
	llgtr	%r4,%r4			# struct io_event *
	jg	sys_io_cancel

	.globl compat_sys_statfs64_wrapper
compat_sys_statfs64_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# compat_size_t
	llgtr	%r4,%r4			# struct compat_statfs64 *
	jg	compat_sys_statfs64

	.globl compat_sys_fstatfs64_wrapper
compat_sys_fstatfs64_wrapper:
	llgfr	%r2,%r2			# unsigned int fd
	llgfr	%r3,%r3			# compat_size_t
	llgtr	%r4,%r4			# struct compat_statfs64 *
	jg	compat_sys_fstatfs64

	.globl	compat_sys_mq_open_wrapper
compat_sys_mq_open_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	llgfr	%r4,%r4			# mode_t
	llgtr	%r5,%r5			# struct compat_mq_attr *
	jg	compat_sys_mq_open

	.globl	sys32_mq_unlink_wrapper
sys32_mq_unlink_wrapper:
	llgtr	%r2,%r2			# const char *
	jg	sys_mq_unlink

	.globl	compat_sys_mq_timedsend_wrapper
compat_sys_mq_timedsend_wrapper:
	lgfr	%r2,%r2			# mqd_t
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# size_t
	llgfr	%r5,%r5			# unsigned int
	llgtr	%r6,%r6			# const struct compat_timespec *
	jg	compat_sys_mq_timedsend

	.globl	compat_sys_mq_timedreceive_wrapper
compat_sys_mq_timedreceive_wrapper:
	lgfr	%r2,%r2			# mqd_t
	llgtr	%r3,%r3			# char *
	llgfr	%r4,%r4			# size_t
	llgtr	%r5,%r5			# unsigned int *
	llgtr	%r6,%r6			# const struct compat_timespec *
	jg	compat_sys_mq_timedreceive

	.globl	compat_sys_mq_notify_wrapper
compat_sys_mq_notify_wrapper:
	lgfr	%r2,%r2			# mqd_t
	llgtr	%r3,%r3			# struct compat_sigevent *
	jg	compat_sys_mq_notify

	.globl	compat_sys_mq_getsetattr_wrapper
compat_sys_mq_getsetattr_wrapper:
	lgfr	%r2,%r2			# mqd_t
	llgtr	%r3,%r3			# struct compat_mq_attr *
	llgtr	%r4,%r4			# struct compat_mq_attr *
	jg	compat_sys_mq_getsetattr

	.globl	compat_sys_add_key_wrapper
compat_sys_add_key_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# const char *
	llgtr	%r4,%r4			# const void *
	llgfr	%r5,%r5			# size_t
	llgfr	%r6,%r6			# (key_serial_t) u32
	jg	sys_add_key

	.globl	compat_sys_request_key_wrapper
compat_sys_request_key_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# const char *
	llgtr	%r4,%r4			# const void *
	llgfr	%r5,%r5			# (key_serial_t) u32
	jg	sys_request_key

	.globl	sys32_remap_file_pages_wrapper
sys32_remap_file_pages_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# unsigned long
	llgfr	%r4,%r4			# unsigned long
	llgfr	%r5,%r5			# unsigned long
	llgfr	%r6,%r6			# unsigned long
	jg	sys_remap_file_pages

	.globl	compat_sys_waitid_wrapper
compat_sys_waitid_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# pid_t
	llgtr	%r4,%r4			# siginfo_emu31_t *
	lgfr	%r5,%r5			# int
	llgtr	%r6,%r6			# struct rusage_emu31 *
	jg	compat_sys_waitid

	.globl	compat_sys_kexec_load_wrapper
compat_sys_kexec_load_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# unsigned long
	llgtr	%r4,%r4			# struct kexec_segment *
	llgfr	%r5,%r5			# unsigned long
	jg	compat_sys_kexec_load

	.globl	sys_ioprio_set_wrapper
sys_ioprio_set_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	lgfr	%r4,%r4			# int
	jg	sys_ioprio_set

	.globl	sys_ioprio_get_wrapper
sys_ioprio_get_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	jg	sys_ioprio_get

	.globl	sys_inotify_add_watch_wrapper
sys_inotify_add_watch_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# u32
	jg	sys_inotify_add_watch

	.globl	sys_inotify_rm_watch_wrapper
sys_inotify_rm_watch_wrapper:
	lgfr	%r2,%r2			# int
	llgfr	%r3,%r3			# u32
	jg	sys_inotify_rm_watch

	.globl compat_sys_openat_wrapper
compat_sys_openat_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	lgfr	%r5,%r5			# int
	jg	compat_sys_openat

	.globl sys_mkdirat_wrapper
sys_mkdirat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	jg	sys_mkdirat

	.globl sys_mknodat_wrapper
sys_mknodat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	llgfr	%r5,%r5			# unsigned int
	jg	sys_mknodat

	.globl sys_fchownat_wrapper
sys_fchownat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# uid_t
	llgfr	%r5,%r5			# gid_t
	lgfr	%r6,%r6			# int
	jg	sys_fchownat

	.globl compat_sys_futimesat_wrapper
compat_sys_futimesat_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# struct timeval *
	jg	compat_sys_futimesat

	.globl sys32_fstatat64_wrapper
sys32_fstatat64_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# struct stat64 *
	lgfr	%r5,%r5			# int
	jg	sys32_fstatat64

	.globl sys_unlinkat_wrapper
sys_unlinkat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	jg	sys_unlinkat

	.globl sys_renameat_wrapper
sys_renameat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	llgtr	%r5,%r5			# const char *
	jg	sys_renameat

	.globl sys_linkat_wrapper
sys_linkat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	llgtr	%r5,%r5			# const char *
	lgfr	%r6,%r6			# int
	jg	sys_linkat

	.globl sys_symlinkat_wrapper
sys_symlinkat_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	llgtr	%r4,%r4			# const char *
	jg	sys_symlinkat

	.globl sys_readlinkat_wrapper
sys_readlinkat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	llgtr	%r4,%r4			# char *
	lgfr	%r5,%r5			# int
	jg	sys_readlinkat

	.globl sys_fchmodat_wrapper
sys_fchmodat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# mode_t
	jg	sys_fchmodat

	.globl sys_faccessat_wrapper
sys_faccessat_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const char *
	lgfr	%r4,%r4			# int
	jg	sys_faccessat

	.globl compat_sys_pselect6_wrapper
compat_sys_pselect6_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# fd_set *
	llgtr	%r4,%r4			# fd_set *
	llgtr	%r5,%r5			# fd_set *
	llgtr	%r6,%r6			# struct timespec *
	llgt	%r0,164(%r15)		# void *
	stg	%r0,160(%r15)
	jg	compat_sys_pselect6

	.globl compat_sys_ppoll_wrapper
compat_sys_ppoll_wrapper:
	llgtr	%r2,%r2			# struct pollfd *
	llgfr	%r3,%r3			# unsigned int
	llgtr	%r4,%r4			# struct timespec *
	llgtr	%r5,%r5			# const sigset_t *
	llgfr	%r6,%r6			# size_t
	jg	compat_sys_ppoll

	.globl sys_unshare_wrapper
sys_unshare_wrapper:
	llgfr	%r2,%r2			# unsigned long
	jg	sys_unshare

	.globl compat_sys_set_robust_list_wrapper
compat_sys_set_robust_list_wrapper:
	llgtr	%r2,%r2			# struct compat_robust_list_head *
	llgfr	%r3,%r3			# size_t
	jg	compat_sys_set_robust_list

	.globl compat_sys_get_robust_list_wrapper
compat_sys_get_robust_list_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# compat_uptr_t_t *
	llgtr	%r4,%r4			# compat_size_t *
	jg	compat_sys_get_robust_list

	.globl sys_splice_wrapper
sys_splice_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# loff_t *
	lgfr	%r4,%r4			# int
	llgtr	%r5,%r5			# loff_t *
	llgfr	%r6,%r6			# size_t
	llgf	%r0,164(%r15)		# unsigned int
	stg	%r0,160(%r15)
	jg	sys_splice

	.globl	sys_sync_file_range_wrapper
sys_sync_file_range_wrapper:
	lgfr	%r2,%r2			# int
	sllg	%r3,%r3,32		# get high word of 64bit loff_t
	or	%r3,%r4			# get low word of 64bit loff_t
	sllg	%r4,%r5,32		# get high word of 64bit loff_t
	or	%r4,%r6			# get low word of 64bit loff_t
	llgf	%r5,164(%r15)		# unsigned int
	jg	sys_sync_file_range

	.globl	sys_tee_wrapper
sys_tee_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	llgfr	%r4,%r4			# size_t
	llgfr	%r5,%r5			# unsigned int
	jg	sys_tee

	.globl compat_sys_vmsplice_wrapper
compat_sys_vmsplice_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# compat_iovec *
	llgfr	%r4,%r4			# unsigned int
	llgfr	%r5,%r5			# unsigned int
	jg	compat_sys_vmsplice

	.globl	sys_getcpu_wrapper
sys_getcpu_wrapper:
	llgtr	%r2,%r2			# unsigned *
	llgtr	%r3,%r3			# unsigned *
	llgtr	%r4,%r4			# struct getcpu_cache *
	jg	sys_getcpu

	.globl	compat_sys_epoll_pwait_wrapper
compat_sys_epoll_pwait_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# struct compat_epoll_event *
	lgfr	%r4,%r4			# int
	lgfr	%r5,%r5			# int
	llgtr	%r6,%r6			# compat_sigset_t *
	llgf	%r0,164(%r15)		# compat_size_t
	stg	%r0,160(%r15)
	jg	compat_sys_epoll_pwait

	.globl	compat_sys_utimes_wrapper
compat_sys_utimes_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct compat_timeval *
	jg	compat_sys_utimes

	.globl	compat_sys_utimensat_wrapper
compat_sys_utimensat_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# struct compat_timespec *
	lgfr	%r5,%r5			# int
	jg	compat_sys_utimensat

	.globl	compat_sys_signalfd_wrapper
compat_sys_signalfd_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# compat_sigset_t *
	llgfr	%r4,%r4			# compat_size_t
	jg	compat_sys_signalfd

	.globl	compat_sys_timerfd_wrapper
compat_sys_timerfd_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	lgfr	%r4,%r4			# int
	llgtr	%r5,%r5			# struct compat_itimerspec *
	jg	compat_sys_timerfd

	.globl	sys_eventfd_wrapper
sys_eventfd_wrapper:
	llgfr	%r2,%r2			# unsigned int
	jg	sys_eventfd

	.globl	sys_fallocate_wrapper
sys_fallocate_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	sllg	%r4,%r4,32		# get high word of 64bit loff_t
	lr	%r4,%r5			# get low word of 64bit loff_t
	sllg	%r5,%r6,32		# get high word of 64bit loff_t
	l	%r5,164(%r15)		# get low word of 64bit loff_t
	jg	sys_fallocate