compat_wrapper.s

linux 内核源代码

	llgfr	%r3,%r3			# unsigned long
	llgtr	%r4,%r4			# char *
	jg	sys32_init_module	# branch to system call

	.globl	sys32_delete_module_wrapper
sys32_delete_module_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# unsigned int
	jg	sys32_delete_module	# branch to system call

	.globl	sys32_quotactl_wrapper
sys32_quotactl_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# qid_t
	llgtr	%r5,%r5			# caddr_t
	jg	sys_quotactl		# branch to system call

	.globl	sys32_getpgid_wrapper
sys32_getpgid_wrapper:
	lgfr	%r2,%r2			# pid_t
	jg	sys_getpgid		# branch to system call

	.globl	sys32_fchdir_wrapper
sys32_fchdir_wrapper:
	llgfr	%r2,%r2			# unsigned int
	jg	sys_fchdir		# branch to system call

	.globl	sys32_bdflush_wrapper
sys32_bdflush_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# long
	jg	sys_bdflush		# branch to system call

	.globl	sys32_sysfs_wrapper
sys32_sysfs_wrapper:
	lgfr	%r2,%r2			# int
	llgfr	%r3,%r3			# unsigned long
	llgfr	%r4,%r4			# unsigned long
	jg	sys_sysfs		# branch to system call

	.globl	sys32_personality_wrapper
sys32_personality_wrapper:
	llgfr	%r2,%r2			# unsigned long
	jg	s390x_personality	# branch to system call

	.globl	sys32_setfsuid16_wrapper
sys32_setfsuid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_uid_emu31_t
	jg	sys32_setfsuid16	# branch to system call

	.globl	sys32_setfsgid16_wrapper
sys32_setfsgid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_gid_emu31_t
	jg	sys32_setfsgid16	# branch to system call

	.globl	sys32_llseek_wrapper
sys32_llseek_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned long
	llgfr	%r4,%r4			# unsigned long
	llgtr	%r5,%r5			# loff_t *
	llgfr	%r6,%r6			# unsigned int
	jg	sys_llseek		# branch to system call

	.globl	sys32_getdents_wrapper
sys32_getdents_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# void *
	llgfr	%r4,%r4			# unsigned int
	jg	compat_sys_getdents	# branch to system call

	.globl	compat_sys_select_wrapper
compat_sys_select_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# compat_fd_set *
	llgtr	%r4,%r4			# compat_fd_set *
	llgtr	%r5,%r5			# compat_fd_set *
	llgtr	%r6,%r6			# struct compat_timeval *
	jg	compat_sys_select	# branch to system call

	.globl	sys32_flock_wrapper
sys32_flock_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned int
	jg	sys_flock		# branch to system call

	.globl	sys32_msync_wrapper
sys32_msync_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# size_t
	lgfr	%r4,%r4			# int
	jg	sys_msync		# branch to system call

	.globl	compat_sys_readv_wrapper
compat_sys_readv_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const struct compat_iovec *
	llgfr	%r4,%r4			# unsigned long
	jg	compat_sys_readv	# branch to system call

	.globl	compat_sys_writev_wrapper
compat_sys_writev_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const struct compat_iovec *
	llgfr	%r4,%r4			# unsigned long
	jg	compat_sys_writev	# branch to system call

	.globl	sys32_getsid_wrapper
sys32_getsid_wrapper:
	lgfr	%r2,%r2			# pid_t
	jg	sys_getsid		# branch to system call

	.globl	sys32_fdatasync_wrapper
sys32_fdatasync_wrapper:
	llgfr	%r2,%r2			# unsigned int
	jg	sys_fdatasync		# branch to system call

#sys32_sysctl_wrapper			# tbd

	.globl	sys32_mlock_wrapper
sys32_mlock_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# size_t
	jg	sys_mlock		# branch to system call

	.globl	sys32_munlock_wrapper
sys32_munlock_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# size_t
	jg	sys_munlock		# branch to system call

	.globl	sys32_mlockall_wrapper
sys32_mlockall_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_mlockall		# branch to system call

#sys32_munlockall_wrapper		# void

	.globl	sys32_sched_setparam_wrapper
sys32_sched_setparam_wrapper:
	lgfr	%r2,%r2			# pid_t
	llgtr	%r3,%r3			# struct sched_param *
	jg	sys_sched_setparam	# branch to system call

	.globl	sys32_sched_getparam_wrapper
sys32_sched_getparam_wrapper:
	lgfr	%r2,%r2			# pid_t
	llgtr	%r3,%r3			# struct sched_param *
	jg	sys_sched_getparam	# branch to system call

	.globl	sys32_sched_setscheduler_wrapper
sys32_sched_setscheduler_wrapper:
	lgfr	%r2,%r2			# pid_t
	lgfr	%r3,%r3			# int
	llgtr	%r4,%r4			# struct sched_param *
	jg	sys_sched_setscheduler	# branch to system call

	.globl	sys32_sched_getscheduler_wrapper
sys32_sched_getscheduler_wrapper:
	lgfr	%r2,%r2			# pid_t
	jg	sys_sched_getscheduler	# branch to system call

#sys32_sched_yield_wrapper		# void

	.globl	sys32_sched_get_priority_max_wrapper
sys32_sched_get_priority_max_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_sched_get_priority_max	# branch to system call

	.globl	sys32_sched_get_priority_min_wrapper
sys32_sched_get_priority_min_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_sched_get_priority_min	# branch to system call

	.globl	sys32_sched_rr_get_interval_wrapper
sys32_sched_rr_get_interval_wrapper:
	lgfr	%r2,%r2			# pid_t
	llgtr	%r3,%r3			# struct compat_timespec *
	jg	sys32_sched_rr_get_interval	# branch to system call

	.globl	compat_sys_nanosleep_wrapper
compat_sys_nanosleep_wrapper:
	llgtr	%r2,%r2			# struct compat_timespec *
	llgtr	%r3,%r3			# struct compat_timespec *
	jg	compat_sys_nanosleep		# branch to system call

	.globl	sys32_mremap_wrapper
sys32_mremap_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_mremap		# branch to system call

	.globl	sys32_setresuid16_wrapper
sys32_setresuid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_uid_emu31_t
	llgfr	%r3,%r3			# __kernel_old_uid_emu31_t
	llgfr	%r4,%r4			# __kernel_old_uid_emu31_t
	jg	sys32_setresuid16	# branch to system call

	.globl	sys32_getresuid16_wrapper
sys32_getresuid16_wrapper:
	llgtr	%r2,%r2			# __kernel_old_uid_emu31_t *
	llgtr	%r3,%r3			# __kernel_old_uid_emu31_t *
	llgtr	%r4,%r4			# __kernel_old_uid_emu31_t *
	jg	sys32_getresuid16	# branch to system call

	.globl	sys32_poll_wrapper
sys32_poll_wrapper:
	llgtr	%r2,%r2			# struct pollfd *
	llgfr	%r3,%r3			# unsigned int
	lgfr	%r4,%r4			# long
	jg	sys_poll		# branch to system call

	.globl	compat_sys_nfsservctl_wrapper
compat_sys_nfsservctl_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# struct compat_nfsctl_arg*
	llgtr	%r4,%r4			# union compat_nfsctl_res*
	jg	compat_sys_nfsservctl	# branch to system call

	.globl	sys32_setresgid16_wrapper
sys32_setresgid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_gid_emu31_t
	llgfr	%r3,%r3			# __kernel_old_gid_emu31_t
	llgfr	%r4,%r4			# __kernel_old_gid_emu31_t
	jg	sys32_setresgid16	# branch to system call

	.globl	sys32_getresgid16_wrapper
sys32_getresgid16_wrapper:
	llgtr	%r2,%r2			# __kernel_old_gid_emu31_t *
	llgtr	%r3,%r3			# __kernel_old_gid_emu31_t *
	llgtr	%r4,%r4			# __kernel_old_gid_emu31_t *
	jg	sys32_getresgid16	# branch to system call

	.globl	sys32_prctl_wrapper
sys32_prctl_wrapper:
	lgfr	%r2,%r2			# int
	llgfr	%r3,%r3			# unsigned long
	llgfr	%r4,%r4			# unsigned long
	llgfr	%r5,%r5			# unsigned long
	llgfr	%r6,%r6			# unsigned long
	jg	sys_prctl		# branch to system call

#sys32_rt_sigreturn_wrapper		# done in rt_sigreturn_glue

	.globl	sys32_rt_sigaction_wrapper
sys32_rt_sigaction_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# const struct sigaction_emu31 *
	llgtr	%r4,%r4			# const struct sigaction_emu31 *
	llgfr	%r5,%r5			# size_t
	jg	sys32_rt_sigaction	# branch to system call

	.globl	sys32_rt_sigprocmask_wrapper
sys32_rt_sigprocmask_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# old_sigset_emu31 *
	llgtr	%r4,%r4			# old_sigset_emu31 *
	llgfr	%r5,%r5			# size_t
	jg	sys32_rt_sigprocmask	# branch to system call

	.globl	sys32_rt_sigpending_wrapper
sys32_rt_sigpending_wrapper:
	llgtr	%r2,%r2			# sigset_emu31 *
	llgfr	%r3,%r3			# size_t
	jg	sys32_rt_sigpending	# branch to system call

	.globl	compat_sys_rt_sigtimedwait_wrapper
compat_sys_rt_sigtimedwait_wrapper:
	llgtr	%r2,%r2			# const sigset_emu31_t *
	llgtr	%r3,%r3			# siginfo_emu31_t *
	llgtr	%r4,%r4			# const struct compat_timespec *
	llgfr	%r5,%r5			# size_t
	jg	compat_sys_rt_sigtimedwait	# branch to system call

	.globl	sys32_rt_sigqueueinfo_wrapper
sys32_rt_sigqueueinfo_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	llgtr	%r4,%r4			# siginfo_emu31_t *
	jg	sys32_rt_sigqueueinfo	# branch to system call

	.globl compat_sys_rt_sigsuspend_wrapper
compat_sys_rt_sigsuspend_wrapper:
	llgtr	%r2,%r2			# compat_sigset_t *
	llgfr	%r3,%r3			# compat_size_t
	jg	compat_sys_rt_sigsuspend

	.globl	sys32_pread64_wrapper
sys32_pread64_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# char *
	llgfr	%r4,%r4			# size_t
	llgfr	%r5,%r5			# u32
	llgfr	%r6,%r6			# u32
	jg	sys32_pread64		# branch to system call

	.globl	sys32_pwrite64_wrapper
sys32_pwrite64_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# size_t
	llgfr	%r5,%r5			# u32
	llgfr	%r6,%r6			# u32
	jg	sys32_pwrite64		# branch to system call

	.globl	sys32_chown16_wrapper
sys32_chown16_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# __kernel_old_uid_emu31_t
	llgfr	%r4,%r4			# __kernel_old_gid_emu31_t
	jg	sys32_chown16		# branch to system call

	.globl	sys32_getcwd_wrapper
sys32_getcwd_wrapper:
	llgtr	%r2,%r2			# char *
	llgfr	%r3,%r3			# unsigned long
	jg	sys_getcwd		# branch to system call

	.globl	sys32_capget_wrapper
sys32_capget_wrapper:
	llgtr	%r2,%r2			# cap_user_header_t
	llgtr	%r3,%r3			# cap_user_data_t
	jg	sys_capget		# branch to system call

	.globl	sys32_capset_wrapper
sys32_capset_wrapper:
	llgtr	%r2,%r2			# cap_user_header_t
	llgtr	%r3,%r3			# const cap_user_data_t
	jg	sys_capset		# branch to system call

	.globl sys32_sigaltstack_wrapper
sys32_sigaltstack_wrapper:
	llgtr	%r2,%r2			# const stack_emu31_t *
	llgtr	%r3,%r3			# stack_emu31_t *
	jg	sys32_sigaltstack

	.globl	sys32_sendfile_wrapper
sys32_sendfile_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	llgtr	%r4,%r4			# __kernel_off_emu31_t *
	llgfr	%r5,%r5			# size_t
	jg	sys32_sendfile		# branch to system call

#sys32_vfork_wrapper			# done in vfork_glue

	.globl	sys32_truncate64_wrapper
sys32_truncate64_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# unsigned long
	llgfr	%r4,%r4			# unsigned long
	jg	sys32_truncate64	# branch to system call

	.globl	sys32_ftruncate64_wrapper
sys32_ftruncate64_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned long
	llgfr	%r4,%r4			# unsigned long
	jg	sys32_ftruncate64	# branch to system call

	.globl sys32_lchown_wrapper
sys32_lchown_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# uid_t
	llgfr	%r4,%r4			# gid_t
	jg	sys_lchown		# branch to system call

#sys32_getuid_wrapper			# void
#sys32_getgid_wrapper			# void
#sys32_geteuid_wrapper			# void
#sys32_getegid_wrapper			# void

	.globl sys32_setreuid_wrapper
sys32_setreuid_wrapper:
	llgfr	%r2,%r2			# uid_t
	llgfr	%r3,%r3			# uid_t
	jg	sys_setreuid		# branch to system call

	.globl sys32_setregid_wrapper
sys32_setregid_wrapper:
	llgfr	%r2,%r2			# gid_t
	llgfr	%r3,%r3			# gid_t
	jg	sys_setregid		# branch to system call

	.globl	sys32_getgroups_wrapper
sys32_getgroups_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# gid_t *
	jg	sys_getgroups		# branch to system call

	.globl	sys32_setgroups_wrapper
sys32_setgroups_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# gid_t *
	jg	sys_setgroups		# branch to system call

	.globl sys32_fchown_wrapper
sys32_fchown_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# uid_t
	llgfr	%r4,%r4			# gid_t
	jg	sys_fchown		# branch to system call

	.globl sys32_setresuid_wrapper
sys32_setresuid_wrapper:
	llgfr	%r2,%r2			# uid_t
	llgfr	%r3,%r3			# uid_t
	llgfr	%r4,%r4			# uid_t
	jg	sys_setresuid		# branch to system call

	.globl sys32_getresuid_wrapper
sys32_getresuid_wrapper:
	llgtr	%r2,%r2			# uid_t *
	llgtr	%r3,%r3			# uid_t *
	llgtr	%r4,%r4			# uid_t *
	jg	sys_getresuid		# branch to system call

	.globl sys32_setresgid_wrapper
sys32_setresgid_wrapper:
	llgfr	%r2,%r2			# gid_t
	llgfr	%r3,%r3			# gid_t
	llgfr	%r4,%r4			# gid_t
	jg	sys_setresgid		# branch to system call

	.globl sys32_getresgid_wrapper
sys32_getresgid_wrapper:
	llgtr	%r2,%r2			# gid_t *
	llgtr	%r3,%r3			# gid_t *
	llgtr	%r4,%r4			# gid_t *
	jg	sys_getresgid		# branch to system call

	.globl sys32_chown_wrapper
sys32_chown_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# uid_t
	llgfr	%r4,%r4			# gid_t
	jg	sys_chown		# branch to system call

	.globl sys32_setuid_wrapper
sys32_setuid_wrapper:
	llgfr	%r2,%r2			# uid_t
	jg	sys_setuid		# branch to system call

	.globl sys32_setgid_wrapper
sys32_setgid_wrapper:
	llgfr	%r2,%r2			# gid_t
	jg	sys_setgid		# branch to system call

	.globl sys32_setfsuid_wrapper
sys32_setfsuid_wrapper:
	llgfr	%r2,%r2			# uid_t
	jg	sys_setfsuid		# branch to system call

	.globl sys32_setfsgid_wrapper
sys32_setfsgid_wrapper:
	llgfr	%r2,%r2			# gid_t
	jg	sys_setfsgid		# branch to system call

	.globl	sys32_pivot_root_wrapper
sys32_pivot_root_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# const char *
	jg	sys_pivot_root		# branch to system call

	.globl	sys32_mincore_wrapper
sys32_mincore_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# size_t
	llgtr	%r4,%r4			# unsigned char *
	jg	sys_mincore		# branch to system call

	.globl	sys32_madvise_wrapper
sys32_madvise_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# size_t
	lgfr	%r4,%r4			# int
	jg	sys_madvise		# branch to system call

	.globl	sys32_getdents64_wrapper
sys32_getdents64_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# void *
	llgfr	%r4,%r4			# unsigned int
	jg	sys_getdents64		# branch to system call

	.globl	compat_sys_fcntl64_wrapper
compat_sys_fcntl64_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned int
	llgfr	%r4,%r4			# unsigned long
	jg	compat_sys_fcntl64	# branch to system call

	.globl	sys32_stat64_wrapper
sys32_stat64_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct stat64 *
	jg	sys32_stat64		# branch to system call

	.globl	sys32_lstat64_wrapper
sys32_lstat64_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct stat64 *
	jg	sys32_lstat64		# branch to system call

	.globl	sys32_stime_wrapper
sys32_stime_wrapper:
	llgtr	%r2,%r2			# long *
	jg	compat_sys_stime	# branch to system call

	.globl	sys32_sysctl_wrapper
sys32_sysctl_wrapper:
	llgtr	%r2,%r2 		# struct __sysctl_args32 *
	jg	sys32_sysctl

	.globl	sys32_fstat64_wrapper
sys32_fstat64_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgtr	%r3,%r3			# struct stat64 *
	jg	sys32_fstat64		# branch to system call

	.globl	compat_sys_futex_wrapper
compat_sys_futex_wrapper:
	llgtr	%r2,%r2			# u32 *
	lgfr	%r3,%r3			# int
	lgfr	%r4,%r4			# int
	llgtr	%r5,%r5			# struct compat_timespec *
	llgtr	%r6,%r6			# u32 *
	lgf	%r0,164(%r15)		# int
	stg	%r0,160(%r15)
	jg	compat_sys_futex	# branch to system call

	.globl	sys32_setxattr_wrapper
sys32_setxattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# void *
	llgfr	%r5,%r5			# size_t
	lgfr	%r6,%r6			# int
	jg	sys_setxattr

	.globl	sys32_lsetxattr_wrapper
sys32_lsetxattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# void *
	llgfr	%r5,%r5			# size_t
	lgfr	%r6,%r6			# int
	jg	sys_lsetxattr

	.globl	sys32_fsetxattr_wrapper
sys32_fsetxattr_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# void *
	llgfr	%r5,%r5			# size_t
	lgfr	%r6,%r6			# int
	jg	sys_fsetxattr

	.globl	sys32_getxattr_wrapper
sys32_getxattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# void *
	llgfr	%r5,%r5			# size_t
	jg	sys_getxattr

	.globl	sys32_lgetxattr_wrapper
sys32_lgetxattr_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *