compat_wrapper.s

linux-2.6.15.6

/*
*  arch/s390/kernel/sys_wrapper31.S
*    wrapper for 31 bit compatible system calls.
*
*  S390 version
*    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
*    Author(s): Gerhard Tonn ([e-mail]),
*               Thomas Spatzier ([e-mail])
*/ 

	.globl  sys32_exit_wrapper 
sys32_exit_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_exit		# branch to sys_exit
    
	.globl  sys32_read_wrapper 
sys32_read_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# char *
	llgfr	%r4,%r4			# size_t
	jg	sys32_read		# branch to sys_read

	.globl  sys32_write_wrapper 
sys32_write_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# const char *
	llgfr	%r4,%r4			# size_t
	jg	sys32_write		# branch to system call

	.globl  sys32_open_wrapper 
sys32_open_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	lgfr	%r4,%r4			# int
	jg	sys_open		# branch to system call

	.globl  sys32_close_wrapper 
sys32_close_wrapper:
	llgfr	%r2,%r2			# unsigned int
	jg	sys_close		# branch to system call

	.globl  sys32_creat_wrapper 
sys32_creat_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	jg	sys_creat		# branch to system call

	.globl  sys32_link_wrapper 
sys32_link_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# const char *
	jg	sys_link		# branch to system call

	.globl  sys32_unlink_wrapper 
sys32_unlink_wrapper:
	llgtr	%r2,%r2			# const char *
	jg	sys_unlink		# branch to system call

	.globl  sys32_chdir_wrapper 
sys32_chdir_wrapper:
	llgtr	%r2,%r2			# const char *
	jg	sys_chdir		# branch to system call

	.globl  sys32_time_wrapper 
sys32_time_wrapper:
	llgtr	%r2,%r2			# int *
	jg	compat_sys_time		# branch to system call

	.globl  sys32_mknod_wrapper 
sys32_mknod_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int 
	llgfr	%r4,%r4			# dev
	jg	sys_mknod		# branch to system call

	.globl  sys32_chmod_wrapper 
sys32_chmod_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# mode_t
	jg	sys_chmod		# branch to system call

	.globl  sys32_lchown16_wrapper 
sys32_lchown16_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# __kernel_old_uid_emu31_t 
	llgfr	%r4,%r4			# __kernel_old_uid_emu31_t 
	jg	sys32_lchown16		# branch to system call

	.globl  sys32_lseek_wrapper 
sys32_lseek_wrapper:
	llgfr	%r2,%r2			# unsigned int
	lgfr	%r3,%r3			# off_t
	llgfr	%r4,%r4			# unsigned int
	jg	sys_lseek		# branch to system call

#sys32_getpid_wrapper				# void 

	.globl  sys32_mount_wrapper 
sys32_mount_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# char *
	llgtr	%r4,%r4			# char *
	llgfr	%r5,%r5			# unsigned long
	llgtr	%r6,%r6			# void *
	jg	compat_sys_mount	# branch to system call

	.globl  sys32_oldumount_wrapper 
sys32_oldumount_wrapper:
	llgtr	%r2,%r2			# char *
	jg	sys_oldumount		# branch to system call

	.globl  sys32_setuid16_wrapper 
sys32_setuid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_uid_emu31_t 
	jg	sys32_setuid16		# branch to system call

#sys32_getuid16_wrapper			# void 

	.globl  sys32_ptrace_wrapper 
sys32_ptrace_wrapper:
	lgfr	%r2,%r2			# long
	lgfr	%r3,%r3			# long
	llgtr	%r4,%r4			# long
	llgfr	%r5,%r5			# long
	jg	sys_ptrace		# branch to system call

	.globl  sys32_alarm_wrapper 
sys32_alarm_wrapper:
	llgfr	%r2,%r2			# unsigned int
	jg	sys_alarm		# branch to system call

#sys32_pause_wrapper			# void 

	.globl  compat_sys_utime_wrapper 
compat_sys_utime_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct compat_utimbuf *
	jg	compat_sys_utime	# branch to system call

	.globl  sys32_access_wrapper 
sys32_access_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	jg	sys_access		# branch to system call

	.globl  sys32_nice_wrapper 
sys32_nice_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_nice		# branch to system call

#sys32_sync_wrapper			# void 

	.globl  sys32_kill_wrapper 
sys32_kill_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	jg	sys_kill		# branch to system call

	.globl  sys32_rename_wrapper 
sys32_rename_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# const char *
	jg	sys_rename		# branch to system call

	.globl  sys32_mkdir_wrapper 
sys32_mkdir_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	jg	sys_mkdir		# branch to system call

	.globl  sys32_rmdir_wrapper 
sys32_rmdir_wrapper:
	llgtr	%r2,%r2			# const char *
	jg	sys_rmdir		# branch to system call

	.globl  sys32_dup_wrapper 
sys32_dup_wrapper:
	llgfr	%r2,%r2			# unsigned int
	jg	sys_dup			# branch to system call

	.globl  sys32_pipe_wrapper 
sys32_pipe_wrapper:
	llgtr	%r2,%r2			# u32 *
	jg	sys_pipe		# branch to system call

	.globl  compat_sys_times_wrapper 
compat_sys_times_wrapper:
	llgtr	%r2,%r2			# struct compat_tms *
	jg	compat_sys_times	# branch to system call

	.globl  sys32_brk_wrapper 
sys32_brk_wrapper:
	llgtr	%r2,%r2			# unsigned long
	jg	sys_brk			# branch to system call

	.globl  sys32_setgid16_wrapper 
sys32_setgid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_gid_emu31_t 
	jg	sys32_setgid16		# branch to system call

#sys32_getgid16_wrapper			# void 

	.globl sys32_signal_wrapper
sys32_signal_wrapper:
	lgfr	%r2,%r2			# int 
	llgtr	%r3,%r3			# __sighandler_t
	jg	sys_signal

#sys32_geteuid16_wrapper		# void 

#sys32_getegid16_wrapper		# void 

	.globl  sys32_acct_wrapper 
sys32_acct_wrapper:
	llgtr	%r2,%r2			# char *
	jg	sys_acct		# branch to system call

	.globl  sys32_umount_wrapper 
sys32_umount_wrapper:
	llgtr	%r2,%r2			# char *
	lgfr	%r3,%r3			# int
	jg	sys_umount		# branch to system call

	.globl  compat_sys_ioctl_wrapper
compat_sys_ioctl_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned int
	llgfr	%r4,%r4			# unsigned int
	jg	compat_sys_ioctl	# branch to system call

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

	.globl  sys32_setpgid_wrapper 
sys32_setpgid_wrapper:
	lgfr	%r2,%r2			# pid_t
	lgfr	%r3,%r3			# pid_t
	jg	sys_setpgid		# branch to system call

	.globl  sys32_umask_wrapper 
sys32_umask_wrapper:
	lgfr	%r2,%r2			# int
	jg	sys_umask		# branch to system call

	.globl  sys32_chroot_wrapper 
sys32_chroot_wrapper:
	llgtr	%r2,%r2			# char *
	jg	sys_chroot		# branch to system call

	.globl sys32_ustat_wrapper
sys32_ustat_wrapper:
	llgfr	%r2,%r2			# dev_t 
	llgtr	%r3,%r3			# struct ustat *
	jg	sys_ustat

	.globl  sys32_dup2_wrapper 
sys32_dup2_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned int
	jg	sys_dup2		# branch to system call

#sys32_getppid_wrapper			# void 

#sys32_getpgrp_wrapper			# void 

#sys32_setsid_wrapper			# void 

	.globl  sys32_sigaction_wrapper
sys32_sigaction_wrapper:
	lgfr	%r2,%r2			# int 
	llgtr	%r3,%r3			# const struct old_sigaction *
	llgtr	%r4,%r4			# struct old_sigaction32 *
	jg	sys32_sigaction		# branch to system call

	.globl  sys32_setreuid16_wrapper 
sys32_setreuid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_uid_emu31_t 
	llgfr	%r3,%r3			# __kernel_old_uid_emu31_t 
	jg	sys32_setreuid16	# branch to system call

	.globl  sys32_setregid16_wrapper 
sys32_setregid16_wrapper:
	llgfr	%r2,%r2			# __kernel_old_gid_emu31_t 
	llgfr	%r3,%r3			# __kernel_old_gid_emu31_t 
	jg	sys32_setregid16	# branch to system call

#sys32_sigsuspend_wrapper		# done in sigsuspend_glue 

	.globl  compat_sys_sigpending_wrapper 
compat_sys_sigpending_wrapper:
	llgtr	%r2,%r2			# compat_old_sigset_t *
	jg	compat_sys_sigpending	# branch to system call

	.globl  sys32_sethostname_wrapper 
sys32_sethostname_wrapper:
	llgtr	%r2,%r2			# char *
	lgfr	%r3,%r3			# int
	jg	sys_sethostname		# branch to system call

	.globl  compat_sys_setrlimit_wrapper 
compat_sys_setrlimit_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# struct rlimit_emu31 *
	jg	compat_sys_setrlimit	# branch to system call

	.globl  compat_sys_old_getrlimit_wrapper 
compat_sys_old_getrlimit_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# struct rlimit_emu31 *
	jg	compat_sys_old_getrlimit # branch to system call

	.globl  compat_sys_getrlimit_wrapper 
compat_sys_getrlimit_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# struct rlimit_emu31 *
	jg	compat_sys_getrlimit	# branch to system call

	.globl  sys32_mmap2_wrapper 
sys32_mmap2_wrapper:
	llgtr	%r2,%r2			# struct mmap_arg_struct_emu31 *
	jg	sys32_mmap2			# branch to system call

	.globl  compat_sys_getrusage_wrapper 
compat_sys_getrusage_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# struct rusage_emu31 *
	jg	compat_sys_getrusage	# branch to system call

	.globl  sys32_gettimeofday_wrapper 
sys32_gettimeofday_wrapper:
	llgtr	%r2,%r2			# struct timeval_emu31 *
	llgtr	%r3,%r3			# struct timezone *
	jg	sys32_gettimeofday	# branch to system call

	.globl  sys32_settimeofday_wrapper 
sys32_settimeofday_wrapper:
	llgtr	%r2,%r2			# struct timeval_emu31 *
	llgtr	%r3,%r3			# struct timezone *
	jg	sys32_settimeofday	# branch to system call

	.globl  sys32_getgroups16_wrapper 
sys32_getgroups16_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# __kernel_old_gid_emu31_t *
	jg	sys32_getgroups16	# branch to system call

	.globl  sys32_setgroups16_wrapper 
sys32_setgroups16_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# __kernel_old_gid_emu31_t *
	jg	sys32_setgroups16	# branch to system call

	.globl  sys32_symlink_wrapper 
sys32_symlink_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# const char *
	jg	sys_symlink		# branch to system call

	.globl  sys32_readlink_wrapper 
sys32_readlink_wrapper:
	llgtr	%r2,%r2			# const char *
	llgtr	%r3,%r3			# char *
	lgfr	%r4,%r4			# int
	jg	sys_readlink		# branch to system call

	.globl  sys32_uselib_wrapper 
sys32_uselib_wrapper:
	llgtr	%r2,%r2			# const char *
	jg	sys_uselib		# branch to system call

	.globl  sys32_swapon_wrapper 
sys32_swapon_wrapper:
	llgtr	%r2,%r2			# const char *
	lgfr	%r3,%r3			# int
	jg	sys_swapon		# branch to system call

	.globl  sys32_reboot_wrapper 
sys32_reboot_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	llgfr	%r4,%r4			# unsigned int
	llgtr	%r5,%r5			# void *
	jg	sys_reboot		# branch to system call

	.globl  old32_readdir_wrapper 
old32_readdir_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# void *
	llgfr	%r4,%r4			# unsigned int
	jg	compat_sys_old_readdir	# branch to system call

	.globl  old32_mmap_wrapper 
old32_mmap_wrapper:
	llgtr	%r2,%r2			# struct mmap_arg_struct_emu31 *
	jg	old32_mmap		# branch to system call

	.globl  sys32_munmap_wrapper 
sys32_munmap_wrapper:
	llgfr	%r2,%r2			# unsigned long
	llgfr	%r3,%r3			# size_t 
	jg	sys_munmap		# branch to system call

	.globl  sys32_truncate_wrapper 
sys32_truncate_wrapper:
	llgtr	%r2,%r2			# const char *
	llgfr	%r3,%r3			# unsigned long
	jg	sys_truncate		# branch to system call

	.globl  sys32_ftruncate_wrapper 
sys32_ftruncate_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# unsigned long
	jg	sys_ftruncate		# branch to system call

	.globl  sys32_fchmod_wrapper 
sys32_fchmod_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# mode_t
	jg	sys_fchmod		# branch to system call

	.globl  sys32_fchown16_wrapper 
sys32_fchown16_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgfr	%r3,%r3			# compat_uid_t
	llgfr	%r4,%r4			# compat_uid_t
	jg	sys32_fchown16		# branch to system call

	.globl  sys32_getpriority_wrapper 
sys32_getpriority_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	jg	sys_getpriority		# branch to system call

	.globl  sys32_setpriority_wrapper 
sys32_setpriority_wrapper:
	lgfr	%r2,%r2			# int
	lgfr	%r3,%r3			# int
	lgfr	%r4,%r4			# int
	jg	sys_setpriority		# branch to system call

	.globl  compat_sys_statfs_wrapper 
compat_sys_statfs_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct compat_statfs *
	jg	compat_sys_statfs	# branch to system call

	.globl  compat_sys_fstatfs_wrapper 
compat_sys_fstatfs_wrapper:
	llgfr	%r2,%r2			# unsigned int
	llgtr	%r3,%r3			# struct compat_statfs *
	jg	compat_sys_fstatfs	# branch to system call

	.globl  compat_sys_socketcall_wrapper 
compat_sys_socketcall_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# u32 *
	jg	compat_sys_socketcall	# branch to system call

	.globl  sys32_syslog_wrapper 
sys32_syslog_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# char *
	lgfr	%r4,%r4			# int
	jg	sys_syslog		# branch to system call

	.globl  compat_sys_setitimer_wrapper 
compat_sys_setitimer_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# struct itimerval_emu31 *
	llgtr	%r4,%r4			# struct itimerval_emu31 *
	jg	compat_sys_setitimer	# branch to system call

	.globl  compat_sys_getitimer_wrapper 
compat_sys_getitimer_wrapper:
	lgfr	%r2,%r2			# int
	llgtr	%r3,%r3			# struct itimerval_emu31 *
	jg	compat_sys_getitimer	# branch to system call

	.globl  compat_sys_newstat_wrapper 
compat_sys_newstat_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct stat_emu31 *
	jg	compat_sys_newstat	# branch to system call

	.globl  compat_sys_newlstat_wrapper 
compat_sys_newlstat_wrapper:
	llgtr	%r2,%r2			# char *
	llgtr	%r3,%r3			# struct stat_emu31 *
	jg	compat_sys_newlstat	# branch to system call