FM / s390

/usr/share/systemtap/tapset/linux/s390

Name	Size	Mode	Actions
aux_syscalls.stp	5541	0644	edit dl rm
syscall_num.stp	68068	0644	edit dl rm
sysc_compat_fadvise64.stp	6584	0644	edit dl rm
sysc_compat_fallocate.stp	3218	0644	edit dl rm
sysc_compat_ftruncate64.stp	1826	0644	edit dl rm
sysc_compat_lookup_dcookie.stp	3097	0644	edit dl rm
sysc_compat_readahead.stp	1917	0644	edit dl rm
sysc_compat_truncate64.stp	1879	0644	edit dl rm
sysc_execve.stp	4776	0644	edit dl rm
sysc_getresgid16.stp	1820	0644	edit dl rm
sysc_getresuid16.stp	1701	0644	edit dl rm
sysc_ipc.stp	1419	0644	edit dl rm
sysc_mmap.stp	3298	0644	edit dl rm
sysc_mmap2.stp	3129	0644	edit dl rm
sysc_sigaltstack.stp	3042	0644	edit dl rm
sysc_sysctl32.stp	1142	0644	edit dl rm

Edit: /usr/share/systemtap/tapset/linux/s390/sysc_compat_truncate64.stp (1879B)

# truncate64 __________________________________________________
#
# COMPAT_SYSCALL_DEFINE3(s390_truncate64, const char __user *, path,
#			 u32, high, u32, low)
#

@define _SYSCALL_COMPAT_TRUNCATE64_NAME
%(
	name = "truncate"
%)

@define _SYSCALL_COMPAT_TRUNCATE64_ARGSTR
%(
	argstr = sprintf("%s, %d", path, length)
%)

probe syscall.compat_truncate64 = dw_syscall.compat_truncate64 !,
                                  nd_syscall.compat_truncate64 ? {}
probe syscall.compat_truncate64.return = dw_syscall.compat_truncate64.return !,
                                         nd_syscall.compat_truncate64.return ? {}

# dw_compat_truncate64 _____________________________________________________

probe dw_syscall.compat_truncate64 = kernel.function("sys32_truncate64").call ?,
	kernel.function("compat_sys_s390_truncate64").call ?
{
        @_SYSCALL_COMPAT_TRUNCATE64_NAME
	path_uaddr = @__pointer($path)
	path = user_string_quoted(path_uaddr)
        length = (($high << 32) | __uint32($low))
	@_SYSCALL_COMPAT_TRUNCATE64_ARGSTR
}
probe dw_syscall.compat_truncate64.return =
	kernel.function("sys32_truncate64").return ?,
	kernel.function("compat_sys_s390_truncate64").return ?
{
	@_SYSCALL_COMPAT_TRUNCATE64_NAME
	@SYSC_RETVALSTR($return)
}

# nd_compat_truncate64 _____________________________________________________

probe nd_syscall.compat_truncate64 = kprobe.function("sys32_truncate64") ?,
	kprobe.function("compat_sys_s390_truncate64") ?
{
	asmlinkage()
        @_SYSCALL_COMPAT_TRUNCATE64_NAME
	path_uaddr = pointer_arg(1)
	path = user_string_quoted(path_uaddr)
        length = ((uint_arg(2) << 32) | uint_arg(3))
	@_SYSCALL_COMPAT_TRUNCATE64_ARGSTR
}
probe nd_syscall.compat_truncate64.return =
	kprobe.function("sys32_truncate64").return ?,
	kprobe.function("compat_sys_s390_truncate64").return ?
{
	@_SYSCALL_COMPAT_TRUNCATE64_NAME
	@SYSC_RETVALSTR(returnval())
}

# truncate64 __________________________________________________ # # COMPAT_SYSCALL_DEFINE3(s390_truncate64, const char __user *, path, # u32, high, u32, low) # @define _SYSCALL_COMPAT_TRUNCATE64_NAME %( name = "truncate" %) @define _SYSCALL_COMPAT_TRUNCATE64_ARGSTR %( argstr = sprintf("%s, %d", path, length) %) probe syscall.compat_truncate64 = dw_syscall.compat_truncate64 !, nd_syscall.compat_truncate64 ? {} probe syscall.compat_truncate64.return = dw_syscall.compat_truncate64.return !, nd_syscall.compat_truncate64.return ? {} # dw_compat_truncate64 _____________________________________________________ probe dw_syscall.compat_truncate64 = kernel.function("sys32_truncate64").call ?, kernel.function("compat_sys_s390_truncate64").call ? { @_SYSCALL_COMPAT_TRUNCATE64_NAME path_uaddr = @__pointer($path) path = user_string_quoted(path_uaddr) length = (($high << 32) | __uint32($low)) @_SYSCALL_COMPAT_TRUNCATE64_ARGSTR } probe dw_syscall.compat_truncate64.return = kernel.function("sys32_truncate64").return ?, kernel.function("compat_sys_s390_truncate64").return ? { @_SYSCALL_COMPAT_TRUNCATE64_NAME @SYSC_RETVALSTR($return) } # nd_compat_truncate64 _____________________________________________________ probe nd_syscall.compat_truncate64 = kprobe.function("sys32_truncate64") ?, kprobe.function("compat_sys_s390_truncate64") ? { asmlinkage() @_SYSCALL_COMPAT_TRUNCATE64_NAME path_uaddr = pointer_arg(1) path = user_string_quoted(path_uaddr) length = ((uint_arg(2) << 32) | uint_arg(3)) @_SYSCALL_COMPAT_TRUNCATE64_ARGSTR } probe nd_syscall.compat_truncate64.return = kprobe.function("sys32_truncate64").return ?, kprobe.function("compat_sys_s390_truncate64").return ? { @_SYSCALL_COMPAT_TRUNCATE64_NAME @SYSC_RETVALSTR(returnval()) }