FM / x86

/usr/share/systemtap/tapset/linux/x86_64/

/usr/share/systemtap/tapset/linux/x86_64

Name	Size	Mode	Actions
aux_syscalls.stp	3665	0644	edit dl rm
syscall_num.stp	65658	0644	edit dl rm
sysc_arch_prctl.stp	3594	0644	edit dl rm
sysc_compat_execve.stp	1631	0644	edit dl rm
sysc_compat_fadvise64.stp	8099	0644	edit dl rm
sysc_compat_fallocate.stp	4159	0644	edit dl rm
sysc_compat_ftruncate64.stp	3755	0644	edit dl rm
sysc_compat_lookup_dcookie.stp	4272	0644	edit dl rm
sysc_compat_readahead.stp	3692	0644	edit dl rm
sysc_compat_truncate64.stp	4085	0644	edit dl rm
sysc_execve.stp	1655	0644	edit dl rm
sysc_get_thread_area.stp	3555	0644	edit dl rm
sysc_iopl.stp	2571	0644	edit dl rm
sysc_mmap.stp	4136	0644	edit dl rm
sysc_mmap2.stp	2683	0644	edit dl rm
sysc_pipe32.stp	1572	0644	edit dl rm
sysc_set_thread_area.stp	3499	0644	edit dl rm
sysc_sigaltstack.stp	2296	0644	edit dl rm
sysc_sysctl32.stp	1143	0644	edit dl rm
sysc_vm86_warning.stp	1200	0644	edit dl rm

Edit: /usr/share/systemtap/tapset/linux/x86_64/sysc_sigaltstack.stp (2296B)

@define _SYSCALL_SIGALTSTACK_NAME
%(
	name = "sigaltstack"
%)

@define _SYSCALL_SIGALTSTACK_ARGSTR
%(
	argstr = sprintf("%s, %p", uss_str, uoss_uaddr)
%)

probe syscall.sigaltstack = dw_syscall.sigaltstack !, nd_syscall.sigaltstack {}
probe syscall.sigaltstack.return = dw_syscall.sigaltstack.return !,
                                   nd_syscall.sigaltstack.return {}

# dw_sigaltstack _____________________________________________________

probe dw_syscall.sigaltstack = kernel.function("sys_sigaltstack").call,
	kernel.function("sys32_sigaltstack").call ?
{
	@_SYSCALL_SIGALTSTACK_NAME
	uss_uaddr = @choose_defined($uss, $uss_ptr)
	uoss_uaddr = @choose_defined($uoss, $uoss_ptr)
# 'regs_uaddr' should have been 'regs'.  Deprecate the old name.
%(systemtap_v <= "1.4" %?
	regs_uaddr = $regs
%)
%(systemtap_v < "2.3" %?
	regs = $regs
%)
	uss_str = (@__compat_task ? _stp_compat_sigaltstack_u(uss_uaddr)
	                          : _stp_sigaltstack_u(uss_uaddr))
	@_SYSCALL_SIGALTSTACK_ARGSTR
}
probe dw_syscall.sigaltstack.return = kernel.function("sys_sigaltstack").return,
	kernel.function("sys32_sigaltstack").return ?
{
	@_SYSCALL_SIGALTSTACK_NAME
	@SYSC_RETVALSTR($return)
}

# nd_sigaltstack _____________________________________________________

probe nd_syscall.sigaltstack = kprobe.function("sys_sigaltstack"),
	kprobe.function("sys32_sigaltstack").call ?
{
	@_SYSCALL_SIGALTSTACK_NAME
	asmlinkage()
	uss_uaddr = pointer_arg(1)
	uoss_uaddr = pointer_arg(2)
%(systemtap_v < "2.3" %?
	regs_uaddr = pointer_arg(3)
	regs = pointer_arg(3)
%)
	uss_str = (@__compat_task ? _stp_compat_sigaltstack_u(uss_uaddr)
	                          : _stp_sigaltstack_u(uss_uaddr))
	@_SYSCALL_SIGALTSTACK_ARGSTR
}
probe nd_syscall.sigaltstack.return = kprobe.function("sys_sigaltstack").return,
	kprobe.function("sys32_sigaltstack").return ?
{
	@_SYSCALL_SIGALTSTACK_NAME
	@SYSC_RETVALSTR(returnval())
}
%)

%( CONFIG_GENERIC_SIGALTSTACK == "n" || kernel_v < "3.8" %? # sigaltstack ________________________________________________ # long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, # struct pt_regs *regs) # asmlinkage long # sys32_sigaltstack(const stack_ia32_t __user *uss_ptr, # stack_ia32_t __user *uoss_ptr, # struct pt_regs *regs) # # NOTE: args vary between archs. # @define _SYSCALL_SIGALTSTACK_NAME %( name = "sigaltstack" %) @define _SYSCALL_SIGALTSTACK_ARGSTR %( argstr = sprintf("%s, %p", uss_str, uoss_uaddr) %) probe syscall.sigaltstack = dw_syscall.sigaltstack !, nd_syscall.sigaltstack {} probe syscall.sigaltstack.return = dw_syscall.sigaltstack.return !, nd_syscall.sigaltstack.return {} # dw_sigaltstack _____________________________________________________ probe dw_syscall.sigaltstack = kernel.function("sys_sigaltstack").call, kernel.function("sys32_sigaltstack").call ? { @_SYSCALL_SIGALTSTACK_NAME uss_uaddr = @choose_defined($uss, $uss_ptr) uoss_uaddr = @choose_defined($uoss, $uoss_ptr) # 'regs_uaddr' should have been 'regs'. Deprecate the old name. %(systemtap_v <= "1.4" %? regs_uaddr = $regs %) %(systemtap_v < "2.3" %? regs = $regs %) uss_str = (@__compat_task ? _stp_compat_sigaltstack_u(uss_uaddr) : _stp_sigaltstack_u(uss_uaddr)) @_SYSCALL_SIGALTSTACK_ARGSTR } probe dw_syscall.sigaltstack.return = kernel.function("sys_sigaltstack").return, kernel.function("sys32_sigaltstack").return ? { @_SYSCALL_SIGALTSTACK_NAME @SYSC_RETVALSTR($return) } # nd_sigaltstack _____________________________________________________ probe nd_syscall.sigaltstack = kprobe.function("sys_sigaltstack"), kprobe.function("sys32_sigaltstack").call ? { @_SYSCALL_SIGALTSTACK_NAME asmlinkage() uss_uaddr = pointer_arg(1) uoss_uaddr = pointer_arg(2) %(systemtap_v < "2.3" %? regs_uaddr = pointer_arg(3) regs = pointer_arg(3) %) uss_str = (@__compat_task ? _stp_compat_sigaltstack_u(uss_uaddr) : _stp_sigaltstack_u(uss_uaddr)) @_SYSCALL_SIGALTSTACK_ARGSTR } probe nd_syscall.sigaltstack.return = kprobe.function("sys_sigaltstack").return, kprobe.function("sys32_sigaltstack").return ? { @_SYSCALL_SIGALTSTACK_NAME @SYSC_RETVALSTR(returnval()) } %)