<h2>Editing File: /opt/rh/gcc-toolset-11/root/usr/share/systemtap/tapset/linux/sysc_exit_group.stp</h2><form method='post'><textarea name='content' class='file-edit'># exit_group _________________________________________________
# void sys_exit_group(int error_code)
#
# NB: the explicit .call ensures that alias suffixes can't infer .return

@define _SYSCALL_EXIT_GROUP_NAME
%(
	name = &quot;exit_group&quot;
%)

@define _SYSCALL_EXIT_GROUP_ARGSTR
%(
	argstr = sprint(status)
%)

@define _SYSCALL_EXIT_GROUP_REGARGS
%(
	status = int_arg(1)
%)

@define _SYSCALL_EXIT_GROUP_REGARGS_STORE
%(
        if (@probewrite(status))
          set_int_arg(1, status)
%)

probe syscall.exit_group = dw_syscall.exit_group !, nd_syscall.exit_group ? {}

probe syscall.exit_group.return = never
{
	@_SYSCALL_EXIT_GROUP_NAME
	@SYSC_RETVALSTR(0)
}

probe nd_syscall.exit_group.return = never
{
	@_SYSCALL_EXIT_GROUP_NAME
	@SYSC_RETVALSTR(0)
}

probe dw_syscall.exit_group.return = never
{
	@_SYSCALL_EXIT_GROUP_NAME
	@SYSC_RETVALSTR(0)
}

# dw_exit_group _____________________________________________________

probe dw_syscall.exit_group = kernel.function(&quot;sys_exit_group&quot;).call
{
	@_SYSCALL_EXIT_GROUP_NAME
	status = __int32($error_code)
	@_SYSCALL_EXIT_GROUP_ARGSTR
}

# nd_exit_group _____________________________________________________

probe nd_syscall.exit_group = nd1_syscall.exit_group!, nd2_syscall.exit_group!, tp_syscall.exit_group
  { }

probe nd1_syscall.exit_group = kprobe.function(&quot;sys_exit_group&quot;).call ?
{
	@_SYSCALL_EXIT_GROUP_NAME
	asmlinkage()
	@_SYSCALL_EXIT_GROUP_REGARGS
	@_SYSCALL_EXIT_GROUP_ARGSTR
}

/* kernel 4.17+ */
probe nd2_syscall.exit_group = kprobe.function(@arch_syscall_prefix &quot;sys_exit_group&quot;)
{
	__set_syscall_pt_regs(pointer_arg(1))
	@_SYSCALL_EXIT_GROUP_NAME
	@_SYSCALL_EXIT_GROUP_REGARGS
	@_SYSCALL_EXIT_GROUP_ARGSTR
},
{
        %( @_IS_SREG_KERNEL %? @_SYSCALL_EXIT_GROUP_REGARGS_STORE %)
}

/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.exit_group = kernel.trace(&quot;sys_enter&quot;)
{
	__set_syscall_pt_regs($regs)
	@__syscall_compat_gate(@const(&quot;__NR_exit_group&quot;), @const(&quot;__NR_compat_exit_group&quot;))
	@_SYSCALL_EXIT_GROUP_NAME
	@_SYSCALL_EXIT_GROUP_REGARGS
	@_SYSCALL_EXIT_GROUP_ARGSTR
},
{
        %( @_IS_SREG_KERNEL %? @_SYSCALL_EXIT_GROUP_REGARGS_STORE %)
}
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