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Current File : //usr/share/systemtap/tapset/linux/arm64/aux_syscalls.stp

# arch-specific requests of ptrace ___________________________
#

%{
// Get _stp_val_array and _stp_lookup_* definitions.
#include "linux/syscalls-common.h"

static const _stp_val_array const _stp_arch_ptrace_request_list[] = {
	V(COMPAT_PTRACE_GETREGS),
	V(COMPAT_PTRACE_SETREGS),
	V(COMPAT_PTRACE_GET_THREAD_AREA),
	V(COMPAT_PTRACE_SET_SYSCALL),
	V(COMPAT_PTRACE_GETVFPREGS),
	V(COMPAT_PTRACE_SETVFPREGS),
	V(COMPAT_PTRACE_GETHBPREGS),
	V(COMPAT_PTRACE_SETHBPREGS),
	{0, NULL}
};
%}

function __arch_ptrace_request_str:string(request:long)
%{ /* pure */
	_stp_lookup_str(_stp_arch_ptrace_request_list,
			(unsigned long)STAP_ARG_request, STAP_RETVALUE,
			MAXSTRINGLEN);
%}

function _arch_ptrace_argstr(request, pid, addr, data)
{
	if (request == %{ /* pure */ COMPAT_PTRACE_GETREGS %}
	    || request == %{ /* pure */ COMPAT_PTRACE_SETREGS %}
	    || request == %{ /* pure */ COMPAT_PTRACE_SET_SYSCALL %}
	    || request == %{ /* pure */ COMPAT_PTRACE_GETVFPREGS %}
	    || request == %{ /* pure */ COMPAT_PTRACE_SETVFPREGS %}
	    || request == %{ /* pure */ COMPAT_PTRACE_GETHBPREGS %}
	    || request == %{ /* pure */ COMPAT_PTRACE_SETHBPREGS %})
		return sprintf("%s, %d, %#x, %p",
			       __arch_ptrace_request_str(request), pid,
			       addr, data)
	if (request == %{ /* pure */ COMPAT_PTRACE_GET_THREAD_AREA %})
		return sprintf("%s, %d, %d, %p", 
			       __arch_ptrace_request_str(request), pid,
			       __int32(addr), data)
}

function _ptrace_return_arch_prctl_addr:long(request:long, addr:long, data:long)
{
	return 0
}

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