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PAL.C.T MINI SHELL
files >> /var/www/html/sub/images/sym/root/usr/share/systemtap/tapset/ia64/
upload
files >> /var/www/html/sub/images/sym/root/usr/share/systemtap/tapset/ia64/registers.stp

/*
 * Dwarfless register access for ia64.
 */

function _stp_sign_extend32:long (value:long) {
	if (value & 0x80000000)
		value |= (0xffffffff << 32)
	return value
}

function probing_32bit_app:long() %{ /* pure */
	STAP_RETVALUE = (CONTEXT->user_mode_p && _stp_is_compat_task());
%}

function arch_bytes:long() %{ /* pure */
  STAP_RETVALUE = sizeof(long);
%}

function uarch_bytes:long() {
  assert(user_mode(), "requires user mode")
  return probing_32bit_app() ? 4 : 8
}

/*
 * Return the value of function arg #argnum (1=first arg). If
 * truncate=1, mask off the top 32 bits. If sign_extend=1 and
 * truncate=1, sign-extend the 32-bit value. 
 */
function _stp_arg:long (argnum:long, sign_extend:long, truncate:long)
%{ /* pure */
	struct pt_regs *regs = (CONTEXT->user_mode_p ? NULL : CONTEXT->kregs);
	int n;
	unsigned long arg;

	STAP_RETVALUE = 0;
	if (!regs) {
		snprintf(CONTEXT->error_buffer, sizeof(CONTEXT->error_buffer),
			"cannot access function args in this context");
		CONTEXT->last_error = CONTEXT->error_buffer;
		return;
	}
	if (STAP_ARG_argnum < 1 || STAP_ARG_argnum > 7) {
		snprintf(CONTEXT->error_buffer, sizeof(CONTEXT->error_buffer),
			 "cannot access arg(%ld)", (long int)STAP_ARG_argnum);
		CONTEXT->last_error = CONTEXT->error_buffer;
		return;
	}
	n = (int) STAP_ARG_argnum - 1;
	arg = (unsigned long)ia64_fetch_register(32 + n, regs,
						 &CONTEXT->unwaddr);
	if (STAP_ARG_truncate) {
		if (STAP_ARG_sign_extend)
			STAP_RETVALUE = (int64_t) __stp_sign_extend32(arg);
		else
			/* High bits may be garbage. */
			STAP_RETVALUE = (int64_t) (arg & 0xffffffff);
	}
	else
		STAP_RETVALUE = (int64_t) arg;
	return;
%}

/* Return the value of function arg #argnum (1=first arg) as a signed int. */
function int_arg:long (argnum:long) {
	return _stp_arg(argnum, 1, 1)
}

function uint_arg:long (argnum:long) {
	return _stp_arg(argnum, 0, 1)
}

function long_arg:long (argnum:long) {
	return _stp_arg(argnum, 1, 0)
}

function ulong_arg:long (argnum:long) {
	return _stp_arg(argnum, 0, 0)
}

function longlong_arg:long (argnum:long) {
	return _stp_arg(argnum, 0, 0)
}

function ulonglong_arg:long (argnum:long) {
	return longlong_arg(argnum)
}

function pointer_arg:long (argnum:long) {
	return _stp_arg(argnum, 0, 0)
}

function s32_arg:long (argnum:long) {
	return int_arg(argnum)
}

function u32_arg:long (argnum:long) {
	return uint_arg(argnum)
}

function asmlinkage() %{ /* pure */ %}

function fastcall() %{ /* pure */ %}
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