File ffcall/trampoline/tramp-rs6000-sysv4.s from the latest check-in


/* Trampoline for rs6000 CPU with SysV.4 ABI */

/*
 * Copyright 1995-1999 Bruno Haible, <bruno@clisp.org>
 *
 * This is free software distributed under the GNU General Public Licence
 * described in the file COPYING. Contact the author if you don't have this
 * or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied,
 * on this software.
 */

/* Available registers: r0, r12, r11, r10, r9, r8, r7, r6, r5, r4, r3. */
/* However, r0 is special in that it cannot be used as a base register. */
/* And r3...r10 should not be clobbered because they contain the first 8
 * integer arguments to the function being called. */

	.globl tramp
tramp:
/* Move <data> into <variable> */
	lis 11,0x1234
	ori 11,11,0x5678
	lis 12,0x7355
	ori 12,12,0x4711
	stw 12,0(11)
/* Get <function> */
	lis 0,0xbabe
	ori 0,0,0xbec0
	mtctr 0
	bctr