--- Libc/Libc-498.1.7/ppc/gen/makecontext.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*
- * Copyright (c) 2004 Suleiman Souhlal
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if defined(__ppc__)
-
-#include <sys/cdefs.h>
-#include <sys/param.h>
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <ucontext.h>
-#include <unistd.h>
-
-void _ctx_done(ucontext_t *ucp);
-void _ctx_start(void);
-
-void
-_ctx_done(ucontext_t *ucp)
-{
-	if (ucp->uc_link == NULL)
-		exit(0);
-	else {
-		/* invalidate context */
-		ucp->uc_mcsize = 0;
-
-		setcontext((const ucontext_t *)ucp->uc_link);
-
-		abort(); /* should never return from above call */
-	}
-}
-
-void
-makecontext(ucontext_t *ucp, void (*start)(void), int argc, ...)
-{
-	mcontext_t mc;
-	char *sp;
-	va_list ap;
-	int i, regargs, stackargs;
-	uint32_t args[8];
-
-	/* Sanity checks */
-	if ((ucp == NULL) || (argc < 0) || (argc > NCARGS)
-	    || (ucp->uc_stack.ss_sp == NULL)
-	    || (ucp->uc_stack.ss_size < 8192)) {
-		/* invalidate context */
-		ucp->uc_mcsize = 0;
-		return;
-	}
-
-	/*
-	 * The stack must have space for the frame pointer, saved
-	 * link register, overflow arguments, and be 16-byte
-	 * aligned.
-	 */
-	stackargs = (argc > 8) ? argc - 8 : 0;
-	sp = (char *) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size
-		- sizeof(uint32_t)*(stackargs + 2);
-	sp = (char *)((uint32_t)sp & ~0x1f);
-
-	mc = ucp->uc_mcontext;
-
-	/*
-	 * Up to 8 register args. Assumes all args are 32-bit and
-	 * integer only. Not sure how to cater for floating point,
-	 * although 64-bit args will work if aligned correctly
-	 * in the arg list.
-	 */
-	regargs = (argc > 8) ? 8 : argc;
-	va_start(ap, argc);
-	for (i = 0; i < regargs; i++)
-		args[i] = va_arg(ap, uint32_t);
-
-	switch (regargs) {
-		/*
-		 * Hi Tom!
-		 */
-		case 8 : mc->ss.r10 = args[7];
-		case 7 : mc->ss.r9  = args[6];
-		case 6 : mc->ss.r8  = args[5];
-		case 5 : mc->ss.r7  = args[4];
-		case 4 : mc->ss.r6  = args[3];
-		case 3 : mc->ss.r5  = args[2];
-		case 2 : mc->ss.r4  = args[1];
-		case 1 : mc->ss.r3  = args[0];
-		default: break;
-	}
-
-	/*
-	 * Overflow args go onto the stack
-	 */
-	if (argc > 8) {
-		uint32_t *argp;
-
-		/* Skip past frame pointer and saved LR */
-		argp = (uint32_t *)sp + 2;
-
-		for (i = 0; i < stackargs; i++)
-			*argp++ = va_arg(ap, uint32_t);
-	}
-	va_end(ap);
-
-	/*
-	 * Use caller-saved regs 14/15 to hold params that _ctx_start
-	 * will use to invoke the user-supplied func
-	 */
-	mc->ss.srr0 = (uint32_t) _ctx_start;
-	mc->ss.r1   = (uint32_t) sp;	/* new stack pointer */
-	mc->ss.r14  = (uint32_t) start;	/* r14 <- start */
-	mc->ss.r15  = (uint32_t) ucp;	/* r15 <- ucp */
-}
-
-#endif /* __ppc__ */