* Linux assembly.
 */
  .toc
  .csect .text[PR]
  .globl crosscall_ppc64
  .globl .crosscall_ppc64
  .csect crosscall_ppc64[DS]
crosscall_ppc64:
  .llong .crosscall_ppc64, TOC[tc0], 0
  .csect .text[PR]
.crosscall_ppc64:
	// Start with standard C stack frame layout and linkage
	mflr	0
	std	0, 16(1)	// Save LR in caller's frame
	std	2, 40(1)	// Save TOC in caller's frame
	bl	saveregs

	FOR_EACH_VR \opcode "(\vr+1)"
.endif
.endm

/*
 * void crosscall_ppc64(void (*fn)(void), void *g)
 *
 * Calling into the gc tool chain, where all registers are caller save.
 * Called from standard ppc64 C ABI, where r2, r14-r31, f14-f31 are
 * callee-save, so they must be saved explicitly.
 */
.globl crosscall_ppc64
crosscall_ppc64:
	// Start with standard C stack frame layout and linkage
	mflr	%r0

		fatalf("pthread_create failed: %s", strerror(err));
	}
}

extern void crosscall_ppc64(void (*fn)(void), void *g);

static void*
threadentry(void *v)
{
	ThreadStart ts;

	ts = *(ThreadStart*)v;
	_cgo_tsan_acquire();
	free(v);
	_cgo_tsan_release();

	// Save g for this thread in C TLS
	setg_gcc((void*)ts.g);

	crosscall_ppc64(ts.fn, (void*)ts.g);
	return nil;

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build ppc64 || ppc64le

package runtime

// crosscall_ppc64 calls into the runtime to set up the registers the
// Go runtime expects and so the symbol it calls needs to be exported
// for external linking to work.
//

	TW	$31, R0, R0
	RET

TEXT runtime·asminit(SB),NOSPLIT|NOFRAME,$0-0
	RET

// Any changes must be reflected to runtime/cgo/gcc_aix_ppc64.S:.crosscall_ppc64
TEXT _cgo_reginit(SB),NOSPLIT|NOFRAME,$0-0
	// crosscall_ppc64 and crosscall2 need to reginit, but can't
	// get at the 'runtime.reginit' symbol.
	BR	runtime·reginit(SB)

TEXT runtime·reginit(SB),NOSPLIT|NOFRAME,$0-0