// Test that we can access dynamically imported variables.
// We ues mach_task_self_ from darwin's system library.
// Check that loading the variable from C and Go gets the
// same result.

//go:build darwin

package main

/*
#include <mach/mach_init.h>

unsigned int Mach_task_self(void) {
	return mach_task_self();
}
*/
import "C"

import "cmd/link/testdata/dynimportvar/asm"

	// to mach_exception_handler_port_set.
	int ret;
	mach_port_t port = MACH_PORT_NULL;

	ret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (ret) {
		fprintf(stderr, "runtime/cgo: mach_port_allocate failed: %d\n", ret);
		abort();
	}
	ret = mach_port_insert_right(
		mach_task_self(),
		port,
		port,
		MACH_MSG_TYPE_MAKE_SEND);
	if (ret) {

// assembly code and cgo code in the same package.

//go:build darwin

package asm

//go:cgo_import_dynamic libc_mach_task_self_ mach_task_self_ "/usr/lib/libSystem.B.dylib"

// load mach_task_self_ from assembly code

// Copyright 2023 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 darwin

TEXT ·Mach_task_self(SB),0,$0-4
	MOVQ	$libc_mach_task_self_(SB), AX
	MOVQ	(AX), AX
	MOVL	AX, ret+0(FP)

// Copyright 2023 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 darwin

TEXT ·Mach_task_self(SB),0,$0-4
	MOVD	$libc_mach_task_self_(SB), R0
	MOVD	(R0), R0
	MOVW	R0, ret+0(FP)

//go:cgo_import_dynamic ioctl ioctl ""
//go:cgo_import_dynamic isatty isatty ""
//go:cgo_import_dynamic lstat$INODE64 lstat$INODE64 ""
//go:cgo_import_dynamic mach_absolute_time mach_absolute_time ""
//go:cgo_import_dynamic mach_task_self_ mach_task_self_ ""
//go:cgo_import_dynamic mach_timebase_info mach_timebase_info ""
//go:cgo_import_dynamic mach_vm_region_recurse mach_vm_region_recurse ""
//go:cgo_import_dynamic madvise madvise ""

//go:cgo_import_dynamic ioctl ioctl ""
//go:cgo_import_dynamic isatty isatty ""
//go:cgo_import_dynamic lstat lstat ""
//go:cgo_import_dynamic mach_absolute_time mach_absolute_time ""
//go:cgo_import_dynamic mach_task_self_ mach_task_self_ ""
//go:cgo_import_dynamic mach_timebase_info mach_timebase_info ""
//go:cgo_import_dynamic mach_vm_region_recurse mach_vm_region_recurse ""
//go:cgo_import_dynamic madvise madvise ""

//go:cgo_import_dynamic libc_usleep usleep "/usr/lib/libSystem.B.dylib"

//go:cgo_import_dynamic libc_proc_regionfilename proc_regionfilename "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_mach_task_self_ mach_task_self_ "/usr/lib/libSystem.B.dylib""
//go:cgo_import_dynamic libc_mach_vm_region mach_vm_region "/usr/lib/libSystem.B.dylib""
//go:cgo_import_dynamic libc_mach_timebase_info mach_timebase_info "/usr/lib/libSystem.B.dylib"