}

func testCallbackStack(t *testing.T) {
	// Make cgo call and callback with different amount of stack available.
	// We do not do any explicit checks, just ensure that it does not crash.
	for _, f := range splitTests {
		f()
	}
}

//export goStackCheck
func goStackCheck() {
	// use some stack memory to trigger split stack check
	var buf [256]byte
	use(buf[:])
}

var Used byte

					// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
					// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
					// This changes the SP, thus we have to update the SP used by the imported function.

					// func wasmExit(code int32)
					"runtime.wasmExit": (sp) => {

pkg syscall (netbsd-386), const MAP_RENAME ideal-int
pkg syscall (netbsd-386), const MAP_SHARED = 1
pkg syscall (netbsd-386), const MAP_SHARED ideal-int
pkg syscall (netbsd-386), const MAP_STACK = 8192
pkg syscall (netbsd-386), const MAP_STACK ideal-int
pkg syscall (netbsd-386), const MAP_TRYFIXED = 1024
pkg syscall (netbsd-386), const MAP_TRYFIXED ideal-int
pkg syscall (netbsd-386), const MAP_WIRED = 2048

pkg syscall (netbsd-arm64-cgo), const MAP_SHARED = 1
pkg syscall (netbsd-arm64-cgo), const MAP_SHARED ideal-int
pkg syscall (netbsd-arm64-cgo), const MAP_STACK = 8192
pkg syscall (netbsd-arm64-cgo), const MAP_STACK ideal-int
pkg syscall (netbsd-arm64-cgo), const MAP_TRYFIXED = 1024
pkg syscall (netbsd-arm64-cgo), const MAP_TRYFIXED ideal-int
pkg syscall (netbsd-arm64-cgo), const MAP_WIRED = 2048

	"cmd/asm/internal/flags"
	"cmd/internal/objabi"
	"cmd/internal/src"
)

// Input is the main input: a stack of readers and some macro definitions.
// It also handles #include processing (by pushing onto the input stack)
// and parses and instantiates macro definitions.
type Input struct {
	Stack
	includes        []string
	beginningOfLine bool
	ifdefStack      []bool
	macros          map[string]*Macro

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include <string.h>

#include "_cgo_export.h"

void
callback(void *f)
{
	// use some stack space
	volatile char data[64*1024];

	data[0] = 0;
	goCallback(f);
        data[sizeof(data)-1] = 0;
}

void
callGoFoo(void)
{
	extern void goFoo(void);
	goFoo();
}

void
IntoC(void)

	}
	return i;
#else
	return 0;
#endif
}
*/
import "C"

import (
	"internal/testenv"
	"reflect"
	"runtime"
	"strings"
	"testing"
	"unsafe"
)

// Test that the stack can be unwound through a call out and call back
// into Go.
func testCallbackCallersSEH(t *testing.T) {
	testenv.SkipIfOptimizationOff(t) // This test requires inlining.
	if runtime.Compiler != "gc" {

	Spectre    = flag.String("spectre", "", "enable spectre mitigations in `list` (all, ret)")
)

var DebugFlags struct {
	MayMoreStack string `help:"call named function before all stack growth checks"`
	PCTab        string `help:"print named pc-value table\nOne of: pctospadj, pctofile, pctoline, pctoinline, pctopcdata"`
}

var (
	D        MultiFlag
	I        MultiFlag
	PrintOut int
	DebugV   bool

	case "SB":
		addr.Name = obj.NAME_EXTERN
		if isStatic {
			addr.Name = obj.NAME_STATIC
		}
	case "SP":
		addr.Name = obj.NAME_AUTO // The pseudo-stack.
	default:
		p.errorf("expected pseudo-register; found %s", reg)
	}
	if prefix == '$' {
		addr.Type = obj.TYPE_ADDR
	}
}

// symRefAttrs parses an optional function symbol attribute clause for

pkg syscall (freebsd-386), const MAP_RESERVED0100 ideal-int
pkg syscall (freebsd-386), const MAP_SHARED = 1
pkg syscall (freebsd-386), const MAP_SHARED ideal-int
pkg syscall (freebsd-386), const MAP_STACK = 1024
pkg syscall (freebsd-386), const MAP_STACK ideal-int
pkg syscall (freebsd-386), const MCL_CURRENT = 1
pkg syscall (freebsd-386), const MCL_CURRENT ideal-int
pkg syscall (freebsd-386), const MCL_FUTURE = 2