8dc2499aa6
gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
// Copyright 2012 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 !windows && !static && (!darwin || (!internal_pie && !arm64))
|
|
// +build !windows
|
|
// +build !static
|
|
// +build !darwin !internal_pie,!arm64
|
|
|
|
// Excluded in darwin internal linking PIE mode, as dynamic export is not
|
|
// supported.
|
|
// Excluded in internal linking mode on darwin/arm64, as it is always PIE.
|
|
|
|
package cgotest
|
|
|
|
/*
|
|
#include <stdint.h>
|
|
#include <dlfcn.h>
|
|
#cgo linux LDFLAGS: -ldl
|
|
|
|
extern uintptr_t dlopen4029(char*, int);
|
|
extern uintptr_t dlsym4029(uintptr_t, char*);
|
|
extern int dlclose4029(uintptr_t);
|
|
|
|
extern void call4029(uintptr_t arg);
|
|
*/
|
|
import "C"
|
|
|
|
import (
|
|
"testing"
|
|
)
|
|
|
|
var callbacks int
|
|
|
|
//export IMPIsOpaque
|
|
func IMPIsOpaque() {
|
|
callbacks++
|
|
}
|
|
|
|
//export IMPInitWithFrame
|
|
func IMPInitWithFrame() {
|
|
callbacks++
|
|
}
|
|
|
|
//export IMPDrawRect
|
|
func IMPDrawRect() {
|
|
callbacks++
|
|
}
|
|
|
|
//export IMPWindowResize
|
|
func IMPWindowResize() {
|
|
callbacks++
|
|
}
|
|
|
|
func test4029(t *testing.T) {
|
|
loadThySelf(t, "IMPWindowResize")
|
|
loadThySelf(t, "IMPDrawRect")
|
|
loadThySelf(t, "IMPInitWithFrame")
|
|
loadThySelf(t, "IMPIsOpaque")
|
|
if callbacks != 4 {
|
|
t.Errorf("got %d callbacks, expected 4", callbacks)
|
|
}
|
|
}
|
|
|
|
func loadThySelf(t *testing.T, symbol string) {
|
|
this_process := C.dlopen4029(nil, C.RTLD_NOW)
|
|
if this_process == 0 {
|
|
t.Error("dlopen:", C.GoString(C.dlerror()))
|
|
return
|
|
}
|
|
defer C.dlclose4029(this_process)
|
|
|
|
symbol_address := C.dlsym4029(this_process, C.CString(symbol))
|
|
if symbol_address == 0 {
|
|
t.Error("dlsym:", C.GoString(C.dlerror()))
|
|
return
|
|
}
|
|
t.Log(symbol, symbol_address)
|
|
C.call4029(symbol_address)
|
|
}
|