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74 lines
1.4 KiB
74 lines
1.4 KiB
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !windows,!static
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package cgotest
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/*
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#include <stdint.h>
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#include <dlfcn.h>
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#cgo linux LDFLAGS: -ldl
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extern uintptr_t dlopen4029(char*, int);
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extern uintptr_t dlsym4029(uintptr_t, char*);
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extern int dlclose4029(uintptr_t);
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extern void call4029(uintptr_t arg);
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*/
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import "C"
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import (
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"testing"
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)
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var callbacks int
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//export IMPIsOpaque
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func IMPIsOpaque() {
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callbacks++
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}
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//export IMPInitWithFrame
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func IMPInitWithFrame() {
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callbacks++
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}
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//export IMPDrawRect
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func IMPDrawRect() {
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callbacks++
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}
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//export IMPWindowResize
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func IMPWindowResize() {
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callbacks++
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}
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func test4029(t *testing.T) {
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loadThySelf(t, "IMPWindowResize")
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loadThySelf(t, "IMPDrawRect")
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loadThySelf(t, "IMPInitWithFrame")
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loadThySelf(t, "IMPIsOpaque")
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if callbacks != 4 {
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t.Errorf("got %d callbacks, expected 4", callbacks)
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}
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}
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func loadThySelf(t *testing.T, symbol string) {
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this_process := C.dlopen4029(nil, C.RTLD_NOW)
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if this_process == 0 {
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t.Error("dlopen:", C.GoString(C.dlerror()))
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return
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}
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defer C.dlclose4029(this_process)
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symbol_address := C.dlsym4029(this_process, C.CString(symbol))
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if symbol_address == 0 {
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t.Error("dlsym:", C.GoString(C.dlerror()))
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return
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}
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t.Log(symbol, symbol_address)
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C.call4029(symbol_address)
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}
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