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// 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.
#include <stdint.h>
#include <stdio.h>
#include <dlfcn.h>
int check_int8(void* handle, const char* fname, int8_t want) {
int8_t (*fn)();
fn = (int8_t (*)())dlsym(handle, fname);
if (!fn) {
fprintf(stderr, "ERROR: missing %s: %s\n", fname, dlerror());
return 1;
}
signed char ret = fn();
if (ret != want) {
fprintf(stderr, "ERROR: %s=%d, want %d\n", fname, ret, want);
return 1;
}
return 0;
}
int check_int32(void* handle, const char* fname, int32_t want) {
int32_t (*fn)();
fn = (int32_t (*)())dlsym(handle, fname);
if (!fn) {
fprintf(stderr, "ERROR: missing %s: %s\n", fname, dlerror());
return 1;
}
int32_t ret = fn();
if (ret != want) {
fprintf(stderr, "ERROR: %s=%d, want %d\n", fname, ret, want);
return 1;
}
return 0;
}
// Tests libgo.so to export the following functions.
// int8_t DidInitRun() // returns true
// int8_t DidMainRun() // returns true
// int32_t FromPkg() // returns 1024
int main(int argc, char** argv) {
void* handle = dlopen(argv[1], RTLD_LAZY | RTLD_GLOBAL);
if (!handle) {
fprintf(stderr, "ERROR: failed to open the shared library: %s\n",
dlerror());
return 2;
}
int ret = 0;
ret = check_int8(handle, "DidInitRun", 1);
if (ret != 0) {
return ret;
}
ret = check_int8(handle, "DidMainRun", 0);
if (ret != 0) {
return ret;
}
ret = check_int32(handle, "FromPkg", 1024);
if (ret != 0) {
return ret;
}
// test.bash looks for "PASS" to ensure this program has reached the end.
printf("PASS\n");
return 0;
}