libgo/misc/cgo/testcshared/main0.c

   1 // Copyright 2015 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 #include <stdint.h>
   6 #include <stdio.h>
   7
   8 #include "p.h"
   9 #include "libgo.h"
  10
  11 // Tests libgo.so to export the following functions.
  12 //   int8_t DidInitRun();
  13 //   int8_t DidMainRun();
  14 //   int32_t FromPkg();
  15 //   uint32_t Divu(uint32_t, uint32_t);
  16 int main(void) {
  17   int8_t ran_init = DidInitRun();
  18   if (!ran_init) {
  19     fprintf(stderr, "ERROR: DidInitRun returned unexpected results: %d\n",
  20             ran_init);
  21     return 1;
  22   }
  23   int8_t ran_main = DidMainRun();
  24   if (ran_main) {
  25     fprintf(stderr, "ERROR: DidMainRun returned unexpected results: %d\n",
  26             ran_main);
  27     return 1;
  28   }
  29   int32_t from_pkg = FromPkg();
  30   if (from_pkg != 1024) {
  31     fprintf(stderr, "ERROR: FromPkg=%d, want %d\n", from_pkg, 1024);
  32     return 1;
  33   }
  34   uint32_t divu = Divu(2264, 31);
  35   if (divu != 73) {
  36     fprintf(stderr, "ERROR: Divu(2264, 31)=%d, want %d\n", divu, 73);
  37     return 1;
  38   }
  39   // test.bash looks for "PASS" to ensure this program has reached the end.
  40   printf("PASS\n");
  41   return 0;
  42 }