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      1 //===-- test.c ------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // Sanity test for Go runtime.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include <stdio.h>
     15 
     16 void __tsan_init(void **thr, void (*cb)(void*));
     17 void __tsan_fini();
     18 void __tsan_map_shadow(void *addr, unsigned long size);
     19 void __tsan_go_start(void *thr, void **chthr, void *pc);
     20 void __tsan_go_end(void *thr);
     21 void __tsan_read(void *thr, void *addr, void *pc);
     22 void __tsan_write(void *thr, void *addr, void *pc);
     23 void __tsan_func_enter(void *thr, void *pc);
     24 void __tsan_func_exit(void *thr);
     25 void __tsan_malloc(void *p, unsigned long sz);
     26 void __tsan_acquire(void *thr, void *addr);
     27 void __tsan_release(void *thr, void *addr);
     28 void __tsan_release_merge(void *thr, void *addr);
     29 
     30 void symbolize_cb(void *ctx) {}
     31 
     32 char buf0[100<<10];
     33 
     34 void foobar() {}
     35 void barfoo() {}
     36 
     37 int main(void) {
     38   void *thr0 = 0;
     39   char *buf = (char*)((unsigned long)buf0 + (64<<10) - 1 & ~((64<<10) - 1));
     40   __tsan_malloc(buf, 10);
     41   __tsan_init(&thr0, symbolize_cb);
     42   __tsan_map_shadow(buf, 4096);
     43   __tsan_func_enter(thr0, (char*)&main + 1);
     44   __tsan_malloc(buf, 10);
     45   __tsan_release(thr0, buf);
     46   __tsan_release_merge(thr0, buf);
     47   void *thr1 = 0;
     48   __tsan_go_start(thr0, &thr1, (char*)&barfoo + 1);
     49   void *thr2 = 0;
     50   __tsan_go_start(thr0, &thr2, (char*)&barfoo + 1);
     51   __tsan_func_enter(thr1, (char*)&foobar + 1);
     52   __tsan_func_enter(thr1, (char*)&foobar + 1);
     53   __tsan_write(thr1, buf, (char*)&barfoo + 1);
     54   __tsan_acquire(thr1, buf);
     55   __tsan_func_exit(thr1);
     56   __tsan_func_exit(thr1);
     57   __tsan_go_end(thr1);
     58   __tsan_func_enter(thr2, (char*)&foobar + 1);
     59   __tsan_read(thr2, buf, (char*)&barfoo + 1);
     60   __tsan_func_exit(thr2);
     61   __tsan_go_end(thr2);
     62   __tsan_func_exit(thr0);
     63   __tsan_fini();
     64   return 0;
     65 }
     66