Home | History | Annotate | Download | only in go 
      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 #include <stdlib.h>
     16 
     17 void __tsan_init(void **thr, void **proc, void (*cb)(long, void*));
     18 void __tsan_fini();
     19 void __tsan_map_shadow(void *addr, unsigned long size);
     20 void __tsan_go_start(void *thr, void **chthr, void *pc);
     21 void __tsan_go_end(void *thr);
     22 void __tsan_proc_create(void **pproc);
     23 void __tsan_proc_destroy(void *proc);
     24 void __tsan_proc_wire(void *proc, void *thr);
     25 void __tsan_proc_unwire(void *proc, void *thr);
     26 void __tsan_read(void *thr, void *addr, void *pc);
     27 void __tsan_write(void *thr, void *addr, void *pc);
     28 void __tsan_func_enter(void *thr, void *pc);
     29 void __tsan_func_exit(void *thr);
     30 void __tsan_malloc(void *thr, void *pc, void *p, unsigned long sz);
     31 void __tsan_free(void *p, unsigned long sz);
     32 void __tsan_acquire(void *thr, void *addr);
     33 void __tsan_release(void *thr, void *addr);
     34 void __tsan_release_merge(void *thr, void *addr);
     35 
     36 void *current_proc;
     37 
     38 void symbolize_cb(long cmd, void *ctx) {
     39   switch (cmd) {
     40   case 0:
     41     if (current_proc == 0)
     42       abort();
     43     *(void**)ctx = current_proc;
     44   }
     45 }
     46 
     47 char buf0[100<<10];
     48 
     49 void foobar() {}
     50 void barfoo() {}
     51 
     52 int main(void) {
     53   void *thr0 = 0;
     54   void *proc0 = 0;
     55   __tsan_init(&thr0, &proc0, symbolize_cb);
     56   current_proc = proc0;
     57   char *buf = (char*)((unsigned long)buf0 + (64<<10) - 1 & ~((64<<10) - 1));
     58   __tsan_map_shadow(buf, 4096);
     59   __tsan_malloc(thr0, (char*)&barfoo + 1, buf, 10);
     60   __tsan_free(buf, 10);
     61   __tsan_func_enter(thr0, (char*)&main + 1);
     62   __tsan_malloc(thr0, (char*)&barfoo + 1, buf, 10);
     63   __tsan_release(thr0, buf);
     64   __tsan_release_merge(thr0, buf);
     65   void *thr1 = 0;
     66   __tsan_go_start(thr0, &thr1, (char*)&barfoo + 1);
     67   void *thr2 = 0;
     68   __tsan_go_start(thr0, &thr2, (char*)&barfoo + 1);
     69   __tsan_func_exit(thr0);
     70   __tsan_func_enter(thr1, (char*)&foobar + 1);
     71   __tsan_func_enter(thr1, (char*)&foobar + 1);
     72   __tsan_write(thr1, buf, (char*)&barfoo + 1);
     73   __tsan_acquire(thr1, buf);
     74   __tsan_func_exit(thr1);
     75   __tsan_func_exit(thr1);
     76   __tsan_go_end(thr1);
     77   void *proc1 = 0;
     78   __tsan_proc_create(&proc1);
     79   current_proc = proc1;
     80   __tsan_func_enter(thr2, (char*)&foobar + 1);
     81   __tsan_read(thr2, buf, (char*)&barfoo + 1);
     82   __tsan_free(buf, 10);
     83   __tsan_func_exit(thr2);
     84   __tsan_go_end(thr2);
     85   __tsan_proc_destroy(proc1);
     86   current_proc = proc0;
     87   __tsan_fini();
     88   return 0;
     89 }
     90