llvm-project/compiler-rt/lib/tsan/go/test.c

90 lines
2.7 KiB
C

//===-- test.c ------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Sanity test for Go runtime.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <stdlib.h>
void __tsan_init(void **thr, void **proc, void (*cb)(long, void*));
void __tsan_fini();
void __tsan_map_shadow(void *addr, unsigned long size);
void __tsan_go_start(void *thr, void **chthr, void *pc);
void __tsan_go_end(void *thr);
void __tsan_proc_create(void **pproc);
void __tsan_proc_destroy(void *proc);
void __tsan_proc_wire(void *proc, void *thr);
void __tsan_proc_unwire(void *proc, void *thr);
void __tsan_read(void *thr, void *addr, void *pc);
void __tsan_write(void *thr, void *addr, void *pc);
void __tsan_func_enter(void *thr, void *pc);
void __tsan_func_exit(void *thr);
void __tsan_malloc(void *thr, void *pc, void *p, unsigned long sz);
void __tsan_free(void *p, unsigned long sz);
void __tsan_acquire(void *thr, void *addr);
void __tsan_release(void *thr, void *addr);
void __tsan_release_merge(void *thr, void *addr);
void *current_proc;
void symbolize_cb(long cmd, void *ctx) {
switch (cmd) {
case 0:
if (current_proc == 0)
abort();
*(void**)ctx = current_proc;
}
}
char buf0[100<<10];
void foobar() {}
void barfoo() {}
int main(void) {
void *thr0 = 0;
void *proc0 = 0;
__tsan_init(&thr0, &proc0, symbolize_cb);
current_proc = proc0;
char *buf = (char*)((unsigned long)buf0 + (64<<10) - 1 & ~((64<<10) - 1));
__tsan_map_shadow(buf, 4096);
__tsan_malloc(thr0, (char*)&barfoo + 1, buf, 10);
__tsan_free(buf, 10);
__tsan_func_enter(thr0, (char*)&main + 1);
__tsan_malloc(thr0, (char*)&barfoo + 1, buf, 10);
__tsan_release(thr0, buf);
__tsan_release_merge(thr0, buf);
void *thr1 = 0;
__tsan_go_start(thr0, &thr1, (char*)&barfoo + 1);
void *thr2 = 0;
__tsan_go_start(thr0, &thr2, (char*)&barfoo + 1);
__tsan_func_exit(thr0);
__tsan_func_enter(thr1, (char*)&foobar + 1);
__tsan_func_enter(thr1, (char*)&foobar + 1);
__tsan_write(thr1, buf, (char*)&barfoo + 1);
__tsan_acquire(thr1, buf);
__tsan_func_exit(thr1);
__tsan_func_exit(thr1);
__tsan_go_end(thr1);
void *proc1 = 0;
__tsan_proc_create(&proc1);
current_proc = proc1;
__tsan_func_enter(thr2, (char*)&foobar + 1);
__tsan_read(thr2, buf, (char*)&barfoo + 1);
__tsan_free(buf, 10);
__tsan_func_exit(thr2);
__tsan_go_end(thr2);
__tsan_proc_destroy(proc1);
current_proc = proc0;
__tsan_fini();
return 0;
}