forked from OSchip/llvm-project
70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
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#include "java.h"
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int const kHeapSize = 1024 * 1024;
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static void verify_find(jptr from, jptr to, jptr expected_addr,
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jptr expected_size) {
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jptr addr = from;
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jptr size = __tsan_java_find(&addr, to);
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if (expected_size) {
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if (!size) {
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fprintf(stderr, "FAILED: range: [%p..%p): found nothing\n", (void *)from,
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(void *)to);
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return;
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} else if (expected_size != size) {
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fprintf(stderr, "FAILED: range: [%p..%p): wrong size, %lu instead of %lu\n",
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(void *)from, (void *)to, size, expected_size);
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return;
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}
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} else if (size) {
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fprintf(stderr,
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"FAILED: range [%p..%p): did not expect to find anything here\n",
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(void *)from, (void *)to);
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return;
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} else {
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return;
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}
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if (expected_addr != addr) {
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fprintf(
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stderr,
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"FAILED: range [%p..%p): expected to find object at %p, found at %p\n",
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(void *)from, (void *)to, (void *)expected_addr, (void *)addr);
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}
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}
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int main() {
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const jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
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const jptr jheap_end = jheap + kHeapSize;
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__tsan_java_init(jheap, kHeapSize);
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const jptr addr1 = jheap;
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const int size1 = 16;
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__tsan_java_alloc(jheap, size1);
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const jptr addr2 = addr1 + size1;
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const int size2 = 32;
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__tsan_java_alloc(jheap + size1, size2);
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const jptr addr3 = addr2 + size2;
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const int size3 = 1024;
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__tsan_java_alloc(jheap + size1 + size2, size3);
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const jptr addr4 = addr3 + size3;
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verify_find(jheap, jheap_end, addr1, size1);
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verify_find(jheap + 8, jheap_end, addr2, size2);
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verify_find(addr2 + 8, jheap_end, addr3, size3);
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verify_find(addr3 + 8, jheap_end, 0, 0);
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__tsan_java_move(addr2, addr4, size2);
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verify_find(jheap + 8, jheap_end, addr3, size3);
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verify_find(addr3 + 8, jheap_end, addr4, size2);
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verify_find(addr4 + 8, jheap_end, 0, 0);
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fprintf(stderr, "DONE\n");
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return 0;
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}
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// CHECK-NOT: FAILED
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// CHECK: DONE
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