Imported Upstream version 1.6.0+dfsg1

[rustc.git] / src / compiler-rt / test / tsan / mmap_large.cc

diff --git a/src/compiler-rt/test/tsan/mmap_large.cc b/src/compiler-rt/test/tsan/mmap_large.cc
index 44233b0d1941cf4f360d0b12ee18e2cee238012a..d31ea3603dc553a8ce16689d57e1b4a84473d6c9 100644 (file)
--- a/src/compiler-rt/test/tsan/mmap_large.cc
+++ b/src/compiler-rt/test/tsan/mmap_large.cc
@@ -1,10 +1,22 @@
 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
 #include <stdint.h>
 #include <stdio.h>
+#include <errno.h>
 #include <sys/mman.h>
 
+#if defined(__FreeBSD__)
+// The MAP_NORESERVE define has been removed in FreeBSD 11.x, and even before
+// that, it was never implemented.  So just define it to zero.
+#undef  MAP_NORESERVE
+#define MAP_NORESERVE 0
+#endif
+
 int main() {
-  const size_t kLog2Size = 40;
+#ifdef __x86_64__
+  const size_t kLog2Size = 39;
+#elif defined(__mips64) || defined(__aarch64__)
+  const size_t kLog2Size = 32;
+#endif
   const uintptr_t kLocation = 0x40ULL << kLog2Size;
   void *p = mmap(
       reinterpret_cast<void*>(kLocation),
@@ -12,7 +24,7 @@ int main() {
       PROT_READ|PROT_WRITE,
       MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE,
       -1, 0);
-  fprintf(stderr, "DONE %p\n", p);
+  fprintf(stderr, "DONE %p %d\n", p, errno);
   return p == MAP_FAILED;
 }