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-rw-r--r--nsprpub/lib/ds/plarena.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/nsprpub/lib/ds/plarena.h b/nsprpub/lib/ds/plarena.h
index 5336a0e4d..0ca00c0ac 100644
--- a/nsprpub/lib/ds/plarena.h
+++ b/nsprpub/lib/ds/plarena.h
@@ -95,13 +95,24 @@ struct PLArenaPool {
#if defined(PL_SANITIZE_ADDRESS)
+#if defined(_MSC_VER)
+/* We can't use dllimport due to DLL linkage mismatch with
+ * sanitizer/asan_interface.h.
+ */
+#define PL_ASAN_VISIBILITY(type_) type_
+#else
+#define PL_ASAN_VISIBILITY(type_) PR_IMPORT(type_)
+#endif
+
/* These definitions are usually provided through the
* sanitizer/asan_interface.h header installed by ASan.
* See https://github.com/google/sanitizers/wiki/AddressSanitizerManualPoisoning
*/
-PR_IMPORT(void) __asan_poison_memory_region(void const volatile *addr, size_t size);
-PR_IMPORT(void) __asan_unpoison_memory_region(void const volatile *addr, size_t size);
+PL_ASAN_VISIBILITY(void) __asan_poison_memory_region(
+ void const volatile *addr, size_t size);
+PL_ASAN_VISIBILITY(void) __asan_unpoison_memory_region(
+ void const volatile *addr, size_t size);
#define PL_MAKE_MEM_NOACCESS(addr, size) \
__asan_poison_memory_region((addr), (size))