try to use MAP_ANON if MAP_ANONYMOUS is not defined
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index ce3007a..b5bd055 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -25,6 +25,9 @@
#endif
//#define XBYAK_USE_MMAP_ALLOCATOR
+#ifndef __GNUC__
+ #undef XBYAK_USE_MMAP_ALLOCATOR
+#endif
// This covers -std=(gnu|c)++(0x|11|1y), -stdlib=libc++, and modern Microsoft.
#if ((defined(_MSC_VER) && (_MSC_VER >= 1600)) || defined(_LIBCPP_VERSION) ||\
@@ -280,9 +283,6 @@
virtual bool useProtect() const { return true; }
};
-#ifndef __GNUC__
- #undef XBYAK_USE_MMAP_ALLOCATOR
-#endif
#ifdef __GNUC__
class MmapAllocator : Allocator {
typedef XBYAK_STD_UNORDERED_MAP<uintptr_t, size_t> SizeList;
@@ -292,7 +292,14 @@
{
const size_t alignedSizeM1 = inner::ALIGN_PAGE_SIZE - 1;
size = (size + alignedSizeM1) & ~alignedSizeM1;
- void *p = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#ifdef MAP_ANONYMOUS
+ const int mode = MAP_PRIVATE | MAP_ANONYMOUS;
+#elif defined(MAP_ANON)
+ const int mode = MAP_PRIVATE | MAP_ANON;
+#else
+ #error "not supported"
+#endif
+ void *p = mmap(NULL, size, PROT_READ | PROT_WRITE, mode, -1, 0);
if (p == MAP_FAILED) throw Error(ERR_CANT_ALLOC);
assert(p);
sizeList_[(uintptr_t)p] = size;
