Allocate 32 bit memory on OSX/x64 with mmap() hinting.

Must set -pagezero_size, otherwise the lower 4GB are blocked.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/Makefile b/src/Makefile
index a9ad8eb9..9a071246 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -227,6 +227,9 @@ ifeq (Darwin,$(TARGET_SYS))
     TARGET_DYNXLDOPTS=
     TARGET_XSHLDFLAGS+= -install_name $(PREFIX)/lib/$(TARGET_DYLIBNAME)
   endif
+  ifeq (x64,$(TARGET_CCARCH))
+    TARGET_XLDFLAGS+= -pagezero_size 10000 -image_base 100000000
+  endif
 else
   TARGET_XLDFLAGS+= -Wl,-E
   ifeq (Linux,$(TARGET_SYS))