From 74d5faa86e1bd1fc678ae3e5aee49e8445470002 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Sun, 18 Dec 2011 14:40:15 -0800
Subject: [PATCH] rt: Give each platform its own red zone definition

---
 src/rt/rust_task.cpp | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/src/rt/rust_task.cpp b/src/rt/rust_task.cpp
index 3cb553bcd7b..1a1a26fe73d 100644
--- a/src/rt/rust_task.cpp
+++ b/src/rt/rust_task.cpp
@@ -18,12 +18,35 @@
 // The amount of extra space at the end of each stack segment, available
 // to the rt, compiler and dynamic linker for running small functions
 // FIXME: We want this to be 128 but need to slim the red zone calls down
-#ifdef __i386__
-#define RED_ZONE_SIZE 1024*20
-#endif
+#define RZ_LINUX_32 1024*20
+#define RZ_LINUX_64 1024*20
+#define RZ_MAC_32   1024*20
+#define RZ_MAC_64   1024*20
+#define RZ_WIN_32   1024*20
 
+#ifdef __linux__
+#ifdef __i386__
+#define RED_ZONE_SIZE RZ_LINUX_32
+#endif
 #ifdef __x86_64__
-#define RED_ZONE_SIZE 1024*20
+#define RED_ZONE_SIZE RZ_LINUX_64
+#endif
+#endif
+#ifdef __APPLE__
+#ifdef __i386__
+#define RED_ZONE_SIZE RZ_MAC_32
+#endif
+#ifdef __x86_64__
+#define RED_ZONE_SIZE RZ_MAC_64
+#endif
+#endif
+#ifdef __WIN32__
+#ifdef __i386__
+#define RED_ZONE_SIZE RZ_WIN_32
+#endif
+#ifdef __x86_64__
+#define RED_ZONE_SIZE RZ_WIN_64
+#endif
 #endif
 
 // Stack size