---

yaml
---
r: 77673
b: refs/heads/master
c: a35bfa2
h: refs/heads/master
i:
  77671: f32b6c8
v: v3

Author: klutzy

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 5118ef6ff02c650e54fc89318e7183e4e1cd3fa3
+refs/heads/master: a35bfa2e9bc73cbdd420588dd098f91cd7afa172
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 60fba4d7d677ec098e6a43014132fe99f7547363
 refs/heads/try: ebfe63cd1c0b5d23f7ea60c69b4fde2e30cfd42a

trunk/src/rt/arch/x86_64/sp.h

@@ -43,6 +43,10 @@ extern "C" CDECL ALWAYS_INLINE uintptr_t get_sp_limit() {
     asm volatile (
         "movq %%fs:24, %0"
         : "=r"(limit));
+#elif defined(_WIN64)
+    asm volatile (
+        "movq %%gs:0x28, %0"
+        : "=r"(limit));
 #endif
 
     return limit;
@@ -65,6 +69,10 @@ extern "C" CDECL ALWAYS_INLINE void record_sp_limit(void *limit) {
     asm volatile (
         "movq %0, %%fs:24"
         :: "r"(limit));
+#elif defined(_WIN64)
+    asm volatile (
+        "movq %0, %%gs:0x28"
+        :: "r"(limit));
 #endif
 }