1 files changed, 6 insertions, 25 deletions
diff --git a/js/src/jsnativestack.cpp b/js/src/jsnativestack.cpp
index 166a5a4f7..4e96e01e8 100644
--- a/js/src/jsnativestack.cpp
+++ b/js/src/jsnativestack.cpp
@@ -26,11 +26,7 @@
 #  include <sys/syscall.h>
 #  include <sys/types.h>
 #  include <unistd.h>
-static pid_t
-gettid()
-{
-    return syscall(__NR_gettid);
-}
+#  define gettid() static_cast<pid_t>(syscall(SYS_gettid))
 # endif
 
 #else
@@ -71,33 +67,18 @@ js::GetNativeStackBaseImpl()
 # endif
 }
 
-#elif defined(SOLARIS)
+#elif defined(XP_SOLARIS)
 
 #include <ucontext.h>
 
 JS_STATIC_ASSERT(JS_STACK_GROWTH_DIRECTION < 0);
 
-void*
-js::GetNativeStackBaseImpl()
-{
-    stack_t st;
-    stack_getbounds(&st);
-    return static_cast<char*>(st.ss_sp) + st.ss_size;
-}
-
-#elif defined(AIX)
-
-#include <ucontext.h>
-
-JS_STATIC_ASSERT(JS_STACK_GROWTH_DIRECTION < 0);
-
-void*
+void* 
 js::GetNativeStackBaseImpl()
 {
-    ucontext_t context;
-    getcontext(&context);
-    return static_cast<char*>(context.uc_stack.ss_sp) +
-        context.uc_stack.ss_size;
+	 stack_t st;
+	 stack_getbounds(&st);
+	 return static_cast<char*>(st.ss_sp) + st.ss_size;
 }
 
 #elif defined(XP_LINUX) && !defined(ANDROID) && defined(__GLIBC__)