commit 30a41aa1ccc47de41642308a243fa5df2bfeec06
author Jesse Hall <jessehall@google.com> Fri May 30 23:32:12 2014 -0700
committer Jesse Hall <jessehall@google.com> Fri Jun 06 16:31:53 2014 -0700
tree e8c137e767954a917f5c2323c470c7e88f49cb76
parent e86420e399993e0f49e5d7733b5fc87eb9fe179b

Add aarch64 EGL/GLES trampolines

Change-Id: Ia90e18d26ff3bdb7e643aff8d77cbaddd2ac2a03

opengl/libs/EGL/getProcAddress.cpp

diff --git a/opengl/libs/EGL/getProcAddress.cpp b/opengl/libs/EGL/getProcAddress.cpp
index 5470d81..fc61134 100644
--- a/opengl/libs/EGL/getProcAddress.cpp
+++ b/opengl/libs/EGL/getProcAddress.cpp
@@ -53,9 +53,29 @@
             : [tls] "J"(TLS_SLOT_OPENGL_API*4),                 \
               [api] "J"(__builtin_offsetof(gl_hooks_t,          \
                                       ext.extensions[_api]))    \
-            :                                                   \
+            : "r12"                                             \
             );
 
+#elif defined(__aarch64__)
+
+    #define API_ENTRY(_api) __attribute__((noinline)) _api
+
+    #define CALL_GL_EXTENSION_API(_api)                             \
+        asm volatile(                                               \
+            "mrs x16, tpidr_el0\n"                                  \
+            "ldr x16, [x16, %[tls]]\n"                              \
+            "cbz x16, 1f\n"                                         \
+            "ldr x16, [x16, %[api]]\n"                              \
+            "cbz x16, 1f\n"                                         \
+            "br  x16\n"                                             \
+            "1:\n"                                                  \
+            :                                                       \
+            : [tls] "i" (TLS_SLOT_OPENGL_API * sizeof(void*)),      \
+              [api] "i" (__builtin_offsetof(gl_hooks_t,             \
+                                        ext.extensions[_api]))      \
+            : "x16"                                                 \
+        );
+
 #elif defined(__i386__)
 
     #define API_ENTRY(_api) __attribute__((noinline)) _api