Merge branch 'master' into 'master'

Add BTI landing pads for aarch64

See merge request glvnd/libglvnd!262

src/GLX/glvnd_genentry.c

@@ -90,6 +90,7 @@ extern char glx_entrypoint_end[];
 
 #define STUB_SIZE 16
 #define STUB_ASM_ARCH(slot) \
+    "hint #34\n" \
     "adrp x16, entrypointFunctions + " slot "*8\n" \
     "ldr x16, [x16, #:lo12:(entrypointFunctions + " slot "*8)]\n" \
     "br x16\n"

src/GLdispatch/vnd-glapi/entry_aarch64_tsd.c

@@ -69,6 +69,7 @@
  * table then does a branch without link to the function address.
  */
 #define STUB_ASM_CODE(slot)                           \
+    "hint #34\n\t"                                    \
     "stp x1, x0, [sp, #-16]!\n\t"                     \
     "adrp x0, :got:_glapi_Current\n\t"                \
     "ldr x0, [x0, #:got_lo12:_glapi_Current]\n\t"     \