[arm64] Fix the handler block trampoline, it didn't actually call the helper function.

diff --git a/mono/mini/tramp-arm64.c b/mono/mini/tramp-arm64.c
index cf4057a9434aba6890c5863629d39bb761c0cb3e..7bacbab79dd46171404c078d90abb7a3a5be5ccc 100644 (file)
--- a/mono/mini/tramp-arm64.c
+++ b/mono/mini/tramp-arm64.c
@@ -539,14 +539,16 @@ mono_arch_create_handler_block_trampoline (MonoTrampInfo **info, gboolean aot)
        /*
         * We are in a method frame after the call emitted by OP_CALL_HANDLER.
         */
+       /* Call a helper to obtain jit_tls->handler_block_return_address */
        if (aot)
                code = mono_arm_emit_aotconst (&ji, code, buf, ARMREG_IP0, MONO_PATCH_INFO_JIT_ICALL_ADDR, "mono_arm_handler_block_trampoline_helper");
        else
                code = mono_arm_emit_imm64 (code, ARMREG_IP0, (guint64)mono_arm_handler_block_trampoline_helper);
+       arm_blrx (code, ARMREG_IP0);
        /* Set it as the return address so the trampoline will return to it */
        arm_movx (code, ARMREG_LR, ARMREG_IP0);
 
-       /* Call the trampoline */
+       /* Call the C trampoline function */
        if (aot) {
                char *name = g_strdup_printf ("trampoline_func_%d", MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD);
                code = mono_arm_emit_aotconst (&ji, code, buf, ARMREG_IP0, MONO_PATCH_INFO_JIT_ICALL_ADDR, name);