Add support for aarch64

meson.build

@@ -35,6 +35,9 @@ conf = configuration_data()
 if os == 'gnu' and arch == 'amd64'
   ptr_size = 8
   func_ptr_size = 8
+elif os == 'gnu' and arch == 'aarch64'
+  ptr_size = 8
+  func_ptr_size = 8
 endif
 
 conf.set('POINTER_SIZE', ptr_size)

src/dynafunc_aarch64_gnu.S

@@ -0,0 +1,31 @@
+/* Copyright 2022, Michele Santullo
+ * This file is part of wrenpp.
+ *
+ * Wrenpp is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Wrenpp is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with wrenpp.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#as --march=generic64 -o dynafunc.o ~/dev/code/cpp/wrentest/src/dynafunc.asm
+#objcopy -j .text -O binary dynafunc.o dynafunc.bin
+#xxd -i dynafunc.bin
+
+.global g_dynafunc
+.global g_dynafunc_end
+
+g_dynafunc:
+	ldr x0, .+12
+	ldr x9, .+16
+	br x9
+	.dword 0xdeadbeefdeadbeef //function parameter
+	.dword 0xbadc0ffee0ddf00d //function pointer
+g_dynafunc_end: