https://git.ruby-lang.org/ruby.git/commit/?id=3813bb4152

From 3813bb41524a1e2f0b08b6e2f1213ba46477a5f7 Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@g...>
Date: Fri, 29 Jan 2021 23:43:35 +0000
Subject: vm_dump: dump registers for Mac M1

---
 vm_dump.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/vm_dump.c b/vm_dump.c
index 539e394..ae3cbb4 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -785,7 +785,7 @@ rb_print_backtrace(void) https://github.com/ruby/ruby/blob/trunk/vm_dump.c#L785
 #  define HAVE_PRINT_MACHINE_REGISTERS 1
 # endif
 #elif defined __APPLE__
-# if defined __x86_64__ || defined __i386__
+# if defined __x86_64__ || defined __i386__ || defined __aarch64__
 #  define HAVE_PRINT_MACHINE_REGISTERS 1
 # endif
 #endif
@@ -949,6 +949,28 @@ rb_dump_machine_register(const ucontext_t *ctx) https://github.com/ruby/ruby/blob/trunk/vm_dump.c#L949
 	dump_machine_register(es);
 	dump_machine_register(fs);
 	dump_machine_register(gs);
+#   elif defined __aarch64__
+	dump_machine_register(x[0]);
+	dump_machine_register(x[1]);
+	dump_machine_register(x[2]);
+	dump_machine_register(x[3]);
+	dump_machine_register(x[4]);
+	dump_machine_register(x[5]);
+	dump_machine_register(x[6]);
+	dump_machine_register(x[7]);
+	dump_machine_register(x[18]);
+	dump_machine_register(x[19]);
+	dump_machine_register(x[20]);
+	dump_machine_register(x[21]);
+	dump_machine_register(x[22]);
+	dump_machine_register(x[23]);
+	dump_machine_register(x[24]);
+	dump_machine_register(x[25]);
+	dump_machine_register(x[26]);
+	dump_machine_register(x[27]);
+	dump_machine_register(x[28]);
+	dump_machine_register(fp);
+	dump_machine_register(sp);
 #   endif
     }
 # endif
-- 
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