arm64: 9999 BRK works again

[factor.git] / basis / bootstrap / assembler / arm.64.factor

diff --git a/basis/bootstrap/assembler/arm.64.factor b/basis/bootstrap/assembler/arm.64.factor
index 311def2a9e7e50cacc9bdcfd98a2f26457dbb0a3..6079c7a0c9dba7498874f6f9fee9cd605f88b26a 100644 (file)
--- a/basis/bootstrap/assembler/arm.64.factor
+++ b/basis/bootstrap/assembler/arm.64.factor
@@ -300,6 +300,9 @@ big-endian off
 ! # All arm.64 subprimitives
 {
     { c-to-factor [
+            ! Set up the datastack and retainstack registers
+            ! and jump into the quotation
+
 
             ! write()
             ! 68 X8 MOVwi64
@@ -444,6 +447,8 @@ big-endian off
 
 ! C to Factor entry point
 [
+
+    9999 BRK
     ! ! Optimizing compiler's side of callback accesses
     ! ! arguments that are on the stack via the frame pointer.
     ! ! On x86-32 fastcall, and x86-64, some arguments are passed
@@ -598,6 +603,8 @@ big-endian off
     ! temp0 word-entry-point-offset [+] JMP
 ] JIT-EXECUTE jit-define
 
+
+! https://elixir.bootlin.com/linux/latest/source/arch/arm64/kernel/stacktrace.c#L22
 [
     ! x64 ! stack-reg stack-frame-size bootstrap-cell - SUB