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make a frame pointer to show a backtrace correctly.

This commit is contained in:
ryo 2022-05-31 07:40:25 +00:00
parent 8279d5c63e
commit 5c1221df4e
1 changed files with 5 additions and 2 deletions
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7
sys/arch/aarch64/aarch64/cpuswitch.S
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@ -1,4 +1,4 @@
/* $NetBSD: cpuswitch.S,v 1.34 2022/05/06 06:09:50 ryo Exp $ */
/* $NetBSD: cpuswitch.S,v 1.35 2022/05/31 07:40:25 ryo Exp $ */
/*-
* Copyright (c) 2014, 2020 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include "opt_ddb.h"
#include "opt_kasan.h"
RCSID("$NetBSD: cpuswitch.S,v 1.34 2022/05/06 06:09:50 ryo Exp $")
RCSID("$NetBSD: cpuswitch.S,v 1.35 2022/05/31 07:40:25 ryo Exp $")
ARMV8_DEFINE_OPTIONS
@ -315,7 +315,10 @@ END(lwp_trampoline)
#ifdef DDB
ENTRY_NP(cpu_Debugger)
stp fp, lr, [sp, #-16]!
mov fp, sp
brk #0xffff
ldp fp, lr, [sp], #16
ret
END(cpu_Debugger)
#endif /* DDB */