[src/trunk]: src/sys/arch/sh3/include Provide PTRACE_ILLEGAL_ASM, using an il...

[maya <maya%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cdd28e5d6433
branches:  trunk
changeset: 455024:cdd28e5d6433
user:      maya <maya%NetBSD.org@localhost>
date:      Fri Oct 04 15:25:30 2019 +0000

description:
Provide PTRACE_ILLEGAL_ASM, using an illegal slot instruction

diffstat:

 sys/arch/sh3/include/ptrace.h |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (18 lines):

diff -r 511ab60066d4 -r cdd28e5d6433 sys/arch/sh3/include/ptrace.h
--- a/sys/arch/sh3/include/ptrace.h     Fri Oct 04 14:17:07 2019 +0000
+++ b/sys/arch/sh3/include/ptrace.h     Fri Oct 04 15:25:30 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ptrace.h,v 1.15 2019/06/18 21:18:13 kamil Exp $        */
+/*     $NetBSD: ptrace.h,v 1.16 2019/10/04 15:25:30 maya Exp $ */
 
 /*
  * Copyright (c) 1993 Christopher G. Demetriou
@@ -72,6 +72,8 @@
 #define PTRACE_REG_SP(r)       r->r_r15
 #define PTRACE_REG_INTV(r)     r->r_r0
 
+#define PTRACE_ILLEGAL_ASM     __asm __volatile ("0: bra 0b; bra 0b" : : : "memory")
+
 #define PTRACE_BREAKPOINT_TRAP 0xc3
 #define PTRACE_BREAKPOINT      ((const uint8_t[]) { 0xc3, 0xc3 })
 #define PTRACE_BREAKPOINT_ASM  __asm __volatile("trapa %0" :: "i"(PTRACE_BREAKPOINT_TRAP))