[src/trunk]: src/sys/arch/powerpc/include Add illegal asm and breakpoint

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

details:   https://anonhg.NetBSD.org/src/rev/e855542215da
branches:  trunk
changeset: 461517:e855542215da
user:      martin <martin%NetBSD.org@localhost>
date:      Fri Nov 29 12:04:32 2019 +0000

description:
Add illegal asm and breakpoint

diffstat:

 sys/arch/powerpc/include/ptrace.h |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (20 lines):

diff -r 3e4c63399323 -r e855542215da sys/arch/powerpc/include/ptrace.h
--- a/sys/arch/powerpc/include/ptrace.h Fri Nov 29 08:30:30 2019 +0000
+++ b/sys/arch/powerpc/include/ptrace.h Fri Nov 29 12:04:32 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ptrace.h,v 1.14 2019/06/18 21:18:12 kamil Exp $        */
+/*     $NetBSD: ptrace.h,v 1.15 2019/11/29 12:04:32 martin Exp $       */
 
 #ifndef _POWERPC_PTRACE_H
 #define        _POWERPC_PTRACE_H
@@ -71,4 +71,10 @@
 #endif /* ALTIVEC || PPC_HAVE_SPE */
 #endif /* _KERNEL */
 
+#define PTRACE_ILLEGAL_ASM     __asm __volatile (".long 0" : : : "memory")
+
+#define PTRACE_BREAKPOINT      ((const uint8_t[]) { 0x7f, 0xe0, 0x00, 0x08 })
+#define PTRACE_BREAKPOINT_ASM  __asm __volatile("trap")
+#define PTRACE_BREAKPOINT_SIZE 4
+
 #endif /* _POWERPC_PTRACE_H */