Module Name: src
Committed By: rin
Date: Thu Aug 24 05:40:08 UTC 2023
Modified Files:
src/sys/arch/riscv/include: ptrace.h
Log Message:
riscv: Add PTRACE_BREAKPOINT and friends for ATF
Since its size must be determined a priori, explicitly use
c.ebreak for sure.
Now, related tests in ATF successfully pass for riscv64,
as far as I can see.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/riscv/include/ptrace.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/riscv/include/ptrace.h
diff -u src/sys/arch/riscv/include/ptrace.h:1.3 src/sys/arch/riscv/include/ptrace.h:1.4
--- src/sys/arch/riscv/include/ptrace.h:1.3 Tue Jun 18 21:18:12 2019
+++ src/sys/arch/riscv/include/ptrace.h Thu Aug 24 05:40:08 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: ptrace.h,v 1.3 2019/06/18 21:18:12 kamil Exp $ */
+/* $NetBSD: ptrace.h,v 1.4 2023/08/24 05:40:08 rin Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -54,4 +54,8 @@
#define PTRACE_REG_SP(r) (r)->r_reg[1]
#define PTRACE_REG_INTRV(r) (r)->r_reg[9]
+#define PTRACE_BREAKPOINT ((const uint8_t[]) { 0x02, 0x90 })
+#define PTRACE_BREAKPOINT_ASM __asm __volatile("c.ebreak" ::: "memory")
+#define PTRACE_BREAKPOINT_SIZE 2
+
#endif /* _RISCV_PTRACE_H_ */
