From 1a69f7a161a78aead07cd4b811d796950e892fa4 Mon Sep 17 00:00:00 2001 From: Qing Zhang Date: Sat, 25 Feb 2023 15:52:57 +0800 Subject: LoongArch: ptrace: Expose hardware breakpoints to debuggers Implement the regset-based ptrace interface that exposes hardware breakpoints to user-space debuggers to query and set instruction and data breakpoints. Signed-off-by: Qing Zhang Signed-off-by: Huacai Chen --- arch/loongarch/include/uapi/asm/ptrace.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/loongarch/include/uapi') diff --git a/arch/loongarch/include/uapi/asm/ptrace.h b/arch/loongarch/include/uapi/asm/ptrace.h index 083193f4a5d5..cc48ed262021 100644 --- a/arch/loongarch/include/uapi/asm/ptrace.h +++ b/arch/loongarch/include/uapi/asm/ptrace.h @@ -46,6 +46,15 @@ struct user_fp_state { uint32_t fcsr; }; +struct user_watch_state { + uint16_t dbg_info; + struct { + uint64_t addr; + uint64_t mask; + uint32_t ctrl; + } dbg_regs[8]; +}; + #define PTRACE_SYSEMU 0x1f #define PTRACE_SYSEMU_SINGLESTEP 0x20 -- cgit v1.2.3