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| author | Qing Zhang <zhangqing@loongson.cn> | 2023-02-25 15:52:57 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-02-25 22:12:17 +0800 |
| commit | 1a69f7a161a78aead07cd4b811d796950e892fa4 (patch) | |
| tree | c5fc4f8eacaf302b0ce9a14a400c77f28e25a3d6 /arch/loongarch/include/uapi | |
| parent | edffa33c7bb5a73e90c754c7a497162b77d7c55f (diff) | |
| download | linux-1a69f7a161a78aead07cd4b811d796950e892fa4.tar.gz linux-1a69f7a161a78aead07cd4b811d796950e892fa4.tar.bz2 linux-1a69f7a161a78aead07cd4b811d796950e892fa4.zip | |
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 <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/uapi')
| -rw-r--r-- | arch/loongarch/include/uapi/asm/ptrace.h | 9 |
1 files changed, 9 insertions, 0 deletions
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 |