From 8f6bb793b2be82f1f73bfb416486f156f70b4314 Mon Sep 17 00:00:00 2001 From: Guo Ren Date: Thu, 2 Apr 2020 19:52:27 +0800 Subject: csky: Add uprobes support This patch adds support for uprobes on csky architecture. Just like kprobe, it support single-step and simulate instructions. Signed-off-by: Guo Ren Cc: Arnd Bergmann Cc: Steven Rostedt (VMware) --- arch/csky/kernel/traps.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/csky/kernel/traps.c') diff --git a/arch/csky/kernel/traps.c b/arch/csky/kernel/traps.c index c6a40806977f..fcc3a69831ad 100644 --- a/arch/csky/kernel/traps.c +++ b/arch/csky/kernel/traps.c @@ -129,6 +129,10 @@ asmlinkage void trap_c(struct pt_regs *regs) #ifdef CONFIG_KPROBES if (kprobe_single_step_handler(regs)) return; +#endif +#ifdef CONFIG_UPROBES + if (uprobe_single_step_handler(regs)) + return; #endif info.si_code = TRAP_TRACE; sig = SIGTRAP; @@ -138,6 +142,10 @@ asmlinkage void trap_c(struct pt_regs *regs) #ifdef CONFIG_KPROBES if (kprobe_breakpoint_handler(regs)) return; +#endif +#ifdef CONFIG_UPROBES + if (uprobe_breakpoint_handler(regs)) + return; #endif die_if_kernel("Kernel mode ILLEGAL", regs, vector); #ifndef CONFIG_CPU_NO_USER_BKPT -- cgit v1.2.3