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Date: Wed, 11 Nov 2009 22:31:58 +0100 From: Oleg Nesterov <oleg@...hat.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>, Roland McGrath <roland@...hat.com>, linux-kernel@...r.kernel.org Subject: [PATCH 2/5] ptrace: powerpc: implement user_single_step_siginfo() Suggested by Roland. Implement user_single_step_siginfo() for powerpc. Signed-off-by: Oleg Nesterov <oleg@...hat.com> Acked-by: Roland McGrath <roland@...hat.com> --- arch/powerpc/include/asm/ptrace.h | 2 ++ arch/powerpc/kernel/traps.c | 9 +++++++++ 2 files changed, 11 insertions(+) --- TH/arch/powerpc/include/asm/ptrace.h~2_PPC_HELPER 2009-11-10 01:03:23.000000000 +0100 +++ TH/arch/powerpc/include/asm/ptrace.h 2009-11-10 21:48:53.000000000 +0100 @@ -140,6 +140,8 @@ extern void user_enable_single_step(stru extern void user_enable_block_step(struct task_struct *); extern void user_disable_single_step(struct task_struct *); +#define ARCH_HAS_USER_SINGLE_STEP_INFO + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ --- TH/arch/powerpc/kernel/traps.c~2_PPC_HELPER 2009-11-10 01:06:41.000000000 +0100 +++ TH/arch/powerpc/kernel/traps.c 2009-11-10 21:52:45.000000000 +0100 @@ -174,6 +174,15 @@ int die(const char *str, struct pt_regs return 0; } +void user_single_step_siginfo(struct task_struct *tsk, + struct pt_regs *regs, siginfo_t *info) +{ + memset(info, 0, sizeof(*info)); + info->si_signo = SIGTRAP; + info->si_code = TRAP_TRACE; + info->si_addr = (void __user *)regs->nip; +} + void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) { siginfo_t info; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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