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authorOleg Nesterov <oleg@redhat.com>2009-12-15 16:47:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 07:20:08 -0800
commit25baa35befeebe6a4a8d8d12a4fc5b95918bda54 (patch)
tree5634f996ac4e2067d2e1cc21b955eafbf9adb581 /arch/powerpc/kernel/traps.c
parent85ec7fd9f8e528c4f61d595cfe4df7681a19f252 (diff)
ptrace: powerpc: implement user_single_step_siginfo()
Suggested by Roland. Implement user_single_step_siginfo() for powerpc. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Roland McGrath <roland@redhat.com> Cc: <linux-arch@vger.kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
-rw-r--r--arch/powerpc/kernel/traps.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 804f0f30f22..d069ff8a7e0 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -174,6 +174,15 @@ int die(const char *str, struct pt_regs *regs, long err)
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;