The patch titled
ptrace: powerpc: implement user_single_step_siginfo()
has been added to the -mm tree. Its filename is
ptrace-powerpc-implement-user_single_step_siginfo.patch
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------------------------------------------------------
Subject: ptrace: powerpc: implement user_single_step_siginfo()
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Suggested by Roland.
Implement user_single_step_siginfo() for powerpc.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Acked-by: Roland McGrath <roland@xxxxxxxxxx>
Cc: <linux-arch@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/include/asm/ptrace.h | 2 ++
arch/powerpc/kernel/traps.c | 9 +++++++++
2 files changed, 11 insertions(+)
diff -puN arch/powerpc/include/asm/ptrace.h~ptrace-powerpc-implement-user_single_step_siginfo arch/powerpc/include/asm/ptrace.h
--- a/arch/powerpc/include/asm/ptrace.h~ptrace-powerpc-implement-user_single_step_siginfo
+++ a/arch/powerpc/include/asm/ptrace.h
@@ -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__ */
diff -puN arch/powerpc/kernel/traps.c~ptrace-powerpc-implement-user_single_step_siginfo arch/powerpc/kernel/traps.c
--- a/arch/powerpc/kernel/traps.c~ptrace-powerpc-implement-user_single_step_siginfo
+++ a/arch/powerpc/kernel/traps.c
@@ -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;
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
linux-next.patch
itimers-fix-racy-writes-to-cpu_itimer-fields.patch
posix-cpu-timers-optimize-and-document-timer_create-callback.patch
ptrace-cleanup-ptrace_init_task-ptrace_link-path.patch
ptrace-copy_process-should-disable-stepping.patch
ptrace-introduce-user_single_step_siginfo-helper.patch
ptrace-powerpc-implement-user_single_step_siginfo.patch
ptrace-change-tracehook_report_syscall_exit-to-handle-stepping.patch
ptrace-x86-implement-user_single_step_siginfo.patch
ptrace-x86-change-syscall_trace_leave-to-rely-on-tracehook-when-stepping.patch
signals-send_sig_noinfo-should-be-considered-as-si_fromuser.patch
signals-send_signal-use-si_fromuser-to-detect-from_ancestor_ns.patch
signals-cosmetic-collect_signal-use-si_user.patch
signals-kill-force_sig_specific.patch
signals-check-group_stop_count-after-tracehook_get_signal.patch
utrace-core.patch
do_wait-optimization-do-not-place-sub-threads-on-task_struct-children-list.patch
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