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Diffstat (limited to 'arch/sh/kernel/ptrace_64.c')
-rw-r--r--arch/sh/kernel/ptrace_64.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 873ebdc4f98e..b063eb8b18e3 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -133,6 +133,8 @@ void user_enable_single_step(struct task_struct *child)
133 struct pt_regs *regs = child->thread.uregs; 133 struct pt_regs *regs = child->thread.uregs;
134 134
135 regs->sr |= SR_SSTEP; /* auto-resetting upon exception */ 135 regs->sr |= SR_SSTEP; /* auto-resetting upon exception */
136
137 set_tsk_thread_flag(child, TIF_SINGLESTEP);
136} 138}
137 139
138void user_disable_single_step(struct task_struct *child) 140void user_disable_single_step(struct task_struct *child)
@@ -140,6 +142,8 @@ void user_disable_single_step(struct task_struct *child)
140 struct pt_regs *regs = child->thread.uregs; 142 struct pt_regs *regs = child->thread.uregs;
141 143
142 regs->sr &= ~SR_SSTEP; 144 regs->sr &= ~SR_SSTEP;
145
146 clear_tsk_thread_flag(child, TIF_SINGLESTEP);
143} 147}
144 148
145static int genregs_get(struct task_struct *target, 149static int genregs_get(struct task_struct *target,
@@ -454,6 +458,8 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs)
454 458
455asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) 459asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
456{ 460{
461 int step;
462
457 if (unlikely(current->audit_context)) 463 if (unlikely(current->audit_context))
458 audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]), 464 audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
459 regs->regs[9]); 465 regs->regs[9]);
@@ -461,8 +467,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
461 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) 467 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
462 trace_sys_exit(regs, regs->regs[9]); 468 trace_sys_exit(regs, regs->regs[9]);
463 469
464 if (test_thread_flag(TIF_SYSCALL_TRACE)) 470 step = test_thread_flag(TIF_SINGLESTEP);
465 tracehook_report_syscall_exit(regs, 0); 471 if (step || test_thread_flag(TIF_SYSCALL_TRACE))
472 tracehook_report_syscall_exit(regs, step);
466} 473}
467 474
468/* Called with interrupts disabled */ 475/* Called with interrupts disabled */