#include <linux/signal.h>
#include <linux/errno.h>
#include <linux/wait.h>
-#include <linux/tracehook.h>
+#include <linux/ptrace.h>
#include <linux/unistd.h>
#include <linux/stddef.h>
#include <linux/personality.h>
see include/asm-x86_64/uaccess.h for details. */
set_fs(USER_DS);
+ regs->eflags &= ~TF_MASK;
+ if (test_thread_flag(TIF_SINGLESTEP))
+ ptrace_notify(SIGTRAP);
#ifdef DEBUG_SIG
printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
current->comm, current->pid, frame, regs->rip, frame->pretcode);
}
/*
- * If TF is set due to a debugger (TIF_FORCED_TF), clear the TF flag so
- * that register information in the sigcontext is correct.
+ * If TF is set due to a debugger (PT_DTRACE), clear the TF
+ * flag so that register information in the sigcontext is
+ * correct.
*/
- if (unlikely(regs->eflags & TF_MASK)
- && likely(test_and_clear_thread_flag(TIF_FORCED_TF)))
- regs->eflags &= ~TF_MASK;
+ if (unlikely(regs->eflags & TF_MASK)) {
+ if (likely(current->ptrace & PT_DTRACE)) {
+ current->ptrace &= ~PT_DTRACE;
+ regs->eflags &= ~TF_MASK;
+ }
+ }
#ifdef CONFIG_IA32_EMULATION
if (test_thread_flag(TIF_IA32)) {
sigaddset(¤t->blocked,sig);
recalc_sigpending();
spin_unlock_irq(¤t->sighand->siglock);
-
- /*
- * Clear TF when entering the signal handler, but
- * notify any tracer that was single-stepping it.
- * The tracer may want to single-step inside the
- * handler too.
- */
- regs->eflags &= ~TF_MASK;
- tracehook_report_handle_signal(sig, ka, oldset, regs);
}
return ret;