x86: define DEBUG_SIG in signal_64.c
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index f3247d7..0432945 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -28,7 +28,7 @@
#include <asm/mce.h>
#include "sigframe.h"
-/* #define DEBUG_SIG 1 */
+#define DEBUG_SIG 0
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -142,7 +142,7 @@
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax))
goto badframe;
-#ifdef DEBUG_SIG
+#if DEBUG_SIG
printk("%d sigreturn ip:%lx sp:%lx frame:%p ax:%lx\n",current->pid,regs->ip,regs->sp,frame,ax);
#endif
@@ -274,7 +274,7 @@
if (err)
goto give_sigsegv;
-#ifdef DEBUG_SIG
+#if DEBUG_SIG
printk("%d old ip %lx old sp %lx old ax %lx\n", current->pid,regs->ip,regs->sp,regs->ax);
#endif
@@ -302,7 +302,7 @@
regs->flags &= ~(X86_EFLAGS_TF | X86_EFLAGS_DF);
if (test_thread_flag(TIF_SINGLESTEP))
ptrace_notify(SIGTRAP);
-#ifdef DEBUG_SIG
+#if DEBUG_SIG
printk("SIG deliver (%s:%d): sp=%p pc=%lx ra=%p\n",
current->comm, current->pid, frame, regs->ip, frame->pretcode);
#endif
@@ -353,7 +353,7 @@
{
int ret;
-#ifdef DEBUG_SIG
+#if DEBUG_SIG
printk("handle_signal pid:%d sig:%lu ip:%lx sp:%lx regs=%p\n",
current->pid, sig,
regs->ip, regs->sp, regs);
@@ -491,7 +491,7 @@
void do_notify_resume(struct pt_regs *regs, void *unused,
__u32 thread_info_flags)
{
-#ifdef DEBUG_SIG
+#if DEBUG_SIG
printk("do_notify_resume flags:%x ip:%lx sp:%lx caller:%p pending:%x\n",
thread_info_flags, regs->ip, regs->sp, __builtin_return_address(0),signal_pending(current));
#endif