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Commit e0bf0f75 authored by Harvey Harrison's avatar Harvey Harrison Committed by Ingo Molnar
Browse files

x86: define DEBUG_SIG in signal_64.c 



Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 866bc13f

arch/x86/kernel/signal_64.c

+6 −6
Original line number Diff line number Diff line
@@ -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 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) 
	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 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 
	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 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 
	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 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, 
{

	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 @@ static void do_signal(struct pt_regs *regs) 
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