[MIPS] signal: factorize debug code

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/signal-common.h

@@ -11,6 +11,14 @@
 #ifndef __SIGNAL_COMMON_H
 #define __SIGNAL_COMMON_H
 
+/* #define DEBUG_SIG */
+
+#ifdef DEBUG_SIG
+#  define DEBUGP(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
+#else
+#  define DEBUGP(fmt, args...)
+#endif
+
 /*
  * Horribly complicated - with the bloody RM9000 workarounds enabled
  * the signal trampolines is moving to the end of the structure so we can

arch/mips/kernel/signal.c

@@ -34,8 +34,6 @@
 
 #include "signal-common.h"
 
-#define DEBUG_SIG 0
-
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 #if ICACHE_REFILLS_WORKAROUND_WAR == 0
@@ -424,11 +422,9 @@ int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
 	regs->regs[31] = (unsigned long) frame->sf_code;
 	regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+	DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
 	       current->comm, current->pid,
-	       frame, regs->cp0_epc, frame->regs[31]);
-#endif
+	       frame, regs->cp0_epc, regs->regs[31]);
 	return 0;
 
 give_sigsegv:
@@ -484,11 +480,10 @@ int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
 	regs->regs[31] = (unsigned long) frame->rs_code;
 	regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+	DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
 	       current->comm, current->pid,
 	       frame, regs->cp0_epc, regs->regs[31]);
-#endif
+
 	return 0;
 
 give_sigsegv:

arch/mips/kernel/signal32.c

@@ -104,8 +104,6 @@ typedef struct compat_siginfo {
 #define __NR_O32_rt_sigreturn		4193
 #define __NR_O32_restart_syscall	4253
 
-#define DEBUG_SIG 0
-
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 /* 32-bit compatibility types */
@@ -640,11 +638,10 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
 	regs->regs[31] = (unsigned long) frame->sf_code;
 	regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+	DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
 	       current->comm, current->pid,
-	       frame, regs->cp0_epc, frame->sf_code);
-#endif
+	       frame, regs->cp0_epc, regs->regs[31]);
+
 	return 0;
 
 give_sigsegv:
@@ -701,11 +698,10 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
 	regs->regs[31] = (unsigned long) frame->rs_code;
 	regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+	DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
 	       current->comm, current->pid,
-	       frame, regs->cp0_epc, frame->rs_code);
-#endif
+	       frame, regs->cp0_epc, regs->regs[31]);
+
 	return 0;
 
 give_sigsegv:

arch/mips/kernel/signal_n32.c

@@ -47,8 +47,6 @@
 #define __NR_N32_rt_sigreturn		6211
 #define __NR_N32_restart_syscall	6214
 
-#define DEBUG_SIG 0
-
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
 /* IRIX compatible stack_t  */
@@ -221,11 +219,10 @@ int setup_rt_frame_n32(struct k_sigaction * ka,
 	regs->regs[31] = (unsigned long) frame->rs_code;
 	regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%p\n",
+	DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
 	       current->comm, current->pid,
 	       frame, regs->cp0_epc, regs->regs[31]);
-#endif
+
 	return 0;
 
 give_sigsegv: