x86: merge signal_32/64.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

4 files changed, 263 insertions, 425 deletions

diff --git a/include/asm-x86/Kbuild b/include/asm-x86/Kbuild
index 4e4de4b..294781c 100644
--- a/include/asm-x86/Kbuild
+++ b/include/asm-x86/Kbuild
@@ -23,8 +23,6 @@ unifdef-y += posix_types_64.h
 unifdef-y += ptrace.h
 unifdef-y += setup_32.h
 unifdef-y += setup_64.h
-unifdef-y += signal_32.h
-unifdef-y += signal_64.h
 unifdef-y += unistd_32.h
 unifdef-y += unistd_64.h
 unifdef-y += user_32.h
diff --git a/include/asm-x86/signal.h b/include/asm-x86/signal.h
index bf5a63f..987a422 100644
--- a/include/asm-x86/signal.h
+++ b/include/asm-x86/signal.h
@@ -1,13 +1,266 @@
+#ifndef _ASM_X86_SIGNAL_H
+#define _ASM_X86_SIGNAL_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#include <linux/time.h>
+#include <linux/compiler.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "signal_32.h"
-# else
-#  include "signal_64.h"
-# endif
+#include <linux/linkage.h>
+
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define _NSIG		64
+
+#ifdef __i386__
+# define _NSIG_BPW	32
 #else
-# ifdef __i386__
-#  include "signal_32.h"
-# else
-#  include "signal_64.h"
-# endif
+# define _NSIG_BPW	64
+#endif
+
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#else
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+#define NSIG		32
+typedef unsigned long sigset_t;
+
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+#define SIGBUS		 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGUSR1		10
+#define SIGSEGV		11
+#define SIGUSR2		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGSTKFLT	16
+#define SIGCHLD		17
+#define SIGCONT		18
+#define SIGSTOP		19
+#define SIGTSTP		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGURG		23
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGIO		29
+#define SIGPOLL		SIGIO
+/*
+#define SIGLOST		29
+*/
+#define SIGPWR		30
+#define SIGSYS		31
+#define	SIGUNUSED	31
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN	32
+#define SIGRTMAX	_NSIG
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP	0x00000001u
+#define SA_NOCLDWAIT	0x00000002u
+#define SA_SIGINFO	0x00000004u
+#define SA_ONSTACK	0x08000000u
+#define SA_RESTART	0x10000000u
+#define SA_NODEFER	0x40000000u
+#define SA_RESETHAND	0x80000000u
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+
+#define SA_RESTORER	0x04000000
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	2048
+#define SIGSTKSZ	8192
+
+#include <asm-generic/signal.h>
+
+#ifndef __ASSEMBLY__
+
+#ifdef __i386__
+# ifdef __KERNEL__
+struct old_sigaction {
+	__sighandler_t sa_handler;
+	old_sigset_t sa_mask;
+	unsigned long sa_flags;
+	__sigrestore_t sa_restorer;
+};
+
+struct sigaction {
+	__sighandler_t sa_handler;
+	unsigned long sa_flags;
+	__sigrestore_t sa_restorer;
+	sigset_t sa_mask;		/* mask last for extensibility */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+# else /* __KERNEL__ */
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+struct sigaction {
+	union {
+	  __sighandler_t _sa_handler;
+	  void (*_sa_sigaction)(int, struct siginfo *, void *);
+	} _u;
+	sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+#define sa_handler	_u._sa_handler
+#define sa_sigaction	_u._sa_sigaction
+
+# endif /* ! __KERNEL__ */
+#else /* __i386__ */
+
+struct sigaction {
+	__sighandler_t sa_handler;
+	unsigned long sa_flags;
+	__sigrestore_t sa_restorer;
+	sigset_t sa_mask;		/* mask last for extensibility */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+
+#endif /* !__i386__ */
+
+typedef struct sigaltstack {
+	void __user *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
+#include <asm/sigcontext.h>
+
+#ifdef __386__
+
+#define __HAVE_ARCH_SIG_BITOPS
+
+#define sigaddset(set,sig)		   \
+	(__builtin_constantp(sig) ?	   \
+	 __const_sigaddset((set),(sig)) :  \
+	 __gen_sigaddset((set),(sig)))
+
+static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
+{
+	__asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
+{
+	unsigned long sig = _sig - 1;
+	set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
+}
+
+#define sigdelset(set,sig)		   \
+	(__builtin_constant_p(sig) ?       \
+	 __const_sigdelset((set),(sig)) :  \
+	 __gen_sigdelset((set),(sig)))
+
+
+static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
+{
+	__asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
+{
+	unsigned long sig = _sig - 1;
+	set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
+}
+
+static __inline__ int __const_sigismember(sigset_t *set, int _sig)
+{
+	unsigned long sig = _sig - 1;
+	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
+}
+
+static __inline__ int __gen_sigismember(sigset_t *set, int _sig)
+{
+	int ret;
+	__asm__("btl %2,%1\n\tsbbl %0,%0"
+		: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
+	return ret;
+}
+
+#define sigismember(set,sig)			\
+	(__builtin_constant_p(sig) ?		\
+	 __const_sigismember((set),(sig)) :	\
+	 __gen_sigismember((set),(sig)))
+
+static __inline__ int sigfindinword(unsigned long word)
+{
+	__asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
+	return word;
+}
+
+struct pt_regs;
+
+#define ptrace_signal_deliver(regs, cookie)		\
+	do {						\
+		if (current->ptrace & PT_DTRACE) {	\
+			current->ptrace &= ~PT_DTRACE;	\
+			(regs)->eflags &= ~TF_MASK;	\
+		}					\
+	} while (0)
+
+#else /* __i386__ */
+
+#undef __HAVE_ARCH_SIG_BITOPS
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* !__i386__ */
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+
 #endif
diff --git a/include/asm-x86/signal_32.h b/include/asm-x86/signal_32.h
deleted file mode 100644
index c3e8ade..0000000
--- a/include/asm-x86/signal_32.h
+++ /dev/null
@@ -1,232 +0,0 @@
-#ifndef _ASMi386_SIGNAL_H
-#define _ASMi386_SIGNAL_H
-
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/compiler.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-#ifdef __KERNEL__
-
-#include <linux/linkage.h>
-
-/* Most things should be clean enough to redefine this at will, if care
-   is taken to make libc match.  */
-
-#define _NSIG		64
-#define _NSIG_BPW	32
-#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
-
-typedef unsigned long old_sigset_t;		/* at least 32 bits */
-
-typedef struct {
-	unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-#define NSIG		32
-typedef unsigned long sigset_t;
-
-#endif /* __KERNEL__ */
-
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-#define SIGBUS		 7
-#define SIGFPE		 8
-#define SIGKILL		 9
-#define SIGUSR1		10
-#define SIGSEGV		11
-#define SIGUSR2		12
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGSTKFLT	16
-#define SIGCHLD		17
-#define SIGCONT		18
-#define SIGSTOP		19
-#define SIGTSTP		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGURG		23
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGIO		29
-#define SIGPOLL		SIGIO
-/*
-#define SIGLOST		29
-*/
-#define SIGPWR		30
-#define SIGSYS		31
-#define	SIGUNUSED	31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN	32
-#define SIGRTMAX	_NSIG
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001u
-#define SA_NOCLDWAIT	0x00000002u
-#define SA_SIGINFO	0x00000004u
-#define SA_ONSTACK	0x08000000u
-#define SA_RESTART	0x10000000u
-#define SA_NODEFER	0x40000000u
-#define SA_RESETHAND	0x80000000u
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
-#define SA_RESTORER	0x04000000
-
-/* 
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	2048
-#define SIGSTKSZ	8192
-
-#include <asm-generic/signal.h>
-
-#ifdef __KERNEL__
-struct old_sigaction {
-	__sighandler_t sa_handler;
-	old_sigset_t sa_mask;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-};
-
-struct sigaction {
-	__sighandler_t sa_handler;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-	sigset_t sa_mask;		/* mask last for extensibility */
-};
-
-struct k_sigaction {
-	struct sigaction sa;
-};
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-struct sigaction {
-	union {
-	  __sighandler_t _sa_handler;
-	  void (*_sa_sigaction)(int, struct siginfo *, void *);
-	} _u;
-	sigset_t sa_mask;
-	unsigned long sa_flags;
-	void (*sa_restorer)(void);
-};
-
-#define sa_handler	_u._sa_handler
-#define sa_sigaction	_u._sa_sigaction
-
-#endif /* __KERNEL__ */
-
-typedef struct sigaltstack {
-	void __user *ss_sp;
-	int ss_flags;
-	size_t ss_size;
-} stack_t;
-
-#ifdef __KERNEL__
-#include <asm/sigcontext.h>
-
-#define __HAVE_ARCH_SIG_BITOPS
-
-#define sigaddset(set,sig)                 \
-	(__builtin_constant_p(sig) ?       \
-	__const_sigaddset((set),(sig)) :   \
-	__gen_sigaddset((set),(sig)))
-
-static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
-{
-	__asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
-}
-
-#define sigdelset(set,sig)                 \
-	(__builtin_constant_p(sig) ?       \
-	__const_sigdelset((set),(sig)) :   \
-	__gen_sigdelset((set),(sig)))
-
-
-static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
-{
-	__asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
-}
-
-static __inline__ int __const_sigismember(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
-}
-
-static __inline__ int __gen_sigismember(sigset_t *set, int _sig)
-{
-	int ret;
-	__asm__("btl %2,%1\n\tsbbl %0,%0"
-		: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
-	return ret;
-}
-
-#define sigismember(set,sig)			\
-	(__builtin_constant_p(sig) ?		\
-	 __const_sigismember((set),(sig)) :	\
-	 __gen_sigismember((set),(sig)))
-
-static __inline__ int sigfindinword(unsigned long word)
-{
-	__asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
-	return word;
-}
-
-struct pt_regs;
-
-#define ptrace_signal_deliver(regs, cookie)		\
-	do {						\
-		if (current->ptrace & PT_DTRACE) {	\
-			current->ptrace &= ~PT_DTRACE;	\
-			(regs)->eflags &= ~TF_MASK;	\
-		}					\
-	} while (0)
-
-#endif /* __KERNEL__ */
-
-#endif
diff --git a/include/asm-x86/signal_64.h b/include/asm-x86/signal_64.h
deleted file mode 100644
index 4581f97..0000000
--- a/include/asm-x86/signal_64.h
+++ /dev/null
@@ -1,181 +0,0 @@
-#ifndef _ASMx8664_SIGNAL_H
-#define _ASMx8664_SIGNAL_H
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#include <linux/time.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-#ifdef __KERNEL__
-#include <linux/linkage.h>
-/* Most things should be clean enough to redefine this at will, if care
-   is taken to make libc match.  */
-
-#define _NSIG		64
-#define _NSIG_BPW	64
-#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
-
-typedef unsigned long old_sigset_t;		/* at least 32 bits */
-
-typedef struct {
-	unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
-
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-#define NSIG		32
-typedef unsigned long sigset_t;
-
-#endif /* __KERNEL__ */
-#endif
-
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-#define SIGBUS		 7
-#define SIGFPE		 8
-#define SIGKILL		 9
-#define SIGUSR1		10
-#define SIGSEGV		11
-#define SIGUSR2		12
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGSTKFLT	16
-#define SIGCHLD		17
-#define SIGCONT		18
-#define SIGSTOP		19
-#define SIGTSTP		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGURG		23
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGIO		29
-#define SIGPOLL		SIGIO
-/*
-#define SIGLOST		29
-*/
-#define SIGPWR		30
-#define SIGSYS		31
-#define	SIGUNUSED	31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN	32
-#define SIGRTMAX	_NSIG
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
-#define SA_RESTORER	0x04000000
-
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	2048
-#define SIGSTKSZ	8192
-
-#include <asm-generic/signal.h>
-
-#ifndef __ASSEMBLY__
-
-struct sigaction {
-	__sighandler_t sa_handler;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-	sigset_t sa_mask;		/* mask last for extensibility */
-};
-
-struct k_sigaction {
-	struct sigaction sa;
-};
-
-typedef struct sigaltstack {
-	void __user *ss_sp;
-	int ss_flags;
-	size_t ss_size;
-} stack_t;
-
-#ifdef __KERNEL__
-#include <asm/sigcontext.h>
-
-#undef __HAVE_ARCH_SIG_BITOPS
-#if 0
-
-static inline void sigaddset(sigset_t *set, int _sig)
-{
-	__asm__("btsq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static inline void sigdelset(sigset_t *set, int _sig)
-{
-	__asm__("btrq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static inline int __const_sigismember(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig & ~(_NSIG_BPW-1)));
-}
-
-static inline int __gen_sigismember(sigset_t *set, int _sig)
-{
-	int ret;
-	__asm__("btq %2,%1\n\tsbbq %0,%0"
-		: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
-	return ret;
-}
-
-#define sigismember(set,sig)			\
-	(__builtin_constant_p(sig) ?		\
-	 __const_sigismember((set),(sig)) :	\
-	 __gen_sigismember((set),(sig)))
-
-static inline int sigfindinword(unsigned long word)
-{
-	__asm__("bsfq %1,%0" : "=r"(word) : "rm"(word) : "cc");
-	return word;
-}
-#endif
-#endif
-
-#define ptrace_signal_deliver(regs, cookie) do { } while (0)
-
-#endif /* __KERNEL__ */
-
-#endif