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sparc64: prepare signal_64 for unification

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o add a sparc32 only definition
o fix a few style issues (white space errors etc).
o include compiler.h (for __user)

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2009-01-02 19:17:47 -08:00 committed by David S. Miller
parent a0381a9480
commit 55d646feee
1 changed files with 28 additions and 12 deletions
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40
arch/sparc/include/asm/signal_64.h
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@ -1,7 +1,8 @@
#ifndef _ASMSPARC64_SIGNAL_H
#define _ASMSPARC64_SIGNAL_H
#ifndef __SPARC_SIGNAL_H
#define __SPARC_SIGNAL_H
#include <asm/sigcontext.h>
#include <linux/compiler.h>
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
@ -83,8 +84,8 @@
#define __OLD_NSIG 32
#define __NEW_NSIG 64
#define _NSIG_BPW 64
#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
#define _NSIG_BPW 64
#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW)
#define SIGRTMIN 32
#define SIGRTMAX __NEW_NSIG
@ -156,20 +157,35 @@ struct sigstack {
#define MINSIGSTKSZ 4096
#define SIGSTKSZ 16384
#ifdef __KERNEL__
/*
* DJHR
* SA_STATIC_ALLOC is used for the sparc32 system to indicate that this
* interrupt handler's irq structure should be statically allocated
* by the request_irq routine.
* The alternative is that arch/sparc/kernel/irq.c has carnal knowledge
* of interrupt usage and that sucks. Also without a flag like this
* it may be possible for the free_irq routine to attempt to free
* statically allocated data.. which is NOT GOOD.
*
*/
#define SA_STATIC_ALLOC 0x8000
#endif
#include <asm-generic/signal.h>
struct __new_sigaction {
__sighandler_t sa_handler;
unsigned long sa_flags;
__sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
__sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */
__new_sigset_t sa_mask;
};
struct __old_sigaction {
__sighandler_t sa_handler;
__old_sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
__sighandler_t sa_handler;
__old_sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
};
typedef struct sigaltstack {
@ -181,8 +197,8 @@ typedef struct sigaltstack {
#ifdef __KERNEL__
struct k_sigaction {
struct __new_sigaction sa;
void __user *ka_restorer;
struct __new_sigaction sa;
void __user *ka_restorer;
};
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
@ -191,4 +207,4 @@ struct k_sigaction {
#endif /* !(__ASSEMBLY__) */
#endif /* !(_ASMSPARC64_SIGNAL_H) */
#endif /* !(__SPARC_SIGNAL_H) */