diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/signal_64.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/signal_64.h')
-rw-r--r-- | include/asm-x86/signal_64.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/include/asm-x86/signal_64.h b/include/asm-x86/signal_64.h new file mode 100644 index 00000000000..4581f978b29 --- /dev/null +++ b/include/asm-x86/signal_64.h @@ -0,0 +1,181 @@ +#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 |