#ifndef _ASM_SIGNAL_H
#define _ASM_SIGNAL_H
-#include <linux/config.h>
#include <linux/types.h>
#define _NSIG 128
* SA_FLAGS values:
*
* SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
* 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.
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
-#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
#define SA_RESTORER 0x04000000 /* Only for o32 */
#ifdef __KERNEL__
-/*
- * These values of sa_flags are used only by the kernel as part of the
- * irq handling routines.
- *
- * SA_INTERRUPT is also used by the irq handling routines.
- * SA_SHIRQ flag is for shared interrupt support on PCI and EISA.
- */
-#define SA_PROBE SA_ONESHOT
-#define SA_SAMPLE_RANDOM SA_RESTART
-#define SA_SHIRQ 0x02000000
+#ifdef CONFIG_TRAD_SIGNALS
+#define sig_uses_siginfo(ka) ((ka)->sa.sa_flags & SA_SIGINFO)
+#else
+#define sig_uses_siginfo(ka) (1)
+#endif
#endif /* __KERNEL__ */
set only the low 32 bit of the sigset. */
/* Type of a signal handler. */
-typedef void (*__sighandler_t)(int);
+typedef void __signalfn_t(int);
+typedef __signalfn_t __user *__sighandler_t;
/* Fake signal functions */
#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
/* IRIX compatible stack_t */
typedef struct sigaltstack {
- void *ss_sp;
+ void __user *ss_sp;
size_t ss_size;
int ss_flags;
} stack_t;
#ifdef __KERNEL__
#include <asm/sigcontext.h>
-
-/*
- * The following break codes are or were in use for specific purposes in
- * other MIPS operating systems. Linux/MIPS doesn't use all of them. The
- * unused ones are here as placeholders; we might encounter them in
- * non-Linux/MIPS object files or make use of them in the future.
- */
-#define BRK_USERBP 0 /* User bp (used by debuggers) */
-#define BRK_KERNELBP 1 /* Break in the kernel */
-#define BRK_ABORT 2 /* Sometimes used by abort(3) to SIGIOT */
-#define BRK_BD_TAKEN 3 /* For bd slot emulation - not implemented */
-#define BRK_BD_NOTTAKEN 4 /* For bd slot emulation - not implemented */
-#define BRK_SSTEPBP 5 /* User bp (used by debuggers) */
-#define BRK_OVERFLOW 6 /* Overflow check */
-#define BRK_DIVZERO 7 /* Divide by zero check */
-#define BRK_RANGE 8 /* Range error check */
-#define BRK_STACKOVERFLOW 9 /* For Ada stackchecking */
-#define BRK_NORLD 10 /* No rld found - not used by Linux/MIPS */
-#define _BRK_THREADBP 11 /* For threads, user bp (used by debuggers) */
-#define BRK_MULOVF 1023 /* Multiply overflow */
-#define BRK_BUG 512 /* Used by BUG() */
+#include <asm/siginfo.h>
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+struct pt_regs;
+extern void do_signal(struct pt_regs *regs);
+extern void do_signal32(struct pt_regs *regs);
+
+extern int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
+ int signr, sigset_t *set);
+extern int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
+ int signr, sigset_t *set, siginfo_t *info);
+
+extern int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
+ int signr, sigset_t *set);
+extern int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
+ int signr, sigset_t *set, siginfo_t *info);
+
+extern int setup_rt_frame_n32(struct k_sigaction * ka, struct pt_regs *regs,
+ int signr, sigset_t *set, siginfo_t *info);
+
#endif /* __KERNEL__ */
#endif /* _ASM_SIGNAL_H */