/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_ASM_POWERPC_SIGNAL_H
#define _UAPI_ASM_POWERPC_SIGNAL_H

#include <linux/types.h>

#define _NSIG           64
#ifdef __powerpc64__
#define _NSIG_BPW       64
#else
#define _NSIG_BPW       32
#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;

#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

#define SA_RESTORER     0x04000000U

#ifdef __powerpc64__
#define MINSIGSTKSZ     8192
#define SIGSTKSZ        32768
#else
#define MINSIGSTKSZ     2048
#define SIGSTKSZ        8192
#endif

#include <asm-generic/signal-defs.h>

#ifndef __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 */
};
#endif

typedef struct sigaltstack {
        void __user *ss_sp;
        int ss_flags;
        __kernel_size_t ss_size;
} stack_t;


#ifndef __powerpc64__
/*
 * These are parameters to dbg_sigreturn syscall.  They enable or
 * disable certain debugging things that can be done from signal
 * handlers.  The dbg_sigreturn syscall *must* be called from a
 * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
 * array of struct sig_dbg_op, which has the debug operations to
 * perform before returning from the signal.
 */
struct sig_dbg_op {
        int dbg_type;
        unsigned long dbg_value;
};

/* Enable or disable single-stepping.  The value sets the state. */
#define SIG_DBG_SINGLE_STEPPING         1

/* Enable or disable branch tracing.  The value sets the state. */
#define SIG_DBG_BRANCH_TRACING          2
#endif /* ! __powerpc64__ */

#endif /* _UAPI_ASM_POWERPC_SIGNAL_H */