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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
#endif
#ifdef _GNU_SOURCE
enum { R_D0 = 0 };
#define R_D0 R_D0
enum { R_D1 = 1 };
#define R_D1 R_D1
enum { R_D2 = 2 };
#define R_D2 R_D2
enum { R_D3 = 3 };
#define R_D3 R_D3
enum { R_D4 = 4 };
#define R_D4 R_D4
enum { R_D5 = 5 };
#define R_D5 R_D5
enum { R_D6 = 6 };
#define R_D6 R_D6
enum { R_D7 = 7 };
#define R_D7 R_D7
enum { R_A0 = 8 };
#define R_A0 R_A0
enum { R_A1 = 9 };
#define R_A1 R_A1
enum { R_A2 = 10 };
#define R_A2 R_A2
enum { R_A3 = 11 };
#define R_A3 R_A3
enum { R_A4 = 12 };
#define R_A4 R_A4
enum { R_A5 = 13 };
#define R_A5 R_A5
enum { R_A6 = 14 };
#define R_A6 R_A6
enum { R_A7 = 15 };
#define R_A7 R_A7
enum { R_SP = 15 };
#define R_SP R_SP
enum { R_PC = 16 };
#define R_PC R_PC
enum { R_PS = 17 };
#define R_PS R_PS
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
struct sigcontext {
unsigned long sc_mask, sc_usp, sc_d0, sc_d1, sc_a0, sc_a1;
unsigned short sc_sr;
unsigned long sc_pc;
unsigned short sc_formatvec;
unsigned long sc_fpregs[6], sc_fpcntl[3];
unsigned char sc_fpstate[216];
};
typedef int greg_t, gregset_t[18];
typedef struct {
int f_pcr, f_psr, f_fpiaddr, f_fpregs[8][3];
} fpregset_t;
typedef struct {
int version;
gregset_t gregs;
fpregset_t fpregs;
} mcontext_t;
#else
typedef struct {
int __version;
int __gregs[18];
int __fpregs[27];
} mcontext_t;
#endif
struct sigaltstack {
void *ss_sp;
int ss_flags;
size_t ss_size;
};
typedef struct __ucontext {
unsigned long uc_flags;
struct __ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
long __reserved[80];
sigset_t uc_sigmask;
} ucontext_t;
#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
#define SA_RESETHAND 0x80000000
#define SA_RESTORER 0x04000000
#endif
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT SIGABRT
#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 29
#define SIGPWR 30
#define SIGSYS 31
#define SIGUNUSED SIGSYS
#define _NSIG 65
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