/* * This header is culled from various kernel headers for x86_64. * Glibc and the kernel don't agree on the layout for ucontext_t. */#ifndef X86_64_UCONTEXT_H#define X86_64_UCONTEXT_Htypedef unsigned long my_sigset_t;typedef struct my_sigaltstack {        void *ss_sp;        int ss_flags;        size_t ss_size;} my_stack_t;typedef unsigned short my___u16;typedef unsigned int my___u32;typedef unsigned long long my___u64;struct my__fpstate {        my___u16   cwd;        my___u16   swd;        my___u16   twd;    /* Note this is not the same as the 32bit/x87/FSAVE twd */        my___u16   fop;        my___u64   rip;        my___u64   rdp;        my___u32   mxcsr;        my___u32   mxcsr_mask;        my___u32   st_space[32];   /* 8*16 bytes for each FP-reg */        my___u32   xmm_space[64];  /* 16*16 bytes for each XMM-reg  */        my___u32   reserved2[24];};struct my_sigcontext {        unsigned long r8;        unsigned long r9;        unsigned long r10;        unsigned long r11;        unsigned long r12;        unsigned long r13;        unsigned long r14;        unsigned long r15;        unsigned long rdi;        unsigned long rsi;        unsigned long rbp;        unsigned long rbx;        unsigned long rdx;        unsigned long rax;        unsigned long rcx;        unsigned long rsp;        unsigned long rip;        unsigned long eflags;           /* RFLAGS */        unsigned short cs;        unsigned short gs;        unsigned short fs;        unsigned short __pad0;        unsigned long err;        unsigned long trapno;        unsigned long oldmask;        unsigned long cr2;        struct my__fpstate *fpstate;       /* zero when no FPU context */        unsigned long reserved1[8];};struct my_ucontext;struct my_ucontext {        unsigned long        uc_flags;        struct my_ucontext  *uc_link;        my_stack_t           uc_stack;        struct my_sigcontext uc_mcontext;        my_sigset_t          uc_sigmask;   /* mask last for extensibility */};typedef struct my_ucontext my_ucontext_t;#define ucontext_t my_ucontext_t#endif /* X86_64_UCONTEXT_H */