1 typedef struct user_fpregs_struct { 2 uint16_t cwd, swd, ftw, fop; 3 uint64_t rip, rdp; 4 uint32_t mxcsr, mxcr_mask; 5 uint32_t st_space[32], xmm_space[64], padding[24]; 6 } elf_fpregset_t; 7 8 struct user_regs_struct { 9 unsigned long r15, r14, r13, r12, rbp, rbx, r11, r10, r9, r8; 10 unsigned long rax, rcx, rdx, rsi, rdi, orig_rax, rip; 11 unsigned long cs, eflags, rsp, ss, fs_base, gs_base, ds, es, fs, gs; 12 }; 13 #define ELF_NGREG 27 14 typedef unsigned long long elf_greg_t, elf_gregset_t[ELF_NGREG]; 15 16 struct user { 17 struct user_regs_struct regs; 18 int u_fpvalid; 19 struct user_fpregs_struct i387; 20 unsigned long u_tsize; 21 unsigned long u_dsize; 22 unsigned long u_ssize; 23 unsigned long start_code; 24 unsigned long start_stack; 25 long signal; 26 int reserved; 27 struct user_regs_struct *u_ar0; 28 struct user_fpregs_struct *u_fpstate; 29 unsigned long magic; 30 char u_comm[32]; 31 unsigned long u_debugreg[8]; 32 }; 33 34 #define PAGE_MASK (~(PAGESIZE-1)) 35 #define NBPG PAGESIZE 36 #define UPAGES 1 37 #define HOST_TEXT_START_ADDR (u.start_code) 38 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) 39