nsz Git - musl/blob - arch/x86_64/bits/user.h

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