libc-top-half/musl/arch/s390x/bits/user.h

   1 #undef __WORDSIZE
   2 #define __WORDSIZE 64
   3
   4 typedef union {
   5         double d;
   6         float f;
   7 } elf_fpreg_t;
   8
   9 typedef struct {
  10         unsigned fpc;
  11         elf_fpreg_t fprs[16];
  12 } elf_fpregset_t;
  13
  14 #define ELF_NGREG 27
  15 typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
  16
  17 struct _user_psw_struct {
  18         unsigned long mask, addr;
  19 };
  20
  21 struct _user_fpregs_struct {
  22         unsigned fpc;
  23         double fprs[16];
  24 };
  25
  26 struct _user_per_struct {
  27         unsigned long control_regs[3];
  28         unsigned single_step       : 1;
  29         unsigned instruction_fetch : 1;
  30         unsigned                   : 30;
  31         unsigned long starting_addr, ending_addr;
  32         unsigned short perc_atmid;
  33         unsigned long address;
  34         unsigned char access_id;
  35 };
  36
  37 struct _user_regs_struct {
  38         struct _user_psw_struct psw;
  39         unsigned long gprs[16];
  40         unsigned acrs[16];
  41         unsigned long orig_gpr2;
  42         struct _user_fpregs_struct fp_regs;
  43         struct _user_per_struct per_info;
  44         unsigned long ieee_instruction_pointer;
  45 };
  46
  47 struct user {
  48         struct _user_regs_struct regs;
  49         unsigned long u_tsize, u_dsize, u_ssize;
  50         unsigned long start_code, start_stack;
  51         long signal;
  52         struct _user_regs_struct *u_ar0;
  53         unsigned long magic;
  54         char u_comm[32];
  55 };
  56
  57 #define PAGE_MASK            (~(PAGESIZE-1))
  58 #define NBPG                 PAGESIZE
  59 #define UPAGES               1
  60 #define HOST_TEXT_START_ADDR (u.start_code)
  61 #define HOST_STACK_END_ADDR  (u.start_stack + u.u_ssize * NBPG)
  62