libc-top-half/musl/arch/x32/bits/user.h

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