user.h raw

   1  #undef __WORDSIZE
   2  #define __WORDSIZE 32
   3  
   4  typedef struct user_fpregs_struct {
   5  	long cwd, swd, twd, fip, fcs, foo, fos, st_space[20];
   6  } elf_fpregset_t;
   7  
   8  typedef struct user_fpxregs_struct {
   9  	unsigned short cwd, swd, twd, fop;
  10  	long fip, fcs, foo, fos, mxcsr, reserved;
  11  	long st_space[32], xmm_space[32], padding[56];
  12  } elf_fpxregset_t;
  13  
  14  struct user_regs_struct {
  15  	long ebx, ecx, edx, esi, edi, ebp, eax, xds, xes, xfs, xgs;
  16  	long orig_eax, eip, xcs, eflags, esp, xss;
  17  };
  18  
  19  #define ELF_NGREG 17
  20  typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
  21  
  22  struct user {
  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  	int				u_debugreg[8];
  38  };
  39  
  40  #define PAGE_MASK		(~(PAGESIZE-1))
  41  #define NBPG			PAGESIZE
  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)
  45