linux-user/qemu.h

   1 #ifndef GEMU_H
   2 #define GEMU_H
   3
   4 #include "thunk.h"
   5
   6 #ifdef TARGET_I386
   7
   8 /* default linux values for the selectors */
   9 #define __USER_CS       (0x23)
  10 #define __USER_DS       (0x2B)
  11
  12 struct target_pt_regs {
  13         long ebx;
  14         long ecx;
  15         long edx;
  16         long esi;
  17         long edi;
  18         long ebp;
  19         long eax;
  20         int  xds;
  21         int  xes;
  22         long orig_eax;
  23         long eip;
  24         int  xcs;
  25         long eflags;
  26         long esp;
  27         int  xss;
  28 };
  29
  30 #endif
  31
  32 /* This struct is used to hold certain information about the image.
  33  * Basically, it replicates in user space what would be certain
  34  * task_struct fields in the kernel
  35  */
  36 struct image_info {
  37         unsigned long   start_code;
  38         unsigned long   end_code;
  39         unsigned long   end_data;
  40         unsigned long   start_brk;
  41         unsigned long   brk;
  42         unsigned long   start_mmap;
  43         unsigned long   mmap;
  44         unsigned long   rss;
  45         unsigned long   start_stack;
  46         unsigned long   arg_start;
  47         unsigned long   arg_end;
  48         unsigned long   env_start;
  49         unsigned long   env_end;
  50         unsigned long   entry;
  51         int             personality;
  52 };
  53
  54 int elf_exec(const char * filename, char ** argv, char ** envp,
  55              struct target_pt_regs * regs, struct image_info *infop);
  56
  57 void target_set_brk(char *new_brk);
  58 void syscall_init(void);
  59 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
  60                 long arg4, long arg5, long arg6);
  61 void gemu_log(const char *fmt, ...) __attribute__((format(printf,1,2)));
  62 struct CPUX86State;
  63 void cpu_loop(struct CPUX86State *env);
  64 void process_pending_signals(void *cpu_env);
  65 void signal_init(void);
  66
  67 #endif