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skas.h

skas.h 2.0 KB
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  1. /* 
    2. 

  2.  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
    3. 

  3.  * Licensed under the GPL
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef __SKAS_H
    7. 

  7. #define __SKAS_H
    8. 

  8. 

  9. #include "mm_id.h"
    10. 

  10. #include "sysdep/ptrace.h"
    11. 

  11. 

  12. extern int userspace_pid[];
    13. 

  13. extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
    14. 

  14. extern int skas_needs_stub;
    15. 

  15. 

  16. extern void switch_threads(void *me, void *next);
    17. 

  17. extern void thread_wait(void *sw, void *fb);
    18. 

  18. extern void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
    19. 

  19.                        void (*handler)(int));
    20. 

  20. extern int start_idle_thread(void *stack, void *switch_buf_ptr, 
    21. 

  21. 			     void **fork_buf_ptr);
    22. 

  22. extern int user_thread(unsigned long stack, int flags);
    23. 

  23. extern void userspace(union uml_pt_regs *regs);
    24. 

  24. extern void new_thread_proc(void *stack, void (*handler)(int sig));
    25. 

  25. extern void remove_sigstack(void);
    26. 

  26. extern void new_thread_handler(int sig);
    27. 

  27. extern void handle_syscall(union uml_pt_regs *regs);
    28. 

  28. extern int map(struct mm_id * mm_idp, unsigned long virt,
    29. 

  29. 	       unsigned long len, int r, int w, int x, int phys_fd,
    30. 

  30. 	       unsigned long long offset, int done, void **data);
    31. 

  31. extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
    32. 

  32. 		 int done, void **data);
    33. 

  33. extern int protect(struct mm_id * mm_idp, unsigned long addr,
    34. 

  34. 		   unsigned long len, int r, int w, int x, int done,
    35. 

  35. 		   void **data);
    36. 

  36. extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
    37. 

  37. extern int new_mm(int from, unsigned long stack);
    38. 

  38. extern int start_userspace(unsigned long stub_stack);
    39. 

  39. extern int copy_context_skas0(unsigned long stack, int pid);
    40. 

  40. extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
    41. 

  41. extern long execute_syscall_skas(void *r);
    42. 

  42. extern unsigned long current_stub_stack(void);
    43. 

  43. extern long run_syscall_stub(struct mm_id * mm_idp,
    44. 

  44.                              int syscall, unsigned long *args, long expected,
    45. 

  45.                              void **addr, int done);
    46. 

  46. extern long syscall_stub_data(struct mm_id * mm_idp,
    47. 

  47.                               unsigned long *data, int data_count,
    48. 

  48.                               void **addr, void **stub_addr);
    49. 

  49. 

  50. #endif
    51.