headers/private/kernel/ksyscalls.h

   1 /*
   2 ** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _KERNEL_KSYSCALLS_H
   6 #define _KERNEL_KSYSCALLS_H
   7
   8
   9 #include <SupportDefs.h>
  10
  11
  12 #define MAX_SYSCALL_PARAMETERS  16
  13
  14
  15 typedef struct syscall_info {
  16         void    *function;              // pointer to the syscall function
  17         int             parameter_size; // summed up parameter size
  18 } syscall_info;
  19
  20 typedef struct syscall_parameter_info {
  21         int                     offset;
  22         int                     size;
  23         int                     used_size;
  24         type_code       type;
  25 } syscall_parameter_info;
  26
  27 typedef struct syscall_return_type_info {
  28         int                     size;
  29         int                     used_size;
  30         type_code       type;
  31 } syscall_return_type_info;
  32
  33 typedef struct extended_syscall_info {
  34         const char*                                     name;
  35         int                                                     parameter_count;
  36         syscall_return_type_info        return_type;
  37         syscall_parameter_info          parameters[MAX_SYSCALL_PARAMETERS];
  38 } extended_syscall_info;
  39
  40
  41 extern const int kSyscallCount;
  42 extern const syscall_info kSyscallInfos[];
  43 extern const extended_syscall_info kExtendedSyscallInfos[];
  44
  45
  46 #ifdef __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 int32 syscall_dispatcher(uint32 function, void *argBuffer, uint64 *_returnValue);
  51 status_t generic_syscall_init(void);
  52
  53 #ifdef __cplusplus
  54 }
  55 #endif
  56
  57 #endif  /* _KERNEL_KSYSCALLS_H */