mach/sparc/libsys/SYS.h

   1 /*
   2 SYS.h
   3 */
   4
   5 #ifndef SYS_H
   6 #define SYS_H
   7
   8 #include <syscall.h>
   9
  10 #define SYS_call_0(x) \
  11         LABEL_(x); \
  12         BODY(x)
  13
  14 #define _SYS_call_0(x) \
  15         LABEL__(x); \
  16         LABEL(x); \
  17         BODY(x)
  18
  19 #define SYS_call_1(x) \
  20         LABEL_(x); \
  21         ENTRY1; \
  22         BODY(x)
  23
  24 #define _SYS_call_1(x) \
  25         LABEL__(x); \
  26         ENTRY1; \
  27         LABEL(x); \
  28         BODY(x)
  29
  30 #define SYS_call_2(x) \
  31         LABEL_(x); \
  32         ENTRY2; \
  33         BODY(x)
  34
  35 #define _SYS_call_2(x) \
  36         LABEL__(x); \
  37         ENTRY2; \
  38         LABEL(x); \
  39         BODY(x)
  40
  41 #define SYS_call_3(x) \
  42         LABEL_(x); \
  43         ENTRY3; \
  44         BODY(x)
  45
  46 #define _SYS_call_3(x) \
  47         LABEL__(x); \
  48         ENTRY3; \
  49         LABEL(x); \
  50         BODY(x)
  51
  52 #define SYS_call_4(x) \
  53         LABEL_(x); \
  54         ENTRY4; \
  55         BODY(x)
  56
  57 #define _SYS_call_4(x) \
  58         LABEL__(x); \
  59         ENTRY4; \
  60         LABEL(x); \
  61         BODY(x)
  62
  63 #define SYS_call_5(x) \
  64         LABEL_(x); \
  65         ENTRY5; \
  66         BODY(x)
  67
  68 #define _SYS_call_5(x) \
  69         LABEL__(x); \
  70         ENTRY5; \
  71         LABEL(x); \
  72         BODY(x)
  73
  74 #define SYS_call_6(x) \
  75         LABEL_(x); \
  76         ENTRY6; \
  77         BODY(x)
  78
  79 #define _SYS_call_6(x) \
  80         LABEL__(x); \
  81         ENTRY6; \
  82         LABEL(x); \
  83         BODY(x)
  84
  85 #define BODY1(x) \
  86         sys_call(x); \
  87         ta      %g0; \
  88         bgeu 0f; \
  89         sethi   %hi(cerror), %o5; \
  90         or      %o5, %lo(cerror), %o5; \
  91         jmp     %o5; \
  92         nop; \
  93 0:;
  94 #define BODY(x) \
  95         BODY1(x) \
  96         retl; \
  97         nop
  98
  99 #if __STDC__
 100 #define LABEL_(x) \
 101         .global _ ## x; \
 102         _ ## x:
 103 #define LABEL__(x) \
 104         .global __ ## x; \
 105         __ ## x:
 106 #else
 107 #define LABEL_(x) \
 108         .global _/**/x; \
 109         _/**/x:
 110 #define LABEL__(x) \
 111         .global __/**/x; \
 112         __/**/x:
 113 #endif
 114 #define LABEL(x) \
 115         .global x; \
 116         x:
 117
 118 #define ENTRY1 \
 119         ld      [%l0], %o0 \
 120
 121 #define ENTRY2 \
 122         ENTRY1; \
 123         ld      [%l0+4], %o1 \
 124
 125 #define ENTRY3 \
 126         ENTRY2; \
 127         ld      [%l0+8], %o2 \
 128
 129 #define ENTRY4 \
 130         ENTRY3; \
 131         ld      [%l0+12], %o3 \
 132
 133 #define ENTRY5 \
 134         ENTRY4; \
 135         ld      [%l0+16], %o4 \
 136
 137 #define ENTRY6 \
 138         ENTRY5; \
 139         ld      [%l0+20], %o5 \
 140
 141 #if __STDC__
 142 #define sys_call(x) \
 143         mov     SYS_ ## x, %g1
 144 #else
 145 #define sys_call(x) \
 146         mov     SYS_/**/x, %g1
 147 #endif
 148
 149 #endif /* SYS_H */