headers/posix/arch/x86/signal.h

   1 /*
   2  * Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _ARCH_SIGNAL_H_
   6 #define _ARCH_SIGNAL_H_
   7
   8
   9 /*
  10  * Architecture-specific structure passed to signal handlers
  11  */
  12
  13 #if __INTEL__
  14
  15 typedef struct packed_fp_stack {
  16         unsigned char   st0[10];
  17         unsigned char   st1[10];
  18         unsigned char   st2[10];
  19         unsigned char   st3[10];
  20         unsigned char   st4[10];
  21         unsigned char   st5[10];
  22         unsigned char   st6[10];
  23         unsigned char   st7[10];
  24 } packed_fp_stack;
  25
  26 typedef struct packed_mmx_regs {
  27         unsigned char   mm0[10];
  28         unsigned char   mm1[10];
  29         unsigned char   mm2[10];
  30         unsigned char   mm3[10];
  31         unsigned char   mm4[10];
  32         unsigned char   mm5[10];
  33         unsigned char   mm6[10];
  34         unsigned char   mm7[10];
  35 } packed_mmx_regs;
  36
  37 typedef struct old_extended_regs {
  38         unsigned short  fp_control;
  39         unsigned short  _reserved1;
  40         unsigned short  fp_status;
  41         unsigned short  _reserved2;
  42         unsigned short  fp_tag;
  43         unsigned short  _reserved3;
  44         unsigned long   fp_eip;
  45         unsigned short  fp_cs;
  46         unsigned short  fp_opcode;
  47         unsigned long   fp_datap;
  48         unsigned short  fp_ds;
  49         unsigned short  _reserved4;
  50         union {
  51                 packed_fp_stack fp;
  52                 packed_mmx_regs mmx;
  53         } fp_mmx;
  54 } old_extended_regs;
  55
  56 typedef struct fp_stack {
  57         unsigned char   st0[10];
  58         unsigned char   _reserved_42_47[6];
  59         unsigned char   st1[10];
  60         unsigned char   _reserved_58_63[6];
  61         unsigned char   st2[10];
  62         unsigned char   _reserved_74_79[6];
  63         unsigned char   st3[10];
  64         unsigned char   _reserved_90_95[6];
  65         unsigned char   st4[10];
  66         unsigned char   _reserved_106_111[6];
  67         unsigned char   st5[10];
  68         unsigned char   _reserved_122_127[6];
  69         unsigned char   st6[10];
  70         unsigned char   _reserved_138_143[6];
  71         unsigned char   st7[10];
  72         unsigned char   _reserved_154_159[6];
  73 } fp_stack;
  74
  75 typedef struct mmx_regs {
  76         unsigned char   mm0[10];
  77         unsigned char   _reserved_42_47[6];
  78         unsigned char   mm1[10];
  79         unsigned char   _reserved_58_63[6];
  80         unsigned char   mm2[10];
  81         unsigned char   _reserved_74_79[6];
  82         unsigned char   mm3[10];
  83         unsigned char   _reserved_90_95[6];
  84         unsigned char   mm4[10];
  85         unsigned char   _reserved_106_111[6];
  86         unsigned char   mm5[10];
  87         unsigned char   _reserved_122_127[6];
  88         unsigned char   mm6[10];
  89         unsigned char   _reserved_138_143[6];
  90         unsigned char   mm7[10];
  91         unsigned char   _reserved_154_159[6];
  92 } mmx_regs;
  93
  94 typedef struct xmmx_regs {
  95         unsigned char   xmm0[16];
  96         unsigned char   xmm1[16];
  97         unsigned char   xmm2[16];
  98         unsigned char   xmm3[16];
  99         unsigned char   xmm4[16];
 100         unsigned char   xmm5[16];
 101         unsigned char   xmm6[16];
 102         unsigned char   xmm7[16];
 103 } xmmx_regs;
 104
 105 typedef struct new_extended_regs {
 106         unsigned short  fp_control;
 107         unsigned short  fp_status;
 108         unsigned short  fp_tag;
 109         unsigned short  fp_opcode;
 110         unsigned long   fp_eip;
 111         unsigned short  fp_cs;
 112         unsigned short  res_14_15;
 113         unsigned long   fp_datap;
 114         unsigned short  fp_ds;
 115         unsigned short  _reserved_22_23;
 116         unsigned long   mxcsr;
 117         unsigned long   _reserved_28_31;
 118         union {
 119                 fp_stack fp;
 120                 mmx_regs mmx;
 121         } fp_mmx;
 122         xmmx_regs xmmx;
 123         unsigned char   _reserved_288_511[224];
 124 } new_extended_regs;
 125
 126 typedef struct extended_regs {
 127         union {
 128                 old_extended_regs       old_format;
 129                 new_extended_regs       new_format;
 130         } state;
 131         unsigned long   format;
 132 } extended_regs;
 133
 134 struct vregs {
 135         unsigned long                   eip;
 136         unsigned long                   eflags;
 137         unsigned long                   eax;
 138         unsigned long                   ecx;
 139         unsigned long                   edx;
 140         unsigned long                   esp;
 141         unsigned long                   ebp;
 142         unsigned long                   _reserved_1;
 143         extended_regs   xregs;
 144         unsigned long                   edi;
 145         unsigned long                   esi;
 146         unsigned long                   ebx;
 147 };
 148
 149 #endif /* __INTEL__ */
 150
 151 #endif /* _ARCH_SIGNAL_H_ */