src/x86/offsets.h

   1 /* Linux-specific definitions: */
   2
   3 /* Define various structure offsets to simplify cross-compilation.  */
   4
   5 /* Offsets for x86 Linux "ucontext_t":  */
   6
   7 #define LINUX_UC_FLAGS_OFF      0x00
   8 #define LINUX_UC_LINK_OFF       0x04
   9 #define LINUX_UC_STACK_OFF      0x08
  10 #define LINUX_UC_MCONTEXT_OFF   0x14
  11 #define LINUX_UC_SIGMASK_OFF    0x6c
  12 #define LINUX_UC_FPREGS_MEM_OFF 0xec
  13
  14 /* The struct sigcontext is located at an offset of 4
  15    from the stack pointer in the signal frame.         */
  16
  17 /* Offsets for x86 Linux "struct sigcontext":  */
  18
  19 #define LINUX_SC_GS_OFF         0x00
  20 #define LINUX_SC_GSH_OFF        0x02
  21 #define LINUX_SC_FS_OFF         0x04
  22 #define LINUX_SC_FSH_OFF        0x06
  23 #define LINUX_SC_ES_OFF         0x08
  24 #define LINUX_SC_ESH_OFF        0x0a
  25 #define LINUX_SC_DS_OFF         0x0c
  26 #define LINUX_SC_DSH_OFF        0x0e
  27 #define LINUX_SC_EDI_OFF        0x10
  28 #define LINUX_SC_ESI_OFF        0x14
  29 #define LINUX_SC_EBP_OFF        0x18
  30 #define LINUX_SC_ESP_OFF        0x1c
  31 #define LINUX_SC_EBX_OFF        0x20
  32 #define LINUX_SC_EDX_OFF        0x24
  33 #define LINUX_SC_ECX_OFF        0x28
  34 #define LINUX_SC_EAX_OFF        0x2c
  35 #define LINUX_SC_TRAPNO_OFF     0x30
  36 #define LINUX_SC_ERR_OFF        0x34
  37 #define LINUX_SC_EIP_OFF        0x38
  38 #define LINUX_SC_CS_OFF         0x3c
  39 #define LINUX_SC_CSH_OFF        0x3e
  40 #define LINUX_SC_EFLAGS_OFF     0x40
  41 #define LINUX_SC_ESP_AT_SIGNAL_OFF      0x44
  42 #define LINUX_SC_SS_OFF         0x48
  43 #define LINUX_SC_SSH_OFF        0x4a
  44 #define LINUX_SC_FPSTATE_OFF    0x4c
  45 #define LINUX_SC_OLDMASK_OFF    0x50
  46 #define LINUX_SC_CR2_OFF        0x54
  47
  48 /* Offsets for x86 Linux "struct _fpstate":  */
  49
  50 #define LINUX_FPSTATE_CW_OFF            0x000
  51 #define LINUX_FPSTATE_SW_OFF            0x004
  52 #define LINUX_FPSTATE_TAG_OFF           0x008
  53 #define LINUX_FPSTATE_IPOFF_OFF         0x00c
  54 #define LINUX_FPSTATE_CSSEL_OFF         0x010
  55 #define LINUX_FPSTATE_DATAOFF_OFF       0x014
  56 #define LINUX_FPSTATE_DATASEL_OFF       0x018
  57 #define LINUX_FPSTATE_ST0_OFF           0x01c
  58 #define LINUX_FPSTATE_ST1_OFF           0x026
  59 #define LINUX_FPSTATE_ST2_OFF           0x030
  60 #define LINUX_FPSTATE_ST3_OFF           0x03a
  61 #define LINUX_FPSTATE_ST4_OFF           0x044
  62 #define LINUX_FPSTATE_ST5_OFF           0x04e
  63 #define LINUX_FPSTATE_ST6_OFF           0x058
  64 #define LINUX_FPSTATE_ST7_OFF           0x062
  65 #define LINUX_FPSTATE_STATUS_OFF        0x06c
  66 #define LINUX_FPSTATE_MAGIC_OFF         0x06e
  67 #define LINUX_FPSTATE_FXSR_ENV_OFF      0x070
  68 #define LINUX_FPSTATE_MXCSR_OFF         0x088
  69 #define LINUX_FPSTATE_FXSR_ST0_OFF      0x090
  70 #define LINUX_FPSTATE_FXSR_ST1_OFF      0x0a0
  71 #define LINUX_FPSTATE_FXSR_ST2_OFF      0x0b0
  72 #define LINUX_FPSTATE_FXSR_ST3_OFF      0x0c0
  73 #define LINUX_FPSTATE_FXSR_ST4_OFF      0x0d0
  74 #define LINUX_FPSTATE_FXSR_ST5_OFF      0x0e0
  75 #define LINUX_FPSTATE_FXSR_ST6_OFF      0x0f0
  76 #define LINUX_FPSTATE_FXSR_ST7_OFF      0x100
  77 #define LINUX_FPSTATE_XMM0_OFF          0x110
  78 #define LINUX_FPSTATE_XMM1_OFF          0x120
  79 #define LINUX_FPSTATE_XMM2_OFF          0x130
  80 #define LINUX_FPSTATE_XMM3_OFF          0x140
  81 #define LINUX_FPSTATE_XMM4_OFF          0x150
  82 #define LINUX_FPSTATE_XMM5_OFF          0x160
  83 #define LINUX_FPSTATE_XMM6_OFF          0x170
  84 #define LINUX_FPSTATE_XMM7_OFF          0x180
  85
  86 /* FreeBSD-specific definitions: */
  87
  88 #define FREEBSD_SC_UCONTEXT_OFF         0x20
  89 #define FREEBSD_UC_MCONTEXT_OFF         0x10
  90
  91 #define FREEBSD_UC_MCONTEXT_GS_OFF      0x14
  92 #define FREEBSD_UC_MCONTEXT_FS_OFF      0x18
  93 #define FREEBSD_UC_MCONTEXT_ES_OFF      0x1c
  94 #define FREEBSD_UC_MCONTEXT_DS_OFF      0x20
  95 #define FREEBSD_UC_MCONTEXT_EDI_OFF     0x24
  96 #define FREEBSD_UC_MCONTEXT_ESI_OFF     0x28
  97 #define FREEBSD_UC_MCONTEXT_EBP_OFF     0x2c
  98 #define FREEBSD_UC_MCONTEXT_EBX_OFF     0x34
  99 #define FREEBSD_UC_MCONTEXT_EDX_OFF     0x38
 100 #define FREEBSD_UC_MCONTEXT_ECX_OFF     0x3c
 101 #define FREEBSD_UC_MCONTEXT_EAX_OFF     0x40
 102 #define FREEBSD_UC_MCONTEXT_TRAPNO_OFF  0x44
 103 #define FREEBSD_UC_MCONTEXT_EIP_OFF     0x4c
 104 #define FREEBSD_UC_MCONTEXT_ESP_OFF     0x58
 105 #define FREEBSD_UC_MCONTEXT_CS_OFF      0x50
 106 #define FREEBSD_UC_MCONTEXT_EFLAGS_OFF  0x54
 107 #define FREEBSD_UC_MCONTEXT_SS_OFF      0x5c
 108 #define FREEBSD_UC_MCONTEXT_MC_LEN_OFF  0x60
 109 #define FREEBSD_UC_MCONTEXT_FPFORMAT_OFF 0x64
 110 #define FREEBSD_UC_MCONTEXT_OWNEDFP_OFF 0x68
 111 #define FREEBSD_UC_MCONTEXT_FPSTATE_OFF 0x70
 112
 113 #define FREEBSD_UC_MCONTEXT_CW_OFF      0x70
 114 #define FREEBSD_UC_MCONTEXT_SW_OFF      0x74
 115 #define FREEBSD_UC_MCONTEXT_TAG_OFF     0x78
 116 #define FREEBSD_UC_MCONTEXT_IPOFF_OFF   0x7c
 117 #define FREEBSD_UC_MCONTEXT_CSSEL_OFF   0x80
 118 #define FREEBSD_UC_MCONTEXT_DATAOFF_OFF 0x84
 119 #define FREEBSD_US_MCONTEXT_DATASEL_OFF 0x88
 120 #define FREEBSD_UC_MCONTEXT_ST0_OFF     0x8c
 121
 122 #define FREEBSD_UC_MCONTEXT_CW_XMM_OFF  0x70
 123 #define FREEBSD_UC_MCONTEXT_SW_XMM_OFF  0x72
 124 #define FREEBSD_UC_MCONTEXT_TAG_XMM_OFF 0x74
 125 #define FREEBSD_UC_MCONTEXT_IPOFF_XMM_OFF 0x78
 126 #define FREEBSD_UC_MCONTEXT_CSSEL_XMM_OFF 0x7c
 127 #define FREEBSD_UC_MCONTEXT_DATAOFF_XMM_OFF 0x80
 128 #define FREEBSD_US_MCONTEXT_DATASEL_XMM_OFF 0x84
 129 #define FREEBSD_UC_MCONTEXT_MXCSR_XMM_OFF 0x88
 130 #define FREEBSD_UC_MCONTEXT_ST0_XMM_OFF 0x90
 131 #define FREEBSD_UC_MCONTEXT_XMM0_OFF    0x110
 132
 133 #define FREEBSD_UC_MCONTEXT_MC_LEN_VAL  0x280
 134 #define FREEBSD_UC_MCONTEXT_FPFMT_NODEV 0x10000
 135 #define FREEBSD_UC_MCONTEXT_FPFMT_387   0x10001
 136 #define FREEBSD_UC_MCONTEXT_FPFMT_XMM   0x10002
 137 #define FREEBSD_UC_MCONTEXT_FPOWNED_NONE 0x20000
 138 #define FREEBSD_UC_MCONTEXT_FPOWNED_FPU 0x20001
 139 #define FREEBSD_UC_MCONTEXT_FPOWNED_PCB 0x20002
 140