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Source file src/cmd/internal/obj/x86/a.out.go

Documentation: cmd/internal/obj/x86

     1  // Inferno utils/6c/6.out.h
     2  // https://bitbucket.org/inferno-os/inferno-os/src/master/utils/6c/6.out.h
     3  //
     4  //	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
     5  //	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
     6  //	Portions Copyright © 1997-1999 Vita Nuova Limited
     7  //	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
     8  //	Portions Copyright © 2004,2006 Bruce Ellis
     9  //	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
    10  //	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
    11  //	Portions Copyright © 2009 The Go Authors. All rights reserved.
    12  //
    13  // Permission is hereby granted, free of charge, to any person obtaining a copy
    14  // of this software and associated documentation files (the "Software"), to deal
    15  // in the Software without restriction, including without limitation the rights
    16  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    17  // copies of the Software, and to permit persons to whom the Software is
    18  // furnished to do so, subject to the following conditions:
    19  //
    20  // The above copyright notice and this permission notice shall be included in
    21  // all copies or substantial portions of the Software.
    22  //
    23  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    24  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    25  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    26  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    27  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    28  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    29  // THE SOFTWARE.
    30  
    31  package x86
    32  
    33  import "cmd/internal/obj"
    34  
    35  const (
    36  	REG_NONE = 0
    37  )
    38  
    39  const (
    40  	REG_AL = obj.RBaseAMD64 + iota
    41  	REG_CL
    42  	REG_DL
    43  	REG_BL
    44  	REG_SPB
    45  	REG_BPB
    46  	REG_SIB
    47  	REG_DIB
    48  	REG_R8B
    49  	REG_R9B
    50  	REG_R10B
    51  	REG_R11B
    52  	REG_R12B
    53  	REG_R13B
    54  	REG_R14B
    55  	REG_R15B
    56  
    57  	REG_AX
    58  	REG_CX
    59  	REG_DX
    60  	REG_BX
    61  	REG_SP
    62  	REG_BP
    63  	REG_SI
    64  	REG_DI
    65  	REG_R8
    66  	REG_R9
    67  	REG_R10
    68  	REG_R11
    69  	REG_R12
    70  	REG_R13
    71  	REG_R14
    72  	REG_R15
    73  
    74  	REG_AH
    75  	REG_CH
    76  	REG_DH
    77  	REG_BH
    78  
    79  	REG_F0
    80  	REG_F1
    81  	REG_F2
    82  	REG_F3
    83  	REG_F4
    84  	REG_F5
    85  	REG_F6
    86  	REG_F7
    87  
    88  	REG_M0
    89  	REG_M1
    90  	REG_M2
    91  	REG_M3
    92  	REG_M4
    93  	REG_M5
    94  	REG_M6
    95  	REG_M7
    96  
    97  	REG_K0
    98  	REG_K1
    99  	REG_K2
   100  	REG_K3
   101  	REG_K4
   102  	REG_K5
   103  	REG_K6
   104  	REG_K7
   105  
   106  	REG_X0
   107  	REG_X1
   108  	REG_X2
   109  	REG_X3
   110  	REG_X4
   111  	REG_X5
   112  	REG_X6
   113  	REG_X7
   114  	REG_X8
   115  	REG_X9
   116  	REG_X10
   117  	REG_X11
   118  	REG_X12
   119  	REG_X13
   120  	REG_X14
   121  	REG_X15
   122  	REG_X16
   123  	REG_X17
   124  	REG_X18
   125  	REG_X19
   126  	REG_X20
   127  	REG_X21
   128  	REG_X22
   129  	REG_X23
   130  	REG_X24
   131  	REG_X25
   132  	REG_X26
   133  	REG_X27
   134  	REG_X28
   135  	REG_X29
   136  	REG_X30
   137  	REG_X31
   138  
   139  	REG_Y0
   140  	REG_Y1
   141  	REG_Y2
   142  	REG_Y3
   143  	REG_Y4
   144  	REG_Y5
   145  	REG_Y6
   146  	REG_Y7
   147  	REG_Y8
   148  	REG_Y9
   149  	REG_Y10
   150  	REG_Y11
   151  	REG_Y12
   152  	REG_Y13
   153  	REG_Y14
   154  	REG_Y15
   155  	REG_Y16
   156  	REG_Y17
   157  	REG_Y18
   158  	REG_Y19
   159  	REG_Y20
   160  	REG_Y21
   161  	REG_Y22
   162  	REG_Y23
   163  	REG_Y24
   164  	REG_Y25
   165  	REG_Y26
   166  	REG_Y27
   167  	REG_Y28
   168  	REG_Y29
   169  	REG_Y30
   170  	REG_Y31
   171  
   172  	REG_Z0
   173  	REG_Z1
   174  	REG_Z2
   175  	REG_Z3
   176  	REG_Z4
   177  	REG_Z5
   178  	REG_Z6
   179  	REG_Z7
   180  	REG_Z8
   181  	REG_Z9
   182  	REG_Z10
   183  	REG_Z11
   184  	REG_Z12
   185  	REG_Z13
   186  	REG_Z14
   187  	REG_Z15
   188  	REG_Z16
   189  	REG_Z17
   190  	REG_Z18
   191  	REG_Z19
   192  	REG_Z20
   193  	REG_Z21
   194  	REG_Z22
   195  	REG_Z23
   196  	REG_Z24
   197  	REG_Z25
   198  	REG_Z26
   199  	REG_Z27
   200  	REG_Z28
   201  	REG_Z29
   202  	REG_Z30
   203  	REG_Z31
   204  
   205  	REG_CS
   206  	REG_SS
   207  	REG_DS
   208  	REG_ES
   209  	REG_FS
   210  	REG_GS
   211  
   212  	REG_GDTR // global descriptor table register
   213  	REG_IDTR // interrupt descriptor table register
   214  	REG_LDTR // local descriptor table register
   215  	REG_MSW  // machine status word
   216  	REG_TASK // task register
   217  
   218  	REG_CR0
   219  	REG_CR1
   220  	REG_CR2
   221  	REG_CR3
   222  	REG_CR4
   223  	REG_CR5
   224  	REG_CR6
   225  	REG_CR7
   226  	REG_CR8
   227  	REG_CR9
   228  	REG_CR10
   229  	REG_CR11
   230  	REG_CR12
   231  	REG_CR13
   232  	REG_CR14
   233  	REG_CR15
   234  
   235  	REG_DR0
   236  	REG_DR1
   237  	REG_DR2
   238  	REG_DR3
   239  	REG_DR4
   240  	REG_DR5
   241  	REG_DR6
   242  	REG_DR7
   243  
   244  	REG_TR0
   245  	REG_TR1
   246  	REG_TR2
   247  	REG_TR3
   248  	REG_TR4
   249  	REG_TR5
   250  	REG_TR6
   251  	REG_TR7
   252  
   253  	REG_TLS
   254  
   255  	MAXREG
   256  
   257  	REG_CR = REG_CR0
   258  	REG_DR = REG_DR0
   259  	REG_TR = REG_TR0
   260  
   261  	REGARG   = -1
   262  	REGRET   = REG_AX
   263  	FREGRET  = REG_X0
   264  	REGSP    = REG_SP
   265  	REGCTXT  = REG_DX
   266  	REGEXT   = REG_R15     // compiler allocates external registers R15 down
   267  	FREGMIN  = REG_X0 + 5  // first register variable
   268  	FREGEXT  = REG_X0 + 15 // first external register
   269  	T_TYPE   = 1 << 0
   270  	T_INDEX  = 1 << 1
   271  	T_OFFSET = 1 << 2
   272  	T_FCONST = 1 << 3
   273  	T_SYM    = 1 << 4
   274  	T_SCONST = 1 << 5
   275  	T_64     = 1 << 6
   276  	T_GOTYPE = 1 << 7
   277  )
   278  
   279  // https://www.uclibc.org/docs/psABI-x86_64.pdf, figure 3.36
   280  var AMD64DWARFRegisters = map[int16]int16{
   281  	REG_AX:  0,
   282  	REG_DX:  1,
   283  	REG_CX:  2,
   284  	REG_BX:  3,
   285  	REG_SI:  4,
   286  	REG_DI:  5,
   287  	REG_BP:  6,
   288  	REG_SP:  7,
   289  	REG_R8:  8,
   290  	REG_R9:  9,
   291  	REG_R10: 10,
   292  	REG_R11: 11,
   293  	REG_R12: 12,
   294  	REG_R13: 13,
   295  	REG_R14: 14,
   296  	REG_R15: 15,
   297  	// 16 is "Return Address RA", whatever that is.
   298  	// 17-24 vector registers (X/Y/Z).
   299  	REG_X0: 17,
   300  	REG_X1: 18,
   301  	REG_X2: 19,
   302  	REG_X3: 20,
   303  	REG_X4: 21,
   304  	REG_X5: 22,
   305  	REG_X6: 23,
   306  	REG_X7: 24,
   307  	// 25-32 extended vector registers (X/Y/Z).
   308  	REG_X8:  25,
   309  	REG_X9:  26,
   310  	REG_X10: 27,
   311  	REG_X11: 28,
   312  	REG_X12: 29,
   313  	REG_X13: 30,
   314  	REG_X14: 31,
   315  	REG_X15: 32,
   316  	// ST registers. %stN => FN.
   317  	REG_F0: 33,
   318  	REG_F1: 34,
   319  	REG_F2: 35,
   320  	REG_F3: 36,
   321  	REG_F4: 37,
   322  	REG_F5: 38,
   323  	REG_F6: 39,
   324  	REG_F7: 40,
   325  	// MMX registers. %mmN => MN.
   326  	REG_M0: 41,
   327  	REG_M1: 42,
   328  	REG_M2: 43,
   329  	REG_M3: 44,
   330  	REG_M4: 45,
   331  	REG_M5: 46,
   332  	REG_M6: 47,
   333  	REG_M7: 48,
   334  	// 48 is flags, which doesn't have a name.
   335  	REG_ES: 50,
   336  	REG_CS: 51,
   337  	REG_SS: 52,
   338  	REG_DS: 53,
   339  	REG_FS: 54,
   340  	REG_GS: 55,
   341  	// 58 and 59 are {fs,gs}base, which don't have names.
   342  	REG_TR:   62,
   343  	REG_LDTR: 63,
   344  	// 64-66 are mxcsr, fcw, fsw, which don't have names.
   345  
   346  	// 67-82 upper vector registers (X/Y/Z).
   347  	REG_X16: 67,
   348  	REG_X17: 68,
   349  	REG_X18: 69,
   350  	REG_X19: 70,
   351  	REG_X20: 71,
   352  	REG_X21: 72,
   353  	REG_X22: 73,
   354  	REG_X23: 74,
   355  	REG_X24: 75,
   356  	REG_X25: 76,
   357  	REG_X26: 77,
   358  	REG_X27: 78,
   359  	REG_X28: 79,
   360  	REG_X29: 80,
   361  	REG_X30: 81,
   362  	REG_X31: 82,
   363  
   364  	// 118-125 vector mask registers. %kN => KN.
   365  	REG_K0: 118,
   366  	REG_K1: 119,
   367  	REG_K2: 120,
   368  	REG_K3: 121,
   369  	REG_K4: 122,
   370  	REG_K5: 123,
   371  	REG_K6: 124,
   372  	REG_K7: 125,
   373  }
   374  
   375  // https://www.uclibc.org/docs/psABI-i386.pdf, table 2.14
   376  var X86DWARFRegisters = map[int16]int16{
   377  	REG_AX: 0,
   378  	REG_CX: 1,
   379  	REG_DX: 2,
   380  	REG_BX: 3,
   381  	REG_SP: 4,
   382  	REG_BP: 5,
   383  	REG_SI: 6,
   384  	REG_DI: 7,
   385  	// 8 is "Return Address RA", whatever that is.
   386  	// 9 is flags, which doesn't have a name.
   387  	// ST registers. %stN => FN.
   388  	REG_F0: 11,
   389  	REG_F1: 12,
   390  	REG_F2: 13,
   391  	REG_F3: 14,
   392  	REG_F4: 15,
   393  	REG_F5: 16,
   394  	REG_F6: 17,
   395  	REG_F7: 18,
   396  	// XMM registers. %xmmN => XN.
   397  	REG_X0: 21,
   398  	REG_X1: 22,
   399  	REG_X2: 23,
   400  	REG_X3: 24,
   401  	REG_X4: 25,
   402  	REG_X5: 26,
   403  	REG_X6: 27,
   404  	REG_X7: 28,
   405  	// MMX registers. %mmN => MN.
   406  	REG_M0: 29,
   407  	REG_M1: 30,
   408  	REG_M2: 31,
   409  	REG_M3: 32,
   410  	REG_M4: 33,
   411  	REG_M5: 34,
   412  	REG_M6: 35,
   413  	REG_M7: 36,
   414  	// 39 is mxcsr, which doesn't have a name.
   415  	REG_ES:   40,
   416  	REG_CS:   41,
   417  	REG_SS:   42,
   418  	REG_DS:   43,
   419  	REG_FS:   44,
   420  	REG_GS:   45,
   421  	REG_TR:   48,
   422  	REG_LDTR: 49,
   423  }
   424  

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