contrib/llvm/tools/lldb/source/Plugins/SymbolFile/PDB/PDBLocationToDWARFExpression.cpp

   1 //===-- PDBLocationToDWARFExpression.cpp ------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "PDBLocationToDWARFExpression.h"
  11
  12 #include "lldb/Core/Section.h"
  13 #include "lldb/Core/StreamBuffer.h"
  14 #include "lldb/Core/dwarf.h"
  15 #include "lldb/Expression/DWARFExpression.h"
  16 #include "lldb/Utility/DataBufferHeap.h"
  17
  18 #include "llvm/DebugInfo/CodeView/CodeView.h"
  19 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
  20
  21 #include "Plugins/Process/Utility/lldb-x86-register-enums.h"
  22
  23 using namespace lldb;
  24 using namespace lldb_private;
  25 using namespace llvm::pdb;
  26
  27 namespace {
  28 const uint32_t g_code_view_to_lldb_registers_x86[] = {
  29     LLDB_INVALID_REGNUM, // NONE
  30     lldb_al_i386,        // AL
  31     lldb_cl_i386,        // CL
  32     lldb_dl_i386,        // DL
  33     lldb_bl_i386,        // BL
  34     lldb_ah_i386,        // AH
  35     lldb_ch_i386,        // CH
  36     lldb_dh_i386,        // DH
  37     lldb_bh_i386,        // BH
  38     lldb_ax_i386,        // AX
  39     lldb_cx_i386,        // CX
  40     lldb_dx_i386,        // DX
  41     lldb_bx_i386,        // BX
  42     lldb_sp_i386,        // SP
  43     lldb_bp_i386,        // BP
  44     lldb_si_i386,        // SI
  45     lldb_di_i386,        // DI
  46     lldb_eax_i386,       // EAX
  47     lldb_ecx_i386,       // ECX
  48     lldb_edx_i386,       // EDX
  49     lldb_ebx_i386,       // EBX
  50     lldb_esp_i386,       // ESP
  51     lldb_ebp_i386,       // EBP
  52     lldb_esi_i386,       // ESI
  53     lldb_edi_i386,       // EDI
  54     lldb_es_i386,        // ES
  55     lldb_cs_i386,        // CS
  56     lldb_ss_i386,        // SS
  57     lldb_ds_i386,        // DS
  58     lldb_fs_i386,        // FS
  59     lldb_gs_i386,        // GS
  60     LLDB_INVALID_REGNUM, // IP
  61     LLDB_INVALID_REGNUM, // FLAGS
  62     lldb_eip_i386,       // EIP
  63     lldb_eflags_i386,    // EFLAGS
  64     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  65     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  66     LLDB_INVALID_REGNUM, // TEMP
  67     LLDB_INVALID_REGNUM, // TEMPH
  68     LLDB_INVALID_REGNUM, // QUOTE
  69     LLDB_INVALID_REGNUM, // PCDR3
  70     LLDB_INVALID_REGNUM, // PCDR4
  71     LLDB_INVALID_REGNUM, // PCDR5
  72     LLDB_INVALID_REGNUM, // PCDR6
  73     LLDB_INVALID_REGNUM, // PCDR7
  74     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  75     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  76     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  77     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  78     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  79     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  80     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  81     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  82     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  83     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  84     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  85     LLDB_INVALID_REGNUM, // CR0
  86     LLDB_INVALID_REGNUM, // CR1
  87     LLDB_INVALID_REGNUM, // CR2
  88     LLDB_INVALID_REGNUM, // CR3
  89     LLDB_INVALID_REGNUM, // CR4
  90     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  91     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
  92     lldb_dr0_i386, // DR0
  93     lldb_dr1_i386, // DR1
  94     lldb_dr2_i386, // DR2
  95     lldb_dr3_i386, // DR3
  96     lldb_dr4_i386, // DR4
  97     lldb_dr5_i386, // DR5
  98     lldb_dr6_i386, // DR6
  99     lldb_dr7_i386, // DR7
 100     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 101     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 102     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 103     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 104     LLDB_INVALID_REGNUM, // GDTR
 105     LLDB_INVALID_REGNUM, // GDTL
 106     LLDB_INVALID_REGNUM, // IDTR
 107     LLDB_INVALID_REGNUM, // IDTL
 108     LLDB_INVALID_REGNUM, // LDTR
 109     LLDB_INVALID_REGNUM, // TR
 110     LLDB_INVALID_REGNUM, // PSEUDO1
 111     LLDB_INVALID_REGNUM, // PSEUDO2
 112     LLDB_INVALID_REGNUM, // PSEUDO3
 113     LLDB_INVALID_REGNUM, // PSEUDO4
 114     LLDB_INVALID_REGNUM, // PSEUDO5
 115     LLDB_INVALID_REGNUM, // PSEUDO6
 116     LLDB_INVALID_REGNUM, // PSEUDO7
 117     LLDB_INVALID_REGNUM, // PSEUDO8
 118     LLDB_INVALID_REGNUM, // PSEUDO9
 119     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 120     lldb_st0_i386,       // ST0
 121     lldb_st1_i386,       // ST1
 122     lldb_st2_i386,       // ST2
 123     lldb_st3_i386,       // ST3
 124     lldb_st4_i386,       // ST4
 125     lldb_st5_i386,       // ST5
 126     lldb_st6_i386,       // ST6
 127     lldb_st7_i386,       // ST7
 128     LLDB_INVALID_REGNUM, // CTRL
 129     LLDB_INVALID_REGNUM, // STAT
 130     LLDB_INVALID_REGNUM, // TAG
 131     LLDB_INVALID_REGNUM, // FPIP
 132     LLDB_INVALID_REGNUM, // FPCS
 133     LLDB_INVALID_REGNUM, // FPDO
 134     LLDB_INVALID_REGNUM, // FPDS
 135     LLDB_INVALID_REGNUM, // ISEM
 136     LLDB_INVALID_REGNUM, // FPEIP
 137     LLDB_INVALID_REGNUM, // FPEDO
 138     lldb_mm0_i386,       // MM0
 139     lldb_mm1_i386,       // MM1
 140     lldb_mm2_i386,       // MM2
 141     lldb_mm3_i386,       // MM3
 142     lldb_mm4_i386,       // MM4
 143     lldb_mm5_i386,       // MM5
 144     lldb_mm6_i386,       // MM6
 145     lldb_mm7_i386,       // MM7
 146     lldb_xmm0_i386,      // XMM0
 147     lldb_xmm1_i386,      // XMM1
 148     lldb_xmm2_i386,      // XMM2
 149     lldb_xmm3_i386,      // XMM3
 150     lldb_xmm4_i386,      // XMM4
 151     lldb_xmm5_i386,      // XMM5
 152     lldb_xmm6_i386,      // XMM6
 153     lldb_xmm7_i386       // XMM7
 154 };
 155
 156 const uint32_t g_code_view_to_lldb_registers_x86_64[] = {
 157     LLDB_INVALID_REGNUM, // NONE
 158     lldb_al_x86_64,      // AL
 159     lldb_cl_x86_64,      // CL
 160     lldb_dl_x86_64,      // DL
 161     lldb_bl_x86_64,      // BL
 162     lldb_ah_x86_64,      // AH
 163     lldb_ch_x86_64,      // CH
 164     lldb_dh_x86_64,      // DH
 165     lldb_bh_x86_64,      // BH
 166     lldb_ax_x86_64,      // AX
 167     lldb_cx_x86_64,      // CX
 168     lldb_dx_x86_64,      // DX
 169     lldb_bx_x86_64,      // BX
 170     lldb_sp_x86_64,      // SP
 171     lldb_bp_x86_64,      // BP
 172     lldb_si_x86_64,      // SI
 173     lldb_di_x86_64,      // DI
 174     lldb_eax_x86_64,     // EAX
 175     lldb_ecx_x86_64,     // ECX
 176     lldb_edx_x86_64,     // EDX
 177     lldb_ebx_x86_64,     // EBX
 178     lldb_esp_x86_64,     // ESP
 179     lldb_ebp_x86_64,     // EBP
 180     lldb_esi_x86_64,     // ESI
 181     lldb_edi_x86_64,     // EDI
 182     lldb_es_x86_64,      // ES
 183     lldb_cs_x86_64,      // CS
 184     lldb_ss_x86_64,      // SS
 185     lldb_ds_x86_64,      // DS
 186     lldb_fs_x86_64,      // FS
 187     lldb_gs_x86_64,      // GS
 188     LLDB_INVALID_REGNUM, // IP
 189     LLDB_INVALID_REGNUM, // FLAGS
 190     LLDB_INVALID_REGNUM, // EIP
 191     LLDB_INVALID_REGNUM, // EFLAGS
 192     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 193     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 194     LLDB_INVALID_REGNUM, // TEMP
 195     LLDB_INVALID_REGNUM, // TEMPH
 196     LLDB_INVALID_REGNUM, // QUOTE
 197     LLDB_INVALID_REGNUM, // PCDR3
 198     LLDB_INVALID_REGNUM, // PCDR4
 199     LLDB_INVALID_REGNUM, // PCDR5
 200     LLDB_INVALID_REGNUM, // PCDR6
 201     LLDB_INVALID_REGNUM, // PCDR7
 202     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 203     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 204     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 205     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 206     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 207     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 208     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 209     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 210     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 211     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 212     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 213     LLDB_INVALID_REGNUM, // CR0
 214     LLDB_INVALID_REGNUM, // CR1
 215     LLDB_INVALID_REGNUM, // CR2
 216     LLDB_INVALID_REGNUM, // CR3
 217     LLDB_INVALID_REGNUM, // CR4
 218     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 219     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 220     lldb_dr0_x86_64, // DR0
 221     lldb_dr1_x86_64, // DR1
 222     lldb_dr2_x86_64, // DR2
 223     lldb_dr3_x86_64, // DR3
 224     lldb_dr4_x86_64, // DR4
 225     lldb_dr5_x86_64, // DR5
 226     lldb_dr6_x86_64, // DR6
 227     lldb_dr7_x86_64, // DR7
 228     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 229     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 230     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 231     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 232     LLDB_INVALID_REGNUM, // GDTR
 233     LLDB_INVALID_REGNUM, // GDTL
 234     LLDB_INVALID_REGNUM, // IDTR
 235     LLDB_INVALID_REGNUM, // IDTL
 236     LLDB_INVALID_REGNUM, // LDTR
 237     LLDB_INVALID_REGNUM, // TR
 238     LLDB_INVALID_REGNUM, // PSEUDO1
 239     LLDB_INVALID_REGNUM, // PSEUDO2
 240     LLDB_INVALID_REGNUM, // PSEUDO3
 241     LLDB_INVALID_REGNUM, // PSEUDO4
 242     LLDB_INVALID_REGNUM, // PSEUDO5
 243     LLDB_INVALID_REGNUM, // PSEUDO6
 244     LLDB_INVALID_REGNUM, // PSEUDO7
 245     LLDB_INVALID_REGNUM, // PSEUDO8
 246     LLDB_INVALID_REGNUM, // PSEUDO9
 247     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 248     lldb_st0_x86_64,     // ST0
 249     lldb_st1_x86_64,     // ST1
 250     lldb_st2_x86_64,     // ST2
 251     lldb_st3_x86_64,     // ST3
 252     lldb_st4_x86_64,     // ST4
 253     lldb_st5_x86_64,     // ST5
 254     lldb_st6_x86_64,     // ST6
 255     lldb_st7_x86_64,     // ST7
 256     LLDB_INVALID_REGNUM, // CTRL
 257     LLDB_INVALID_REGNUM, // STAT
 258     LLDB_INVALID_REGNUM, // TAG
 259     LLDB_INVALID_REGNUM, // FPIP
 260     LLDB_INVALID_REGNUM, // FPCS
 261     LLDB_INVALID_REGNUM, // FPDO
 262     LLDB_INVALID_REGNUM, // FPDS
 263     LLDB_INVALID_REGNUM, // ISEM
 264     LLDB_INVALID_REGNUM, // FPEIP
 265     LLDB_INVALID_REGNUM, // FPEDO
 266     lldb_mm0_x86_64,     // MM0
 267     lldb_mm1_x86_64,     // MM1
 268     lldb_mm2_x86_64,     // MM2
 269     lldb_mm3_x86_64,     // MM3
 270     lldb_mm4_x86_64,     // MM4
 271     lldb_mm5_x86_64,     // MM5
 272     lldb_mm6_x86_64,     // MM6
 273     lldb_mm7_x86_64,     // MM7
 274     lldb_xmm0_x86_64,    // XMM0
 275     lldb_xmm1_x86_64,    // XMM1
 276     lldb_xmm2_x86_64,    // XMM2
 277     lldb_xmm3_x86_64,    // XMM3
 278     lldb_xmm4_x86_64,    // XMM4
 279     lldb_xmm5_x86_64,    // XMM5
 280     lldb_xmm6_x86_64,    // XMM6
 281     lldb_xmm7_x86_64,    // XMM7
 282     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 283     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 284     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 285     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 286     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 287     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 288     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 289     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 290     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 291     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 292     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 293     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 294     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 295     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 296     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 297     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 298     LLDB_INVALID_REGNUM,
 299     lldb_mxcsr_x86_64,   // MXCSR
 300     LLDB_INVALID_REGNUM, // EDXEAX
 301     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 302     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 303     LLDB_INVALID_REGNUM,
 304     LLDB_INVALID_REGNUM, // EMM0L
 305     LLDB_INVALID_REGNUM, // EMM1L
 306     LLDB_INVALID_REGNUM, // EMM2L
 307     LLDB_INVALID_REGNUM, // EMM3L
 308     LLDB_INVALID_REGNUM, // EMM4L
 309     LLDB_INVALID_REGNUM, // EMM5L
 310     LLDB_INVALID_REGNUM, // EMM6L
 311     LLDB_INVALID_REGNUM, // EMM7L
 312     LLDB_INVALID_REGNUM, // EMM0H
 313     LLDB_INVALID_REGNUM, // EMM1H
 314     LLDB_INVALID_REGNUM, // EMM2H
 315     LLDB_INVALID_REGNUM, // EMM3H
 316     LLDB_INVALID_REGNUM, // EMM4H
 317     LLDB_INVALID_REGNUM, // EMM5H
 318     LLDB_INVALID_REGNUM, // EMM6H
 319     LLDB_INVALID_REGNUM, // EMM7H
 320     LLDB_INVALID_REGNUM, // MM00
 321     LLDB_INVALID_REGNUM, // MM01
 322     LLDB_INVALID_REGNUM, // MM10
 323     LLDB_INVALID_REGNUM, // MM11
 324     LLDB_INVALID_REGNUM, // MM20
 325     LLDB_INVALID_REGNUM, // MM21
 326     LLDB_INVALID_REGNUM, // MM30
 327     LLDB_INVALID_REGNUM, // MM31
 328     LLDB_INVALID_REGNUM, // MM40
 329     LLDB_INVALID_REGNUM, // MM41
 330     LLDB_INVALID_REGNUM, // MM50
 331     LLDB_INVALID_REGNUM, // MM51
 332     LLDB_INVALID_REGNUM, // MM60
 333     LLDB_INVALID_REGNUM, // MM61
 334     LLDB_INVALID_REGNUM, // MM70
 335     LLDB_INVALID_REGNUM, // MM71
 336     lldb_xmm8_x86_64,    // XMM8
 337     lldb_xmm9_x86_64,    // XMM9
 338     lldb_xmm10_x86_64,   // XMM10
 339     lldb_xmm11_x86_64,   // XMM11
 340     lldb_xmm12_x86_64,   // XMM12
 341     lldb_xmm13_x86_64,   // XMM13
 342     lldb_xmm14_x86_64,   // XMM14
 343     lldb_xmm15_x86_64,   // XMM15
 344     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 345     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 346     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 347     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 348     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 349     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 350     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 351     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 352     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 353     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 354     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 355     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 356     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 357     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 358     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 359     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 360     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 361     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 362     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 363     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 364     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 365     LLDB_INVALID_REGNUM,
 366     lldb_sil_x86_64,   // SIL
 367     lldb_dil_x86_64,   // DIL
 368     lldb_bpl_x86_64,   // BPL
 369     lldb_spl_x86_64,   // SPL
 370     lldb_rax_x86_64,   // RAX
 371     lldb_rbx_x86_64,   // RBX
 372     lldb_rcx_x86_64,   // RCX
 373     lldb_rdx_x86_64,   // RDX
 374     lldb_rsi_x86_64,   // RSI
 375     lldb_rdi_x86_64,   // RDI
 376     lldb_rbp_x86_64,   // RBP
 377     lldb_rsp_x86_64,   // RSP
 378     lldb_r8_x86_64,    // R8
 379     lldb_r9_x86_64,    // R9
 380     lldb_r10_x86_64,   // R10
 381     lldb_r11_x86_64,   // R11
 382     lldb_r12_x86_64,   // R12
 383     lldb_r13_x86_64,   // R13
 384     lldb_r14_x86_64,   // R14
 385     lldb_r15_x86_64,   // R15
 386     lldb_r8l_x86_64,   // R8B
 387     lldb_r9l_x86_64,   // R9B
 388     lldb_r10l_x86_64,  // R10B
 389     lldb_r11l_x86_64,  // R11B
 390     lldb_r12l_x86_64,  // R12B
 391     lldb_r13l_x86_64,  // R13B
 392     lldb_r14l_x86_64,  // R14B
 393     lldb_r15l_x86_64,  // R15B
 394     lldb_r8w_x86_64,   // R8W
 395     lldb_r9w_x86_64,   // R9W
 396     lldb_r10w_x86_64,  // R10W
 397     lldb_r11w_x86_64,  // R11W
 398     lldb_r12w_x86_64,  // R12W
 399     lldb_r13w_x86_64,  // R13W
 400     lldb_r14w_x86_64,  // R14W
 401     lldb_r15w_x86_64,  // R15W
 402     lldb_r8d_x86_64,   // R8D
 403     lldb_r9d_x86_64,   // R9D
 404     lldb_r10d_x86_64,  // R10D
 405     lldb_r11d_x86_64,  // R11D
 406     lldb_r12d_x86_64,  // R12D
 407     lldb_r13d_x86_64,  // R13D
 408     lldb_r14d_x86_64,  // R14D
 409     lldb_r15d_x86_64,  // R15D
 410     lldb_ymm0_x86_64,  // AMD64_YMM0
 411     lldb_ymm1_x86_64,  // AMD64_YMM1
 412     lldb_ymm2_x86_64,  // AMD64_YMM2
 413     lldb_ymm3_x86_64,  // AMD64_YMM3
 414     lldb_ymm4_x86_64,  // AMD64_YMM4
 415     lldb_ymm5_x86_64,  // AMD64_YMM5
 416     lldb_ymm6_x86_64,  // AMD64_YMM6
 417     lldb_ymm7_x86_64,  // AMD64_YMM7
 418     lldb_ymm8_x86_64,  // AMD64_YMM8
 419     lldb_ymm9_x86_64,  // AMD64_YMM9
 420     lldb_ymm10_x86_64, // AMD64_YMM10
 421     lldb_ymm11_x86_64, // AMD64_YMM11
 422     lldb_ymm12_x86_64, // AMD64_YMM12
 423     lldb_ymm13_x86_64, // AMD64_YMM13
 424     lldb_ymm14_x86_64, // AMD64_YMM14
 425     lldb_ymm15_x86_64, // AMD64_YMM15
 426     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 427     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 428     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 429     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
 430     lldb_bnd0_x86_64, // BND0
 431     lldb_bnd1_x86_64, // BND1
 432     lldb_bnd2_x86_64  // BND2
 433 };
 434
 435 uint32_t GetLLDBRegisterNumber(llvm::Triple::ArchType arch_type,
 436                                llvm::codeview::RegisterId register_id) {
 437   switch (arch_type) {
 438   case llvm::Triple::x86:
 439     if (static_cast<uint16_t>(register_id) <
 440         sizeof(g_code_view_to_lldb_registers_x86) /
 441             sizeof(g_code_view_to_lldb_registers_x86[0]))
 442       return g_code_view_to_lldb_registers_x86[static_cast<uint16_t>(
 443           register_id)];
 444
 445     switch (register_id) {
 446     case llvm::codeview::RegisterId::MXCSR:
 447       return lldb_mxcsr_i386;
 448     case llvm::codeview::RegisterId::BND0:
 449       return lldb_bnd0_i386;
 450     case llvm::codeview::RegisterId::BND1:
 451       return lldb_bnd1_i386;
 452     case llvm::codeview::RegisterId::BND2:
 453       return lldb_bnd2_i386;
 454     default:
 455       return LLDB_INVALID_REGNUM;
 456     }
 457   case llvm::Triple::x86_64:
 458     if (static_cast<uint16_t>(register_id) <
 459         sizeof(g_code_view_to_lldb_registers_x86_64) /
 460             sizeof(g_code_view_to_lldb_registers_x86_64[0]))
 461       return g_code_view_to_lldb_registers_x86_64[static_cast<uint16_t>(
 462           register_id)];
 463
 464     return LLDB_INVALID_REGNUM;
 465   default:
 466     return LLDB_INVALID_REGNUM;
 467   }
 468 }
 469
 470 uint32_t GetGenericRegisterNumber(llvm::codeview::RegisterId register_id) {
 471   if (register_id == llvm::codeview::RegisterId::VFRAME)
 472     return LLDB_REGNUM_GENERIC_FP;
 473
 474   return LLDB_INVALID_REGNUM;
 475 }
 476
 477 uint32_t GetRegisterNumber(llvm::Triple::ArchType arch_type,
 478                            llvm::codeview::RegisterId register_id,
 479                            RegisterKind &register_kind) {
 480   register_kind = eRegisterKindLLDB;
 481   uint32_t reg_num = GetLLDBRegisterNumber(arch_type, register_id);
 482   if (reg_num != LLDB_INVALID_REGNUM)
 483     return reg_num;
 484
 485   register_kind = eRegisterKindGeneric;
 486   return GetGenericRegisterNumber(register_id);
 487 }
 488 } // namespace
 489
 490 DWARFExpression ConvertPDBLocationToDWARFExpression(ModuleSP module,
 491                                                     const PDBSymbolData &symbol,
 492                                                     bool &is_constant) {
 493   is_constant = true;
 494
 495   if (!module)
 496     return DWARFExpression(nullptr);
 497
 498   const ArchSpec &architecture = module->GetArchitecture();
 499   llvm::Triple::ArchType arch_type = architecture.GetMachine();
 500   ByteOrder byte_order = architecture.GetByteOrder();
 501   uint32_t address_size = architecture.GetAddressByteSize();
 502   uint32_t byte_size = architecture.GetDataByteSize();
 503   if (byte_order == eByteOrderInvalid || address_size == 0)
 504     return DWARFExpression(nullptr);
 505
 506   RegisterKind register_kind = eRegisterKindDWARF;
 507   StreamBuffer<32> stream(Stream::eBinary, address_size, byte_order);
 508   switch (symbol.getLocationType()) {
 509   case PDB_LocType::Static:
 510   case PDB_LocType::TLS: {
 511     stream.PutHex8(DW_OP_addr);
 512
 513     SectionList *section_list = module->GetSectionList();
 514     if (!section_list)
 515       return DWARFExpression(nullptr);
 516
 517     uint32_t section_idx = symbol.getAddressSection() - 1;
 518     if (section_idx >= section_list->GetSize())
 519       return DWARFExpression(nullptr);
 520
 521     auto section = section_list->GetSectionAtIndex(section_idx);
 522     if (!section)
 523       return DWARFExpression(nullptr);
 524
 525     uint32_t offset = symbol.getAddressOffset();
 526     stream.PutMaxHex64(section->GetFileAddress() + offset, address_size,
 527                        byte_order);
 528
 529     is_constant = false;
 530
 531     break;
 532   }
 533   case PDB_LocType::RegRel: {
 534     uint32_t reg_num =
 535         GetRegisterNumber(arch_type, symbol.getRegisterId(), register_kind);
 536     if (reg_num == LLDB_INVALID_REGNUM)
 537       return DWARFExpression(nullptr);
 538
 539     if (reg_num > 31) {
 540       stream.PutHex8(DW_OP_bregx);
 541       stream.PutULEB128(reg_num);
 542     } else
 543       stream.PutHex8(DW_OP_breg0 + reg_num);
 544
 545     int32_t offset = symbol.getOffset();
 546     stream.PutSLEB128(offset);
 547
 548     is_constant = false;
 549
 550     break;
 551   }
 552   case PDB_LocType::Enregistered: {
 553     uint32_t reg_num =
 554         GetRegisterNumber(arch_type, symbol.getRegisterId(), register_kind);
 555     if (reg_num == LLDB_INVALID_REGNUM)
 556       return DWARFExpression(nullptr);
 557
 558     if (reg_num > 31) {
 559       stream.PutHex8(DW_OP_regx);
 560       stream.PutULEB128(reg_num);
 561     } else
 562       stream.PutHex8(DW_OP_reg0 + reg_num);
 563
 564     is_constant = false;
 565
 566     break;
 567   }
 568   case PDB_LocType::Constant: {
 569     Variant value = symbol.getValue();
 570     stream.PutRawBytes(&value.Value, sizeof(value.Value),
 571                        endian::InlHostByteOrder());
 572     break;
 573   }
 574   default:
 575     return DWARFExpression(nullptr);
 576   }
 577
 578   DataBufferSP buffer =
 579       std::make_shared<DataBufferHeap>(stream.GetData(), stream.GetSize());
 580   DataExtractor extractor(buffer, byte_order, address_size, byte_size);
 581   DWARFExpression result(module, extractor, nullptr, 0, buffer->GetByteSize());
 582   result.SetRegisterKind(register_kind);
 583
 584   return result;
 585 }