contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterInfos_mips.h

   1 //===-- RegisterInfos_mips.h -----------------------------------*- 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 <stddef.h>
  11
  12 #include "lldb/Core/dwarf.h"
  13 #include "llvm/Support/Compiler.h"
  14
  15
  16 #ifdef DECLARE_REGISTER_INFOS_MIPS_STRUCT
  17
  18 // Computes the offset of the given GPR in the user data area.
  19 #define GPR_OFFSET(regname)                                                    \
  20   (LLVM_EXTENSION offsetof(UserArea, gpr) +                                    \
  21    LLVM_EXTENSION offsetof(GPR_linux_mips, regname))
  22
  23 // Computes the offset of the given FPR in the extended data area.
  24 #define FPR_OFFSET(regname)                                                    \
  25   (LLVM_EXTENSION offsetof(UserArea, fpr) +                                    \
  26    LLVM_EXTENSION offsetof(FPR_linux_mips, regname))
  27
  28 // Computes the offset of the given MSA in the extended data area.
  29 #define MSA_OFFSET(regname)                                                    \
  30   (LLVM_EXTENSION offsetof(UserArea, msa) +                                    \
  31    LLVM_EXTENSION offsetof(MSA_linux_mips, regname))
  32
  33 // Note that the size and offset will be updated by platform-specific classes.
  34 #define DEFINE_GPR(reg, alt, kind1, kind2, kind3)                              \
  35   {                                                                            \
  36     #reg, alt, sizeof(((GPR_linux_mips *) NULL)->reg) / 2,                     \
  37                       GPR_OFFSET(reg), eEncodingUint, eFormatHex,              \
  38                                  {kind1, kind2, kind3, ptrace_##reg##_mips,    \
  39                                   gpr_##reg##_mips },                          \
  40                                   NULL, NULL, NULL, 0                          \
  41   }
  42
  43 const uint8_t dwarf_opcode_mips[] = {
  44     llvm::dwarf::DW_OP_regx,  dwarf_sr_mips,          llvm::dwarf::DW_OP_lit1,
  45     llvm::dwarf::DW_OP_lit26, llvm::dwarf::DW_OP_shl, llvm::dwarf::DW_OP_and,
  46     llvm::dwarf::DW_OP_lit26, llvm::dwarf::DW_OP_shr};
  47
  48 #define DEFINE_FPR(reg, alt, kind1, kind2, kind3)                              \
  49   {                                                                            \
  50     #reg, alt, sizeof(((FPR_linux_mips *) NULL)->reg),                         \
  51                       FPR_OFFSET(reg), eEncodingIEEE754, eFormatFloat,         \
  52                                  {kind1, kind2, kind3, ptrace_##reg##_mips,    \
  53                                   fpr_##reg##_mips },                          \
  54                                   NULL, NULL, dwarf_opcode_mips,               \
  55                                   sizeof(dwarf_opcode_mips)                    \
  56   }
  57
  58 #define DEFINE_FPR_INFO(reg, alt, kind1, kind2, kind3)                         \
  59   {                                                                            \
  60     #reg, alt, sizeof(((FPR_linux_mips *) NULL)->reg),                         \
  61                       FPR_OFFSET(reg), eEncodingUint, eFormatHex,              \
  62                                  {kind1, kind2, kind3, ptrace_##reg##_mips,    \
  63                                   fpr_##reg##_mips },                          \
  64                                   NULL, NULL, NULL, 0                          \
  65   }
  66
  67 #define DEFINE_MSA(reg, alt, kind1, kind2, kind3, kind4)                       \
  68   {                                                                            \
  69     #reg, alt, sizeof(((MSA_linux_mips *) 0)->reg),                            \
  70                       MSA_OFFSET(reg), eEncodingVector, eFormatVectorOfUInt8,  \
  71                                  {kind1, kind2, kind3, kind4,                  \
  72                                   msa_##reg##_mips },                          \
  73                                   NULL, NULL, NULL, 0                          \
  74   }
  75
  76 #define DEFINE_MSA_INFO(reg, alt, kind1, kind2, kind3, kind4)                  \
  77   {                                                                            \
  78     #reg, alt, sizeof(((MSA_linux_mips *) 0)->reg),                            \
  79                       MSA_OFFSET(reg), eEncodingUint, eFormatHex,              \
  80                                  {kind1, kind2, kind3, kind4,                  \
  81                                   msa_##reg##_mips },                          \
  82                                   NULL, NULL, NULL, 0                          \
  83   }
  84
  85 // RegisterKind: EH_Frame, DWARF, Generic, Procss Plugin, LLDB
  86
  87 static RegisterInfo g_register_infos_mips[] = {
  88     DEFINE_GPR(zero, "zero", dwarf_zero_mips, dwarf_zero_mips,
  89                LLDB_INVALID_REGNUM),
  90     DEFINE_GPR(r1, "at", dwarf_r1_mips, dwarf_r1_mips, LLDB_INVALID_REGNUM),
  91     DEFINE_GPR(r2, nullptr, dwarf_r2_mips, dwarf_r2_mips, LLDB_INVALID_REGNUM),
  92     DEFINE_GPR(r3, nullptr, dwarf_r3_mips, dwarf_r3_mips, LLDB_INVALID_REGNUM),
  93     DEFINE_GPR(r4, nullptr, dwarf_r4_mips, dwarf_r4_mips,
  94                LLDB_REGNUM_GENERIC_ARG1),
  95     DEFINE_GPR(r5, nullptr, dwarf_r5_mips, dwarf_r5_mips,
  96                LLDB_REGNUM_GENERIC_ARG2),
  97     DEFINE_GPR(r6, nullptr, dwarf_r6_mips, dwarf_r6_mips,
  98                LLDB_REGNUM_GENERIC_ARG3),
  99     DEFINE_GPR(r7, nullptr, dwarf_r7_mips, dwarf_r7_mips,
 100                LLDB_REGNUM_GENERIC_ARG4),
 101     DEFINE_GPR(r8, nullptr, dwarf_r8_mips, dwarf_r8_mips, LLDB_INVALID_REGNUM),
 102     DEFINE_GPR(r9, nullptr, dwarf_r9_mips, dwarf_r9_mips, LLDB_INVALID_REGNUM),
 103     DEFINE_GPR(r10, nullptr, dwarf_r10_mips, dwarf_r10_mips,
 104                LLDB_INVALID_REGNUM),
 105     DEFINE_GPR(r11, nullptr, dwarf_r11_mips, dwarf_r11_mips,
 106                LLDB_INVALID_REGNUM),
 107     DEFINE_GPR(r12, nullptr, dwarf_r12_mips, dwarf_r12_mips,
 108                LLDB_INVALID_REGNUM),
 109     DEFINE_GPR(r13, nullptr, dwarf_r13_mips, dwarf_r13_mips,
 110                LLDB_INVALID_REGNUM),
 111     DEFINE_GPR(r14, nullptr, dwarf_r14_mips, dwarf_r14_mips,
 112                LLDB_INVALID_REGNUM),
 113     DEFINE_GPR(r15, nullptr, dwarf_r15_mips, dwarf_r15_mips,
 114                LLDB_INVALID_REGNUM),
 115     DEFINE_GPR(r16, nullptr, dwarf_r16_mips, dwarf_r16_mips,
 116                LLDB_INVALID_REGNUM),
 117     DEFINE_GPR(r17, nullptr, dwarf_r17_mips, dwarf_r17_mips,
 118                LLDB_INVALID_REGNUM),
 119     DEFINE_GPR(r18, nullptr, dwarf_r18_mips, dwarf_r18_mips,
 120                LLDB_INVALID_REGNUM),
 121     DEFINE_GPR(r19, nullptr, dwarf_r19_mips, dwarf_r19_mips,
 122                LLDB_INVALID_REGNUM),
 123     DEFINE_GPR(r20, nullptr, dwarf_r20_mips, dwarf_r20_mips,
 124                LLDB_INVALID_REGNUM),
 125     DEFINE_GPR(r21, nullptr, dwarf_r21_mips, dwarf_r21_mips,
 126                LLDB_INVALID_REGNUM),
 127     DEFINE_GPR(r22, nullptr, dwarf_r22_mips, dwarf_r22_mips,
 128                LLDB_INVALID_REGNUM),
 129     DEFINE_GPR(r23, nullptr, dwarf_r23_mips, dwarf_r23_mips,
 130                LLDB_INVALID_REGNUM),
 131     DEFINE_GPR(r24, nullptr, dwarf_r24_mips, dwarf_r24_mips,
 132                LLDB_INVALID_REGNUM),
 133     DEFINE_GPR(r25, nullptr, dwarf_r25_mips, dwarf_r25_mips,
 134                LLDB_INVALID_REGNUM),
 135     DEFINE_GPR(r26, nullptr, dwarf_r26_mips, dwarf_r26_mips,
 136                LLDB_INVALID_REGNUM),
 137     DEFINE_GPR(r27, nullptr, dwarf_r27_mips, dwarf_r27_mips,
 138                LLDB_INVALID_REGNUM),
 139     DEFINE_GPR(gp, "gp", dwarf_gp_mips, dwarf_gp_mips, LLDB_INVALID_REGNUM),
 140     DEFINE_GPR(sp, "sp", dwarf_sp_mips, dwarf_sp_mips, LLDB_REGNUM_GENERIC_SP),
 141     DEFINE_GPR(r30, "fp", dwarf_r30_mips, dwarf_r30_mips,
 142                LLDB_REGNUM_GENERIC_FP),
 143     DEFINE_GPR(ra, "ra", dwarf_ra_mips, dwarf_ra_mips, LLDB_REGNUM_GENERIC_RA),
 144     DEFINE_GPR(sr, "status", dwarf_sr_mips, dwarf_sr_mips,
 145                LLDB_REGNUM_GENERIC_FLAGS),
 146     DEFINE_GPR(mullo, nullptr, dwarf_lo_mips, dwarf_lo_mips,
 147                LLDB_INVALID_REGNUM),
 148     DEFINE_GPR(mulhi, nullptr, dwarf_hi_mips, dwarf_hi_mips,
 149                LLDB_INVALID_REGNUM),
 150     DEFINE_GPR(badvaddr, nullptr, dwarf_bad_mips, dwarf_bad_mips,
 151                LLDB_INVALID_REGNUM),
 152     DEFINE_GPR(cause, nullptr, dwarf_cause_mips, dwarf_cause_mips,
 153                LLDB_INVALID_REGNUM),
 154     DEFINE_GPR(pc, nullptr, dwarf_pc_mips, dwarf_pc_mips,
 155                LLDB_REGNUM_GENERIC_PC),
 156     DEFINE_GPR(config5, nullptr, dwarf_config5_mips, dwarf_config5_mips,
 157                LLDB_INVALID_REGNUM),
 158     DEFINE_FPR(f0, nullptr, dwarf_f0_mips, dwarf_f0_mips, LLDB_INVALID_REGNUM),
 159     DEFINE_FPR(f1, nullptr, dwarf_f1_mips, dwarf_f1_mips, LLDB_INVALID_REGNUM),
 160     DEFINE_FPR(f2, nullptr, dwarf_f2_mips, dwarf_f2_mips, LLDB_INVALID_REGNUM),
 161     DEFINE_FPR(f3, nullptr, dwarf_f3_mips, dwarf_f3_mips, LLDB_INVALID_REGNUM),
 162     DEFINE_FPR(f4, nullptr, dwarf_f4_mips, dwarf_f4_mips, LLDB_INVALID_REGNUM),
 163     DEFINE_FPR(f5, nullptr, dwarf_f5_mips, dwarf_f5_mips, LLDB_INVALID_REGNUM),
 164     DEFINE_FPR(f6, nullptr, dwarf_f6_mips, dwarf_f6_mips, LLDB_INVALID_REGNUM),
 165     DEFINE_FPR(f7, nullptr, dwarf_f7_mips, dwarf_f7_mips, LLDB_INVALID_REGNUM),
 166     DEFINE_FPR(f8, nullptr, dwarf_f8_mips, dwarf_f8_mips, LLDB_INVALID_REGNUM),
 167     DEFINE_FPR(f9, nullptr, dwarf_f9_mips, dwarf_f9_mips, LLDB_INVALID_REGNUM),
 168     DEFINE_FPR(f10, nullptr, dwarf_f10_mips, dwarf_f10_mips,
 169                LLDB_INVALID_REGNUM),
 170     DEFINE_FPR(f11, nullptr, dwarf_f11_mips, dwarf_f11_mips,
 171                LLDB_INVALID_REGNUM),
 172     DEFINE_FPR(f12, nullptr, dwarf_f12_mips, dwarf_f12_mips,
 173                LLDB_INVALID_REGNUM),
 174     DEFINE_FPR(f13, nullptr, dwarf_f13_mips, dwarf_f13_mips,
 175                LLDB_INVALID_REGNUM),
 176     DEFINE_FPR(f14, nullptr, dwarf_f14_mips, dwarf_f14_mips,
 177                LLDB_INVALID_REGNUM),
 178     DEFINE_FPR(f15, nullptr, dwarf_f15_mips, dwarf_f15_mips,
 179                LLDB_INVALID_REGNUM),
 180     DEFINE_FPR(f16, nullptr, dwarf_f16_mips, dwarf_f16_mips,
 181                LLDB_INVALID_REGNUM),
 182     DEFINE_FPR(f17, nullptr, dwarf_f17_mips, dwarf_f17_mips,
 183                LLDB_INVALID_REGNUM),
 184     DEFINE_FPR(f18, nullptr, dwarf_f18_mips, dwarf_f18_mips,
 185                LLDB_INVALID_REGNUM),
 186     DEFINE_FPR(f19, nullptr, dwarf_f19_mips, dwarf_f19_mips,
 187                LLDB_INVALID_REGNUM),
 188     DEFINE_FPR(f20, nullptr, dwarf_f20_mips, dwarf_f20_mips,
 189                LLDB_INVALID_REGNUM),
 190     DEFINE_FPR(f21, nullptr, dwarf_f21_mips, dwarf_f21_mips,
 191                LLDB_INVALID_REGNUM),
 192     DEFINE_FPR(f22, nullptr, dwarf_f22_mips, dwarf_f22_mips,
 193                LLDB_INVALID_REGNUM),
 194     DEFINE_FPR(f23, nullptr, dwarf_f23_mips, dwarf_f23_mips,
 195                LLDB_INVALID_REGNUM),
 196     DEFINE_FPR(f24, nullptr, dwarf_f24_mips, dwarf_f24_mips,
 197                LLDB_INVALID_REGNUM),
 198     DEFINE_FPR(f25, nullptr, dwarf_f25_mips, dwarf_f25_mips,
 199                LLDB_INVALID_REGNUM),
 200     DEFINE_FPR(f26, nullptr, dwarf_f26_mips, dwarf_f26_mips,
 201                LLDB_INVALID_REGNUM),
 202     DEFINE_FPR(f27, nullptr, dwarf_f27_mips, dwarf_f27_mips,
 203                LLDB_INVALID_REGNUM),
 204     DEFINE_FPR(f28, nullptr, dwarf_f28_mips, dwarf_f28_mips,
 205                LLDB_INVALID_REGNUM),
 206     DEFINE_FPR(f29, nullptr, dwarf_f29_mips, dwarf_f29_mips,
 207                LLDB_INVALID_REGNUM),
 208     DEFINE_FPR(f30, nullptr, dwarf_f30_mips, dwarf_f30_mips,
 209                LLDB_INVALID_REGNUM),
 210     DEFINE_FPR(f31, nullptr, dwarf_f31_mips, dwarf_f31_mips,
 211                LLDB_INVALID_REGNUM),
 212     DEFINE_FPR_INFO(fcsr, nullptr, dwarf_fcsr_mips, dwarf_fcsr_mips,
 213                     LLDB_INVALID_REGNUM),
 214     DEFINE_FPR_INFO(fir, nullptr, dwarf_fir_mips, dwarf_fir_mips,
 215                     LLDB_INVALID_REGNUM),
 216     DEFINE_FPR_INFO(config5, nullptr, dwarf_config5_mips, dwarf_config5_mips,
 217                     LLDB_INVALID_REGNUM),
 218     DEFINE_MSA(w0, nullptr, dwarf_w0_mips, dwarf_w0_mips, LLDB_INVALID_REGNUM,
 219                LLDB_INVALID_REGNUM),
 220     DEFINE_MSA(w1, nullptr, dwarf_w1_mips, dwarf_w1_mips, LLDB_INVALID_REGNUM,
 221                LLDB_INVALID_REGNUM),
 222     DEFINE_MSA(w2, nullptr, dwarf_w2_mips, dwarf_w2_mips, LLDB_INVALID_REGNUM,
 223                LLDB_INVALID_REGNUM),
 224     DEFINE_MSA(w3, nullptr, dwarf_w3_mips, dwarf_w3_mips, LLDB_INVALID_REGNUM,
 225                LLDB_INVALID_REGNUM),
 226     DEFINE_MSA(w4, nullptr, dwarf_w4_mips, dwarf_w4_mips, LLDB_INVALID_REGNUM,
 227                LLDB_INVALID_REGNUM),
 228     DEFINE_MSA(w5, nullptr, dwarf_w5_mips, dwarf_w5_mips, LLDB_INVALID_REGNUM,
 229                LLDB_INVALID_REGNUM),
 230     DEFINE_MSA(w6, nullptr, dwarf_w6_mips, dwarf_w6_mips, LLDB_INVALID_REGNUM,
 231                LLDB_INVALID_REGNUM),
 232     DEFINE_MSA(w7, nullptr, dwarf_w7_mips, dwarf_w7_mips, LLDB_INVALID_REGNUM,
 233                LLDB_INVALID_REGNUM),
 234     DEFINE_MSA(w8, nullptr, dwarf_w8_mips, dwarf_w8_mips, LLDB_INVALID_REGNUM,
 235                LLDB_INVALID_REGNUM),
 236     DEFINE_MSA(w9, nullptr, dwarf_w9_mips, dwarf_w9_mips, LLDB_INVALID_REGNUM,
 237                LLDB_INVALID_REGNUM),
 238     DEFINE_MSA(w10, nullptr, dwarf_w10_mips, dwarf_w10_mips,
 239                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 240     DEFINE_MSA(w11, nullptr, dwarf_w11_mips, dwarf_w11_mips,
 241                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 242     DEFINE_MSA(w12, nullptr, dwarf_w12_mips, dwarf_w12_mips,
 243                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 244     DEFINE_MSA(w13, nullptr, dwarf_w13_mips, dwarf_w13_mips,
 245                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 246     DEFINE_MSA(w14, nullptr, dwarf_w14_mips, dwarf_w14_mips,
 247                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 248     DEFINE_MSA(w15, nullptr, dwarf_w15_mips, dwarf_w15_mips,
 249                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 250     DEFINE_MSA(w16, nullptr, dwarf_w16_mips, dwarf_w16_mips,
 251                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 252     DEFINE_MSA(w17, nullptr, dwarf_w17_mips, dwarf_w17_mips,
 253                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 254     DEFINE_MSA(w18, nullptr, dwarf_w18_mips, dwarf_w18_mips,
 255                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 256     DEFINE_MSA(w19, nullptr, dwarf_w19_mips, dwarf_w19_mips,
 257                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 258     DEFINE_MSA(w20, nullptr, dwarf_w10_mips, dwarf_w20_mips,
 259                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 260     DEFINE_MSA(w21, nullptr, dwarf_w21_mips, dwarf_w21_mips,
 261                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 262     DEFINE_MSA(w22, nullptr, dwarf_w22_mips, dwarf_w22_mips,
 263                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 264     DEFINE_MSA(w23, nullptr, dwarf_w23_mips, dwarf_w23_mips,
 265                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 266     DEFINE_MSA(w24, nullptr, dwarf_w24_mips, dwarf_w24_mips,
 267                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 268     DEFINE_MSA(w25, nullptr, dwarf_w25_mips, dwarf_w25_mips,
 269                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 270     DEFINE_MSA(w26, nullptr, dwarf_w26_mips, dwarf_w26_mips,
 271                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 272     DEFINE_MSA(w27, nullptr, dwarf_w27_mips, dwarf_w27_mips,
 273                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 274     DEFINE_MSA(w28, nullptr, dwarf_w28_mips, dwarf_w28_mips,
 275                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 276     DEFINE_MSA(w29, nullptr, dwarf_w29_mips, dwarf_w29_mips,
 277                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 278     DEFINE_MSA(w30, nullptr, dwarf_w30_mips, dwarf_w30_mips,
 279                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 280     DEFINE_MSA(w31, nullptr, dwarf_w31_mips, dwarf_w31_mips,
 281                LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 282     DEFINE_MSA_INFO(mcsr, nullptr, dwarf_mcsr_mips, dwarf_mcsr_mips,
 283                     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 284     DEFINE_MSA_INFO(mir, nullptr, dwarf_mir_mips, dwarf_mir_mips,
 285                     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 286     DEFINE_MSA_INFO(fcsr, nullptr, dwarf_fcsr_mips, dwarf_fcsr_mips,
 287                     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 288     DEFINE_MSA_INFO(fir, nullptr, dwarf_fir_mips, dwarf_fir_mips,
 289                     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
 290     DEFINE_MSA_INFO(config5, nullptr, dwarf_config5_mips, dwarf_config5_mips,
 291                     LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM)};
 292
 293 static_assert((sizeof(g_register_infos_mips) /
 294                sizeof(g_register_infos_mips[0])) == k_num_registers_mips,
 295               "g_register_infos_mips has wrong number of register infos");
 296
 297 #undef GPR_OFFSET
 298 #undef FPR_OFFSET
 299 #undef MSA_OFFSET
 300 #undef DEFINE_GPR
 301 #undef DEFINE_FPR
 302 #undef DEFINE_FPR_INFO
 303 #undef DEFINE_MSA
 304 #undef DEFINE_MSA_INFO
 305
 306 #endif // DECLARE_REGISTER_INFOS_MIPS_STRUCT