contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextFreeBSD_mips64.cpp

   1 //===-- RegisterContextFreeBSD_mips64.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 "RegisterContextFreeBSD_mips64.h"
  11 #include "RegisterContextPOSIX_mips64.h"
  12 #include "lldb-mips-freebsd-register-enums.h"
  13 #include <vector>
  14
  15 using namespace lldb_private;
  16 using namespace lldb;
  17
  18 static const uint32_t g_gpr_regnums[] = {
  19     gpr_zero_mips64,  gpr_r1_mips64,    gpr_r2_mips64,    gpr_r3_mips64,
  20     gpr_r4_mips64,    gpr_r5_mips64,    gpr_r6_mips64,    gpr_r7_mips64,
  21     gpr_r8_mips64,    gpr_r9_mips64,    gpr_r10_mips64,   gpr_r11_mips64,
  22     gpr_r12_mips64,   gpr_r13_mips64,   gpr_r14_mips64,   gpr_r15_mips64,
  23     gpr_r16_mips64,   gpr_r17_mips64,   gpr_r18_mips64,   gpr_r19_mips64,
  24     gpr_r20_mips64,   gpr_r21_mips64,   gpr_r22_mips64,   gpr_r23_mips64,
  25     gpr_r24_mips64,   gpr_r25_mips64,   gpr_r26_mips64,   gpr_r27_mips64,
  26     gpr_gp_mips64,    gpr_sp_mips64,    gpr_r30_mips64,   gpr_ra_mips64,
  27     gpr_sr_mips64,    gpr_mullo_mips64, gpr_mulhi_mips64, gpr_badvaddr_mips64,
  28     gpr_cause_mips64, gpr_pc_mips64,    gpr_ic_mips64,    gpr_dummy_mips64};
  29
  30 // Number of register sets provided by this context.
  31 constexpr size_t k_num_register_sets = 1;
  32
  33 static const RegisterSet g_reg_sets_mips64[k_num_register_sets] = {
  34     {"General Purpose Registers", "gpr", k_num_gpr_registers_mips64,
  35      g_gpr_regnums},
  36 };
  37
  38
  39 // http://svnweb.freebsd.org/base/head/sys/mips/include/regnum.h
  40 typedef struct _GPR {
  41   uint64_t zero;
  42   uint64_t r1;
  43   uint64_t r2;
  44   uint64_t r3;
  45   uint64_t r4;
  46   uint64_t r5;
  47   uint64_t r6;
  48   uint64_t r7;
  49   uint64_t r8;
  50   uint64_t r9;
  51   uint64_t r10;
  52   uint64_t r11;
  53   uint64_t r12;
  54   uint64_t r13;
  55   uint64_t r14;
  56   uint64_t r15;
  57   uint64_t r16;
  58   uint64_t r17;
  59   uint64_t r18;
  60   uint64_t r19;
  61   uint64_t r20;
  62   uint64_t r21;
  63   uint64_t r22;
  64   uint64_t r23;
  65   uint64_t r24;
  66   uint64_t r25;
  67   uint64_t r26;
  68   uint64_t r27;
  69   uint64_t gp;
  70   uint64_t sp;
  71   uint64_t r30;
  72   uint64_t ra;
  73   uint64_t sr;
  74   uint64_t mullo;
  75   uint64_t mulhi;
  76   uint64_t badvaddr;
  77   uint64_t cause;
  78   uint64_t pc;
  79   uint64_t ic;
  80   uint64_t dummy;
  81 } GPR_freebsd_mips;
  82
  83 //---------------------------------------------------------------------------
  84 // Include RegisterInfos_mips64 to declare our g_register_infos_mips64
  85 // structure.
  86 //---------------------------------------------------------------------------
  87 #define DECLARE_REGISTER_INFOS_MIPS64_STRUCT
  88 #include "RegisterInfos_mips64.h"
  89 #undef DECLARE_REGISTER_INFOS_MIPS64_STRUCT
  90
  91 RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64(
  92     const ArchSpec &target_arch)
  93     : RegisterInfoInterface(target_arch) {}
  94
  95 size_t RegisterContextFreeBSD_mips64::GetGPRSize() const {
  96   return sizeof(GPR_freebsd_mips);
  97 }
  98
  99 const RegisterSet *
 100 RegisterContextFreeBSD_mips64::GetRegisterSet(size_t set) const {
 101    // Check if RegisterSet is available
 102    if (set < k_num_register_sets)
 103      return &g_reg_sets_mips64[set];
 104    return nullptr;
 105 }
 106
 107 size_t
 108 RegisterContextFreeBSD_mips64::GetRegisterSetCount() const {
 109   return k_num_register_sets;
 110 }
 111
 112 const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const {
 113   assert(m_target_arch.GetCore() == ArchSpec::eCore_mips64);
 114   return g_register_infos_mips64;
 115 }
 116
 117 uint32_t RegisterContextFreeBSD_mips64::GetRegisterCount() const {
 118   return static_cast<uint32_t>(sizeof(g_register_infos_mips64) /
 119                                sizeof(g_register_infos_mips64[0]));
 120 }