1 //===-- RegisterContextFreeBSD_mips64.cpp ---------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===---------------------------------------------------------------------===// 8 9 #include "RegisterContextFreeBSD_mips64.h" 10 #include "RegisterContextPOSIX_mips64.h" 11 #include "lldb-mips-freebsd-register-enums.h" 12 #include <vector> 13 14 using namespace lldb_private; 15 using namespace lldb; 16 17 static const uint32_t g_gp_regnums_mips64[] = { 18 gpr_zero_mips64, gpr_r1_mips64, gpr_r2_mips64, gpr_r3_mips64, 19 gpr_r4_mips64, gpr_r5_mips64, gpr_r6_mips64, gpr_r7_mips64, 20 gpr_r8_mips64, gpr_r9_mips64, gpr_r10_mips64, gpr_r11_mips64, 21 gpr_r12_mips64, gpr_r13_mips64, gpr_r14_mips64, gpr_r15_mips64, 22 gpr_r16_mips64, gpr_r17_mips64, gpr_r18_mips64, gpr_r19_mips64, 23 gpr_r20_mips64, gpr_r21_mips64, gpr_r22_mips64, gpr_r23_mips64, 24 gpr_r24_mips64, gpr_r25_mips64, gpr_r26_mips64, gpr_r27_mips64, 25 gpr_gp_mips64, gpr_sp_mips64, gpr_r30_mips64, gpr_ra_mips64, 26 gpr_sr_mips64, gpr_mullo_mips64, gpr_mulhi_mips64, gpr_badvaddr_mips64, 27 gpr_cause_mips64, gpr_pc_mips64, gpr_ic_mips64, gpr_dummy_mips64, 28 LLDB_INVALID_REGNUM // register sets need to end with this flag 29 }; 30 31 static_assert((sizeof(g_gp_regnums_mips64) / sizeof(g_gp_regnums_mips64[0])) - 32 1 == 33 k_num_gpr_registers_mips64, 34 "g_gp_regnums_mips64 has wrong number of register infos"); 35 36 const uint32_t g_fp_regnums_mips64[] = { 37 fpr_f0_mips64, fpr_f1_mips64, fpr_f2_mips64, fpr_f3_mips64, 38 fpr_f4_mips64, fpr_f5_mips64, fpr_f6_mips64, fpr_f7_mips64, 39 fpr_f8_mips64, fpr_f9_mips64, fpr_f10_mips64, fpr_f11_mips64, 40 fpr_f12_mips64, fpr_f13_mips64, fpr_f14_mips64, fpr_f15_mips64, 41 fpr_f16_mips64, fpr_f17_mips64, fpr_f18_mips64, fpr_f19_mips64, 42 fpr_f20_mips64, fpr_f21_mips64, fpr_f22_mips64, fpr_f23_mips64, 43 fpr_f24_mips64, fpr_f25_mips64, fpr_f26_mips64, fpr_f27_mips64, 44 fpr_f28_mips64, fpr_f29_mips64, fpr_f30_mips64, fpr_f31_mips64, 45 fpr_fcsr_mips64, fpr_fir_mips64, 46 LLDB_INVALID_REGNUM // register sets need to end with this flag 47 }; 48 49 static_assert((sizeof(g_fp_regnums_mips64) / sizeof(g_fp_regnums_mips64[0])) - 50 1 == 51 k_num_fpr_registers_mips64, 52 "g_fp_regnums_mips64 has wrong number of register infos"); 53 54 // Number of register sets provided by this context. 55 constexpr size_t k_num_register_sets = 2; 56 57 static const RegisterSet g_reg_sets_mips64[k_num_register_sets] = { 58 {"General Purpose Registers", "gpr", k_num_gpr_registers_mips64, 59 g_gp_regnums_mips64}, 60 {"Floating Point Registers", "fpu", k_num_fpr_registers_mips64, 61 g_fp_regnums_mips64}, 62 }; 63 64 // http://svnweb.freebsd.org/base/head/sys/mips/include/regnum.h 65 typedef struct _GPR { 66 uint64_t zero; 67 uint64_t r1; 68 uint64_t r2; 69 uint64_t r3; 70 uint64_t r4; 71 uint64_t r5; 72 uint64_t r6; 73 uint64_t r7; 74 uint64_t r8; 75 uint64_t r9; 76 uint64_t r10; 77 uint64_t r11; 78 uint64_t r12; 79 uint64_t r13; 80 uint64_t r14; 81 uint64_t r15; 82 uint64_t r16; 83 uint64_t r17; 84 uint64_t r18; 85 uint64_t r19; 86 uint64_t r20; 87 uint64_t r21; 88 uint64_t r22; 89 uint64_t r23; 90 uint64_t r24; 91 uint64_t r25; 92 uint64_t r26; 93 uint64_t r27; 94 uint64_t gp; 95 uint64_t sp; 96 uint64_t r30; 97 uint64_t ra; 98 uint64_t sr; 99 uint64_t mullo; 100 uint64_t mulhi; 101 uint64_t badvaddr; 102 uint64_t cause; 103 uint64_t pc; 104 uint64_t ic; 105 uint64_t dummy; 106 } GPR_freebsd_mips; 107 108 typedef struct _FPR { 109 uint64_t f0; 110 uint64_t f1; 111 uint64_t f2; 112 uint64_t f3; 113 uint64_t f4; 114 uint64_t f5; 115 uint64_t f6; 116 uint64_t f7; 117 uint64_t f8; 118 uint64_t f9; 119 uint64_t f10; 120 uint64_t f11; 121 uint64_t f12; 122 uint64_t f13; 123 uint64_t f14; 124 uint64_t f15; 125 uint64_t f16; 126 uint64_t f17; 127 uint64_t f18; 128 uint64_t f19; 129 uint64_t f20; 130 uint64_t f21; 131 uint64_t f22; 132 uint64_t f23; 133 uint64_t f24; 134 uint64_t f25; 135 uint64_t f26; 136 uint64_t f27; 137 uint64_t f28; 138 uint64_t f29; 139 uint64_t f30; 140 uint64_t f31; 141 uint64_t fcsr; 142 uint64_t fir; 143 } FPR_freebsd_mips; 144 145 // Include RegisterInfos_mips64 to declare our g_register_infos_mips64 146 // structure. 147 #define DECLARE_REGISTER_INFOS_MIPS64_STRUCT 148 #include "RegisterInfos_mips64.h" 149 #undef DECLARE_REGISTER_INFOS_MIPS64_STRUCT 150 151 RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64( 152 const ArchSpec &target_arch) 153 : RegisterInfoInterface(target_arch) {} 154 155 size_t RegisterContextFreeBSD_mips64::GetGPRSize() const { 156 return sizeof(GPR_freebsd_mips); 157 } 158 159 const RegisterSet * 160 RegisterContextFreeBSD_mips64::GetRegisterSet(size_t set) const { 161 // Check if RegisterSet is available 162 if (set < k_num_register_sets) 163 return &g_reg_sets_mips64[set]; 164 return nullptr; 165 } 166 167 size_t RegisterContextFreeBSD_mips64::GetRegisterSetCount() const { 168 return k_num_register_sets; 169 } 170 171 const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const { 172 assert(GetTargetArchitecture().GetCore() == ArchSpec::eCore_mips64); 173 return g_register_infos_mips64; 174 } 175 176 uint32_t RegisterContextFreeBSD_mips64::GetRegisterCount() const { 177 return static_cast<uint32_t>(sizeof(g_register_infos_mips64) / 178 sizeof(g_register_infos_mips64[0])); 179 } 180