180 lines · cpp
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-exception6//7//===---------------------------------------------------------------------===//8 9#include "RegisterContextFreeBSD_mips64.h"10#include "RegisterContextPOSIX_mips64.h"11#include "lldb-mips-freebsd-register-enums.h"12#include <vector>13 14using namespace lldb_private;15using namespace lldb;16 17static 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 flag29};30 31static_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 36const 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 flag47};48 49static_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.55constexpr size_t k_num_register_sets = 2;56 57static 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.h65typedef 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 108typedef 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_mips64146// structure.147#define DECLARE_REGISTER_INFOS_MIPS64_STRUCT148#include "RegisterInfos_mips64.h"149#undef DECLARE_REGISTER_INFOS_MIPS64_STRUCT150 151RegisterContextFreeBSD_mips64::RegisterContextFreeBSD_mips64(152 const ArchSpec &target_arch)153 : RegisterInfoInterface(target_arch) {}154 155size_t RegisterContextFreeBSD_mips64::GetGPRSize() const {156 return sizeof(GPR_freebsd_mips);157}158 159const RegisterSet *160RegisterContextFreeBSD_mips64::GetRegisterSet(size_t set) const {161 // Check if RegisterSet is available162 if (set < k_num_register_sets)163 return &g_reg_sets_mips64[set];164 return nullptr;165}166 167size_t RegisterContextFreeBSD_mips64::GetRegisterSetCount() const {168 return k_num_register_sets;169}170 171const RegisterInfo *RegisterContextFreeBSD_mips64::GetRegisterInfo() const {172 assert(GetTargetArchitecture().GetCore() == ArchSpec::eCore_mips64);173 return g_register_infos_mips64;174}175 176uint32_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