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1//===-- RegisterContextPOSIX_x86.h ------------------------------*- C++ -*-===//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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H10#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H11 12#include "RegisterContext_x86.h"13#include "RegisterInfoInterface.h"14#include "RegisterInfos_x86_64_with_base_shared.h"15#include "lldb-x86-register-enums.h"16#include "lldb/Target/RegisterContext.h"17#include "lldb/Utility/Log.h"18 19class RegisterContextPOSIX_x86 : public lldb_private::RegisterContext {20public:21 RegisterContextPOSIX_x86(lldb_private::Thread &thread,22 uint32_t concrete_frame_idx,23 lldb_private::RegisterInfoInterface *register_info);24 25 ~RegisterContextPOSIX_x86() override;26 27 void Invalidate();28 29 void InvalidateAllRegisters() override;30 31 size_t GetRegisterCount() override;32 33 virtual size_t GetGPRSize();34 35 virtual size_t GetFXSAVEOffset();36 37 virtual unsigned GetRegisterSize(unsigned reg);38 39 virtual unsigned GetRegisterOffset(unsigned reg);40 41 const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;42 43 size_t GetRegisterSetCount() override;44 45 const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;46 47 const char *GetRegisterName(unsigned reg);48 49 // Note: prefer kernel definitions over user-land50 enum FPRType {51 eNotValid = 0,52 eFSAVE, // TODO53 eFXSAVE,54 eSOFT, // TODO55 eXSAVE56 };57 58 static uint32_t g_contained_eax[];59 static uint32_t g_contained_ebx[];60 static uint32_t g_contained_ecx[];61 static uint32_t g_contained_edx[];62 static uint32_t g_contained_edi[];63 static uint32_t g_contained_esi[];64 static uint32_t g_contained_ebp[];65 static uint32_t g_contained_esp[];66 67 static uint32_t g_invalidate_eax[];68 static uint32_t g_invalidate_ebx[];69 static uint32_t g_invalidate_ecx[];70 static uint32_t g_invalidate_edx[];71 static uint32_t g_invalidate_edi[];72 static uint32_t g_invalidate_esi[];73 static uint32_t g_invalidate_ebp[];74 static uint32_t g_invalidate_esp[];75 76 static uint32_t g_contained_rax[];77 static uint32_t g_contained_rbx[];78 static uint32_t g_contained_rcx[];79 static uint32_t g_contained_rdx[];80 static uint32_t g_contained_rdi[];81 static uint32_t g_contained_rsi[];82 static uint32_t g_contained_rbp[];83 static uint32_t g_contained_rsp[];84 static uint32_t g_contained_r8[];85 static uint32_t g_contained_r9[];86 static uint32_t g_contained_r10[];87 static uint32_t g_contained_r11[];88 static uint32_t g_contained_r12[];89 static uint32_t g_contained_r13[];90 static uint32_t g_contained_r14[];91 static uint32_t g_contained_r15[];92 93 static uint32_t g_invalidate_rax[];94 static uint32_t g_invalidate_rbx[];95 static uint32_t g_invalidate_rcx[];96 static uint32_t g_invalidate_rdx[];97 static uint32_t g_invalidate_rdi[];98 static uint32_t g_invalidate_rsi[];99 static uint32_t g_invalidate_rbp[];100 static uint32_t g_invalidate_rsp[];101 static uint32_t g_invalidate_r8[];102 static uint32_t g_invalidate_r9[];103 static uint32_t g_invalidate_r10[];104 static uint32_t g_invalidate_r11[];105 static uint32_t g_invalidate_r12[];106 static uint32_t g_invalidate_r13[];107 static uint32_t g_invalidate_r14[];108 static uint32_t g_invalidate_r15[];109 110 static uint32_t g_contained_fip[];111 static uint32_t g_contained_fdp[];112 113 static uint32_t g_invalidate_fip[];114 static uint32_t g_invalidate_fdp[];115 116 static uint32_t g_contained_st0_32[];117 static uint32_t g_contained_st1_32[];118 static uint32_t g_contained_st2_32[];119 static uint32_t g_contained_st3_32[];120 static uint32_t g_contained_st4_32[];121 static uint32_t g_contained_st5_32[];122 static uint32_t g_contained_st6_32[];123 static uint32_t g_contained_st7_32[];124 125 static uint32_t g_invalidate_st0_32[];126 static uint32_t g_invalidate_st1_32[];127 static uint32_t g_invalidate_st2_32[];128 static uint32_t g_invalidate_st3_32[];129 static uint32_t g_invalidate_st4_32[];130 static uint32_t g_invalidate_st5_32[];131 static uint32_t g_invalidate_st6_32[];132 static uint32_t g_invalidate_st7_32[];133 134 static uint32_t g_contained_st0_64[];135 static uint32_t g_contained_st1_64[];136 static uint32_t g_contained_st2_64[];137 static uint32_t g_contained_st3_64[];138 static uint32_t g_contained_st4_64[];139 static uint32_t g_contained_st5_64[];140 static uint32_t g_contained_st6_64[];141 static uint32_t g_contained_st7_64[];142 143 static uint32_t g_invalidate_st0_64[];144 static uint32_t g_invalidate_st1_64[];145 static uint32_t g_invalidate_st2_64[];146 static uint32_t g_invalidate_st3_64[];147 static uint32_t g_invalidate_st4_64[];148 static uint32_t g_invalidate_st5_64[];149 static uint32_t g_invalidate_st6_64[];150 static uint32_t g_invalidate_st7_64[];151 152protected:153 FPRType154 m_fpr_type; // determines the type of data stored by union FPR, if any.155 lldb_private::FPR m_fpr; // floating-point registers including extended156 // register sets.157 lldb_private::YMM m_ymm_set; // copy of ymmh and xmm register halves.158 std::unique_ptr<lldb_private::RegisterInfoInterface>159 m_register_info_up; // Register Info Interface (FreeBSD or Linux)160 161 // Determines if an extended register set is supported on the processor162 // running the inferior process.163 virtual bool IsRegisterSetAvailable(size_t set_index);164 165 virtual const lldb_private::RegisterInfo *GetRegisterInfo();166 167 bool IsGPR(unsigned reg);168 169 bool IsFPR(unsigned reg);170 171 bool IsAVX(unsigned reg);172 173 bool CopyXSTATEtoYMM(uint32_t reg, lldb::ByteOrder byte_order);174 bool CopyYMMtoXSTATE(uint32_t reg, lldb::ByteOrder byte_order);175 bool IsFPR(unsigned reg, FPRType fpr_type);176 FPRType GetFPRType();177 178 virtual bool ReadGPR() = 0;179 virtual bool ReadFPR() = 0;180 virtual bool WriteGPR() = 0;181 virtual bool WriteFPR() = 0;182 virtual lldb_private::RegInfo &GetRegInfo();183};184 185#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H186