1 //===-- RegisterContextOpenBSD_x86_64.cpp ----------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===---------------------------------------------------------------------===//
10 #include "RegisterContextOpenBSD_x86_64.h"
11 #include "RegisterContextPOSIX_x86.h"
14 using namespace lldb_private;
17 // /usr/include/machine/reg.h
46 uint64_t dr[16]; /* debug registers */
47 /* Index 0-3: debug address registers */
48 /* Index 4-5: reserved */
49 /* Index 6: debug status */
50 /* Index 7: debug control */
51 /* Index 8-15: reserved */
60 #define DR_OFFSET(reg_index) (LLVM_EXTENSION offsetof(DBG, dr[reg_index]))
62 //---------------------------------------------------------------------------
63 // Include RegisterInfos_x86_64 to declare our g_register_infos_x86_64
65 //---------------------------------------------------------------------------
66 #define DECLARE_REGISTER_INFOS_X86_64_STRUCT
67 #include "RegisterInfos_x86_64.h"
68 #undef DECLARE_REGISTER_INFOS_X86_64_STRUCT
70 static const RegisterInfo *
71 PrivateGetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch) {
72 switch (target_arch.GetMachine()) {
73 case llvm::Triple::x86_64:
74 return g_register_infos_x86_64;
76 assert(false && "Unhandled target architecture.");
82 PrivateGetRegisterCount(const lldb_private::ArchSpec &target_arch) {
83 switch (target_arch.GetMachine()) {
84 case llvm::Triple::x86_64:
85 return static_cast<uint32_t>(sizeof(g_register_infos_x86_64) /
86 sizeof(g_register_infos_x86_64[0]));
88 assert(false && "Unhandled target architecture.");
93 RegisterContextOpenBSD_x86_64::RegisterContextOpenBSD_x86_64(
94 const ArchSpec &target_arch)
95 : lldb_private::RegisterInfoInterface(target_arch),
96 m_register_info_p(PrivateGetRegisterInfoPtr(target_arch)),
97 m_register_count(PrivateGetRegisterCount(target_arch)) {}
99 size_t RegisterContextOpenBSD_x86_64::GetGPRSize() const { return sizeof(GPR); }
101 const RegisterInfo *RegisterContextOpenBSD_x86_64::GetRegisterInfo() const {
102 return m_register_info_p;
105 uint32_t RegisterContextOpenBSD_x86_64::GetRegisterCount() const {
106 return m_register_count;