1 //===-- RegisterContextOpenBSD_i386.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_i386.h"
11 #include "RegisterContextPOSIX_x86.h"
13 using namespace lldb_private;
16 // /usr/include/machine/reg.h
37 uint32_t dr[8]; /* debug registers */
38 /* Index 0-3: debug address registers */
39 /* Index 4-5: reserved */
40 /* Index 6: debug status */
41 /* Index 7: debug control */
44 using FPR_i386 = FXSAVE;
51 #define DR_SIZE sizeof(uint32_t)
52 #define DR_OFFSET(reg_index) (LLVM_EXTENSION offsetof(dbreg, dr[reg_index]))
54 //---------------------------------------------------------------------------
55 // Include RegisterInfos_i386 to declare our g_register_infos_i386 structure.
56 //---------------------------------------------------------------------------
57 #define DECLARE_REGISTER_INFOS_I386_STRUCT
58 #include "RegisterInfos_i386.h"
59 #undef DECLARE_REGISTER_INFOS_I386_STRUCT
61 RegisterContextOpenBSD_i386::RegisterContextOpenBSD_i386(
62 const ArchSpec &target_arch)
63 : RegisterInfoInterface(target_arch) {}
65 size_t RegisterContextOpenBSD_i386::GetGPRSize() const { return sizeof(GPR); }
67 const RegisterInfo *RegisterContextOpenBSD_i386::GetRegisterInfo() const {
68 switch (m_target_arch.GetMachine()) {
69 case llvm::Triple::x86:
70 return g_register_infos_i386;
72 assert(false && "Unhandled target architecture.");
77 uint32_t RegisterContextOpenBSD_i386::GetRegisterCount() const {
78 return static_cast<uint32_t>(sizeof(g_register_infos_i386) /
79 sizeof(g_register_infos_i386[0]));