1 //===-- RegisterContextLinux_arm.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 //===---------------------------------------------------------------------===//
14 #include "llvm/Support/Compiler.h"
15 #include "lldb/lldb-defines.h"
17 #include "RegisterContextLinux_arm.h"
20 using namespace lldb_private;
22 // Based on RegisterContextDarwin_arm.cpp
23 #define GPR_OFFSET(idx) ((idx) * 4)
24 #define FPU_OFFSET(idx) ((idx) * 4 + sizeof (RegisterContextLinux_arm::GPR))
25 #define EXC_OFFSET(idx) ((idx) * 4 + sizeof (RegisterContextLinux_arm::GPR) + sizeof (RegisterContextLinux_arm::FPU))
26 #define DBG_OFFSET(reg) ((LLVM_EXTENSION offsetof (RegisterContextLinux_arm::DBG, reg) + sizeof (RegisterContextLinux_arm::GPR) + sizeof (RegisterContextLinux_arm::FPU) + sizeof (RegisterContextLinux_arm::EXC)))
28 #define DEFINE_DBG(reg, i) #reg, NULL, sizeof(((RegisterContextLinux_arm::DBG *)NULL)->reg[i]), DBG_OFFSET(reg[i]), eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, dbg_##reg##i }, NULL, NULL
29 #define REG_CONTEXT_SIZE (sizeof (RegisterContextLinux_arm::GPR) + sizeof (RegisterContextLinux_arm::FPU) + sizeof (RegisterContextLinux_arm::EXC))
31 //-----------------------------------------------------------------------------
32 // Include RegisterInfos_arm to declare our g_register_infos_arm structure.
33 //-----------------------------------------------------------------------------
34 #define DECLARE_REGISTER_INFOS_ARM_STRUCT
35 #include "RegisterInfos_arm.h"
36 #undef DECLARE_REGISTER_INFOS_ARM_STRUCT
38 static const lldb_private::RegisterInfo *
39 GetRegisterInfoPtr (const lldb_private::ArchSpec &target_arch)
41 switch (target_arch.GetMachine())
43 case llvm::Triple::arm:
44 return g_register_infos_arm;
46 assert(false && "Unhandled target architecture.");
52 GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch)
54 switch (target_arch.GetMachine())
56 case llvm::Triple::arm:
57 return static_cast<uint32_t>(sizeof(g_register_infos_arm) / sizeof(g_register_infos_arm[0]));
59 assert(false && "Unhandled target architecture.");
64 RegisterContextLinux_arm::RegisterContextLinux_arm(const lldb_private::ArchSpec &target_arch) :
65 lldb_private::RegisterInfoInterface(target_arch),
66 m_register_info_p(GetRegisterInfoPtr(target_arch)),
67 m_register_info_count(GetRegisterInfoCount(target_arch))
72 RegisterContextLinux_arm::GetGPRSize() const
74 return sizeof(struct RegisterContextLinux_arm::GPR);
77 const lldb_private::RegisterInfo *
78 RegisterContextLinux_arm::GetRegisterInfo() const
80 return m_register_info_p;
84 RegisterContextLinux_arm::GetRegisterCount() const
86 return m_register_info_count;