contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterContextLinux_arm64.h

   1 //===-- RegisterContextLinux_arm64.h ----------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef liblldb_RegisterContextLinux_arm64_H_
  11 #define liblldb_RegisterContextLinux_arm64_H_
  12
  13 #include "lldb/lldb-private.h"
  14 #include "lldb/Target/RegisterContext.h"
  15 #include "RegisterContextPOSIX.h"
  16 #include "RegisterInfoInterface.h"
  17
  18 class RegisterContextLinux_arm64
  19     : public lldb_private::RegisterInfoInterface
  20 {
  21 public:
  22     // based on RegisterContextDarwin_arm64.h
  23     struct GPR
  24     {
  25         uint64_t    x[29];  // x0-x28
  26         uint64_t    fp;     // x29
  27         uint64_t    lr;     // x30
  28         uint64_t    sp;     // x31
  29         uint64_t    pc;     // pc
  30         uint32_t    cpsr;   // cpsr
  31     };
  32
  33     // based on RegisterContextDarwin_arm64.h
  34     struct VReg
  35     {
  36         uint8_t bytes[16];
  37     };
  38
  39     // based on RegisterContextDarwin_arm64.h
  40     struct FPU
  41     {
  42         VReg        v[32];
  43         uint32_t    fpsr;
  44         uint32_t    fpcr;
  45     };
  46
  47     // based on RegisterContextDarwin_arm64.h
  48     struct EXC
  49     {
  50         uint64_t    far;       // Virtual Fault Address
  51         uint32_t    esr;       // Exception syndrome
  52         uint32_t    exception; // number of arm exception token
  53     };
  54
  55     // based on RegisterContextDarwin_arm64.h
  56     struct DBG
  57     {
  58         uint64_t bvr[16];
  59         uint64_t bcr[16];
  60         uint64_t wvr[16];
  61         uint64_t wcr[16];
  62         uint64_t mdscr_el1;
  63     };
  64
  65     RegisterContextLinux_arm64(const lldb_private::ArchSpec &target_arch);
  66
  67     size_t
  68     GetGPRSize() const override;
  69
  70     const lldb_private::RegisterInfo *
  71     GetRegisterInfo() const override;
  72
  73     uint32_t
  74     GetRegisterCount () const override;
  75
  76 private:
  77     const lldb_private::RegisterInfo *m_register_info_p;
  78     uint32_t m_register_info_count;
  79 };
  80
  81 #endif