contrib/llvm/tools/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp

   1 //===-- RegisterInfoPOSIX_ppc64le.cpp --------------------------*- 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 #include <cassert>
  11 #include <stddef.h>
  12 #include <vector>
  13
  14 #include "lldb/lldb-defines.h"
  15 #include "llvm/Support/Compiler.h"
  16
  17 #include "RegisterInfoPOSIX_ppc64le.h"
  18
  19 //-----------------------------------------------------------------------------
  20 // Include RegisterInfoPOSIX_ppc64le to declare our g_register_infos_ppc64le
  21 //-----------------------------------------------------------------------------
  22 #define DECLARE_REGISTER_INFOS_PPC64LE_STRUCT
  23 #include "RegisterInfos_ppc64le.h"
  24 #undef DECLARE_REGISTER_INFOS_PPC64LE_STRUCT
  25
  26 static const lldb_private::RegisterInfo *
  27 GetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch) {
  28   switch (target_arch.GetMachine()) {
  29   case llvm::Triple::ppc64le:
  30     return g_register_infos_ppc64le;
  31   default:
  32     assert(false && "Unhandled target architecture.");
  33     return NULL;
  34   }
  35 }
  36
  37 static uint32_t
  38 GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch) {
  39   switch (target_arch.GetMachine()) {
  40   case llvm::Triple::ppc64le:
  41     return static_cast<uint32_t>(sizeof(g_register_infos_ppc64le) /
  42                                  sizeof(g_register_infos_ppc64le[0]));
  43   default:
  44     assert(false && "Unhandled target architecture.");
  45     return 0;
  46   }
  47 }
  48
  49 RegisterInfoPOSIX_ppc64le::RegisterInfoPOSIX_ppc64le(
  50     const lldb_private::ArchSpec &target_arch)
  51     : lldb_private::RegisterInfoInterface(target_arch),
  52       m_register_info_p(GetRegisterInfoPtr(target_arch)),
  53       m_register_info_count(GetRegisterInfoCount(target_arch)) {}
  54
  55 size_t RegisterInfoPOSIX_ppc64le::GetGPRSize() const {
  56   return sizeof(GPR);
  57 }
  58
  59 const lldb_private::RegisterInfo *
  60 RegisterInfoPOSIX_ppc64le::GetRegisterInfo() const {
  61   return m_register_info_p;
  62 }
  63
  64 uint32_t RegisterInfoPOSIX_ppc64le::GetRegisterCount() const {
  65   return m_register_info_count;
  66 }