contrib/llvm-project/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp

   1 //===-- RegisterInfoPOSIX_ppc64le.cpp --------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===---------------------------------------------------------------------===//
   8
   9 #include <cassert>
  10 #include <stddef.h>
  11 #include <vector>
  12
  13 #include "lldb/lldb-defines.h"
  14 #include "llvm/Support/Compiler.h"
  15
  16 #include "RegisterInfoPOSIX_ppc64le.h"
  17
  18 // Include RegisterInfoPOSIX_ppc64le to declare our g_register_infos_ppc64le
  19 #define DECLARE_REGISTER_INFOS_PPC64LE_STRUCT
  20 #include "RegisterInfos_ppc64le.h"
  21 #undef DECLARE_REGISTER_INFOS_PPC64LE_STRUCT
  22
  23 static const lldb_private::RegisterInfo *
  24 GetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch) {
  25   switch (target_arch.GetMachine()) {
  26   case llvm::Triple::ppc64le:
  27     return g_register_infos_ppc64le;
  28   default:
  29     assert(false && "Unhandled target architecture.");
  30     return nullptr;
  31   }
  32 }
  33
  34 static uint32_t
  35 GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch) {
  36   switch (target_arch.GetMachine()) {
  37   case llvm::Triple::ppc64le:
  38     return static_cast<uint32_t>(sizeof(g_register_infos_ppc64le) /
  39                                  sizeof(g_register_infos_ppc64le[0]));
  40   default:
  41     assert(false && "Unhandled target architecture.");
  42     return 0;
  43   }
  44 }
  45
  46 RegisterInfoPOSIX_ppc64le::RegisterInfoPOSIX_ppc64le(
  47     const lldb_private::ArchSpec &target_arch)
  48     : lldb_private::RegisterInfoInterface(target_arch),
  49       m_register_info_p(GetRegisterInfoPtr(target_arch)),
  50       m_register_info_count(GetRegisterInfoCount(target_arch)) {}
  51
  52 size_t RegisterInfoPOSIX_ppc64le::GetGPRSize() const {
  53   return sizeof(GPR);
  54 }
  55
  56 const lldb_private::RegisterInfo *
  57 RegisterInfoPOSIX_ppc64le::GetRegisterInfo() const {
  58   return m_register_info_p;
  59 }
  60
  61 uint32_t RegisterInfoPOSIX_ppc64le::GetRegisterCount() const {
  62   return m_register_info_count;
  63 }