Merge pull request #5287 from sepalani/rso

Generate Symbols From RSO Modules added

Source/Core/Core/CMakeLists.txt

@@ -31,6 +31,7 @@ set(SRCS
   Debugger/Debugger_SymbolMap.cpp
   Debugger/Dump.cpp
   Debugger/PPCDebugInterface.cpp
+  Debugger/RSO.cpp
   DSP/DSPAssembler.cpp
   DSP/DSPDisassembler.cpp
   DSP/DSPAccelerator.cpp

Source/Core/Core/Core.vcxproj

@@ -51,6 +51,7 @@
     <ClCompile Include="Debugger\Debugger_SymbolMap.cpp" />
     <ClCompile Include="Debugger\Dump.cpp" />
     <ClCompile Include="Debugger\PPCDebugInterface.cpp" />
+    <ClCompile Include="Debugger\RSO.cpp" />
     <ClCompile Include="DSPEmulator.cpp" />
     <ClCompile Include="DSP\DSPAssembler.cpp" />
     <ClCompile Include="DSP\DSPDisassembler.cpp" />
@@ -312,6 +313,7 @@
     <ClInclude Include="Debugger\Dump.h" />
     <ClInclude Include="Debugger\GCELF.h" />
     <ClInclude Include="Debugger\PPCDebugInterface.h" />
+    <ClInclude Include="Debugger\RSO.h" />
     <ClInclude Include="DSPEmulator.h" />
     <ClInclude Include="DSP\DSPAssembler.h" />
     <ClInclude Include="DSP\DSPDisassembler.h" />

Source/Core/Core/Core.vcxproj.filters

@@ -209,6 +209,9 @@
     <ClCompile Include="Debugger\PPCDebugInterface.cpp">
       <Filter>Debugger</Filter>
     </ClCompile>
+    <ClCompile Include="Debugger\RSO.cpp">
+      <Filter>Debugger</Filter>
+    </ClCompile>
     <ClCompile Include="DSP\Interpreter\DSPIntArithmetic.cpp">
       <Filter>DSPCore\Interpreter</Filter>
     </ClCompile>
@@ -928,6 +931,9 @@
     <ClInclude Include="Debugger\PPCDebugInterface.h">
       <Filter>Debugger</Filter>
     </ClInclude>
+    <ClInclude Include="Debugger\RSO.h">
+      <Filter>Debugger</Filter>
+    </ClInclude>
     <ClInclude Include="DSP\Interpreter\DSPIntCCUtil.h">
       <Filter>DSPCore\Interpreter</Filter>
     </ClInclude>

Source/Core/Core/Debugger/RSO.cpp

@@ -0,0 +1,642 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "Core/Debugger/RSO.h"
+
+#include <utility>
+
+#include "Common/CommonFuncs.h"
+#include "Common/Logging/Log.h"
+#include "Core/PowerPC/PPCSymbolDB.h"
+#include "Core/PowerPC/PowerPC.h"
+
+void RSOHeaderView::Load(u32 address)
+{
+  m_address = address;
+  m_header.entry.next_entry = PowerPC::HostRead_U32(address);
+  m_header.entry.prev_entry = PowerPC::HostRead_U32(address + 0x04);
+  m_header.entry.section_count = PowerPC::HostRead_U32(address + 0x08);
+  m_header.entry.section_table_offset = PowerPC::HostRead_U32(address + 0xC);
+  m_header.entry.name_offset = PowerPC::HostRead_U32(address + 0x10);
+  m_header.entry.name_size = PowerPC::HostRead_U32(address + 0x14);
+  m_header.entry.version = PowerPC::HostRead_U32(address + 0x18);
+  m_header.entry.bss_size = PowerPC::HostRead_U32(address + 0x1C);
+  m_header.section_info.prolog_section_index = PowerPC::HostRead_U8(address + 0x20);
+  m_header.section_info.epilog_section_index = PowerPC::HostRead_U8(address + 0x21);
+  m_header.section_info.unresolved_section_index = PowerPC::HostRead_U8(address + 0x22);
+  m_header.section_info.bss_section_index = PowerPC::HostRead_U8(address + 0x23);
+  m_header.section_info.prolog_offset = PowerPC::HostRead_U32(address + 0x24);
+  m_header.section_info.epilog_offset = PowerPC::HostRead_U32(address + 0x28);
+  m_header.section_info.unresolved_offset = PowerPC::HostRead_U32(address + 0x2C);
+  m_header.relocation_tables.internals_offset = PowerPC::HostRead_U32(address + 0x30);
+  m_header.relocation_tables.internals_size = PowerPC::HostRead_U32(address + 0x34);
+  m_header.relocation_tables.externals_offset = PowerPC::HostRead_U32(address + 0x38);
+  m_header.relocation_tables.externals_size = PowerPC::HostRead_U32(address + 0x3C);
+  m_header.symbol_tables.exports_offset = PowerPC::HostRead_U32(address + 0x40);
+  m_header.symbol_tables.exports_size = PowerPC::HostRead_U32(address + 0x44);
+  m_header.symbol_tables.exports_name_table = PowerPC::HostRead_U32(address + 0x48);
+  m_header.symbol_tables.imports_offset = PowerPC::HostRead_U32(address + 0x4C);
+  m_header.symbol_tables.imports_size = PowerPC::HostRead_U32(address + 0x50);
+  m_header.symbol_tables.imports_name_table = PowerPC::HostRead_U32(address + 0x54);
+
+  // Prevent an invalid name going wild
+  if (m_header.entry.name_size < 0x100)
+    m_name = PowerPC::HostGetString(m_header.entry.name_offset, m_header.entry.name_size);
+  else
+    m_name = PowerPC::HostGetString(m_header.entry.name_offset, 0x100);
+}
+
+u32 RSOHeaderView::GetNextEntry() const
+{
+  return m_header.entry.next_entry;
+}
+
+u32 RSOHeaderView::GetPrevEntry() const
+{
+  return m_header.entry.prev_entry;
+}
+
+u32 RSOHeaderView::GetSectionCount() const
+{
+  return m_header.entry.section_count;
+}
+
+u32 RSOHeaderView::GetSectionTableOffset() const
+{
+  return m_header.entry.section_table_offset;
+}
+
+const std::string& RSOHeaderView::GetName() const
+{
+  return m_name;
+}
+
+u32 RSOHeaderView::GetVersion() const
+{
+  return m_header.entry.version;
+}
+
+u32 RSOHeaderView::GetBssSectionSize() const
+{
+  return m_header.entry.bss_size;
+}
+
+u32 RSOHeaderView::GetPrologSectionIndex() const
+{
+  return m_header.section_info.prolog_section_index;
+}
+
+u32 RSOHeaderView::GetEpilogSectionIndex() const
+{
+  return m_header.section_info.epilog_section_index;
+}
+
+u32 RSOHeaderView::GetUnresolvedSectionIndex() const
+{
+  return m_header.section_info.unresolved_section_index;
+}
+
+u32 RSOHeaderView::GetBssSectionIndex() const
+{
+  return m_header.section_info.bss_section_index;
+}
+
+u32 RSOHeaderView::GetPrologSectionOffset() const
+{
+  return m_header.section_info.prolog_offset;
+}
+
+u32 RSOHeaderView::GetEpilogSectionOffset() const
+{
+  return m_header.section_info.epilog_offset;
+}
+
+u32 RSOHeaderView::GetUnresolvedSectionOffset() const
+{
+  return m_header.section_info.unresolved_offset;
+}
+
+u32 RSOHeaderView::GetInternalsOffset() const
+{
+  return m_header.relocation_tables.internals_offset;
+}
+
+u32 RSOHeaderView::GetInternalsSize() const
+{
+  return m_header.relocation_tables.internals_size;
+}
+
+u32 RSOHeaderView::GetExternalsOffset() const
+{
+  return m_header.relocation_tables.externals_offset;
+}
+
+u32 RSOHeaderView::GetExternalsSize() const
+{
+  return m_header.relocation_tables.externals_size;
+}
+
+u32 RSOHeaderView::GetExportsOffset() const
+{
+  return m_header.symbol_tables.exports_offset;
+}
+
+u32 RSOHeaderView::GetExportsSize() const
+{
+  return m_header.symbol_tables.exports_size;
+}
+
+u32 RSOHeaderView::GetExportsNameTable() const
+{
+  return m_header.symbol_tables.exports_name_table;
+}
+
+u32 RSOHeaderView::GetImportsOffset() const
+{
+  return m_header.symbol_tables.imports_offset;
+}
+
+u32 RSOHeaderView::GetImportsSize() const
+{
+  return m_header.symbol_tables.imports_size;
+}
+
+u32 RSOHeaderView::GetImportsNameTable() const
+{
+  return m_header.symbol_tables.imports_name_table;
+}
+
+void RSOSectionsView::Load(u32 address, std::size_t count)
+{
+  m_address = address;
+  for (std::size_t i = 0; i < count; ++i)
+  {
+    RSOSection section;
+    section.offset = PowerPC::HostRead_U32(address);
+    section.size = PowerPC::HostRead_U32(address + 4);
+    m_sections.emplace_back(std::move(section));
+    address += sizeof(RSOSection);
+  }
+}
+
+size_t RSOSectionsView::Count() const
+{
+  return m_sections.size();
+}
+
+const RSOSection& RSOSectionsView::GetSection(std::size_t index) const
+{
+  return m_sections.at(index);
+}
+
+const std::vector<RSOSection>& RSOSectionsView::GetSections() const
+{
+  return m_sections;
+}
+
+void RSOImportsView::Load(u32 address, std::size_t count)
+{
+  m_address = address;
+  for (std::size_t i = 0; i < count; ++i)
+  {
+    RSOImport rso_import;
+    rso_import.name_offset = PowerPC::HostRead_U32(address);
+    rso_import.code_offset = PowerPC::HostRead_U32(address + 4);
+    rso_import.entry_offset = PowerPC::HostRead_U32(address + 8);
+    m_imports.emplace_back(std::move(rso_import));
+    address += sizeof(RSOImport);
+  }
+}
+
+std::size_t RSOImportsView::Count() const
+{
+  return m_imports.size();
+}
+
+const RSOImport& RSOImportsView::GetImport(std::size_t index) const
+{
+  return m_imports.at(index);
+}
+
+const std::vector<RSOImport>& RSOImportsView::GetImports() const
+{
+  return m_imports;
+}
+
+void RSOExportsView::Load(u32 address, std::size_t count)
+{
+  m_address = address;
+  for (std::size_t i = 0; i < count; ++i)
+  {
+    RSOExport rso_export;
+    rso_export.name_offset = PowerPC::HostRead_U32(address);
+    rso_export.code_offset = PowerPC::HostRead_U32(address + 4);
+    rso_export.section_index = PowerPC::HostRead_U32(address + 8);
+    rso_export.hash = PowerPC::HostRead_U32(address + 12);
+    m_exports.emplace_back(std::move(rso_export));
+    address += sizeof(RSOExport);
+  }
+}
+
+std::size_t RSOExportsView::Count() const
+{
+  return m_exports.size();
+}
+
+const RSOExport& RSOExportsView::GetExport(std::size_t index) const
+{
+  return m_exports.at(index);
+}
+
+const std::vector<RSOExport>& RSOExportsView::GetExports() const
+{
+  return m_exports;
+}
+
+void RSOInternalsView::Load(u32 address, std::size_t count)
+{
+  m_address = address;
+  for (std::size_t i = 0; i < count; ++i)
+  {
+    RSOInternalsEntry entry;
+    entry.r_offset = PowerPC::HostRead_U32(address);
+    entry.r_info = PowerPC::HostRead_U32(address + 4);
+    entry.r_addend = PowerPC::HostRead_U32(address + 8);
+    m_entries.emplace_back(std::move(entry));
+    address += sizeof(RSOInternalsEntry);
+  }
+}
+
+std::size_t RSOInternalsView::Count() const
+{
+  return m_entries.size();
+}
+
+const RSOInternalsEntry& RSOInternalsView::GetEntry(std::size_t index) const
+{
+  return m_entries.at(index);
+}
+
+const std::vector<RSOInternalsEntry>& RSOInternalsView::GetEntries() const
+{
+  return m_entries;
+}
+
+void RSOExternalsView::Load(u32 address, std::size_t count)
+{
+  m_address = address;
+  for (std::size_t i = 0; i < count; ++i)
+  {
+    RSOExternalsEntry entry;
+    entry.r_offset = PowerPC::HostRead_U32(address);
+    entry.r_info = PowerPC::HostRead_U32(address + 4);
+    entry.r_addend = PowerPC::HostRead_U32(address + 8);
+    m_entries.emplace_back(std::move(entry));
+    address += sizeof(RSOExternalsEntry);
+  }
+}
+
+std::size_t RSOExternalsView::Count() const
+{
+  return m_entries.size();
+}
+
+const RSOExternalsEntry& RSOExternalsView::GetEntry(std::size_t index) const
+{
+  return m_entries.at(index);
+}
+
+const std::vector<RSOExternalsEntry>& RSOExternalsView::GetEntries() const
+{
+  return m_entries;
+}
+
+void RSOView::LoadHeader(u32 address)
+{
+  m_address = address;
+  m_header.Load(address);
+}
+
+void RSOView::LoadSections()
+{
+  m_sections.Load(m_header.GetSectionTableOffset(), m_header.GetSectionCount());
+}
+
+void RSOView::LoadImports()
+{
+  std::size_t size = m_header.GetImportsSize();
+  if (size % sizeof(RSOImport) != 0)
+    WARN_LOG(OSHLE, "RSO Imports Table has an incoherent size (%08zx)", size);
+  m_imports.Load(m_header.GetImportsOffset(), size / sizeof(RSOImport));
+}
+
+void RSOView::LoadExports()
+{
+  std::size_t size = m_header.GetExportsSize();
+  if (size % sizeof(RSOExport) != 0)
+    WARN_LOG(OSHLE, "RSO Exports Table has an incoherent size (%08zx)", size);
+  m_exports.Load(m_header.GetExportsOffset(), size / sizeof(RSOExport));
+}
+
+void RSOView::LoadInternals()
+{
+  std::size_t size = m_header.GetInternalsSize();
+  if (size % sizeof(RSOInternalsEntry) != 0)
+    WARN_LOG(OSHLE, "RSO Internals Relocation Table has an incoherent size (%08zx)", size);
+  m_imports.Load(m_header.GetInternalsOffset(), size / sizeof(RSOInternalsEntry));
+}
+
+void RSOView::LoadExternals()
+{
+  std::size_t size = m_header.GetExternalsSize();
+  if (size % sizeof(RSOExternalsEntry) != 0)
+    WARN_LOG(OSHLE, "RSO Externals Relocation Table has an incoherent size (%08zx)", size);
+  m_imports.Load(m_header.GetExternalsOffset(), size / sizeof(RSOExternalsEntry));
+}
+
+void RSOView::LoadAll(u32 address)
+{
+  LoadHeader(address);
+  LoadSections();
+  LoadImports();
+  LoadExports();
+  LoadInternals();
+  LoadExternals();
+}
+
+void RSOView::Apply(PPCSymbolDB* symbol_db) const
+{
+  std::size_t count = 0;
+  for (const RSOExport& rso_export : GetExports())
+  {
+    u32 address = GetExportAddress(rso_export);
+    if (address != 0)
+    {
+      Symbol* symbol = symbol_db->AddFunction(address);
+      if (!symbol)
+        symbol = symbol_db->GetSymbolFromAddr(address);
+      if (symbol)
+      {
+        symbol->name = GetExportName(rso_export);
+        count += 1;
+      }
+    }
+  }
+  DEBUG_LOG(OSHLE, "RSO(%s): %zu/%zu symbols applied", GetName().c_str(), count, GetExportsCount());
+}
+
+u32 RSOView::GetNextEntry() const
+{
+  return m_header.GetNextEntry();
+}
+
+u32 RSOView::GetPrevEntry() const
+{
+  return m_header.GetPrevEntry();
+}
+
+u32 RSOView::GetVersion() const
+{
+  return m_header.GetVersion();
+}
+
+u32 RSOView::GetAddress() const
+{
+  return m_address;
+}
+
+std::size_t RSOView::GetSectionCount() const
+{
+  return m_sections.Count();
+}
+
+const RSOSection& RSOView::GetSection(std::size_t index) const
+{
+  return m_sections.GetSection(index);
+}
+
+const std::vector<RSOSection>& RSOView::GetSections() const
+{
+  return m_sections.GetSections();
+}
+
+std::size_t RSOView::GetImportsCount() const
+{
+  return m_imports.Count();
+}
+
+const RSOImport& RSOView::GetImport(std::size_t index) const
+{
+  return m_imports.GetImport(index);
+}
+
+std::string RSOView::GetImportName(const RSOImport& rso_import) const
+{
+  return PowerPC::HostGetString(m_header.GetImportsNameTable() + rso_import.name_offset);
+}
+
+const std::vector<RSOImport>& RSOView::GetImports() const
+{
+  return m_imports.GetImports();
+}
+
+std::size_t RSOView::GetExportsCount() const
+{
+  return m_exports.Count();
+}
+
+const RSOExport& RSOView::GetExport(std::size_t index) const
+{
+  return m_exports.GetExport(index);
+}
+
+std::string RSOView::GetExportName(const RSOExport& rso_export) const
+{
+  return PowerPC::HostGetString(m_header.GetExportsNameTable() + rso_export.name_offset);
+}
+
+u32 RSOView::GetExportAddress(const RSOExport& rso_export) const
+{
+  u32 address = 0;
+
+  if (rso_export.section_index < GetSectionCount())
+    address = GetSection(rso_export.section_index).offset + rso_export.code_offset;
+
+  return address;
+}
+
+const std::vector<RSOExport>& RSOView::GetExports() const
+{
+  return m_exports.GetExports();
+}
+
+std::size_t RSOView::GetInternalsCount() const
+{
+  return m_internals.Count();
+}
+
+const RSOInternalsEntry& RSOView::GetInternalsEntry(std::size_t index) const
+{
+  return m_internals.GetEntry(index);
+}
+
+const std::vector<RSOInternalsEntry>& RSOView::GetInternals() const
+{
+  return m_internals.GetEntries();
+}
+
+std::size_t RSOView::GetExternalsCount() const
+{
+  return m_externals.Count();
+}
+
+const RSOExternalsEntry& RSOView::GetExternalsEntry(std::size_t index) const
+{
+  return m_externals.GetEntry(index);
+}
+
+const std::vector<RSOExternalsEntry>& RSOView::GetExternals() const
+{
+  return m_externals.GetEntries();
+}
+
+const std::string& RSOView::GetName() const
+{
+  return m_header.GetName();
+}
+
+std::string RSOView::GetName(const RSOImport& rso_import) const
+{
+  return GetImportName(rso_import);
+}
+
+std::string RSOView::GetName(const RSOExport& rso_export) const
+{
+  return GetExportName(rso_export);
+}
+
+u32 RSOView::GetProlog() const
+{
+  u32 section_index = m_header.GetPrologSectionIndex();
+  if (section_index == 0)
+    WARN_LOG(OSHLE, "RSO doesn't have a prolog function");
+  else if (section_index >= m_sections.Count())
+    WARN_LOG(OSHLE, "RSO prolog section index out of bound");
+  else
+    return GetSection(section_index).offset + m_header.GetPrologSectionOffset();
+  return 0;
+}
+
+u32 RSOView::GetEpilog() const
+{
+  u32 section_index = m_header.GetEpilogSectionIndex();
+  if (section_index == 0)
+    WARN_LOG(OSHLE, "RSO doesn't have an epilog function");
+  else if (section_index >= m_sections.Count())
+    WARN_LOG(OSHLE, "RSO epilog section index out of bound");
+  else
+    return GetSection(section_index).offset + m_header.GetEpilogSectionOffset();
+  return 0;
+}
+
+u32 RSOView::GetUnresolved() const
+{
+  u32 section_index = m_header.GetUnresolvedSectionIndex();
+  if (section_index == 0)
+    WARN_LOG(OSHLE, "RSO doesn't have a unresolved function");
+  else if (section_index >= m_sections.Count())
+    WARN_LOG(OSHLE, "RSO unresolved section index out of bound");
+  else
+    return GetSection(section_index).offset + m_header.GetUnresolvedSectionOffset();
+  return 0;
+}
+
+bool RSOChainView::Load(u32 address)
+{
+  // Load node
+  RSOView node;
+  node.LoadHeader(address);
+  DEBUG_LOG(OSHLE, "RSOChain node name: %s", node.GetName().c_str());
+  m_chain.emplace_front(std::move(node));
+
+  if (LoadNextChain(m_chain.front()) && LoadPrevChain(m_chain.front()))
+  {
+    for (RSOView& view : m_chain)
+    {
+      view.LoadSections();
+      view.LoadExports();
+      view.LoadImports();
+      view.LoadExternals();
+      view.LoadInternals();
+    }
+    return true;
+  }
+  return false;
+}
+
+void RSOChainView::Apply(PPCSymbolDB* symbol_db) const
+{
+  for (const RSOView& rso_view : m_chain)
+    rso_view.Apply(symbol_db);
+}
+
+void RSOChainView::Clear()
+{
+  m_chain.clear();
+}
+
+const std::list<RSOView>& RSOChainView::GetChain() const
+{
+  return m_chain;
+}
+
+bool RSOChainView::LoadNextChain(const RSOView& view)
+{
+  u32 prev_address = view.GetAddress();
+  u32 next_address = view.GetNextEntry();
+
+  while (next_address != 0)
+  {
+    RSOView next_node;
+    next_node.LoadHeader(next_address);
+
+    if (prev_address != next_node.GetPrevEntry())
+    {
+      ERROR_LOG(OSHLE, "RSOChain has an incoherent previous link %08x != %08x in %s", prev_address,
+                next_node.GetPrevEntry(), next_node.GetName().c_str());
+      return false;
+    }
+
+    prev_address = next_address;
+    next_address = next_node.GetNextEntry();
+    m_chain.emplace_back(std::move(next_node));
+  }
+
+  return true;
+}
+
+bool RSOChainView::LoadPrevChain(const RSOView& view)
+{
+  u32 prev_address = view.GetPrevEntry();
+  u32 next_address = view.GetAddress();
+
+  while (prev_address != 0)
+  {
+    RSOView prev_node;
+    prev_node.LoadHeader(prev_address);
+
+    if (next_address != prev_node.GetNextEntry())
+    {
+      ERROR_LOG(OSHLE, "RSOChain has an incoherent next link %08x != %08x in %s", next_address,
+                prev_node.GetNextEntry(), prev_node.GetName().c_str());
+      return false;
+    }
+
+    next_address = prev_address;
+    prev_address = prev_node.GetPrevEntry();
+    m_chain.emplace_front(std::move(prev_node));
+  }
+
+  return true;
+}

Source/Core/Core/Debugger/RSO.h

@@ -0,0 +1,282 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <cstddef>
+#include <list>
+#include <string>
+#include <vector>
+
+#include "Common/CommonTypes.h"
+
+class PPCSymbolDB;
+
+struct RSOEntry
+{
+  u32 next_entry;
+  u32 prev_entry;
+  u32 section_count;
+  u32 section_table_offset;
+  u32 name_offset;
+  u32 name_size;
+  u32 version;
+  u32 bss_size;
+};
+
+struct RSOSectionInfo
+{
+  u8 prolog_section_index;
+  u8 epilog_section_index;
+  u8 unresolved_section_index;
+  u8 bss_section_index;
+  u32 prolog_offset;
+  u32 epilog_offset;
+  u32 unresolved_offset;
+};
+
+struct RSORelocationTables
+{
+  u32 internals_offset;
+  u32 internals_size;
+  u32 externals_offset;
+  u32 externals_size;
+};
+
+struct RSOSymbolTables
+{
+  u32 exports_offset;
+  u32 exports_size;
+  u32 exports_name_table;
+  u32 imports_offset;
+  u32 imports_size;
+  u32 imports_name_table;
+};
+
+struct RSOHeader
+{
+  RSOEntry entry;
+  RSOSectionInfo section_info;
+  RSORelocationTables relocation_tables;
+  RSOSymbolTables symbol_tables;
+};
+
+struct RSOSection
+{
+  u32 offset;
+  u32 size;
+};
+
+struct RSOImport
+{
+  u32 name_offset;
+  u32 code_offset;
+  u32 entry_offset;
+};
+
+struct RSOExport
+{
+  u32 name_offset;
+  u32 code_offset;
+  u32 section_index;
+  u32 hash;
+};
+
+enum class RSORelocationTableType
+{
+  Internals,
+  Externals
+};
+
+template <RSORelocationTableType Disambiguate>
+struct RSORelocationTableEntry
+{
+  u32 r_offset;
+  u32 r_info;
+  u32 r_addend;
+};
+
+using RSOInternalsEntry = RSORelocationTableEntry<RSORelocationTableType::Internals>;
+using RSOExternalsEntry = RSORelocationTableEntry<RSORelocationTableType::Externals>;
+
+class RSOHeaderView
+{
+public:
+  void Load(u32 address);
+
+  u32 GetNextEntry() const;
+  u32 GetPrevEntry() const;
+  u32 GetSectionCount() const;
+  u32 GetSectionTableOffset() const;
+  const std::string& GetName() const;
+  u32 GetVersion() const;
+  u32 GetBssSectionSize() const;
+  u32 GetPrologSectionIndex() const;
+  u32 GetEpilogSectionIndex() const;
+  u32 GetUnresolvedSectionIndex() const;
+  u32 GetBssSectionIndex() const;
+  u32 GetPrologSectionOffset() const;
+  u32 GetEpilogSectionOffset() const;
+  u32 GetUnresolvedSectionOffset() const;
+  u32 GetInternalsOffset() const;
+  u32 GetInternalsSize() const;
+  u32 GetExternalsOffset() const;
+  u32 GetExternalsSize() const;
+  u32 GetExportsOffset() const;
+  u32 GetExportsSize() const;
+  u32 GetExportsNameTable() const;
+  u32 GetImportsOffset() const;
+  u32 GetImportsSize() const;
+  u32 GetImportsNameTable() const;
+
+private:
+  RSOHeader m_header;
+  std::string m_name;
+  u32 m_address = 0;
+};
+
+class RSOSectionsView
+{
+public:
+  void Load(u32 address, std::size_t count = 1);
+  std::size_t Count() const;
+
+  const RSOSection& GetSection(std::size_t index) const;
+  const std::vector<RSOSection>& GetSections() const;
+
+private:
+  std::vector<RSOSection> m_sections;
+  u32 m_address = 0;
+};
+
+class RSOImportsView
+{
+public:
+  void Load(u32 address, std::size_t count = 1);
+  std::size_t Count() const;
+
+  const RSOImport& GetImport(std::size_t index) const;
+  const std::vector<RSOImport>& GetImports() const;
+
+private:
+  std::vector<RSOImport> m_imports;
+  u32 m_address = 0;
+};
+
+class RSOExportsView
+{
+public:
+  void Load(u32 address, std::size_t count = 1);
+  std::size_t Count() const;
+
+  const RSOExport& GetExport(std::size_t index) const;
+  const std::vector<RSOExport>& GetExports() const;
+
+private:
+  std::vector<RSOExport> m_exports;
+  u32 m_address = 0;
+};
+
+class RSOInternalsView
+{
+public:
+  void Load(u32 address, std::size_t count = 1);
+  std::size_t Count() const;
+
+  const RSOInternalsEntry& GetEntry(std::size_t index) const;
+  const std::vector<RSOInternalsEntry>& GetEntries() const;
+
+private:
+  std::vector<RSOInternalsEntry> m_entries;
+  u32 m_address = 0;
+};
+
+class RSOExternalsView
+{
+public:
+  void Load(u32 address, std::size_t count = 1);
+  std::size_t Count() const;
+
+  const RSOExternalsEntry& GetEntry(std::size_t index) const;
+  const std::vector<RSOExternalsEntry>& GetEntries() const;
+
+private:
+  std::vector<RSOExternalsEntry> m_entries;
+  u32 m_address = 0;
+};
+
+class RSOView
+{
+public:
+  void LoadHeader(u32 address);
+  void LoadSections();
+  void LoadImports();
+  void LoadExports();
+  void LoadInternals();
+  void LoadExternals();
+  void LoadAll(u32 address);
+
+  void Apply(PPCSymbolDB* symbol_db) const;
+
+  u32 GetNextEntry() const;
+  u32 GetPrevEntry() const;
+  u32 GetVersion() const;
+  u32 GetAddress() const;
+
+  std::size_t GetSectionCount() const;
+  const RSOSection& GetSection(std::size_t index) const;
+  const std::vector<RSOSection>& GetSections() const;
+
+  std::size_t GetImportsCount() const;
+  const RSOImport& GetImport(std::size_t index) const;
+  std::string GetImportName(const RSOImport& rso_import) const;
+  const std::vector<RSOImport>& GetImports() const;
+
+  std::size_t GetExportsCount() const;
+  const RSOExport& GetExport(std::size_t index) const;
+  std::string GetExportName(const RSOExport& rso_export) const;
+  u32 GetExportAddress(const RSOExport& rso_export) const;
+  const std::vector<RSOExport>& GetExports() const;
+
+  std::size_t GetInternalsCount() const;
+  const RSOInternalsEntry& GetInternalsEntry(std::size_t index) const;
+  const std::vector<RSOInternalsEntry>& GetInternals() const;
+
+  std::size_t GetExternalsCount() const;
+  const RSOExternalsEntry& GetExternalsEntry(std::size_t index) const;
+  const std::vector<RSOExternalsEntry>& GetExternals() const;
+
+  const std::string& GetName() const;
+  std::string GetName(const RSOImport& rso_import) const;
+  std::string GetName(const RSOExport& rso_export) const;
+
+  u32 GetProlog() const;
+  u32 GetEpilog() const;
+  u32 GetUnresolved() const;
+
+private:
+  RSOHeaderView m_header;
+  RSOSectionsView m_sections;
+  RSOImportsView m_imports;
+  RSOExportsView m_exports;
+  RSOInternalsView m_internals;
+  RSOExternalsView m_externals;
+  u32 m_address = 0;
+};
+
+class RSOChainView
+{
+public:
+  bool Load(u32 address);
+  void Apply(PPCSymbolDB* symbol_db) const;
+  void Clear();
+  const std::list<RSOView>& GetChain() const;
+
+private:
+  bool LoadNextChain(const RSOView& view);
+  bool LoadPrevChain(const RSOView& view);
+
+  std::list<RSOView> m_chain;
+};

Source/Core/DolphinWX/Debugger/CodeWindowFunctions.cpp

@@ -3,8 +3,10 @@
 // Refer to the license.txt file included.
 
 #include <cstddef>
+#include <cstdlib>
 #include <fstream>
 #include <istream>
+#include <limits>
 #include <sstream>
 #include <string>
 #include <utility>
@@ -29,6 +31,7 @@
 #include "Core/Boot/Boot.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
+#include "Core/Debugger/RSO.h"
 #include "Core/HLE/HLE.h"
 #include "Core/Host.h"
 #include "Core/PowerPC/JitInterface.h"
@@ -202,6 +205,35 @@ void CCodeWindow::OnSymbolsMenu(wxCommandEvent& event)
     NotifyMapLoaded();
     break;
   }
+  case IDM_SCAN_RSO:
+  {
+    wxTextEntryDialog dialog(this, _("Enter the RSO module address:"));
+    if (dialog.ShowModal() == wxID_OK)
+    {
+      unsigned long address;
+      if (dialog.GetValue().ToULong(&address, 0) && address <= std::numeric_limits<u32>::max())
+      {
+        RSOChainView rso_chain;
+        if (rso_chain.Load(static_cast<u32>(address)))
+        {
+          rso_chain.Apply(&g_symbolDB);
+          // Update GUI
+          NotifyMapLoaded();
+        }
+        else
+        {
+          Parent->StatusBarMessage("Failed to load RSO module at %s",
+                                   dialog.GetValue().ToStdString().c_str());
+        }
+      }
+      else
+      {
+        Parent->StatusBarMessage("Invalid RSO module address: %s",
+                                 dialog.GetValue().ToStdString().c_str());
+      }
+    }
+    break;
+  }
   case IDM_LOAD_MAP_FILE:
     if (!map_exists)
     {

Source/Core/DolphinWX/FrameTools.cpp

@@ -232,6 +232,7 @@ void CFrame::BindDebuggerMenuBarUpdateEvents()
   Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_CLEAR_SYMBOLS);
   Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_SCAN_FUNCTIONS);
   Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_SCAN_SIGNATURES);
+  Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_SCAN_RSO);
   Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_LOAD_MAP_FILE);
   Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_SAVEMAPFILE);
   Bind(wxEVT_UPDATE_UI, &WxEventUtils::OnEnableIfCoreInitialized, IDM_LOAD_MAP_FILE_AS);

Source/Core/DolphinWX/Globals.h

@@ -217,6 +217,7 @@ enum
   IDM_CLEAR_SYMBOLS,
   IDM_SCAN_FUNCTIONS,
   IDM_SCAN_SIGNATURES,
+  IDM_SCAN_RSO,
   IDM_LOAD_MAP_FILE,
   IDM_LOAD_MAP_FILE_AS,
   IDM_LOAD_BAD_MAP_FILE,

Source/Core/DolphinWX/MainMenuBar.cpp

@@ -423,6 +423,8 @@ wxMenu* MainMenuBar::CreateSymbolsMenu() const
       IDM_SCAN_SIGNATURES, _("&Signature Database"),
       _("Recognise standard functions from Sys/totaldb.dsy, and use generic zz_ "
         "names for other functions."));
+  generate_symbols_menu->Append(IDM_SCAN_RSO, _("&RSO Modules"),
+                                _("Find functions based on RSO modules (experimental)..."));
   symbols_menu->AppendSubMenu(generate_symbols_menu, _("&Generate Symbols From"));
   symbols_menu->AppendSeparator();
   symbols_menu->Append(IDM_LOAD_MAP_FILE, _("&Load Symbol Map"),