100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
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#include "il2cpp-config.h"
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#include "utils/Memory.h"
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#if IL2CPP_TARGET_WINDOWS
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#include "os/Image.h"
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#include "WindowsHeaders.h"
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#include <libloaderapi.h>
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#include <cstdio>
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EXTERN_C IMAGE_DOS_HEADER __ImageBase;
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namespace il2cpp
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{
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namespace os
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{
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namespace Image
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{
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static void InitializeManagedSection()
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{
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PIMAGE_NT_HEADERS ntHeaders = (PIMAGE_NT_HEADERS)(((char*)&__ImageBase) + __ImageBase.e_lfanew);
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PIMAGE_SECTION_HEADER sectionHeader = (PIMAGE_SECTION_HEADER)((char*)&ntHeaders->OptionalHeader + ntHeaders->FileHeader.SizeOfOptionalHeader);
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for (int i = 0; i < ntHeaders->FileHeader.NumberOfSections; i++)
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{
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if (strncmp(IL2CPP_BINARY_SECTION_NAME, (char*)sectionHeader->Name, IMAGE_SIZEOF_SHORT_NAME) == 0)
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{
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void* start = (char*)&__ImageBase + sectionHeader->VirtualAddress;
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void* end = (char*)start + sectionHeader->Misc.VirtualSize;
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SetManagedSectionStartAndEnd(start, end);
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}
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sectionHeader++;
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}
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}
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void Initialize()
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{
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InitializeManagedSection();
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}
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void* GetImageBase()
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{
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return &__ImageBase;
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}
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#if IL2CPP_ENABLE_NATIVE_INSTRUCTION_POINTER_EMISSION
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struct PdbInfo
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{
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DWORD Signature;
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GUID Guid;
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DWORD Age;
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char PdbFileName[1];
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};
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char* GetImageUUID()
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{
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uintptr_t base_pointer = (uintptr_t)((char*)&__ImageBase);
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PIMAGE_NT_HEADERS ntHeaders = (PIMAGE_NT_HEADERS)(base_pointer + __ImageBase.e_lfanew);
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IMAGE_DATA_DIRECTORY* dir = &ntHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG];
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IMAGE_DEBUG_DIRECTORY* dbg_dir = (IMAGE_DEBUG_DIRECTORY*)(base_pointer + dir->VirtualAddress);
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if (IMAGE_DEBUG_TYPE_CODEVIEW == dbg_dir->Type)
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{
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PdbInfo* pdb_info = (PdbInfo*)(base_pointer + dbg_dir->AddressOfRawData);
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char* uuid = static_cast<char*>(IL2CPP_MALLOC(41));
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// Crash reporting expects the GUID without dashes (the format used by symbol servers)
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_snprintf_s(uuid, 41, 40, "%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX%X",
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(unsigned char)(pdb_info->Guid.Data1 >> 24),
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(unsigned char)(pdb_info->Guid.Data1 >> 16),
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(unsigned char)(pdb_info->Guid.Data1 >> 8),
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(unsigned char)pdb_info->Guid.Data1,
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(unsigned char)(pdb_info->Guid.Data2 >> 8),
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(unsigned char)pdb_info->Guid.Data2,
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(unsigned char)(pdb_info->Guid.Data3 >> 8),
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(unsigned char)pdb_info->Guid.Data3,
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pdb_info->Guid.Data4[0], pdb_info->Guid.Data4[1], pdb_info->Guid.Data4[2], pdb_info->Guid.Data4[3],
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pdb_info->Guid.Data4[4], pdb_info->Guid.Data4[5], pdb_info->Guid.Data4[6], pdb_info->Guid.Data4[7],
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pdb_info->Age);
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return uuid;
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}
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return NULL;
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}
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char* GetImageName()
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{
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char* name = static_cast<char*>(IL2CPP_MALLOC(MAX_PATH + 1));
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GetModuleFileNameA((HMODULE)&__ImageBase, name, MAX_PATH + 1);
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return name;
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}
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#endif
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}
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}
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}
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#endif
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