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add gen_warp cpp version add add_custom_command to run warp_gen add download cmake add option change option add dynamic read mxnet dll
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| <!--- Licensed to the Apache Software Foundation (ASF) under one --> | ||
| <!--- or more contributor license agreements. See the NOTICE file --> | ||
| <!--- distributed with this work for additional information --> | ||
| <!--- regarding copyright ownership. The ASF licenses this file --> | ||
| <!--- to you under the Apache License, Version 2.0 (the --> | ||
| <!--- "License"); you may not use this file except in compliance --> | ||
| <!--- with the License. You may obtain a copy of the License at --> | ||
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| <!--- http://www.apache.org/licenses/LICENSE-2.0 --> | ||
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| <!--- Unless required by applicable law or agreed to in writing, --> | ||
| <!--- software distributed under the License is distributed on an --> | ||
| <!--- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY --> | ||
| <!--- KIND, either express or implied. See the License for the --> | ||
| <!--- specific language governing permissions and limitations --> | ||
| <!--- under the License. --> | ||
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| Due to dll size limitation under windows. Split dll into different dlls according to arch | ||
| Reference https://github.com/apache/incubator-mxnet/pull/16980 |
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
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| #include <iostream> | ||
| #include <io.h> | ||
| #include <Windows.h> | ||
| #include <cstdint> | ||
| #include <memory> | ||
| #include <vector> | ||
| #include <string> | ||
| #include <iostream> | ||
| #include <fstream> | ||
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| #define IMAGE_SIZEOF_SIGNATURE 4 | ||
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| DWORD rva_to_foa(IN DWORD RVA, IN PIMAGE_SECTION_HEADER section_header) | ||
| { | ||
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| size_t count = 0; | ||
| for (count = 1; RVA > (section_header->VirtualAddress + section_header->Misc.VirtualSize); count++, section_header++); | ||
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| DWORD FOA = RVA - section_header->VirtualAddress + section_header->PointerToRawData; | ||
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| return FOA; | ||
| } | ||
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| std::string format(const char* format, ...) | ||
| { | ||
| va_list args; | ||
| va_start(args, format); | ||
| #ifndef _MSC_VER | ||
| size_t size = std::snprintf(nullptr, 0, format, args) + 1; // Extra space for '\0' | ||
| std::unique_ptr<char[]> buf(new char[size]); | ||
| std::vsnprintf(buf.get(), size, format, args); | ||
| return std::string(buf.get(), buf.get() + size - 1); // We don't want the '\0' inside | ||
| #else | ||
| int size = _vscprintf(format, args) +1; | ||
| std::unique_ptr<char[]> buf(new char[size]); | ||
| vsnprintf_s(buf.get(), size, _TRUNCATE, format, args); | ||
| return std::string(buf.get()); | ||
| #endif | ||
| va_end(args); | ||
| } | ||
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| int main(int argc, char* argv[]) | ||
| { | ||
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| if (argc != 2) | ||
| { | ||
| return 0; | ||
| } | ||
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| //open file | ||
| const HANDLE h_file = CreateFile( | ||
| argv[1], | ||
| GENERIC_READ , | ||
| FILE_SHARE_READ , | ||
| nullptr, | ||
| OPEN_EXISTING, | ||
| FILE_ATTRIBUTE_NORMAL, | ||
| nullptr); | ||
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| DWORD size_high; | ||
| const DWORD size_low = GetFileSize(h_file, &size_high); | ||
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| uint64_t dll_size = ((uint64_t(size_high)) << 32) + (uint64_t)size_low; | ||
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| // Create File Mapping | ||
| const HANDLE h_map_file = CreateFileMapping( | ||
| h_file, | ||
| nullptr, | ||
| PAGE_READONLY, | ||
| size_high, | ||
| size_low, | ||
| nullptr); | ||
| if (h_map_file == INVALID_HANDLE_VALUE || h_map_file == nullptr) | ||
| { | ||
| std::cout << "error"; | ||
| CloseHandle(h_file); | ||
| return 0; | ||
| } | ||
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| //Map File to memory | ||
| void* pv_file = MapViewOfFile( | ||
| h_map_file, | ||
| FILE_MAP_READ, | ||
| 0, | ||
| 0, | ||
| 0); | ||
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| if (pv_file == nullptr) | ||
| { | ||
| std::cout << "error"; | ||
| CloseHandle(h_file); | ||
| return 0; | ||
| } | ||
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| uint8_t* p = static_cast<uint8_t*>(pv_file); | ||
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| PIMAGE_DOS_HEADER dos_header = reinterpret_cast<PIMAGE_DOS_HEADER>(p); | ||
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| const PIMAGE_NT_HEADERS nt_headers = reinterpret_cast<const PIMAGE_NT_HEADERS>(p + dos_header->e_lfanew); | ||
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| const PIMAGE_FILE_HEADER file_header = &nt_headers->FileHeader; | ||
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| PIMAGE_OPTIONAL_HEADER optional_header = (PIMAGE_OPTIONAL_HEADER)(&nt_headers->OptionalHeader); | ||
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| const DWORD file_alignment = optional_header->FileAlignment; | ||
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| PIMAGE_SECTION_HEADER section_table = | ||
| reinterpret_cast<PIMAGE_SECTION_HEADER>(p + dos_header->e_lfanew + | ||
| IMAGE_SIZEOF_SIGNATURE + | ||
| IMAGE_SIZEOF_FILE_HEADER + | ||
| file_header->SizeOfOptionalHeader); | ||
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| DWORD export_foa = rva_to_foa(optional_header->DataDirectory[0].VirtualAddress, section_table); | ||
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| PIMAGE_EXPORT_DIRECTORY export_directory = (PIMAGE_EXPORT_DIRECTORY)(p + export_foa); | ||
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| DWORD name_list_foa = rva_to_foa(export_directory->AddressOfNames, section_table); | ||
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| PDWORD name_list = (PDWORD)(p + name_list_foa); | ||
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| std::vector<std::string> func_list; | ||
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| for (size_t i = 0; i < export_directory->NumberOfNames; i++, name_list++) | ||
| { | ||
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| DWORD name_foa = rva_to_foa(* name_list, section_table); | ||
| char* name = (char*)(p + name_foa); | ||
| func_list.emplace_back(name); | ||
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| } | ||
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| UnmapViewOfFile(pv_file); | ||
| CloseHandle(h_map_file); | ||
| CloseHandle(h_file); | ||
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| std::ofstream gen_cpp_obj; | ||
| gen_cpp_obj.open("warp_gen_cpp.cpp", std::ios::out | std::ios::trunc); | ||
| gen_cpp_obj << "#include <Windows.h>\n"; | ||
| gen_cpp_obj << "extern \"C\" \n{\n"; | ||
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| for (size_t i = 0; i < func_list.size(); ++i) | ||
| { | ||
| auto fun = func_list[i]; | ||
| gen_cpp_obj << format("void * warp_point_%d;\n", i); | ||
| gen_cpp_obj << format("#pragma comment(linker, \"/export:%s=warp_func_%d\")\n", fun.c_str(), i); | ||
| gen_cpp_obj << format("void warp_func_%d();\n", i); | ||
| gen_cpp_obj << ("\n"); | ||
| } | ||
| gen_cpp_obj << ("}\n"); | ||
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| gen_cpp_obj << ("void load_function(HMODULE hm)\n{\n"); | ||
| for (size_t i = 0; i < func_list.size(); ++i) | ||
| { | ||
| auto fun = func_list[i]; | ||
| gen_cpp_obj << format("warp_point_%d = (void*)GetProcAddress(hm, \"%s\");\n", i, fun.c_str()); | ||
| } | ||
| gen_cpp_obj << ("}\n"); | ||
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| gen_cpp_obj.close(); | ||
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| std::ofstream gen_asm_obj; | ||
| gen_asm_obj.open("warp_gen.asm", std::ios::out | std::ios::trunc); | ||
| for (size_t i = 0; i < func_list.size(); ++i) | ||
| { | ||
| auto fun = func_list[i]; | ||
| gen_asm_obj << format("EXTERN warp_point_%d:QWORD;\n", i); | ||
| } | ||
| gen_asm_obj << ".CODE\n"; | ||
| for (size_t i = 0; i < func_list.size(); ++i) | ||
| { | ||
| auto fun = func_list[i]; | ||
| gen_asm_obj << format("warp_func_%d PROC\njmp warp_point_%d;\nwarp_func_%d ENDP\n", i,i,i); | ||
| } | ||
| gen_asm_obj << "END\n"; | ||
| gen_asm_obj.close(); | ||
| } |
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