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https://git.suyu.dev/suyu/suyu.git
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added ELF loading support to loader.cpp
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bunnei
parent
e32c03e860
commit
85e8da6fc8
1 changed files with 111 additions and 67 deletions
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@ -26,35 +26,67 @@
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#include "loader.h"
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#include "system.h"
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#include "file_sys/directory_file_system.h"
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#include "elf/elf_reader.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Loads an extracted CXI from a directory
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bool LoadDirectory_CXI(std::string &filename) {
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std::string full_path = filename;
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std::string path, file, extension;
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SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
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std::string full_path = filename;
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std::string path, file, extension;
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SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
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#if EMU_PLATFORM == PLATFORM_WINDOWS
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path = ReplaceAll(path, "/", "\\");
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path = ReplaceAll(path, "/", "\\");
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#endif
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DirectoryFileSystem *fs = new DirectoryFileSystem(&System::g_ctr_file_system, path);
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System::g_ctr_file_system.Mount("fs:", fs);
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DirectoryFileSystem *fs = new DirectoryFileSystem(&System::g_ctr_file_system, path);
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System::g_ctr_file_system.Mount("fs:", fs);
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std::string final_name = "fs:/" + file + extension;
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File::IOFile f(filename, "rb");
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std::string final_name = "fs:/" + file + extension;
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File::IOFile f(filename, "rb");
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if (f.IsOpen()) {
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// TODO(ShizZy): read here to memory....
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}
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ERROR_LOG(TIME, "Unimplemented function!");
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return true;
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if (f.IsOpen()) {
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// TODO(ShizZy): read here to memory....
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}
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ERROR_LOG(TIME, "Unimplemented function!");
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return true;
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}
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/// Loads a CTR ELF file
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bool Load_ELF(std::string &filename) {
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std::string full_path = filename;
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std::string path, file, extension;
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SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
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#if EMU_PLATFORM == PLATFORM_WINDOWS
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path = ReplaceAll(path, "/", "\\");
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#endif
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File::IOFile f(filename, "rb");
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if (f.IsOpen()) {
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u64 size = f.GetSize();
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u8* buffer = new u8[size];
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ElfReader* elf_reader = NULL;
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f.ReadBytes(buffer, size);
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elf_reader = new ElfReader(buffer);
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elf_reader->LoadInto(0x00100000);
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delete[] buffer;
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delete elf_reader;
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}
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else {
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return false;
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}
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f.Close();
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return true;
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}
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namespace Loader {
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bool IsBootableDirectory() {
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ERROR_LOG(TIME, "Unimplemented function!");
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return true;
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ERROR_LOG(TIME, "Unimplemented function!");
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return true;
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}
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/**
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@ -64,28 +96,36 @@ bool IsBootableDirectory() {
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* @return FileType of file
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*/
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FileType IdentifyFile(std::string &filename) {
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if (filename.size() == 0) {
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ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
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return FILETYPE_ERROR;
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}
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std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
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if (File::IsDirectory(filename)) {
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if (IsBootableDirectory()) {
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return FILETYPE_DIRECTORY_CXI;
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} else {
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return FILETYPE_NORMAL_DIRECTORY;
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}
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} else if (!strcasecmp(extension.c_str(),".zip")) {
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return FILETYPE_ARCHIVE_ZIP;
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} else if (!strcasecmp(extension.c_str(),".rar")) {
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return FILETYPE_ARCHIVE_RAR;
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} else if (!strcasecmp(extension.c_str(),".r00")) {
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return FILETYPE_ARCHIVE_RAR;
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} else if (!strcasecmp(extension.c_str(),".r01")) {
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return FILETYPE_ARCHIVE_RAR;
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}
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return FILETYPE_UNKNOWN;
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if (filename.size() == 0) {
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ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
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return FILETYPE_ERROR;
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}
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std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
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if (File::IsDirectory(filename)) {
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if (IsBootableDirectory()) {
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return FILETYPE_DIRECTORY_CXI;
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}
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else {
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return FILETYPE_NORMAL_DIRECTORY;
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}
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}
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else if (!strcasecmp(extension.c_str(), ".elf")) {
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return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
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}
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else if (!strcasecmp(extension.c_str(), ".zip")) {
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return FILETYPE_ARCHIVE_ZIP;
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}
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else if (!strcasecmp(extension.c_str(), ".rar")) {
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return FILETYPE_ARCHIVE_RAR;
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}
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else if (!strcasecmp(extension.c_str(), ".r00")) {
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return FILETYPE_ARCHIVE_RAR;
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}
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else if (!strcasecmp(extension.c_str(), ".r01")) {
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return FILETYPE_ARCHIVE_RAR;
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}
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return FILETYPE_UNKNOWN;
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}
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/**
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@ -95,48 +135,52 @@ FileType IdentifyFile(std::string &filename) {
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* @return True on success, otherwise false
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*/
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bool LoadFile(std::string &filename, std::string *error_string) {
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INFO_LOG(LOADER,"Identifying file...");
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// Note that this can modify filename!
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switch (IdentifyFile(filename)) {
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INFO_LOG(LOADER, "Identifying file...");
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case FILETYPE_DIRECTORY_CXI:
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return LoadDirectory_CXI(filename);
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// Note that this can modify filename!
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switch (IdentifyFile(filename)) {
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case FILETYPE_ERROR:
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ERROR_LOG(LOADER, "Could not read file");
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*error_string = "Error reading file";
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break;
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case FILETYPE_CTR_ELF:
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return Load_ELF(filename);
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case FILETYPE_ARCHIVE_RAR:
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case FILETYPE_DIRECTORY_CXI:
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return LoadDirectory_CXI(filename);
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case FILETYPE_ERROR:
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ERROR_LOG(LOADER, "Could not read file");
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*error_string = "Error reading file";
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break;
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case FILETYPE_ARCHIVE_RAR:
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#ifdef WIN32
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*error_string = "RAR file detected (Require WINRAR)";
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*error_string = "RAR file detected (Require WINRAR)";
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#else
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*error_string = "RAR file detected (Require UnRAR)";
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*error_string = "RAR file detected (Require UnRAR)";
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#endif
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break;
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break;
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case FILETYPE_ARCHIVE_ZIP:
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case FILETYPE_ARCHIVE_ZIP:
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#ifdef WIN32
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*error_string = "ZIP file detected (Require WINRAR)";
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*error_string = "ZIP file detected (Require WINRAR)";
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#else
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*error_string = "ZIP file detected (Require UnRAR)";
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*error_string = "ZIP file detected (Require UnRAR)";
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#endif
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break;
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break;
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case FILETYPE_NORMAL_DIRECTORY:
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ERROR_LOG(LOADER, "Just a directory.");
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*error_string = "Just a directory.";
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break;
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case FILETYPE_NORMAL_DIRECTORY:
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ERROR_LOG(LOADER, "Just a directory.");
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*error_string = "Just a directory.";
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break;
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case FILETYPE_UNKNOWN_BIN:
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case FILETYPE_UNKNOWN_ELF:
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case FILETYPE_UNKNOWN:
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default:
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ERROR_LOG(LOADER, "Failed to identify file");
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*error_string = "Failed to identify file";
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break;
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}
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return false;
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case FILETYPE_UNKNOWN_BIN:
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case FILETYPE_UNKNOWN_ELF:
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case FILETYPE_UNKNOWN:
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default:
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ERROR_LOG(LOADER, "Failed to identify file");
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*error_string = "Failed to identify file";
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break;
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}
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return false;
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}
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} // namespace
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