mirror of
https://github.com/wiiu-env/WiiUPluginLoaderBackend.git
synced 2024-07-08 20:11:47 +02:00
296 lines
14 KiB
C++
296 lines
14 KiB
C++
#include <coreinit/cache.h>
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#include "PluginContainer.h"
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#include "PluginInformationFactory.h"
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#include "PluginMetaInformationFactory.h"
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#include "PluginContainerPersistence.h"
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#include "PluginDataPersistence.h"
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#include "DynamicLinkingHelper.h"
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#include "../common/plugin_defines.h"
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#include "PluginInformation.h"
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#include "RelocationData.h"
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bool PluginContainerPersistence::savePlugin(plugin_information_t *pluginInformation, PluginContainer &plugin) {
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int32_t plugin_count = pluginInformation->number_used_plugins;
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auto pluginName = plugin.getMetaInformation().getName();
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if (plugin_count >= MAXIMUM_PLUGINS - 1) {
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DEBUG_FUNCTION_LINE("Maximum of %d plugins reached. %s won't be loaded!", MAXIMUM_PLUGINS, pluginName.c_str());
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return false;
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}
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// Copy data to global struct.
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plugin_information_single_t *plugin_data = &(pluginInformation->plugin_data[plugin_count]);
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// Make sure everything is reset.
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memset((void *) plugin_data, 0, sizeof(plugin_information_single_t));
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const auto &pluginMetaInfo = plugin.getMetaInformation();
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auto plugin_meta_data = &plugin_data->meta;
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if (pluginMetaInfo.getName().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: name will be truncated.");
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}
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strncpy(plugin_meta_data->name, pluginMetaInfo.getName().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo.getAuthor().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: author will be truncated.");
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}
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strncpy(plugin_meta_data->author, pluginMetaInfo.getAuthor().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo.getVersion().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: version will be truncated.");
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}
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strncpy(plugin_meta_data->version, pluginMetaInfo.getVersion().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo.getLicense().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: license will be truncated.");
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}
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strncpy(plugin_meta_data->license, pluginMetaInfo.getLicense().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo.getBuildTimestamp().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: build timestamp will be truncated.");
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}
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strncpy(plugin_meta_data->buildTimestamp, pluginMetaInfo.getBuildTimestamp().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo.getDescription().size() >= MAXIMUM_PLUGIN_DESCRIPTION_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: description will be truncated.");
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DEBUG_FUNCTION_LINE("%s", pluginMetaInfo.getDescription().c_str());
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}
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strncpy(plugin_meta_data->descripion, pluginMetaInfo.getDescription().c_str(), MAXIMUM_PLUGIN_DESCRIPTION_LENGTH - 1);
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if (pluginMetaInfo.getId().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: plugin id will be truncated.");
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}
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strncpy(plugin_meta_data->id, pluginMetaInfo.getId().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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plugin_meta_data->size = pluginMetaInfo.getSize();
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auto pluginInfo = plugin.getPluginInformation();
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// Relocation
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std::vector<RelocationData> relocationData = pluginInfo.getRelocationDataList();
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for (auto &reloc : relocationData) {
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if (!DynamicLinkingHelper::addReloationEntry(&(pluginInformation->linking_data), plugin_data->info.linking_entries, PLUGIN_DYN_LINK_RELOCATION_LIST_LENGTH, reloc)) {
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DEBUG_FUNCTION_LINE("Failed to add a relocation entry");
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return false;
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}
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}
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std::vector<FunctionData> function_data_list = pluginInfo.getFunctionDataList();
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std::vector<HookData> hook_data_list = pluginInfo.getHookDataList();
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if (function_data_list.size() > MAXIMUM_FUNCTION_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("Plugin %s would replace to many function (%d, maximum is %d). It won't be loaded.", pluginName.c_str(), function_data_list.size(), MAXIMUM_FUNCTION_PER_PLUGIN);
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return false;
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}
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if (hook_data_list.size() > MAXIMUM_HOOKS_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("Plugin %s would set too many hooks (%d, maximum is %d). It won't be loaded.", pluginName.c_str(), hook_data_list.size(), MAXIMUM_HOOKS_PER_PLUGIN);
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return false;
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}
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if (pluginName.length() > MAXIMUM_PLUGIN_NAME_LENGTH - 1) {
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DEBUG_FUNCTION_LINE("Name for plugin %s was too long to be stored.", pluginName.c_str());
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return false;
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}
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/* Store function replacement information */
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uint32_t i = 0;
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for (auto &curFunction : pluginInfo.getFunctionDataList()) {
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function_replacement_data_t *function_data = &plugin_data->info.functions[i];
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if (strlen(curFunction.getName().c_str()) > MAXIMUM_FUNCTION_NAME_LENGTH - 1) {
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DEBUG_FUNCTION_LINE("Could not add function \"%s\" for plugin \"%s\" function name is too long.", curFunction.getName().c_str(), pluginName.c_str());
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continue;
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}
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DEBUG_FUNCTION_LINE_VERBOSE("Adding function \"%s\" for plugin \"%s\"", curFunction.getName().c_str(), pluginName.c_str());
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strncpy(function_data->function_name, curFunction.getName().c_str(), MAXIMUM_FUNCTION_NAME_LENGTH - 1);
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function_data->VERSION = FUNCTION_REPLACEMENT_DATA_STRUCT_VERSION;
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function_data->library = (function_replacement_library_type_t) curFunction.getLibrary();
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function_data->replaceAddr = (uint32_t) curFunction.getReplaceAddress();
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function_data->replaceCall = (uint32_t) curFunction.getReplaceCall();
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function_data->physicalAddr = (uint32_t) curFunction.getPhysicalAddress();
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function_data->virtualAddr = (uint32_t) curFunction.getVirtualAddress();
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function_data->targetProcess = curFunction.getTargetProcess();
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plugin_data->info.number_used_functions++;
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i++;
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}
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i = 0;
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for (auto &curHook : pluginInfo.getHookDataList()) {
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replacement_data_hook_t *hook_data = &plugin_data->info.hooks[i];
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DEBUG_FUNCTION_LINE_VERBOSE("Set hook for plugin \"%s\" of type %08X to target %08X", plugin_data->meta.name, curHook.getType(), (void *) curHook.getFunctionPointer());
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hook_data->func_pointer = (void *) curHook.getFunctionPointer();
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hook_data->type = curHook.getType();
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plugin_data->info.number_used_hooks++;
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i++;
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}
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/* Saving SectionInfos */
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for (auto &curSection : pluginInfo.getSectionInfoList()) {
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bool foundFreeSlot = false;
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uint32_t slot = 0;
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for (uint32_t i = 0; i < MAXIMUM_PLUGIN_SECTION_LENGTH; i++) {
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plugin_section_info_t *sectionInfo = &(plugin_data->info.sectionInfos[i]);
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if (sectionInfo->addr == 0 && sectionInfo->size == 0) {
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foundFreeSlot = true;
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slot = i;
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break;
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}
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}
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if (foundFreeSlot) {
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plugin_section_info_t *sectionInfo = &(plugin_data->info.sectionInfos[slot]);
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if (strlen(curSection.first.c_str()) > MAXIMUM_PLUGIN_SECTION_NAME_LENGTH - 1) {
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DEBUG_FUNCTION_LINE("Could not add section info \"%s\" for plugin \"%s\" section name is too long.", curSection.first.c_str(), pluginName.c_str());
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break;
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}
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strncpy(sectionInfo->name, curSection.first.c_str(), MAXIMUM_PLUGIN_SECTION_NAME_LENGTH - 1);
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sectionInfo->addr = curSection.second.getAddress();
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sectionInfo->size = curSection.second.getSize();
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} else {
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DEBUG_FUNCTION_LINE("Failed to store SectionInfos");
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return false;
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}
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}
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plugin_data->info.trampolinId = pluginInfo.getTrampolinId();
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plugin_data->info.allocatedTextMemoryAddress = pluginInfo.allocatedTextMemoryAddress;
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plugin_data->info.allocatedDataMemoryAddress = pluginInfo.allocatedDataMemoryAddress;
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/* Copy plugin data */
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auto pluginData = plugin.getPluginData();
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auto plugin_data_data = &plugin_data->data;
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PluginDataPersistence::save(plugin_data_data, pluginData);
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pluginInformation->number_used_plugins++;
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DCFlushRange((void *) pluginInformation, sizeof(plugin_information_t));
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ICInvalidateRange((void *) pluginInformation, sizeof(plugin_information_t));
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return true;
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}
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std::vector<PluginContainer> PluginContainerPersistence::loadPlugins(plugin_information_t *pluginInformation) {
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std::vector<PluginContainer> result;
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if (pluginInformation == nullptr) {
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DEBUG_FUNCTION_LINE("pluginInformation == NULL");
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return result;
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}
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DCFlushRange((void *) pluginInformation, sizeof(plugin_information_t));
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ICInvalidateRange((void *) pluginInformation, sizeof(plugin_information_t));
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int32_t plugin_count = pluginInformation->number_used_plugins;
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if (plugin_count > MAXIMUM_PLUGINS) {
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DEBUG_FUNCTION_LINE("pluginInformation->plugin_count was bigger then allowed. %d > %d. Limiting to %d", plugin_count, MAXIMUM_PLUGINS, MAXIMUM_PLUGINS);
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plugin_count = MAXIMUM_PLUGINS;
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}
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for (int32_t i = 0; i < plugin_count; i++) {
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// Copy data from struct.
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plugin_information_single_t *plugin_data = &(pluginInformation->plugin_data[i]);
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PluginMetaInformation metaInformation;
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plugin_meta_info_t *meta = &(plugin_data->meta);
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metaInformation.setAuthor(meta->author);
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metaInformation.setVersion(meta->version);
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metaInformation.setBuildTimestamp(meta->buildTimestamp);
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metaInformation.setLicense(meta->license);
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metaInformation.setDescription(meta->descripion);
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metaInformation.setSize(meta->size);
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metaInformation.setName(meta->name);
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plugin_data_t *data = &(plugin_data->data);
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PluginData pluginData = PluginDataPersistence::load(data);
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PluginInformation curPluginInformation;
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curPluginInformation.setTrampolinId(plugin_data->info.trampolinId);
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curPluginInformation.allocatedTextMemoryAddress = plugin_data->info.allocatedTextMemoryAddress;
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curPluginInformation.allocatedDataMemoryAddress = plugin_data->info.allocatedDataMemoryAddress;
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for (auto & curItem : plugin_data->info.sectionInfos) {
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plugin_section_info_t *sectionInfo = &curItem;
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if (sectionInfo->addr == 0 && sectionInfo->size == 0) {
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continue;
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}
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DEBUG_FUNCTION_LINE_VERBOSE("Add SectionInfo %s", sectionInfo->name);
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std::string name(sectionInfo->name);
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curPluginInformation.addSectionInfo(SectionInfo(name, sectionInfo->addr, sectionInfo->size));
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}
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/* load hook data */
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uint32_t hookCount = plugin_data->info.number_used_hooks;
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if (hookCount > MAXIMUM_HOOKS_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("number_used_hooks was bigger then allowed. %d > %d. Limiting to %d", hookCount, MAXIMUM_HOOKS_PER_PLUGIN, MAXIMUM_HOOKS_PER_PLUGIN);
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hookCount = MAXIMUM_HOOKS_PER_PLUGIN;
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}
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for (uint32_t j = 0; j < hookCount; j++) {
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replacement_data_hook_t *hook_entry = &(plugin_data->info.hooks[j]);
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HookData curHook(hook_entry->func_pointer, hook_entry->type);
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curPluginInformation.addHookData(curHook);
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}
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/* load function replacement data */
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uint32_t functionReplaceCount = plugin_data->info.number_used_functions;
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if (functionReplaceCount > MAXIMUM_FUNCTION_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("number_used_functions was bigger then allowed. %d > %d. Limiting to %d", functionReplaceCount, MAXIMUM_FUNCTION_PER_PLUGIN, MAXIMUM_FUNCTION_PER_PLUGIN);
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functionReplaceCount = MAXIMUM_FUNCTION_PER_PLUGIN;
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}
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for (uint32_t j = 0; j < functionReplaceCount; j++) {
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function_replacement_data_t *entry = &(plugin_data->info.functions[j]);
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FunctionData func((void *) entry->physicalAddr, (void *) entry->virtualAddr, entry->function_name, (function_replacement_library_type_t) entry->library, (void *) entry->replaceAddr, (void *) entry->replaceCall, entry->targetProcess);
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curPluginInformation.addFunctionData(func);
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}
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/* load relocation data */
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for (auto & linking_entrie : plugin_data->info.linking_entries) {
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dyn_linking_relocation_entry_t *linking_entry = &linking_entrie;
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if (linking_entry->destination == nullptr) {
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break;
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}
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dyn_linking_import_t *importEntry = linking_entry->importEntry;
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if (importEntry == nullptr) {
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DEBUG_FUNCTION_LINE("importEntry was NULL, skipping relocation entry");
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continue;
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}
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if (importEntry->importName == nullptr) {
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DEBUG_FUNCTION_LINE("importEntry->importName was NULL, skipping relocation entry");
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continue;
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}
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dyn_linking_function_t *functionEntry = linking_entry->functionEntry;
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if (functionEntry == nullptr) {
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DEBUG_FUNCTION_LINE("functionEntry was NULL, skipping relocation entry");
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continue;
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}
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if (functionEntry->functionName == nullptr) {
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DEBUG_FUNCTION_LINE("functionEntry->functionName was NULL, skipping relocation entry");
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continue;
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}
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ImportRPLInformation rplInfo(importEntry->importName, importEntry->isData);
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std::string functionName(functionEntry->functionName);
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RelocationData reloc(linking_entry->type, linking_entry->offset, linking_entry->addend, linking_entry->destination, functionName, rplInfo);
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curPluginInformation.addRelocationData(reloc);
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}
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PluginContainer container;
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container.setMetaInformation(metaInformation);
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container.setPluginData(pluginData);
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container.setPluginInformation(curPluginInformation);
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result.push_back(container);
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}
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return result;
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}
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