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Add new IPC function

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This commit is contained in:
Maschell 2019-11-16 15:13:52 +01:00
parent aed66958e9
commit 532d6f8454
6 changed files with 75 additions and 9 deletions
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1
src/common/retain_vars.cpp
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@ -1,6 +1,7 @@
#include "retain_vars.h"
#include "utils/overlay_helper.h"
replacement_data_t gbl_replacement_data __attribute__((section(".data")));
to_link_and_load_data_t gbl_to_link_and_load_data[MAXIMUM_PLUGINS] __attribute__((section(".data")));
dyn_linking_relocation_data_t gbl_dyn_linking_data __attribute__((section(".data")));
bool gInBackground __attribute__((section(".data"))) = false;

1
src/common/retain_vars.h
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@ -6,6 +6,7 @@
//#include <dynamic_libs/gx2_functions.h>
extern replacement_data_t gbl_replacement_data;
extern to_link_and_load_data_t gbl_to_link_and_load_data[MAXIMUM_PLUGINS];
extern dyn_linking_relocation_data_t gbl_dyn_linking_data;
extern bool g_NotInLoader;

26
src/entry.cpp
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@ -126,7 +126,6 @@ void afterLoadAndLink() {
CallHook(WUPS_LOADER_HOOK_INIT_PLUGIN);
}
extern "C" void doStart(int argc, char **argv);
// We need to wrap it to make sure the main function is called AFTER our code.
// The compiler tries to optimize this otherwise and calling the main function earlier
@ -178,6 +177,7 @@ extern "C" void doStart(int argc, char **argv) {
//initMemory();
//SplashScreen(1, "Memory mapping was completed!", 0,0);
memset(gbl_to_link_and_load_data,0, sizeof(gbl_to_link_and_load_data));
// Init space
DynamicLinkingHelper::getInstance()->clearAll();
@ -201,7 +201,6 @@ extern "C" void doStart(int argc, char **argv) {
pluginLoader->loadAndLinkPlugins(pluginList);
pluginLoader->clearPluginInformation(pluginList);
delete pluginLoader;
afterLoadAndLink();
} else {
DEBUG_FUNCTION_LINE("Mapping was already done\n");
@ -214,6 +213,29 @@ extern "C" void doStart(int argc, char **argv) {
//MemoryMapping::readTestValuesFromMemory();
}
if(gbl_to_link_and_load_data[0].name[0] != 0) {
ResolveRelocations();
CallHook(WUPS_LOADER_HOOK_DEINIT_PLUGIN);
// Restore patches as the patched functions could change.
RestorePatches();
DynamicLinkingHelper::getInstance()->clearAll();
PluginLoader * pluginLoader = new PluginLoader((void*)PLUGIN_LOCATION_START_ADDRESS, (void*)PLUGIN_LOCATION_END_ADDRESS);
std::vector<PluginInformation *> pluginList;
for(int i = 0; gbl_to_link_and_load_data[i].name[0] != 0; i++) {
PluginInformation * info = PluginInformation::loadPluginInformation(gbl_to_link_and_load_data[i].name);
if(info != NULL) {
pluginList.push_back(info);
}
}
pluginLoader->loadAndLinkPlugins(pluginList);
pluginLoader->clearPluginInformation(pluginList);
delete pluginLoader;
afterLoadAndLink();
memset(gbl_to_link_and_load_data,0, sizeof(gbl_to_link_and_load_data));
}
ResolveRelocations();
MemoryUtils::init();

4
src/patcher/function_patcher.h
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@ -81,6 +81,10 @@ struct replacement_data_t {
replacement_data_plugin_t plugin_data[MAXIMUM_PLUGINS];
};
struct to_link_and_load_data_t {
char name[256];
};
void new_PatchInvidualMethodHooks(replacement_data_plugin_t * data);
void new_RestoreInvidualInstructions(replacement_data_plugin_t * plugin_data);
uint32_t new_GetAddressOfFunction(const char * functionName,wups_loader_library_type_t library);

37
src/utils/ipc.cpp
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@ -226,6 +226,43 @@ int ipc_ioctl(ipcmessage *message) {
}
break;
}
case IOCTL_PLUGIN_LOADER_LINK_VIA_INFORMATION_ON_RESTART: {
DEBUG_FUNCTION_LINE("IOCTL_PLUGIN_LOADER_LINK_VIA_INFORMATION_ON_RESTART\n");
if(message->ioctl.length_in != 8 || message->ioctl.length_io < 4) {
res = IPC_ERROR_INVALID_SIZE;
} else {
plugin_information_handle * plugin_handle_list = (plugin_information_handle *) message->ioctl.buffer_in[0];
uint32_t plugin_handle_list_size = (uint32_t) message->ioctl.buffer_in[1];
//DEBUG_FUNCTION_LINE("plugin_handle_list %08X size %d\n",plugin_handle_list,plugin_handle_list_size);
uint32_t * linkedCount = (uint32_t *)message->ioctl.buffer_io;
*linkedCount = 0;
int inGlobal = 0;
for(uint32_t i = 0; i < plugin_handle_list_size; i++ ) {
plugin_information_handle curHandle = plugin_handle_list[i];
//DEBUG_FUNCTION_LINE("Adding handle %08X\n",curHandle);
if(curHandle != 0/* && (PluginInformation* curInformation = dynamic_cast<PluginInformation*>(curHandle))*/) {
PluginInformation* curInformation = (PluginInformation *)curHandle;
if(inGlobal<=31){
strncpy(gbl_to_link_and_load_data[inGlobal].name, curInformation->getPath().c_str(), 256);
inGlobal++;
}
}
}
for(int i = 0; gbl_to_link_and_load_data[i].name[0] != 0; i++) {
//DEBUG_FUNCTION_LINE("%s\n",gbl_to_link_and_load_data[i].name);
}
//DEBUG_FUNCTION_LINE("inGlobal size is %d\n",inGlobal);
gInBackground = false;
*linkedCount = inGlobal;
}
break;
}
default:
res = IPC_ERROR_INVALID_ARG;
break;

15
src/utils/ipc.h
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@ -16,13 +16,14 @@ extern "C" {
#define IPC_ERROR_INVALID_ARG 0xFFFFFFFE
#define IPC_ERROR_FAILED_ALLOC 0xFFFFFFFD
#define IOCTL_OPEN_PLUGIN_LOADER 0x01
#define IOCTL_CLOSE_PLUGIN_LOADER 0x02
#define IOCTL_PLUGIN_LOADER_GET_INFORMATION_FOR_PATH 0x03
#define IOCTL_PLUGIN_LOADER_GET_INFORMATION_LOADED 0x04
#define IOCTL_PLUGIN_LOADER_GET_INFORMATION_DETAILS 0x05
#define IOCTL_PLUGIN_LOADER_DELETE_INFORMATION 0x06
#define IOCTL_PLUGIN_LOADER_LINK_VIA_INFORMATION 0x07
#define IOCTL_OPEN_PLUGIN_LOADER 0x01
#define IOCTL_CLOSE_PLUGIN_LOADER 0x02
#define IOCTL_PLUGIN_LOADER_GET_INFORMATION_FOR_PATH 0x03
#define IOCTL_PLUGIN_LOADER_GET_INFORMATION_LOADED 0x04
#define IOCTL_PLUGIN_LOADER_GET_INFORMATION_DETAILS 0x05
#define IOCTL_PLUGIN_LOADER_DELETE_INFORMATION 0x06
#define IOCTL_PLUGIN_LOADER_LINK_VIA_INFORMATION 0x07
#define IOCTL_PLUGIN_LOADER_LINK_VIA_INFORMATION_ON_RESTART 0x08
/* IPC message */
typedef struct ipcmessage {