The-Homebrew-Cloud/WiiUPluginSystem
2
0
Fork 0
mirror of https://github.com/wiiu-env/WiiUPluginSystem.git synced 2024-12-23 16:42:00 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add support for the new plugin format to the loader!

Browse Source 
ALL EXISTING PLUGINS ARE STILL BROKEN AND NEED TO BE BUILT AGAIN
This commit is contained in:
Maschell 2018-06-28 22:25:04 +02:00
parent f3e0eaa176
commit 0882634c11
4 changed files with 48 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
loader/src/main.cpp
View File

@ -139,8 +139,12 @@ extern "C" int32_t Menu_Main(int32_t argc, char **argv) {
DEBUG_FUNCTION_LINE("Do relocations\n");
std::vector<dyn_linking_relocation_entry_t *> relocations = DynamicLinkingHelper::getInstance()->getAllValidDynamicLinkingRelocations();
DEBUG_FUNCTION_LINE("Found relocation information for %d functions\n",relocations.size()) ;
DynamicLinkingHelper::getInstance()->fillRelocations(relocations);
DEBUG_FUNCTION_LINE("Found relocation information for %d functions\n",relocations.size());
if(!DynamicLinkingHelper::getInstance()->fillRelocations(relocations)){
OSFatal("fillRelocations failed.");
}
if(!isInMiiMakerHBL()) {

4
loader/src/plugin/PluginInformation.cpp
View File

@ -158,10 +158,10 @@ bool PluginInformation::parseElf( Elf *elf) {
DEBUG_FUNCTION_LINE("Warning: Ignoring '%s' - Invalid ELF header\n", path_c);
goto exit_error;
}
if (ehdr->e_type != ET_REL) {
/*if (ehdr->e_type != ET_REL) {
DEBUG_FUNCTION_LINE("Warning: Ignoring '%s' - Not relocatable ELF.\n", path_c);
goto exit_error;
}
}*/
if (ehdr->e_machine != EM_PPC) {
DEBUG_FUNCTION_LINE("Warning: Ignoring '%s' - Architecture not EM_PPC.\n", path_c);
goto exit_error;

59
loader/src/plugin/PluginLoader.cpp
View File

@ -187,12 +187,13 @@ exit_error:
return result;
}
bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endAddress) {
if(pluginData == NULL || elf == NULL || endAddress == NULL) {
bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * startAddress) {
if(pluginData == NULL || elf == NULL || startAddress == NULL) {
return false;
}
uint32_t curAddress = (uint32_t) endAddress;
uint32_t curAddress = (uint32_t) startAddress;
uint32_t firstCurAddress = (uint32_t) startAddress;
Elf_Scn *scn;
size_t symtab_count, section_count, shstrndx, symtab_strndx, entries_count, hooks_count;
@ -227,6 +228,8 @@ bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endA
destinations = (uint8_t **) malloc(sizeof(uint8_t *) * section_count);
DEBUG_FUNCTION_LINE("Copy sections\n");
for (scn = elf_nextscn(elf, NULL); scn != NULL; scn = elf_nextscn(elf, scn)) {
Elf32_Shdr *shdr;
@ -264,13 +267,15 @@ bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endA
goto exit_error;
}
destinations[elf_ndxscn(scn)] = (uint8_t *)entries;
// We need to subtract the sh_addr because it will be added later in the relocations.
destinations[elf_ndxscn(scn)] = (uint8_t *)entries - (shdr->sh_addr);
if (!ElfTools::elfLoadSection(elf, scn, shdr, entries)) {
DEBUG_FUNCTION_LINE("elfLoadSection failed\n");
goto exit_error;
}
ElfTools::elfLoadSymbols(elf_ndxscn(scn), entries, symtab, symtab_count);
ElfTools::elfLoadSymbols(elf_ndxscn(scn), entries- (shdr->sh_addr), symtab, symtab_count);
for(size_t i = 0; i< entries_count; i++) {
entry_t_list.push_back(&entries[i]);
@ -289,41 +294,40 @@ bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endA
goto exit_error;
}
destinations[elf_ndxscn(scn)] = (uint8_t *)hooks;
// We need to subtract the sh_addr because it will be added later in the relocations.
uint32_t destination = (uint32_t)hooks - (shdr->sh_addr);
destinations[elf_ndxscn(scn)] = (uint8_t *)destination;
if (!ElfTools::elfLoadSection(elf, scn, shdr, hooks)) {
DEBUG_FUNCTION_LINE("elfLoadSection failed\n");
goto exit_error;
}
ElfTools::elfLoadSymbols(elf_ndxscn(scn), hooks, symtab, symtab_count);
ElfTools::elfLoadSymbols(elf_ndxscn(scn), (void *) destination, symtab, symtab_count);
for(size_t i = 0; i< hooks_count; i++) {
hook_t_list.push_back(&hooks[i]);
}
} else {
curAddress -= shdr->sh_size;
uint32_t destination = firstCurAddress + shdr->sh_addr;
destinations[elf_ndxscn(scn)] = (uint8_t *) firstCurAddress;
if (shdr->sh_addralign > 3) {
curAddress = (uint32_t)((int32_t)curAddress & ~(shdr->sh_addralign - 1));
} else {
curAddress = (uint32_t)((int32_t)curAddress & ~3);
}
destinations[elf_ndxscn(scn)] = (uint8_t *) curAddress;
if((uint32_t) curAddress < (uint32_t) this->startAddress) {
DEBUG_FUNCTION_LINE("Not enough space to load function %s into memory at %08X.\n",name,curAddress);
if((uint32_t) destination + shdr->sh_size > (uint32_t) this->endAddress) {
DEBUG_FUNCTION_LINE("Not enough space to load function %s into memory at %08X.\n",name,destination);
goto exit_error;
}
DEBUG_FUNCTION_LINE("Copy section %s to %08X\n",name,curAddress);
if (!ElfTools::elfLoadSection(elf, scn, shdr, (void*) curAddress)) {
DEBUG_FUNCTION_LINE("Copy section %s to %08X\n",name,destination);
if (!ElfTools::elfLoadSection(elf, scn, shdr, (void*) destination)) {
DEBUG_FUNCTION_LINE("elfLoadSection failed\n");
goto exit_error;
}
ElfTools::elfLoadSymbols(elf_ndxscn(scn), (void*) curAddress, symtab, symtab_count);
ElfTools::elfLoadSymbols(elf_ndxscn(scn), (void*) firstCurAddress, symtab, symtab_count);
curAddress = destination + shdr->sh_size;
}
}
}
for (scn = elf_nextscn(elf, NULL); scn != NULL; scn = elf_nextscn(elf, scn)) {
Elf32_Shdr *shdr;
@ -348,7 +352,6 @@ bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endA
}
i = 0;
for (scn = elf_nextscn(elf, NULL); scn != NULL; scn = elf_nextscn(elf, scn)) {
Elf32_Shdr *shdr;
@ -357,15 +360,25 @@ bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endA
continue;
}
const char *name;
name = elf_strptr(elf, shstrndx, shdr->sh_name);
if (name == NULL) {
DEBUG_FUNCTION_LINE("name is null\n");
continue;
}
if ((shdr->sh_type == SHT_PROGBITS || shdr->sh_type == SHT_NOBITS) &&
(shdr->sh_flags & SHF_ALLOC) &&
destinations[elf_ndxscn(scn)] != NULL) {
DEBUG_FUNCTION_LINE("Linking (%d)... %s\n",i++,name);
if (!ElfTools::elfLink(elf, elf_ndxscn(scn), destinations[elf_ndxscn(scn)], symtab, symtab_count, symtab_strndx, true, pluginData)) {
DEBUG_FUNCTION_LINE("elfLink failed\n");
goto exit_error;
}
}
}
DEBUG_FUNCTION_LINE("Linking done \n");
for(size_t j=0; j<hook_t_list.size(); j++) {
wups_loader_hook_t * hook = hook_t_list[j];
@ -386,7 +399,9 @@ bool PluginLoader::loadAndLinkElf(PluginData * pluginData, Elf *elf, void * endA
result = true;
exit_error:
if (!result) DEBUG_FUNCTION_LINE("exit_error\n");
if (!result) {
DEBUG_FUNCTION_LINE("exit_error\n");
}
if (destinations != NULL) {
free(destinations);
}

6
loader/src/plugin/PluginLoader.h
View File

@ -114,7 +114,7 @@ public:
}
size_t getAvailableSpace() {
return ((uint32_t) this->currentStoreAddress - (uint32_t) this->startAddress);
return ((uint32_t) this->endAddress - (uint32_t) this->currentStoreAddress);
}
size_t getUsedSpace() {
@ -122,7 +122,7 @@ public:
}
void resetPluginLoader() {
this->currentStoreAddress = endAddress;
this->currentStoreAddress = (void*) ROUNDUP((uint32_t)startAddress, 0x100);
}
uint32_t getMemoryFromDataSection(size_t align, size_t size);
@ -132,7 +132,7 @@ private:
// TODO: Check if endAddress > startAddress.
this->startAddress = startAddress;
this->endAddress = endAddress;
this->currentStoreAddress = endAddress;
this->currentStoreAddress = (void*) ROUNDUP((uint32_t)startAddress, 0x100);
}
~PluginLoader() {