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Load packaged system modules through the native module lifecycle

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This commit is contained in:
nmzik
2026-10-16 19:05:25 +02:00
parent d7974dc763
commit e7ac242039
4 changed files with 84 additions and 23 deletions
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src/libs/libSysmodule.cpp
+47 -16
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@@ -3,6 +3,7 @@
#include "common/common.h"
#include "common/logging/log.h"
#include "common/stringUtils.h"
#include "kernel/module.h"
#include "libs/libs.h"
#include "loader/symbolDatabase.h"
@@ -20,14 +21,40 @@ int KYTY_SYSV_ABI KernelGetModuleInfoForUnwind(uint64_t addr, int flags, ModuleI
namespace Sysmodule {
constexpr int SYSMODULE_ERROR_UNLOADED = static_cast<int>(0x805a1001u);
constexpr int SYSMODULE_ERROR_UNLOADED = static_cast<int>(0x805a1001u);
constexpr int SYSMODULE_ERROR_FATAL = static_cast<int>(0x805a10ffu);
static std::mutex g_module_mutex;
static std::unordered_map<uint16_t, uint32_t> g_module_refs;
static constexpr struct NativeModule {
uint16_t id;
const char* path;
} g_native_modules[] = {{0x0115, "/app0/sce_module/libSceNpCppWebApi.prx"}};
static void LoadModule(uint16_t id) {
struct Module {
uint32_t references = 0;
LibKernel::KernelModule handle = -1;
};
static std::mutex g_module_mutex;
static std::unordered_map<uint16_t, Module> g_modules;
static int LoadModule(uint16_t id) {
std::scoped_lock lock(g_module_mutex);
++g_module_refs[id];
if (const auto module = g_modules.find(id); module != g_modules.end()) {
++module->second.references;
return 0;
}
LibKernel::KernelModule handle = -1;
for (const auto& module: g_native_modules) {
if (module.id != id) continue;
handle = LibKernel::KernelLoadStartModule(module.path, 0, nullptr, 0, nullptr, nullptr);
if (handle < 0) {
return handle;
}
break;
}
g_modules.emplace(id, Module {1, handle});
return 0;
}
static KYTY_SYSV_ABI int SysmoduleGetModuleInfoForUnwind(uint64_t addr, int flags,
@@ -40,8 +67,7 @@ static KYTY_SYSV_ABI int SysmoduleLoadModule(uint16_t id) {
LOGF("\t id = %d\n", static_cast<int>(id));
LoadModule(id);
return 0;
return LoadModule(id);
}
static KYTY_SYSV_ABI int SysmoduleUnloadModule(uint16_t id) {
@@ -50,12 +76,19 @@ static KYTY_SYSV_ABI int SysmoduleUnloadModule(uint16_t id) {
LOGF("\t id = %d\n", static_cast<int>(id));
std::scoped_lock lock(g_module_mutex);
const auto module = g_module_refs.find(id);
if (module == g_module_refs.end()) {
const auto module = g_modules.find(id);
if (module == g_modules.end()) {
return SYSMODULE_ERROR_UNLOADED;
}
if (--module->second == 0) {
g_module_refs.erase(module);
if (module->second.references == 1) {
if (module->second.handle >= 0 &&
LibKernel::KernelStopUnloadModule(module->second.handle, 0, nullptr, 0, nullptr,
nullptr) < 0) {
return SYSMODULE_ERROR_FATAL;
}
g_modules.erase(id);
} else {
--module->second.references;
}
return 0;
}
@@ -71,10 +104,8 @@ static KYTY_SYSV_ABI int SysmoduleLoadModuleInternalWithArg(uint16_t id, int arg
EXIT_IF(arg3 != 0);
EXIT_IF(ret == nullptr);
LoadModule(id);
*ret = 0;
return 0;
*ret = LoadModule(id);
return *ret;
}
static KYTY_SYSV_ABI int SysmoduleIsLoaded(uint16_t id) {
@@ -83,7 +114,7 @@ static KYTY_SYSV_ABI int SysmoduleIsLoaded(uint16_t id) {
LOGF("\t id = %d\n", static_cast<int>(id));
std::scoped_lock lock(g_module_mutex);
return g_module_refs.contains(id) ? 0 : SYSMODULE_ERROR_UNLOADED;
return g_modules.contains(id) ? 0 : SYSMODULE_ERROR_UNLOADED;
}
} // namespace Sysmodule