91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/**
|
|
******************************************************************************
|
|
* Xenia : Xbox 360 Emulator Research Project *
|
|
******************************************************************************
|
|
* Copyright 2013 Ben Vanik. All rights reserved. *
|
|
* Released under the BSD license - see LICENSE in the root for more details. *
|
|
******************************************************************************
|
|
*/
|
|
|
|
#include "xenia/kernel/objects/xmodule.h"
|
|
|
|
#include "xenia/base/string.h"
|
|
#include "xenia/kernel/kernel_state.h"
|
|
|
|
namespace xe {
|
|
namespace kernel {
|
|
|
|
XModule::XModule(KernelState* kernel_state, ModuleType module_type,
|
|
const std::string& path)
|
|
: XObject(kernel_state, kTypeModule),
|
|
module_type_(module_type),
|
|
path_(path),
|
|
processor_module_(nullptr),
|
|
hmodule_ptr_(0) {
|
|
auto last_slash = path.find_last_of('/');
|
|
if (last_slash == path.npos) {
|
|
last_slash = path.find_last_of('\\');
|
|
}
|
|
if (last_slash == path.npos) {
|
|
name_ = path_;
|
|
} else {
|
|
name_ = path_.substr(last_slash + 1);
|
|
}
|
|
auto dot = name_.find_last_of('.');
|
|
if (dot != name_.npos) {
|
|
name_ = name_.substr(0, dot);
|
|
}
|
|
|
|
// Loader data (HMODULE)
|
|
hmodule_ptr_ = memory()->SystemHeapAlloc(sizeof(X_LDR_DATA_TABLE_ENTRY));
|
|
|
|
// Hijack the checksum field to store our kernel object handle.
|
|
auto ldr_data =
|
|
memory()->TranslateVirtual<X_LDR_DATA_TABLE_ENTRY*>(hmodule_ptr_);
|
|
ldr_data->checksum = handle();
|
|
}
|
|
|
|
XModule::~XModule() {
|
|
kernel_state_->UnregisterModule(this);
|
|
|
|
// Destroy the loader data.
|
|
memory()->SystemHeapFree(hmodule_ptr_);
|
|
}
|
|
|
|
bool XModule::Matches(const std::string& name) const {
|
|
if (strcasecmp(xe::find_name_from_path(path_).c_str(), name.c_str()) == 0) {
|
|
return true;
|
|
}
|
|
if (strcasecmp(name_.c_str(), name.c_str()) == 0) {
|
|
return true;
|
|
}
|
|
if (strcasecmp(path_.c_str(), name.c_str()) == 0) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void XModule::OnLoad() { kernel_state_->RegisterModule(this); }
|
|
|
|
void XModule::OnUnload() { kernel_state_->UnregisterModule(this); }
|
|
|
|
X_STATUS XModule::GetSection(const char* name, uint32_t* out_section_data,
|
|
uint32_t* out_section_size) {
|
|
return X_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
object_ref<XModule> XModule::GetFromHModule(KernelState* kernel_state,
|
|
void* hmodule) {
|
|
// Grab the object from our stashed kernel handle
|
|
return kernel_state->object_table()->LookupObject<XModule>(
|
|
GetHandleFromHModule(hmodule));
|
|
}
|
|
|
|
uint32_t XModule::GetHandleFromHModule(void* hmodule) {
|
|
auto ldr_data = reinterpret_cast<X_LDR_DATA_TABLE_ENTRY*>(hmodule);
|
|
return ldr_data->checksum;
|
|
}
|
|
|
|
} // namespace kernel
|
|
} // namespace xe
|