kernel/process: Make CodeSet a regular non-inherited object

These only exist to ferry data into a Process instance and end up going
out of scope quite early. Because of this, we can just make it a plain
struct for holding things and just std::move it into the relevant
function. There's no need to make this inherit from the kernel's Object
type.
This commit is contained in:
Lioncash 2018-10-12 11:36:31 -04:00
parent 9bf409f275
commit 1abed2f4c4
7 changed files with 45 additions and 83 deletions

View file

@ -25,7 +25,6 @@ bool Object::IsWaitable() const {
case HandleType::Process:
case HandleType::AddressArbiter:
case HandleType::ResourceLimit:
case HandleType::CodeSet:
case HandleType::ClientPort:
case HandleType::ClientSession:
return false;

View file

@ -26,7 +26,6 @@ enum class HandleType : u32 {
AddressArbiter,
Timer,
ResourceLimit,
CodeSet,
ClientPort,
ServerPort,
ClientSession,

View file

@ -20,13 +20,7 @@
namespace Kernel {
SharedPtr<CodeSet> CodeSet::Create(KernelCore& kernel, std::string name) {
SharedPtr<CodeSet> codeset(new CodeSet(kernel));
codeset->name = std::move(name);
return codeset;
}
CodeSet::CodeSet(KernelCore& kernel) : Object{kernel} {}
CodeSet::CodeSet() = default;
CodeSet::~CodeSet() = default;
SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
@ -224,20 +218,20 @@ void Process::FreeTLSSlot(VAddr tls_address) {
tls_slots[tls_page].reset(tls_slot);
}
void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
void Process::LoadModule(CodeSet module_, VAddr base_addr) {
const auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions,
MemoryState memory_state) {
auto vma = vm_manager
.MapMemoryBlock(segment.addr + base_addr, module_->memory, segment.offset,
segment.size, memory_state)
.Unwrap();
const auto vma = vm_manager
.MapMemoryBlock(segment.addr + base_addr, module_.memory,
segment.offset, segment.size, memory_state)
.Unwrap();
vm_manager.Reprotect(vma, permissions);
};
// Map CodeSet segments
MapSegment(module_->CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
MapSegment(module_->RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
MapSegment(module_->DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
MapSegment(module_.CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
MapSegment(module_.RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
}
ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {

View file

@ -61,26 +61,15 @@ enum class ProcessStatus { Created, Running, Exited };
class ResourceLimit;
struct CodeSet final : public Object {
struct CodeSet final {
struct Segment {
std::size_t offset = 0;
VAddr addr = 0;
u32 size = 0;
};
static SharedPtr<CodeSet> Create(KernelCore& kernel, std::string name);
std::string GetTypeName() const override {
return "CodeSet";
}
std::string GetName() const override {
return name;
}
static const HandleType HANDLE_TYPE = HandleType::CodeSet;
HandleType GetHandleType() const override {
return HANDLE_TYPE;
}
explicit CodeSet();
~CodeSet();
Segment& CodeSegment() {
return segments[0];
@ -109,14 +98,7 @@ struct CodeSet final : public Object {
std::shared_ptr<std::vector<u8>> memory;
std::array<Segment, 3> segments;
VAddr entrypoint;
/// Name of the process
std::string name;
private:
explicit CodeSet(KernelCore& kernel);
~CodeSet() override;
VAddr entrypoint = 0;
};
class Process final : public Object {
@ -219,7 +201,7 @@ public:
*/
void PrepareForTermination();
void LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr);
void LoadModule(CodeSet module_, VAddr base_addr);
///////////////////////////////////////////////////////////////////////////////////////////////
// Memory Management