42 lines
967 B
C++
42 lines
967 B
C++
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
// Forward decl due to cyclic dependency.
|
|
class Process;
|
|
|
|
class Thread {
|
|
public:
|
|
static Thread* RootThread(Process* root_proc);
|
|
|
|
explicit Thread(Process* proc, uint64_t tid, uint64_t elf_ptr);
|
|
|
|
uint64_t tid() { return id_; };
|
|
uint64_t pid();
|
|
|
|
Process& process() { return *process_; }
|
|
|
|
uint64_t* Rsp0Ptr() { return &rsp0_; }
|
|
uint64_t Rsp0Start() { return rsp0_start_; }
|
|
|
|
// Called the first time the thread starts up.
|
|
void Init();
|
|
|
|
// FIXME: Probably make this private.
|
|
Thread* next_thread_;
|
|
|
|
private:
|
|
// Special constructor for the root thread only.
|
|
Thread(Process* proc) : process_(proc), id_(0) {}
|
|
Process* process_;
|
|
uint64_t id_;
|
|
|
|
uint64_t elf_ptr_;
|
|
|
|
// Stack pointer to take on resume.
|
|
// Stack will contain the full thread context.
|
|
uint64_t rsp0_;
|
|
// Stack pointer to take when returning from userspace.
|
|
// I don't think me mind clobbering the stack here.
|
|
uint64_t rsp0_start_;
|
|
};
|