mirror of
https://github.com/skyline-emu/skyline.git
synced 2024-06-02 02:08:44 +02:00
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
// SPDX-License-Identifier: MPL-2.0
|
|
// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
|
|
|
|
#pragma once
|
|
|
|
#include "common.h"
|
|
#include <sys/wait.h>
|
|
|
|
namespace skyline::nce {
|
|
/**
|
|
* @brief The NCE (Native Code Execution) class is responsible for managing state relevant to the layer between the host and guest
|
|
*/
|
|
class NCE {
|
|
private:
|
|
const DeviceState &state;
|
|
|
|
static void SvcHandler(u16 svc, ThreadContext *ctx);
|
|
|
|
public:
|
|
static void SignalHandler(int signal, siginfo *info, ucontext *context, void *oldTls);
|
|
|
|
NCE(const DeviceState &state);
|
|
|
|
struct PatchData {
|
|
size_t size; //!< Size of the .patch section
|
|
std::vector<size_t> offsets; //!< Offsets in .text of instructions that need to be patched
|
|
};
|
|
|
|
static PatchData GetPatchData(const std::vector<u8> &text);
|
|
|
|
/**
|
|
* @brief Writes the .patch section and mutates the code accordingly
|
|
* @param patch A pointer to the .patch section which should be exactly patchSize in size and located before the .text section
|
|
*/
|
|
static void PatchCode(std::vector<u8> &text, u32 *patch, size_t patchSize, const std::vector<size_t> &offsets);
|
|
};
|
|
}
|