lsplant.hpp

Go to the documentation of this file.

#pragma once
 
#include <jni.h>
 
#include <cstdint>
#include <functional>
#include <span>
#include <string_view>
 
namespace lsplant {
 
inline namespace v2 {
struct InitInfo {
    using InlineHookFunType = std::function<void *(void *target, void *hooker)>;
    using InlineUnhookFunType = std::function<bool(void *func)>;
    using ArtSymbolResolver = std::function<void *(std::string_view symbol_name)>;
 
    using ArtSymbolPrefixResolver = std::function<void *(std::string_view symbol_prefix)>;
 
    using MemoryAllocator = std::function<void *(std::span<const uint8_t> data)>;
    using MemoryRecycler = std::function<void(void *memory)>;
 
    InlineHookFunType inline_hooker;
    InlineUnhookFunType inline_unhooker;
    ArtSymbolResolver art_symbol_resolver;
    ArtSymbolPrefixResolver art_symbol_prefix_resolver;
 
    std::string_view generated_class_name = "LSPHooker_";
    std::string_view generated_source_name = "LSP";
    std::string_view generated_field_name = "hooker";
    std::string_view generated_method_name = "{target}";
 
    MemoryAllocator executable_memory_allocator;
    MemoryRecycler executable_memory_recycler;
};
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] bool Init(JNIEnv *env,
                                                                  const InitInfo &info);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] jobject Hook(JNIEnv *env,
                                                                     jobject target_method,
                                                                     jobject hooker_object,
                                                                     jobject callback_method);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] bool UnHook(JNIEnv *env,
                                                                    jobject target_method);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] bool IsHooked(JNIEnv *env, jobject method);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] bool Deoptimize(JNIEnv *env,
                                                                        jobject method);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] void *GetNativeFunction(JNIEnv *env,
                                                                                jobject method);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] bool MakeClassInheritable(JNIEnv *env,
                                                                                  jclass target);
 
[[nodiscard, maybe_unused, gnu::visibility("default")]] bool MakeDexFileTrusted(JNIEnv *env,
                                                                                jobject cookie);
}  // namespace v2
}  // namespace lsplant