使用 memory_ 取代 loaded_

inject/elf.cpp

@@ -10,7 +10,7 @@
 
 Elf::~Elf()
 {
-    if (loaded_)
+    if (memory_)
         munmap(memory_, memory_length_);
 }
 
@@ -21,7 +21,7 @@ void Elf::set_base(unsigned long base)
 
 std::size_t Elf::find_symbol_address_by_name(std::string_view name)
 {
-    if (!loaded_)
+    if (!memory_)
         load_to_memory();
 
     for (auto i = 0; i != ehdr_->e_shnum; ++i)
@@ -66,5 +66,4 @@ void Elf::load_to_memory()
     close(fd);
     ehdr_ = reinterpret_cast<Elf64_Ehdr *>(memory_);
     shdr_ = reinterpret_cast<Elf64_Shdr *>(memory_ + ehdr_->e_shoff);
-    loaded_ = true;
 }

inject/elf.h

@@ -17,7 +17,6 @@ public:
 private:
     std::string path_;
     unsigned long base_ = 0;
-    bool loaded_ = false;
     std::size_t memory_length_ = 0;
     unsigned char *memory_ = nullptr;
     Elf64_Ehdr *ehdr_ = nullptr;