RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 23:17:45 +00:00
Code Issues Activity Actions

Kernel/AK: Move ELF loader to AK

Browse source 
This is in preparation for eventually using it in userspace.
LinearAddress.h has not been moved for the time being (as it seems to be
only used by a very small part of the code).
This commit is contained in:
Robin Burchell 2019-05-23 16:42:13 +02:00 • committed by Andreas Kling
parent 5b3c4afff2
commit 6917c42140
8 changed files with 13 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

55
AK/ELF/ELFLoader.h Normal file
View file

@ -0,0 +1,55 @@
#pragma once
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
#if defined(KERNEL)
#include <Kernel/LinearAddress.h>
#endif
#include <AK/ELF/ELFImage.h>
class ELFLoader {
public:
explicit ELFLoader(const byte*);
~ELFLoader();
bool load();
#if defined(KERNEL)
Function<void*(LinearAddress, size_t, size_t, bool, bool, const String&)> alloc_section_hook;
Function<void*(LinearAddress, size_t, size_t, size_t, bool, bool, const String&)> map_section_hook;
LinearAddress entry() const { return m_image.entry(); }
#endif
char* symbol_ptr(const char* name);
bool has_symbols() const { return m_image.symbol_count(); }
String symbolicate(dword address) const;
private:
bool layout();
bool perform_relocations();
void* lookup(const ELFImage::Symbol&);
char* area_for_section(const ELFImage::Section&);
char* area_for_section_name(const char*);
struct PtrAndSize {
PtrAndSize() { }
PtrAndSize(char* p, unsigned s)
: ptr(p)
, size(s)
{
}
char* ptr { nullptr };
unsigned size { 0 };
};
ELFImage m_image;
struct SortedSymbol {
dword address;
const char* name;
};
mutable Vector<SortedSymbol> m_sorted_symbols;
};