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Kernel+LibELF: Add support for validating and loading ELF64 executables

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This commit is contained in:
Gunnar Beutner 2021-06-28 17:24:08 +02:00 • committed by Andreas Kling
parent e35b060501
commit 158355e0d7
13 changed files with 109 additions and 78 deletions
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20
Userland/Libraries/LibELF/Image.h
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@ -40,7 +40,7 @@ public:
class Symbol {
public:
Symbol(const Image& image, unsigned index, const Elf32_Sym& sym)
Symbol(const Image& image, unsigned index, const ElfW(Sym) & sym)
: m_image(image)
, m_sym(sym)
, m_index(index)
@ -62,7 +62,7 @@ public:
private:
const Image& m_image;
const Elf32_Sym& m_sym;
const ElfW(Sym) & m_sym;
const unsigned m_index;
};
@ -88,11 +88,11 @@ public:
bool is_writable() const { return flags() & PF_W; }
bool is_executable() const { return flags() & PF_X; }
const char* raw_data() const { return m_image.raw_data(m_program_header.p_offset); }
Elf32_Phdr raw_header() const { return m_program_header; }
ElfW(Phdr) raw_header() const { return m_program_header; }
private:
const Image& m_image;
const Elf32_Phdr& m_program_header;
const ElfW(Phdr) & m_program_header;
unsigned m_program_header_index { 0 };
};
@ -123,7 +123,7 @@ public:
protected:
friend class RelocationSection;
const Image& m_image;
const Elf32_Shdr& m_section_header;
const ElfW(Shdr) & m_section_header;
unsigned m_section_index;
};
@ -142,7 +142,7 @@ public:
class Relocation {
public:
Relocation(const Image& image, const Elf32_Rel& rel)
Relocation(const Image& image, const ElfW(Rel) & rel)
: m_image(image)
, m_rel(rel)
{
@ -157,7 +157,7 @@ public:
private:
const Image& m_image;
const Elf32_Rel& m_rel;
const ElfW(Rel) & m_rel;
};
unsigned symbol_count() const;
@ -207,9 +207,9 @@ public:
private:
const char* raw_data(unsigned offset) const;
const Elf32_Ehdr& header() const;
const Elf32_Shdr& section_header(unsigned) const;
const Elf32_Phdr& program_header_internal(unsigned) const;
const ElfW(Ehdr) & header() const;
const ElfW(Shdr) & section_header(unsigned) const;
const ElfW(Phdr) & program_header_internal(unsigned) const;
StringView table_string(unsigned offset) const;
StringView section_header_table_string(unsigned offset) const;
StringView section_index_to_string(unsigned index) const;