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Introduce ElfClass and PackVmlinuxBase for refactoring elf based packers.

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This commit is contained in:
Markus F.X.J. Oberhumer
2006-12-19 00:37:35 +01:00
parent 11e863545f
commit 728e6d851e
5 changed files with 88 additions and 72 deletions
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src/p_vmlinx.h
+40 -44
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@@ -31,15 +31,45 @@
#include "p_elf.h"
/*************************************************************************
// vmlinx/i386 (bare binary Linux kernel image)
**************************************************************************/
class PackVmlinuxI386 : public Packer
template <class TElfClass>
class PackVmlinuxBase : public Packer
{
typedef Packer super;
protected:
typedef typename TElfClass::Ehdr Ehdr;
typedef typename TElfClass::Shdr Shdr;
typedef typename TElfClass::Phdr Phdr;
public:
PackVmlinuxI386(InputFile *f);
PackVmlinuxBase(InputFile *f) :
super(f), n_ptload(0), phdri(NULL), shdri(NULL), shstrtab(NULL)
{
bele = N_BELE_CTP::getRTP<typename TElfClass::BeLePolicy>();
}
protected:
int n_ptload;
unsigned sz_ptload;
Phdr *phdri; // from input file
Shdr *shdri; // from input file
char *shstrtab; // from input file
Shdr *p_text;
Shdr *p_note0;
Shdr *p_note1;
Ehdr ehdri; // from input file
};
class PackVmlinuxI386 : public PackVmlinuxBase<ElfClass_LE32>
{
typedef PackVmlinuxBase<ElfClass_LE32> super;
public:
PackVmlinuxI386(InputFile *f) : super(f) { }
virtual ~PackVmlinuxI386();
virtual int getVersion() const { return 13; }
virtual int getFormat() const { return UPX_F_VMLINUX_i386; }
@@ -59,25 +89,14 @@ protected:
virtual Elf_LE32_Shdr const *getElfSections();
virtual void buildLoader(const Filter *ft);
virtual Linker* newLinker() const;
// virtual const upx_byte *getLoader() const;
// virtual int getLoaderSize() const;
int n_ptload;
unsigned sz_ptload;
Elf_LE32_Phdr *phdri; // from input file
Elf_LE32_Shdr *shdri; // from input file
char *shstrtab; // from input file
Elf_LE32_Shdr *p_text;
Elf_LE32_Shdr *p_note0;
Elf_LE32_Shdr *p_note1;
Elf_LE32_Ehdr ehdri; // from input file
};
class PackVmlinuxARM : public Packer
class PackVmlinuxARM : public PackVmlinuxBase<ElfClass_LE32>
{
typedef Packer super;
typedef PackVmlinuxBase<ElfClass_LE32> super;
public:
PackVmlinuxARM(InputFile *f);
PackVmlinuxARM(InputFile *f) : super(f) { }
virtual ~PackVmlinuxARM();
virtual int getVersion() const { return 13; }
virtual int getFormat() const { return UPX_F_VMLINUX_ARM; }
@@ -97,25 +116,14 @@ protected:
virtual Elf_LE32_Shdr const *getElfSections();
virtual void buildLoader(const Filter *ft);
virtual Linker* newLinker() const;
// virtual const upx_byte *getLoader() const;
// virtual int getLoaderSize() const;
int n_ptload;
unsigned sz_ptload;
Elf_LE32_Phdr *phdri; // from input file
Elf_LE32_Shdr *shdri; // from input file
char *shstrtab; // from input file
Elf_LE32_Shdr *p_text;
Elf_LE32_Shdr *p_note0;
Elf_LE32_Shdr *p_note1;
Elf_LE32_Ehdr ehdri; // from input file
};
class PackVmlinuxAMD64 : public Packer
class PackVmlinuxAMD64 : public PackVmlinuxBase<ElfClass_LE64>
{
typedef Packer super;
typedef PackVmlinuxBase<ElfClass_LE64> super;
public:
PackVmlinuxAMD64(InputFile *f);
PackVmlinuxAMD64(InputFile *f) : super(f) { }
virtual ~PackVmlinuxAMD64();
virtual int getVersion() const { return 13; }
virtual int getFormat() const { return UPX_F_VMLINUX_AMD64; }
@@ -135,18 +143,6 @@ protected:
virtual Elf_LE64_Shdr const *getElfSections();
virtual void buildLoader(const Filter *ft);
virtual Linker* newLinker() const;
// virtual const upx_byte *getLoader() const;
// virtual int getLoaderSize() const;
int n_ptload;
unsigned sz_ptload;
Elf_LE64_Phdr *phdri; // from input file
Elf_LE64_Shdr *shdri; // from input file
char *shstrtab; // from input file
Elf_LE64_Shdr *p_text;
Elf_LE64_Shdr *p_note0;
Elf_LE64_Shdr *p_note1;
Elf_LE64_Ehdr ehdri; // from input file
};