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UPX_F_MACH_i386 and skeleton stub. (Much of PackMachI386 is incomplete.)

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This commit is contained in:
John Reiser
2007-02-02 13:51:51 -08:00
parent 8b1cc28783
commit 2132a28a17
11 changed files with 3995 additions and 9 deletions
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src/p_mach.h
+67 -8
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@@ -48,6 +48,7 @@ struct Mach_fat_arch {
/*************************************************************************
// Mach Mach Object executable; all structures are target-endian
// 'otool' is the Mach analog of 'readelf' (convert executable file to ASCII).
**************************************************************************/
namespace N_Mach {
@@ -165,10 +166,6 @@ struct Mach_ppc_thread_state
}
__attribute_packed;
} // namespace N_Mach
namespace N_Mach32 {
template <class TMachITypes>
struct Mach_i386_thread_state
{
@@ -183,6 +180,23 @@ struct Mach_i386_thread_state
}
__attribute_packed;
template <class TMachITypes>
struct Mach_i386_new_thread_state
{
typedef typename TMachITypes::Word Word;
Word gs, fs, es, ds;
Word edi, esi, ebp, esp;
Word ebx, edx, ecx, eax;
Word eip, cs, efl;
Word uesp, ss;
}
__attribute_packed;
} // namespace N_Mach
namespace N_Mach32 {
} // namespace N_Mach32
namespace N_Mach64 {
@@ -230,6 +244,7 @@ struct MachClass_32
typedef N_Mach::Mach_segment_command<MachITypes> Mach_segment_command;
typedef N_Mach::Mach_section_command<MachITypes> Mach_section_command;
typedef N_Mach::Mach_ppc_thread_state<MachITypes> Mach_ppc_thread_state;
typedef N_Mach::Mach_i386_thread_state<MachITypes> Mach_i386_thread_state;
};
template <class TP>
@@ -262,6 +277,7 @@ typedef N_Mach::MachClass_64<N_BELE_CTP::LEPolicy> MachClass_LE64;
typedef MachClass_Host32::Mach_segment_command Mach32_segment_command;
typedef MachClass_Host32::Mach_section_command Mach32_section_command;
typedef MachClass_Host32::Mach_ppc_thread_state Mach_ppc_thread_state;
typedef MachClass_Host32::Mach_i386_thread_state Mach_i386_thread_state;
typedef MachClass_Host64::Mach_segment_command Mach64_segment_command;
typedef MachClass_Host64::Mach_section_command Mach64_section_command;
@@ -300,7 +316,7 @@ protected:
typedef typename MachClass::Mach_section_command Mach_section_command;
public:
PackMachBase(InputFile *f, unsigned, unsigned, unsigned);
PackMachBase(InputFile *, unsigned t_flavor, unsigned ts_word_cnt, unsigned tc_size);
virtual ~PackMachBase();
virtual int getVersion() const { return 13; }
@@ -317,7 +333,6 @@ public:
virtual unsigned find_SEGMENT_gap(unsigned const k);
protected:
virtual Linker* newLinker() const;
virtual void patchLoader();
virtual void patchLoaderChecksum();
virtual void updateLoader(OutputFile *);
@@ -354,12 +369,21 @@ class PackMachPPC32 : public PackMachBase<MachClass_BE32>
typedef PackMachBase<MachClass_BE32> super;
public:
PackMachPPC32(InputFile *f) : super(f, Mach_thread_command::PPC_THREAD_STATE,
PackMachPPC32::PackMachPPC32(InputFile *f) : super(f,
Mach_thread_command::PPC_THREAD_STATE,
sizeof(Mach_ppc_thread_state)>>2, sizeof(threado)) { }
virtual ~PackMachPPC32();
virtual int getFormat() const { return UPX_F_MACH_PPC32; }
virtual const char *getName() const { return "Mach/ppc32"; }
virtual const char *getFullName(const options_t *) const { return "powerpc-darwin.macho"; }
virtual acc_uint64l_t get_native64(const void *b) const { return get_be64(b); }
virtual unsigned get_native32(const void *b) const { return get_be32(b); }
virtual unsigned get_native16(const void *b) const { return get_be16(b); }
virtual void set_native64(void *b, acc_uint64l_t v) const { set_be64(b, v); }
virtual void set_native32(void *b, unsigned v) const { set_be32(b, v); }
virtual void set_native16(void *b, unsigned v) const { set_be16(b, v); }
protected:
virtual const int *getCompressionMethods(int method, int level) const;
virtual const int *getFilters() const;
@@ -383,6 +407,41 @@ protected:
__attribute_packed;
};
class PackMachI386 : public PackMachBase<MachClass_LE32>
{
typedef PackMachBase<MachClass_LE32> super;
public:
PackMachI386(InputFile *f) : super(f,
(unsigned)Mach_thread_command::i386_THREAD_STATE,
sizeof(Mach_i386_thread_state)>>2, sizeof(threado)) { }
virtual int getFormat() const { return UPX_F_MACH_i386; }
virtual const char *getName() const { return "Mach/i386"; }
virtual const char *getFullName(const options_t *) const { return "i386-darwin.macho"; }
protected:
virtual const int *getCompressionMethods(int method, int level) const;
virtual const int *getFilters() const;
virtual void pack1_setup_threado(OutputFile *const fo);
virtual void pack3(OutputFile *, Filter &); // append loader
virtual void pack4(OutputFile *, Filter &); // append PackHeader
virtual Linker* newLinker() const;
virtual void buildLoader(const Filter *ft);
struct Mach_thread_command
{
LE32 cmd; /* LC_THREAD or LC_UNIXTHREAD */
LE32 cmdsize; /* total size of this command */
LE32 flavor;
LE32 count; /* sizeof(following_thread_state)/4 */
Mach_i386_thread_state state;
#define WANT_MACH_THREAD_ENUM
#include "p_mach_enum.h"
} threado
__attribute_packed;
};
#endif /* already included */