added full support for 64-bit relocations

This commit is contained in:
László Molnár
2013-08-22 21:43:11 +02:00
parent 893f26ac9a
commit 037c29d24a
2 changed files with 52 additions and 50 deletions
+18 -17
View File
@@ -40,6 +40,7 @@ class ElfLinker : private noncopyable
public:
const N_BELE_RTP::AbstractPolicy *bele; // target endianness
protected:
typedef acc_uint64l_t u64;
struct Section;
struct Symbol;
struct Relocation;
@@ -74,7 +75,7 @@ protected:
Symbol *addSymbol(const char *name, const char *section, unsigned offset);
Relocation *addRelocation(const char *section, unsigned off, const char *type,
const char *symbol, unsigned add);
const char *symbol, u64 add);
public:
ElfLinker();
@@ -93,7 +94,7 @@ public:
virtual int getSection(const char *sname, int *slen=NULL) const;
virtual int getSectionSize(const char *sname) const;
virtual upx_byte *getLoader(int *llen=NULL) const;
virtual void defineSymbol(const char *name, unsigned value);
virtual void defineSymbol(const char *name, u64 value);
virtual unsigned getSymbolOffset(const char *) const;
virtual void dumpSymbol(const Symbol *, unsigned flags, FILE *fp) const;
@@ -106,15 +107,15 @@ public:
protected:
virtual void relocate();
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
// target endianness abstraction
unsigned get_te16(const void *p) const { return bele->get16(p); }
unsigned get_te32(const void *p) const { return bele->get32(p); }
acc_uint64l_t get_te64(const void *p) const { return bele->get64(p); }
u64 get_te64(const void *p) const { return bele->get64(p); }
void set_te16(void *p, unsigned v) const { bele->set16(p, v); }
void set_te32(void *p, unsigned v) const { bele->set32(p, v); }
void set_te64(void *p, acc_uint64l_t v) const { bele->set64(p, v); }
void set_te64(void *p, u64 v) const { bele->set64(p, v); }
};
@@ -137,9 +138,9 @@ struct ElfLinker::Symbol : private noncopyable
{
char *name;
Section *section;
unsigned offset;
u64 offset;
Symbol(const char *n, Section *s, unsigned o);
Symbol(const char *n, Section *s, u64 o);
~Symbol();
};
@@ -150,10 +151,10 @@ struct ElfLinker::Relocation : private noncopyable
unsigned offset;
const char *type;
const Symbol *value;
unsigned add; // used in .rela relocations
u64 add; // used in .rela relocations
Relocation(const Section *s, unsigned o, const char *t,
const Symbol *v, unsigned a);
const Symbol *v, u64 a);
};
@@ -167,7 +168,7 @@ class ElfLinkerAMD64 : public ElfLinker
protected:
virtual void alignCode(unsigned len) { alignWithByte(len, 0x90); }
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -178,7 +179,7 @@ public:
ElfLinkerArmBE() { bele = &N_BELE_RTP::be_policy; }
protected:
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -187,7 +188,7 @@ class ElfLinkerArmLE : public ElfLinker
typedef ElfLinker super;
protected:
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -199,7 +200,7 @@ public:
protected:
virtual void alignCode(unsigned len);
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -210,7 +211,7 @@ public:
ElfLinkerMipsBE() { bele = &N_BELE_RTP::be_policy; }
protected:
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -219,7 +220,7 @@ class ElfLinkerMipsLE : public ElfLinker
typedef ElfLinker super;
protected:
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -230,7 +231,7 @@ public:
ElfLinkerPpc32() { bele = &N_BELE_RTP::be_policy; }
protected:
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};
@@ -240,7 +241,7 @@ class ElfLinkerX86 : public ElfLinker
protected:
virtual void alignCode(unsigned len) { alignWithByte(len, 0x90); }
virtual void relocate1(const Relocation *, upx_byte *location,
unsigned value, const char *type);
u64 value, const char *type);
};