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Revert 141376 and 141377 due to breaking the build.

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--- Reverse-merging r141377 into '.':
U    tools/llvm-objdump/MachODump.cpp
--- Reverse-merging r141376 into '.':
U    include/llvm/Object/COFF.h
U    include/llvm/Object/ObjectFile.h
U    include/llvm-c/Object.h
U    tools/llvm-objdump/llvm-objdump.cpp
U    lib/Object/MachOObjectFile.cpp
U    lib/Object/COFFObjectFile.cpp
U    lib/Object/Object.cpp
U    lib/Object/ELFObjectFile.cpp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141379 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2011-10-07 18:25:37 +00:00
parent a1b1b79be1
commit a48ad13339
9 changed files with 206 additions and 563 deletions
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11
include/llvm/Object/COFF.h
View File

@@ -84,8 +84,6 @@ private:
error_code getSection(int32_t index,
const coff_section *&Res) const;
error_code getString(uint32_t offset, StringRef &Res) const;
error_code getSymbol(uint32_t index,
const coff_symbol *&Res) const;
const coff_symbol *toSymb(DataRefImpl Symb) const;
const coff_section *toSec(DataRefImpl Sec) const;
@@ -112,8 +110,6 @@ protected:
virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const;
virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
virtual error_code getRelocationNext(DataRefImpl Rel,
RelocationRef &Res) const;
@@ -123,19 +119,16 @@ protected:
SymbolRef &Res) const;
virtual error_code getRelocationType(DataRefImpl Rel,
uint32_t &Res) const;
virtual error_code getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const;
virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
int64_t &Res) const;
virtual error_code getRelocationValueString(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const;
public:
COFFObjectFile(MemoryBuffer *Object, error_code &ec);
virtual symbol_iterator begin_symbols() const;
virtual symbol_iterator end_symbols() const;
virtual section_iterator begin_sections() const;
virtual section_iterator end_sections() const;
virtual relocation_iterator begin_relocations() const;
virtual relocation_iterator end_relocations() const;
virtual uint8_t getBytesInAddress() const;
virtual StringRef getFileFormatName() const;

119
include/llvm/Object/ObjectFile.h
View File

@@ -27,51 +27,12 @@ namespace object {
class ObjectFile;
union DataRefImpl {
struct {
// ELF needs this for relocations. This entire union should probably be a
// char[max(8, sizeof(uintptr_t))] and require the impl to cast.
uint16_t a, b;
uint32_t c;
} w;
struct {
uint32_t a, b;
} d;
uintptr_t p;
};
template<class content_type>
class content_iterator {
content_type Current;
public:
content_iterator(content_type symb)
: Current(symb) {}
const content_type* operator->() const {
return &Current;
}
const content_type &operator*() const {
return Current;
}
bool operator==(const content_iterator &other) const {
return Current == other.Current;
}
bool operator!=(const content_iterator &other) const {
return !(*this == other);
}
content_iterator& increment(error_code &err) {
content_type next;
if (error_code ec = Current.getNext(next))
err = ec;
else
Current = next;
return *this;
}
};
static bool operator ==(const DataRefImpl &a, const DataRefImpl &b) {
// Check bitwise identical. This is the only legal way to compare a union w/o
// knowing which member is in use.
@@ -121,7 +82,6 @@ public:
/// such as library functions
error_code isGlobal(bool &Result) const;
};
typedef content_iterator<SymbolRef> symbol_iterator;
/// RelocationRef - This is a value type class that represents a single
/// relocation in the list of relocations in the object file.
@@ -143,20 +103,8 @@ public:
error_code getAddress(uint64_t &Result) const;
error_code getSymbol(SymbolRef &Result) const;
error_code getType(uint32_t &Result) const;
/// @brief Get a string that represents the type of this relocation.
///
/// This is for display purposes only.
error_code getTypeName(SmallVectorImpl<char> &Result) const;
error_code getAdditionalInfo(int64_t &Result) const;
/// @brief Get a string that represents the calculation of the value of this
/// relocation.
///
/// This is for display purposes only.
error_code getValueString(SmallVectorImpl<char> &Result) const;
};
typedef content_iterator<RelocationRef> relocation_iterator;
/// SectionRef - This is a value type class that represents a single section in
/// the list of sections in the object file.
@@ -187,11 +135,7 @@ public:
error_code isBSS(bool &Result) const;
error_code containsSymbol(SymbolRef S, bool &Result) const;
relocation_iterator begin_relocations() const;
relocation_iterator end_relocations() const;
};
typedef content_iterator<SectionRef> section_iterator;
const uint64_t UnknownAddressOrSize = ~0ULL;
@@ -241,8 +185,6 @@ protected:
virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const = 0;
virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const = 0;
virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const = 0;
// Same as above for RelocationRef.
@@ -255,14 +197,46 @@ protected:
SymbolRef &Res) const = 0;
virtual error_code getRelocationType(DataRefImpl Rel,
uint32_t &Res) const = 0;
virtual error_code getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const = 0;
virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
int64_t &Res) const = 0;
virtual error_code getRelocationValueString(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const = 0;
public:
template<class content_type>
class content_iterator {
content_type Current;
public:
content_iterator(content_type symb)
: Current(symb) {}
const content_type* operator->() const {
return &Current;
}
const content_type &operator*() const {
return Current;
}
bool operator==(const content_iterator &other) const {
return Current == other.Current;
}
bool operator!=(const content_iterator &other) const {
return !(*this == other);
}
content_iterator& increment(error_code &err) {
content_type next;
if (error_code ec = Current.getNext(next))
err = ec;
else
Current = next;
return *this;
}
};
typedef content_iterator<SymbolRef> symbol_iterator;
typedef content_iterator<SectionRef> section_iterator;
typedef content_iterator<RelocationRef> relocation_iterator;
virtual symbol_iterator begin_symbols() const = 0;
virtual symbol_iterator end_symbols() const = 0;
@@ -270,6 +244,9 @@ public:
virtual section_iterator begin_sections() const = 0;
virtual section_iterator end_sections() const = 0;
virtual relocation_iterator begin_relocations() const = 0;
virtual relocation_iterator end_relocations() const = 0;
/// @brief The number of bytes used to represent an address in this object
/// file format.
virtual uint8_t getBytesInAddress() const = 0;
@@ -389,14 +366,6 @@ inline error_code SectionRef::containsSymbol(SymbolRef S, bool &Result) const {
Result);
}
inline relocation_iterator SectionRef::begin_relocations() const {
return OwningObject->getSectionRelBegin(SectionPimpl);
}
inline relocation_iterator SectionRef::end_relocations() const {
return OwningObject->getSectionRelEnd(SectionPimpl);
}
/// RelocationRef
inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
@@ -424,20 +393,10 @@ inline error_code RelocationRef::getType(uint32_t &Result) const {
return OwningObject->getRelocationType(RelocationPimpl, Result);
}
inline error_code RelocationRef::getTypeName(SmallVectorImpl<char> &Result)
const {
return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
}
inline error_code RelocationRef::getAdditionalInfo(int64_t &Result) const {
return OwningObject->getRelocationAdditionalInfo(RelocationPimpl, Result);
}
inline error_code RelocationRef::getValueString(SmallVectorImpl<char> &Result)
const {
return OwningObject->getRelocationValueString(RelocationPimpl, Result);
}
} // end namespace object
} // end namespace llvm