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authorMichael J. Spencer <bigcheesegs@gmail.com>2013-01-04 20:36:28 +0000
committerMichael J. Spencer <bigcheesegs@gmail.com>2013-01-04 20:36:28 +0000
commit4d9c5397b4a3be747bdb73f1d24c3fdbaaf438fe (patch)
tree4caf73a9a9994c1aa9d6f82f8cf356b760a268ed
parente13f441e002b95bb64d883d173f6aff9615556fd (diff)
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[Object][ELF] Add a maximum alignment. This is used by createELFObjectFile to create a properly aligned reader.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171520 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat
-rw-r--r--include/llvm/Object/ELF.h718
-rw-r--r--lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp100
-rw-r--r--lib/Object/ELFObjectFile.cpp34
-rw-r--r--test/Object/archive-long-index.test (renamed from test/Object/archive-long-index.donttest)0
-rw-r--r--test/Object/simple-archive.test (renamed from test/Object/simple-archive.donttest)0
5 files changed, 466 insertions, 386 deletions
diff --git a/include/llvm/Object/ELF.h b/include/llvm/Object/ELF.h
index fcd77c74ab..38bd73a0f3 100644
--- a/include/llvm/Object/ELF.h
+++ b/include/llvm/Object/ELF.h
@@ -33,6 +33,14 @@
namespace llvm {
namespace object {
+using support::endianness;
+
+template<typename T, std::size_t max_align>
+struct MaximumAlignment {
+ enum {value = AlignOf<T>::Alignment > max_align ? max_align
+ : AlignOf<T>::Alignment};
+};
+
// Subclasses of ELFObjectFile may need this for template instantiation
inline std::pair<unsigned char, unsigned char>
getElfArchType(MemoryBuffer *Object) {
@@ -43,69 +51,78 @@ getElfArchType(MemoryBuffer *Object) {
}
// Templates to choose Elf_Addr and Elf_Off depending on is64Bits.
-template<support::endianness target_endianness>
+template<endianness target_endianness, std::size_t max_alignment>
struct ELFDataTypeTypedefHelperCommon {
typedef support::detail::packed_endian_specific_integral
- <uint16_t, target_endianness, support::aligned> Elf_Half;
+ <uint16_t, target_endianness,
+ MaximumAlignment<uint16_t, max_alignment>::value> Elf_Half;
typedef support::detail::packed_endian_specific_integral
- <uint32_t, target_endianness, support::aligned> Elf_Word;
+ <uint32_t, target_endianness,
+ MaximumAlignment<uint32_t, max_alignment>::value> Elf_Word;
typedef support::detail::packed_endian_specific_integral
- <int32_t, target_endianness, support::aligned> Elf_Sword;
+ <int32_t, target_endianness,
+ MaximumAlignment<int32_t, max_alignment>::value> Elf_Sword;
typedef support::detail::packed_endian_specific_integral
- <uint64_t, target_endianness, support::aligned> Elf_Xword;
+ <uint64_t, target_endianness,
+ MaximumAlignment<uint64_t, max_alignment>::value> Elf_Xword;
typedef support::detail::packed_endian_specific_integral
- <int64_t, target_endianness, support::aligned> Elf_Sxword;
+ <int64_t, target_endianness,
+ MaximumAlignment<int64_t, max_alignment>::value> Elf_Sxword;
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct ELFDataTypeTypedefHelper;
/// ELF 32bit types.
-template<support::endianness target_endianness>
-struct ELFDataTypeTypedefHelper<target_endianness, false>
- : ELFDataTypeTypedefHelperCommon<target_endianness> {
+template<endianness target_endianness, std::size_t max_alignment>
+struct ELFDataTypeTypedefHelper<target_endianness, max_alignment, false>
+ : ELFDataTypeTypedefHelperCommon<target_endianness, max_alignment> {
typedef uint32_t value_type;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Addr;
+ <value_type, target_endianness,
+ MaximumAlignment<value_type, max_alignment>::value> Elf_Addr;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Off;
+ <value_type, target_endianness,
+ MaximumAlignment<value_type, max_alignment>::value> Elf_Off;
};
/// ELF 64bit types.
-template<support::endianness target_endianness>
-struct ELFDataTypeTypedefHelper<target_endianness, true>
- : ELFDataTypeTypedefHelperCommon<target_endianness>{
+template<endianness target_endianness, std::size_t max_alignment>
+struct ELFDataTypeTypedefHelper<target_endianness, max_alignment, true>
+ : ELFDataTypeTypedefHelperCommon<target_endianness, max_alignment>{
typedef uint64_t value_type;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Addr;
+ <value_type, target_endianness,
+ MaximumAlignment<value_type, max_alignment>::value> Elf_Addr;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Off;
+ <value_type, target_endianness,
+ MaximumAlignment<value_type, max_alignment>::value> Elf_Off;
};
// I really don't like doing this, but the alternative is copypasta.
-#define LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Addr Elf_Addr; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Off Elf_Off; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Half Elf_Half; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Word Elf_Word; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Sword Elf_Sword; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Xword Elf_Xword; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Sxword Elf_Sxword;
+#define LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits) \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Addr Elf_Addr; \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Off Elf_Off; \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Half Elf_Half; \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Word Elf_Word; \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Sword Elf_Sword; \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Xword Elf_Xword; \
+typedef typename ELFDataTypeTypedefHelper \
+ <target_endianness, max_alignment, is64Bits>::Elf_Sxword Elf_Sxword;
// Section header.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Shdr_Base;
-template<support::endianness target_endianness>
-struct Elf_Shdr_Base<target_endianness, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Shdr_Base<target_endianness, max_alignment, false> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Word sh_name; // Section name (index into string table)
Elf_Word sh_type; // Section type (SHT_*)
Elf_Word sh_flags; // Section flags (SHF_*)
@@ -118,9 +135,9 @@ struct Elf_Shdr_Base<target_endianness, false> {
Elf_Word sh_entsize; // Size of records contained within the section
};
-template<support::endianness target_endianness>
-struct Elf_Shdr_Base<target_endianness, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Shdr_Base<target_endianness, max_alignment, true> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Word sh_name; // Section name (index into string table)
Elf_Word sh_type; // Section type (SHT_*)
Elf_Xword sh_flags; // Section flags (SHF_*)
@@ -133,10 +150,11 @@ struct Elf_Shdr_Base<target_endianness, true> {
Elf_Xword sh_entsize; // Size of records contained within the section
};
-template<support::endianness target_endianness, bool is64Bits>
-struct Elf_Shdr_Impl : Elf_Shdr_Base<target_endianness, is64Bits> {
- using Elf_Shdr_Base<target_endianness, is64Bits>::sh_entsize;
- using Elf_Shdr_Base<target_endianness, is64Bits>::sh_size;
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+struct Elf_Shdr_Impl
+ : Elf_Shdr_Base<target_endianness, max_alignment, is64Bits> {
+ using Elf_Shdr_Base<target_endianness, max_alignment, is64Bits>::sh_entsize;
+ using Elf_Shdr_Base<target_endianness, max_alignment, is64Bits>::sh_size;
/// @brief Get the number of entities this section contains if it has any.
unsigned getEntityCount() const {
@@ -146,12 +164,14 @@ struct Elf_Shdr_Impl : Elf_Shdr_Base<target_endianness, is64Bits> {
}
};
-template<support::endianness target_endianness, bool is64Bits>
+template< endianness target_endianness
+ , std::size_t max_alignment
+ , bool is64Bits>
struct Elf_Sym_Base;
-template<support::endianness target_endianness>
-struct Elf_Sym_Base<target_endianness, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Sym_Base<target_endianness, max_alignment, false> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Word st_name; // Symbol name (index into string table)
Elf_Addr st_value; // Value or address associated with the symbol
Elf_Word st_size; // Size of the symbol
@@ -160,9 +180,9 @@ struct Elf_Sym_Base<target_endianness, false> {
Elf_Half st_shndx; // Which section (header table index) it's defined in
};
-template<support::endianness target_endianness>
-struct Elf_Sym_Base<target_endianness, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Sym_Base<target_endianness, max_alignment, true> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Word st_name; // Symbol name (index into string table)
unsigned char st_info; // Symbol's type and binding attributes
unsigned char st_other; // Must be zero; reserved
@@ -171,9 +191,10 @@ struct Elf_Sym_Base<target_endianness, true> {
Elf_Xword st_size; // Size of the symbol
};
-template<support::endianness target_endianness, bool is64Bits>
-struct Elf_Sym_Impl : Elf_Sym_Base<target_endianness, is64Bits> {
- using Elf_Sym_Base<target_endianness, is64Bits>::st_info;
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+struct Elf_Sym_Impl
+ : Elf_Sym_Base<target_endianness, max_alignment, is64Bits> {
+ using Elf_Sym_Base<target_endianness, max_alignment, is64Bits>::st_info;
// These accessors and mutators correspond to the ELF32_ST_BIND,
// ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
@@ -188,21 +209,22 @@ struct Elf_Sym_Impl : Elf_Sym_Base<target_endianness, is64Bits> {
/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section
/// (.gnu.version). This structure is identical for ELF32 and ELF64.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Versym_Impl {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN)
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Verdaux_Impl;
/// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section
/// (.gnu.version_d). This structure is identical for ELF32 and ELF64.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Verdef_Impl {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
- typedef Elf_Verdaux_Impl<target_endianness, is64Bits> Elf_Verdaux;
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
+ typedef
+ Elf_Verdaux_Impl<target_endianness, max_alignment, is64Bits> Elf_Verdaux;
Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT)
Elf_Half vd_flags; // Bitwise flags (VER_DEF_*)
Elf_Half vd_ndx; // Version index, used in .gnu.version entries
@@ -219,18 +241,18 @@ struct Elf_Verdef_Impl {
/// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef
/// section (.gnu.version_d). This structure is identical for ELF32 and ELF64.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Verdaux_Impl {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
Elf_Word vda_name; // Version name (offset in string table)
Elf_Word vda_next; // Offset to next Verdaux entry (in bytes)
};
/// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed
/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Verneed_Impl {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT)
Elf_Half vn_cnt; // Number of associated Vernaux entries
Elf_Word vn_file; // Library name (string table offset)
@@ -240,9 +262,9 @@ struct Elf_Verneed_Impl {
/// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed
/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Vernaux_Impl {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
Elf_Word vna_hash; // Hash of dependency name
Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*)
Elf_Half vna_other; // Version index, used in .gnu.version entries
@@ -252,12 +274,12 @@ struct Elf_Vernaux_Impl {
/// Elf_Dyn_Base: This structure matches the form of entries in the dynamic
/// table section (.dynamic) look like.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Dyn_Base;
-template<support::endianness target_endianness>
-struct Elf_Dyn_Base<target_endianness, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Dyn_Base<target_endianness, max_alignment, false> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Sword d_tag;
union {
Elf_Word d_val;
@@ -265,9 +287,9 @@ struct Elf_Dyn_Base<target_endianness, false> {
} d_un;
};
-template<support::endianness target_endianness>
-struct Elf_Dyn_Base<target_endianness, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Dyn_Base<target_endianness, max_alignment, true> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Sxword d_tag;
union {
Elf_Xword d_val;
@@ -276,24 +298,24 @@ struct Elf_Dyn_Base<target_endianness, true> {
};
/// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters.
-template<support::endianness target_endianness, bool is64Bits>
-struct Elf_Dyn_Impl : Elf_Dyn_Base<target_endianness, is64Bits> {
- using Elf_Dyn_Base<target_endianness, is64Bits>::d_tag;
- using Elf_Dyn_Base<target_endianness, is64Bits>::d_un;
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+struct Elf_Dyn_Impl : Elf_Dyn_Base<target_endianness, max_alignment, is64Bits> {
+ using Elf_Dyn_Base<target_endianness, max_alignment, is64Bits>::d_tag;
+ using Elf_Dyn_Base<target_endianness, max_alignment, is64Bits>::d_un;
int64_t getTag() const { return d_tag; }
uint64_t getVal() const { return d_un.d_val; }
uint64_t getPtr() const { return d_un.ptr; }
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
class ELFObjectFile;
// DynRefImpl: Reference to an entry in the dynamic table
// This is an ELF-specific interface.
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
class DynRefImpl {
- typedef Elf_Dyn_Impl<target_endianness, is64Bits> Elf_Dyn;
- typedef ELFObjectFile<target_endianness, is64Bits> OwningType;
+ typedef Elf_Dyn_Impl<target_endianness, max_alignment, is64Bits> Elf_Dyn;
+ typedef ELFObjectFile<target_endianness, max_alignment, is64Bits> OwningType;
DataRefImpl DynPimpl;
const OwningType *OwningObject;
@@ -315,47 +337,53 @@ public:
};
// Elf_Rel: Elf Relocation
-template<support::endianness target_endianness, bool is64Bits, bool isRela>
+template< endianness target_endianness
+ , std::size_t max_alignment
+ , bool is64Bits
+ , bool isRela>
struct Elf_Rel_Base;
-template<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, false, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Rel_Base<target_endianness, max_alignment, false, false> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Word r_info; // Symbol table index and type of relocation to apply
};
-template<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, true, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Rel_Base<target_endianness, max_alignment, true, false> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Xword r_info; // Symbol table index and type of relocation to apply
};
-template<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, false, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Rel_Base<target_endianness, max_alignment, false, true> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Word r_info; // Symbol table index and type of relocation to apply
Elf_Sword r_addend; // Compute value for relocatable field by adding this
};
-template<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, true, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Rel_Base<target_endianness, max_alignment, true, true> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Xword r_info; // Symbol table index and type of relocation to apply
Elf_Sxword r_addend; // Compute value for relocatable field by adding this.
};
-template<support::endianness target_endianness, bool is64Bits, bool isRela>
+template< endianness target_endianness
+ , std::size_t max_alignment
+ , bool is64Bits
+ , bool isRela>
struct Elf_Rel_Impl;
-template<support::endianness target_endianness, bool isRela>
-struct Elf_Rel_Impl<target_endianness, true, isRela>
- : Elf_Rel_Base<target_endianness, true, isRela> {
- using Elf_Rel_Base<target_endianness, true, isRela>::r_info;
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment, bool isRela>
+struct Elf_Rel_Impl<target_endianness, max_alignment, true, isRela>
+ : Elf_Rel_Base<target_endianness, max_alignment, true, isRela> {
+ using Elf_Rel_Base<target_endianness, max_alignment, true, isRela>::r_info;
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
// These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
// and ELF64_R_INFO macros defined in the ELF specification:
@@ -370,11 +398,11 @@ struct Elf_Rel_Impl<target_endianness, true, isRela>
}
};
-template<support::endianness target_endianness, bool isRela>
-struct Elf_Rel_Impl<target_endianness, false, isRela>
- : Elf_Rel_Base<target_endianness, false, isRela> {
- using Elf_Rel_Base<target_endianness, false, isRela>::r_info;
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment, bool isRela>
+struct Elf_Rel_Impl<target_endianness, max_alignment, false, isRela>
+ : Elf_Rel_Base<target_endianness, max_alignment, false, isRela> {
+ using Elf_Rel_Base<target_endianness, max_alignment, false, isRela>::r_info;
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
// These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
// and ELF32_R_INFO macros defined in the ELF specification:
@@ -387,9 +415,9 @@ struct Elf_Rel_Impl<target_endianness, false, isRela>
}
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Ehdr_Impl {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes
Elf_Half e_type; // Type of file (see ET_*)
Elf_Half e_machine; // Required architecture for this file (see EM_*)
@@ -412,15 +440,15 @@ struct Elf_Ehdr_Impl {
unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; }
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
struct Elf_Phdr;
-template<support::endianness target_endianness>
-struct Elf_Phdr<target_endianness, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Phdr<target_endianness, max_alignment, false> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, false)
Elf_Word p_type; // Type of segment
Elf_Off p_offset; // FileOffset where segment is located, in bytes
- Elf_Addr p_vaddr; // Virtual Address of beginning of segment
+ Elf_Addr p_vaddr; // Virtual Address of beginning of segment
Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
@@ -428,35 +456,42 @@ struct Elf_Phdr<target_endianness, false> {
Elf_Word p_align; // Segment alignment constraint
};
-template<support::endianness target_endianness>
-struct Elf_Phdr<target_endianness, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<endianness target_endianness, std::size_t max_alignment>
+struct Elf_Phdr<target_endianness, max_alignment, true> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, true)
Elf_Word p_type; // Type of segment
Elf_Word p_flags; // Segment flags
Elf_Off p_offset; // FileOffset where segment is located, in bytes
- Elf_Addr p_vaddr; // Virtual Address of beginning of segment
+ Elf_Addr p_vaddr; // Virtual Address of beginning of segment
Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
Elf_Word p_align; // Segment alignment constraint
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
class ELFObjectFile : public ObjectFile {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
-
- typedef Elf_Ehdr_Impl<target_endianness, is64Bits> Elf_Ehdr;
- typedef Elf_Shdr_Impl<target_endianness, is64Bits> Elf_Shdr;
- typedef Elf_Sym_Impl<target_endianness, is64Bits> Elf_Sym;
- typedef Elf_Dyn_Impl<target_endianness, is64Bits> Elf_Dyn;
- typedef Elf_Rel_Impl<target_endianness, is64Bits, false> Elf_Rel;
- typedef Elf_Rel_Impl<target_endianness, is64Bits, true> Elf_Rela;
- typedef Elf_Verdef_Impl<target_endianness, is64Bits> Elf_Verdef;
- typedef Elf_Verdaux_Impl<target_endianness, is64Bits> Elf_Verdaux;
- typedef Elf_Verneed_Impl<target_endianness, is64Bits> Elf_Verneed;
- typedef Elf_Vernaux_Impl<target_endianness, is64Bits> Elf_Vernaux;
- typedef Elf_Versym_Impl<target_endianness, is64Bits> Elf_Versym;
- typedef DynRefImpl<target_endianness, is64Bits> DynRef;
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
+
+ typedef Elf_Ehdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Ehdr;
+ typedef Elf_Shdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Shdr;
+ typedef Elf_Sym_Impl<target_endianness, max_alignment, is64Bits> Elf_Sym;
+ typedef Elf_Dyn_Impl<target_endianness, max_alignment, is64Bits> Elf_Dyn;
+ typedef
+ Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, false> Elf_Rel;
+ typedef
+ Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, true> Elf_Rela;
+ typedef
+ Elf_Verdef_Impl<target_endianness, max_alignment, is64Bits> Elf_Verdef;
+ typedef
+ Elf_Verdaux_Impl<target_endianness, max_alignment, is64Bits> Elf_Verdaux;
+ typedef
+ Elf_Verneed_Impl<target_endianness, max_alignment, is64Bits> Elf_Verneed;
+ typedef
+ Elf_Vernaux_Impl<target_endianness, max_alignment, is64Bits> Elf_Vernaux;
+ typedef
+ Elf_Versym_Impl<target_endianness, max_alignment, is64Bits> Elf_Versym;
+ typedef DynRefImpl<target_endianness, max_alignment, is64Bits> DynRef;
typedef content_iterator<DynRef> dyn_iterator;
protected:
@@ -623,7 +658,7 @@ protected:
section_iterator &Res) const;
virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
- friend class DynRefImpl<target_endianness, is64Bits>;
+ friend class DynRefImpl<target_endianness, max_alignment, is64Bits>;
virtual error_code getDynNext(DataRefImpl DynData, DynRef &Result) const;
virtual error_code getLibraryNext(DataRefImpl Data, LibraryRef &Result) const;
@@ -729,8 +764,8 @@ public:
// Iterate through the version definitions, and place each Elf_Verdef
// in the VersionMap according to its index.
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>::
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+void ELFObjectFile<target_endianness, max_alignment, is64Bits>::
LoadVersionDefs(const Elf_Shdr *sec) const {
unsigned vd_size = sec->sh_size; // Size of section in bytes
unsigned vd_count = sec->sh_info; // Number of Verdef entries
@@ -755,8 +790,8 @@ void ELFObjectFile<target_endianness, is64Bits>::
// Iterate through the versions needed section, and place each Elf_Vernaux
// in the VersionMap according to its index.
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>::
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+void ELFObjectFile<target_endianness, max_alignment, is64Bits>::
LoadVersionNeeds(const Elf_Shdr *sec) const {
unsigned vn_size = sec->sh_size; // Size of section in bytes
unsigned vn_count = sec->sh_info; // Number of Verneed entries
@@ -788,8 +823,9 @@ void ELFObjectFile<target_endianness, is64Bits>::
}
}
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>::LoadVersionMap() const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+void ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::LoadVersionMap() const {
// If there is no dynamic symtab or version table, there is nothing to do.
if (SymbolTableSections[0] == NULL || dot_gnu_version_sec == NULL)
return;
@@ -810,8 +846,8 @@ void ELFObjectFile<target_endianness, is64Bits>::LoadVersionMap() const {
LoadVersionNeeds(dot_gnu_version_r_sec);
}
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+void ELFObjectFile<target_endianness, max_alignment, is64Bits>
::validateSymbol(DataRefImpl Symb) const {
const Elf_Sym *symb = getSymbol(Symb);
const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b];
@@ -829,8 +865,8 @@ void ELFObjectFile<target_endianness, is64Bits>
report_fatal_error("Symb must point to a valid symbol!");
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolNext(DataRefImpl Symb,
SymbolRef &Result) const {
validateSymbol(Symb);
@@ -857,8 +893,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolName(DataRefImpl Symb,
StringRef &Result) const {
validateSymbol(Symb);
@@ -866,8 +902,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return getSymbolName(SymbolTableSections[Symb.d.b], symb, Result);
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolVersion(SymbolRef SymRef,
StringRef &Version,
bool &IsDefault) const {
@@ -878,17 +914,18 @@ error_code ELFObjectFile<target_endianness, is64Bits>
Version, IsDefault);
}
-template<support::endianness target_endianness, bool is64Bits>
-ELF::Elf64_Word ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+ELF::Elf64_Word ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolTableIndex(const Elf_Sym *symb) const {
if (symb->st_shndx == ELF::SHN_XINDEX)
return ExtendedSymbolTable.lookup(symb);
return symb->st_shndx;
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Shdr *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSection(const Elf_Sym *symb) const {
if (symb->st_shndx == ELF::SHN_XINDEX)
return getSection(ExtendedSymbolTable.lookup(symb));
@@ -897,24 +934,27 @@ ELFObjectFile<target_endianness, is64Bits>
return getSection(symb->st_shndx);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Shdr *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getElfSection(section_iterator &It) const {
llvm::object::DataRefImpl ShdrRef = It->getRawDataRefImpl();
return reinterpret_cast<const Elf_Shdr *>(ShdrRef.p);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym *
-ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Sym *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getElfSymbol(symbol_iterator &It) const {
return getSymbol(It->getRawDataRefImpl());
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym *
-ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Sym *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getElfSymbol(uint32_t index) const {
DataRefImpl SymbolData;
SymbolData.d.a = index;
@@ -922,8 +962,8 @@ ELFObjectFile<target_endianness, is64Bits>
return getSymbol(SymbolData);
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolFileOffset(DataRefImpl Symb,
uint64_t &Result) const {
validateSymbol(Symb);
@@ -957,8 +997,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
}
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolAddress(DataRefImpl Symb,
uint64_t &Result) const {
validateSymbol(Symb);
@@ -1001,8 +1041,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
}
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolSize(DataRefImpl Symb,
uint64_t &Result) const {
validateSymbol(Symb);
@@ -1013,8 +1053,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolNMTypeChar(DataRefImpl Symb,
char &Result) const {
validateSymbol(Symb);
@@ -1078,8 +1118,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolType(DataRefImpl Symb,
SymbolRef::Type &Result) const {
validateSymbol(Symb);
@@ -1110,8 +1150,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolFlags(DataRefImpl Symb,
uint32_t &Result) const {
validateSymbol(Symb);
@@ -1145,8 +1185,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolSection(DataRefImpl Symb,
section_iterator &Res) const {
validateSymbol(Symb);
@@ -1162,8 +1202,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolValue(DataRefImpl Symb,
uint64_t &Val) const {
validateSymbol(Symb);
@@ -1172,8 +1212,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionNext(DataRefImpl Sec, SectionRef &Result) const {
const uint8_t *sec = reinterpret_cast<const uint8_t *>(Sec.p);
sec += Header->e_shentsize;
@@ -1182,8 +1222,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionName(DataRefImpl Sec,
StringRef &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1191,8 +1231,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionAddress(DataRefImpl Sec,
uint64_t &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1200,8 +1240,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionSize(DataRefImpl Sec,
uint64_t &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1209,8 +1249,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionContents(DataRefImpl Sec,
StringRef &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1219,8 +1259,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionContents(const Elf_Shdr *Sec,
StringRef &Result) const {
const char *start = (const char*)base() + Sec->sh_offset;
@@ -1228,8 +1268,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionAlignment(DataRefImpl Sec,
uint64_t &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1237,8 +1277,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionText(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1249,8 +1289,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionData(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1262,8 +1302,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionBSS(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1275,8 +1315,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionRequiredForExecution(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1287,8 +1327,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionVirtual(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1299,8 +1339,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionZeroInit(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1310,8 +1350,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::isSectionReadOnlyData(DataRefImpl Sec,
bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1322,8 +1362,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
@@ -1332,8 +1372,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-relocation_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+relocation_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionRelBegin(DataRefImpl Sec) const {
DataRefImpl RelData;
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1346,8 +1386,8 @@ relocation_iterator ELFObjectFile<target_endianness, is64Bits>
return relocation_iterator(RelocationRef(RelData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-relocation_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+relocation_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionRelEnd(DataRefImpl Sec) const {
DataRefImpl RelData;
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
@@ -1364,8 +1404,8 @@ relocation_iterator ELFObjectFile<target_endianness, is64Bits>
}
// Relocations
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationNext(DataRefImpl Rel,
RelocationRef &Result) const {
++Rel.w.c;
@@ -1393,8 +1433,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationSymbol(DataRefImpl Rel,
SymbolRef &Result) const {
uint32_t symbolIdx;
@@ -1421,8 +1461,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationAddress(DataRefImpl Rel,
uint64_t &Result) const {
uint64_t offset;
@@ -1444,8 +1484,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationOffset(DataRefImpl Rel,
uint64_t &Result) const {
uint64_t offset;
@@ -1467,8 +1507,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationType(DataRefImpl Rel,
uint64_t &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
@@ -1490,8 +1530,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum) \
case ELF::enum: res = #enum; break;
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
@@ -1832,8 +1872,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationAdditionalInfo(DataRefImpl Rel,
int64_t &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
@@ -1851,8 +1891,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
}
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getRelocationValueString(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
@@ -1922,8 +1962,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
}
// Verify that the last byte in the string table in a null.
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+void ELFObjectFile<target_endianness, max_alignment, is64Bits>
::VerifyStrTab(const Elf_Shdr *sh) const {
const char *strtab = (const char*)base() + sh->sh_offset;
if (strtab[sh->sh_size - 1] != 0)
@@ -1931,9 +1971,9 @@ void ELFObjectFile<target_endianness, is64Bits>
report_fatal_error("String table must end with a null terminator!");
}
-template<support::endianness target_endianness, bool is64Bits>
-ELFObjectFile<target_endianness, is64Bits>::ELFObjectFile(MemoryBuffer *Object
- , error_code &ec)
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::ELFObjectFile(MemoryBuffer *Object, error_code &ec)
: ObjectFile(getELFType(target_endianness == support::little, is64Bits),
Object, ec)
, isDyldELFObject(false)
@@ -2093,8 +2133,8 @@ ELFObjectFile<target_endianness, is64Bits>::ELFObjectFile(MemoryBuffer *Object
}
// Get the symbol table index in the symtab section given a symbol
-template<support::endianness target_endianness, bool is64Bits>
-uint64_t ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+uint64_t ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolIndex(const Elf_Sym *Sym) const {
assert(SymbolTableSections.size() == 1 && "Only one symbol table supported!");
const Elf_Shdr *SymTab = *SymbolTableSections.begin();
@@ -2107,8 +2147,8 @@ uint64_t ELFObjectFile<target_endianness, is64Bits>
return SymOffset / SymTab->sh_entsize;
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+symbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::begin_symbols() const {
DataRefImpl SymbolData;
if (SymbolTableSections.size() <= 1) {
@@ -2121,8 +2161,8 @@ symbol_iterator ELFObjectFile<target_endianness, is64Bits>
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+symbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::end_symbols() const {
DataRefImpl SymbolData;
SymbolData.d.a = std::numeric_limits<uint32_t>::max();
@@ -2130,8 +2170,8 @@ symbol_iterator ELFObjectFile<target_endianness, is64Bits>
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+symbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::begin_dynamic_symbols() const {
DataRefImpl SymbolData;
if (SymbolTableSections[0] == NULL) {
@@ -2144,8 +2184,8 @@ symbol_iterator ELFObjectFile<target_endianness, is64Bits>
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+symbol_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::end_dynamic_symbols() const {
DataRefImpl SymbolData;
SymbolData.d.a = std::numeric_limits<uint32_t>::max();
@@ -2153,16 +2193,16 @@ symbol_iterator ELFObjectFile<target_endianness, is64Bits>
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-section_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+section_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::begin_sections() const {
DataRefImpl ret;
ret.p = reinterpret_cast<intptr_t>(base() + Header->e_shoff);
return section_iterator(SectionRef(ret, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-section_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+section_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::end_sections() const {
DataRefImpl ret;
ret.p = reinterpret_cast<intptr_t>(base()
@@ -2171,9 +2211,10 @@ section_iterator ELFObjectFile<target_endianness, is64Bits>
return section_iterator(SectionRef(ret, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-typename ELFObjectFile<target_endianness, is64Bits>::dyn_iterator
-ELFObjectFile<target_endianness, is64Bits>::begin_dynamic_table() const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+typename ELFObjectFile<target_endianness, max_alignment, is64Bits>::dyn_iterator
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::begin_dynamic_table() const {
DataRefImpl DynData;
if (dot_dynamic_sec == NULL || dot_dynamic_sec->sh_size == 0) {
DynData.d.a = std::numeric_limits<uint32_t>::max();
@@ -2183,17 +2224,17 @@ ELFObjectFile<target_endianness, is64Bits>::begin_dynamic_table() const {
return dyn_iterator(DynRef(DynData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-typename ELFObjectFile<target_endianness, is64Bits>::dyn_iterator
-ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+typename ELFObjectFile<target_endianness, max_alignment, is64Bits>::dyn_iterator
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
::end_dynamic_table() const {
DataRefImpl DynData;
DynData.d.a = std::numeric_limits<uint32_t>::max();
return dyn_iterator(DynRef(DynData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getDynNext(DataRefImpl DynData,
DynRef &Result) const {
++DynData.d.a;
@@ -2208,9 +2249,9 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
StringRef
-ELFObjectFile<target_endianness, is64Bits>::getLoadName() const {
+ELFObjectFile<target_endianness, max_alignment, is64Bits>::getLoadName() const {
if (!dt_soname) {
// Find the DT_SONAME entry
dyn_iterator it = begin_dynamic_table();
@@ -2234,8 +2275,8 @@ ELFObjectFile<target_endianness, is64Bits>::getLoadName() const {
return dt_soname;
}
-template<support::endianness target_endianness, bool is64Bits>
-library_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+library_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::begin_libraries_needed() const {
// Find the first DT_NEEDED entry
dyn_iterator i = begin_dynamic_table();
@@ -2252,8 +2293,8 @@ library_iterator ELFObjectFile<target_endianness, is64Bits>
return library_iterator(LibraryRef(i->getRawDataRefImpl(), this));
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getLibraryNext(DataRefImpl Data,
LibraryRef &Result) const {
// Use the same DataRefImpl format as DynRef.
@@ -2281,8 +2322,8 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getLibraryPath(DataRefImpl Data, StringRef &Res) const {
dyn_iterator i = dyn_iterator(DynRef(Data, this));
if (i == end_dynamic_table())
@@ -2302,21 +2343,22 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-library_iterator ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+library_iterator ELFObjectFile<target_endianness, max_alignment, is64Bits>
::end_libraries_needed() const {
dyn_iterator e = end_dynamic_table();
// Use the same DataRefImpl format as DynRef.
return library_iterator(LibraryRef(e->getRawDataRefImpl(), this));
}
-template<support::endianness target_endianness, bool is64Bits>
-uint8_t ELFObjectFile<target_endianness, is64Bits>::getBytesInAddress() const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+uint8_t ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getBytesInAddress() const {
return is64Bits ? 8 : 4;
}
-template<support::endianness target_endianness, bool is64Bits>
-StringRef ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+StringRef ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getFileFormatName() const {
switch(Header->e_ident[ELF::EI_CLASS]) {
case ELF::ELFCLASS32:
@@ -2349,8 +2391,9 @@ StringRef ELFObjectFile<target_endianness, is64Bits>
}
}
-template<support::endianness target_endianness, bool is64Bits>
-unsigned ELFObjectFile<target_endianness, is64Bits>::getArch() const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+unsigned ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getArch() const {
switch(Header->e_machine) {
case ELF::EM_386:
return Triple::x86;
@@ -2370,8 +2413,9 @@ unsigned ELFObjectFile<target_endianness, is64Bits>::getArch() const {
}
}
-template<support::endianness target_endianness, bool is64Bits>
-uint64_t ELFObjectFile<target_endianness, is64Bits>::getNumSections() const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+uint64_t ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getNumSections() const {
assert(Header && "Header not initialized!");
if (Header->e_shnum == ELF::SHN_UNDEF) {
assert(SectionHeaderTable && "SectionHeaderTable not initialized!");
@@ -2380,9 +2424,10 @@ uint64_t ELFObjectFile<target_endianness, is64Bits>::getNumSections() const {
return Header->e_shnum;
}
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
uint64_t
-ELFObjectFile<target_endianness, is64Bits>::getStringTableIndex() const {
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getStringTableIndex() const {
if (Header->e_shnum == ELF::SHN_UNDEF) {
if (Header->e_shstrndx == ELF::SHN_HIRESERVE)
return SectionHeaderTable->sh_link;
@@ -2392,53 +2437,62 @@ ELFObjectFile<target_endianness, is64Bits>::getStringTableIndex() const {
return Header->e_shstrndx;
}
-
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
template<typename T>
inline const T *
-ELFObjectFile<target_endianness, is64Bits>::getEntry(uint16_t Section,
- uint32_t Entry) const {
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getEntry(uint16_t Section, uint32_t Entry) const {
return getEntry<T>(getSection(Section), Entry);
}
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
template<typename T>
inline const T *
-ELFObjectFile<target_endianness, is64Bits>::getEntry(const Elf_Shdr * Section,
- uint32_t Entry) const {
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getEntry(const Elf_Shdr * Section, uint32_t Entry) const {
return reinterpret_cast<const T *>(
base()
+ Section->sh_offset
+ (Entry * Section->sh_entsize));
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym *
-ELFObjectFile<target_endianness, is64Bits>::getSymbol(DataRefImpl Symb) const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Sym *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getSymbol(DataRefImpl Symb) const {
return getEntry<Elf_Sym>(SymbolTableSections[Symb.d.b], Symb.d.a);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Dyn *
-ELFObjectFile<target_endianness, is64Bits>::getDyn(DataRefImpl DynData) const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Dyn *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getDyn(DataRefImpl DynData) const {
return getEntry<Elf_Dyn>(dot_dynamic_sec, DynData.d.a);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Rel *
-ELFObjectFile<target_endianness, is64Bits>::getRel(DataRefImpl Rel) const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Rel *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getRel(DataRefImpl Rel) const {
return getEntry<Elf_Rel>(Rel.w.b, Rel.w.c);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Rela *
-ELFObjectFile<target_endianness, is64Bits>::getRela(DataRefImpl Rela) const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Rela *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getRela(DataRefImpl Rela) const {
return getEntry<Elf_Rela>(Rela.w.b, Rela.w.c);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>::getSection(DataRefImpl Symb) const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Shdr *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getSection(DataRefImpl Symb) const {
const Elf_Shdr *sec = getSection(Symb.d.b);
if (sec->sh_type != ELF::SHT_SYMTAB || sec->sh_type != ELF::SHT_DYNSYM)
// FIXME: Proper error handling.
@@ -2446,9 +2500,11 @@ ELFObjectFile<target_endianness, is64Bits>::getSection(DataRefImpl Symb) const {
return sec;
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>::getSection(uint32_t index) const {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const typename ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::Elf_Shdr *
+ELFObjectFile<target_endianness, max_alignment, is64Bits>
+ ::getSection(uint32_t index) const {
if (index == 0)
return 0;
if (!SectionHeaderTable || index >= getNumSections())
@@ -2460,15 +2516,15 @@ ELFObjectFile<target_endianness, is64Bits>::getSection(uint32_t index) const {
+ (index * Header->e_shentsize));
}
-template<support::endianness target_endianness, bool is64Bits>
-const char *ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const char *ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getString(uint32_t section,
ELF::Elf32_Word offset) const {
return getString(getSection(section), offset);
}
-template<support::endianness target_endianness, bool is64Bits>
-const char *ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+const char *ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getString(const Elf_Shdr *section,
ELF::Elf32_Word offset) const {
assert(section && section->sh_type == ELF::SHT_STRTAB && "Invalid section!");
@@ -2478,8 +2534,8 @@ const char *ELFObjectFile<target_endianness, is64Bits>
return (const char *)base() + section->sh_offset + offset;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolName(const Elf_Shdr *section,
const Elf_Sym *symb,
StringRef &Result) const {
@@ -2502,16 +2558,16 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSectionName(const Elf_Shdr *section,
StringRef &Result) const {
Result = StringRef(getString(dot_shstrtab_sec, section->sh_name));
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+error_code ELFObjectFile<target_endianness, max_alignment, is64Bits>
::getSymbolVersion(const Elf_Shdr *section,
const Elf_Sym *symb,
StringRef &Version,
@@ -2593,50 +2649,50 @@ error_code ELFObjectFile<target_endianness, is64Bits>
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-inline DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline DynRefImpl<target_endianness, max_alignment, is64Bits>
::DynRefImpl(DataRefImpl DynP, const OwningType *Owner)
: DynPimpl(DynP)
, OwningObject(Owner) {}
-template<support::endianness target_endianness, bool is64Bits>
-inline bool DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline bool DynRefImpl<target_endianness, max_alignment, is64Bits>
::operator==(const DynRefImpl &Other) const {
return DynPimpl == Other.DynPimpl;
}
-template<support::endianness target_endianness, bool is64Bits>
-inline bool DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline bool DynRefImpl<target_endianness, max_alignment, is64Bits>
::operator <(const DynRefImpl &Other) const {
return DynPimpl < Other.DynPimpl;
}
-template<support::endianness target_endianness, bool is64Bits>
-inline error_code DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline error_code DynRefImpl<target_endianness, max_alignment, is64Bits>
::getNext(DynRefImpl &Result) const {
return OwningObject->getDynNext(DynPimpl, Result);
}
-template<support::endianness target_endianness, bool is64Bits>
-inline int64_t DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline int64_t DynRefImpl<target_endianness, max_alignment, is64Bits>
::getTag() const {
return OwningObject->getDyn(DynPimpl)->d_tag;
}
-template<support::endianness target_endianness, bool is64Bits>
-inline uint64_t DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline uint64_t DynRefImpl<target_endianness, max_alignment, is64Bits>
::getVal() const {
return OwningObject->getDyn(DynPimpl)->d_un.d_val;
}
-template<support::endianness target_endianness, bool is64Bits>
-inline uint64_t DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline uint64_t DynRefImpl<target_endianness, max_alignment, is64Bits>
::getPtr() const {
return OwningObject->getDyn(DynPimpl)->d_un.d_ptr;
}
-template<support::endianness target_endianness, bool is64Bits>
-inline DataRefImpl DynRefImpl<target_endianness, is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+inline DataRefImpl DynRefImpl<target_endianness, max_alignment, is64Bits>
::getRawDataRefImpl() const {
return DynPimpl;
}
@@ -2648,23 +2704,23 @@ static inline error_code GetELFSymbolVersion(const ObjectFile *Obj,
StringRef &Version,
bool &IsDefault) {
// Little-endian 32-bit
- if (const ELFObjectFile<support::little, false> *ELFObj =
- dyn_cast<ELFObjectFile<support::little, false> >(Obj))
+ if (const ELFObjectFile<support::little, 4, false> *ELFObj =
+ dyn_cast<ELFObjectFile<support::little, 4, false> >(Obj))
return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
// Big-endian 32-bit
- if (const ELFObjectFile<support::big, false> *ELFObj =
- dyn_cast<ELFObjectFile<support::big, false> >(Obj))
+ if (const ELFObjectFile<support::big, 4, false> *ELFObj =
+ dyn_cast<ELFObjectFile<support::big, 4, false> >(Obj))
return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
// Little-endian 64-bit
- if (const ELFObjectFile<support::little, true> *ELFObj =
- dyn_cast<ELFObjectFile<support::little, true> >(Obj))
+ if (const ELFObjectFile<support::little, 8, true> *ELFObj =
+ dyn_cast<ELFObjectFile<support::little, 8, true> >(Obj))
return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
// Big-endian 64-bit
- if (const ELFObjectFile<support::big, true> *ELFObj =
- dyn_cast<ELFObjectFile<support::big, true> >(Obj))
+ if (const ELFObjectFile<support::big, 8, true> *ELFObj =
+ dyn_cast<ELFObjectFile<support::big, 8, true> >(Obj))
return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
llvm_unreachable("Object passed to GetELFSymbolVersion() is not ELF");
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index efb34df8c5..0a68f4e654 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -28,6 +28,8 @@
using namespace llvm;
using namespace llvm::object;
+using support::endianness;
+
namespace {
static inline
@@ -38,19 +40,22 @@ error_code check(error_code Err) {
return Err;
}
-template<support::endianness target_endianness, bool is64Bits>
-class DyldELFObject : public ELFObjectFile<target_endianness, is64Bits> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+class DyldELFObject
+ : public ELFObjectFile<target_endianness, max_alignment, is64Bits> {
+ LLVM_ELF_IMPORT_TYPES(target_endianness, max_alignment, is64Bits)
- typedef Elf_Shdr_Impl<target_endianness, is64Bits> Elf_Shdr;
- typedef Elf_Sym_Impl<target_endianness, is64Bits> Elf_Sym;
- typedef Elf_Rel_Impl<target_endianness, is64Bits, false> Elf_Rel;
- typedef Elf_Rel_Impl<target_endianness, is64Bits, true> Elf_Rela;
+ typedef Elf_Shdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Shdr;
+ typedef Elf_Sym_Impl<target_endianness, max_alignment, is64Bits> Elf_Sym;
+ typedef
+ Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, false> Elf_Rel;
+ typedef
+ Elf_Rel_Impl<target_endianness, max_alignment, is64Bits, true> Elf_Rela;
- typedef Elf_Ehdr_Impl<target_endianness, is64Bits> Elf_Ehdr;
+ typedef Elf_Ehdr_Impl<target_endianness, max_alignment, is64Bits> Elf_Ehdr;
typedef typename ELFDataTypeTypedefHelper<
- target_endianness, is64Bits>::value_type addr_type;
+ target_endianness, max_alignment, is64Bits>::value_type addr_type;
public:
DyldELFObject(MemoryBuffer *Wrapper, error_code &ec);
@@ -60,24 +65,25 @@ public:
// Methods for type inquiry through isa, cast and dyn_cast
static inline bool classof(const Binary *v) {
- return (isa<ELFObjectFile<target_endianness, is64Bits> >(v)
- && classof(cast<ELFObjectFile<target_endianness, is64Bits> >(v)));
+ return (isa<ELFObjectFile<target_endianness, max_alignment, is64Bits> >(v)
+ && classof(cast<ELFObjectFile
+ <target_endianness, max_alignment, is64Bits> >(v)));
}
static inline bool classof(
- const ELFObjectFile<target_endianness, is64Bits> *v) {
+ const ELFObjectFile<target_endianness, max_alignment, is64Bits> *v) {
return v->isDyldType();
}
};
-template<support::endianness target_endianness, bool is64Bits>
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
class ELFObjectImage : public ObjectImageCommon {
protected:
- DyldELFObject<target_endianness, is64Bits> *DyldObj;
+ DyldELFObject<target_endianness, max_alignment, is64Bits> *DyldObj;
bool Registered;
public:
ELFObjectImage(ObjectBuffer *Input,
- DyldELFObject<target_endianness, is64Bits> *Obj)
+ DyldELFObject<target_endianness, max_alignment, is64Bits> *Obj)
: ObjectImageCommon(Input, Obj),
DyldObj(Obj),
Registered(false) {}
@@ -113,17 +119,16 @@ class ELFObjectImage : public ObjectImageCommon {
// The MemoryBuffer passed into this constructor is just a wrapper around the
// actual memory. Ultimately, the Binary parent class will take ownership of
// this MemoryBuffer object but not the underlying memory.
-template<support::endianness target_endianness, bool is64Bits>
-DyldELFObject<target_endianness, is64Bits>::DyldELFObject(MemoryBuffer *Wrapper,
- error_code &ec)
- : ELFObjectFile<target_endianness, is64Bits>(Wrapper, ec) {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+DyldELFObject<target_endianness, max_alignment, is64Bits>
+ ::DyldELFObject(MemoryBuffer *Wrapper, error_code &ec)
+ : ELFObjectFile<target_endianness, max_alignment, is64Bits>(Wrapper, ec) {
this->isDyldELFObject = true;
}
-template<support::endianness target_endianness, bool is64Bits>
-void DyldELFObject<target_endianness, is64Bits>::updateSectionAddress(
- const SectionRef &Sec,
- uint64_t Addr) {
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+void DyldELFObject<target_endianness, max_alignment, is64Bits>
+ ::updateSectionAddress(const SectionRef &Sec, uint64_t Addr) {
DataRefImpl ShdrRef = Sec.getRawDataRefImpl();
Elf_Shdr *shdr = const_cast<Elf_Shdr*>(
reinterpret_cast<const Elf_Shdr *>(ShdrRef.p));
@@ -133,14 +138,13 @@ void DyldELFObject<target_endianness, is64Bits>::updateSectionAddress(
shdr->sh_addr = static_cast<addr_type>(Addr);
}
-template<support::endianness target_endianness, bool is64Bits>
-void DyldELFObject<target_endianness, is64Bits>::updateSymbolAddress(
- const SymbolRef &SymRef,
- uint64_t Addr) {
+template<endianness target_endianness, std::size_t max_align, bool is64Bits>
+void DyldELFObject<target_endianness, max_align, is64Bits>
+ ::updateSymbolAddress(const SymbolRef &SymRef, uint64_t Addr){
Elf_Sym *sym = const_cast<Elf_Sym*>(
- ELFObjectFile<target_endianness, is64Bits>::
- getSymbol(SymRef.getRawDataRefImpl()));
+ ELFObjectFile<target_endianness, max_align, is64Bits>
+ ::getSymbol(SymRef.getRawDataRefImpl()));
// This assumes the address passed in matches the target address bitness
// The template-based type cast handles everything else.
@@ -149,7 +153,6 @@ void DyldELFObject<target_endianness, is64Bits>::updateSymbolAddress(
} // namespace
-
namespace llvm {
ObjectImage *RuntimeDyldELF::createObjectImage(ObjectBuffer *Buffer) {
@@ -161,24 +164,24 @@ ObjectImage *RuntimeDyldELF::createObjectImage(ObjectBuffer *Buffer) {
error_code ec;
if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB) {
- DyldELFObject<support::little, false> *Obj =
- new DyldELFObject<support::little, false>(Buffer->getMemBuffer(), ec);
- return new ELFObjectImage<support::little, false>(Buffer, Obj);
+ DyldELFObject<support::little, 4, false> *Obj =
+ new DyldELFObject<support::little, 4, false>(Buffer->getMemBuffer(), ec);
+ return new ELFObjectImage<support::little, 4, false>(Buffer, Obj);
}
else if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2MSB) {
- DyldELFObject<support::big, false> *Obj =
- new DyldELFObject<support::big, false>(Buffer->getMemBuffer(), ec);
- return new ELFObjectImage<support::big, false>(Buffer, Obj);
+ DyldELFObject<support::big, 4, false> *Obj =
+ new DyldELFObject<support::big, 4, false>(Buffer->getMemBuffer(), ec);
+ return new ELFObjectImage<support::big, 4, false>(Buffer, Obj);
}
else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2MSB) {
- DyldELFObject<support::big, true> *Obj =
- new DyldELFObject<support::big, true>(Buffer->getMemBuffer(), ec);
- return new ELFObjectImage<support::big, true>(Buffer, Obj);
+ DyldELFObject<support::big, 8, true> *Obj =
+ new DyldELFObject<support::big, 8, true>(Buffer->getMemBuffer(), ec);
+ return new ELFObjectImage<support::big, 8, true>(Buffer, Obj);
}
else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2LSB) {
- DyldELFObject<support::little, true> *Obj =
- new DyldELFObject<support::little, true>(Buffer->getMemBuffer(), ec);
- return new ELFObjectImage<support::little, true>(Buffer, Obj);
+ DyldELFObject<support::little, 8, true> *Obj =
+ new DyldELFObject<support::little, 8, true>(Buffer->getMemBuffer(), ec);
+ return new ELFObjectImage<support::little, 8, true>(Buffer, Obj);
}
else
llvm_unreachable("Unexpected ELF format");
@@ -207,7 +210,7 @@ void RuntimeDyldELF::resolveX86_64Relocation(const SectionEntry &Section,
case ELF::R_X86_64_32S: {
Value += Addend;
assert((Type == ELF::R_X86_64_32 && (Value <= UINT32_MAX)) ||
- (Type == ELF::R_X86_64_32S &&
+ (Type == ELF::R_X86_64_32S &&
((int64_t)Value <= INT32_MAX && (int64_t)Value >= INT32_MIN)));
uint32_t TruncatedAddr = (Value & 0xFFFFFFFF);
uint32_t *Target = reinterpret_cast<uint32_t*>(Section.Address + Offset);
@@ -288,7 +291,7 @@ void RuntimeDyldELF::resolveARMRelocation(const SectionEntry &Section,
default:
llvm_unreachable("Not implemented relocation type!");
- // Write a 32bit value to relocation address, taking into account the
+ // Write a 32bit value to relocation address, taking into account the
// implicit addend encoded in the target.
case ELF::R_ARM_TARGET1 :
case ELF::R_ARM_ABS32 :
@@ -299,7 +302,7 @@ void RuntimeDyldELF::resolveARMRelocation(const SectionEntry &Section,
// Last 4 bit should be shifted.
case ELF::R_ARM_MOVW_ABS_NC :
// We are not expecting any other addend in the relocation address.
- // Using 0x000F0FFF because MOVW has its 16 bit immediate split into 2
+ // Using 0x000F0FFF because MOVW has its 16 bit immediate split into 2
// non-contiguous fields.
assert((*TargetPtr & 0x000F0FFF) == 0);
Value = Value & 0xFFFF;
@@ -550,7 +553,6 @@ void RuntimeDyldELF::resolvePPC64Relocation(const SectionEntry &Section,
}
}
-
void RuntimeDyldELF::resolveRelocation(const SectionEntry &Section,
uint64_t Offset,
uint64_t Value,
@@ -630,9 +632,9 @@ void RuntimeDyldELF::processRelocationRef(const ObjRelocationInfo &Rel,
// Default to 'true' in case isText fails (though it never does).
bool isCode = true;
si->isText(isCode);
- Value.SectionID = findOrEmitSection(Obj,
- (*si),
- isCode,
+ Value.SectionID = findOrEmitSection(Obj,
+ (*si),
+ isCode,
ObjSectionToID);
Value.Addend = Addend;
break;
diff --git a/lib/Object/ELFObjectFile.cpp b/lib/Object/ELFObjectFile.cpp
index 663b84ec8b..2c8c1b16d1 100644
--- a/lib/Object/ELFObjectFile.cpp
+++ b/lib/Object/ELFObjectFile.cpp
@@ -12,6 +12,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Object/ELF.h"
+#include "llvm/Support/MathExtras.h"
namespace llvm {
@@ -22,16 +23,37 @@ ObjectFile *ObjectFile::createELFObjectFile(MemoryBuffer *Object) {
std::pair<unsigned char, unsigned char> Ident = getElfArchType(Object);
error_code ec;
+ std::size_t MaxAlignment =
+ 1ULL << CountTrailingZeros_64(uintptr_t(Object->getBufferStart()));
+
if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB)
- return new ELFObjectFile<support::little, false>(Object, ec);
+ if (MaxAlignment >= 4)
+ return new ELFObjectFile<support::little, 4, false>(Object, ec);
+ else if (MaxAlignment >= 2)
+ return new ELFObjectFile<support::little, 2, false>(Object, ec);
+ else
+ llvm_unreachable("Invalid alignment for ELF file!");
else if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2MSB)
- return new ELFObjectFile<support::big, false>(Object, ec);
+ if (MaxAlignment >= 4)
+ return new ELFObjectFile<support::big, 4, false>(Object, ec);
+ else if (MaxAlignment >= 2)
+ return new ELFObjectFile<support::big, 2, false>(Object, ec);
+ else
+ llvm_unreachable("Invalid alignment for ELF file!");
else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2MSB)
- return new ELFObjectFile<support::big, true>(Object, ec);
+ if (MaxAlignment >= 8)
+ return new ELFObjectFile<support::big, 8, true>(Object, ec);
+ else if (MaxAlignment >= 2)
+ return new ELFObjectFile<support::big, 2, true>(Object, ec);
+ else
+ llvm_unreachable("Invalid alignment for ELF file!");
else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2LSB) {
- ELFObjectFile<support::little, true> *result =
- new ELFObjectFile<support::little, true>(Object, ec);
- return result;
+ if (MaxAlignment >= 8)
+ return new ELFObjectFile<support::little, 8, true>(Object, ec);
+ else if (MaxAlignment >= 2)
+ return new ELFObjectFile<support::little, 2, true>(Object, ec);
+ else
+ llvm_unreachable("Invalid alignment for ELF file!");
}
report_fatal_error("Buffer is not an ELF object file!");
diff --git a/test/Object/archive-long-index.donttest b/test/Object/archive-long-index.test
index bd530edbf4..bd530edbf4 100644
--- a/test/Object/archive-long-index.donttest
+++ b/test/Object/archive-long-index.test
diff --git a/test/Object/simple-archive.donttest b/test/Object/simple-archive.test
index 3e6760ed97..3e6760ed97 100644
--- a/test/Object/simple-archive.donttest
+++ b/test/Object/simple-archive.test
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 11:51:32 +0000