// elfcpp.h -- main header file for elfcpp -*- C++ -*-
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
-// Free Software Foundation, Inc.
+// Copyright (C) 2006-2015 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of elfcpp.
EM_386 = 3,
EM_68K = 4,
EM_88K = 5,
- // 6 used to be EM_486
+ EM_IAMCU = 6,
EM_860 = 7,
EM_MIPS = 8,
EM_S370 = 9,
EM_MN10300 = 89,
EM_MN10200 = 90,
EM_PJ = 91,
- EM_OPENRISC = 92,
+ EM_OR1K = 92,
EM_ARC_A5 = 93,
EM_XTENSA = 94,
EM_VIDEOCORE = 95,
EM_UNICORE = 110,
EM_ALTERA_NIOS2 = 113,
EM_CRX = 114,
+ EM_AARCH64 = 183,
+ EM_TILEGX = 191,
// The Morph MT.
EM_MT = 0x2530,
// DLX.
// Old AVR objects used 0x1057 (EM_AVR is correct).
// Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
// Old FR30 objects used 0x3330 (EM_FR30 is correct).
- // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
+ // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OR1K is correct).
// Old D10V objects used 0x7650 (EM_D10V is correct).
// Old D30V objects used 0x7676 (EM_D30V is correct).
// Old IP2X objects used 0x8217 (EM_IP2K is correct).
// x86_64 unwind information.
SHT_X86_64_UNWIND = 0x70000001,
+ // MIPS-specific section types.
+ // Section contains register usage information.
+ SHT_MIPS_REGINFO = 0x70000006,
+ // Section contains miscellaneous options.
+ SHT_MIPS_OPTIONS = 0x7000000d,
+
+ // AARCH64-specific section type.
+ SHT_AARCH64_ATTRIBUTES = 0x70000003,
+
// Link editor is to sort the entries in this section based on the
// address specified in the associated symbol table entry.
SHT_ORDERED = 0x7fffffff
SHF_OS_NONCONFORMING = 0x100,
SHF_GROUP = 0x200,
SHF_TLS = 0x400,
+ SHF_COMPRESSED = 0x800,
SHF_MASKOS = 0x0ff00000,
SHF_MASKPROC = 0xf0000000,
// is also set, or if relocations exist against the section.
SHF_EXCLUDE = 0x80000000,
+ // Section with data that is GP relative addressable.
+ SHF_MIPS_GPREL = 0x10000000,
+
// x86_64 specific large section.
SHF_X86_64_LARGE = 0x10000000
};
+// Values which appear in the first Elf_WXword of the section data
+// of a SHF_COMPRESSED section.
+enum
+{
+ ELFCOMPRESS_ZLIB = 1,
+ ELFCOMPRESS_LOOS = 0x60000000,
+ ELFCOMPRESS_HIOS = 0x6fffffff,
+ ELFCOMPRESS_LOPROC = 0x70000000,
+ ELFCOMPRESS_HIPROC = 0x7fffffff,
+};
+
// Bit flags which appear in the first 32-bit word of the section data
// of a SHT_GROUP section.
// Platform architecture compatibility information
PT_ARM_ARCHEXT = 0x70000000,
// Exception unwind tables
- PT_ARM_EXIDX = 0x70000001
+ PT_ARM_EXIDX = 0x70000001,
+ // Register usage information. Identifies one .reginfo section.
+ PT_MIPS_REGINFO =0x70000000,
+ // Runtime procedure table.
+ PT_MIPS_RTPROC = 0x70000001,
+ // .MIPS.options section.
+ PT_MIPS_OPTIONS = 0x70000002,
+ // .MIPS.abiflags section.
+ PT_MIPS_ABIFLAGS = 0x70000003,
+ // Platform architecture compatibility information
+ PT_AARCH64_ARCHEXT = 0x70000000,
+ // Exception unwind tables
+ PT_AARCH64_UNWIND = 0x70000001
};
// The valid bit flags found in the Phdr p_flags field.
// symbol in the symbol table.
DT_SPARC_REGISTER = 0x70000001,
+ // MIPS specific dynamic array tags.
+ // 32 bit version number for runtime linker interface.
+ DT_MIPS_RLD_VERSION = 0x70000001,
+ // Time stamp.
+ DT_MIPS_TIME_STAMP = 0x70000002,
+ // Checksum of external strings and common sizes.
+ DT_MIPS_ICHECKSUM = 0x70000003,
+ // Index of version string in string table.
+ DT_MIPS_IVERSION = 0x70000004,
+ // 32 bits of flags.
+ DT_MIPS_FLAGS = 0x70000005,
+ // Base address of the segment.
+ DT_MIPS_BASE_ADDRESS = 0x70000006,
+ // ???
+ DT_MIPS_MSYM = 0x70000007,
+ // Address of .conflict section.
+ DT_MIPS_CONFLICT = 0x70000008,
+ // Address of .liblist section.
+ DT_MIPS_LIBLIST = 0x70000009,
+ // Number of local global offset table entries.
+ DT_MIPS_LOCAL_GOTNO = 0x7000000a,
+ // Number of entries in the .conflict section.
+ DT_MIPS_CONFLICTNO = 0x7000000b,
+ // Number of entries in the .liblist section.
+ DT_MIPS_LIBLISTNO = 0x70000010,
+ // Number of entries in the .dynsym section.
+ DT_MIPS_SYMTABNO = 0x70000011,
+ // Index of first external dynamic symbol not referenced locally.
+ DT_MIPS_UNREFEXTNO = 0x70000012,
+ // Index of first dynamic symbol in global offset table.
+ DT_MIPS_GOTSYM = 0x70000013,
+ // Number of page table entries in global offset table.
+ DT_MIPS_HIPAGENO = 0x70000014,
+ // Address of run time loader map, used for debugging.
+ DT_MIPS_RLD_MAP = 0x70000016,
+ // Delta C++ class definition.
+ DT_MIPS_DELTA_CLASS = 0x70000017,
+ // Number of entries in DT_MIPS_DELTA_CLASS.
+ DT_MIPS_DELTA_CLASS_NO = 0x70000018,
+ // Delta C++ class instances.
+ DT_MIPS_DELTA_INSTANCE = 0x70000019,
+ // Number of entries in DT_MIPS_DELTA_INSTANCE.
+ DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a,
+ // Delta relocations.
+ DT_MIPS_DELTA_RELOC = 0x7000001b,
+ // Number of entries in DT_MIPS_DELTA_RELOC.
+ DT_MIPS_DELTA_RELOC_NO = 0x7000001c,
+ // Delta symbols that Delta relocations refer to.
+ DT_MIPS_DELTA_SYM = 0x7000001d,
+ // Number of entries in DT_MIPS_DELTA_SYM.
+ DT_MIPS_DELTA_SYM_NO = 0x7000001e,
+ // Delta symbols that hold class declarations.
+ DT_MIPS_DELTA_CLASSSYM = 0x70000020,
+ // Number of entries in DT_MIPS_DELTA_CLASSSYM.
+ DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,
+ // Flags indicating information about C++ flavor.
+ DT_MIPS_CXX_FLAGS = 0x70000022,
+ // Pixie information (???).
+ DT_MIPS_PIXIE_INIT = 0x70000023,
+ // Address of .MIPS.symlib
+ DT_MIPS_SYMBOL_LIB = 0x70000024,
+ // The GOT index of the first PTE for a segment
+ DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,
+ // The GOT index of the first PTE for a local symbol
+ DT_MIPS_LOCAL_GOTIDX = 0x70000026,
+ // The GOT index of the first PTE for a hidden symbol
+ DT_MIPS_HIDDEN_GOTIDX = 0x70000027,
+ // The GOT index of the first PTE for a protected symbol
+ DT_MIPS_PROTECTED_GOTIDX = 0x70000028,
+ // Address of `.MIPS.options'.
+ DT_MIPS_OPTIONS = 0x70000029,
+ // Address of `.interface'.
+ DT_MIPS_INTERFACE = 0x7000002a,
+ // ???
+ DT_MIPS_DYNSTR_ALIGN = 0x7000002b,
+ // Size of the .interface section.
+ DT_MIPS_INTERFACE_SIZE = 0x7000002c,
+ // Size of rld_text_resolve function stored in the GOT.
+ DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d,
+ // Default suffix of DSO to be added by rld on dlopen() calls.
+ DT_MIPS_PERF_SUFFIX = 0x7000002e,
+ // Size of compact relocation section (O32).
+ DT_MIPS_COMPACT_SIZE = 0x7000002f,
+ // GP value for auxiliary GOTs.
+ DT_MIPS_GP_VALUE = 0x70000030,
+ // Address of auxiliary .dynamic.
+ DT_MIPS_AUX_DYNAMIC = 0x70000031,
+ // Address of the base of the PLTGOT.
+ DT_MIPS_PLTGOT = 0x70000032,
+ // Points to the base of a writable PLT.
+ DT_MIPS_RWPLT = 0x70000034,
+
DT_AUXILIARY = 0x7ffffffd,
DT_USED = 0x7ffffffe,
DT_FILTER = 0x7fffffff
static const int phdr_size = sizeof(internal::Phdr_data<size>);
// Size of ELF section header.
static const int shdr_size = sizeof(internal::Shdr_data<size>);
+ // Size of ELF compression header.
+ static const int chdr_size = sizeof(internal::Chdr_data<size>);
// Size of ELF symbol table entry.
static const int sym_size = sizeof(internal::Sym_data<size>);
// Sizes of ELF reloc entries.
internal::Shdr_data<size>* p_;
};
+// Accessor class for an ELF compression header.
+
+template<int size, bool big_endian>
+class Chdr
+{
+ public:
+ Chdr(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Chdr_data<size>*>(p))
+ { }
+
+ template<typename File>
+ Chdr(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Chdr_data<size>*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ Elf_Word
+ get_ch_type() const
+ { return Convert<size, big_endian>::convert_host(this->p_->ch_type); }
+
+ typename Elf_types<size>::Elf_WXword
+ get_ch_size() const
+ { return Convert<size, big_endian>::convert_host(this->p_->ch_size); }
+
+ typename Elf_types<size>::Elf_WXword
+ get_ch_addralign() const
+ { return
+ Convert<size, big_endian>::convert_host(this->p_->ch_addralign); }
+
+ private:
+ const internal::Chdr_data<size>* p_;
+};
+
+// Write class for an ELF compression header.
+
+template<int size, bool big_endian>
+class Chdr_write
+{
+ public:
+ Chdr_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Chdr_data<size>*>(p))
+ { }
+
+ void
+ put_ch_type(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->ch_type = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_ch_size(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->ch_size = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_ch_addralign(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); }
+
+ private:
+ internal::Chdr_data<size>* p_;
+};
+
// Accessor class for an ELF segment header.
template<int size, bool big_endian>