// elfcpp.h -- main header file for elfcpp -*- C++ -*-
-// Copyright 2006, 2007, Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of elfcpp.
-
+
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License
// as published by the Free Software Foundation; either version 2, or
// combinations without any restriction coming from the use of this
// file. (The Library Public License restrictions do apply in other
// respects; for example, they cover modification of the file, and
-/// distribution when not linked into a combined executable.)
+// distribution when not linked into a combined executable.)
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// Old MN10200 objects used 0xdead (EM_MN10200 is correct).
};
+// A special value found in the Ehdr e_phnum field.
+
+enum
+{
+ // Number of program segments stored in sh_info field of first
+ // section headre.
+ PN_XNUM = 0xffff
+};
+
// Special section indices.
enum
// with the SHF_LINK_ORDER and SHF_ORDERED section flags.
SHN_BEFORE = 0xff00,
SHN_AFTER = 0xff01,
+
+ // x86_64 specific large common symbol.
+ SHN_X86_64_LCOMMON = 0xff02
};
// The valid values found in the Shdr sh_type field.
SHT_LOUSER = 0x80000000,
SHT_HIUSER = 0xffffffff,
// The remaining values are not in the standard.
+ // Incremental build data.
+ SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
+ SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
+ SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
+ SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
// Object attributes.
SHT_GNU_ATTRIBUTES = 0x6ffffff5,
// GNU style dynamic hash table.
SHT_SPARC_GOTDATA = 0x70000000,
+ // ARM-specific section types.
+ // Exception Index table.
+ SHT_ARM_EXIDX = 0x70000001,
+ // BPABI DLL dynamic linking pre-emption map.
+ SHT_ARM_PREEMPTMAP = 0x70000002,
+ // Object file compatibility attributes.
+ SHT_ARM_ATTRIBUTES = 0x70000003,
+ // Support for debugging overlaid programs.
+ SHT_ARM_DEBUGOVERLAY = 0x70000004,
+ SHT_ARM_OVERLAYSECTION = 0x70000005,
+
+ // x86_64 unwind information.
+ SHT_X86_64_UNWIND = 0x70000001,
+
// Link editor is to sort the entries in this section based on the
// address specified in the associated symbol table entry.
- SHT_ORDERED = 0x7fffffff,
+ SHT_ORDERED = 0x7fffffff
};
// The valid bit flags found in the Shdr sh_flags field.
// executable or shared object. This flag is ignored if SHF_ALLOC
// is also set, or if relocations exist against the section.
SHF_EXCLUDE = 0x80000000,
+
+ // x86_64 specific large section.
+ SHF_X86_64_LARGE = 0x10000000
};
// Bit flags which appear in the first 32-bit word of the section data
// Stack flags.
PT_GNU_STACK = 0x6474e551,
// Read only after relocation.
- PT_GNU_RELRO = 0x6474e552
+ PT_GNU_RELRO = 0x6474e552,
+ // Platform architecture compatibility information
+ PT_ARM_ARCHEXT = 0x70000000,
+ // Exception unwind tables
+ PT_ARM_EXIDX = 0x70000001
};
// The valid bit flags found in the Phdr p_flags field.
STB_GLOBAL = 1,
STB_WEAK = 2,
STB_LOOS = 10,
+ STB_GNU_UNIQUE = 10,
STB_HIOS = 12,
STB_LOPROC = 13,
STB_HIPROC = 15
STT_COMMON = 5,
STT_TLS = 6,
STT_LOOS = 10,
+ STT_GNU_IFUNC = 10,
STT_HIOS = 12,
STT_LOPROC = 13,
STT_HIPROC = 15,
// The section type that must be used for register symbols on
// Sparc. These symbols initialize a global register.
STT_SPARC_REGISTER = 13,
+
+ // ARM: a THUMB function. This is not defined in ARM ELF Specification but
+ // used by the GNU tool-chain.
+ STT_ARM_TFUNC = 13
};
inline STB
DT_FINI_ARRAYSZ = 28,
DT_RUNPATH = 29,
DT_FLAGS = 30,
+
+ // This is used to mark a range of dynamic tags. It is not really
+ // a tag value.
DT_ENCODING = 32,
- DT_PREINIT_ARRAY = 33,
+
+ DT_PREINIT_ARRAY = 32,
DT_PREINIT_ARRAYSZ = 33,
DT_LOOS = 0x6000000d,
DT_HIOS = 0x6ffff000,
DF_1_INTERPOSE = 0x400,
DF_1_NODEFLIB = 0x800,
DF_1_NODUMP = 0x1000,
- DF_1_CONLFAT = 0x2000,
+ DF_1_CONLFAT = 0x2000
};
// Version numbers which appear in the vd_version field of a Verdef
const int VER_FLG_BASE = 0x1;
const int VER_FLG_WEAK = 0x2;
+const int VER_FLG_INFO = 0x4;
// Special constants found in the SHT_GNU_versym entries.
void
put_e_type(Elf_Half v)
{ this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
-
+
void
put_e_machine(Elf_Half v)
{ this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }