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Retro68/binutils/include/mach-o/loader.h

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/* Mach-O support for BFD.
Copyright 2011, 2012
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef _MACH_O_LOADER_H
#define _MACH_O_LOADER_H
/* Constants for header. */
typedef enum bfd_mach_o_mach_header_magic
{
BFD_MACH_O_MH_MAGIC = 0xfeedface,
BFD_MACH_O_MH_CIGAM = 0xcefaedfe,
BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf,
BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe
}
bfd_mach_o_mach_header_magic;
#define BFD_MACH_O_CPU_IS64BIT 0x1000000
typedef enum bfd_mach_o_cpu_type
{
BFD_MACH_O_CPU_TYPE_VAX = 1,
BFD_MACH_O_CPU_TYPE_MC680x0 = 6,
BFD_MACH_O_CPU_TYPE_I386 = 7,
BFD_MACH_O_CPU_TYPE_MIPS = 8,
BFD_MACH_O_CPU_TYPE_MC98000 = 10,
BFD_MACH_O_CPU_TYPE_HPPA = 11,
BFD_MACH_O_CPU_TYPE_ARM = 12,
BFD_MACH_O_CPU_TYPE_MC88000 = 13,
BFD_MACH_O_CPU_TYPE_SPARC = 14,
BFD_MACH_O_CPU_TYPE_I860 = 15,
BFD_MACH_O_CPU_TYPE_ALPHA = 16,
BFD_MACH_O_CPU_TYPE_POWERPC = 18,
BFD_MACH_O_CPU_TYPE_POWERPC_64 = (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT),
BFD_MACH_O_CPU_TYPE_X86_64 = (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT)
}
bfd_mach_o_cpu_type;
typedef enum bfd_mach_o_cpu_subtype
{
/* i386. */
BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3,
/* arm. */
BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0,
BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5,
BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6,
BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7,
BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8,
BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9
}
bfd_mach_o_cpu_subtype;
typedef enum bfd_mach_o_filetype
{
BFD_MACH_O_MH_OBJECT = 0x01,
BFD_MACH_O_MH_EXECUTE = 0x02,
BFD_MACH_O_MH_FVMLIB = 0x03,
BFD_MACH_O_MH_CORE = 0x04,
BFD_MACH_O_MH_PRELOAD = 0x05,
BFD_MACH_O_MH_DYLIB = 0x06,
BFD_MACH_O_MH_DYLINKER = 0x07,
BFD_MACH_O_MH_BUNDLE = 0x08,
BFD_MACH_O_MH_DYLIB_STUB = 0x09,
BFD_MACH_O_MH_DSYM = 0x0a,
BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b
}
bfd_mach_o_filetype;
typedef enum bfd_mach_o_header_flags
{
BFD_MACH_O_MH_NOUNDEFS = 0x0000001,
BFD_MACH_O_MH_INCRLINK = 0x0000002,
BFD_MACH_O_MH_DYLDLINK = 0x0000004,
BFD_MACH_O_MH_BINDATLOAD = 0x0000008,
BFD_MACH_O_MH_PREBOUND = 0x0000010,
BFD_MACH_O_MH_SPLIT_SEGS = 0x0000020,
BFD_MACH_O_MH_LAZY_INIT = 0x0000040,
BFD_MACH_O_MH_TWOLEVEL = 0x0000080,
BFD_MACH_O_MH_FORCE_FLAT = 0x0000100,
BFD_MACH_O_MH_NOMULTIDEFS = 0x0000200,
BFD_MACH_O_MH_NOFIXPREBINDING = 0x0000400,
BFD_MACH_O_MH_PREBINDABLE = 0x0000800,
BFD_MACH_O_MH_ALLMODSBOUND = 0x0001000,
BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000,
BFD_MACH_O_MH_CANONICAL = 0x0004000,
BFD_MACH_O_MH_WEAK_DEFINES = 0x0008000,
BFD_MACH_O_MH_BINDS_TO_WEAK = 0x0010000,
BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x0020000,
BFD_MACH_O_MH_ROOT_SAFE = 0x0040000,
BFD_MACH_O_MH_SETUID_SAFE = 0x0080000,
BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x0100000,
BFD_MACH_O_MH_PIE = 0x0200000,
BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB = 0x0400000,
BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS = 0x0800000,
BFD_MACH_O_MH_NO_HEAP_EXECUTION = 0x1000000
}
bfd_mach_o_header_flags;
/* Load command constants. */
#define BFD_MACH_O_LC_REQ_DYLD 0x80000000
typedef enum bfd_mach_o_load_command_type
{
BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */
BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */
BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */
BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */
BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */
BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */
BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */
BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */
BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */
BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */
BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */
BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */
BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */
BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */
BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */
BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */
BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */
BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */
BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */
BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */
BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */
BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */
BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */
/* Load a dynamically linked shared library that is allowed to be
missing (weak). */
BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be
mapped. */
BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine
in a dylib. */
BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */
BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */
BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */
BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */
BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */
BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */
BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */
BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */
BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */
BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */
BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */
BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */
BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27, /* Env variable string for dyld. */
BFD_MACH_O_LC_MAIN = 0x28, /* Entry point. */
BFD_MACH_O_LC_DATA_IN_CODE = 0x29, /* Table of non-instructions. */
BFD_MACH_O_LC_SOURCE_VERSION = 0x2a, /* Source version. */
BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS = 0x2b /* DRs from dylibs. */
}
bfd_mach_o_load_command_type;
/* Section constants. */
/* Constants for the type of a section. */
typedef enum bfd_mach_o_section_type
{
/* Regular section. */
BFD_MACH_O_S_REGULAR = 0x0,
/* Zero fill on demand section. */
BFD_MACH_O_S_ZEROFILL = 0x1,
/* Section with only literal C strings. */
BFD_MACH_O_S_CSTRING_LITERALS = 0x2,
/* Section with only 4 byte literals. */
BFD_MACH_O_S_4BYTE_LITERALS = 0x3,
/* Section with only 8 byte literals. */
BFD_MACH_O_S_8BYTE_LITERALS = 0x4,
/* Section with only pointers to literals. */
BFD_MACH_O_S_LITERAL_POINTERS = 0x5,
/* For the two types of symbol pointers sections and the symbol stubs
section they have indirect symbol table entries. For each of the
entries in the section the indirect symbol table entries, in
corresponding order in the indirect symbol table, start at the index
stored in the reserved1 field of the section structure. Since the
indirect symbol table entries correspond to the entries in the
section the number of indirect symbol table entries is inferred from
the size of the section divided by the size of the entries in the
section. For symbol pointers sections the size of the entries in
the section is 4 bytes and for symbol stubs sections the byte size
of the stubs is stored in the reserved2 field of the section
structure. */
/* Section with only non-lazy symbol pointers. */
BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6,
/* Section with only lazy symbol pointers. */
BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7,
/* Section with only symbol stubs, byte size of stub in the reserved2
field. */
BFD_MACH_O_S_SYMBOL_STUBS = 0x8,
/* Section with only function pointers for initialization. */
BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9,
/* Section with only function pointers for termination. */
BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa,
/* Section contains symbols that are coalesced by the linkers. */
BFD_MACH_O_S_COALESCED = 0xb,
/* Zero fill on demand section (possibly larger than 4 GB). */
BFD_MACH_O_S_GB_ZEROFILL = 0xc,
/* Section with only pairs of function pointers for interposing. */
BFD_MACH_O_S_INTERPOSING = 0xd,
/* Section with only 16 byte literals. */
BFD_MACH_O_S_16BYTE_LITERALS = 0xe,
/* Section contains DTrace Object Format. */
BFD_MACH_O_S_DTRACE_DOF = 0xf,
/* Section with only lazy symbol pointers to lazy loaded dylibs. */
BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10
}
bfd_mach_o_section_type;
/* The flags field of a section structure is separated into two parts a section
type and section attributes. The section types are mutually exclusive (it
can only have one type) but the section attributes are not (it may have more
than one attribute). */
#define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff
/* Constants for the section attributes part of the flags field of a section
structure. */
#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00
/* System setable attributes. */
#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00
/* User attributes. */
#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000
typedef enum bfd_mach_o_section_attribute
{
/* Section has no specified attibutes. */
BFD_MACH_O_S_ATTR_NONE = 0,
/* Section has local relocation entries. */
BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100,
/* Section has external relocation entries. */
BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200,
/* Section contains some machine instructions. */
BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
/* A debug section. */
BFD_MACH_O_S_ATTR_DEBUG = 0x02000000,
/* Used with i386 stubs. */
BFD_MACH_O_S_SELF_MODIFYING_CODE = 0x04000000,
/* Blocks are live if they reference live blocks. */
BFD_MACH_O_S_ATTR_LIVE_SUPPORT = 0x08000000,
/* No dead stripping. */
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000,
/* Section symbols can be stripped in files with MH_DYLDLINK flag. */
BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS = 0x20000000,
/* Section contains coalesced symbols that are not to be in the TOC of an
archive. */
BFD_MACH_O_S_ATTR_NO_TOC = 0x40000000,
/* Section contains only true machine instructions. */
BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS = 0x80000000
}
bfd_mach_o_section_attribute;
/* Symbol constants. */
/* Symbol n_type values. */
#define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */
#define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */
#define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */
#define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */
#define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */
#define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */
#define BFD_MACH_O_N_INDR 0x0a /* Indirect. */
#define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */
#define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */
#define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */
/* Symbol n_desc reference flags. */
#define BFD_MACH_O_REFERENCE_MASK 0x07
#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00
#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01
#define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02
#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03
#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04
#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05
#define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10
#define BFD_MACH_O_N_DESC_DISCARDED 0x20
#define BFD_MACH_O_N_NO_DEAD_STRIP 0x20
#define BFD_MACH_O_N_WEAK_REF 0x40
#define BFD_MACH_O_N_WEAK_DEF 0x80
#define BFD_MACH_O_N_REF_TO_WEAK 0x80
#define BFD_MACH_O_N_ARM_THUMB_DEF 0x08
#define BFD_MACH_O_N_SYMBOL_RESOLVER 0x100
#define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000
#define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000
/* Constants for DATA_IN_CODE entries. */
typedef enum bfd_mach_o_data_in_code_entry_kind
{
BFD_MACH_O_DICE_KIND_DATA = 0x0001, /* Data */
BFD_MACH_O_DICE_JUMP_TABLES8 = 0x0002, /* 1 byte jump tables. */
BFD_MACH_O_DICE_JUMP_TABLES16 = 0x0003, /* 2 bytes. */
BFD_MACH_O_DICE_JUMP_TABLES32 = 0x0004, /* 4 bytes. */
BFD_MACH_O_DICE_ABS_JUMP_TABLES32 = 0x0005 /* Absolute jump table. */
} bfd_mach_o_data_in_code_entry_kind;
/* Thread constants. */
typedef enum bfd_mach_o_ppc_thread_flavour
{
BFD_MACH_O_PPC_THREAD_STATE = 1,
BFD_MACH_O_PPC_FLOAT_STATE = 2,
BFD_MACH_O_PPC_EXCEPTION_STATE = 3,
BFD_MACH_O_PPC_VECTOR_STATE = 4,
BFD_MACH_O_PPC_THREAD_STATE64 = 5,
BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6,
BFD_MACH_O_PPC_THREAD_STATE_NONE = 7
}
bfd_mach_o_ppc_thread_flavour;
/* Defined in <mach/i386/thread_status.h> */
typedef enum bfd_mach_o_i386_thread_flavour
{
BFD_MACH_O_x86_THREAD_STATE32 = 1,
BFD_MACH_O_x86_FLOAT_STATE32 = 2,
BFD_MACH_O_x86_EXCEPTION_STATE32 = 3,
BFD_MACH_O_x86_THREAD_STATE64 = 4,
BFD_MACH_O_x86_FLOAT_STATE64 = 5,
BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
BFD_MACH_O_x86_THREAD_STATE = 7,
BFD_MACH_O_x86_FLOAT_STATE = 8,
BFD_MACH_O_x86_EXCEPTION_STATE = 9,
BFD_MACH_O_x86_DEBUG_STATE32 = 10,
BFD_MACH_O_x86_DEBUG_STATE64 = 11,
BFD_MACH_O_x86_DEBUG_STATE = 12,
BFD_MACH_O_x86_THREAD_STATE_NONE = 13
}
bfd_mach_o_i386_thread_flavour;
#endif /* _MACH_O_LOADER_H */
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