| /* 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_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 0x0f |
| #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_INDIRECT_SYM_LOCAL 0x80000000 |
| #define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000 |
| |
| /* 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 */ |
