/* Mach-O support for BFD.
- Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009
+ Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2011,
+ 2012
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#ifndef _BFD_MACH_O_H_
#define _BFD_MACH_O_H_
+#include "sysdep.h"
#include "bfd.h"
-
-/* 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
-
-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;
-
-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;
-
-#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_load_command_type;
-
-#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
-{
- BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3
-}
-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 = 0x000001,
- BFD_MACH_O_MH_INCRLINK = 0x000002,
- BFD_MACH_O_MH_DYLDLINK = 0x000004,
- BFD_MACH_O_MH_BINDATLOAD = 0x000008,
- BFD_MACH_O_MH_PREBOUND = 0x000010,
- BFD_MACH_O_MH_SPLIT_SEGS = 0x000020,
- BFD_MACH_O_MH_LAZY_INIT = 0x000040,
- BFD_MACH_O_MH_TWOLEVEL = 0x000080,
- BFD_MACH_O_MH_FORCE_FLAT = 0x000100,
- BFD_MACH_O_MH_NOMULTIDEFS = 0x000200,
- BFD_MACH_O_MH_NOFIXPREBINDING = 0x000400,
- BFD_MACH_O_MH_PREBINDABLE = 0x000800,
- BFD_MACH_O_MH_ALLMODSBOUND = 0x001000,
- BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x002000,
- BFD_MACH_O_MH_CANONICAL = 0x004000,
- BFD_MACH_O_MH_WEAK_DEFINES = 0x008000,
- BFD_MACH_O_MH_BINDS_TO_WEAK = 0x010000,
- BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x020000,
- BFD_MACH_O_MH_ROOT_SAFE = 0x040000,
- BFD_MACH_O_MH_SETUID_SAFE = 0x080000,
- BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x100000,
- BFD_MACH_O_MH_PIE = 0x200000
-}
-bfd_mach_o_header_flags;
-
-/* 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 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;
+#include "mach-o/loader.h"
typedef struct bfd_mach_o_header
{
}
bfd_mach_o_header;
-#define BFD_MACH_O_HEADER_SIZE 28
-#define BFD_MACH_O_HEADER_64_SIZE 32
+typedef struct bfd_mach_o_asymbol
+{
+ /* The actual symbol which the rest of BFD works with. */
+ asymbol symbol;
+
+ /* Mach-O symbol fields. */
+ unsigned char n_type;
+ unsigned char n_sect;
+ unsigned short n_desc;
+}
+bfd_mach_o_asymbol;
+
+#define BFD_MACH_O_SEGNAME_SIZE 16
+#define BFD_MACH_O_SECTNAME_SIZE 16
typedef struct bfd_mach_o_section
{
- asection *bfdsection;
- char sectname[16 + 1];
- char segname[16 + 1];
+ /* Fields present in the file. */
+ char sectname[BFD_MACH_O_SECTNAME_SIZE + 1]; /* Always NUL padded. */
+ char segname[BFD_MACH_O_SEGNAME_SIZE + 1];
bfd_vma addr;
bfd_vma size;
bfd_vma offset;
unsigned long reserved1;
unsigned long reserved2;
unsigned long reserved3;
+
+ /* Corresponding bfd section. */
+ asection *bfdsection;
+
+ /* An array holding the indirect symbols for this section.
+ NULL values indicate local symbols.
+ The number of symbols is determined from the section size and type. */
+
+ bfd_mach_o_asymbol **indirect_syms;
+
+ /* Simply linked list. */
+ struct bfd_mach_o_section *next;
}
bfd_mach_o_section;
-#define BFD_MACH_O_SECTION_SIZE 68
-#define BFD_MACH_O_SECTION_64_SIZE 80
typedef struct bfd_mach_o_segment_command
{
- char segname[16 + 1];
+ char segname[BFD_MACH_O_SEGNAME_SIZE + 1];
bfd_vma vmaddr;
bfd_vma vmsize;
bfd_vma fileoff;
unsigned long initprot; /* Initial protection. */
unsigned long nsects;
unsigned long flags;
- bfd_mach_o_section *sections;
+
+ /* Linked list of sections. */
+ bfd_mach_o_section *sect_head;
+ bfd_mach_o_section *sect_tail;
}
bfd_mach_o_segment_command;
-#define BFD_MACH_O_LC_SEGMENT_SIZE 56
-#define BFD_MACH_O_LC_SEGMENT_64_SIZE 72
/* Protection flags. */
#define BFD_MACH_O_PROT_READ 0x01
#define BFD_MACH_O_PROT_WRITE 0x02
#define BFD_MACH_O_PROT_EXECUTE 0x04
-/* Generic relocation types (used by i386). */
-#define BFD_MACH_O_GENERIC_RELOC_VANILLA 0
-#define BFD_MACH_O_GENERIC_RELOC_PAIR 1
-#define BFD_MACH_O_GENERIC_RELOC_SECTDIFF 2
-#define BFD_MACH_O_GENERIC_RELOC_PB_LA_PTR 3
-#define BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF 4
-
-/* X86-64 relocations. */
-#define BFD_MACH_O_X86_64_RELOC_UNSIGNED 0 /* Absolute addresses. */
-#define BFD_MACH_O_X86_64_RELOC_SIGNED 1 /* 32-bit disp. */
-#define BFD_MACH_O_X86_64_RELOC_BRANCH 2 /* 32-bit pcrel disp. */
-#define BFD_MACH_O_X86_64_RELOC_GOT_LOAD 3 /* Movq load of a GOT entry. */
-#define BFD_MACH_O_X86_64_RELOC_GOT 4 /* GOT reference. */
-#define BFD_MACH_O_X86_64_RELOC_SUBTRACTOR 5 /* Symbol difference. */
-#define BFD_MACH_O_X86_64_RELOC_SIGNED_1 6 /* 32-bit signed disp -1. */
-#define BFD_MACH_O_X86_64_RELOC_SIGNED_2 7 /* 32-bit signed disp -2. */
-#define BFD_MACH_O_X86_64_RELOC_SIGNED_4 8 /* 32-bit signed disp -4. */
-
-/* Size of a relocation entry. */
-#define BFD_MACH_O_RELENT_SIZE 8
-
-/* Fields for a normal (non-scattered) entry. */
-#define BFD_MACH_O_R_PCREL 0x01000000
-#define BFD_MACH_O_GET_R_LENGTH(s) (((s) >> 25) & 0x3)
-#define BFD_MACH_O_R_EXTERN 0x08000000
-#define BFD_MACH_O_GET_R_TYPE(s) (((s) >> 28) & 0x0f)
-#define BFD_MACH_O_GET_R_SYMBOLNUM(s) ((s) & 0x00ffffff)
-#define BFD_MACH_O_SET_R_LENGTH(l) (((l) & 0x3) << 25)
-#define BFD_MACH_O_SET_R_TYPE(t) (((t) & 0xf) << 28)
-#define BFD_MACH_O_SET_R_SYMBOLNUM(s) ((s) & 0x00ffffff)
-
-/* Fields for a scattered entry. */
-#define BFD_MACH_O_SR_SCATTERED 0x80000000
-#define BFD_MACH_O_SR_PCREL 0x40000000
-#define BFD_MACH_O_GET_SR_LENGTH(s) (((s) >> 28) & 0x3)
-#define BFD_MACH_O_GET_SR_TYPE(s) (((s) >> 24) & 0x0f)
-#define BFD_MACH_O_GET_SR_ADDRESS(s) ((s) & 0x00ffffff)
-#define BFD_MACH_O_SET_SR_LENGTH(l) (((l) & 0x3) << 28)
-#define BFD_MACH_O_SET_SR_TYPE(t) (((t) & 0xf) << 24)
-#define BFD_MACH_O_SET_SR_ADDRESS(s) ((s) & 0x00ffffff)
-
/* Expanded internal representation of a relocation entry. */
typedef struct bfd_mach_o_reloc_info
{
}
bfd_mach_o_reloc_info;
-typedef struct bfd_mach_o_asymbol
-{
- /* The actual symbol which the rest of BFD works with. */
- asymbol symbol;
-
- /* Fields from Mach-O symbol. */
- unsigned char n_type;
- unsigned char n_sect;
- unsigned short n_desc;
-}
-bfd_mach_o_asymbol;
-#define BFD_MACH_O_NLIST_SIZE 12
-#define BFD_MACH_O_NLIST_64_SIZE 16
+/* The symbol table is sorted like this:
+ (1) local.
+ (otherwise in order of generation)
+ (2) external defined
+ (sorted by name)
+ (3) external undefined / common
+ (sorted by name)
+*/
typedef struct bfd_mach_o_symtab_command
{
bfd_vma objc_module_info_addr;
}
bfd_mach_o_dylib_module;
-#define BFD_MACH_O_DYLIB_MODULE_SIZE 52
-#define BFD_MACH_O_DYLIB_MODULE_64_SIZE 56
typedef struct bfd_mach_o_dylib_table_of_content
{
unsigned long module_index;
}
bfd_mach_o_dylib_table_of_content;
-#define BFD_MACH_O_TABLE_OF_CONTENT_SIZE 8
typedef struct bfd_mach_o_dylib_reference
{
}
bfd_mach_o_str_command;
+typedef struct bfd_mach_o_fvmlib_command
+{
+ unsigned int name_offset;
+ unsigned int name_len;
+ char *name_str;
+ unsigned int minor_version;
+ unsigned int header_addr;
+}
+bfd_mach_o_fvmlib_command;
+
typedef struct bfd_mach_o_dyld_info_command
{
/* File offset and size to rebase info. */
}
bfd_mach_o_dyld_info_command;
+typedef struct bfd_mach_o_version_min_command
+{
+ unsigned char rel;
+ unsigned char maj;
+ unsigned char min;
+ unsigned int reserved;
+}
+bfd_mach_o_version_min_command;
+
+typedef struct bfd_mach_o_encryption_info_command
+{
+ unsigned int cryptoff;
+ unsigned int cryptsize;
+ unsigned int cryptid;
+}
+bfd_mach_o_encryption_info_command;
+
typedef struct bfd_mach_o_load_command
{
bfd_mach_o_load_command_type type;
bfd_mach_o_linkedit_command linkedit;
bfd_mach_o_str_command str;
bfd_mach_o_dyld_info_command dyld_info;
+ bfd_mach_o_version_min_command version_min;
+ bfd_mach_o_encryption_info_command encryption_info;
+ bfd_mach_o_fvmlib_command fvmlib;
}
command;
}
unsigned long nsects;
bfd_mach_o_section **sections;
- /* Used while writting: current length of the output file. This is used
+ /* Used while writing: current length of the output file. This is used
to allocate space in the file. */
ufile_ptr filelen;
/* As symtab is referenced by other load command, it is handy to have
- a direct access to it. Also it is not clearly stated, only one symtab
+ a direct access to it. Although it is not clearly stated, only one symtab
is expected. */
bfd_mach_o_symtab_command *symtab;
bfd_mach_o_dysymtab_command *dysymtab;
+
+ /* A place to stash dwarf2 info for this bfd. */
+ void *dwarf2_find_line_info;
+
+ /* BFD of .dSYM file. */
+ bfd *dsym_bfd;
+
+ /* Cache of dynamic relocs. */
+ arelent *dyn_reloc_cache;
}
bfd_mach_o_data_struct;
-/* Target specific routines. */
-typedef struct bfd_mach_o_backend_data
+typedef struct bfd_mach_o_xlat_name
{
- enum bfd_architecture arch;
- bfd_boolean (*_bfd_mach_o_swap_reloc_in)(arelent *, bfd_mach_o_reloc_info *);
- bfd_boolean (*_bfd_mach_o_swap_reloc_out)(arelent *, bfd_mach_o_reloc_info *);
- bfd_boolean (*_bfd_mach_o_print_thread)(bfd *, bfd_mach_o_thread_flavour *,
- void *, char *);
+ const char *name;
+ unsigned long val;
}
-bfd_mach_o_backend_data;
+bfd_mach_o_xlat_name;
+
+/* Target specific routines. */
#define bfd_mach_o_get_data(abfd) ((abfd)->tdata.mach_o_data)
#define bfd_mach_o_get_backend_data(abfd) \
((bfd_mach_o_backend_data*)(abfd)->xvec->backend_data)
+/* Get the Mach-O header for section SEC. */
+#define bfd_mach_o_get_mach_o_section(sec) \
+ ((bfd_mach_o_section *)(sec)->used_by_bfd)
+
bfd_boolean bfd_mach_o_valid (bfd *);
-int bfd_mach_o_read_dysymtab_symbol (bfd *, bfd_mach_o_dysymtab_command *, bfd_mach_o_symtab_command *, bfd_mach_o_asymbol *, unsigned long);
-int bfd_mach_o_scan_start_address (bfd *);
-int bfd_mach_o_scan (bfd *, bfd_mach_o_header *, bfd_mach_o_data_struct *);
bfd_boolean bfd_mach_o_mkobject_init (bfd *);
const bfd_target *bfd_mach_o_object_p (bfd *);
const bfd_target *bfd_mach_o_core_p (bfd *);
bfd *bfd_mach_o_openr_next_archived_file (bfd *, bfd *);
bfd_boolean bfd_mach_o_set_arch_mach (bfd *, enum bfd_architecture,
unsigned long);
-int bfd_mach_o_lookup_section (bfd *, asection *, bfd_mach_o_load_command **, bfd_mach_o_section **);
int bfd_mach_o_lookup_command (bfd *, bfd_mach_o_load_command_type, bfd_mach_o_load_command **);
+bfd_boolean bfd_mach_o_new_section_hook (bfd *, asection *);
bfd_boolean bfd_mach_o_write_contents (bfd *);
bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data (bfd *, asymbol *,
bfd *, asymbol *);
bfd_boolean bfd_mach_o_bfd_copy_private_section_data (bfd *, asection *,
bfd *, asection *);
bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data (bfd *, bfd *);
+bfd_boolean bfd_mach_o_bfd_set_private_flags (bfd *, flagword);
long bfd_mach_o_get_symtab_upper_bound (bfd *);
long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **);
long bfd_mach_o_get_synthetic_symtab (bfd *, long, asymbol **, long,
asymbol *bfd_mach_o_make_empty_symbol (bfd *);
void bfd_mach_o_get_symbol_info (bfd *, asymbol *, symbol_info *);
void bfd_mach_o_print_symbol (bfd *, PTR, asymbol *, bfd_print_symbol_type);
-bfd_boolean bfd_mach_o_bfd_print_private_bfd_data (bfd *, PTR);
int bfd_mach_o_sizeof_headers (bfd *, struct bfd_link_info *);
unsigned long bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type);
int bfd_mach_o_core_fetch_environment (bfd *, unsigned char **, unsigned int *);
file_ptr, bfd_size_type);
unsigned int bfd_mach_o_version (bfd *);
+unsigned int bfd_mach_o_get_section_type_from_name (bfd *, const char *);
+unsigned int bfd_mach_o_get_section_attribute_from_name (const char *);
+
+void bfd_mach_o_convert_section_name_to_bfd (bfd *, const char *, const char *,
+ const char **, flagword *);
+bfd_boolean bfd_mach_o_find_nearest_line (bfd *, asection *, asymbol **,
+ bfd_vma, const char **,
+ const char **, unsigned int *);
+bfd_boolean bfd_mach_o_close_and_cleanup (bfd *);
+bfd_boolean bfd_mach_o_free_cached_info (bfd *);
+
+unsigned int bfd_mach_o_section_get_nbr_indirect (bfd *, bfd_mach_o_section *);
+unsigned int bfd_mach_o_section_get_entry_size (bfd *, bfd_mach_o_section *);
+bfd_boolean bfd_mach_o_read_symtab_symbols (bfd *);
+bfd_boolean bfd_mach_o_read_symtab_strtab (bfd *abfd);
+
+/* A placeholder in case we need to suppress emitting the dysymtab for some
+ reason (e.g. compatibility with older system versions). */
+#define bfd_mach_o_should_emit_dysymtab(x) TRUE
+
+extern const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[];
+extern const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[];
+
extern const bfd_target mach_o_fat_vec;
+/* Interfaces between BFD names and Mach-O names. */
+
+typedef struct mach_o_section_name_xlat
+{
+ const char *bfd_name;
+ const char *mach_o_name;
+ flagword bfd_flags;
+ unsigned int macho_sectype;
+ unsigned int macho_secattr;
+ unsigned int sectalign;
+} mach_o_section_name_xlat;
+
+typedef struct mach_o_segment_name_xlat
+{
+ const char *segname;
+ const mach_o_section_name_xlat *sections;
+} mach_o_segment_name_xlat;
+
+const mach_o_section_name_xlat *
+bfd_mach_o_section_data_for_mach_sect (bfd *, const char *, const char *);
+const mach_o_section_name_xlat *
+bfd_mach_o_section_data_for_bfd_name (bfd *, const char *, const char **);
+
+typedef struct bfd_mach_o_backend_data
+{
+ enum bfd_architecture arch;
+ bfd_boolean (*_bfd_mach_o_swap_reloc_in)(arelent *, bfd_mach_o_reloc_info *);
+ bfd_boolean (*_bfd_mach_o_swap_reloc_out)(arelent *, bfd_mach_o_reloc_info *);
+ bfd_boolean (*_bfd_mach_o_print_thread)(bfd *, bfd_mach_o_thread_flavour *,
+ void *, char *);
+ const mach_o_segment_name_xlat *segsec_names_xlat;
+ bfd_boolean (*bfd_mach_o_section_type_valid_for_target) (unsigned long);
+}
+bfd_mach_o_backend_data;
+
+/* Values used in symbol.udata.i, to signal that the mach-o-specific data in the
+ symbol are not yet set, or need validation (where this is possible). */
+
+#define SYM_MACHO_FIELDS_UNSET ((bfd_vma) -1)
+#define SYM_MACHO_FIELDS_NOT_VALIDATED ((bfd_vma) -2)
+
#endif /* _BFD_MACH_O_H_ */
projects / deliverable / binutils-gdb.git / blobdiff