/* Mach-O support for BFD.
- Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007
+ Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#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_SECT 0x0e /* Defined in section number n_sect. */
-#define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */
#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_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_i386_NEW_THREAD_STATE = 1,
- BFD_MACH_O_i386_FLOAT_STATE = 2,
- BFD_MACH_O_i386_ISA_PORT_MAP_STATE = 3,
- BFD_MACH_O_i386_V86_ASSIST_STATE = 4,
- BFD_MACH_O_i386_REGS_SEGS_STATE = 5,
- BFD_MACH_O_i386_THREAD_SYSCALL_STATE = 6,
- BFD_MACH_O_i386_THREAD_STATE_NONE = 7,
- BFD_MACH_O_i386_SAVED_STATE = 8,
- BFD_MACH_O_i386_THREAD_STATE = -1,
- BFD_MACH_O_i386_THREAD_FPSTATE = -2,
- BFD_MACH_O_i386_THREAD_EXCEPTSTATE = -3,
- BFD_MACH_O_i386_THREAD_CTHREADSTATE = -4,
+ 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;
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_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_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_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 = 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 = 1,
}
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
/* 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. */
+ /* 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
+ 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;
-typedef unsigned long bfd_mach_o_cpu_subtype;
+/* 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;
typedef struct bfd_mach_o_header
{
unsigned long ncmds;
unsigned long sizeofcmds;
unsigned long flags;
+ unsigned int reserved;
+ /* Version 1: 32 bits, version 2: 64 bits. */
+ unsigned int version;
enum bfd_endian byteorder;
}
bfd_mach_o_header;
+#define BFD_MACH_O_HEADER_SIZE 28
+#define BFD_MACH_O_HEADER_64_SIZE 32
+
typedef struct bfd_mach_o_section
{
asection *bfdsection;
unsigned long flags;
unsigned long reserved1;
unsigned long reserved2;
+ unsigned long reserved3;
}
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];
+ char segname[16 + 1];
bfd_vma vmaddr;
bfd_vma vmsize;
bfd_vma fileoff;
unsigned long filesize;
+ unsigned long maxprot; /* Maximum permitted protection. */
+ unsigned long initprot; /* Initial protection. */
unsigned long nsects;
unsigned long flags;
bfd_mach_o_section *sections;
- asection *segment;
}
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
+
+/* 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_vma r_address;
+ bfd_vma r_value;
+ unsigned int r_scattered : 1;
+ unsigned int r_type : 4;
+ unsigned int r_pcrel : 1;
+ unsigned int r_length : 2;
+ unsigned int r_extern : 1;
+}
+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
typedef struct bfd_mach_o_symtab_command
{
- unsigned long symoff;
- unsigned long nsyms;
- unsigned long stroff;
- unsigned long strsize;
- asymbol *symbols;
+ unsigned int symoff;
+ unsigned int nsyms;
+ unsigned int stroff;
+ unsigned int strsize;
+ bfd_mach_o_asymbol *symbols;
char *strtab;
- asection *stabs_segment;
- asection *stabstr_segment;
}
bfd_mach_o_symtab_command;
For executable and object modules the relocation entries continue to hang
off the section structures. */
+typedef struct bfd_mach_o_dylib_module
+{
+ /* Index into the string table indicating the name of the module. */
+ unsigned long module_name_idx;
+ char *module_name;
+
+ /* Index into the symbol table of the first defined external symbol provided
+ by the module. */
+ unsigned long iextdefsym;
+
+ /* Number of external symbols provided by this module. */
+ unsigned long nextdefsym;
+
+ /* Index into the external reference table of the first entry
+ provided by this module. */
+ unsigned long irefsym;
+
+ /* Number of external reference entries provided by this module. */
+ unsigned long nrefsym;
+
+ /* Index into the symbol table of the first local symbol provided by this
+ module. */
+ unsigned long ilocalsym;
+
+ /* Number of local symbols provided by this module. */
+ unsigned long nlocalsym;
+
+ /* Index into the external relocation table of the first entry provided
+ by this module. */
+ unsigned long iextrel;
+
+ /* Number of external relocation entries provided by this module. */
+ unsigned long nextrel;
+
+ /* Index in the module initialization section to the pointers for this
+ module. */
+ unsigned short iinit;
+
+ /* Index in the module termination section to the pointers for this
+ module. */
+ unsigned short iterm;
+
+ /* Number of pointers in the module initialization for this module. */
+ unsigned short ninit;
+
+ /* Number of pointers in the module termination for this module. */
+ unsigned short nterm;
+
+ /* Number of data byte for this module that are used in the __module_info
+ section of the __OBJC segment. */
+ unsigned long objc_module_info_size;
+
+ /* Statically linked address of the start of the data for this module
+ in the __module_info section of the __OBJC_segment. */
+ 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
+{
+ /* Index into the symbol table to the defined external symbol. */
+ unsigned long symbol_index;
+
+ /* Index into the module table to the module for this entry. */
+ 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
+{
+ /* Index into the symbol table for the symbol being referenced. */
+ unsigned long isym;
+
+ /* Type of the reference being made (use REFERENCE_FLAGS constants). */
+ unsigned long flags;
+}
+bfd_mach_o_dylib_reference;
+#define BFD_MACH_O_REFERENCE_SIZE 4
+
typedef struct bfd_mach_o_dysymtab_command
{
/* The symbols indicated by symoff and nsyms of the LC_SYMTAB load command
unsigned long locreloff; /* Offset to local relocation entries. */
unsigned long nlocrel; /* Number of local relocation entries. */
+
+ bfd_mach_o_dylib_module *dylib_module;
+ bfd_mach_o_dylib_table_of_content *dylib_toc;
+ unsigned int *indirect_syms;
+ bfd_mach_o_dylib_reference *ext_refs;
}
bfd_mach_o_dysymtab_command;
/* An indirect symbol table entry is simply a 32bit index into the symbol table
to the symbol that the pointer or stub is refering to. Unless it is for a
- non-lazy symbol pointer section for a defined symbol which strip(1) as
+ non-lazy symbol pointer section for a defined symbol which strip(1) has
removed. In which case it has the value INDIRECT_SYMBOL_LOCAL. If the
symbol was also absolute INDIRECT_SYMBOL_ABS is or'ed with that. */
-#define INDIRECT_SYMBOL_LOCAL 0x80000000
-#define INDIRECT_SYMBOL_ABS 0x40000000
+#define BFD_MACH_O_INDIRECT_SYMBOL_LOCAL 0x80000000
+#define BFD_MACH_O_INDIRECT_SYMBOL_ABS 0x40000000
+#define BFD_MACH_O_INDIRECT_SYMBOL_SIZE 4
+
+/* For LC_THREAD or LC_UNIXTHREAD. */
typedef struct bfd_mach_o_thread_flavour
{
unsigned long flavour;
- bfd_vma offset;
+ unsigned long offset;
unsigned long size;
}
bfd_mach_o_thread_flavour;
}
bfd_mach_o_thread_command;
+/* For LC_LOAD_DYLINKER and LC_ID_DYLINKER. */
+
typedef struct bfd_mach_o_dylinker_command
{
- unsigned long cmd; /* LC_ID_DYLIB or LC_LOAD_DYLIB. */
- unsigned long cmdsize; /* Includes pathname string. */
- unsigned long name_offset; /* Offset to library's path name. */
- unsigned long name_len; /* Offset to library's path name. */
- asection *section;
+ unsigned long name_offset; /* Offset to library's path name. */
+ unsigned long name_len; /* Offset to library's path name. */
+ char *name_str;
}
bfd_mach_o_dylinker_command;
+/* For LC_LOAD_DYLIB, LC_LOAD_WEAK_DYLIB, LC_ID_DYLIB
+ or LC_REEXPORT_DYLIB. */
+
typedef struct bfd_mach_o_dylib_command
{
- unsigned long cmd; /* LC_ID_DYLIB or LC_LOAD_DYLIB. */
- unsigned long cmdsize; /* Includes pathname string. */
unsigned long name_offset; /* Offset to library's path name. */
unsigned long name_len; /* Offset to library's path name. */
unsigned long timestamp; /* Library's build time stamp. */
unsigned long current_version; /* Library's current version number. */
unsigned long compatibility_version; /* Library's compatibility vers number. */
- asection *section;
+ char *name_str;
}
bfd_mach_o_dylib_command;
+/* For LC_PREBOUND_DYLIB. */
+
typedef struct bfd_mach_o_prebound_dylib_command
{
- unsigned long cmd; /* LC_PREBOUND_DYLIB. */
- unsigned long cmdsize; /* Includes strings. */
unsigned long name; /* Library's path name. */
unsigned long nmodules; /* Number of modules in library. */
unsigned long linked_modules; /* Bit vector of linked modules. */
- asection *section;
}
bfd_mach_o_prebound_dylib_command;
+/* For LC_UUID. */
+
+typedef struct bfd_mach_o_uuid_command
+{
+ unsigned char uuid[16];
+ asection *section;
+}
+bfd_mach_o_uuid_command;
+
+/* For LC_CODE_SIGNATURE or LC_SEGMENT_SPLIT_INFO. */
+
+typedef struct bfd_mach_o_linkedit_command
+{
+ unsigned long dataoff;
+ unsigned long datasize;
+}
+bfd_mach_o_linkedit_command;
+
+typedef struct bfd_mach_o_str_command
+{
+ unsigned long stroff;
+ unsigned long str_len;
+ char *str;
+}
+bfd_mach_o_str_command;
+
typedef struct bfd_mach_o_load_command
{
bfd_mach_o_load_command_type type;
- unsigned int type_required;
- bfd_vma offset;
- bfd_vma len;
+ bfd_boolean type_required;
+ unsigned int offset;
+ unsigned int len;
union
{
bfd_mach_o_segment_command segment;
bfd_mach_o_dylib_command dylib;
bfd_mach_o_dylinker_command dylinker;
bfd_mach_o_prebound_dylib_command prebound_dylib;
+ bfd_mach_o_uuid_command uuid;
+ bfd_mach_o_linkedit_command linkedit;
+ bfd_mach_o_str_command str;
}
command;
}
typedef struct mach_o_data_struct
{
+ /* Mach-O header. */
bfd_mach_o_header header;
+ /* Array of load commands (length is given by header.ncmds). */
bfd_mach_o_load_command *commands;
- unsigned long nsymbols;
- asymbol *symbols;
+
+ /* Flatten array of sections. The array is 0-based. */
unsigned long nsects;
bfd_mach_o_section **sections;
- bfd *ibfd;
+
+ /* Used while writting: 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
+ is expected. */
+ bfd_mach_o_symtab_command *symtab;
+ bfd_mach_o_dysymtab_command *dysymtab;
+}
+bfd_mach_o_data_struct;
+
+/* Target specific routines. */
+typedef struct bfd_mach_o_backend_data
+{
+ 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 *);
}
-mach_o_data_struct;
-
-typedef struct mach_o_data_struct bfd_mach_o_data_struct;
-
-bfd_boolean bfd_mach_o_valid (bfd *);
-int bfd_mach_o_scan_read_symtab_symbol (bfd *, bfd_mach_o_symtab_command *, asymbol *, unsigned long);
-int bfd_mach_o_scan_read_symtab_strtab (bfd *, bfd_mach_o_symtab_command *);
-int bfd_mach_o_scan_read_symtab_symbols (bfd *, bfd_mach_o_symtab_command *);
-int bfd_mach_o_scan_read_dysymtab_symbol (bfd *, bfd_mach_o_dysymtab_command *, bfd_mach_o_symtab_command *, 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 (bfd *);
-const bfd_target * bfd_mach_o_object_p (bfd *);
-const bfd_target * bfd_mach_o_core_p (bfd *);
-const bfd_target * bfd_mach_o_archive_p (bfd *);
-bfd * bfd_mach_o_openr_next_archived_file (bfd *, bfd *);
-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 **);
-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 *);
-char * bfd_mach_o_core_file_failing_command (bfd *);
-int bfd_mach_o_core_file_failing_signal (bfd *);
-bfd_boolean bfd_mach_o_core_file_matches_executable_p (bfd *, bfd *);
-
-extern const bfd_target mach_o_be_vec;
-extern const bfd_target mach_o_le_vec;
+bfd_mach_o_backend_data;
+
+#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)
+
+bfd_boolean bfd_mach_o_valid (bfd *);
+int bfd_mach_o_scan_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 *);
+const bfd_target *bfd_mach_o_archive_p (bfd *);
+bfd *bfd_mach_o_openr_next_archived_file (bfd *, bfd *);
+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_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 *);
+long bfd_mach_o_get_symtab_upper_bound (bfd *);
+long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **);
+long bfd_mach_o_get_reloc_upper_bound (bfd *, asection *);
+long bfd_mach_o_canonicalize_reloc (bfd *, asection *, arelent **, asymbol **);
+long bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *);
+long bfd_mach_o_canonicalize_dynamic_reloc (bfd *, arelent **, asymbol **);
+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 *);
+char *bfd_mach_o_core_file_failing_command (bfd *);
+int bfd_mach_o_core_file_failing_signal (bfd *);
+bfd_boolean bfd_mach_o_core_file_matches_executable_p (bfd *, bfd *);
+bfd *bfd_mach_o_fat_extract (bfd *, bfd_format , const bfd_arch_info_type *);
+const bfd_target *bfd_mach_o_header_p (bfd *, bfd_mach_o_filetype,
+ bfd_mach_o_cpu_type);
+bfd_boolean bfd_mach_o_build_commands (bfd *);
+bfd_boolean bfd_mach_o_set_section_contents (bfd *, asection *, const void *,
+ file_ptr, bfd_size_type);
+unsigned int bfd_mach_o_version (bfd *);
+
extern const bfd_target mach_o_fat_vec;
#endif /* _BFD_MACH_O_H_ */
projects / msp430-binutils.git / blobdiff