/* Mach-O support for BFD.
- Copyright 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2015 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 2 of the License, or
+ 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,
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#ifndef _BFD_MACH_O_H_
#define _BFD_MACH_O_H_
#include "bfd.h"
+#include "mach-o/loader.h"
-#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. */
-
-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_flavour;
-
-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_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_load_command_type;
-
-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;
-
-typedef enum bfd_mach_o_filetype
- {
- BFD_MACH_O_MH_OBJECT = 1,
- BFD_MACH_O_MH_EXECUTE = 2,
- BFD_MACH_O_MH_FVMLIB = 3,
- BFD_MACH_O_MH_CORE = 4,
- BFD_MACH_O_MH_PRELOAD = 5,
- BFD_MACH_O_MH_DYLIB = 6,
- BFD_MACH_O_MH_DYLINKER = 7,
- BFD_MACH_O_MH_BUNDLE = 8
- }
-bfd_mach_o_filetype;
-
-/* 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
- }
-bfd_mach_o_section_type;
-
-typedef unsigned long bfd_mach_o_cpu_subtype;
+#ifdef __cplusplus
+extern "C" {
+#endif
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;
+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 flags;
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;
typedef struct bfd_mach_o_segment_command
{
- char segname[16];
+ char segname[BFD_MACH_O_SEGNAME_SIZE + 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;
+
+ /* Linked list of sections. */
+ bfd_mach_o_section *sect_head;
+ bfd_mach_o_section *sect_tail;
}
bfd_mach_o_segment_command;
+/* Protection flags. */
+#define BFD_MACH_O_PROT_READ 0x01
+#define BFD_MACH_O_PROT_WRITE 0x02
+#define BFD_MACH_O_PROT_EXECUTE 0x04
+
+/* 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;
+
+/* 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
{
- 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;
+
+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;
+
+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_TWOLEVEL_HINTS. */
+
+typedef struct bfd_mach_o_twolevel_hints_command
+{
+ /* Offset to the hint table. */
+ unsigned int offset;
+
+ /* Number of entries in the table. */
+ unsigned int nhints;
+}
+bfd_mach_o_twolevel_hints_command;
+
+/* For LC_PREBIND_CKSUM. */
+
+typedef struct bfd_mach_o_prebind_cksum_command
+{
+ /* Checksum or zero. */
+ unsigned int cksum;
+}
+bfd_mach_o_prebind_cksum_command;
+
+/* 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 int name_offset; /* 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 int name_offset; /* 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;
+ unsigned int name_offset; /* Library's path name. */
+ unsigned int nmodules; /* Number of modules in library. */
+ unsigned int linked_modules_offset; /* Bit vector of linked modules. */
+
+ char *name_str;
+ unsigned char *linked_modules;
}
bfd_mach_o_prebound_dylib_command;
+/* For LC_UUID. */
+
+typedef struct bfd_mach_o_uuid_command
+{
+ unsigned char uuid[16];
+}
+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_fvmlib_command
+{
+ unsigned int name_offset;
+ 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. */
+ unsigned int rebase_off;
+ unsigned int rebase_size;
+ unsigned char *rebase_content;
+
+ /* File offset and size of binding info. */
+ unsigned int bind_off;
+ unsigned int bind_size;
+ unsigned char *bind_content;
+
+ /* File offset and size of weak binding info. */
+ unsigned int weak_bind_off;
+ unsigned int weak_bind_size;
+ unsigned char *weak_bind_content;
+
+ /* File offset and size of lazy binding info. */
+ unsigned int lazy_bind_off;
+ unsigned int lazy_bind_size;
+ unsigned char *lazy_bind_content;
+
+ /* File offset and size of export info. */
+ unsigned int export_off;
+ unsigned int export_size;
+ unsigned char *export_content;
+}
+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_main_command
+{
+ bfd_uint64_t entryoff;
+ bfd_uint64_t stacksize;
+}
+bfd_mach_o_main_command;
+
+typedef struct bfd_mach_o_source_version_command
+{
+ unsigned int a;
+ unsigned short b;
+ unsigned short c;
+ unsigned short d;
+ unsigned short e;
+}
+bfd_mach_o_source_version_command;
+
typedef struct bfd_mach_o_load_command
{
+ /* Next command in the single linked list. */
+ struct bfd_mach_o_load_command *next;
+
+ /* Type and required flag. */
bfd_mach_o_load_command_type type;
- unsigned int type_required;
- bfd_vma offset;
- bfd_vma len;
+ bfd_boolean type_required;
+
+ /* Offset and length in the file. */
+ 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;
- }
- command;
+ bfd_mach_o_prebind_cksum_command prebind_cksum;
+ bfd_mach_o_twolevel_hints_command twolevel_hints;
+ bfd_mach_o_uuid_command uuid;
+ 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;
+ bfd_mach_o_main_command main;
+ bfd_mach_o_source_version_command source_version;
+ } command;
}
bfd_mach_o_load_command;
typedef struct mach_o_data_struct
{
+ /* Mach-O header. */
bfd_mach_o_header header;
- bfd_mach_o_load_command *commands;
- unsigned long nsymbols;
- asymbol *symbols;
+ /* Array of load commands (length is given by header.ncmds). */
+ bfd_mach_o_load_command *first_command;
+ bfd_mach_o_load_command *last_command;
+
+ /* Flatten array of sections. The array is 0-based. */
unsigned long nsects;
bfd_mach_o_section **sections;
- bfd *ibfd;
+
+ /* 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. 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;
}
-mach_o_data_struct;
-
-typedef struct mach_o_data_struct bfd_mach_o_data_struct;
-
-bfd_boolean bfd_mach_o_valid
- PARAMS ((bfd *));
-int bfd_mach_o_scan_read_symtab_symbol
- PARAMS ((bfd *, bfd_mach_o_symtab_command *, asymbol *, unsigned long));
-int bfd_mach_o_scan_read_symtab_strtab
- PARAMS ((bfd *, bfd_mach_o_symtab_command *));
-int bfd_mach_o_scan_read_symtab_symbols
- PARAMS ((bfd *, bfd_mach_o_symtab_command *));
-int bfd_mach_o_scan_read_dysymtab_symbol
- PARAMS ((bfd *, bfd_mach_o_dysymtab_command *, bfd_mach_o_symtab_command *,
- asymbol *, unsigned long));
-int bfd_mach_o_scan_start_address
- PARAMS ((bfd *));
-int bfd_mach_o_scan
- PARAMS ((bfd *, bfd_mach_o_header *, bfd_mach_o_data_struct *));
-bfd_boolean bfd_mach_o_mkobject
- PARAMS ((bfd *));
-const bfd_target * bfd_mach_o_object_p
- PARAMS ((bfd *));
-const bfd_target * bfd_mach_o_core_p
- PARAMS ((bfd *));
-const bfd_target * bfd_mach_o_archive_p
- PARAMS ((bfd *));
-bfd * bfd_mach_o_openr_next_archived_file
- PARAMS ((bfd *, bfd *));
-int bfd_mach_o_lookup_section
- PARAMS ((bfd *, asection *, bfd_mach_o_load_command **,
- bfd_mach_o_section **));
-int bfd_mach_o_lookup_command
- PARAMS ((bfd *, bfd_mach_o_load_command_type, bfd_mach_o_load_command **));
-unsigned long bfd_mach_o_stack_addr
- PARAMS ((enum bfd_mach_o_cpu_type));
-int bfd_mach_o_core_fetch_environment
- PARAMS ((bfd *, unsigned char **, unsigned int *));
-char * bfd_mach_o_core_file_failing_command
- PARAMS ((bfd *));
-int bfd_mach_o_core_file_failing_signal
- PARAMS ((bfd *));
-bfd_boolean bfd_mach_o_core_file_matches_executable_p
- PARAMS ((bfd *, bfd *));
-
-extern const bfd_target mach_o_be_vec;
-extern const bfd_target mach_o_le_vec;
+bfd_mach_o_data_struct;
+
+typedef struct bfd_mach_o_xlat_name
+{
+ const char *name;
+ unsigned long val;
+}
+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 *);
+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 *);
+bfd_boolean bfd_mach_o_set_arch_mach (bfd *, enum bfd_architecture,
+ unsigned long);
+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_header_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 **, asymbol **ret);
+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 *, void *, asymbol *, bfd_print_symbol_type);
+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 *);
+
+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 *, asymbol **,
+ asection *, bfd_vma,
+ const char **, const char **,
+ unsigned int *, unsigned int *);
+#define bfd_mach_o_find_line _bfd_nosymbols_find_line
+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);
+
+bfd_vma bfd_mach_o_get_base_address (bfd *);
+
+/* 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_vma page_size;
+ 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)
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* _BFD_MACH_O_H_ */