#define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */
-/* Symbol n_desc flags. */
+/* 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
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 = 0xfeedface,
+ BFD_MACH_O_MH_CIGAM = 0xcefaedfe,
BFD_MACH_O_MH_MAGIC_64 = 0xfeedfacf,
BFD_MACH_O_MH_CIGAM_64 = 0xcffaedfe
}
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_64 = 5
+ 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_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_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_THREAD_STATE_NONE = 13
+ 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_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_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */
+ BFD_MACH_O_LC_DYLD_INFO = 0x22 /* Compressed dyld information. */
}
bfd_mach_o_load_command_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_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
/* User attributes. */
#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000
-/* Section has local relocation entries. */
-#define BFD_MACH_O_S_ATTR_LOC_RELOC 0x00000100
-
-/* Section has external relocation entries. */
-#define BFD_MACH_O_S_ATTR_EXT_RELOC 0x00000200
+typedef enum bfd_mach_o_section_attribute
+{
+ /* Section has local relocation entries. */
+ BFD_MACH_O_S_ATTR_LOC_RELOC = 0x00000100,
-/* Section contains some machine instructions. */
-#define BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS 0x00000400
+ /* Section has external relocation entries. */
+ BFD_MACH_O_S_ATTR_EXT_RELOC = 0x00000200,
-/* A debug section. */
-#define BFD_MACH_O_S_ATTR_DEBUG 0x02000000
+ /* Section contains some machine instructions. */
+ BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS = 0x00000400,
-/* Used with i386 stubs. */
-#define BFD_MACH_O_S_SELF_MODIFYING_CODE 0x04000000
+ /* A debug section. */
+ BFD_MACH_O_S_ATTR_DEBUG = 0x02000000,
-/* Blocks are live if they reference live blocks. */
-#define BFD_MACH_O_S_ATTR_LIVE_SUPPORT 0x08000000
+ /* 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. */
-#define BFD_MACH_O_S_ATTR_NO_DEAD_STRIP 0x10000000
+ /* No dead stripping. */
+ BFD_MACH_O_S_ATTR_NO_DEAD_STRIP = 0x10000000,
-/* Section symbols can be stripped in files with MH_DYLDLINK flag. */
-#define BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS 0x20000000
+ /* 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. */
-#define BFD_MACH_O_S_ATTR_NO_TOC 0x40000000
+ /* 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. */
-#define BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS 0x80000000
+ /* 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 nsects;
unsigned long flags;
bfd_mach_o_section *sections;
- asection *segment;
}
bfd_mach_o_segment_command;
#define BFD_MACH_O_LC_SEGMENT_SIZE 56
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
{
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 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_DYLINKER or LC_LOAD_DYLINKER. */
- 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;
+ 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 long cmd; /* LC_PREBOUND_DYLIB. */
- unsigned long cmdsize; /* Includes uuid. */
- unsigned char uuid[16]; /* Uuid. */
+ 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_dyld_info_command
+{
+ /* File offset and size to rebase info. */
+ unsigned int rebase_off;
+ unsigned int rebase_size;
+
+ /* File offset and size of binding info. */
+ unsigned int bind_off;
+ unsigned int bind_size;
+
+ /* File offset and size of weak binding info. */
+ unsigned int weak_bind_off;
+ unsigned int weak_bind_size;
+
+ /* File offset and size of lazy binding info. */
+ unsigned int lazy_bind_off;
+ unsigned int lazy_bind_size;
+
+ /* File offset and size of export info. */
+ unsigned int export_off;
+ unsigned int export_size;
+}
+bfd_mach_o_dyld_info_command;
+
typedef struct bfd_mach_o_load_command
{
bfd_mach_o_load_command_type type;
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;
+ bfd_mach_o_dyld_info_command dyld_info;
}
command;
}
/* 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;
}
-mach_o_data_struct;
-typedef struct mach_o_data_struct bfd_mach_o_data_struct;
+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 *);
}
bfd_mach_o_backend_data;
-#define bfd_get_mach_o_data(abfd) ((abfd)->tdata.mach_o_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_symtab_symbol (bfd *, bfd_mach_o_symtab_command *,
- bfd_mach_o_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 *, 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_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 *abfd ATTRIBUTE_UNUSED,
- asection *asect);
-long bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
- arelent **rels, asymbol **syms);
+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 *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 *abfd);
+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 *);
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