X-Git-Url: https://oss.titaniummirror.com/gitweb?p=msp430-binutils.git;a=blobdiff_plain;f=bfd%2Fmach-o.h;fp=bfd%2Fmach-o.h;h=0f48324f52f2a0d543dd022cb76da9a7fbe4df4d;hp=a5045396aa0863e37b407a544fd035c37721aabe;hb=88750007d7869f178f0ba528f41efd3b74c424cf;hpb=6df9443a374e2b81278c61b8afc0a1eef7db280b diff --git a/bfd/mach-o.h b/bfd/mach-o.h index a504539..0f48324 100644 --- a/bfd/mach-o.h +++ b/bfd/mach-o.h @@ -1,5 +1,5 @@ /* 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. @@ -24,39 +24,71 @@ #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 */ 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; @@ -89,10 +121,23 @@ typedef enum bfd_mach_o_load_command_type 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, @@ -106,10 +151,18 @@ typedef enum bfd_mach_o_cpu_type 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, @@ -123,6 +176,33 @@ typedef enum bfd_mach_o_filetype } 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 @@ -164,15 +244,85 @@ 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 { @@ -183,10 +333,16 @@ 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; @@ -201,33 +357,99 @@ typedef struct bfd_mach_o_section 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; @@ -268,6 +490,88 @@ 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 @@ -368,22 +672,30 @@ typedef struct bfd_mach_o_dysymtab_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; @@ -396,46 +708,72 @@ typedef struct bfd_mach_o_thread_command } 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; @@ -445,6 +783,9 @@ typedef struct bfd_mach_o_load_command 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; } @@ -452,40 +793,82 @@ bfd_mach_o_load_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_ */