diff options
Diffstat (limited to 'include/mach-o')
-rw-r--r-- | include/mach-o/ChangeLog | 51 | ||||
-rw-r--r-- | include/mach-o/codesign.h | 85 | ||||
-rw-r--r-- | include/mach-o/external.h | 326 | ||||
-rw-r--r-- | include/mach-o/loader.h | 360 | ||||
-rw-r--r-- | include/mach-o/reloc.h | 33 | ||||
-rw-r--r-- | include/mach-o/x86-64.h | 37 |
6 files changed, 892 insertions, 0 deletions
diff --git a/include/mach-o/ChangeLog b/include/mach-o/ChangeLog new file mode 100644 index 000000000..19eacd0c5 --- /dev/null +++ b/include/mach-o/ChangeLog @@ -0,0 +1,51 @@ +2012-02-23 Iain Sandoe <idsandoe@googlemail.com> + + * external.h: Add comments about relocations fields. Add macros + for non-scattered relocations. Move scattered relocation macros to + here. + * reloc.h: Remove macros related to external representation of reloc + fields. + +2012-01-12 Iain Sandoe <idsandoe@googlemail.com> + + * loader.h (BFD_MACH_O_INDIRECT_SYM_LOCAL): New. + (BFD_MACH_O_INDIRECT_SYM_ABS): New + +2012-01-04 Tristan Gingold <gingold@adacore.com> + + * external.h (mach_o_fvmlib_command_external): New structure. + +2012-01-04 Tristan Gingold <gingold@adacore.com> + + * loader.h: Update copyright year. + (bfd_mach_o_cpu_subtype): Add ARM subtypes. + +2012-01-04 Tristan Gingold <gingold@adacore.com> + + * external.h: Update copyright year. + (mach_o_symtab_command_external): Add comments. + (mach_o_encryption_info_command_external): New structure. + +2011-12-16 Tristan Gingold <gingold@adacore.com> + + * codesign.h: New file. + +2011-08-08 Tristan Gingold <gingold@adacore.com> + + * loader.h (bfd_mach_o_load_command_type): Add + BFD_MACH_O_LC_LOAD_UPWARD_DYLIB, BFD_MACH_O_LC_VERSION_MIN_MACOSX, + BFD_MACH_O_LC_VERSION_MIN_IPHONEOS, BFD_MACH_O_LC_FUNCTION_STARTS, + and BFD_MACH_O_LC_DYLD_ENVIRONMENT. + * external.h (mach_o_version_min_command_external): New structure. + +2011-08-08 Tristan Gingold <gingold@adacore.com> + + * loader.h: Reorder declarations. + * x86-64.h: New file. + * external.h: New file. + * reloc.h: New file. + +2011-07-06 Tristan Gingold <gingold@adacore.com> + + * loader.h: New file. + diff --git a/include/mach-o/codesign.h b/include/mach-o/codesign.h new file mode 100644 index 000000000..ee2f792ac --- /dev/null +++ b/include/mach-o/codesign.h @@ -0,0 +1,85 @@ +/* Mach-O support for BFD. + Copyright 2011 + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _MACH_O_CODESIGN_H +#define _MACH_O_CODESIGN_H + +/* Codesign blob magics. */ + +/* Superblob containing all the components. */ +#define BFD_MACH_O_CS_MAGIC_EMBEDDED_SIGNATURE 0xfade0cc0 + +/* Individual code requirement. */ +#define BFD_MACH_O_CS_MAGIC_REQUIREMENT 0xfade0c00 + +/* Collection of code requirements, indexed by type. */ +#define BFD_MACH_O_CS_MAGIC_REQUIREMENTS 0xfade0c01 + +/* Directory. */ +#define BFD_MACH_O_CS_MAGIC_CODEDIRECTORY 0xfade0c02 + +/* Entitlements blob. */ +#define BFD_MACH_O_CS_MAGIC_EMBEDDED_ENTITLEMENTS 0xfade7171 + +/* Blob container. */ +#define BFD_MACH_O_CS_MAGIC_BLOB_WRAPPER 0xfade0b01 + +struct mach_o_codesign_codedirectory_external_v1 +{ + /* All the fields are in network byte order (big endian). */ + unsigned char version[4]; + unsigned char flags[4]; + unsigned char hash_offset[4]; + unsigned char ident_offset[4]; + unsigned char nbr_special_slots[4]; + unsigned char nbr_code_slots[4]; + unsigned char code_limit[4]; + unsigned char hash_size[1]; + unsigned char hash_type[1]; + unsigned char spare1[1]; + unsigned char page_size[1]; + unsigned char spare2[4]; +}; + +struct mach_o_codesign_codedirectory_v1 +{ + unsigned int version; + unsigned int flags; + unsigned int hash_offset; + unsigned int ident_offset; + unsigned int nbr_special_slots; + unsigned int nbr_code_slots; + unsigned int code_limit; + unsigned char hash_size; + unsigned char hash_type; + unsigned char spare1; + unsigned char page_size; + unsigned int spare2; +}; + +/* Value for hash_type. */ +#define BFD_MACH_O_CS_NO_HASH 0 +#define BFD_MACH_O_CS_HASH_SHA1 1 +#define BFD_MACH_O_CS_HASH_SHA256 2 +#define BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_160x256 32 /* Skein, 160 bits */ +#define BFD_MACH_O_CS_HASH_PRESTANDARD_SKEIN_256x512 33 /* Skein, 256 bits */ + +#endif /* _MACH_O_CODESIGN_H */ diff --git a/include/mach-o/external.h b/include/mach-o/external.h new file mode 100644 index 000000000..41a293250 --- /dev/null +++ b/include/mach-o/external.h @@ -0,0 +1,326 @@ +/* Mach-O support for BFD. + Copyright 2011, 2012 + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _MACH_O_EXTERNAL_H +#define _MACH_O_EXTERNAL_H + +struct mach_o_header_external +{ + unsigned char magic[4]; /* Magic number. */ + unsigned char cputype[4]; /* CPU that this object is for. */ + unsigned char cpusubtype[4]; /* CPU subtype. */ + unsigned char filetype[4]; /* Type of file. */ + unsigned char ncmds[4]; /* Number of load commands. */ + unsigned char sizeofcmds[4]; /* Total size of load commands. */ + unsigned char flags[4]; /* Flags. */ + unsigned char reserved[4]; /* Reserved (on 64-bit version only). */ +}; + +#define BFD_MACH_O_HEADER_SIZE 28 +#define BFD_MACH_O_HEADER_64_SIZE 32 + +/* 32-bit section header. */ + +struct mach_o_section_32_external +{ + unsigned char sectname[16]; /* Section name. */ + unsigned char segname[16]; /* Segment that the section belongs to. */ + unsigned char addr[4]; /* Address of this section in memory. */ + unsigned char size[4]; /* Size in bytes of this section. */ + unsigned char offset[4]; /* File offset of this section. */ + unsigned char align[4]; /* log2 of this section's alignment. */ + unsigned char reloff[4]; /* File offset of this section's relocs. */ + unsigned char nreloc[4]; /* Number of relocs for this section. */ + unsigned char flags[4]; /* Section flags/attributes. */ + unsigned char reserved1[4]; + unsigned char reserved2[4]; +}; +#define BFD_MACH_O_SECTION_SIZE 68 + +/* 64-bit section header. */ + +struct mach_o_section_64_external +{ + unsigned char sectname[16]; /* Section name. */ + unsigned char segname[16]; /* Segment that the section belongs to. */ + unsigned char addr[8]; /* Address of this section in memory. */ + unsigned char size[8]; /* Size in bytes of this section. */ + unsigned char offset[4]; /* File offset of this section. */ + unsigned char align[4]; /* log2 of this section's alignment. */ + unsigned char reloff[4]; /* File offset of this section's relocs. */ + unsigned char nreloc[4]; /* Number of relocs for this section. */ + unsigned char flags[4]; /* Section flags/attributes. */ + unsigned char reserved1[4]; + unsigned char reserved2[4]; + unsigned char reserved3[4]; +}; +#define BFD_MACH_O_SECTION_64_SIZE 80 + +struct mach_o_load_command_external +{ + unsigned char cmd[4]; /* The type of load command. */ + unsigned char cmdsize[4]; /* Size in bytes of entire command. */ +}; +#define BFD_MACH_O_LC_SIZE 8 + +struct mach_o_segment_command_32_external +{ + unsigned char segname[16]; /* Name of this segment. */ + unsigned char vmaddr[4]; /* Virtual memory address of this segment. */ + unsigned char vmsize[4]; /* Size there, in bytes. */ + unsigned char fileoff[4]; /* Offset in bytes of the data to be mapped. */ + unsigned char filesize[4]; /* Size in bytes on disk. */ + unsigned char maxprot[4]; /* Maximum permitted vm protection. */ + unsigned char initprot[4]; /* Initial vm protection. */ + unsigned char nsects[4]; /* Number of sections in this segment. */ + unsigned char flags[4]; /* Flags that affect the loading. */ +}; +#define BFD_MACH_O_LC_SEGMENT_SIZE 56 /* Include the header. */ + +struct mach_o_segment_command_64_external +{ + unsigned char segname[16]; /* Name of this segment. */ + unsigned char vmaddr[8]; /* Virtual memory address of this segment. */ + unsigned char vmsize[8]; /* Size there, in bytes. */ + unsigned char fileoff[8]; /* Offset in bytes of the data to be mapped. */ + unsigned char filesize[8]; /* Size in bytes on disk. */ + unsigned char maxprot[4]; /* Maximum permitted vm protection. */ + unsigned char initprot[4]; /* Initial vm protection. */ + unsigned char nsects[4]; /* Number of sections in this segment. */ + unsigned char flags[4]; /* Flags that affect the loading. */ +}; +#define BFD_MACH_O_LC_SEGMENT_64_SIZE 72 /* Include the header. */ + +struct mach_o_reloc_info_external +{ + unsigned char r_address[4]; + unsigned char r_symbolnum[4]; +}; +#define BFD_MACH_O_RELENT_SIZE 8 + +/* Relocations are based on 'address' being a section offset and an assumption + that sections are never more than 2^24-1 bytes in size. Relocation data + also carry information on type/size/PC-relative/extern and whether scattered + or not [stored in the MSB of the r_address]. */ + +#define BFD_MACH_O_SR_SCATTERED 0x80000000 + +/* For a non-scattered reloc, the relocation info is found in r_symbolnum. + Bytes 1 to 3 contain the symbol number (0xffffff, in a non-scattered PAIR). + Byte 4 contains the relocation info - but with differing bit-positions + dependent on target endian-ness - as below. */ + +#define BFD_MACH_O_LE_PCREL 0x01 +#define BFD_MACH_O_LE_LENGTH_SHIFT 1 +#define BFD_MACH_O_LE_EXTERN 0x08 +#define BFD_MACH_O_LE_TYPE_SHIFT 4 + +#define BFD_MACH_O_BE_PCREL 0x80 +#define BFD_MACH_O_BE_LENGTH_SHIFT 5 +#define BFD_MACH_O_BE_EXTERN 0x10 +#define BFD_MACH_O_BE_TYPE_SHIFT 0 + +/* The field sizes are the same for both BE and LE. */ +#define BFD_MACH_O_LENGTH_MASK 0x03 +#define BFD_MACH_O_TYPE_MASK 0x0f + +/* For a scattered reloc entry the info is contained in r_address. There + is no need to discriminate on target endian-ness, since the design was + arranged to produce the same layout on both. Scattered relocations are + only used for local items, therefore there is no 'extern' field. */ + +#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) + +struct mach_o_symtab_command_external +{ + unsigned char symoff[4]; /* File offset of the symbol table. */ + unsigned char nsyms[4]; /* Number of symbols. */ + unsigned char stroff[4]; /* File offset of the string table. */ + unsigned char strsize[4]; /* String table size. */ +}; + +struct mach_o_nlist_external +{ + unsigned char n_strx[4]; + unsigned char n_type[1]; + unsigned char n_sect[1]; + unsigned char n_desc[2]; + unsigned char n_value[4]; +}; +#define BFD_MACH_O_NLIST_SIZE 12 + +struct mach_o_nlist_64_external +{ + unsigned char n_strx[4]; + unsigned char n_type[1]; + unsigned char n_sect[1]; + unsigned char n_desc[2]; + unsigned char n_value[8]; +}; +#define BFD_MACH_O_NLIST_64_SIZE 16 + +struct mach_o_thread_command_external +{ + unsigned char flavour[4]; + unsigned char count[4]; +}; + +/* For commands that just have a string or a path. */ +struct mach_o_str_command_external +{ + unsigned char str[4]; +}; + +struct mach_o_dylib_command_external +{ + unsigned char name[4]; + unsigned char timestamp[4]; + unsigned char current_version[4]; + unsigned char compatibility_version[4]; +}; + +struct mach_o_dysymtab_command_external +{ + unsigned char ilocalsym[4]; /* Index of. */ + unsigned char nlocalsym[4]; /* Number of. */ + unsigned char iextdefsym[4]; + unsigned char nextdefsym[4]; + unsigned char iundefsym[4]; + unsigned char nundefsym[4]; + unsigned char tocoff[4]; + unsigned char ntoc[4]; + unsigned char modtaboff[4]; + unsigned char nmodtab[4]; + unsigned char extrefsymoff[4]; + unsigned char nextrefsyms[4]; + unsigned char indirectsymoff[4]; + unsigned char nindirectsyms[4]; + unsigned char extreloff[4]; + unsigned char nextrel[4]; + unsigned char locreloff[4]; + unsigned char nlocrel[4]; +}; + +struct mach_o_dylib_module_external +{ + unsigned char module_name[4]; + unsigned char iextdefsym[4]; + unsigned char nextdefsym[4]; + unsigned char irefsym[4]; + unsigned char nrefsym[4]; + unsigned char ilocalsym[4]; + unsigned char nlocalsym[4]; + unsigned char iextrel[4]; + unsigned char nextrel[4]; + unsigned char iinit_iterm[4]; + unsigned char ninit_nterm[4]; + unsigned char objc_module_info_addr[4]; + unsigned char objc_module_info_size[4]; +}; +#define BFD_MACH_O_DYLIB_MODULE_SIZE 52 + +struct mach_o_dylib_module_64_external +{ + unsigned char module_name[4]; + unsigned char iextdefsym[4]; + unsigned char nextdefsym[4]; + unsigned char irefsym[4]; + unsigned char nrefsym[4]; + unsigned char ilocalsym[4]; + unsigned char nlocalsym[4]; + unsigned char iextrel[4]; + unsigned char nextrel[4]; + unsigned char iinit_iterm[4]; + unsigned char ninit_nterm[4]; + unsigned char objc_module_info_size[4]; + unsigned char objc_module_info_addr[8]; +}; +#define BFD_MACH_O_DYLIB_MODULE_64_SIZE 56 + +struct mach_o_dylib_table_of_contents_external +{ + unsigned char symbol_index[4]; + unsigned char module_index[4]; +}; +#define BFD_MACH_O_TABLE_OF_CONTENT_SIZE 8 + +struct mach_o_linkedit_data_command_external +{ + unsigned char dataoff[4]; + unsigned char datasize[4]; +}; + +struct mach_o_dyld_info_command_external +{ + unsigned char rebase_off[4]; + unsigned char rebase_size[4]; + unsigned char bind_off[4]; + unsigned char bind_size[4]; + unsigned char weak_bind_off[4]; + unsigned char weak_bind_size[4]; + unsigned char lazy_bind_off[4]; + unsigned char lazy_bind_size[4]; + unsigned char export_off[4]; + unsigned char export_size[4]; +}; + +struct mach_o_version_min_command_external +{ + unsigned char version[4]; + unsigned char reserved[4]; +}; + +struct mach_o_encryption_info_command_external +{ + unsigned char cryptoff[4]; /* File offset of the encrypted area. */ + unsigned char cryptsize[4]; /* Size of the encrypted area. */ + unsigned char cryptid[4]; /* Encryption method. */ +}; + +struct mach_o_fvmlib_command_external +{ + unsigned char name[4]; /* Offset of the name. */ + unsigned char minor_version[4]; + unsigned char header_addr[4]; +}; + +struct mach_o_fat_header_external +{ + unsigned char magic[4]; + unsigned char nfat_arch[4]; /* Number of components. */ +}; + +struct mach_o_fat_arch_external +{ + unsigned char cputype[4]; + unsigned char cpusubtype[4]; + unsigned char offset[4]; /* File offset of the member. */ + unsigned char size[4]; /* Size of the member. */ + unsigned char align[4]; /* Power of 2. */ +}; + +#endif /* _MACH_O_EXTERNAL_H */ diff --git a/include/mach-o/loader.h b/include/mach-o/loader.h new file mode 100644 index 000000000..1b9b15efe --- /dev/null +++ b/include/mach-o/loader.h @@ -0,0 +1,360 @@ +/* Mach-O support for BFD. + Copyright 2011, 2012 + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _MACH_O_LOADER_H +#define _MACH_O_LOADER_H + +/* Constants for header. */ + +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; + +#define BFD_MACH_O_CPU_IS64BIT 0x1000000 + +typedef enum bfd_mach_o_cpu_type +{ + BFD_MACH_O_CPU_TYPE_VAX = 1, + BFD_MACH_O_CPU_TYPE_MC680x0 = 6, + BFD_MACH_O_CPU_TYPE_I386 = 7, + BFD_MACH_O_CPU_TYPE_MIPS = 8, + BFD_MACH_O_CPU_TYPE_MC98000 = 10, + BFD_MACH_O_CPU_TYPE_HPPA = 11, + BFD_MACH_O_CPU_TYPE_ARM = 12, + BFD_MACH_O_CPU_TYPE_MC88000 = 13, + BFD_MACH_O_CPU_TYPE_SPARC = 14, + BFD_MACH_O_CPU_TYPE_I860 = 15, + BFD_MACH_O_CPU_TYPE_ALPHA = 16, + BFD_MACH_O_CPU_TYPE_POWERPC = 18, + BFD_MACH_O_CPU_TYPE_POWERPC_64 = (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT), + BFD_MACH_O_CPU_TYPE_X86_64 = (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT) +} +bfd_mach_o_cpu_type; + +typedef enum bfd_mach_o_cpu_subtype +{ + /* i386. */ + BFD_MACH_O_CPU_SUBTYPE_X86_ALL = 3, + + /* arm. */ + BFD_MACH_O_CPU_SUBTYPE_ARM_ALL = 0, + BFD_MACH_O_CPU_SUBTYPE_ARM_V4T = 5, + BFD_MACH_O_CPU_SUBTYPE_ARM_V6 = 6, + BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ = 7, + BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE = 8, + BFD_MACH_O_CPU_SUBTYPE_ARM_V7 = 9 +} +bfd_mach_o_cpu_subtype; + +typedef enum bfd_mach_o_filetype +{ + BFD_MACH_O_MH_OBJECT = 0x01, + BFD_MACH_O_MH_EXECUTE = 0x02, + BFD_MACH_O_MH_FVMLIB = 0x03, + BFD_MACH_O_MH_CORE = 0x04, + BFD_MACH_O_MH_PRELOAD = 0x05, + BFD_MACH_O_MH_DYLIB = 0x06, + BFD_MACH_O_MH_DYLINKER = 0x07, + BFD_MACH_O_MH_BUNDLE = 0x08, + BFD_MACH_O_MH_DYLIB_STUB = 0x09, + BFD_MACH_O_MH_DSYM = 0x0a, + BFD_MACH_O_MH_KEXT_BUNDLE = 0x0b +} +bfd_mach_o_filetype; + +typedef enum bfd_mach_o_header_flags +{ + BFD_MACH_O_MH_NOUNDEFS = 0x0000001, + BFD_MACH_O_MH_INCRLINK = 0x0000002, + BFD_MACH_O_MH_DYLDLINK = 0x0000004, + BFD_MACH_O_MH_BINDATLOAD = 0x0000008, + BFD_MACH_O_MH_PREBOUND = 0x0000010, + BFD_MACH_O_MH_SPLIT_SEGS = 0x0000020, + BFD_MACH_O_MH_LAZY_INIT = 0x0000040, + BFD_MACH_O_MH_TWOLEVEL = 0x0000080, + BFD_MACH_O_MH_FORCE_FLAT = 0x0000100, + BFD_MACH_O_MH_NOMULTIDEFS = 0x0000200, + BFD_MACH_O_MH_NOFIXPREBINDING = 0x0000400, + BFD_MACH_O_MH_PREBINDABLE = 0x0000800, + BFD_MACH_O_MH_ALLMODSBOUND = 0x0001000, + BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS = 0x0002000, + BFD_MACH_O_MH_CANONICAL = 0x0004000, + BFD_MACH_O_MH_WEAK_DEFINES = 0x0008000, + BFD_MACH_O_MH_BINDS_TO_WEAK = 0x0010000, + BFD_MACH_O_MH_ALLOW_STACK_EXECUTION = 0x0020000, + BFD_MACH_O_MH_ROOT_SAFE = 0x0040000, + BFD_MACH_O_MH_SETUID_SAFE = 0x0080000, + BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS = 0x0100000, + BFD_MACH_O_MH_PIE = 0x0200000, + BFD_MACH_O_MH_DEAD_STRIPPABLE_DYLIB = 0x0400000, + BFD_MACH_O_MH_HAS_TLV_DESCRIPTORS = 0x0800000, + BFD_MACH_O_MH_NO_HEAP_EXECUTION = 0x1000000 +} +bfd_mach_o_header_flags; + +/* Load command constants. */ +#define BFD_MACH_O_LC_REQ_DYLD 0x80000000 + +typedef enum bfd_mach_o_load_command_type +{ + BFD_MACH_O_LC_SEGMENT = 0x1, /* File segment to be mapped. */ + BFD_MACH_O_LC_SYMTAB = 0x2, /* Link-edit stab symbol table info (obsolete). */ + BFD_MACH_O_LC_SYMSEG = 0x3, /* Link-edit gdb symbol table info. */ + BFD_MACH_O_LC_THREAD = 0x4, /* Thread. */ + BFD_MACH_O_LC_UNIXTHREAD = 0x5, /* UNIX thread (includes a stack). */ + BFD_MACH_O_LC_LOADFVMLIB = 0x6, /* Load a fixed VM shared library. */ + BFD_MACH_O_LC_IDFVMLIB = 0x7, /* Fixed VM shared library id. */ + BFD_MACH_O_LC_IDENT = 0x8, /* Object identification information (obsolete). */ + BFD_MACH_O_LC_FVMFILE = 0x9, /* Fixed VM file inclusion. */ + BFD_MACH_O_LC_PREPAGE = 0xa, /* Prepage command (internal use). */ + BFD_MACH_O_LC_DYSYMTAB = 0xb, /* Dynamic link-edit symbol table info. */ + BFD_MACH_O_LC_LOAD_DYLIB = 0xc, /* Load a dynamically linked shared library. */ + BFD_MACH_O_LC_ID_DYLIB = 0xd, /* Dynamically linked shared lib identification. */ + BFD_MACH_O_LC_LOAD_DYLINKER = 0xe, /* Load a dynamic linker. */ + BFD_MACH_O_LC_ID_DYLINKER = 0xf, /* Dynamic linker identification. */ + BFD_MACH_O_LC_PREBOUND_DYLIB = 0x10, /* Modules prebound for a dynamically. */ + BFD_MACH_O_LC_ROUTINES = 0x11, /* Image routines. */ + BFD_MACH_O_LC_SUB_FRAMEWORK = 0x12, /* Sub framework. */ + BFD_MACH_O_LC_SUB_UMBRELLA = 0x13, /* Sub umbrella. */ + BFD_MACH_O_LC_SUB_CLIENT = 0x14, /* Sub client. */ + BFD_MACH_O_LC_SUB_LIBRARY = 0x15, /* Sub library. */ + BFD_MACH_O_LC_TWOLEVEL_HINTS = 0x16, /* Two-level namespace lookup hints. */ + BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, /* Prebind checksum. */ + /* Load a dynamically linked shared library that is allowed to be + missing (weak). */ + BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18, + BFD_MACH_O_LC_SEGMENT_64 = 0x19, /* 64-bit segment of this file to be + mapped. */ + BFD_MACH_O_LC_ROUTINES_64 = 0x1a, /* Address of the dyld init routine + in a dylib. */ + BFD_MACH_O_LC_UUID = 0x1b, /* 128-bit UUID of the executable. */ + BFD_MACH_O_LC_RPATH = 0x1c, /* Run path addiions. */ + BFD_MACH_O_LC_CODE_SIGNATURE = 0x1d, /* Local of code signature. */ + BFD_MACH_O_LC_SEGMENT_SPLIT_INFO = 0x1e, /* Local of info to split seg. */ + BFD_MACH_O_LC_REEXPORT_DYLIB = 0x1f, /* Load and re-export lib. */ + BFD_MACH_O_LC_LAZY_LOAD_DYLIB = 0x20, /* Delay load of lib until use. */ + BFD_MACH_O_LC_ENCRYPTION_INFO = 0x21, /* Encrypted segment info. */ + BFD_MACH_O_LC_DYLD_INFO = 0x22, /* Compressed dyld information. */ + BFD_MACH_O_LC_LOAD_UPWARD_DYLIB = 0x23, /* Load upward dylib. */ + BFD_MACH_O_LC_VERSION_MIN_MACOSX = 0x24, /* Minimal MacOSX version. */ + BFD_MACH_O_LC_VERSION_MIN_IPHONEOS = 0x25, /* Minimal IOS version. */ + BFD_MACH_O_LC_FUNCTION_STARTS = 0x26, /* Compressed table of func start. */ + BFD_MACH_O_LC_DYLD_ENVIRONMENT = 0x27 /* Env variable string for dyld. */ +} +bfd_mach_o_load_command_type; + +/* Section constants. */ +/* Constants for the type of a section. */ + +typedef enum bfd_mach_o_section_type +{ + /* Regular section. */ + BFD_MACH_O_S_REGULAR = 0x0, + + /* Zero fill on demand section. */ + BFD_MACH_O_S_ZEROFILL = 0x1, + + /* Section with only literal C strings. */ + BFD_MACH_O_S_CSTRING_LITERALS = 0x2, + + /* Section with only 4 byte literals. */ + BFD_MACH_O_S_4BYTE_LITERALS = 0x3, + + /* Section with only 8 byte literals. */ + BFD_MACH_O_S_8BYTE_LITERALS = 0x4, + + /* Section with only pointers to literals. */ + BFD_MACH_O_S_LITERAL_POINTERS = 0x5, + + /* For the two types of symbol pointers sections and the symbol stubs + section they have indirect symbol table entries. For each of the + entries in the section the indirect symbol table entries, in + corresponding order in the indirect symbol table, start at the index + stored in the reserved1 field of the section structure. Since the + indirect symbol table entries correspond to the entries in the + section the number of indirect symbol table entries is inferred from + the size of the section divided by the size of the entries in the + section. For symbol pointers sections the size of the entries in + the section is 4 bytes and for symbol stubs sections the byte size + of the stubs is stored in the reserved2 field of the section + structure. */ + + /* Section with only non-lazy symbol pointers. */ + BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS = 0x6, + + /* Section with only lazy symbol pointers. */ + BFD_MACH_O_S_LAZY_SYMBOL_POINTERS = 0x7, + + /* Section with only symbol stubs, byte size of stub in the reserved2 + field. */ + BFD_MACH_O_S_SYMBOL_STUBS = 0x8, + + /* Section with only function pointers for initialization. */ + BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS = 0x9, + + /* Section with only function pointers for termination. */ + BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS = 0xa, + + /* Section contains symbols that are coalesced by the linkers. */ + BFD_MACH_O_S_COALESCED = 0xb, + + /* Zero fill on demand section (possibly larger than 4 GB). */ + BFD_MACH_O_S_GB_ZEROFILL = 0xc, + + /* Section with only pairs of function pointers for interposing. */ + BFD_MACH_O_S_INTERPOSING = 0xd, + + /* Section with only 16 byte literals. */ + BFD_MACH_O_S_16BYTE_LITERALS = 0xe, + + /* Section contains DTrace Object Format. */ + BFD_MACH_O_S_DTRACE_DOF = 0xf, + + /* Section with only lazy symbol pointers to lazy loaded dylibs. */ + BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10 +} +bfd_mach_o_section_type; + +/* The flags field of a section structure is separated into two parts a section + type and section attributes. The section types are mutually exclusive (it + can only have one type) but the section attributes are not (it may have more + than one attribute). */ + +#define BFD_MACH_O_SECTION_TYPE_MASK 0x000000ff + +/* Constants for the section attributes part of the flags field of a section + structure. */ +#define BFD_MACH_O_SECTION_ATTRIBUTES_MASK 0xffffff00 +/* System setable attributes. */ +#define BFD_MACH_O_SECTION_ATTRIBUTES_SYS 0x00ffff00 +/* User attributes. */ +#define BFD_MACH_O_SECTION_ATTRIBUTES_USR 0xff000000 + +typedef enum bfd_mach_o_section_attribute +{ + /* Section has no specified attibutes. */ + BFD_MACH_O_S_ATTR_NONE = 0, + + /* 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; + +/* Symbol constants. */ + +/* Symbol n_type values. */ +#define BFD_MACH_O_N_STAB 0xe0 /* If any of these bits set, a symbolic debugging entry. */ +#define BFD_MACH_O_N_PEXT 0x10 /* Private external symbol bit. */ +#define BFD_MACH_O_N_TYPE 0x0e /* Mask for the type bits. */ +#define BFD_MACH_O_N_EXT 0x01 /* External symbol bit, set for external symbols. */ +#define BFD_MACH_O_N_UNDF 0x00 /* Undefined, n_sect == NO_SECT. */ +#define BFD_MACH_O_N_ABS 0x02 /* Absolute, n_sect == NO_SECT. */ +#define BFD_MACH_O_N_INDR 0x0a /* Indirect. */ +#define BFD_MACH_O_N_PBUD 0x0c /* Prebound undefined (defined in a dylib). */ +#define BFD_MACH_O_N_SECT 0x0e /* Defined in section number n_sect. */ + +#define BFD_MACH_O_NO_SECT 0 /* Symbol not in any section of the image. */ + +/* Symbol n_desc reference flags. */ +#define BFD_MACH_O_REFERENCE_MASK 0x0f +#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_NON_LAZY 0x00 +#define BFD_MACH_O_REFERENCE_FLAG_UNDEFINED_LAZY 0x01 +#define BFD_MACH_O_REFERENCE_FLAG_DEFINED 0x02 +#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_DEFINED 0x03 +#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY 0x04 +#define BFD_MACH_O_REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY 0x05 + +#define BFD_MACH_O_REFERENCED_DYNAMICALLY 0x10 +#define BFD_MACH_O_N_DESC_DISCARDED 0x20 +#define BFD_MACH_O_N_NO_DEAD_STRIP 0x20 +#define BFD_MACH_O_N_WEAK_REF 0x40 +#define BFD_MACH_O_N_WEAK_DEF 0x80 + +#define BFD_MACH_O_INDIRECT_SYM_LOCAL 0x80000000 +#define BFD_MACH_O_INDIRECT_SYM_ABS 0x40000000 + +/* Thread constants. */ + +typedef enum bfd_mach_o_ppc_thread_flavour +{ + BFD_MACH_O_PPC_THREAD_STATE = 1, + BFD_MACH_O_PPC_FLOAT_STATE = 2, + BFD_MACH_O_PPC_EXCEPTION_STATE = 3, + BFD_MACH_O_PPC_VECTOR_STATE = 4, + BFD_MACH_O_PPC_THREAD_STATE64 = 5, + BFD_MACH_O_PPC_EXCEPTION_STATE64 = 6, + BFD_MACH_O_PPC_THREAD_STATE_NONE = 7 +} +bfd_mach_o_ppc_thread_flavour; + +/* Defined in <mach/i386/thread_status.h> */ +typedef enum bfd_mach_o_i386_thread_flavour +{ + BFD_MACH_O_x86_THREAD_STATE32 = 1, + BFD_MACH_O_x86_FLOAT_STATE32 = 2, + BFD_MACH_O_x86_EXCEPTION_STATE32 = 3, + BFD_MACH_O_x86_THREAD_STATE64 = 4, + BFD_MACH_O_x86_FLOAT_STATE64 = 5, + BFD_MACH_O_x86_EXCEPTION_STATE64 = 6, + BFD_MACH_O_x86_THREAD_STATE = 7, + BFD_MACH_O_x86_FLOAT_STATE = 8, + BFD_MACH_O_x86_EXCEPTION_STATE = 9, + BFD_MACH_O_x86_DEBUG_STATE32 = 10, + BFD_MACH_O_x86_DEBUG_STATE64 = 11, + BFD_MACH_O_x86_DEBUG_STATE = 12, + BFD_MACH_O_x86_THREAD_STATE_NONE = 13 +} +bfd_mach_o_i386_thread_flavour; + +#endif /* _MACH_O_LOADER_H */ diff --git a/include/mach-o/reloc.h b/include/mach-o/reloc.h new file mode 100644 index 000000000..bab31efeb --- /dev/null +++ b/include/mach-o/reloc.h @@ -0,0 +1,33 @@ +/* Mach-O support for BFD. + Copyright 2011, 2012 + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _MACH_O_RELOC_H +#define _MACH_O_RELOC_H + +/* 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 +#define BFD_MACH_O_GENERIC_RELOC_TLV 5 + +#endif /* _MACH_O_RELOC_H */ diff --git a/include/mach-o/x86-64.h b/include/mach-o/x86-64.h new file mode 100644 index 000000000..d06bc26a7 --- /dev/null +++ b/include/mach-o/x86-64.h @@ -0,0 +1,37 @@ +/* Mach-O support for BFD. + Copyright 2011 + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _MACH_O_X86_64_H +#define _MACH_O_X86_64_H + +/* X86-64 relocations. */ +#define BFD_MACH_O_X86_64_RELOC_UNSIGNED 0 /* Absolute addresses. */ +#define BFD_MACH_O_X86_64_RELOC_SIGNED 1 /* 32-bit disp. */ +#define BFD_MACH_O_X86_64_RELOC_BRANCH 2 /* 32-bit pcrel disp. */ +#define BFD_MACH_O_X86_64_RELOC_GOT_LOAD 3 /* Movq load of a GOT entry. */ +#define BFD_MACH_O_X86_64_RELOC_GOT 4 /* GOT reference. */ +#define BFD_MACH_O_X86_64_RELOC_SUBTRACTOR 5 /* Symbol difference. */ +#define BFD_MACH_O_X86_64_RELOC_SIGNED_1 6 /* 32-bit signed disp -1. */ +#define BFD_MACH_O_X86_64_RELOC_SIGNED_2 7 /* 32-bit signed disp -2. */ +#define BFD_MACH_O_X86_64_RELOC_SIGNED_4 8 /* 32-bit signed disp -4. */ +#define BFD_MACH_O_X86_64_RELOC_TLV 9 /* Thread local variables. */ + +#endif /* _MACH_O_X86_64_H */ |