Browse Source
2011-08-08 Tristan Gingold <gingold@adacore.com> * mach-o.h: Move size macros to external.h Move reloc macros to reloc.h and x86-64.h. * mach-o-i386.c: Includes mach-o/reloc.h * mach-o-x86-64.c: Ditto and includes mach-o/x86-64.h * mach-o.c: Add includes. (bfd_mach_o_write_header): Use structure from external.h to convert. (bfd_mach_o_write_thread): Ditto. (bfd_mach_o_write_relocs): Ditto. (bfd_mach_o_write_section_32): Ditto. (bfd_mach_o_write_section_64): Ditto. (bfd_mach_o_write_segment_32): Ditto. (bfd_mach_o_write_segment_64): Ditto. (bfd_mach_o_write_symtab): Ditto. (bfd_mach_o_write_contents): Ditto. (bfd_mach_o_read_header): Ditto. (bfd_mach_o_read_section_32): Ditto. (bfd_mach_o_read_section_64): Ditto. (bfd_mach_o_read_symtab_symbol): Ditto. (bfd_mach_o_read_dylinker): Ditto. (bfd_mach_o_read_dylib): Ditto. (bfd_mach_o_read_dysymtab): Ditto. (bfd_mach_o_read_symtab): Ditto. (bfd_mach_o_read_linkedit): Ditto. (bfd_mach_o_read_str): Ditto. (bfd_mach_o_read_dyld_info): Ditto. (bfd_mach_o_read_segment): Ditto. (bfd_mach_o_read_command): Ditto. (bfd_mach_o_archive_p): Ditto. (bfd_mach_o_canonicalize_one_reloc): Ditto. Change the BUF parameter. (bfd_mach_o_canonicalize_relocs): Adjust to call the above function. (bfd_mach_o_read_dysymtab_symbol): Rename BUF variable. (bfd_mach_o_read_uuid): Remove useless cast. Use a macro instead of an hard-coded value. include/mach-o 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.binutils-2_22-branch
Tristan Gingold
15 years ago
10 changed files with 865 additions and 464 deletions
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/* Mach-O support for BFD.
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Copyright 2011 |
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Free Software Foundation, Inc. |
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This file is part of BFD, the Binary File Descriptor library. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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MA 02110-1301, USA. */ |
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#ifndef _MACH_O_EXTERNAL_H |
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#define _MACH_O_EXTERNAL_H |
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struct mach_o_header_external |
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{ |
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unsigned char magic[4]; /* Magic number. */ |
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unsigned char cputype[4]; /* CPU that this object is for. */ |
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unsigned char cpusubtype[4]; /* CPU subtype. */ |
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unsigned char filetype[4]; /* Type of file. */ |
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unsigned char ncmds[4]; /* Number of load commands. */ |
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unsigned char sizeofcmds[4]; /* Total size of load commands. */ |
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unsigned char flags[4]; /* Flags. */ |
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unsigned char reserved[4]; /* Reserved (on 64-bit version only). */ |
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}; |
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#define BFD_MACH_O_HEADER_SIZE 28 |
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#define BFD_MACH_O_HEADER_64_SIZE 32 |
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/* 32-bit section header. */ |
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struct mach_o_section_32_external |
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{ |
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unsigned char sectname[16]; /* Section name. */ |
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unsigned char segname[16]; /* Segment that the section belongs to. */ |
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unsigned char addr[4]; /* Address of this section in memory. */ |
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unsigned char size[4]; /* Size in bytes of this section. */ |
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unsigned char offset[4]; /* File offset of this section. */ |
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unsigned char align[4]; /* log2 of this section's alignment. */ |
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unsigned char reloff[4]; /* File offset of this section's relocs. */ |
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unsigned char nreloc[4]; /* Number of relocs for this section. */ |
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unsigned char flags[4]; /* Section flags/attributes. */ |
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unsigned char reserved1[4]; |
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unsigned char reserved2[4]; |
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}; |
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#define BFD_MACH_O_SECTION_SIZE 68 |
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/* 64-bit section header. */ |
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struct mach_o_section_64_external |
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{ |
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unsigned char sectname[16]; /* Section name. */ |
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unsigned char segname[16]; /* Segment that the section belongs to. */ |
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unsigned char addr[8]; /* Address of this section in memory. */ |
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unsigned char size[8]; /* Size in bytes of this section. */ |
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unsigned char offset[4]; /* File offset of this section. */ |
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unsigned char align[4]; /* log2 of this section's alignment. */ |
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unsigned char reloff[4]; /* File offset of this section's relocs. */ |
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unsigned char nreloc[4]; /* Number of relocs for this section. */ |
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unsigned char flags[4]; /* Section flags/attributes. */ |
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unsigned char reserved1[4]; |
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unsigned char reserved2[4]; |
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unsigned char reserved3[4]; |
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}; |
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#define BFD_MACH_O_SECTION_64_SIZE 80 |
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struct mach_o_load_command_external |
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{ |
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unsigned char cmd[4]; /* The type of load command. */ |
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unsigned char cmdsize[4]; /* Size in bytes of entire command. */ |
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}; |
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#define BFD_MACH_O_LC_SIZE 8 |
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struct mach_o_segment_command_32_external |
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{ |
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unsigned char segname[16]; /* Name of this segment. */ |
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unsigned char vmaddr[4]; /* Virtual memory address of this segment. */ |
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unsigned char vmsize[4]; /* Size there, in bytes. */ |
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unsigned char fileoff[4]; /* Offset in bytes of the data to be mapped. */ |
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unsigned char filesize[4]; /* Size in bytes on disk. */ |
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unsigned char maxprot[4]; /* Maximum permitted vm protection. */ |
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unsigned char initprot[4]; /* Initial vm protection. */ |
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unsigned char nsects[4]; /* Number of sections in this segment. */ |
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unsigned char flags[4]; /* Flags that affect the loading. */ |
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}; |
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#define BFD_MACH_O_LC_SEGMENT_SIZE 56 /* Include the header. */ |
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struct mach_o_segment_command_64_external |
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{ |
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unsigned char segname[16]; /* Name of this segment. */ |
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unsigned char vmaddr[8]; /* Virtual memory address of this segment. */ |
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unsigned char vmsize[8]; /* Size there, in bytes. */ |
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unsigned char fileoff[8]; /* Offset in bytes of the data to be mapped. */ |
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unsigned char filesize[8]; /* Size in bytes on disk. */ |
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unsigned char maxprot[4]; /* Maximum permitted vm protection. */ |
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unsigned char initprot[4]; /* Initial vm protection. */ |
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unsigned char nsects[4]; /* Number of sections in this segment. */ |
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unsigned char flags[4]; /* Flags that affect the loading. */ |
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}; |
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#define BFD_MACH_O_LC_SEGMENT_64_SIZE 72 /* Include the header. */ |
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struct mach_o_reloc_info_external |
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{ |
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unsigned char r_address[4]; |
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unsigned char r_symbolnum[4]; |
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}; |
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#define BFD_MACH_O_RELENT_SIZE 8 |
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struct mach_o_symtab_command_external |
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{ |
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unsigned char symoff[4]; |
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unsigned char nsyms[4]; |
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unsigned char stroff[4]; |
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unsigned char strsize[4]; |
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}; |
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struct mach_o_nlist_external |
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{ |
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unsigned char n_strx[4]; |
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unsigned char n_type[1]; |
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unsigned char n_sect[1]; |
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unsigned char n_desc[2]; |
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unsigned char n_value[4]; |
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}; |
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#define BFD_MACH_O_NLIST_SIZE 12 |
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struct mach_o_nlist_64_external |
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{ |
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unsigned char n_strx[4]; |
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unsigned char n_type[1]; |
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unsigned char n_sect[1]; |
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unsigned char n_desc[2]; |
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unsigned char n_value[8]; |
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}; |
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#define BFD_MACH_O_NLIST_64_SIZE 16 |
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struct mach_o_thread_command_external |
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{ |
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unsigned char flavour[4]; |
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unsigned char count[4]; |
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}; |
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/* For commands that just have a string or a path. */ |
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struct mach_o_str_command_external |
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{ |
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unsigned char str[4]; |
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}; |
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struct mach_o_dylib_command_external |
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{ |
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unsigned char name[4]; |
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unsigned char timestamp[4]; |
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unsigned char current_version[4]; |
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unsigned char compatibility_version[4]; |
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}; |
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struct mach_o_dysymtab_command_external |
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{ |
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unsigned char ilocalsym[4]; /* Index of. */ |
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unsigned char nlocalsym[4]; /* Number of. */ |
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unsigned char iextdefsym[4]; |
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unsigned char nextdefsym[4]; |
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unsigned char iundefsym[4]; |
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unsigned char nundefsym[4]; |
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unsigned char tocoff[4]; |
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unsigned char ntoc[4]; |
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unsigned char modtaboff[4]; |
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unsigned char nmodtab[4]; |
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unsigned char extrefsymoff[4]; |
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unsigned char nextrefsyms[4]; |
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unsigned char indirectsymoff[4]; |
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unsigned char nindirectsyms[4]; |
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unsigned char extreloff[4]; |
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unsigned char nextrel[4]; |
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unsigned char locreloff[4]; |
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unsigned char nlocrel[4]; |
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}; |
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struct mach_o_dylib_module_external |
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{ |
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unsigned char module_name[4]; |
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unsigned char iextdefsym[4]; |
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unsigned char nextdefsym[4]; |
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unsigned char irefsym[4]; |
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unsigned char nrefsym[4]; |
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unsigned char ilocalsym[4]; |
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unsigned char nlocalsym[4]; |
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unsigned char iextrel[4]; |
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unsigned char nextrel[4]; |
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unsigned char iinit_iterm[4]; |
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unsigned char ninit_nterm[4]; |
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unsigned char objc_module_info_addr[4]; |
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unsigned char objc_module_info_size[4]; |
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}; |
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#define BFD_MACH_O_DYLIB_MODULE_SIZE 52 |
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struct mach_o_dylib_module_64_external |
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{ |
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unsigned char module_name[4]; |
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unsigned char iextdefsym[4]; |
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unsigned char nextdefsym[4]; |
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unsigned char irefsym[4]; |
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unsigned char nrefsym[4]; |
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unsigned char ilocalsym[4]; |
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unsigned char nlocalsym[4]; |
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unsigned char iextrel[4]; |
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unsigned char nextrel[4]; |
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unsigned char iinit_iterm[4]; |
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unsigned char ninit_nterm[4]; |
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unsigned char objc_module_info_size[4]; |
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unsigned char objc_module_info_addr[8]; |
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}; |
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#define BFD_MACH_O_DYLIB_MODULE_64_SIZE 56 |
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struct mach_o_dylib_table_of_contents_external |
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{ |
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unsigned char symbol_index[4]; |
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unsigned char module_index[4]; |
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}; |
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#define BFD_MACH_O_TABLE_OF_CONTENT_SIZE 8 |
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struct mach_o_linkedit_data_command_external |
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{ |
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unsigned char dataoff[4]; |
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unsigned char datasize[4]; |
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}; |
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struct mach_o_dyld_info_command_external |
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{ |
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unsigned char rebase_off[4]; |
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unsigned char rebase_size[4]; |
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unsigned char bind_off[4]; |
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unsigned char bind_size[4]; |
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unsigned char weak_bind_off[4]; |
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unsigned char weak_bind_size[4]; |
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unsigned char lazy_bind_off[4]; |
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unsigned char lazy_bind_size[4]; |
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unsigned char export_off[4]; |
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unsigned char export_size[4]; |
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}; |
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struct mach_o_fat_header_external |
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{ |
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unsigned char magic[4]; |
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unsigned char nfat_arch[4]; /* Number of components. */ |
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}; |
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struct mach_o_fat_arch_external |
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{ |
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unsigned char cputype[4]; |
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unsigned char cpusubtype[4]; |
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unsigned char offset[4]; /* File offset of the member. */ |
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unsigned char size[4]; /* Size of the member. */ |
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unsigned char align[4]; /* Power of 2. */ |
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}; |
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#endif /* _MACH_O_EXTERNAL_H */ |
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@ -0,0 +1,53 @@ |
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/* Mach-O support for BFD.
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Copyright 2011 |
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Free Software Foundation, Inc. |
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This file is part of BFD, the Binary File Descriptor library. |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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MA 02110-1301, USA. */ |
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#ifndef _MACH_O_RELOC_H |
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#define _MACH_O_RELOC_H |
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/* Fields for a normal (non-scattered) entry. */ |
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#define BFD_MACH_O_R_PCREL 0x01000000 |
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#define BFD_MACH_O_GET_R_LENGTH(s) (((s) >> 25) & 0x3) |
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#define BFD_MACH_O_R_EXTERN 0x08000000 |
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#define BFD_MACH_O_GET_R_TYPE(s) (((s) >> 28) & 0x0f) |
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#define BFD_MACH_O_GET_R_SYMBOLNUM(s) ((s) & 0x00ffffff) |
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#define BFD_MACH_O_SET_R_LENGTH(l) (((l) & 0x3) << 25) |
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#define BFD_MACH_O_SET_R_TYPE(t) (((t) & 0xf) << 28) |
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#define BFD_MACH_O_SET_R_SYMBOLNUM(s) ((s) & 0x00ffffff) |
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/* Fields for a scattered entry. */ |
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#define BFD_MACH_O_SR_SCATTERED 0x80000000 |
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#define BFD_MACH_O_SR_PCREL 0x40000000 |
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#define BFD_MACH_O_GET_SR_LENGTH(s) (((s) >> 28) & 0x3) |
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#define BFD_MACH_O_GET_SR_TYPE(s) (((s) >> 24) & 0x0f) |
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#define BFD_MACH_O_GET_SR_ADDRESS(s) ((s) & 0x00ffffff) |
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#define BFD_MACH_O_SET_SR_LENGTH(l) (((l) & 0x3) << 28) |
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#define BFD_MACH_O_SET_SR_TYPE(t) (((t) & 0xf) << 24) |
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#define BFD_MACH_O_SET_SR_ADDRESS(s) ((s) & 0x00ffffff) |
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/* Generic relocation types (used by i386). */ |
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#define BFD_MACH_O_GENERIC_RELOC_VANILLA 0 |
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#define BFD_MACH_O_GENERIC_RELOC_PAIR 1 |
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#define BFD_MACH_O_GENERIC_RELOC_SECTDIFF 2 |
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#define BFD_MACH_O_GENERIC_RELOC_PB_LA_PTR 3 |
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#define BFD_MACH_O_GENERIC_RELOC_LOCAL_SECTDIFF 4 |
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#define BFD_MACH_O_GENERIC_RELOC_TLV 5 |
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#endif /* _MACH_O_RELOC_H */ |
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@ -0,0 +1,37 @@ |
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/* Mach-O support for BFD.
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Copyright 2011 |
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Free Software Foundation, Inc. |
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This file is part of BFD, the Binary File Descriptor library. |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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MA 02110-1301, USA. */ |
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#ifndef _MACH_O_X86_64_H |
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#define _MACH_O_X86_64_H |
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/* X86-64 relocations. */ |
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#define BFD_MACH_O_X86_64_RELOC_UNSIGNED 0 /* Absolute addresses. */ |
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#define BFD_MACH_O_X86_64_RELOC_SIGNED 1 /* 32-bit disp. */ |
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#define BFD_MACH_O_X86_64_RELOC_BRANCH 2 /* 32-bit pcrel disp. */ |
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#define BFD_MACH_O_X86_64_RELOC_GOT_LOAD 3 /* Movq load of a GOT entry. */ |
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#define BFD_MACH_O_X86_64_RELOC_GOT 4 /* GOT reference. */ |
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#define BFD_MACH_O_X86_64_RELOC_SUBTRACTOR 5 /* Symbol difference. */ |
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#define BFD_MACH_O_X86_64_RELOC_SIGNED_1 6 /* 32-bit signed disp -1. */ |
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#define BFD_MACH_O_X86_64_RELOC_SIGNED_2 7 /* 32-bit signed disp -2. */ |
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#define BFD_MACH_O_X86_64_RELOC_SIGNED_4 8 /* 32-bit signed disp -4. */ |
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#define BFD_MACH_O_X86_64_RELOC_TLV 9 /* Thread local variables. */ |
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#endif /* _MACH_O_X86_64_H */ |
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