| 1 | /* BFD back-end data structures for a.out (and similar) files.
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| 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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| 3 | 2000, 2001
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| 4 | Free Software Foundation, Inc.
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| 5 | Written by Cygnus Support.
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| 6 |
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| 7 | This file is part of BFD, the Binary File Descriptor library.
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| 8 |
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| 9 | This program is free software; you can redistribute it and/or modify
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| 10 | it under the terms of the GNU General Public License as published by
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| 11 | the Free Software Foundation; either version 2 of the License, or
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| 12 | (at your option) any later version.
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| 13 |
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| 14 | This program is distributed in the hope that it will be useful,
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 17 | GNU General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU General Public License
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| 20 | along with this program; if not, write to the Free Software
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| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 22 |
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| 23 | #ifndef LIBAOUT_H
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| 24 | #define LIBAOUT_H
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| 25 |
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| 26 | /* We try to encapsulate the differences in the various a.out file
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| 27 | variants in a few routines, and otherwise share large masses of code.
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| 28 | This means we only have to fix bugs in one place, most of the time. */
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| 29 |
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| 30 | #include "bfdlink.h"
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| 31 |
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| 32 | /* Parameterize the a.out code based on whether it is being built
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| 33 | for a 32-bit architecture or a 64-bit architecture. */
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| 34 | #if ARCH_SIZE==64
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| 35 | #define GET_WORD bfd_h_get_64
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| 36 | #define GET_SWORD bfd_h_get_signed_64
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| 37 | #define PUT_WORD bfd_h_put_64
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| 38 | #ifndef NAME
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| 39 | #define NAME(x,y) CAT3(x,_64_,y)
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| 40 | #endif
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| 41 | #define JNAME(x) CAT(x,_64)
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| 42 | #define BYTES_IN_WORD 8
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| 43 | #else /* ARCH_SIZE == 32 */
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| 44 | #define GET_WORD bfd_h_get_32
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| 45 | #define GET_SWORD bfd_h_get_signed_32
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| 46 | #define PUT_WORD bfd_h_put_32
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| 47 | #ifndef NAME
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| 48 | #define NAME(x,y) CAT3(x,_32_,y)
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| 49 | #endif
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| 50 | #define JNAME(x) CAT(x,_32)
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| 51 | #define BYTES_IN_WORD 4
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| 52 | #endif /* ARCH_SIZE==32 */
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| 53 |
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| 54 | /* Declare at file level, since used in parameter lists, which have
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| 55 | weird scope. */
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| 56 | struct external_exec;
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| 57 | struct external_nlist;
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| 58 | struct reloc_ext_external;
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| 59 | struct reloc_std_external;
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| 60 | |
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| 61 |
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| 62 | /* a.out backend linker hash table entries. */
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| 63 |
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| 64 | struct aout_link_hash_entry
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| 65 | {
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| 66 | struct bfd_link_hash_entry root;
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| 67 | /* Whether this symbol has been written out. */
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| 68 | boolean written;
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| 69 | /* Symbol index in output file. */
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| 70 | int indx;
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| 71 | };
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| 72 |
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| 73 | /* a.out backend linker hash table. */
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| 74 |
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| 75 | struct aout_link_hash_table
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| 76 | {
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| 77 | struct bfd_link_hash_table root;
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| 78 | };
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| 79 |
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| 80 | /* Look up an entry in an a.out link hash table. */
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| 81 |
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| 82 | #define aout_link_hash_lookup(table, string, create, copy, follow) \
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| 83 | ((struct aout_link_hash_entry *) \
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| 84 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
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| 85 |
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| 86 | /* Traverse an a.out link hash table. */
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| 87 |
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| 88 | #define aout_link_hash_traverse(table, func, info) \
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| 89 | (bfd_link_hash_traverse \
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| 90 | (&(table)->root, \
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| 91 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
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| 92 | (info)))
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| 93 |
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| 94 | /* Get the a.out link hash table from the info structure. This is
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| 95 | just a cast. */
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| 96 |
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| 97 | #define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
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| 98 | |
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| 99 |
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| 100 | /* Back-end information for various a.out targets. */
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| 101 | struct aout_backend_data
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| 102 | {
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| 103 | /* Are ZMAGIC files mapped contiguously? If so, the text section may
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| 104 | need more padding, if the segment size (granularity for memory access
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| 105 | control) is larger than the page size. */
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| 106 | unsigned char zmagic_mapped_contiguous;
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| 107 | /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
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| 108 | text section, which starts immediately after the file header.
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| 109 | If not, the text section starts on the next page. */
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| 110 | unsigned char text_includes_header;
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| 111 |
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| 112 | /* If this flag is set, then if the entry address is not in the
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| 113 | first SEGMENT_SIZE bytes of the text section, it is taken to be
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| 114 | the address of the start of the text section. This can be useful
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| 115 | for kernels. */
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| 116 | unsigned char entry_is_text_address;
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| 117 |
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| 118 | /* The value to pass to N_SET_FLAGS. */
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| 119 | unsigned char exec_hdr_flags;
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| 120 |
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| 121 | /* If the text section VMA isn't specified, and we need an absolute
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| 122 | address, use this as the default. If we're producing a relocatable
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| 123 | file, zero is always used. */
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| 124 | /* ?? Perhaps a callback would be a better choice? Will this do anything
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| 125 | reasonable for a format that handles multiple CPUs with different
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| 126 | load addresses for each? */
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| 127 | bfd_vma default_text_vma;
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| 128 |
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| 129 | /* Callback for setting the page and segment sizes, if they can't be
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| 130 | trivially determined from the architecture. */
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| 131 | boolean (*set_sizes) PARAMS ((bfd *));
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| 132 |
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| 133 | /* zmagic files only. For go32, the length of the exec header contributes
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| 134 | to the size of the text section in the file for alignment purposes but
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| 135 | does *not* get counted in the length of the text section. */
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| 136 | unsigned char exec_header_not_counted;
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| 137 |
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| 138 | /* Callback from the add symbols phase of the linker code to handle
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| 139 | a dynamic object. */
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| 140 | boolean (*add_dynamic_symbols) PARAMS ((bfd *, struct bfd_link_info *,
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| 141 | struct external_nlist **,
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| 142 | bfd_size_type *, char **));
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| 143 |
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| 144 | /* Callback from the add symbols phase of the linker code to handle
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| 145 | adding a single symbol to the global linker hash table. */
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| 146 | boolean (*add_one_symbol) PARAMS ((struct bfd_link_info *, bfd *,
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| 147 | const char *, flagword, asection *,
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| 148 | bfd_vma, const char *, boolean,
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| 149 | boolean,
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| 150 | struct bfd_link_hash_entry **));
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| 151 |
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| 152 | /* Called to handle linking a dynamic object. */
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| 153 | boolean (*link_dynamic_object) PARAMS ((struct bfd_link_info *, bfd *));
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| 154 |
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| 155 | /* Called for each global symbol being written out by the linker.
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| 156 | This should write out the dynamic symbol information. */
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| 157 | boolean (*write_dynamic_symbol) PARAMS ((bfd *, struct bfd_link_info *,
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| 158 | struct aout_link_hash_entry *));
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| 159 |
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| 160 | /* If this callback is not NULL, the linker calls it for each reloc.
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| 161 | RELOC is a pointer to the unswapped reloc. If *SKIP is set to
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| 162 | true, the reloc will be skipped. *RELOCATION may be changed to
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| 163 | change the effects of the relocation. */
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| 164 | boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info,
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| 165 | bfd *input_bfd,
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| 166 | asection *input_section,
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| 167 | struct aout_link_hash_entry *h,
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| 168 | PTR reloc, bfd_byte *contents,
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| 169 | boolean *skip,
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| 170 | bfd_vma *relocation));
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| 171 |
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| 172 | /* Called at the end of a link to finish up any dynamic linking
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| 173 | information. */
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| 174 | boolean (*finish_dynamic_link) PARAMS ((bfd *, struct bfd_link_info *));
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| 175 | };
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| 176 | #define aout_backend_info(abfd) \
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| 177 | ((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))
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| 178 |
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| 179 | /* This is the layout in memory of a "struct exec" while we process it.
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| 180 | All 'lengths' are given as a number of bytes.
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| 181 | All 'alignments' are for relinkable files only; an alignment of
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| 182 | 'n' indicates the corresponding segment must begin at an
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| 183 | address that is a multiple of (2**n). */
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| 184 |
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| 185 | struct internal_exec
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| 186 | {
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| 187 | long a_info; /* Magic number and flags, packed */
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| 188 | bfd_vma a_text; /* length of text, in bytes */
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| 189 | bfd_vma a_data; /* length of data, in bytes */
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| 190 | bfd_vma a_bss; /* length of uninitialized data area in mem */
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| 191 | bfd_vma a_syms; /* length of symbol table data in file */
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| 192 | bfd_vma a_entry; /* start address */
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| 193 | bfd_vma a_trsize; /* length of text's relocation info, in bytes */
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| 194 | bfd_vma a_drsize; /* length of data's relocation info, in bytes */
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| 195 | /* Added for i960 */
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| 196 | bfd_vma a_tload; /* Text runtime load address */
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| 197 | bfd_vma a_dload; /* Data runtime load address */
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| 198 | unsigned char a_talign; /* Alignment of text segment */
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| 199 | unsigned char a_dalign; /* Alignment of data segment */
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| 200 | unsigned char a_balign; /* Alignment of bss segment */
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| 201 | char a_relaxable; /* Enough info for linker relax */
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| 202 | };
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| 203 |
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| 204 | /* Magic number is written
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| 205 | < MSB >
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| 206 | 3130292827262524232221201918171615141312111009080706050403020100
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| 207 | < FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
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| 208 | */
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| 209 | /* Magic number for NetBSD is
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| 210 | <MSB >
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| 211 | 3130292827262524232221201918171615141312111009080706050403020100
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| 212 | < FLAGS >< MACHINE TYPE >< MAGIC NUMBER >
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| 213 | */
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| 214 |
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| 215 | enum machine_type {
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| 216 | M_UNKNOWN = 0,
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| 217 | M_68010 = 1,
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| 218 | M_68020 = 2,
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| 219 | M_SPARC = 3,
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| 220 | /* skip a bunch so we don't run into any of suns numbers */
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| 221 | /* make these up for the ns32k*/
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| 222 | M_NS32032 = (64), /* ns32032 running ? */
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| 223 | M_NS32532 = (64 + 5), /* ns32532 running mach */
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| 224 |
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| 225 | M_386 = 100,
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| 226 | M_29K = 101, /* AMD 29000 */
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| 227 | M_386_DYNIX = 102, /* Sequent running dynix */
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| 228 | M_ARM = 103, /* Advanced Risc Machines ARM */
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| 229 | M_SPARCLET = 131, /* SPARClet = M_SPARC + 128 */
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| 230 | M_386_NETBSD = 134, /* NetBSD/i386 binary */
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| 231 | M_68K_NETBSD = 135, /* NetBSD/m68k binary */
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| 232 | M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */
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| 233 | M_532_NETBSD = 137, /* NetBSD/ns32k binary */
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| 234 | M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */
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| 235 | M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary */
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| 236 | M_VAX_NETBSD = 140, /* NetBSD/vax binary */
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| 237 | M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary */
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| 238 | M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary */
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| 239 | M_SPARCLET_1 = 147, /* 0x93, reserved */
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| 240 | M_MIPS1 = 151, /* MIPS R2000/R3000 binary */
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| 241 | M_MIPS2 = 152, /* MIPS R4000/R6000 binary */
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| 242 | M_SPARCLET_2 = 163, /* 0xa3, reserved */
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| 243 | M_SPARCLET_3 = 179, /* 0xb3, reserved */
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| 244 | M_SPARCLET_4 = 195, /* 0xc3, reserved */
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| 245 | M_HP200 = 200, /* HP 200 (68010) BSD binary */
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| 246 | M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
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| 247 | M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary */
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| 248 | M_SPARCLET_5 = 211, /* 0xd3, reserved */
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| 249 | M_SPARCLET_6 = 227, /* 0xe3, reserved */
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| 250 | /* M_SPARCLET_7 = 243 / * 0xf3, reserved */
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| 251 | M_SPARCLITE_LE = 243,
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| 252 | M_CRIS = 255 /* Axis CRIS binary. */
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| 253 | };
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| 254 |
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| 255 | #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000)
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| 256 |
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| 257 | #ifndef N_MAGIC
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| 258 | # define N_MAGIC(exec) ((exec).a_info & 0xffff)
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| 259 | #endif
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| 260 |
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| 261 | #ifndef N_MACHTYPE
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| 262 | # define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
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| 263 | #endif
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| 264 |
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| 265 | #ifndef N_FLAGS
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| 266 | # define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
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| 267 | #endif
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| 268 |
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| 269 | #ifndef N_SET_INFO
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| 270 | # define N_SET_INFO(exec, magic, type, flags) \
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| 271 | ((exec).a_info = ((magic) & 0xffff) \
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| 272 | | (((int)(type) & 0xff) << 16) \
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| 273 | | (((flags) & 0xff) << 24))
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| 274 | #endif
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| 275 |
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| 276 | #ifndef N_SET_DYNAMIC
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| 277 | # define N_SET_DYNAMIC(exec, dynamic) \
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| 278 | ((exec).a_info = (dynamic) ? ((exec).a_info | 0x80000000) : \
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| 279 | ((exec).a_info & 0x7fffffff))
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| 280 | #endif
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| 281 |
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| 282 | #ifndef N_SET_MAGIC
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| 283 | # define N_SET_MAGIC(exec, magic) \
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| 284 | ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
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| 285 | #endif
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| 286 |
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| 287 | #ifndef N_SET_MACHTYPE
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| 288 | # define N_SET_MACHTYPE(exec, machtype) \
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| 289 | ((exec).a_info = \
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| 290 | ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
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| 291 | #endif
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| 292 |
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| 293 | #ifndef N_SET_FLAGS
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| 294 | # define N_SET_FLAGS(exec, flags) \
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| 295 | ((exec).a_info = \
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| 296 | ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
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| 297 | #endif
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| 298 |
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| 299 | typedef struct aout_symbol {
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| 300 | asymbol symbol;
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| 301 | short desc;
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| 302 | char other;
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| 303 | unsigned char type;
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| 304 | } aout_symbol_type;
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| 305 |
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| 306 | /* The `tdata' struct for all a.out-like object file formats.
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| 307 | Various things depend on this struct being around any time an a.out
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| 308 | file is being handled. An example is dbxread.c in GDB. */
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| 309 |
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| 310 | struct aoutdata {
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| 311 | struct internal_exec *hdr; /* exec file header */
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| 312 | aout_symbol_type *symbols; /* symtab for input bfd */
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| 313 |
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| 314 | /* For ease, we do this */
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| 315 | asection *textsec;
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| 316 | asection *datasec;
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| 317 | asection *bsssec;
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| 318 |
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| 319 | /* We remember these offsets so that after check_file_format, we have
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| 320 | no dependencies on the particular format of the exec_hdr. */
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| 321 | file_ptr sym_filepos;
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| 322 | file_ptr str_filepos;
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| 323 |
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| 324 | /* Size of a relocation entry in external form */
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| 325 | unsigned reloc_entry_size;
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| 326 |
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| 327 | /* Size of a symbol table entry in external form */
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| 328 | unsigned symbol_entry_size;
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| 329 |
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| 330 | /* Page size - needed for alignment of demand paged files. */
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| 331 | unsigned long page_size;
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| 332 |
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| 333 | /* Segment size - needed for alignment of demand paged files. */
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| 334 | unsigned long segment_size;
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| 335 |
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| 336 | /* Zmagic disk block size - need to align the start of the text
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| 337 | section in ZMAGIC binaries. Normally the same as page_size. */
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| 338 | unsigned long zmagic_disk_block_size;
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| 339 |
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| 340 | unsigned exec_bytes_size;
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| 341 | unsigned vma_adjusted : 1;
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| 342 |
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| 343 | /* used when a bfd supports several highly similar formats */
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| 344 | enum
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| 345 | {
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| 346 | default_format = 0,
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| 347 | /* Used on HP 9000/300 running HP/UX. See hp300hpux.c. */
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| 348 | gnu_encap_format,
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| 349 | /* Used on Linux, 386BSD, etc. See include/aout/aout64.h. */
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| 350 | q_magic_format
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| 351 | } subformat;
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| 352 |
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| 353 | enum
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| 354 | {
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| 355 | undecided_magic = 0,
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| 356 | z_magic,
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| 357 | o_magic,
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| 358 | n_magic
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| 359 | } magic;
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| 360 |
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| 361 | /* A buffer for find_nearest_line. */
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| 362 | char *line_buf;
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| 363 |
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| 364 | /* The external symbol information. */
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| 365 | struct external_nlist *external_syms;
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| 366 | bfd_size_type external_sym_count;
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| 367 | bfd_window sym_window;
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| 368 | char *external_strings;
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| 369 | bfd_size_type external_string_size;
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| 370 | bfd_window string_window;
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| 371 | struct aout_link_hash_entry **sym_hashes;
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| 372 |
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| 373 | /* A pointer for shared library information. */
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| 374 | PTR dynamic_info;
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| 375 |
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| 376 | /* A mapping from local symbols to offsets into the global offset
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| 377 | table, used when linking on SunOS. This is indexed by the symbol
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| 378 | index. */
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| 379 | bfd_vma *local_got_offsets;
|
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| 380 | };
|
|---|
| 381 |
|
|---|
| 382 | struct aout_data_struct {
|
|---|
| 383 | struct aoutdata a;
|
|---|
| 384 | struct internal_exec e;
|
|---|
| 385 | };
|
|---|
| 386 |
|
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| 387 | #define adata(bfd) ((bfd)->tdata.aout_data->a)
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|---|
| 388 | #define exec_hdr(bfd) (adata(bfd).hdr)
|
|---|
| 389 | #define obj_aout_symbols(bfd) (adata(bfd).symbols)
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|---|
| 390 | #define obj_textsec(bfd) (adata(bfd).textsec)
|
|---|
| 391 | #define obj_datasec(bfd) (adata(bfd).datasec)
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|---|
| 392 | #define obj_bsssec(bfd) (adata(bfd).bsssec)
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| 393 | #define obj_sym_filepos(bfd) (adata(bfd).sym_filepos)
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|---|
| 394 | #define obj_str_filepos(bfd) (adata(bfd).str_filepos)
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|---|
| 395 | #define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
|
|---|
| 396 | #define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
|
|---|
| 397 | #define obj_aout_subformat(bfd) (adata(bfd).subformat)
|
|---|
| 398 | #define obj_aout_external_syms(bfd) (adata(bfd).external_syms)
|
|---|
| 399 | #define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count)
|
|---|
| 400 | #define obj_aout_sym_window(bfd) (adata(bfd).sym_window)
|
|---|
| 401 | #define obj_aout_external_strings(bfd) (adata(bfd).external_strings)
|
|---|
| 402 | #define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size)
|
|---|
| 403 | #define obj_aout_string_window(bfd) (adata(bfd).string_window)
|
|---|
| 404 | #define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes)
|
|---|
| 405 | #define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info)
|
|---|
| 406 |
|
|---|
| 407 | /* We take the address of the first element of an asymbol to ensure that the
|
|---|
| 408 | macro is only ever applied to an asymbol */
|
|---|
| 409 | #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
|
|---|
| 410 |
|
|---|
| 411 | /* Information we keep for each a.out section. This is currently only
|
|---|
| 412 | used by the a.out backend linker. */
|
|---|
| 413 |
|
|---|
| 414 | struct aout_section_data_struct
|
|---|
| 415 | {
|
|---|
| 416 | /* The unswapped relocation entries for this section. */
|
|---|
| 417 | PTR relocs;
|
|---|
| 418 | };
|
|---|
| 419 |
|
|---|
| 420 | #define aout_section_data(s) \
|
|---|
| 421 | ((struct aout_section_data_struct *) (s)->used_by_bfd)
|
|---|
| 422 |
|
|---|
| 423 | #define set_aout_section_data(s,v) \
|
|---|
| 424 | ((s)->used_by_bfd = (PTR)&(v)->relocs)
|
|---|
| 425 |
|
|---|
| 426 | /* Prototype declarations for functions defined in aoutx.h */
|
|---|
| 427 |
|
|---|
| 428 | boolean
|
|---|
| 429 | NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section));
|
|---|
| 430 |
|
|---|
| 431 | boolean
|
|---|
| 432 | NAME(aout,make_sections) PARAMS ((bfd *));
|
|---|
| 433 |
|
|---|
| 434 | const bfd_target *
|
|---|
| 435 | NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
|
|---|
| 436 | struct internal_exec *execp,
|
|---|
| 437 | const bfd_target *(*callback)(bfd *)));
|
|---|
| 438 |
|
|---|
| 439 | boolean
|
|---|
| 440 | NAME(aout,mkobject) PARAMS ((bfd *abfd));
|
|---|
| 441 |
|
|---|
| 442 | enum machine_type
|
|---|
| 443 | NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
|
|---|
| 444 | unsigned long machine,
|
|---|
| 445 | boolean *unknown));
|
|---|
| 446 |
|
|---|
| 447 | boolean
|
|---|
| 448 | NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
|
|---|
| 449 | unsigned long machine));
|
|---|
| 450 |
|
|---|
| 451 | boolean
|
|---|
| 452 | NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect));
|
|---|
| 453 |
|
|---|
| 454 | boolean
|
|---|
| 455 | NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
|
|---|
| 456 | PTR location, file_ptr offset, bfd_size_type count));
|
|---|
| 457 |
|
|---|
| 458 | asymbol *
|
|---|
| 459 | NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));
|
|---|
| 460 |
|
|---|
| 461 | boolean
|
|---|
| 462 | NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *,
|
|---|
| 463 | struct external_nlist *,
|
|---|
| 464 | bfd_size_type, char *,
|
|---|
| 465 | bfd_size_type,
|
|---|
| 466 | boolean dynamic));
|
|---|
| 467 |
|
|---|
| 468 | boolean
|
|---|
| 469 | NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));
|
|---|
| 470 |
|
|---|
| 471 | boolean
|
|---|
| 472 | NAME(aout,write_syms) PARAMS ((bfd *abfd));
|
|---|
| 473 |
|
|---|
| 474 | void
|
|---|
| 475 | NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));
|
|---|
| 476 |
|
|---|
| 477 | long
|
|---|
| 478 | NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));
|
|---|
| 479 |
|
|---|
| 480 | long
|
|---|
| 481 | NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));
|
|---|
| 482 |
|
|---|
| 483 | void
|
|---|
| 484 | NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *,
|
|---|
| 485 | arelent *, asymbol **, bfd_size_type));
|
|---|
| 486 | void
|
|---|
| 487 | NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
|
|---|
| 488 | arelent *, asymbol **, bfd_size_type));
|
|---|
| 489 |
|
|---|
| 490 | reloc_howto_type *
|
|---|
| 491 | NAME(aout,reloc_type_lookup) PARAMS ((bfd *abfd,
|
|---|
| 492 | bfd_reloc_code_real_type code));
|
|---|
| 493 |
|
|---|
| 494 | boolean
|
|---|
| 495 | NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
|
|---|
| 496 | asymbol **symbols));
|
|---|
| 497 |
|
|---|
| 498 | long
|
|---|
| 499 | NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
|
|---|
| 500 | arelent **relptr, asymbol **symbols));
|
|---|
| 501 |
|
|---|
| 502 | long
|
|---|
| 503 | NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));
|
|---|
| 504 |
|
|---|
| 505 | void
|
|---|
| 506 | NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));
|
|---|
| 507 |
|
|---|
| 508 | alent *
|
|---|
| 509 | NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol));
|
|---|
| 510 |
|
|---|
| 511 | void
|
|---|
| 512 | NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
|
|---|
| 513 | asymbol *symbol, bfd_print_symbol_type how));
|
|---|
| 514 |
|
|---|
| 515 | void
|
|---|
| 516 | NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd,
|
|---|
| 517 | asymbol *symbol, symbol_info *ret));
|
|---|
| 518 |
|
|---|
| 519 | boolean
|
|---|
| 520 | NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section,
|
|---|
| 521 | asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
|
|---|
| 522 | CONST char **functionname_ptr, unsigned int *line_ptr));
|
|---|
| 523 |
|
|---|
| 524 | long
|
|---|
| 525 | NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *));
|
|---|
| 526 |
|
|---|
| 527 | asymbol *
|
|---|
| 528 | NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
|
|---|
| 529 | asymbol *));
|
|---|
| 530 |
|
|---|
| 531 | int
|
|---|
| 532 | NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));
|
|---|
| 533 |
|
|---|
| 534 | boolean
|
|---|
| 535 | NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
|
|---|
| 536 | bfd_size_type *text_size, file_ptr *text_end));
|
|---|
| 537 |
|
|---|
| 538 | void
|
|---|
| 539 | NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd,
|
|---|
| 540 | struct external_exec *raw_bytes, struct internal_exec *execp));
|
|---|
| 541 |
|
|---|
| 542 | void
|
|---|
| 543 | NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd,
|
|---|
| 544 | struct internal_exec *execp, struct external_exec *raw_bytes));
|
|---|
| 545 |
|
|---|
| 546 | struct bfd_hash_entry *
|
|---|
| 547 | NAME(aout,link_hash_newfunc)
|
|---|
| 548 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
|
|---|
| 549 |
|
|---|
| 550 | boolean
|
|---|
| 551 | NAME(aout,link_hash_table_init)
|
|---|
| 552 | PARAMS ((struct aout_link_hash_table *, bfd *,
|
|---|
| 553 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
|
|---|
| 554 | struct bfd_hash_table *,
|
|---|
| 555 | const char *)));
|
|---|
| 556 |
|
|---|
| 557 | struct bfd_link_hash_table *
|
|---|
| 558 | NAME(aout,link_hash_table_create) PARAMS ((bfd *));
|
|---|
| 559 |
|
|---|
| 560 | boolean
|
|---|
| 561 | NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
|
|---|
| 562 |
|
|---|
| 563 | boolean
|
|---|
| 564 | NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *,
|
|---|
| 565 | void (*) (bfd *, file_ptr *, file_ptr *,
|
|---|
| 566 | file_ptr *)));
|
|---|
| 567 |
|
|---|
| 568 | boolean
|
|---|
| 569 | NAME(aout,bfd_free_cached_info) PARAMS ((bfd *));
|
|---|
| 570 |
|
|---|
| 571 | /* A.out uses the generic versions of these routines... */
|
|---|
| 572 |
|
|---|
| 573 | #define aout_32_get_section_contents _bfd_generic_get_section_contents
|
|---|
| 574 |
|
|---|
| 575 | #define aout_64_get_section_contents _bfd_generic_get_section_contents
|
|---|
| 576 | #ifndef NO_WRITE_HEADER_KLUDGE
|
|---|
| 577 | #define NO_WRITE_HEADER_KLUDGE 0
|
|---|
| 578 | #endif
|
|---|
| 579 |
|
|---|
| 580 | #ifndef aout_32_bfd_is_local_label_name
|
|---|
| 581 | #define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
|
|---|
| 582 | #endif
|
|---|
| 583 |
|
|---|
| 584 | #ifndef WRITE_HEADERS
|
|---|
| 585 | #define WRITE_HEADERS(abfd, execp) \
|
|---|
| 586 | { \
|
|---|
| 587 | bfd_size_type text_size; /* dummy vars */ \
|
|---|
| 588 | file_ptr text_end; \
|
|---|
| 589 | if (adata(abfd).magic == undecided_magic) \
|
|---|
| 590 | NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end); \
|
|---|
| 591 | \
|
|---|
| 592 | execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
|
|---|
| 593 | execp->a_entry = bfd_get_start_address (abfd); \
|
|---|
| 594 | \
|
|---|
| 595 | execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
|
|---|
| 596 | obj_reloc_entry_size (abfd)); \
|
|---|
| 597 | execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
|
|---|
| 598 | obj_reloc_entry_size (abfd)); \
|
|---|
| 599 | NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \
|
|---|
| 600 | \
|
|---|
| 601 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false; \
|
|---|
| 602 | if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) \
|
|---|
| 603 | != EXEC_BYTES_SIZE) \
|
|---|
| 604 | return false; \
|
|---|
| 605 | /* Now write out reloc info, followed by syms and strings */ \
|
|---|
| 606 | \
|
|---|
| 607 | if (bfd_get_outsymbols (abfd) != (asymbol **) NULL \
|
|---|
| 608 | && bfd_get_symcount (abfd) != 0) \
|
|---|
| 609 | { \
|
|---|
| 610 | if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \
|
|---|
| 611 | return false; \
|
|---|
| 612 | \
|
|---|
| 613 | if (! NAME(aout,write_syms)(abfd)) return false; \
|
|---|
| 614 | } \
|
|---|
| 615 | \
|
|---|
| 616 | if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0) \
|
|---|
| 617 | return false; \
|
|---|
| 618 | if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) \
|
|---|
| 619 | return false; \
|
|---|
| 620 | \
|
|---|
| 621 | if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) != 0) \
|
|---|
| 622 | return false; \
|
|---|
| 623 | if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) \
|
|---|
| 624 | return false; \
|
|---|
| 625 | }
|
|---|
| 626 | #endif
|
|---|
| 627 |
|
|---|
| 628 | #endif /* ! defined (LIBAOUT_H) */
|
|---|
