1 /* BFD back-end for Irix core files.
2 Copyright 1993 Free Software Foundation, Inc.
3 Written by Stu Grossman, Cygnus Support.
4 Converted to back-end form by Ian Lance Taylor, Cygnus Support
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
22 /* This file can only be compiled on systems which use Irix style core
23 files (namely, Irix 4 and Irix 5, so far). In the config/XXXXXX.mh
24 file for such a system add
37 struct sgi_core_struct
40 char cmd[CORE_NAMESIZE];
43 #define core_hdr(bfd) ((bfd)->tdata.sgi_core_data)
44 #define core_signal(bfd) (core_hdr(bfd)->sig)
45 #define core_command(bfd) (core_hdr(bfd)->cmd)
48 make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos)
52 bfd_size_type _raw_size;
58 asect = bfd_make_section_anyway (abfd, name);
63 asect->_raw_size = _raw_size;
65 asect->filepos = filepos;
66 asect->alignment_power = 4;
72 irix_core_core_file_p (abfd)
78 struct coreout coreout;
79 struct idesc *idg, *idf, *ids;
81 val = bfd_read ((PTR)&coreout, 1, sizeof coreout, abfd);
82 if (val != sizeof coreout)
84 if (bfd_get_error () != bfd_error_system_call)
85 bfd_set_error (bfd_error_wrong_format);
89 if (coreout.c_magic != CORE_MAGIC
90 || coreout.c_version != CORE_VERSION1)
93 core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, sizeof (struct sgi_core_struct));
97 strncpy (core_command (abfd), coreout.c_name, CORE_NAMESIZE);
98 core_signal (abfd) = coreout.c_sigcause;
100 if (bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET) != 0)
103 for (i = 0; i < coreout.c_nvmap; i++)
107 val = bfd_read ((PTR)&vmap, 1, sizeof vmap, abfd);
108 if (val != sizeof vmap)
121 secname = ".mapfile";
128 if (!make_bfd_asection (abfd, secname,
129 SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS,
137 /* Make sure that the regs are contiguous within the core file. */
139 idg = &coreout.c_idesc[I_GPREGS];
140 idf = &coreout.c_idesc[I_FPREGS];
141 ids = &coreout.c_idesc[I_SPECREGS];
143 if (idg->i_offset + idg->i_len != idf->i_offset
144 || idf->i_offset + idf->i_len != ids->i_offset)
145 return 0; /* Can't deal with non-contig regs */
147 if (bfd_seek (abfd, idg->i_offset, SEEK_SET) != 0)
150 make_bfd_asection (abfd, ".reg",
151 SEC_ALLOC+SEC_HAS_CONTENTS,
152 idg->i_len + idf->i_len + ids->i_len,
156 /* OK, we believe you. You're a core file (sure, sure). */
162 irix_core_core_file_failing_command (abfd)
165 return core_command (abfd);
169 irix_core_core_file_failing_signal (abfd)
172 return core_signal (abfd);
176 irix_core_core_file_matches_executable_p (core_bfd, exec_bfd)
177 bfd *core_bfd, *exec_bfd;
179 return true; /* XXX - FIXME */
183 irix_core_make_empty_symbol (abfd)
186 asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
192 #define irix_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound
193 #define irix_core_get_symtab _bfd_nosymbols_get_symtab
194 #define irix_core_print_symbol _bfd_nosymbols_print_symbol
195 #define irix_core_get_symbol_info _bfd_nosymbols_get_symbol_info
196 #define irix_core_bfd_is_local_label _bfd_nosymbols_bfd_is_local_label
197 #define irix_core_get_lineno _bfd_nosymbols_get_lineno
198 #define irix_core_find_nearest_line _bfd_nosymbols_find_nearest_line
199 #define irix_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
201 /* If somebody calls any byte-swapping routines, shoot them. */
205 abort(); /* This way doesn't require any declaration for ANSI to fuck up */
207 #define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort )
208 #define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
209 #define NO_SIGNED_GET \
210 ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
212 bfd_target irix_core_vec =
215 bfd_target_unknown_flavour,
216 true, /* target byte order */
217 true, /* target headers byte order */
218 (HAS_RELOC | EXEC_P | /* object flags */
219 HAS_LINENO | HAS_DEBUG |
220 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
221 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
222 0, /* symbol prefix */
223 ' ', /* ar_pad_char */
224 16, /* ar_max_namelen */
225 3, /* minimum alignment power */
226 NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */
227 NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */
228 NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */
229 NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */
230 NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */
231 NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */
233 { /* bfd_check_format */
234 _bfd_dummy_target, /* unknown format */
235 _bfd_dummy_target, /* object file */
236 _bfd_dummy_target, /* archive */
237 irix_core_core_file_p /* a core file */
239 { /* bfd_set_format */
240 bfd_false, bfd_false,
243 { /* bfd_write_contents */
244 bfd_false, bfd_false,
248 BFD_JUMP_TABLE_GENERIC (_bfd_generic),
249 BFD_JUMP_TABLE_COPY (_bfd_generic),
250 BFD_JUMP_TABLE_CORE (irix_core),
251 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
252 BFD_JUMP_TABLE_SYMBOLS (irix_core),
253 BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
254 BFD_JUMP_TABLE_WRITE (_bfd_generic),
255 BFD_JUMP_TABLE_LINK (_bfd_nolink),
257 (PTR) 0 /* backend_data */
260 #endif /* IRIX_CORE */