| 1 | /* BFD back-end for HP/UX 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 |
| 5 | |
| 6 | This file is part of BFD, the Binary File Descriptor library. |
| 7 | |
| 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. |
| 12 | |
| 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. |
| 17 | |
| 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. */ |
| 21 | |
| 22 | /* This file can only be compiled on systems which use HP/UX style |
| 23 | core files. In the config/XXXXXX.mh file for such a system add |
| 24 | HDEFINES=-DHPUX_CORE |
| 25 | HDEPFILES=hpux-core.o |
| 26 | */ |
| 27 | |
| 28 | #include "bfd.h" |
| 29 | #include "sysdep.h" |
| 30 | #include "libbfd.h" |
| 31 | |
| 32 | #if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX) |
| 33 | |
| 34 | /* FIXME: sys/core.h doesn't exist for HPUX version 7. HPUX version |
| 35 | 5, 6, and 7 core files seem to be standard trad-core.c type core |
| 36 | files; can we just use trad-core.c in addition to this file? */ |
| 37 | |
| 38 | #include <sys/core.h> |
| 39 | #include <sys/utsname.h> |
| 40 | |
| 41 | #endif /* HOST_HPPAHPUX */ |
| 42 | |
| 43 | #ifdef HOST_HPPABSD |
| 44 | |
| 45 | /* Not a very swift place to put it, but that's where the BSD port |
| 46 | puts them. */ |
| 47 | #include "/hpux/usr/include/sys/core.h" |
| 48 | |
| 49 | #endif /* HOST_HPPABSD */ |
| 50 | |
| 51 | #include <stdio.h> |
| 52 | #include <sys/types.h> |
| 53 | #include <sys/param.h> |
| 54 | #include <sys/dir.h> |
| 55 | #include <signal.h> |
| 56 | #include <machine/reg.h> |
| 57 | #include <sys/user.h> /* After a.out.h */ |
| 58 | #include <sys/file.h> |
| 59 | #include <errno.h> |
| 60 | |
| 61 | /* These are stored in the bfd's tdata */ |
| 62 | |
| 63 | struct hpux_core_struct |
| 64 | { |
| 65 | int sig; |
| 66 | char cmd[MAXCOMLEN + 1]; |
| 67 | asection *data_section; |
| 68 | asection *stack_section; |
| 69 | asection *reg_section; |
| 70 | }; |
| 71 | |
| 72 | #define core_hdr(bfd) ((bfd)->tdata.hpux_core_data) |
| 73 | #define core_signal(bfd) (core_hdr(bfd)->sig) |
| 74 | #define core_command(bfd) (core_hdr(bfd)->cmd) |
| 75 | #define core_datasec(bfd) (core_hdr(bfd)->data_section) |
| 76 | #define core_stacksec(bfd) (core_hdr(bfd)->stack_section) |
| 77 | #define core_regsec(bfd) (core_hdr(bfd)->reg_section) |
| 78 | |
| 79 | static asection * |
| 80 | make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) |
| 81 | bfd *abfd; |
| 82 | CONST char *name; |
| 83 | flagword flags; |
| 84 | bfd_size_type _raw_size; |
| 85 | bfd_vma vma; |
| 86 | unsigned int alignment_power; |
| 87 | { |
| 88 | asection *asect; |
| 89 | |
| 90 | asect = bfd_make_section (abfd, name); |
| 91 | if (!asect) |
| 92 | return NULL; |
| 93 | |
| 94 | asect->flags = flags; |
| 95 | asect->_raw_size = _raw_size; |
| 96 | asect->vma = vma; |
| 97 | asect->filepos = bfd_tell (abfd); |
| 98 | asect->alignment_power = alignment_power; |
| 99 | |
| 100 | return asect; |
| 101 | } |
| 102 | |
| 103 | static asymbol * |
| 104 | hpux_core_make_empty_symbol (abfd) |
| 105 | bfd *abfd; |
| 106 | { |
| 107 | asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); |
| 108 | if (new) |
| 109 | new->the_bfd = abfd; |
| 110 | return new; |
| 111 | } |
| 112 | |
| 113 | static bfd_target * |
| 114 | hpux_core_core_file_p (abfd) |
| 115 | bfd *abfd; |
| 116 | { |
| 117 | core_hdr (abfd) = (struct hpux_core_struct *) |
| 118 | bfd_zalloc (abfd, sizeof (struct hpux_core_struct)); |
| 119 | if (!core_hdr (abfd)) |
| 120 | return NULL; |
| 121 | |
| 122 | while (1) |
| 123 | { |
| 124 | int val; |
| 125 | struct corehead core_header; |
| 126 | |
| 127 | val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd); |
| 128 | if (val <= 0) |
| 129 | break; |
| 130 | switch (core_header.type) |
| 131 | { |
| 132 | case CORE_KERNEL: |
| 133 | case CORE_FORMAT: |
| 134 | bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */ |
| 135 | break; |
| 136 | case CORE_EXEC: |
| 137 | { |
| 138 | struct proc_exec proc_exec; |
| 139 | if (bfd_read ((void *) &proc_exec, 1, core_header.len, abfd) |
| 140 | != core_header.len) |
| 141 | break; |
| 142 | strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1); |
| 143 | } |
| 144 | break; |
| 145 | case CORE_PROC: |
| 146 | { |
| 147 | struct proc_info proc_info; |
| 148 | core_regsec (abfd) = make_bfd_asection (abfd, ".reg", |
| 149 | SEC_ALLOC + SEC_HAS_CONTENTS, |
| 150 | core_header.len, |
| 151 | (int) &proc_info - (int) &proc_info.hw_regs, |
| 152 | 2); |
| 153 | if (bfd_read (&proc_info, 1, core_header.len, abfd) |
| 154 | != core_header.len) |
| 155 | break; |
| 156 | core_signal (abfd) = proc_info.sig; |
| 157 | } |
| 158 | if (!core_regsec (abfd)) |
| 159 | return NULL; |
| 160 | break; |
| 161 | case CORE_DATA: |
| 162 | core_datasec (abfd) = make_bfd_asection (abfd, ".data", |
| 163 | SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS, |
| 164 | core_header.len, |
| 165 | core_header.addr, |
| 166 | 2); |
| 167 | if (!core_datasec (abfd)) |
| 168 | return NULL; |
| 169 | bfd_seek (abfd, core_header.len, SEEK_CUR); |
| 170 | break; |
| 171 | case CORE_STACK: |
| 172 | core_stacksec (abfd) = make_bfd_asection (abfd, ".stack", |
| 173 | SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS, |
| 174 | core_header.len, |
| 175 | core_header.addr, |
| 176 | 2); |
| 177 | if (!core_stacksec (abfd)) |
| 178 | return NULL; |
| 179 | bfd_seek (abfd, core_header.len, SEEK_CUR); |
| 180 | break; |
| 181 | default: |
| 182 | /* Falling into here is an error and should prevent this |
| 183 | target from matching. That way systems which use hpux |
| 184 | cores along with other formats can still work. */ |
| 185 | return 0; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /* OK, we believe you. You're a core file (sure, sure). */ |
| 190 | |
| 191 | return abfd->xvec; |
| 192 | } |
| 193 | |
| 194 | static char * |
| 195 | hpux_core_core_file_failing_command (abfd) |
| 196 | bfd *abfd; |
| 197 | { |
| 198 | return core_command (abfd); |
| 199 | } |
| 200 | |
| 201 | /* ARGSUSED */ |
| 202 | static int |
| 203 | hpux_core_core_file_failing_signal (abfd) |
| 204 | bfd *abfd; |
| 205 | { |
| 206 | return core_signal (abfd); |
| 207 | } |
| 208 | |
| 209 | /* ARGSUSED */ |
| 210 | static boolean |
| 211 | hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd) |
| 212 | bfd *core_bfd, *exec_bfd; |
| 213 | { |
| 214 | return true; /* FIXME, We have no way of telling at this point */ |
| 215 | } |
| 216 | \f |
| 217 | #define hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound |
| 218 | #define hpux_core_get_symtab _bfd_nosymbols_get_symtab |
| 219 | #define hpux_core_print_symbol _bfd_nosymbols_print_symbol |
| 220 | #define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info |
| 221 | #define hpux_core_bfd_is_local_label _bfd_nosymbols_bfd_is_local_label |
| 222 | #define hpux_core_get_lineno _bfd_nosymbols_get_lineno |
| 223 | #define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line |
| 224 | #define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
| 225 | |
| 226 | /* If somebody calls any byte-swapping routines, shoot them. */ |
| 227 | void |
| 228 | swap_abort() |
| 229 | { |
| 230 | abort(); /* This way doesn't require any declaration for ANSI to fuck up */ |
| 231 | } |
| 232 | #define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort ) |
| 233 | #define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort ) |
| 234 | #define NO_SIGNED_GET \ |
| 235 | ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort ) |
| 236 | |
| 237 | bfd_target hpux_core_vec = |
| 238 | { |
| 239 | "hpux-core", |
| 240 | bfd_target_unknown_flavour, |
| 241 | true, /* target byte order */ |
| 242 | true, /* target headers byte order */ |
| 243 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 244 | HAS_LINENO | HAS_DEBUG | |
| 245 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), |
| 246 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 247 | 0, /* symbol prefix */ |
| 248 | ' ', /* ar_pad_char */ |
| 249 | 16, /* ar_max_namelen */ |
| 250 | 3, /* minimum alignment power */ |
| 251 | NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */ |
| 252 | NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */ |
| 253 | NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */ |
| 254 | NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */ |
| 255 | NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */ |
| 256 | NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */ |
| 257 | |
| 258 | { /* bfd_check_format */ |
| 259 | _bfd_dummy_target, /* unknown format */ |
| 260 | _bfd_dummy_target, /* object file */ |
| 261 | _bfd_dummy_target, /* archive */ |
| 262 | hpux_core_core_file_p /* a core file */ |
| 263 | }, |
| 264 | { /* bfd_set_format */ |
| 265 | bfd_false, bfd_false, |
| 266 | bfd_false, bfd_false |
| 267 | }, |
| 268 | { /* bfd_write_contents */ |
| 269 | bfd_false, bfd_false, |
| 270 | bfd_false, bfd_false |
| 271 | }, |
| 272 | |
| 273 | BFD_JUMP_TABLE_GENERIC (_bfd_generic), |
| 274 | BFD_JUMP_TABLE_COPY (_bfd_generic), |
| 275 | BFD_JUMP_TABLE_CORE (hpux_core), |
| 276 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), |
| 277 | BFD_JUMP_TABLE_SYMBOLS (hpux_core), |
| 278 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), |
| 279 | BFD_JUMP_TABLE_WRITE (_bfd_generic), |
| 280 | BFD_JUMP_TABLE_LINK (_bfd_nolink), |
| 281 | |
| 282 | (PTR) 0 /* backend_data */ |
| 283 | }; |