Changeset 609 for branches/GNU/src/binutils/bfd/coff64-rs6000.c
- Timestamp:
- Aug 16, 2003, 6:59:22 PM (22 years ago)
- File:
-
- 1 edited
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branches/GNU/src/binutils/bfd/coff64-rs6000.c
-
Property cvs2svn:cvs-rev
changed from
1.1
to1.1.1.2
r608 r609 1 1 /* BFD back-end for IBM RS/6000 "XCOFF64" files. 2 Copyright 2000, 2001 2 Copyright 2000, 2001, 2002 3 3 Free Software Foundation, Inc. 4 4 Written Clinton Popetz. 5 5 Contributed by Cygnus Support. 6 6 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 22 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 22 23 #include "bfd.h" 24 #include "sysdep.h" 25 #include "bfdlink.h" 26 #include "libbfd.h" 27 #include "coff/internal.h" 28 #include "coff/xcoff.h" 29 #include "coff/rs6k64.h" 30 #include "libcoff.h" 31 #include "libxcoff.h" 32 33 #define GET_FILEHDR_SYMPTR H_GET_64 34 #define PUT_FILEHDR_SYMPTR H_PUT_64 35 #define GET_AOUTHDR_DATA_START H_GET_64 36 #define PUT_AOUTHDR_DATA_START H_PUT_64 37 #define GET_AOUTHDR_TEXT_START H_GET_64 38 #define PUT_AOUTHDR_TEXT_START H_PUT_64 39 #define GET_AOUTHDR_TSIZE H_GET_64 40 #define PUT_AOUTHDR_TSIZE H_PUT_64 41 #define GET_AOUTHDR_DSIZE H_GET_64 42 #define PUT_AOUTHDR_DSIZE H_PUT_64 43 #define GET_AOUTHDR_BSIZE H_GET_64 44 #define PUT_AOUTHDR_BSIZE H_PUT_64 45 #define GET_AOUTHDR_ENTRY H_GET_64 46 #define PUT_AOUTHDR_ENTRY H_PUT_64 47 #define GET_SCNHDR_PADDR H_GET_64 48 #define PUT_SCNHDR_PADDR H_PUT_64 49 #define GET_SCNHDR_VADDR H_GET_64 50 #define PUT_SCNHDR_VADDR H_PUT_64 51 #define GET_SCNHDR_SIZE H_GET_64 52 #define PUT_SCNHDR_SIZE H_PUT_64 53 #define GET_SCNHDR_SCNPTR H_GET_64 54 #define PUT_SCNHDR_SCNPTR H_PUT_64 55 #define GET_SCNHDR_RELPTR H_GET_64 56 #define PUT_SCNHDR_RELPTR H_PUT_64 57 #define GET_SCNHDR_LNNOPTR H_GET_64 58 #define PUT_SCNHDR_LNNOPTR H_PUT_64 59 #define GET_SCNHDR_NRELOC H_GET_32 60 #define MAX_SCNHDR_NRELOC 0xffffffff 61 #define PUT_SCNHDR_NRELOC H_PUT_32 62 #define GET_SCNHDR_NLNNO H_GET_32 63 #define MAX_SCNHDR_NLNNO 0xffffffff 64 #define PUT_SCNHDR_NLNNO H_PUT_32 65 #define GET_RELOC_VADDR H_GET_64 66 #define PUT_RELOC_VADDR H_PUT_64 67 68 #define COFF_FORCE_SYMBOLS_IN_STRINGS 69 #define COFF_DEBUG_STRING_WIDE_PREFIX 70 71 72 #define COFF_ADJUST_SCNHDR_OUT_POST(ABFD, INT, EXT) \ 73 do \ 74 { \ 75 memset (((SCNHDR *) EXT)->s_pad, 0, \ 76 sizeof (((SCNHDR *) EXT)->s_pad)); \ 77 } \ 78 while (0) 79 80 #define NO_COFF_LINENOS 81 82 #define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in 83 #define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out 84 85 static void _bfd_xcoff64_swap_lineno_in 86 PARAMS ((bfd *, PTR, PTR)); 87 static unsigned int _bfd_xcoff64_swap_lineno_out 88 PARAMS ((bfd *, PTR, PTR)); 89 static bfd_boolean _bfd_xcoff64_put_symbol_name 90 PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *, 91 const char *)); 92 static bfd_boolean _bfd_xcoff64_put_ldsymbol_name 93 PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *, 94 const char *)); 95 static void _bfd_xcoff64_swap_sym_in 96 PARAMS ((bfd *, PTR, PTR)); 97 static unsigned int _bfd_xcoff64_swap_sym_out 98 PARAMS ((bfd *, PTR, PTR)); 99 static void _bfd_xcoff64_swap_aux_in 100 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 101 static unsigned int _bfd_xcoff64_swap_aux_out 102 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 103 static void xcoff64_swap_reloc_in 104 PARAMS ((bfd *, PTR, PTR)); 105 static unsigned int xcoff64_swap_reloc_out 106 PARAMS ((bfd *, PTR, PTR)); 107 extern bfd_boolean _bfd_xcoff_mkobject 108 PARAMS ((bfd *)); 109 extern bfd_boolean _bfd_xcoff_copy_private_bfd_data 110 PARAMS ((bfd *, bfd *)); 111 extern bfd_boolean _bfd_xcoff_is_local_label_name 112 PARAMS ((bfd *, const char *)); 113 extern void xcoff64_rtype2howto 114 PARAMS ((arelent *, struct internal_reloc *)); 115 extern reloc_howto_type * xcoff64_reloc_type_lookup 116 PARAMS ((bfd *, bfd_reloc_code_real_type)); 117 extern bfd_boolean _bfd_xcoff_slurp_armap 118 PARAMS ((bfd *)); 119 extern PTR _bfd_xcoff_read_ar_hdr 120 PARAMS ((bfd *)); 121 extern bfd *_bfd_xcoff_openr_next_archived_file 122 PARAMS ((bfd *, bfd *)); 123 extern int _bfd_xcoff_stat_arch_elt 124 PARAMS ((bfd *, struct stat *)); 125 extern bfd_boolean _bfd_xcoff_write_armap 126 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); 127 extern bfd_boolean _bfd_xcoff_write_archive_contents 128 PARAMS ((bfd *)); 129 extern int _bfd_xcoff_sizeof_headers 130 PARAMS ((bfd *, bfd_boolean)); 131 extern void _bfd_xcoff_swap_sym_in 132 PARAMS ((bfd *, PTR, PTR)); 133 extern unsigned int _bfd_xcoff_swap_sym_out 134 PARAMS ((bfd *, PTR, PTR)); 135 extern void _bfd_xcoff_swap_aux_in 136 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 137 extern unsigned int _bfd_xcoff_swap_aux_out 138 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 139 static void xcoff64_swap_ldhdr_in 140 PARAMS ((bfd *, const PTR, struct internal_ldhdr *)); 141 static void xcoff64_swap_ldhdr_out 142 PARAMS ((bfd *, const struct internal_ldhdr *, PTR d)); 143 static void xcoff64_swap_ldsym_in 144 PARAMS ((bfd *, const PTR, struct internal_ldsym *)); 145 static void xcoff64_swap_ldsym_out 146 PARAMS ((bfd *, const struct internal_ldsym *, PTR d)); 147 static void xcoff64_swap_ldrel_in 148 PARAMS ((bfd *, const PTR, struct internal_ldrel *)); 149 static void xcoff64_swap_ldrel_out 150 PARAMS ((bfd *, const struct internal_ldrel *, PTR d)); 151 static bfd_boolean xcoff64_write_object_contents 152 PARAMS ((bfd *)); 153 static bfd_boolean xcoff64_ppc_relocate_section 154 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 155 struct internal_reloc *, struct internal_syment *, 156 asection **)); 157 static bfd_boolean xcoff64_slurp_armap 158 PARAMS ((bfd *)); 159 static const bfd_target *xcoff64_archive_p 160 PARAMS ((bfd *)); 161 static bfd *xcoff64_openr_next_archived_file 162 PARAMS ((bfd *, bfd *)); 163 static int xcoff64_sizeof_headers 164 PARAMS ((bfd *, bfd_boolean)); 165 static asection *xcoff64_create_csect_from_smclas 166 PARAMS ((bfd *, union internal_auxent *, const char *)); 167 static bfd_boolean xcoff64_is_lineno_count_overflow 168 PARAMS ((bfd *, bfd_vma)); 169 static bfd_boolean xcoff64_is_reloc_count_overflow 170 PARAMS ((bfd *, bfd_vma)); 171 static bfd_vma xcoff64_loader_symbol_offset 172 PARAMS ((bfd *, struct internal_ldhdr *)); 173 static bfd_vma xcoff64_loader_reloc_offset 174 PARAMS ((bfd *, struct internal_ldhdr *)); 175 static bfd_boolean xcoff64_generate_rtinit 176 PARAMS ((bfd *, const char *, const char *, bfd_boolean)); 177 static bfd_boolean xcoff64_bad_format_hook 178 PARAMS ((bfd *, PTR )); 179 180 /* Relocation functions */ 181 static bfd_boolean xcoff64_reloc_type_br 182 PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); 183 184 bfd_boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) 185 PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)) = 186 { 187 xcoff_reloc_type_pos, /* R_POS (0x00) */ 188 xcoff_reloc_type_neg, /* R_NEG (0x01) */ 189 xcoff_reloc_type_rel, /* R_REL (0x02) */ 190 xcoff_reloc_type_toc, /* R_TOC (0x03) */ 191 xcoff_reloc_type_fail, /* R_RTB (0x04) */ 192 xcoff_reloc_type_toc, /* R_GL (0x05) */ 193 xcoff_reloc_type_toc, /* R_TCL (0x06) */ 194 xcoff_reloc_type_fail, /* (0x07) */ 195 xcoff_reloc_type_ba, /* R_BA (0x08) */ 196 xcoff_reloc_type_fail, /* (0x09) */ 197 xcoff64_reloc_type_br, /* R_BR (0x0a) */ 198 xcoff_reloc_type_fail, /* (0x0b) */ 199 xcoff_reloc_type_pos, /* R_RL (0x0c) */ 200 xcoff_reloc_type_pos, /* R_RLA (0x0d) */ 201 xcoff_reloc_type_fail, /* (0x0e) */ 202 xcoff_reloc_type_noop, /* R_REF (0x0f) */ 203 xcoff_reloc_type_fail, /* (0x10) */ 204 xcoff_reloc_type_fail, /* (0x11) */ 205 xcoff_reloc_type_toc, /* R_TRL (0x12) */ 206 xcoff_reloc_type_toc, /* R_TRLA (0x13) */ 207 xcoff_reloc_type_fail, /* R_RRTBI (0x14) */ 208 xcoff_reloc_type_fail, /* R_RRTBA (0x15) */ 209 xcoff_reloc_type_ba, /* R_CAI (0x16) */ 210 xcoff_reloc_type_crel, /* R_CREL (0x17) */ 211 xcoff_reloc_type_ba, /* R_RBA (0x18) */ 212 xcoff_reloc_type_ba, /* R_RBAC (0x19) */ 213 xcoff64_reloc_type_br, /* R_RBR (0x1a) */ 214 xcoff_reloc_type_ba, /* R_RBRC (0x1b) */ 215 }; 216 217 /* coffcode.h needs these to be defined. */ 23 218 /* Internalcoff.h and coffcode.h modify themselves based on these flags. */ 24 219 #define XCOFF64 25 220 #define RS6000COFF_C 1 26 221 27 #include "bfd.h" 28 #include "sysdep.h" 29 #include "libbfd.h" 30 #include "coff/internal.h" 31 #include "coff/rs6k64.h" 32 #include "libcoff.h" 33 34 #define GET_FILEHDR_SYMPTR bfd_h_get_64 35 #define PUT_FILEHDR_SYMPTR bfd_h_put_64 36 #define GET_AOUTHDR_DATA_START bfd_h_get_64 37 #define PUT_AOUTHDR_DATA_START bfd_h_put_64 38 #define GET_AOUTHDR_TEXT_START bfd_h_get_64 39 #define PUT_AOUTHDR_TEXT_START bfd_h_put_64 40 #define GET_AOUTHDR_TSIZE bfd_h_get_64 41 #define PUT_AOUTHDR_TSIZE bfd_h_put_64 42 #define GET_AOUTHDR_DSIZE bfd_h_get_64 43 #define PUT_AOUTHDR_DSIZE bfd_h_put_64 44 #define GET_AOUTHDR_BSIZE bfd_h_get_64 45 #define PUT_AOUTHDR_BSIZE bfd_h_put_64 46 #define GET_AOUTHDR_ENTRY bfd_h_get_64 47 #define PUT_AOUTHDR_ENTRY bfd_h_put_64 48 #define GET_SCNHDR_PADDR bfd_h_get_64 49 #define PUT_SCNHDR_PADDR bfd_h_put_64 50 #define GET_SCNHDR_VADDR bfd_h_get_64 51 #define PUT_SCNHDR_VADDR bfd_h_put_64 52 #define GET_SCNHDR_SIZE bfd_h_get_64 53 #define PUT_SCNHDR_SIZE bfd_h_put_64 54 #define GET_SCNHDR_SCNPTR bfd_h_get_64 55 #define PUT_SCNHDR_SCNPTR bfd_h_put_64 56 #define GET_SCNHDR_RELPTR bfd_h_get_64 57 #define PUT_SCNHDR_RELPTR bfd_h_put_64 58 #define GET_SCNHDR_LNNOPTR bfd_h_get_64 59 #define PUT_SCNHDR_LNNOPTR bfd_h_put_64 60 #define GET_SCNHDR_NRELOC bfd_h_get_32 61 #define MAX_SCNHDR_NRELOC 0xffffffff 62 #define PUT_SCNHDR_NRELOC bfd_h_put_32 63 #define GET_SCNHDR_NLNNO bfd_h_get_32 64 #define MAX_SCNHDR_NLNNO 0xffffffff 65 #define PUT_SCNHDR_NLNNO bfd_h_put_32 66 #define GET_RELOC_VADDR bfd_h_get_64 67 #define PUT_RELOC_VADDR bfd_h_put_64 68 69 #define COFF_FORCE_SYMBOLS_IN_STRINGS 70 #define COFF_DEBUG_STRING_WIDE_PREFIX 71 72 #define COFF_ADJUST_SCNHDR_OUT_POST(ABFD,INT,EXT) \ 73 do { \ 74 memset (((SCNHDR *)EXT)->s_pad, 0, sizeof (((SCNHDR *)EXT)->s_pad));\ 75 } while (0) 76 77 #define NO_COFF_LINENOS 78 79 #define coff_SWAP_lineno_in xcoff64_swap_lineno_in 80 #define coff_SWAP_lineno_out xcoff64_swap_lineno_out 81 82 #define PUTWORD bfd_h_put_32 83 #define PUTHALF bfd_h_put_16 84 #define PUTBYTE bfd_h_put_8 85 #define GETWORD bfd_h_get_32 86 #define GETHALF bfd_h_get_16 87 #define GETBYTE bfd_h_get_8 222 #define SELECT_RELOC(internal, howto) \ 223 { \ 224 internal.r_type = howto->type; \ 225 internal.r_size = \ 226 ((howto->complain_on_overflow == complain_overflow_signed \ 227 ? 0x80 \ 228 : 0) \ 229 | (howto->bitsize - 1)); \ 230 } 231 232 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) 233 #define COFF_LONG_FILENAMES 234 #define NO_COFF_SYMBOLS 235 #define RTYPE2HOWTO(cache_ptr, dst) xcoff64_rtype2howto (cache_ptr, dst) 236 #define coff_mkobject _bfd_xcoff_mkobject 237 #define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data 238 #define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name 239 #define coff_bfd_reloc_type_lookup xcoff64_reloc_type_lookup 240 #ifdef AIX_CORE 241 extern const bfd_target * rs6000coff_core_p 242 PARAMS ((bfd *abfd)); 243 extern bfd_boolean rs6000coff_core_file_matches_executable_p 244 PARAMS ((bfd *cbfd, bfd *ebfd)); 245 extern char *rs6000coff_core_file_failing_command 246 PARAMS ((bfd *abfd)); 247 extern int rs6000coff_core_file_failing_signal 248 PARAMS ((bfd *abfd)); 249 #define CORE_FILE_P rs6000coff_core_p 250 #define coff_core_file_failing_command \ 251 rs6000coff_core_file_failing_command 252 #define coff_core_file_failing_signal \ 253 rs6000coff_core_file_failing_signal 254 #define coff_core_file_matches_executable_p \ 255 rs6000coff_core_file_matches_executable_p 256 #else 257 #define CORE_FILE_P _bfd_dummy_target 258 #define coff_core_file_failing_command \ 259 _bfd_nocore_core_file_failing_command 260 #define coff_core_file_failing_signal \ 261 _bfd_nocore_core_file_failing_signal 262 #define coff_core_file_matches_executable_p \ 263 _bfd_nocore_core_file_matches_executable_p 264 #endif 265 #define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in 266 #define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out 267 #define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in 268 #define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out 269 #define coff_swap_reloc_in xcoff64_swap_reloc_in 270 #define coff_swap_reloc_out xcoff64_swap_reloc_out 271 #define NO_COFF_RELOCS 272 273 #include "coffcode.h" 88 274 89 275 /* For XCOFF64, the effective width of symndx changes depending on 90 276 whether we are the first entry. Sigh. */ 91 277 static void 92 xcoff64_swap_lineno_in (abfd, ext1, in1)93 bfd 278 _bfd_xcoff64_swap_lineno_in (abfd, ext1, in1) 279 bfd *abfd; 94 280 PTR ext1; 95 281 PTR in1; 96 282 { 97 LINENO *ext = (LINENO *) ext1;98 struct internal_lineno *in = (struct internal_lineno *)in1;99 100 in->l_lnno = bfd_h_get_32(abfd, (bfd_byte *)(ext->l_lnno));283 LINENO *ext = (LINENO *) ext1; 284 struct internal_lineno *in = (struct internal_lineno *) in1; 285 286 in->l_lnno = H_GET_32 (abfd, (ext->l_lnno)); 101 287 if (in->l_lnno == 0) 102 in->l_addr.l_symndx = 103 bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx); 288 in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx); 104 289 else 105 in->l_addr.l_symndx = 106 bfd_h_get_64(abfd, (bfd_byte *) ext->l_addr.l_symndx); 290 in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr); 107 291 } 108 292 109 293 static unsigned int 110 xcoff64_swap_lineno_out (abfd, inp, outp)111 bfd 112 PTR 113 PTR 114 { 115 struct internal_lineno *in = (struct internal_lineno *) inp;116 struct external_lineno *ext = (struct external_lineno *) outp;117 PUTWORD(abfd, in->l_addr.l_symndx, (bfd_byte *) 118 119 120 bfd_h_put_32 (abfd, in->l_lnno, (bfd_byte *) (ext->l_lnno)); 294 _bfd_xcoff64_swap_lineno_out (abfd, inp, outp) 295 bfd *abfd; 296 PTR inp; 297 PTR outp; 298 { 299 struct internal_lineno *in = (struct internal_lineno *) inp; 300 struct external_lineno *ext = (struct external_lineno *) outp; 301 302 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); 303 H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno)); 304 121 305 if (in->l_lnno == 0) 122 bfd_h_put_32 (abfd, in->l_addr.l_symndx, (bfd_byte *)ext->l_addr.l_symndx);306 H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); 123 307 else 124 bfd_h_put_64 (abfd, in->l_addr.l_symndx, (bfd_byte *)ext->l_addr.l_symndx);308 H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr); 125 309 126 310 return bfd_coff_linesz (abfd); 127 311 } 128 312 129 static void xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));130 static unsigned int xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));131 static void xcoff64_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR));132 static unsigned int xcoff64_swap_aux_out PARAMS ((bfd *, PTR, int, int, int, int, PTR));133 134 313 static void 135 xcoff64_swap_sym_in (abfd, ext1, in1)136 bfd 314 _bfd_xcoff64_swap_sym_in (abfd, ext1, in1) 315 bfd *abfd; 137 316 PTR ext1; 138 317 PTR in1; 139 318 { 140 SYMENT *ext = (SYMENT *)ext1;141 struct internal_syment *in = (struct internal_syment *)in1;319 struct external_syment *ext = (struct external_syment *) ext1; 320 struct internal_syment *in = (struct internal_syment *) in1; 142 321 143 322 in->_n._n_n._n_zeroes = 0; 144 in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *)ext->e_offset);145 in->n_value = bfd_h_get_64(abfd, (bfd_byte *) ext->e.e_value);146 in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *)ext->e_scnum);147 in->n_type = bfd_h_get_16(abfd, (bfd_byte *)ext->e_type);148 in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);149 in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);323 in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e_offset); 324 in->n_value = H_GET_64 (abfd, ext->e_value); 325 in->n_scnum = H_GET_16 (abfd, ext->e_scnum); 326 in->n_type = H_GET_16 (abfd, ext->e_type); 327 in->n_sclass = H_GET_8 (abfd, ext->e_sclass); 328 in->n_numaux = H_GET_8 (abfd, ext->e_numaux); 150 329 } 151 330 152 331 static unsigned int 153 xcoff64_swap_sym_out (abfd, inp, extp)154 bfd 155 PTR 156 PTR 157 { 158 struct internal_syment *in = (struct internal_syment *) inp;159 SYMENT *ext =(SYMENT *)extp;160 161 bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *)ext->e_offset);162 bfd_h_put_64(abfd, in->n_value , (bfd_byte *) ext->e.e_value);163 bfd_h_put_16(abfd, in->n_scnum , (bfd_byte *)ext->e_scnum);164 bfd_h_put_16(abfd, in->n_type , (bfd_byte *)ext->e_type);165 bfd_h_put_8(abfd, in->n_sclass, ext->e_sclass);166 bfd_h_put_8(abfd, in->n_numaux, ext->e_numaux);332 _bfd_xcoff64_swap_sym_out (abfd, inp, extp) 333 bfd *abfd; 334 PTR inp; 335 PTR extp; 336 { 337 struct internal_syment *in = (struct internal_syment *) inp; 338 struct external_syment *ext = (struct external_syment *) extp; 339 340 H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset); 341 H_PUT_64 (abfd, in->n_value, ext->e_value); 342 H_PUT_16 (abfd, in->n_scnum, ext->e_scnum); 343 H_PUT_16 (abfd, in->n_type, ext->e_type); 344 H_PUT_8 (abfd, in->n_sclass, ext->e_sclass); 345 H_PUT_8 (abfd, in->n_numaux, ext->e_numaux); 167 346 return bfd_coff_symesz (abfd); 168 347 } 169 348 170 349 static void 171 xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1) 172 bfd *abfd; 173 PTR ext1; 174 int type; 175 int class; 176 int indx; 177 int numaux; 178 PTR in1; 179 { 180 AUXENT *ext = (AUXENT *)ext1; 181 union internal_auxent *in = (union internal_auxent *)in1; 182 183 switch (class) { 350 _bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1) 351 bfd *abfd; 352 PTR ext1; 353 int type; 354 int class; 355 int indx; 356 int numaux; 357 PTR in1; 358 { 359 union external_auxent *ext = (union external_auxent *) ext1; 360 union internal_auxent *in = (union internal_auxent *) in1; 361 362 switch (class) 363 { 184 364 case C_FILE: 185 if (ext->x_file.x_fname[0] == 0) { 365 if (ext->x_file.x_n.x_zeroes[0] == 0) 366 { 186 367 in->x_file.x_n.x_zeroes = 0; 187 in->x_file.x_n.x_offset = 188 bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset); 189 } else { 190 if (numaux > 1) 191 { 192 if (indx == 0) 193 memcpy (in->x_file.x_fname, ext->x_file.x_fname, 194 numaux * sizeof (AUXENT)); 195 } 196 else 197 { 198 memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN); 199 } 200 } 368 in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset); 369 } 370 else 371 { 372 memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN); 373 } 201 374 goto end; 202 375 … … 206 379 if (indx + 1 == numaux) 207 380 { 208 in->x_csect.x_scnlen.l = 209 bfd_h_get_32(abfd, ext->x_csect.x_scnlen_lo); 210 /* FIXME: If we want section lengths larger than 32 bits, we need 211 to modify the internal coff structures to support it. */ 212 in->x_csect.x_parmhash = bfd_h_get_32 (abfd, 213 ext->x_csect.x_parmhash); 214 in->x_csect.x_snhash = bfd_h_get_16 (abfd, ext->x_csect.x_snhash); 381 bfd_signed_vma h = 0; 382 bfd_vma l = 0; 383 384 h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi); 385 l = H_GET_32 (abfd, ext->x_csect.x_scnlen_lo); 386 387 in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff); 388 389 in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash); 390 in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash); 215 391 /* We don't have to hack bitfields in x_smtyp because it's 216 392 defined by shifts-and-ands, which are equivalent on all 217 393 byte orders. */ 218 in->x_csect.x_smtyp = bfd_h_get_8(abfd, ext->x_csect.x_smtyp);219 in->x_csect.x_smclas = bfd_h_get_8(abfd, ext->x_csect.x_smclas);394 in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp); 395 in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas); 220 396 goto end; 221 397 } … … 225 401 case C_LEAFSTAT: 226 402 case C_HIDDEN: 227 if (type == T_NULL) { 403 if (type == T_NULL) 404 { 228 405 /* PE defines some extra fields; we zero them out for 229 406 safety. */ 230 407 in->x_scn.x_checksum = 0; 231 408 in->x_scn.x_associated = 0; … … 239 416 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) 240 417 { 241 in->x_sym.x_fcnary.x_fcn.x_lnnoptr = bfd_h_get_64(abfd, (bfd_byte *) 242 ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); 243 in->x_sym.x_fcnary.x_fcn.x_endndx.l = bfd_h_get_32(abfd, (bfd_byte *) 244 ext->x_sym.x_fcnary.x_fcn.x_endndx); 245 } 246 if (ISFCN(type)) { 247 in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize); 418 in->x_sym.x_fcnary.x_fcn.x_lnnoptr 419 = H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); 420 in->x_sym.x_fcnary.x_fcn.x_endndx.l 421 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx); 422 } 423 if (ISFCN (type)) 424 { 425 in->x_sym.x_misc.x_fsize 426 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize); 427 } 428 else 429 { 430 in->x_sym.x_misc.x_lnsz.x_lnno 431 = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno); 432 in->x_sym.x_misc.x_lnsz.x_size 433 = H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size); 434 } 435 436 end: ; 437 } 438 439 static unsigned int 440 _bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp) 441 bfd *abfd; 442 PTR inp; 443 int type; 444 int class; 445 int indx ATTRIBUTE_UNUSED; 446 int numaux ATTRIBUTE_UNUSED; 447 PTR extp; 448 { 449 union internal_auxent *in = (union internal_auxent *) inp; 450 union external_auxent *ext = (union external_auxent *) extp; 451 452 memset ((PTR) ext, 0, bfd_coff_auxesz (abfd)); 453 switch (class) 454 { 455 case C_FILE: 456 if (in->x_file.x_n.x_zeroes == 0) 457 { 458 H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes); 459 H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset); 460 } 461 else 462 { 463 memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN); 464 } 465 H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype); 466 goto end; 467 468 /* RS/6000 "csect" auxents */ 469 case C_EXT: 470 case C_HIDEXT: 471 if (indx + 1 == numaux) 472 { 473 bfd_vma temp; 474 475 temp = in->x_csect.x_scnlen.l & 0xffffffff; 476 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo); 477 temp = in->x_csect.x_scnlen.l >> 32; 478 H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi); 479 H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash); 480 H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash); 481 /* We don't have to hack bitfields in x_smtyp because it's 482 defined by shifts-and-ands, which are equivalent on all 483 byte orders. */ 484 H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp); 485 H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas); 486 H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype); 487 goto end; 488 } 489 break; 490 491 case C_STAT: 492 case C_LEAFSTAT: 493 case C_HIDDEN: 494 if (type == T_NULL) 495 { 496 goto end; 497 } 498 break; 499 } 500 501 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) 502 { 503 H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, 504 ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); 505 H_PUT_8 (abfd, _AUX_FCN, 506 ext->x_auxtype.x_auxtype); 507 H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, 508 ext->x_sym.x_fcnary.x_fcn.x_endndx); 509 } 510 if (ISFCN (type)) 511 { 512 H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, 513 ext->x_sym.x_fcnary.x_fcn.x_fsize); 514 } 515 else 516 { 517 H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, 518 ext->x_sym.x_fcnary.x_lnsz.x_lnno); 519 H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size, 520 ext->x_sym.x_fcnary.x_lnsz.x_size); 521 } 522 523 end: 524 525 return bfd_coff_auxesz (abfd); 526 } 527 528 static bfd_boolean 529 _bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name) 530 bfd *abfd; 531 struct bfd_strtab_hash *strtab; 532 struct internal_syment *sym; 533 const char *name; 534 { 535 bfd_boolean hash; 536 bfd_size_type indx; 537 538 hash = TRUE; 539 540 if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0) 541 hash = FALSE; 542 543 indx = _bfd_stringtab_add (strtab, name, hash, FALSE); 544 545 if (indx == (bfd_size_type) -1) 546 return FALSE; 547 548 sym->_n._n_n._n_zeroes = 0; 549 sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx; 550 551 return TRUE; 552 } 553 554 static bfd_boolean 555 _bfd_xcoff64_put_ldsymbol_name (abfd, ldinfo, ldsym, name) 556 bfd *abfd ATTRIBUTE_UNUSED; 557 struct xcoff_loader_info *ldinfo; 558 struct internal_ldsym *ldsym; 559 const char *name; 560 { 561 size_t len; 562 len = strlen (name); 563 564 if (ldinfo->string_size + len + 3 > ldinfo->string_alc) 565 { 566 bfd_size_type newalc; 567 bfd_byte *newstrings; 568 569 newalc = ldinfo->string_alc * 2; 570 if (newalc == 0) 571 newalc = 32; 572 while (ldinfo->string_size + len + 3 > newalc) 573 newalc *= 2; 574 575 newstrings = ((bfd_byte *) 576 bfd_realloc ((PTR) ldinfo->strings, newalc)); 577 if (newstrings == NULL) 578 { 579 ldinfo->failed = TRUE; 580 return FALSE; 581 } 582 ldinfo->string_alc = newalc; 583 ldinfo->strings = newstrings; 584 } 585 586 bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (len + 1), 587 ldinfo->strings + ldinfo->string_size); 588 strcpy (ldinfo->strings + ldinfo->string_size + 2, name); 589 ldsym->_l._l_l._l_zeroes = 0; 590 ldsym->_l._l_l._l_offset = ldinfo->string_size + 2; 591 ldinfo->string_size += len + 3; 592 593 return TRUE; 594 } 595 596 /* Routines to swap information in the XCOFF .loader section. If we 597 ever need to write an XCOFF loader, this stuff will need to be 598 moved to another file shared by the linker (which XCOFF calls the 599 ``binder'') and the loader. */ 600 601 /* Swap in the ldhdr structure. */ 602 603 static void 604 xcoff64_swap_ldhdr_in (abfd, s, dst) 605 bfd *abfd; 606 const PTR s; 607 struct internal_ldhdr *dst; 608 { 609 const struct external_ldhdr *src = (const struct external_ldhdr *) s; 610 611 dst->l_version = bfd_get_32 (abfd, src->l_version); 612 dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms); 613 dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc); 614 dst->l_istlen = bfd_get_32 (abfd, src->l_istlen); 615 dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid); 616 dst->l_stlen = bfd_get_32 (abfd, src->l_stlen); 617 dst->l_impoff = bfd_get_64 (abfd, src->l_impoff); 618 dst->l_stoff = bfd_get_64 (abfd, src->l_stoff); 619 dst->l_symoff = bfd_get_64 (abfd, src->l_symoff); 620 dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff); 621 } 622 623 /* Swap out the ldhdr structure. */ 624 625 static void 626 xcoff64_swap_ldhdr_out (abfd, src, d) 627 bfd *abfd; 628 const struct internal_ldhdr *src; 629 PTR d; 630 { 631 struct external_ldhdr *dst = (struct external_ldhdr *) d; 632 633 bfd_put_32 (abfd, (bfd_vma) src->l_version, dst->l_version); 634 bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms); 635 bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc); 636 bfd_put_32 (abfd, src->l_istlen, dst->l_istlen); 637 bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid); 638 bfd_put_32 (abfd, src->l_stlen, dst->l_stlen); 639 bfd_put_64 (abfd, src->l_impoff, dst->l_impoff); 640 bfd_put_64 (abfd, src->l_stoff, dst->l_stoff); 641 bfd_put_64 (abfd, src->l_symoff, dst->l_symoff); 642 bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff); 643 } 644 645 /* Swap in the ldsym structure. */ 646 647 static void 648 xcoff64_swap_ldsym_in (abfd, s, dst) 649 bfd *abfd; 650 const PTR s; 651 struct internal_ldsym *dst; 652 { 653 const struct external_ldsym *src = (const struct external_ldsym *) s; 654 /* XCOFF64 does not use l_zeroes like XCOFF32 655 Set the internal l_zeroes to 0 so the common 32/64 code uses l_value 656 as an offset into the loader symbol table. */ 657 dst->_l._l_l._l_zeroes = 0; 658 dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset); 659 dst->l_value = bfd_get_64 (abfd, src->l_value); 660 dst->l_scnum = bfd_get_16 (abfd, src->l_scnum); 661 dst->l_smtype = bfd_get_8 (abfd, src->l_smtype); 662 dst->l_smclas = bfd_get_8 (abfd, src->l_smclas); 663 dst->l_ifile = bfd_get_32 (abfd, src->l_ifile); 664 dst->l_parm = bfd_get_32 (abfd, src->l_parm); 665 } 666 667 /* Swap out the ldsym structure. */ 668 669 static void 670 xcoff64_swap_ldsym_out (abfd, src, d) 671 bfd *abfd; 672 const struct internal_ldsym *src; 673 PTR d; 674 { 675 struct external_ldsym *dst = (struct external_ldsym *) d; 676 677 bfd_put_64 (abfd, src->l_value, dst->l_value); 678 bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset); 679 bfd_put_16 (abfd, (bfd_vma) src->l_scnum, dst->l_scnum); 680 bfd_put_8 (abfd, src->l_smtype, dst->l_smtype); 681 bfd_put_8 (abfd, src->l_smclas, dst->l_smclas); 682 bfd_put_32 (abfd, src->l_ifile, dst->l_ifile); 683 bfd_put_32 (abfd, src->l_parm, dst->l_parm); 684 } 685 686 static void 687 xcoff64_swap_reloc_in (abfd, s, d) 688 bfd *abfd; 689 PTR s; 690 PTR d; 691 { 692 struct external_reloc *src = (struct external_reloc *) s; 693 struct internal_reloc *dst = (struct internal_reloc *) d; 694 695 memset (dst, 0, sizeof (struct internal_reloc)); 696 697 dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr); 698 dst->r_symndx = bfd_get_32 (abfd, src->r_symndx); 699 dst->r_size = bfd_get_8 (abfd, src->r_size); 700 dst->r_type = bfd_get_8 (abfd, src->r_type); 701 } 702 703 static unsigned int 704 xcoff64_swap_reloc_out (abfd, s, d) 705 bfd *abfd; 706 PTR s; 707 PTR d; 708 { 709 struct internal_reloc *src = (struct internal_reloc *) s; 710 struct external_reloc *dst = (struct external_reloc *) d; 711 712 bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr); 713 bfd_put_32 (abfd, src->r_symndx, dst->r_symndx); 714 bfd_put_8 (abfd, src->r_type, dst->r_type); 715 bfd_put_8 (abfd, src->r_size, dst->r_size); 716 717 return bfd_coff_relsz (abfd); 718 } 719 720 /* Swap in the ldrel structure. */ 721 722 static void 723 xcoff64_swap_ldrel_in (abfd, s, dst) 724 bfd *abfd; 725 const PTR s; 726 struct internal_ldrel *dst; 727 { 728 const struct external_ldrel *src = (const struct external_ldrel *) s; 729 730 dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr); 731 dst->l_symndx = bfd_get_32 (abfd, src->l_symndx); 732 dst->l_rtype = bfd_get_16 (abfd, src->l_rtype); 733 dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm); 734 } 735 736 /* Swap out the ldrel structure. */ 737 738 static void 739 xcoff64_swap_ldrel_out (abfd, src, d) 740 bfd *abfd; 741 const struct internal_ldrel *src; 742 PTR d; 743 { 744 struct external_ldrel *dst = (struct external_ldrel *) d; 745 746 bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr); 747 bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype); 748 bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm); 749 bfd_put_32 (abfd, src->l_symndx, dst->l_symndx); 750 } 751 752 static bfd_boolean 753 xcoff64_write_object_contents (abfd) 754 bfd *abfd; 755 { 756 asection *current; 757 bfd_boolean hasrelocs = FALSE; 758 bfd_boolean haslinno = FALSE; 759 file_ptr scn_base; 760 file_ptr reloc_base; 761 file_ptr lineno_base; 762 file_ptr sym_base; 763 unsigned long reloc_size = 0; 764 unsigned long lnno_size = 0; 765 bfd_boolean long_section_names; 766 asection *text_sec = ((void *) 0); 767 asection *data_sec = ((void *) 0); 768 asection *bss_sec = ((void *) 0); 769 struct internal_filehdr internal_f; 770 struct internal_aouthdr internal_a; 771 772 bfd_set_error (bfd_error_system_call); 773 774 if (! abfd->output_has_begun) 775 { 776 if (! bfd_coff_compute_section_file_positions (abfd)) 777 return FALSE; 778 } 779 780 /* Work out the size of the reloc and linno areas. */ 781 reloc_base = obj_relocbase (abfd); 782 783 for (current = abfd->sections; current != NULL; current = current->next) 784 reloc_size += current->reloc_count * bfd_coff_relsz (abfd); 785 786 lineno_base = reloc_base + reloc_size; 787 788 /* Make a pass through the symbol table to count line number entries and 789 put them into the correct asections. */ 790 lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd); 791 792 sym_base = lineno_base + lnno_size; 793 794 /* Indicate in each section->line_filepos its actual file address. */ 795 for (current = abfd->sections; current != NULL; current = current->next) 796 { 797 if (current->lineno_count) 798 { 799 current->line_filepos = lineno_base; 800 current->moving_line_filepos = lineno_base; 801 lineno_base += current->lineno_count * bfd_coff_linesz (abfd); 802 } 803 else 804 { 805 current->line_filepos = 0; 806 } 807 808 if (current->reloc_count) 809 { 810 current->rel_filepos = reloc_base; 811 reloc_base += current->reloc_count * bfd_coff_relsz (abfd); 812 } 813 else 814 { 815 current->rel_filepos = 0; 816 } 817 } 818 819 if ((abfd->flags & EXEC_P) != 0) 820 { 821 scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd); 822 internal_f.f_opthdr = bfd_coff_aoutsz (abfd); 823 } 824 else 825 { 826 scn_base = bfd_coff_filhsz (abfd); 827 internal_f.f_opthdr = 0; 828 } 829 830 internal_f.f_nscns = 0; 831 832 if (bfd_seek (abfd, scn_base, SEEK_SET) != 0) 833 return FALSE; 834 835 long_section_names = FALSE; 836 for (current = abfd->sections; current != NULL; current = current->next) 837 { 838 struct internal_scnhdr section; 839 struct external_scnhdr buff; 840 bfd_size_type amount; 841 842 internal_f.f_nscns++; 843 844 strncpy (section.s_name, current->name, SCNNMLEN); 845 846 section.s_vaddr = current->vma; 847 section.s_paddr = current->lma; 848 section.s_size = current->_raw_size; 849 850 /* If this section has no size or is unloadable then the scnptr 851 will be 0 too. */ 852 if (current->_raw_size == 0 853 || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) 854 { 855 section.s_scnptr = 0; 856 } 857 else 858 { 859 section.s_scnptr = current->filepos; 860 } 861 862 section.s_relptr = current->rel_filepos; 863 section.s_lnnoptr = current->line_filepos; 864 section.s_nreloc = current->reloc_count; 865 866 section.s_nlnno = current->lineno_count; 867 if (current->reloc_count != 0) 868 hasrelocs = TRUE; 869 if (current->lineno_count != 0) 870 haslinno = TRUE; 871 872 section.s_flags = sec_to_styp_flags (current->name, current->flags); 873 874 if (!strcmp (current->name, _TEXT)) 875 { 876 text_sec = current; 877 } 878 else if (!strcmp (current->name, _DATA)) 879 { 880 data_sec = current; 881 } 882 else if (!strcmp (current->name, _BSS)) 883 { 884 bss_sec = current; 885 } 886 887 amount = bfd_coff_scnhsz (abfd); 888 if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 889 || bfd_bwrite ((PTR) (&buff), amount, abfd) != amount) 890 return FALSE; 891 } 892 893 internal_f.f_timdat = 0; 894 895 internal_f.f_flags = 0; 896 897 if (!hasrelocs) 898 internal_f.f_flags |= F_RELFLG; 899 if (!haslinno) 900 internal_f.f_flags |= F_LNNO; 901 if (abfd->flags & EXEC_P) 902 internal_f.f_flags |= F_EXEC; 903 904 /* FIXME: this is wrong for PPC_PE! */ 905 if (bfd_little_endian (abfd)) 906 internal_f.f_flags |= F_AR32WR; 907 else 908 internal_f.f_flags |= F_AR32W; 909 910 if ((abfd->flags & DYNAMIC) != 0) 911 internal_f.f_flags |= F_SHROBJ; 912 if (bfd_get_section_by_name (abfd, _LOADER) != NULL) 913 internal_f.f_flags |= F_DYNLOAD; 914 915 memset (&internal_a, 0, sizeof internal_a); 916 917 internal_f.f_magic = bfd_xcoff_magic_number (abfd); 918 internal_a.magic = (abfd->flags & D_PAGED 919 ? RS6K_AOUTHDR_ZMAGIC 920 : (abfd->flags & WP_TEXT 921 ? RS6K_AOUTHDR_NMAGIC 922 : RS6K_AOUTHDR_OMAGIC)); 923 924 /* FIXME: Does anybody ever set this to another value? */ 925 internal_a.vstamp = 0; 926 927 /* Now should write relocs, strings, syms. */ 928 obj_sym_filepos (abfd) = sym_base; 929 930 internal_f.f_symptr = 0; 931 internal_f.f_nsyms = 0; 932 933 /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF 934 backend linker, and obj_raw_syment_count is not valid until after 935 coff_write_symbols is called. */ 936 if (bfd_get_symcount (abfd) != 0) 937 { 938 int firstundef; 939 940 if (!coff_renumber_symbols (abfd, &firstundef)) 941 return FALSE; 942 coff_mangle_symbols (abfd); 943 if (! coff_write_symbols (abfd)) 944 return FALSE; 945 if (! coff_write_linenumbers (abfd)) 946 return FALSE; 947 if (! coff_write_relocs (abfd, firstundef)) 948 return FALSE; 949 950 internal_f.f_symptr = sym_base; 951 internal_f.f_nsyms = bfd_get_symcount (abfd); 952 } 953 else if (obj_raw_syment_count (abfd) != 0) 954 { 955 internal_f.f_symptr = sym_base; 956 957 /* AIX appears to require that F_RELFLG not be set if there are 958 local symbols but no relocations. */ 959 internal_f.f_flags &=~ F_RELFLG; 960 } 961 else 962 { 963 internal_f.f_flags |= F_LSYMS; 964 } 965 966 if (text_sec) 967 { 968 internal_a.tsize = bfd_get_section_size_before_reloc (text_sec); 969 internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; 970 } 971 972 if (data_sec) 973 { 974 internal_a.dsize = bfd_get_section_size_before_reloc (data_sec); 975 internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; 976 } 977 978 if (bss_sec) 979 { 980 internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec); 981 if (internal_a.bsize && bss_sec->vma < internal_a.data_start) 982 internal_a.data_start = bss_sec->vma; 983 } 984 985 internal_a.entry = bfd_get_start_address (abfd); 986 internal_f.f_nsyms = obj_raw_syment_count (abfd); 987 988 if (xcoff_data (abfd)->full_aouthdr) 989 { 990 bfd_vma toc; 991 asection *loader_sec; 992 993 internal_a.vstamp = 1; 994 995 internal_a.o_snentry = xcoff_data (abfd)->snentry; 996 if (internal_a.o_snentry == 0) 997 internal_a.entry = (bfd_vma) -1; 998 999 if (text_sec != NULL) 1000 { 1001 internal_a.o_sntext = text_sec->target_index; 1002 internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec); 1003 } 1004 else 1005 { 1006 internal_a.o_sntext = 0; 1007 internal_a.o_algntext = 0; 1008 } 1009 1010 if (data_sec != NULL) 1011 { 1012 internal_a.o_sndata = data_sec->target_index; 1013 internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec); 1014 } 1015 else 1016 { 1017 internal_a.o_sndata = 0; 1018 internal_a.o_algndata = 0; 1019 } 1020 1021 loader_sec = bfd_get_section_by_name (abfd, ".loader"); 1022 if (loader_sec != NULL) 1023 internal_a.o_snloader = loader_sec->target_index; 1024 else 1025 internal_a.o_snloader = 0; 1026 if (bss_sec != NULL) 1027 internal_a.o_snbss = bss_sec->target_index; 1028 else 1029 internal_a.o_snbss = 0; 1030 1031 toc = xcoff_data (abfd)->toc; 1032 internal_a.o_toc = toc; 1033 internal_a.o_sntoc = xcoff_data (abfd)->sntoc; 1034 1035 internal_a.o_modtype = xcoff_data (abfd)->modtype; 1036 if (xcoff_data (abfd)->cputype != -1) 1037 internal_a.o_cputype = xcoff_data (abfd)->cputype; 1038 else 1039 { 1040 switch (bfd_get_arch (abfd)) 1041 { 1042 case bfd_arch_rs6000: 1043 internal_a.o_cputype = 4; 1044 break; 1045 case bfd_arch_powerpc: 1046 if (bfd_get_mach (abfd) == bfd_mach_ppc) 1047 internal_a.o_cputype = 3; 1048 else 1049 internal_a.o_cputype = 1; 1050 break; 1051 default: 1052 abort (); 1053 } 1054 } 1055 internal_a.o_maxstack = xcoff_data (abfd)->maxstack; 1056 internal_a.o_maxdata = xcoff_data (abfd)->maxdata; 1057 } 1058 1059 if (bfd_seek (abfd, (file_ptr) 0, 0) != 0) 1060 return FALSE; 1061 1062 { 1063 char * buff; 1064 bfd_size_type amount = bfd_coff_filhsz (abfd); 1065 1066 buff = bfd_malloc (amount); 1067 if (buff == NULL) 1068 return FALSE; 1069 1070 bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) buff); 1071 amount = bfd_bwrite ((PTR) buff, amount, abfd); 1072 1073 free (buff); 1074 1075 if (amount != bfd_coff_filhsz (abfd)) 1076 return FALSE; 248 1077 } 249 else { 250 in->x_sym.x_misc.x_lnsz.x_lnno = bfd_h_get_32(abfd, (bfd_byte *) 251 ext->x_sym.x_fcnary.x_lnsz.x_lnno); 252 in->x_sym.x_misc.x_lnsz.x_size = bfd_h_get_16(abfd, (bfd_byte *) 253 ext->x_sym.x_fcnary.x_lnsz.x_size); 254 } 255 256 end: ; 257 /* the semicolon is because MSVC doesn't like labels at 258 end of block. */ 259 260 } 261 262 static unsigned int 263 xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp) 264 bfd *abfd; 265 PTR inp; 266 int type; 267 int class; 268 int indx ATTRIBUTE_UNUSED; 269 int numaux ATTRIBUTE_UNUSED; 270 PTR extp; 271 { 272 union internal_auxent *in = (union internal_auxent *)inp; 273 AUXENT *ext = (AUXENT *)extp; 274 275 memset((PTR)ext, 0, bfd_coff_auxesz (abfd)); 276 switch (class) 277 { 278 case C_FILE: 279 if (in->x_file.x_fname[0] == 0) 280 { 281 PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes); 282 PUTWORD(abfd, 283 in->x_file.x_n.x_offset, 284 (bfd_byte *) ext->x_file.x_n.x_offset); 285 } 286 else 287 { 288 memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN); 289 } 290 PUTBYTE (abfd, _AUX_FILE, (bfd_byte *) ext->x_auxtype.x_auxtype); 291 goto end; 292 293 /* RS/6000 "csect" auxents */ 294 case C_EXT: 295 case C_HIDEXT: 296 if (indx + 1 == numaux) 297 { 298 PUTWORD (abfd, in->x_csect.x_scnlen.l, ext->x_csect.x_scnlen_lo); 299 PUTWORD (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash); 300 PUTHALF (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash); 301 /* We don't have to hack bitfields in x_smtyp because it's 302 defined by shifts-and-ands, which are equivalent on all 303 byte orders. */ 304 PUTBYTE (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp); 305 PUTBYTE (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas); 306 PUTBYTE (abfd, _AUX_CSECT, (bfd_byte *) ext->x_auxtype.x_auxtype); 307 goto end; 308 } 309 break; 310 311 case C_STAT: 312 case C_LEAFSTAT: 313 case C_HIDDEN: 314 if (type == T_NULL) { 315 goto end; 316 } 317 break; 318 } 319 320 if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) 321 { 322 bfd_h_put_64(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, 323 (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); 324 PUTBYTE (abfd, _AUX_FCN, (bfd_byte *) ext->x_auxtype.x_auxtype); 325 PUTWORD(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, 326 (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx); 327 } 328 if (ISFCN (type)) 329 PUTWORD (abfd, in->x_sym.x_misc.x_fsize, 330 (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize); 1078 1079 if (abfd->flags & EXEC_P) 1080 { 1081 char * buff; 1082 bfd_size_type amount = bfd_coff_aoutsz (abfd); 1083 1084 buff = bfd_malloc (amount); 1085 if (buff == NULL) 1086 return FALSE; 1087 1088 bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) buff); 1089 amount = bfd_bwrite ((PTR) buff, amount, abfd); 1090 1091 free (buff); 1092 1093 if (amount != bfd_coff_aoutsz (abfd)) 1094 return FALSE; 1095 } 1096 1097 return TRUE; 1098 } 1099 1100 static bfd_boolean 1101 xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto, 1102 val, addend, relocation, contents) 1103 bfd *input_bfd; 1104 asection *input_section; 1105 bfd *output_bfd ATTRIBUTE_UNUSED; 1106 struct internal_reloc *rel; 1107 struct internal_syment *sym ATTRIBUTE_UNUSED; 1108 struct reloc_howto_struct *howto; 1109 bfd_vma val; 1110 bfd_vma addend; 1111 bfd_vma *relocation; 1112 bfd_byte *contents; 1113 { 1114 struct xcoff_link_hash_entry *h; 1115 1116 if (0 > rel->r_symndx) 1117 return FALSE; 1118 1119 h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx]; 1120 1121 /* If we see an R_BR or R_RBR reloc which is jumping to global 1122 linkage code, and it is followed by an appropriate cror nop 1123 instruction, we replace the cror with ld r2,40(r1). This 1124 restores the TOC after the glink code. Contrariwise, if the 1125 call is followed by a ld r2,40(r1), but the call is not 1126 going to global linkage code, we can replace the load with a 1127 cror. */ 1128 if (NULL != h 1129 && bfd_link_hash_defined == h->root.type 1130 && (rel->r_vaddr - input_section->vma + 8 1131 <= input_section->_cooked_size)) 1132 { 1133 bfd_byte *pnext; 1134 unsigned long next; 1135 1136 pnext = contents + (rel->r_vaddr - input_section->vma) + 4; 1137 next = bfd_get_32 (input_bfd, pnext); 1138 1139 /* The _ptrgl function is magic. It is used by the AIX compiler to call 1140 a function through a pointer. */ 1141 if (h->smclas == XMC_GL || strcmp (h->root.root.string, "._ptrgl") == 0) 1142 { 1143 if (next == 0x4def7b82 /* cror 15,15,15 */ 1144 || next == 0x4ffffb82 /* cror 31,31,31 */ 1145 || next == 0x60000000) /* ori r0,r0,0 */ 1146 bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */ 1147 } 1148 else 1149 { 1150 if (next == 0xe8410028) /* ld r2,40(r1) */ 1151 bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */ 1152 } 1153 } 1154 else if (NULL != h && bfd_link_hash_undefined == h->root.type) 1155 { 1156 /* Normally, this relocation is against a defined symbol. In the 1157 case where this is a partial link and the output section offset 1158 is greater than 2^25, the linker will return an invalid error 1159 message that the relocation has been truncated. Yes it has been 1160 truncated but no it not important. For this case, disable the 1161 overflow checking. */ 1162 howto->complain_on_overflow = complain_overflow_dont; 1163 } 1164 1165 howto->pc_relative = TRUE; 1166 howto->src_mask &= ~3; 1167 howto->dst_mask = howto->src_mask; 1168 1169 /* A PC relative reloc includes the section address. */ 1170 addend += input_section->vma; 1171 1172 *relocation = val + addend; 1173 *relocation -= (input_section->output_section->vma 1174 + input_section->output_offset); 1175 return TRUE; 1176 } 1177 1178 /* This is the relocation function for the PowerPC64. 1179 See xcoff_ppc_relocation_section for more information. */ 1180 1181 bfd_boolean 1182 xcoff64_ppc_relocate_section (output_bfd, info, input_bfd, 1183 input_section, contents, relocs, syms, 1184 sections) 1185 bfd *output_bfd; 1186 struct bfd_link_info *info; 1187 bfd *input_bfd; 1188 asection *input_section; 1189 bfd_byte *contents; 1190 struct internal_reloc *relocs; 1191 struct internal_syment *syms; 1192 asection **sections; 1193 { 1194 struct internal_reloc *rel; 1195 struct internal_reloc *relend; 1196 1197 rel = relocs; 1198 relend = rel + input_section->reloc_count; 1199 for (; rel < relend; rel++) 1200 { 1201 long symndx; 1202 struct xcoff_link_hash_entry *h; 1203 struct internal_syment *sym; 1204 bfd_vma addend; 1205 bfd_vma val; 1206 struct reloc_howto_struct howto; 1207 bfd_vma relocation; 1208 bfd_vma value_to_relocate; 1209 bfd_vma address; 1210 bfd_byte *location; 1211 1212 /* Relocation type R_REF is a special relocation type which is 1213 merely used to prevent garbage collection from occurring for 1214 the csect including the symbol which it references. */ 1215 if (rel->r_type == R_REF) 1216 continue; 1217 1218 /* howto */ 1219 howto.type = rel->r_type; 1220 howto.rightshift = 0; 1221 howto.bitsize = (rel->r_size & 0x3f) + 1; 1222 howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1; 1223 howto.pc_relative = FALSE; 1224 howto.bitpos = 0; 1225 howto.complain_on_overflow = (rel->r_size & 0x80 1226 ? complain_overflow_signed 1227 : complain_overflow_bitfield); 1228 howto.special_function = NULL; 1229 howto.name = "internal"; 1230 howto.partial_inplace = TRUE; 1231 howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize); 1232 howto.pcrel_offset = FALSE; 1233 1234 /* symbol */ 1235 val = 0; 1236 addend = 0; 1237 h = NULL; 1238 sym = NULL; 1239 symndx = rel->r_symndx; 1240 1241 if (-1 != symndx) 1242 { 1243 asection *sec; 1244 1245 h = obj_xcoff_sym_hashes (input_bfd)[symndx]; 1246 sym = syms + symndx; 1247 addend = - sym->n_value; 1248 1249 if (NULL == h) 1250 { 1251 sec = sections[symndx]; 1252 /* Hack to make sure we use the right TOC anchor value 1253 if this reloc is against the TOC anchor. */ 1254 if (sec->name[3] == '0' 1255 && strcmp (sec->name, ".tc0") == 0) 1256 val = xcoff_data (output_bfd)->toc; 1257 else 1258 val = (sec->output_section->vma 1259 + sec->output_offset 1260 + sym->n_value 1261 - sec->vma); 1262 } 1263 else 1264 { 1265 if (h->root.type == bfd_link_hash_defined 1266 || h->root.type == bfd_link_hash_defweak) 1267 { 1268 sec = h->root.u.def.section; 1269 val = (h->root.u.def.value 1270 + sec->output_section->vma 1271 + sec->output_offset); 1272 } 1273 else if (h->root.type == bfd_link_hash_common) 1274 { 1275 sec = h->root.u.c.p->section; 1276 val = (sec->output_section->vma 1277 + sec->output_offset); 1278 } 1279 else if ((0 == (h->flags & (XCOFF_DEF_DYNAMIC | XCOFF_IMPORT))) 1280 && ! info->relocateable) 1281 { 1282 if (! ((*info->callbacks->undefined_symbol) 1283 (info, h->root.root.string, input_bfd, input_section, 1284 rel->r_vaddr - input_section->vma, TRUE))) 1285 return FALSE; 1286 1287 /* Don't try to process the reloc. It can't help, and 1288 it may generate another error. */ 1289 continue; 1290 } 1291 } 1292 } 1293 1294 if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION 1295 || !((*xcoff64_calculate_relocation[rel->r_type]) 1296 (input_bfd, input_section, output_bfd, rel, sym, &howto, val, 1297 addend, &relocation, contents))) 1298 return FALSE; 1299 1300 /* address */ 1301 address = rel->r_vaddr - input_section->vma; 1302 location = contents + address; 1303 1304 if (address > input_section->_raw_size) 1305 abort (); 1306 1307 /* Get the value we are going to relocate. */ 1308 if (1 == howto.size) 1309 value_to_relocate = bfd_get_16 (input_bfd, location); 1310 else if (2 == howto.size) 1311 value_to_relocate = bfd_get_32 (input_bfd, location); 1312 else 1313 value_to_relocate = bfd_get_64 (input_bfd, location); 1314 1315 /* overflow. 1316 1317 FIXME: We may drop bits during the addition 1318 which we don't check for. We must either check at every single 1319 operation, which would be tedious, or we must do the computations 1320 in a type larger than bfd_vma, which would be inefficient. */ 1321 1322 if ((unsigned int) howto.complain_on_overflow 1323 >= XCOFF_MAX_COMPLAIN_OVERFLOW) 1324 abort (); 1325 1326 if (((*xcoff_complain_overflow[howto.complain_on_overflow]) 1327 (input_bfd, value_to_relocate, relocation, &howto))) 1328 { 1329 const char *name; 1330 char buf[SYMNMLEN + 1]; 1331 char reloc_type_name[10]; 1332 1333 if (symndx == -1) 1334 { 1335 name = "*ABS*"; 1336 } 1337 else if (h != NULL) 1338 { 1339 name = h->root.root.string; 1340 } 1341 else 1342 { 1343 name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); 1344 if (name == NULL) 1345 name = "UNKNOWN"; 1346 } 1347 sprintf (reloc_type_name, "0x%02x", rel->r_type); 1348 1349 if (! ((*info->callbacks->reloc_overflow) 1350 (info, name, reloc_type_name, (bfd_vma) 0, input_bfd, 1351 input_section, rel->r_vaddr - input_section->vma))) 1352 return FALSE; 1353 } 1354 1355 /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */ 1356 value_to_relocate = ((value_to_relocate & ~howto.dst_mask) 1357 | (((value_to_relocate & howto.src_mask) 1358 + relocation) & howto.dst_mask)); 1359 1360 /* Put the value back in the object file. */ 1361 if (1 == howto.size) 1362 bfd_put_16 (input_bfd, value_to_relocate, location); 1363 else if (2 == howto.size) 1364 bfd_put_32 (input_bfd, value_to_relocate, location); 1365 else 1366 bfd_put_64 (input_bfd, value_to_relocate, location); 1367 1368 } 1369 return TRUE; 1370 } 1371 1372 1373 1374 /* The XCOFF reloc table. Actually, XCOFF relocations specify the 1375 bitsize and whether they are signed or not, along with a 1376 conventional type. This table is for the types, which are used for 1377 different algorithms for putting in the reloc. Many of these 1378 relocs need special_function entries, which I have not written. */ 1379 1380 reloc_howto_type xcoff64_howto_table[] = 1381 { 1382 /* Standard 64 bit relocation. */ 1383 HOWTO (R_POS, /* type */ 1384 0, /* rightshift */ 1385 4, /* size (0 = byte, 1 = short, 2 = long) */ 1386 64, /* bitsize */ 1387 FALSE, /* pc_relative */ 1388 0, /* bitpos */ 1389 complain_overflow_bitfield, /* complain_on_overflow */ 1390 0, /* special_function */ 1391 "R_POS_64", /* name */ 1392 TRUE, /* partial_inplace */ 1393 MINUS_ONE, /* src_mask */ 1394 MINUS_ONE, /* dst_mask */ 1395 FALSE), /* pcrel_offset */ 1396 1397 /* 64 bit relocation, but store negative value. */ 1398 HOWTO (R_NEG, /* type */ 1399 0, /* rightshift */ 1400 -4, /* size (0 = byte, 1 = short, 2 = long) */ 1401 64, /* bitsize */ 1402 FALSE, /* pc_relative */ 1403 0, /* bitpos */ 1404 complain_overflow_bitfield, /* complain_on_overflow */ 1405 0, /* special_function */ 1406 "R_NEG", /* name */ 1407 TRUE, /* partial_inplace */ 1408 MINUS_ONE, /* src_mask */ 1409 MINUS_ONE, /* dst_mask */ 1410 FALSE), /* pcrel_offset */ 1411 1412 /* 32 bit PC relative relocation. */ 1413 HOWTO (R_REL, /* type */ 1414 0, /* rightshift */ 1415 2, /* size (0 = byte, 1 = short, 2 = long) */ 1416 32, /* bitsize */ 1417 TRUE, /* pc_relative */ 1418 0, /* bitpos */ 1419 complain_overflow_signed, /* complain_on_overflow */ 1420 0, /* special_function */ 1421 "R_REL", /* name */ 1422 TRUE, /* partial_inplace */ 1423 0xffffffff, /* src_mask */ 1424 0xffffffff, /* dst_mask */ 1425 FALSE), /* pcrel_offset */ 1426 1427 /* 16 bit TOC relative relocation. */ 1428 HOWTO (R_TOC, /* type */ 1429 0, /* rightshift */ 1430 1, /* size (0 = byte, 1 = short, 2 = long) */ 1431 16, /* bitsize */ 1432 FALSE, /* pc_relative */ 1433 0, /* bitpos */ 1434 complain_overflow_bitfield, /* complain_on_overflow */ 1435 0, /* special_function */ 1436 "R_TOC", /* name */ 1437 TRUE, /* partial_inplace */ 1438 0xffff, /* src_mask */ 1439 0xffff, /* dst_mask */ 1440 FALSE), /* pcrel_offset */ 1441 1442 /* I don't really know what this is. */ 1443 HOWTO (R_RTB, /* type */ 1444 1, /* rightshift */ 1445 2, /* size (0 = byte, 1 = short, 2 = long) */ 1446 32, /* bitsize */ 1447 FALSE, /* pc_relative */ 1448 0, /* bitpos */ 1449 complain_overflow_bitfield, /* complain_on_overflow */ 1450 0, /* special_function */ 1451 "R_RTB", /* name */ 1452 TRUE, /* partial_inplace */ 1453 0xffffffff, /* src_mask */ 1454 0xffffffff, /* dst_mask */ 1455 FALSE), /* pcrel_offset */ 1456 1457 /* External TOC relative symbol. */ 1458 HOWTO (R_GL, /* type */ 1459 0, /* rightshift */ 1460 1, /* size (0 = byte, 1 = short, 2 = long) */ 1461 16, /* bitsize */ 1462 FALSE, /* pc_relative */ 1463 0, /* bitpos */ 1464 complain_overflow_bitfield, /* complain_on_overflow */ 1465 0, /* special_function */ 1466 "R_GL", /* name */ 1467 TRUE, /* partial_inplace */ 1468 0xffff, /* src_mask */ 1469 0xffff, /* dst_mask */ 1470 FALSE), /* pcrel_offset */ 1471 1472 /* Local TOC relative symbol. */ 1473 HOWTO (R_TCL, /* type */ 1474 0, /* rightshift */ 1475 1, /* size (0 = byte, 1 = short, 2 = long) */ 1476 16, /* bitsize */ 1477 FALSE, /* pc_relative */ 1478 0, /* bitpos */ 1479 complain_overflow_bitfield, /* complain_on_overflow */ 1480 0, /* special_function */ 1481 "R_TCL", /* name */ 1482 TRUE, /* partial_inplace */ 1483 0xffff, /* src_mask */ 1484 0xffff, /* dst_mask */ 1485 FALSE), /* pcrel_offset */ 1486 1487 EMPTY_HOWTO (7), 1488 1489 /* Non modifiable absolute branch. */ 1490 HOWTO (R_BA, /* type */ 1491 0, /* rightshift */ 1492 2, /* size (0 = byte, 1 = short, 2 = long) */ 1493 26, /* bitsize */ 1494 FALSE, /* pc_relative */ 1495 0, /* bitpos */ 1496 complain_overflow_bitfield, /* complain_on_overflow */ 1497 0, /* special_function */ 1498 "R_BA_26", /* name */ 1499 TRUE, /* partial_inplace */ 1500 0x03fffffc, /* src_mask */ 1501 0x03fffffc, /* dst_mask */ 1502 FALSE), /* pcrel_offset */ 1503 1504 EMPTY_HOWTO (9), 1505 1506 /* Non modifiable relative branch. */ 1507 HOWTO (R_BR, /* type */ 1508 0, /* rightshift */ 1509 2, /* size (0 = byte, 1 = short, 2 = long) */ 1510 26, /* bitsize */ 1511 TRUE, /* pc_relative */ 1512 0, /* bitpos */ 1513 complain_overflow_signed, /* complain_on_overflow */ 1514 0, /* special_function */ 1515 "R_BR", /* name */ 1516 TRUE, /* partial_inplace */ 1517 0x03fffffc, /* src_mask */ 1518 0x03fffffc, /* dst_mask */ 1519 FALSE), /* pcrel_offset */ 1520 1521 EMPTY_HOWTO (0xb), 1522 1523 /* Indirect load. */ 1524 HOWTO (R_RL, /* type */ 1525 0, /* rightshift */ 1526 1, /* size (0 = byte, 1 = short, 2 = long) */ 1527 16, /* bitsize */ 1528 FALSE, /* pc_relative */ 1529 0, /* bitpos */ 1530 complain_overflow_bitfield, /* complain_on_overflow */ 1531 0, /* special_function */ 1532 "R_RL", /* name */ 1533 TRUE, /* partial_inplace */ 1534 0xffff, /* src_mask */ 1535 0xffff, /* dst_mask */ 1536 FALSE), /* pcrel_offset */ 1537 1538 /* Load address. */ 1539 HOWTO (R_RLA, /* type */ 1540 0, /* rightshift */ 1541 1, /* size (0 = byte, 1 = short, 2 = long) */ 1542 16, /* bitsize */ 1543 FALSE, /* pc_relative */ 1544 0, /* bitpos */ 1545 complain_overflow_bitfield, /* complain_on_overflow */ 1546 0, /* special_function */ 1547 "R_RLA", /* name */ 1548 TRUE, /* partial_inplace */ 1549 0xffff, /* src_mask */ 1550 0xffff, /* dst_mask */ 1551 FALSE), /* pcrel_offset */ 1552 1553 EMPTY_HOWTO (0xe), 1554 1555 /* Non-relocating reference. */ 1556 HOWTO (R_REF, /* type */ 1557 0, /* rightshift */ 1558 2, /* size (0 = byte, 1 = short, 2 = long) */ 1559 32, /* bitsize */ 1560 FALSE, /* pc_relative */ 1561 0, /* bitpos */ 1562 complain_overflow_dont, /* complain_on_overflow */ 1563 0, /* special_function */ 1564 "R_REF", /* name */ 1565 FALSE, /* partial_inplace */ 1566 0, /* src_mask */ 1567 0, /* dst_mask */ 1568 FALSE), /* pcrel_offset */ 1569 1570 EMPTY_HOWTO (0x10), 1571 EMPTY_HOWTO (0x11), 1572 1573 /* TOC relative indirect load. */ 1574 HOWTO (R_TRL, /* type */ 1575 0, /* rightshift */ 1576 1, /* size (0 = byte, 1 = short, 2 = long) */ 1577 16, /* bitsize */ 1578 FALSE, /* pc_relative */ 1579 0, /* bitpos */ 1580 complain_overflow_bitfield, /* complain_on_overflow */ 1581 0, /* special_function */ 1582 "R_TRL", /* name */ 1583 TRUE, /* partial_inplace */ 1584 0xffff, /* src_mask */ 1585 0xffff, /* dst_mask */ 1586 FALSE), /* pcrel_offset */ 1587 1588 /* TOC relative load address. */ 1589 HOWTO (R_TRLA, /* type */ 1590 0, /* rightshift */ 1591 1, /* size (0 = byte, 1 = short, 2 = long) */ 1592 16, /* bitsize */ 1593 FALSE, /* pc_relative */ 1594 0, /* bitpos */ 1595 complain_overflow_bitfield, /* complain_on_overflow */ 1596 0, /* special_function */ 1597 "R_TRLA", /* name */ 1598 TRUE, /* partial_inplace */ 1599 0xffff, /* src_mask */ 1600 0xffff, /* dst_mask */ 1601 FALSE), /* pcrel_offset */ 1602 1603 /* Modifiable relative branch. */ 1604 HOWTO (R_RRTBI, /* type */ 1605 1, /* rightshift */ 1606 2, /* size (0 = byte, 1 = short, 2 = long) */ 1607 32, /* bitsize */ 1608 FALSE, /* pc_relative */ 1609 0, /* bitpos */ 1610 complain_overflow_bitfield, /* complain_on_overflow */ 1611 0, /* special_function */ 1612 "R_RRTBI", /* name */ 1613 TRUE, /* partial_inplace */ 1614 0xffffffff, /* src_mask */ 1615 0xffffffff, /* dst_mask */ 1616 FALSE), /* pcrel_offset */ 1617 1618 /* Modifiable absolute branch. */ 1619 HOWTO (R_RRTBA, /* type */ 1620 1, /* rightshift */ 1621 2, /* size (0 = byte, 1 = short, 2 = long) */ 1622 32, /* bitsize */ 1623 FALSE, /* pc_relative */ 1624 0, /* bitpos */ 1625 complain_overflow_bitfield, /* complain_on_overflow */ 1626 0, /* special_function */ 1627 "R_RRTBA", /* name */ 1628 TRUE, /* partial_inplace */ 1629 0xffffffff, /* src_mask */ 1630 0xffffffff, /* dst_mask */ 1631 FALSE), /* pcrel_offset */ 1632 1633 /* Modifiable call absolute indirect. */ 1634 HOWTO (R_CAI, /* type */ 1635 0, /* rightshift */ 1636 1, /* size (0 = byte, 1 = short, 2 = long) */ 1637 16, /* bitsize */ 1638 FALSE, /* pc_relative */ 1639 0, /* bitpos */ 1640 complain_overflow_bitfield, /* complain_on_overflow */ 1641 0, /* special_function */ 1642 "R_CAI", /* name */ 1643 TRUE, /* partial_inplace */ 1644 0xffff, /* src_mask */ 1645 0xffff, /* dst_mask */ 1646 FALSE), /* pcrel_offset */ 1647 1648 /* Modifiable call relative. */ 1649 HOWTO (R_CREL, /* type */ 1650 0, /* rightshift */ 1651 1, /* size (0 = byte, 1 = short, 2 = long) */ 1652 16, /* bitsize */ 1653 FALSE, /* pc_relative */ 1654 0, /* bitpos */ 1655 complain_overflow_bitfield, /* complain_on_overflow */ 1656 0, /* special_function */ 1657 "R_CREL", /* name */ 1658 TRUE, /* partial_inplace */ 1659 0xffff, /* src_mask */ 1660 0xffff, /* dst_mask */ 1661 FALSE), /* pcrel_offset */ 1662 1663 /* Modifiable branch absolute. */ 1664 HOWTO (R_RBA, /* type */ 1665 0, /* rightshift */ 1666 2, /* size (0 = byte, 1 = short, 2 = long) */ 1667 26, /* bitsize */ 1668 FALSE, /* pc_relative */ 1669 0, /* bitpos */ 1670 complain_overflow_bitfield, /* complain_on_overflow */ 1671 0, /* special_function */ 1672 "R_RBA", /* name */ 1673 TRUE, /* partial_inplace */ 1674 0x03fffffc, /* src_mask */ 1675 0x03fffffc, /* dst_mask */ 1676 FALSE), /* pcrel_offset */ 1677 1678 /* Modifiable branch absolute. */ 1679 HOWTO (R_RBAC, /* type */ 1680 0, /* rightshift */ 1681 2, /* size (0 = byte, 1 = short, 2 = long) */ 1682 32, /* bitsize */ 1683 FALSE, /* pc_relative */ 1684 0, /* bitpos */ 1685 complain_overflow_bitfield, /* complain_on_overflow */ 1686 0, /* special_function */ 1687 "R_RBAC", /* name */ 1688 TRUE, /* partial_inplace */ 1689 0xffffffff, /* src_mask */ 1690 0xffffffff, /* dst_mask */ 1691 FALSE), /* pcrel_offset */ 1692 1693 /* Modifiable branch relative. */ 1694 HOWTO (R_RBR, /* type */ 1695 0, /* rightshift */ 1696 2, /* size (0 = byte, 1 = short, 2 = long) */ 1697 26, /* bitsize */ 1698 FALSE, /* pc_relative */ 1699 0, /* bitpos */ 1700 complain_overflow_signed, /* complain_on_overflow */ 1701 0, /* special_function */ 1702 "R_RBR_26", /* name */ 1703 TRUE, /* partial_inplace */ 1704 0x03fffffc, /* src_mask */ 1705 0x03fffffc, /* dst_mask */ 1706 FALSE), /* pcrel_offset */ 1707 1708 /* Modifiable branch absolute. */ 1709 HOWTO (R_RBRC, /* type */ 1710 0, /* rightshift */ 1711 1, /* size (0 = byte, 1 = short, 2 = long) */ 1712 16, /* bitsize */ 1713 FALSE, /* pc_relative */ 1714 0, /* bitpos */ 1715 complain_overflow_bitfield, /* complain_on_overflow */ 1716 0, /* special_function */ 1717 "R_RBRC", /* name */ 1718 TRUE, /* partial_inplace */ 1719 0xffff, /* src_mask */ 1720 0xffff, /* dst_mask */ 1721 FALSE), /* pcrel_offset */ 1722 1723 HOWTO (R_POS, /* type */ 1724 0, /* rightshift */ 1725 2, /* size (0 = byte, 1 = short, 2 = long) */ 1726 32, /* bitsize */ 1727 FALSE, /* pc_relative */ 1728 0, /* bitpos */ 1729 complain_overflow_bitfield, /* complain_on_overflow */ 1730 0, /* special_function */ 1731 "R_POS_32", /* name */ 1732 TRUE, /* partial_inplace */ 1733 0xffffffff, /* src_mask */ 1734 0xffffffff, /* dst_mask */ 1735 FALSE), /* pcrel_offset */ 1736 1737 /* 16 bit Non modifiable absolute branch. */ 1738 HOWTO (R_BA, /* type */ 1739 0, /* rightshift */ 1740 1, /* size (0 = byte, 1 = short, 2 = long) */ 1741 16, /* bitsize */ 1742 FALSE, /* pc_relative */ 1743 0, /* bitpos */ 1744 complain_overflow_bitfield, /* complain_on_overflow */ 1745 0, /* special_function */ 1746 "R_BA_16", /* name */ 1747 TRUE, /* partial_inplace */ 1748 0xfffc, /* src_mask */ 1749 0xfffc, /* dst_mask */ 1750 FALSE), /* pcrel_offset */ 1751 1752 /* Modifiable branch relative. */ 1753 HOWTO (R_RBR, /* type */ 1754 0, /* rightshift */ 1755 1, /* size (0 = byte, 1 = short, 2 = long) */ 1756 16, /* bitsize */ 1757 FALSE, /* pc_relative */ 1758 0, /* bitpos */ 1759 complain_overflow_signed, /* complain_on_overflow */ 1760 0, /* special_function */ 1761 "R_RBR_16", /* name */ 1762 TRUE, /* partial_inplace */ 1763 0xffff, /* src_mask */ 1764 0xffff, /* dst_mask */ 1765 FALSE), /* pcrel_offset */ 1766 1767 /* Modifiable branch absolute. */ 1768 HOWTO (R_RBA, /* type */ 1769 0, /* rightshift */ 1770 1, /* size (0 = byte, 1 = short, 2 = long) */ 1771 16, /* bitsize */ 1772 FALSE, /* pc_relative */ 1773 0, /* bitpos */ 1774 complain_overflow_bitfield, /* complain_on_overflow */ 1775 0, /* special_function */ 1776 "R_RBA_16", /* name */ 1777 TRUE, /* partial_inplace */ 1778 0xffff, /* src_mask */ 1779 0xffff, /* dst_mask */ 1780 FALSE), /* pcrel_offset */ 1781 1782 }; 1783 1784 void 1785 xcoff64_rtype2howto (relent, internal) 1786 arelent *relent; 1787 struct internal_reloc *internal; 1788 { 1789 if (internal->r_type > R_RBRC) 1790 abort (); 1791 1792 /* Default howto layout works most of the time */ 1793 relent->howto = &xcoff64_howto_table[internal->r_type]; 1794 1795 /* Special case some 16 bit reoloc */ 1796 if (15 == (internal->r_size & 0x3f)) 1797 { 1798 if (R_BA == internal->r_type) 1799 relent->howto = &xcoff64_howto_table[0x1d]; 1800 else if (R_RBR == internal->r_type) 1801 relent->howto = &xcoff64_howto_table[0x1e]; 1802 else if (R_RBA == internal->r_type) 1803 relent->howto = &xcoff64_howto_table[0x1f]; 1804 } 1805 /* Special case 32 bit */ 1806 else if (31 == (internal->r_size & 0x3f)) 1807 { 1808 if (R_POS == internal->r_type) 1809 relent->howto = &xcoff64_howto_table[0x1c]; 1810 } 1811 1812 /* The r_size field of an XCOFF reloc encodes the bitsize of the 1813 relocation, as well as indicating whether it is signed or not. 1814 Doublecheck that the relocation information gathered from the 1815 type matches this information. The bitsize is not significant 1816 for R_REF relocs. */ 1817 if (relent->howto->dst_mask != 0 1818 && (relent->howto->bitsize 1819 != ((unsigned int) internal->r_size & 0x3f) + 1)) 1820 abort (); 1821 } 1822 1823 reloc_howto_type * 1824 xcoff64_reloc_type_lookup (abfd, code) 1825 bfd *abfd ATTRIBUTE_UNUSED; 1826 bfd_reloc_code_real_type code; 1827 { 1828 switch (code) 1829 { 1830 case BFD_RELOC_PPC_B26: 1831 return &xcoff64_howto_table[0xa]; 1832 case BFD_RELOC_PPC_BA16: 1833 return &xcoff64_howto_table[0x1d]; 1834 case BFD_RELOC_PPC_BA26: 1835 return &xcoff64_howto_table[8]; 1836 case BFD_RELOC_PPC_TOC16: 1837 return &xcoff64_howto_table[3]; 1838 case BFD_RELOC_32: 1839 case BFD_RELOC_CTOR: 1840 return &xcoff64_howto_table[0x1c]; 1841 case BFD_RELOC_64: 1842 return &xcoff64_howto_table[0]; 1843 default: 1844 return NULL; 1845 } 1846 } 1847 1848 /* Read in the armap of an XCOFF archive. */ 1849 1850 static bfd_boolean 1851 xcoff64_slurp_armap (abfd) 1852 bfd *abfd; 1853 { 1854 file_ptr off; 1855 size_t namlen; 1856 bfd_size_type sz, amt; 1857 bfd_byte *contents, *cend; 1858 bfd_vma c, i; 1859 carsym *arsym; 1860 bfd_byte *p; 1861 file_ptr pos; 1862 1863 /* This is for the new format. */ 1864 struct xcoff_ar_hdr_big hdr; 1865 1866 if (xcoff_ardata (abfd) == NULL) 1867 { 1868 bfd_has_map (abfd) = FALSE; 1869 return TRUE; 1870 } 1871 1872 off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64, 1873 (const char **) NULL, 10); 1874 if (off == 0) 1875 { 1876 bfd_has_map (abfd) = FALSE; 1877 return TRUE; 1878 } 1879 1880 if (bfd_seek (abfd, off, SEEK_SET) != 0) 1881 return FALSE; 1882 1883 /* The symbol table starts with a normal archive header. */ 1884 if (bfd_bread ((PTR) &hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd) 1885 != SIZEOF_AR_HDR_BIG) 1886 return FALSE; 1887 1888 /* Skip the name (normally empty). */ 1889 namlen = strtol (hdr.namlen, (char **) NULL, 10); 1890 pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG; 1891 if (bfd_seek (abfd, pos, SEEK_CUR) != 0) 1892 return FALSE; 1893 1894 sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10); 1895 1896 /* Read in the entire symbol table. */ 1897 contents = (bfd_byte *) bfd_alloc (abfd, sz); 1898 if (contents == NULL) 1899 return FALSE; 1900 if (bfd_bread ((PTR) contents, sz, abfd) != sz) 1901 return FALSE; 1902 1903 /* The symbol table starts with an eight byte count. */ 1904 c = H_GET_64 (abfd, contents); 1905 1906 if (c * 8 >= sz) 1907 { 1908 bfd_set_error (bfd_error_bad_value); 1909 return FALSE; 1910 } 1911 amt = c; 1912 amt *= sizeof (carsym); 1913 bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt); 1914 if (bfd_ardata (abfd)->symdefs == NULL) 1915 return FALSE; 1916 1917 /* After the count comes a list of eight byte file offsets. */ 1918 for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8; 1919 i < c; 1920 ++i, ++arsym, p += 8) 1921 arsym->file_offset = H_GET_64 (abfd, p); 1922 1923 /* After the file offsets come null terminated symbol names. */ 1924 cend = contents + sz; 1925 for (i = 0, arsym = bfd_ardata (abfd)->symdefs; 1926 i < c; 1927 ++i, ++arsym, p += strlen ((char *) p) + 1) 1928 { 1929 if (p >= cend) 1930 { 1931 bfd_set_error (bfd_error_bad_value); 1932 return FALSE; 1933 } 1934 arsym->name = (char *) p; 1935 } 1936 1937 bfd_ardata (abfd)->symdef_count = c; 1938 bfd_has_map (abfd) = TRUE; 1939 1940 return TRUE; 1941 } 1942 1943 1944 /* See if this is an NEW XCOFF archive. */ 1945 1946 static const bfd_target * 1947 xcoff64_archive_p (abfd) 1948 bfd *abfd; 1949 { 1950 struct artdata *tdata_hold; 1951 char magic[SXCOFFARMAG]; 1952 /* This is the new format. */ 1953 struct xcoff_ar_file_hdr_big hdr; 1954 bfd_size_type amt = SXCOFFARMAG; 1955 1956 if (bfd_bread ((PTR) magic, amt, abfd) != amt) 1957 { 1958 if (bfd_get_error () != bfd_error_system_call) 1959 bfd_set_error (bfd_error_wrong_format); 1960 return NULL; 1961 } 1962 1963 if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0) 1964 { 1965 bfd_set_error (bfd_error_wrong_format); 1966 return NULL; 1967 } 1968 1969 /* Copy over the magic string. */ 1970 memcpy (hdr.magic, magic, SXCOFFARMAG); 1971 1972 /* Now read the rest of the file header. */ 1973 amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG; 1974 if (bfd_bread ((PTR) &hdr.memoff, amt, abfd) != amt) 1975 { 1976 if (bfd_get_error () != bfd_error_system_call) 1977 bfd_set_error (bfd_error_wrong_format); 1978 return NULL; 1979 } 1980 1981 tdata_hold = bfd_ardata (abfd); 1982 1983 amt = sizeof (struct artdata); 1984 bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt); 1985 if (bfd_ardata (abfd) == (struct artdata *) NULL) 1986 goto error_ret_restore; 1987 1988 bfd_ardata (abfd)->cache = NULL; 1989 bfd_ardata (abfd)->archive_head = NULL; 1990 bfd_ardata (abfd)->symdefs = NULL; 1991 bfd_ardata (abfd)->extended_names = NULL; 1992 bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff, 1993 (const char **) NULL, 1994 10); 1995 1996 amt = SIZEOF_AR_FILE_HDR_BIG; 1997 bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt); 1998 if (bfd_ardata (abfd)->tdata == NULL) 1999 goto error_ret; 2000 2001 memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG); 2002 2003 if (! xcoff64_slurp_armap (abfd)) 2004 { 2005 error_ret: 2006 bfd_release (abfd, bfd_ardata (abfd)); 2007 error_ret_restore: 2008 bfd_ardata (abfd) = tdata_hold; 2009 return NULL; 2010 } 2011 2012 return abfd->xvec; 2013 } 2014 2015 2016 /* Open the next element in an XCOFF archive. */ 2017 2018 static bfd * 2019 xcoff64_openr_next_archived_file (archive, last_file) 2020 bfd *archive; 2021 bfd *last_file; 2022 { 2023 bfd_vma filestart; 2024 2025 if ((xcoff_ardata (archive) == NULL) 2026 || ! xcoff_big_format_p (archive)) 2027 { 2028 bfd_set_error (bfd_error_invalid_operation); 2029 return NULL; 2030 } 2031 2032 if (last_file == NULL) 2033 { 2034 filestart = bfd_ardata (archive)->first_file_filepos; 2035 } 331 2036 else 332 2037 { 333 bfd_h_put_32(abfd, in->x_sym.x_misc.x_lnsz.x_lnno, 334 (bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_lnno); 335 bfd_h_put_16(abfd, in->x_sym.x_misc.x_lnsz.x_size, 336 (bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_size); 337 } 338 339 end: 340 return bfd_coff_auxesz (abfd); 341 } 342 343 #define coff_SWAP_sym_in xcoff64_swap_sym_in 344 #define coff_SWAP_sym_out xcoff64_swap_sym_out 345 #define coff_SWAP_aux_in xcoff64_swap_aux_in 346 #define coff_SWAP_aux_out xcoff64_swap_aux_out 347 348 #define TARGET_NAME "aixcoff64-rs6000" 349 #define TARGET_SYM rs6000coff64_vec 350 351 #include "xcoff-target.h" 2038 filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff, 2039 (const char **) NULL, 10); 2040 } 2041 2042 if (filestart == 0 2043 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff, 2044 (const char **) NULL, 10) 2045 || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff, 2046 (const char **) NULL, 10)) 2047 { 2048 bfd_set_error (bfd_error_no_more_archived_files); 2049 return NULL; 2050 } 2051 2052 return _bfd_get_elt_at_filepos (archive, (file_ptr) filestart); 2053 } 2054 2055 /* We can't use the usual coff_sizeof_headers routine, because AIX 2056 always uses an a.out header. */ 2057 2058 /*ARGSUSED*/ 2059 static int 2060 xcoff64_sizeof_headers (abfd, reloc) 2061 bfd *abfd; 2062 bfd_boolean reloc ATTRIBUTE_UNUSED; 2063 { 2064 int size; 2065 2066 size = bfd_coff_filhsz (abfd); 2067 2068 /* Don't think the small aout header can be used since some of the 2069 old elements have been reordered past the end of the old coff 2070 small aout size. */ 2071 2072 if (xcoff_data (abfd)->full_aouthdr) 2073 size += bfd_coff_aoutsz (abfd); 2074 2075 size += abfd->section_count * bfd_coff_scnhsz (abfd); 2076 return size; 2077 } 2078 2079 2080 2081 static asection * 2082 xcoff64_create_csect_from_smclas (abfd, aux, symbol_name) 2083 bfd *abfd; 2084 union internal_auxent *aux; 2085 const char *symbol_name; 2086 { 2087 asection *return_value = NULL; 2088 2089 /* Changes from 32 : 2090 .sv == 8, is only for 32 bit programs 2091 .ti == 12 and .tb == 13 are now reserved. */ 2092 static const char *names[19] = 2093 { 2094 ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo", 2095 NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0", 2096 ".td", ".sv64", ".sv3264" 2097 }; 2098 2099 if ((19 >= aux->x_csect.x_smclas) 2100 && (NULL != names[aux->x_csect.x_smclas])) 2101 { 2102 2103 return_value = bfd_make_section_anyway 2104 (abfd, names[aux->x_csect.x_smclas]); 2105 2106 } 2107 else 2108 { 2109 (*_bfd_error_handler) 2110 (_("%s: symbol `%s' has unrecognized smclas %d"), 2111 bfd_archive_filename (abfd), symbol_name, aux->x_csect.x_smclas); 2112 bfd_set_error (bfd_error_bad_value); 2113 } 2114 2115 return return_value; 2116 } 2117 2118 static bfd_boolean 2119 xcoff64_is_lineno_count_overflow (abfd, value) 2120 bfd *abfd ATTRIBUTE_UNUSED; 2121 bfd_vma value ATTRIBUTE_UNUSED; 2122 { 2123 return FALSE; 2124 } 2125 2126 static bfd_boolean 2127 xcoff64_is_reloc_count_overflow (abfd, value) 2128 bfd *abfd ATTRIBUTE_UNUSED; 2129 bfd_vma value ATTRIBUTE_UNUSED; 2130 { 2131 return FALSE; 2132 } 2133 2134 static bfd_vma 2135 xcoff64_loader_symbol_offset (abfd, ldhdr) 2136 bfd *abfd ATTRIBUTE_UNUSED; 2137 struct internal_ldhdr *ldhdr; 2138 { 2139 return (ldhdr->l_symoff); 2140 } 2141 2142 static bfd_vma 2143 xcoff64_loader_reloc_offset (abfd, ldhdr) 2144 bfd *abfd ATTRIBUTE_UNUSED; 2145 struct internal_ldhdr *ldhdr; 2146 { 2147 return (ldhdr->l_rldoff); 2148 } 2149 2150 static bfd_boolean 2151 xcoff64_bad_format_hook (abfd, filehdr) 2152 bfd * abfd; 2153 PTR filehdr; 2154 { 2155 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; 2156 2157 /* Check flavor first. */ 2158 if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour) 2159 return FALSE; 2160 2161 if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic) 2162 return FALSE; 2163 2164 return TRUE; 2165 } 2166 2167 static bfd_boolean 2168 xcoff64_generate_rtinit (abfd, init, fini, rtld) 2169 bfd *abfd; 2170 const char *init; 2171 const char *fini; 2172 bfd_boolean rtld; 2173 { 2174 bfd_byte filehdr_ext[FILHSZ]; 2175 bfd_byte scnhdr_ext[SCNHSZ * 3]; 2176 bfd_byte syment_ext[SYMESZ * 10]; 2177 bfd_byte reloc_ext[RELSZ * 3]; 2178 bfd_byte *data_buffer; 2179 bfd_size_type data_buffer_size; 2180 bfd_byte *string_table, *st_tmp; 2181 bfd_size_type string_table_size; 2182 bfd_vma val; 2183 size_t initsz, finisz; 2184 struct internal_filehdr filehdr; 2185 struct internal_scnhdr text_scnhdr; 2186 struct internal_scnhdr data_scnhdr; 2187 struct internal_scnhdr bss_scnhdr; 2188 struct internal_syment syment; 2189 union internal_auxent auxent; 2190 struct internal_reloc reloc; 2191 2192 char *text_name = ".text"; 2193 char *data_name = ".data"; 2194 char *bss_name = ".bss"; 2195 char *rtinit_name = "__rtinit"; 2196 char *rtld_name = "__rtld"; 2197 2198 if (! bfd_xcoff_rtinit_size (abfd)) 2199 return FALSE; 2200 2201 initsz = (init == NULL ? 0 : 1 + strlen (init)); 2202 finisz = (fini == NULL ? 0 : 1 + strlen (fini)); 2203 2204 /* File header. */ 2205 memset (filehdr_ext, 0, FILHSZ); 2206 memset (&filehdr, 0, sizeof (struct internal_filehdr)); 2207 filehdr.f_magic = bfd_xcoff_magic_number (abfd); 2208 filehdr.f_nscns = 3; 2209 filehdr.f_timdat = 0; 2210 filehdr.f_nsyms = 0; /* at least 6, no more than 8 */ 2211 filehdr.f_symptr = 0; /* set below */ 2212 filehdr.f_opthdr = 0; 2213 filehdr.f_flags = 0; 2214 2215 /* Section headers. */ 2216 memset (scnhdr_ext, 0, 3 * SCNHSZ); 2217 2218 /* Text. */ 2219 memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr)); 2220 memcpy (text_scnhdr.s_name, text_name, strlen (text_name)); 2221 text_scnhdr.s_paddr = 0; 2222 text_scnhdr.s_vaddr = 0; 2223 text_scnhdr.s_size = 0; 2224 text_scnhdr.s_scnptr = 0; 2225 text_scnhdr.s_relptr = 0; 2226 text_scnhdr.s_lnnoptr = 0; 2227 text_scnhdr.s_nreloc = 0; 2228 text_scnhdr.s_nlnno = 0; 2229 text_scnhdr.s_flags = STYP_TEXT; 2230 2231 /* Data. */ 2232 memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr)); 2233 memcpy (data_scnhdr.s_name, data_name, strlen (data_name)); 2234 data_scnhdr.s_paddr = 0; 2235 data_scnhdr.s_vaddr = 0; 2236 data_scnhdr.s_size = 0; /* set below */ 2237 data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ; 2238 data_scnhdr.s_relptr = 0; /* set below */ 2239 data_scnhdr.s_lnnoptr = 0; 2240 data_scnhdr.s_nreloc = 0; /* either 1 or 2 */ 2241 data_scnhdr.s_nlnno = 0; 2242 data_scnhdr.s_flags = STYP_DATA; 2243 2244 /* Bss. */ 2245 memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr)); 2246 memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name)); 2247 bss_scnhdr.s_paddr = 0; /* set below */ 2248 bss_scnhdr.s_vaddr = 0; /* set below */ 2249 bss_scnhdr.s_size = 0; /* set below */ 2250 bss_scnhdr.s_scnptr = 0; 2251 bss_scnhdr.s_relptr = 0; 2252 bss_scnhdr.s_lnnoptr = 0; 2253 bss_scnhdr.s_nreloc = 0; 2254 bss_scnhdr.s_nlnno = 0; 2255 bss_scnhdr.s_flags = STYP_BSS; 2256 2257 /* .data 2258 0x0000 0x00000000 : rtl 2259 0x0004 0x00000000 : 2260 0x0008 0x00000018 : offset to init, or 0 2261 0x000C 0x00000038 : offset to fini, or 0 2262 0x0010 0x00000010 : size of descriptor 2263 0x0014 0x00000000 : pad 2264 0x0018 0x00000000 : init, needs a reloc 2265 0x001C 0x00000000 : 2266 0x0020 0x00000058 : offset to init name 2267 0x0024 0x00000000 : flags, padded to a word 2268 0x0028 0x00000000 : empty init 2269 0x002C 0x00000000 : 2270 0x0030 0x00000000 : 2271 0x0034 0x00000000 : 2272 0x0038 0x00000000 : fini, needs a reloc 2273 0x003C 0x00000000 : 2274 0x0040 0x00000??? : offset to fini name 2275 0x0044 0x00000000 : flags, padded to a word 2276 0x0048 0x00000000 : empty fini 2277 0x004C 0x00000000 : 2278 0x0050 0x00000000 : 2279 0x0054 0x00000000 : 2280 0x0058 init name 2281 0x0058 + initsz fini name */ 2282 2283 data_buffer_size = 0x0058 + initsz + finisz; 2284 data_buffer_size = (data_buffer_size + 7) &~ (bfd_size_type) 7; 2285 data_buffer = NULL; 2286 data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size); 2287 if (data_buffer == NULL) 2288 return FALSE; 2289 2290 if (initsz) 2291 { 2292 val = 0x18; 2293 bfd_put_32 (abfd, val, &data_buffer[0x08]); 2294 val = 0x58; 2295 bfd_put_32 (abfd, val, &data_buffer[0x20]); 2296 memcpy (&data_buffer[val], init, initsz); 2297 } 2298 2299 if (finisz) 2300 { 2301 val = 0x38; 2302 bfd_put_32 (abfd, val, &data_buffer[0x0C]); 2303 val = 0x58 + initsz; 2304 bfd_put_32 (abfd, val, &data_buffer[0x40]); 2305 memcpy (&data_buffer[val], fini, finisz); 2306 } 2307 2308 val = 0x10; 2309 bfd_put_32 (abfd, val, &data_buffer[0x10]); 2310 data_scnhdr.s_size = data_buffer_size; 2311 bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size; 2312 2313 /* String table. */ 2314 string_table_size = 4; 2315 string_table_size += strlen (data_name) + 1; 2316 string_table_size += strlen (rtinit_name) + 1; 2317 string_table_size += initsz; 2318 string_table_size += finisz; 2319 if (rtld) 2320 string_table_size += strlen (rtld_name) + 1; 2321 2322 string_table = (bfd_byte *) bfd_zmalloc (string_table_size); 2323 if (string_table == NULL) 2324 return FALSE; 2325 2326 val = string_table_size; 2327 bfd_put_32 (abfd, val, &string_table[0]); 2328 st_tmp = string_table + 4; 2329 2330 /* symbols 2331 0. .data csect 2332 2. __rtinit 2333 4. init function 2334 6. fini function 2335 8. __rtld */ 2336 memset (syment_ext, 0, 10 * SYMESZ); 2337 memset (reloc_ext, 0, 3 * RELSZ); 2338 2339 /* .data csect */ 2340 memset (&syment, 0, sizeof (struct internal_syment)); 2341 memset (&auxent, 0, sizeof (union internal_auxent)); 2342 2343 syment._n._n_n._n_offset = st_tmp - string_table; 2344 memcpy (st_tmp, data_name, strlen (data_name)); 2345 st_tmp += strlen (data_name) + 1; 2346 2347 syment.n_scnum = 2; 2348 syment.n_sclass = C_HIDEXT; 2349 syment.n_numaux = 1; 2350 auxent.x_csect.x_scnlen.l = data_buffer_size; 2351 auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD; 2352 auxent.x_csect.x_smclas = XMC_RW; 2353 bfd_coff_swap_sym_out (abfd, &syment, 2354 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2355 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2356 syment.n_numaux, 2357 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2358 filehdr.f_nsyms += 2; 2359 2360 /* __rtinit */ 2361 memset (&syment, 0, sizeof (struct internal_syment)); 2362 memset (&auxent, 0, sizeof (union internal_auxent)); 2363 syment._n._n_n._n_offset = st_tmp - string_table; 2364 memcpy (st_tmp, rtinit_name, strlen (rtinit_name)); 2365 st_tmp += strlen (rtinit_name) + 1; 2366 2367 syment.n_scnum = 2; 2368 syment.n_sclass = C_EXT; 2369 syment.n_numaux = 1; 2370 auxent.x_csect.x_smtyp = XTY_LD; 2371 auxent.x_csect.x_smclas = XMC_RW; 2372 bfd_coff_swap_sym_out (abfd, &syment, 2373 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2374 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2375 syment.n_numaux, 2376 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2377 filehdr.f_nsyms += 2; 2378 2379 /* Init. */ 2380 if (initsz) 2381 { 2382 memset (&syment, 0, sizeof (struct internal_syment)); 2383 memset (&auxent, 0, sizeof (union internal_auxent)); 2384 2385 syment._n._n_n._n_offset = st_tmp - string_table; 2386 memcpy (st_tmp, init, initsz); 2387 st_tmp += initsz; 2388 2389 syment.n_sclass = C_EXT; 2390 syment.n_numaux = 1; 2391 bfd_coff_swap_sym_out (abfd, &syment, 2392 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2393 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2394 syment.n_numaux, 2395 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2396 /* Reloc. */ 2397 memset (&reloc, 0, sizeof (struct internal_reloc)); 2398 reloc.r_vaddr = 0x0018; 2399 reloc.r_symndx = filehdr.f_nsyms; 2400 reloc.r_type = R_POS; 2401 reloc.r_size = 63; 2402 bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]); 2403 2404 filehdr.f_nsyms += 2; 2405 data_scnhdr.s_nreloc += 1; 2406 } 2407 2408 /* Finit. */ 2409 if (finisz) 2410 { 2411 memset (&syment, 0, sizeof (struct internal_syment)); 2412 memset (&auxent, 0, sizeof (union internal_auxent)); 2413 2414 syment._n._n_n._n_offset = st_tmp - string_table; 2415 memcpy (st_tmp, fini, finisz); 2416 st_tmp += finisz; 2417 2418 syment.n_sclass = C_EXT; 2419 syment.n_numaux = 1; 2420 bfd_coff_swap_sym_out (abfd, &syment, 2421 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2422 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2423 syment.n_numaux, 2424 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2425 2426 /* Reloc. */ 2427 memset (&reloc, 0, sizeof (struct internal_reloc)); 2428 reloc.r_vaddr = 0x0038; 2429 reloc.r_symndx = filehdr.f_nsyms; 2430 reloc.r_type = R_POS; 2431 reloc.r_size = 63; 2432 bfd_coff_swap_reloc_out (abfd, &reloc, 2433 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); 2434 2435 filehdr.f_nsyms += 2; 2436 data_scnhdr.s_nreloc += 1; 2437 } 2438 2439 if (rtld) 2440 { 2441 memset (&syment, 0, sizeof (struct internal_syment)); 2442 memset (&auxent, 0, sizeof (union internal_auxent)); 2443 2444 syment._n._n_n._n_offset = st_tmp - string_table; 2445 memcpy (st_tmp, rtld_name, strlen (rtld_name)); 2446 st_tmp += strlen (rtld_name) + 1; 2447 2448 syment.n_sclass = C_EXT; 2449 syment.n_numaux = 1; 2450 bfd_coff_swap_sym_out (abfd, &syment, 2451 &syment_ext[filehdr.f_nsyms * SYMESZ]); 2452 bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, 2453 syment.n_numaux, 2454 &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); 2455 2456 /* Reloc. */ 2457 memset (&reloc, 0, sizeof (struct internal_reloc)); 2458 reloc.r_vaddr = 0x0000; 2459 reloc.r_symndx = filehdr.f_nsyms; 2460 reloc.r_type = R_POS; 2461 reloc.r_size = 63; 2462 bfd_coff_swap_reloc_out (abfd, &reloc, 2463 &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); 2464 2465 filehdr.f_nsyms += 2; 2466 data_scnhdr.s_nreloc += 1; 2467 2468 bss_scnhdr.s_size = 0; 2469 } 2470 2471 data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size; 2472 filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ; 2473 2474 bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext); 2475 bfd_bwrite (filehdr_ext, FILHSZ, abfd); 2476 bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]); 2477 bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]); 2478 bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]); 2479 bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd); 2480 bfd_bwrite (data_buffer, data_buffer_size, abfd); 2481 bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd); 2482 bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd); 2483 bfd_bwrite (string_table, string_table_size, abfd); 2484 2485 free (data_buffer); 2486 data_buffer = NULL; 2487 2488 return TRUE; 2489 } 2490 2491 /* The typical dynamic reloc. */ 2492 2493 static reloc_howto_type xcoff64_dynamic_reloc = 2494 HOWTO (0, /* type */ 2495 0, /* rightshift */ 2496 4, /* size (0 = byte, 1 = short, 2 = long) */ 2497 64, /* bitsize */ 2498 FALSE, /* pc_relative */ 2499 0, /* bitpos */ 2500 complain_overflow_bitfield, /* complain_on_overflow */ 2501 0, /* special_function */ 2502 "R_POS", /* name */ 2503 TRUE, /* partial_inplace */ 2504 MINUS_ONE, /* src_mask */ 2505 MINUS_ONE, /* dst_mask */ 2506 FALSE); /* pcrel_offset */ 2507 2508 static unsigned long xcoff64_glink_code[10] = 2509 { 2510 0xe9820000, /* ld r12,0(r2) */ 2511 0xf8410028, /* std r2,40(r1) */ 2512 0xe80c0000, /* ld r0,0(r12) */ 2513 0xe84c0008, /* ld r0,8(r12) */ 2514 0x7c0903a6, /* mtctr r0 */ 2515 0x4e800420, /* bctr */ 2516 0x00000000, /* start of traceback table */ 2517 0x000ca000, /* traceback table */ 2518 0x00000000, /* traceback table */ 2519 0x00000018, /* ??? */ 2520 }; 2521 2522 static const struct xcoff_backend_data_rec bfd_xcoff_backend_data = 2523 { 2524 { /* COFF backend, defined in libcoff.h. */ 2525 _bfd_xcoff64_swap_aux_in, 2526 _bfd_xcoff64_swap_sym_in, 2527 _bfd_xcoff64_swap_lineno_in, 2528 _bfd_xcoff64_swap_aux_out, 2529 _bfd_xcoff64_swap_sym_out, 2530 _bfd_xcoff64_swap_lineno_out, 2531 xcoff64_swap_reloc_out, 2532 coff_swap_filehdr_out, 2533 coff_swap_aouthdr_out, 2534 coff_swap_scnhdr_out, 2535 FILHSZ, 2536 AOUTSZ, 2537 SCNHSZ, 2538 SYMESZ, 2539 AUXESZ, 2540 RELSZ, 2541 LINESZ, 2542 FILNMLEN, 2543 TRUE, /* _bfd_coff_long_filenames */ 2544 FALSE, /* _bfd_coff_long_section_names */ 2545 3, /* _bfd_coff_default_section_alignment_power */ 2546 TRUE, /* _bfd_coff_force_symnames_in_strings */ 2547 4, /* _bfd_coff_debug_string_prefix_length */ 2548 coff_swap_filehdr_in, 2549 coff_swap_aouthdr_in, 2550 coff_swap_scnhdr_in, 2551 xcoff64_swap_reloc_in, 2552 xcoff64_bad_format_hook, 2553 coff_set_arch_mach_hook, 2554 coff_mkobject_hook, 2555 styp_to_sec_flags, 2556 coff_set_alignment_hook, 2557 coff_slurp_symbol_table, 2558 symname_in_debug_hook, 2559 coff_pointerize_aux_hook, 2560 coff_print_aux, 2561 dummy_reloc16_extra_cases, 2562 dummy_reloc16_estimate, 2563 NULL, /* bfd_coff_sym_is_global */ 2564 coff_compute_section_file_positions, 2565 NULL, /* _bfd_coff_start_final_link */ 2566 xcoff64_ppc_relocate_section, 2567 coff_rtype_to_howto, 2568 NULL, /* _bfd_coff_adjust_symndx */ 2569 _bfd_generic_link_add_one_symbol, 2570 coff_link_output_has_begun, 2571 coff_final_link_postscript 2572 }, 2573 2574 0x01EF, /* magic number */ 2575 bfd_arch_powerpc, 2576 bfd_mach_ppc_620, 2577 2578 /* Function pointers to xcoff specific swap routines. */ 2579 xcoff64_swap_ldhdr_in, 2580 xcoff64_swap_ldhdr_out, 2581 xcoff64_swap_ldsym_in, 2582 xcoff64_swap_ldsym_out, 2583 xcoff64_swap_ldrel_in, 2584 xcoff64_swap_ldrel_out, 2585 2586 /* Sizes. */ 2587 LDHDRSZ, 2588 LDSYMSZ, 2589 LDRELSZ, 2590 24, /* _xcoff_function_descriptor_size */ 2591 0, /* _xcoff_small_aout_header_size */ 2592 2593 /* Versions. */ 2594 2, /* _xcoff_ldhdr_version */ 2595 2596 _bfd_xcoff64_put_symbol_name, 2597 _bfd_xcoff64_put_ldsymbol_name, 2598 &xcoff64_dynamic_reloc, 2599 xcoff64_create_csect_from_smclas, 2600 2601 /* Lineno and reloc count overflow. */ 2602 xcoff64_is_lineno_count_overflow, 2603 xcoff64_is_reloc_count_overflow, 2604 2605 xcoff64_loader_symbol_offset, 2606 xcoff64_loader_reloc_offset, 2607 2608 /* glink. */ 2609 &xcoff64_glink_code[0], 2610 40, /* _xcoff_glink_size */ 2611 2612 /* rtinit. */ 2613 88, /* _xcoff_rtinit_size */ 2614 xcoff64_generate_rtinit, 2615 }; 2616 2617 /* The transfer vector that leads the outside world to all of the above. */ 2618 const bfd_target rs6000coff64_vec = 2619 { 2620 "aixcoff64-rs6000", 2621 bfd_target_xcoff_flavour, 2622 BFD_ENDIAN_BIG, /* data byte order is big */ 2623 BFD_ENDIAN_BIG, /* header byte order is big */ 2624 2625 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC 2626 | HAS_SYMS | HAS_LOCALS | WP_TEXT), 2627 2628 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, 2629 0, /* leading char */ 2630 '/', /* ar_pad_char */ 2631 15, /* ar_max_namelen */ 2632 2633 /* data */ 2634 bfd_getb64, 2635 bfd_getb_signed_64, 2636 bfd_putb64, 2637 bfd_getb32, 2638 bfd_getb_signed_32, 2639 bfd_putb32, 2640 bfd_getb16, 2641 bfd_getb_signed_16, 2642 bfd_putb16, 2643 2644 /* hdrs */ 2645 bfd_getb64, 2646 bfd_getb_signed_64, 2647 bfd_putb64, 2648 bfd_getb32, 2649 bfd_getb_signed_32, 2650 bfd_putb32, 2651 bfd_getb16, 2652 bfd_getb_signed_16, 2653 bfd_putb16, 2654 2655 { /* bfd_check_format */ 2656 _bfd_dummy_target, 2657 coff_object_p, 2658 xcoff64_archive_p, 2659 CORE_FILE_P 2660 }, 2661 2662 { /* bfd_set_format */ 2663 bfd_false, 2664 coff_mkobject, 2665 _bfd_generic_mkarchive, 2666 bfd_false 2667 }, 2668 2669 {/* bfd_write_contents */ 2670 bfd_false, 2671 xcoff64_write_object_contents, 2672 _bfd_xcoff_write_archive_contents, 2673 bfd_false 2674 }, 2675 2676 /* Generic */ 2677 bfd_true, 2678 bfd_true, 2679 coff_new_section_hook, 2680 _bfd_generic_get_section_contents, 2681 _bfd_generic_get_section_contents_in_window, 2682 2683 /* Copy */ 2684 _bfd_xcoff_copy_private_bfd_data, 2685 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), 2686 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), 2687 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), 2688 ((bfd_boolean (*) (bfd *, flagword)) bfd_true), 2689 ((bfd_boolean (*) (bfd *, void * )) bfd_true), 2690 2691 /* Core */ 2692 coff_core_file_failing_command, 2693 coff_core_file_failing_signal, 2694 coff_core_file_matches_executable_p, 2695 2696 /* Archive */ 2697 xcoff64_slurp_armap, 2698 bfd_false, 2699 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), 2700 bfd_dont_truncate_arname, 2701 _bfd_xcoff_write_armap, 2702 _bfd_xcoff_read_ar_hdr, 2703 xcoff64_openr_next_archived_file, 2704 _bfd_generic_get_elt_at_index, 2705 _bfd_xcoff_stat_arch_elt, 2706 bfd_true, 2707 2708 /* Symbols */ 2709 coff_get_symtab_upper_bound, 2710 coff_get_symtab, 2711 coff_make_empty_symbol, 2712 coff_print_symbol, 2713 coff_get_symbol_info, 2714 _bfd_xcoff_is_local_label_name, 2715 coff_get_lineno, 2716 coff_find_nearest_line, 2717 coff_bfd_make_debug_symbol, 2718 _bfd_generic_read_minisymbols, 2719 _bfd_generic_minisymbol_to_symbol, 2720 2721 /* Reloc */ 2722 coff_get_reloc_upper_bound, 2723 coff_canonicalize_reloc, 2724 xcoff64_reloc_type_lookup, 2725 2726 /* Write */ 2727 coff_set_arch_mach, 2728 coff_set_section_contents, 2729 2730 /* Link */ 2731 xcoff64_sizeof_headers, 2732 bfd_generic_get_relocated_section_contents, 2733 bfd_generic_relax_section, 2734 _bfd_xcoff_bfd_link_hash_table_create, 2735 _bfd_generic_link_hash_table_free, 2736 _bfd_xcoff_bfd_link_add_symbols, 2737 _bfd_generic_link_just_syms, 2738 _bfd_xcoff_bfd_final_link, 2739 _bfd_generic_link_split_section, 2740 bfd_generic_gc_sections, 2741 bfd_generic_merge_sections, 2742 bfd_generic_discard_group, 2743 2744 /* Dynamic */ 2745 _bfd_xcoff_get_dynamic_symtab_upper_bound, 2746 _bfd_xcoff_canonicalize_dynamic_symtab, 2747 _bfd_xcoff_get_dynamic_reloc_upper_bound, 2748 _bfd_xcoff_canonicalize_dynamic_reloc, 2749 2750 /* Opposite endian version, none exists */ 2751 NULL, 2752 2753 (void *) &bfd_xcoff_backend_data, 2754 }; 2755 2756 extern const bfd_target *xcoff64_core_p 2757 PARAMS ((bfd *)); 2758 extern bfd_boolean xcoff64_core_file_matches_executable_p 2759 PARAMS ((bfd *, bfd *)); 2760 extern char *xcoff64_core_file_failing_command 2761 PARAMS ((bfd *)); 2762 extern int xcoff64_core_file_failing_signal 2763 PARAMS ((bfd *)); 2764 2765 /* AIX 5 */ 2766 static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data = 2767 { 2768 { /* COFF backend, defined in libcoff.h. */ 2769 _bfd_xcoff64_swap_aux_in, 2770 _bfd_xcoff64_swap_sym_in, 2771 _bfd_xcoff64_swap_lineno_in, 2772 _bfd_xcoff64_swap_aux_out, 2773 _bfd_xcoff64_swap_sym_out, 2774 _bfd_xcoff64_swap_lineno_out, 2775 xcoff64_swap_reloc_out, 2776 coff_swap_filehdr_out, 2777 coff_swap_aouthdr_out, 2778 coff_swap_scnhdr_out, 2779 FILHSZ, 2780 AOUTSZ, 2781 SCNHSZ, 2782 SYMESZ, 2783 AUXESZ, 2784 RELSZ, 2785 LINESZ, 2786 FILNMLEN, 2787 TRUE, /* _bfd_coff_long_filenames */ 2788 FALSE, /* _bfd_coff_long_section_names */ 2789 3, /* _bfd_coff_default_section_alignment_power */ 2790 TRUE, /* _bfd_coff_force_symnames_in_strings */ 2791 4, /* _bfd_coff_debug_string_prefix_length */ 2792 coff_swap_filehdr_in, 2793 coff_swap_aouthdr_in, 2794 coff_swap_scnhdr_in, 2795 xcoff64_swap_reloc_in, 2796 xcoff64_bad_format_hook, 2797 coff_set_arch_mach_hook, 2798 coff_mkobject_hook, 2799 styp_to_sec_flags, 2800 coff_set_alignment_hook, 2801 coff_slurp_symbol_table, 2802 symname_in_debug_hook, 2803 coff_pointerize_aux_hook, 2804 coff_print_aux, 2805 dummy_reloc16_extra_cases, 2806 dummy_reloc16_estimate, 2807 NULL, /* bfd_coff_sym_is_global */ 2808 coff_compute_section_file_positions, 2809 NULL, /* _bfd_coff_start_final_link */ 2810 xcoff64_ppc_relocate_section, 2811 coff_rtype_to_howto, 2812 NULL, /* _bfd_coff_adjust_symndx */ 2813 _bfd_generic_link_add_one_symbol, 2814 coff_link_output_has_begun, 2815 coff_final_link_postscript 2816 }, 2817 2818 U64_TOCMAGIC, /* magic number */ 2819 bfd_arch_powerpc, 2820 bfd_mach_ppc_620, 2821 2822 /* Function pointers to xcoff specific swap routines. */ 2823 xcoff64_swap_ldhdr_in, 2824 xcoff64_swap_ldhdr_out, 2825 xcoff64_swap_ldsym_in, 2826 xcoff64_swap_ldsym_out, 2827 xcoff64_swap_ldrel_in, 2828 xcoff64_swap_ldrel_out, 2829 2830 /* Sizes. */ 2831 LDHDRSZ, 2832 LDSYMSZ, 2833 LDRELSZ, 2834 24, /* _xcoff_function_descriptor_size */ 2835 0, /* _xcoff_small_aout_header_size */ 2836 /* Versions. */ 2837 2, /* _xcoff_ldhdr_version */ 2838 2839 _bfd_xcoff64_put_symbol_name, 2840 _bfd_xcoff64_put_ldsymbol_name, 2841 &xcoff64_dynamic_reloc, 2842 xcoff64_create_csect_from_smclas, 2843 2844 /* Lineno and reloc count overflow. */ 2845 xcoff64_is_lineno_count_overflow, 2846 xcoff64_is_reloc_count_overflow, 2847 2848 xcoff64_loader_symbol_offset, 2849 xcoff64_loader_reloc_offset, 2850 2851 /* glink. */ 2852 &xcoff64_glink_code[0], 2853 40, /* _xcoff_glink_size */ 2854 2855 /* rtinit. */ 2856 88, /* _xcoff_rtinit_size */ 2857 xcoff64_generate_rtinit, 2858 }; 2859 2860 /* The transfer vector that leads the outside world to all of the above. */ 2861 const bfd_target aix5coff64_vec = 2862 { 2863 "aix5coff64-rs6000", 2864 bfd_target_xcoff_flavour, 2865 BFD_ENDIAN_BIG, /* data byte order is big */ 2866 BFD_ENDIAN_BIG, /* header byte order is big */ 2867 2868 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | DYNAMIC 2869 | HAS_SYMS | HAS_LOCALS | WP_TEXT), 2870 2871 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, 2872 0, /* leading char */ 2873 '/', /* ar_pad_char */ 2874 15, /* ar_max_namelen */ 2875 2876 /* data */ 2877 bfd_getb64, 2878 bfd_getb_signed_64, 2879 bfd_putb64, 2880 bfd_getb32, 2881 bfd_getb_signed_32, 2882 bfd_putb32, 2883 bfd_getb16, 2884 bfd_getb_signed_16, 2885 bfd_putb16, 2886 2887 /* hdrs */ 2888 bfd_getb64, 2889 bfd_getb_signed_64, 2890 bfd_putb64, 2891 bfd_getb32, 2892 bfd_getb_signed_32, 2893 bfd_putb32, 2894 bfd_getb16, 2895 bfd_getb_signed_16, 2896 bfd_putb16, 2897 2898 { /* bfd_check_format */ 2899 _bfd_dummy_target, 2900 coff_object_p, 2901 xcoff64_archive_p, 2902 xcoff64_core_p 2903 }, 2904 2905 { /* bfd_set_format */ 2906 bfd_false, 2907 coff_mkobject, 2908 _bfd_generic_mkarchive, 2909 bfd_false 2910 }, 2911 2912 {/* bfd_write_contents */ 2913 bfd_false, 2914 xcoff64_write_object_contents, 2915 _bfd_xcoff_write_archive_contents, 2916 bfd_false 2917 }, 2918 2919 /* Generic */ 2920 bfd_true, 2921 bfd_true, 2922 coff_new_section_hook, 2923 _bfd_generic_get_section_contents, 2924 _bfd_generic_get_section_contents_in_window, 2925 2926 /* Copy */ 2927 _bfd_xcoff_copy_private_bfd_data, 2928 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), 2929 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), 2930 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), 2931 ((bfd_boolean (*) (bfd *, flagword)) bfd_true), 2932 ((bfd_boolean (*) (bfd *, void * )) bfd_true), 2933 2934 /* Core */ 2935 xcoff64_core_file_failing_command, 2936 xcoff64_core_file_failing_signal, 2937 xcoff64_core_file_matches_executable_p, 2938 2939 /* Archive */ 2940 xcoff64_slurp_armap, 2941 bfd_false, 2942 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), 2943 bfd_dont_truncate_arname, 2944 _bfd_xcoff_write_armap, 2945 _bfd_xcoff_read_ar_hdr, 2946 xcoff64_openr_next_archived_file, 2947 _bfd_generic_get_elt_at_index, 2948 _bfd_xcoff_stat_arch_elt, 2949 bfd_true, 2950 2951 /* Symbols */ 2952 coff_get_symtab_upper_bound, 2953 coff_get_symtab, 2954 coff_make_empty_symbol, 2955 coff_print_symbol, 2956 coff_get_symbol_info, 2957 _bfd_xcoff_is_local_label_name, 2958 coff_get_lineno, 2959 coff_find_nearest_line, 2960 coff_bfd_make_debug_symbol, 2961 _bfd_generic_read_minisymbols, 2962 _bfd_generic_minisymbol_to_symbol, 2963 2964 /* Reloc */ 2965 coff_get_reloc_upper_bound, 2966 coff_canonicalize_reloc, 2967 xcoff64_reloc_type_lookup, 2968 2969 /* Write */ 2970 coff_set_arch_mach, 2971 coff_set_section_contents, 2972 2973 /* Link */ 2974 xcoff64_sizeof_headers, 2975 bfd_generic_get_relocated_section_contents, 2976 bfd_generic_relax_section, 2977 _bfd_xcoff_bfd_link_hash_table_create, 2978 _bfd_generic_link_hash_table_free, 2979 _bfd_xcoff_bfd_link_add_symbols, 2980 _bfd_generic_link_just_syms, 2981 _bfd_xcoff_bfd_final_link, 2982 _bfd_generic_link_split_section, 2983 bfd_generic_gc_sections, 2984 bfd_generic_merge_sections, 2985 bfd_generic_discard_group, 2986 2987 /* Dynamic */ 2988 _bfd_xcoff_get_dynamic_symtab_upper_bound, 2989 _bfd_xcoff_canonicalize_dynamic_symtab, 2990 _bfd_xcoff_get_dynamic_reloc_upper_bound, 2991 _bfd_xcoff_canonicalize_dynamic_reloc, 2992 2993 /* Opposite endian version, none exists. */ 2994 NULL, 2995 2996 (void *) & bfd_xcoff_aix5_backend_data, 2997 }; 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