1 /* BFD back-end for MIPS Extended-Coff files.
2 Copyright (C) 1990-2016 Free Software Foundation, Inc.
3 Original version by Per Bothner.
4 Full support added by Ian Lance Taylor, ian@cygnus.com.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
27 #include "coff/internal.h"
29 #include "coff/symconst.h"
30 #include "coff/ecoff.h"
31 #include "coff/mips.h"
35 /* Prototypes for static functions. */
36 static bfd_reloc_status_type
38 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
39 static bfd_reloc_status_type
41 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
42 static bfd_reloc_status_type
44 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
45 static bfd_reloc_status_type
47 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
50 /* ECOFF has COFF sections, but the debugging information is stored in
51 a completely different format. ECOFF targets use some of the
52 swapping routines from coffswap.h, and some of the generic COFF
53 routines in coffgen.c, but, unlike the real COFF targets, do not
54 use coffcode.h itself.
56 Get the generic COFF swapping routines, except for the reloc,
57 symbol, and lineno ones. Give them ECOFF names. */
59 #define NO_COFF_RELOCS
60 #define NO_COFF_SYMBOLS
61 #define NO_COFF_LINENOS
62 #define coff_swap_filehdr_in mips_ecoff_swap_filehdr_in
63 #define coff_swap_filehdr_out mips_ecoff_swap_filehdr_out
64 #define coff_swap_aouthdr_in mips_ecoff_swap_aouthdr_in
65 #define coff_swap_aouthdr_out mips_ecoff_swap_aouthdr_out
66 #define coff_swap_scnhdr_in mips_ecoff_swap_scnhdr_in
67 #define coff_swap_scnhdr_out mips_ecoff_swap_scnhdr_out
71 /* Get the ECOFF swapping routines. */
73 #include "ecoffswap.h"
75 /* How to process the various relocs types. */
77 static reloc_howto_type mips_howto_table[] =
79 /* Reloc type 0 is ignored. The reloc reading code ensures that
80 this is a reference to the .abs section, which will cause
81 bfd_perform_relocation to do nothing. */
82 HOWTO (MIPS_R_IGNORE, /* type */
84 0, /* size (0 = byte, 1 = short, 2 = long) */
86 FALSE, /* pc_relative */
88 complain_overflow_dont, /* complain_on_overflow */
89 0, /* special_function */
91 FALSE, /* partial_inplace */
94 FALSE), /* pcrel_offset */
96 /* A 16 bit reference to a symbol, normally from a data section. */
97 HOWTO (MIPS_R_REFHALF, /* type */
99 1, /* size (0 = byte, 1 = short, 2 = long) */
101 FALSE, /* pc_relative */
103 complain_overflow_bitfield, /* complain_on_overflow */
104 mips_generic_reloc, /* special_function */
105 "REFHALF", /* name */
106 TRUE, /* partial_inplace */
107 0xffff, /* src_mask */
108 0xffff, /* dst_mask */
109 FALSE), /* pcrel_offset */
111 /* A 32 bit reference to a symbol, normally from a data section. */
112 HOWTO (MIPS_R_REFWORD, /* type */
114 2, /* size (0 = byte, 1 = short, 2 = long) */
116 FALSE, /* pc_relative */
118 complain_overflow_bitfield, /* complain_on_overflow */
119 mips_generic_reloc, /* special_function */
120 "REFWORD", /* name */
121 TRUE, /* partial_inplace */
122 0xffffffff, /* src_mask */
123 0xffffffff, /* dst_mask */
124 FALSE), /* pcrel_offset */
126 /* A 26 bit absolute jump address. */
127 HOWTO (MIPS_R_JMPADDR, /* type */
129 2, /* size (0 = byte, 1 = short, 2 = long) */
131 FALSE, /* pc_relative */
133 complain_overflow_dont, /* complain_on_overflow */
134 /* This needs complex overflow
135 detection, because the upper four
136 bits must match the PC. */
137 mips_generic_reloc, /* special_function */
138 "JMPADDR", /* name */
139 TRUE, /* partial_inplace */
140 0x3ffffff, /* src_mask */
141 0x3ffffff, /* dst_mask */
142 FALSE), /* pcrel_offset */
144 /* The high 16 bits of a symbol value. Handled by the function
146 HOWTO (MIPS_R_REFHI, /* type */
148 2, /* size (0 = byte, 1 = short, 2 = long) */
150 FALSE, /* pc_relative */
152 complain_overflow_bitfield, /* complain_on_overflow */
153 mips_refhi_reloc, /* special_function */
155 TRUE, /* partial_inplace */
156 0xffff, /* src_mask */
157 0xffff, /* dst_mask */
158 FALSE), /* pcrel_offset */
160 /* The low 16 bits of a symbol value. */
161 HOWTO (MIPS_R_REFLO, /* type */
163 2, /* size (0 = byte, 1 = short, 2 = long) */
165 FALSE, /* pc_relative */
167 complain_overflow_dont, /* complain_on_overflow */
168 mips_reflo_reloc, /* special_function */
170 TRUE, /* partial_inplace */
171 0xffff, /* src_mask */
172 0xffff, /* dst_mask */
173 FALSE), /* pcrel_offset */
175 /* A reference to an offset from the gp register. Handled by the
176 function mips_gprel_reloc. */
177 HOWTO (MIPS_R_GPREL, /* type */
179 2, /* size (0 = byte, 1 = short, 2 = long) */
181 FALSE, /* pc_relative */
183 complain_overflow_signed, /* complain_on_overflow */
184 mips_gprel_reloc, /* special_function */
186 TRUE, /* partial_inplace */
187 0xffff, /* src_mask */
188 0xffff, /* dst_mask */
189 FALSE), /* pcrel_offset */
191 /* A reference to a literal using an offset from the gp register.
192 Handled by the function mips_gprel_reloc. */
193 HOWTO (MIPS_R_LITERAL, /* type */
195 2, /* size (0 = byte, 1 = short, 2 = long) */
197 FALSE, /* pc_relative */
199 complain_overflow_signed, /* complain_on_overflow */
200 mips_gprel_reloc, /* special_function */
201 "LITERAL", /* name */
202 TRUE, /* partial_inplace */
203 0xffff, /* src_mask */
204 0xffff, /* dst_mask */
205 FALSE), /* pcrel_offset */
212 /* FIXME: This relocation is used (internally only) to represent branches
213 when assembling. It should never appear in output files, and
214 be removed. (It used to be used for embedded-PIC support.) */
215 HOWTO (MIPS_R_PCREL16, /* type */
217 2, /* size (0 = byte, 1 = short, 2 = long) */
219 TRUE, /* pc_relative */
221 complain_overflow_signed, /* complain_on_overflow */
222 mips_generic_reloc, /* special_function */
223 "PCREL16", /* name */
224 TRUE, /* partial_inplace */
225 0xffff, /* src_mask */
226 0xffff, /* dst_mask */
227 TRUE), /* pcrel_offset */
230 #define MIPS_HOWTO_COUNT \
231 (sizeof mips_howto_table / sizeof mips_howto_table[0])
233 /* See whether the magic number matches. */
236 mips_ecoff_bad_format_hook (bfd * abfd, void * filehdr)
238 struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
240 switch (internal_f->f_magic)
243 /* I don't know what endianness this implies. */
247 case MIPS_MAGIC_BIG2:
248 case MIPS_MAGIC_BIG3:
249 return bfd_big_endian (abfd);
251 case MIPS_MAGIC_LITTLE:
252 case MIPS_MAGIC_LITTLE2:
253 case MIPS_MAGIC_LITTLE3:
254 return bfd_little_endian (abfd);
261 /* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in
262 external form. They use a bit which indicates whether the symbol
265 /* Swap a reloc in. */
268 mips_ecoff_swap_reloc_in (bfd * abfd,
270 struct internal_reloc *intern)
272 const RELOC *ext = (RELOC *) ext_ptr;
274 intern->r_vaddr = H_GET_32 (abfd, ext->r_vaddr);
275 if (bfd_header_big_endian (abfd))
277 intern->r_symndx = (((int) ext->r_bits[0]
278 << RELOC_BITS0_SYMNDX_SH_LEFT_BIG)
279 | ((int) ext->r_bits[1]
280 << RELOC_BITS1_SYMNDX_SH_LEFT_BIG)
281 | ((int) ext->r_bits[2]
282 << RELOC_BITS2_SYMNDX_SH_LEFT_BIG));
283 intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG)
284 >> RELOC_BITS3_TYPE_SH_BIG);
285 intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0;
289 intern->r_symndx = (((int) ext->r_bits[0]
290 << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE)
291 | ((int) ext->r_bits[1]
292 << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE)
293 | ((int) ext->r_bits[2]
294 << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE));
295 intern->r_type = (((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE)
296 >> RELOC_BITS3_TYPE_SH_LITTLE)
297 | ((ext->r_bits[3] & RELOC_BITS3_TYPEHI_LITTLE)
298 << RELOC_BITS3_TYPEHI_SH_LITTLE));
299 intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0;
303 /* Swap a reloc out. */
306 mips_ecoff_swap_reloc_out (bfd * abfd,
307 const struct internal_reloc * intern,
310 RELOC *ext = (RELOC *) dst;
313 BFD_ASSERT (intern->r_extern
314 || (intern->r_symndx >= 0 && intern->r_symndx <= 12));
316 r_symndx = intern->r_symndx;
318 H_PUT_32 (abfd, intern->r_vaddr, ext->r_vaddr);
319 if (bfd_header_big_endian (abfd))
321 ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG;
322 ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG;
323 ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG;
324 ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG)
325 & RELOC_BITS3_TYPE_BIG)
326 | (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0));
330 ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE;
331 ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE;
332 ext->r_bits[2] = r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE;
333 ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE)
334 & RELOC_BITS3_TYPE_LITTLE)
335 | ((intern->r_type >> RELOC_BITS3_TYPEHI_SH_LITTLE
336 & RELOC_BITS3_TYPEHI_LITTLE))
337 | (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0));
341 /* Finish canonicalizing a reloc. Part of this is generic to all
342 ECOFF targets, and that part is in ecoff.c. The rest is done in
343 this backend routine. It must fill in the howto field. */
346 mips_adjust_reloc_in (bfd *abfd,
347 const struct internal_reloc *intern,
350 if (intern->r_type > MIPS_R_PCREL16)
353 if (! intern->r_extern
354 && (intern->r_type == MIPS_R_GPREL
355 || intern->r_type == MIPS_R_LITERAL))
356 rptr->addend += ecoff_data (abfd)->gp;
358 /* If the type is MIPS_R_IGNORE, make sure this is a reference to
359 the absolute section so that the reloc is ignored. */
360 if (intern->r_type == MIPS_R_IGNORE)
361 rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
363 rptr->howto = &mips_howto_table[intern->r_type];
366 /* Make any adjustments needed to a reloc before writing it out. None
367 are needed for MIPS. */
370 mips_adjust_reloc_out (bfd *abfd ATTRIBUTE_UNUSED,
371 const arelent *rel ATTRIBUTE_UNUSED,
372 struct internal_reloc *intern ATTRIBUTE_UNUSED)
376 /* ECOFF relocs are either against external symbols, or against
377 sections. If we are producing relocatable output, and the reloc
378 is against an external symbol, and nothing has given us any
379 additional addend, the resulting reloc will also be against the
380 same symbol. In such a case, we don't want to change anything
381 about the way the reloc is handled, since it will all be done at
382 final link time. Rather than put special case code into
383 bfd_perform_relocation, all the reloc types use this howto
384 function. It just short circuits the reloc if producing
385 relocatable output against an external symbol. */
387 static bfd_reloc_status_type
388 mips_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED,
389 arelent *reloc_entry,
391 void * data ATTRIBUTE_UNUSED,
392 asection *input_section,
394 char **error_message ATTRIBUTE_UNUSED)
396 if (output_bfd != (bfd *) NULL
397 && (symbol->flags & BSF_SECTION_SYM) == 0
398 && reloc_entry->addend == 0)
400 reloc_entry->address += input_section->output_offset;
404 return bfd_reloc_continue;
407 /* Do a REFHI relocation. This has to be done in combination with a
408 REFLO reloc, because there is a carry from the REFLO to the REFHI.
409 Here we just save the information we need; we do the actual
410 relocation when we see the REFLO. MIPS ECOFF requires that the
411 REFLO immediately follow the REFHI. As a GNU extension, we permit
412 an arbitrary number of HI relocs to be associated with a single LO
413 reloc. This extension permits gcc to output the HI and LO relocs
418 struct mips_hi *next;
423 /* FIXME: This should not be a static variable. */
425 static struct mips_hi *mips_refhi_list;
427 static bfd_reloc_status_type
428 mips_refhi_reloc (bfd *abfd ATTRIBUTE_UNUSED,
429 arelent *reloc_entry,
432 asection *input_section,
434 char **error_message ATTRIBUTE_UNUSED)
436 bfd_reloc_status_type ret;
440 /* If we're relocating, and this an external symbol, we don't want
441 to change anything. */
442 if (output_bfd != (bfd *) NULL
443 && (symbol->flags & BSF_SECTION_SYM) == 0
444 && reloc_entry->addend == 0)
446 reloc_entry->address += input_section->output_offset;
451 if (bfd_is_und_section (symbol->section)
452 && output_bfd == (bfd *) NULL)
453 ret = bfd_reloc_undefined;
455 if (bfd_is_com_section (symbol->section))
458 relocation = symbol->value;
460 relocation += symbol->section->output_section->vma;
461 relocation += symbol->section->output_offset;
462 relocation += reloc_entry->addend;
464 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
465 return bfd_reloc_outofrange;
467 /* Save the information, and let REFLO do the actual relocation. */
468 n = (struct mips_hi *) bfd_malloc ((bfd_size_type) sizeof *n);
470 return bfd_reloc_outofrange;
471 n->addr = (bfd_byte *) data + reloc_entry->address;
472 n->addend = relocation;
473 n->next = mips_refhi_list;
476 if (output_bfd != (bfd *) NULL)
477 reloc_entry->address += input_section->output_offset;
482 /* Do a REFLO relocation. This is a straightforward 16 bit inplace
483 relocation; this function exists in order to do the REFHI
484 relocation described above. */
486 static bfd_reloc_status_type
487 mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED,
488 arelent *reloc_entry,
491 asection *input_section,
493 char **error_message ATTRIBUTE_UNUSED)
495 if (mips_refhi_list != NULL)
505 struct mips_hi *next;
507 /* Do the REFHI relocation. Note that we actually don't
508 need to know anything about the REFLO itself, except
509 where to find the low 16 bits of the addend needed by the
511 insn = bfd_get_32 (abfd, l->addr);
512 vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
514 val = ((insn & 0xffff) << 16) + vallo;
517 /* The low order 16 bits are always treated as a signed
518 value. Therefore, a negative value in the low order bits
519 requires an adjustment in the high order bits. We need
520 to make this adjustment in two ways: once for the bits we
521 took from the data, and once for the bits we are putting
522 back in to the data. */
523 if ((vallo & 0x8000) != 0)
525 if ((val & 0x8000) != 0)
528 insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
529 bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
536 mips_refhi_list = NULL;
539 /* Now do the REFLO reloc in the usual way. */
540 return mips_generic_reloc (abfd, reloc_entry, symbol, data,
541 input_section, output_bfd, error_message);
544 /* Do a GPREL relocation. This is a 16 bit value which must become
545 the offset from the gp register. */
547 static bfd_reloc_status_type
548 mips_gprel_reloc (bfd *abfd ATTRIBUTE_UNUSED,
549 arelent *reloc_entry,
552 asection *input_section,
554 char **error_message ATTRIBUTE_UNUSED)
556 bfd_boolean relocatable;
562 /* If we're relocating, and this is an external symbol with no
563 addend, we don't want to change anything. We will only have an
564 addend if this is a newly created reloc, not read from an ECOFF
566 if (output_bfd != (bfd *) NULL
567 && (symbol->flags & BSF_SECTION_SYM) == 0
568 && reloc_entry->addend == 0)
570 reloc_entry->address += input_section->output_offset;
574 if (output_bfd != (bfd *) NULL)
579 output_bfd = symbol->section->output_section->owner;
582 if (bfd_is_und_section (symbol->section) && ! relocatable)
583 return bfd_reloc_undefined;
585 /* We have to figure out the gp value, so that we can adjust the
586 symbol value correctly. We look up the symbol _gp in the output
587 BFD. If we can't find it, we're stuck. We cache it in the ECOFF
588 target data. We don't need to adjust the symbol value for an
589 external symbol if we are producing relocatable output. */
590 gp = _bfd_get_gp_value (output_bfd);
593 || (symbol->flags & BSF_SECTION_SYM) != 0))
597 /* Make up a value. */
598 gp = symbol->section->output_section->vma + 0x4000;
599 _bfd_set_gp_value (output_bfd, gp);
607 count = bfd_get_symcount (output_bfd);
608 sym = bfd_get_outsymbols (output_bfd);
610 if (sym == (asymbol **) NULL)
614 for (i = 0; i < count; i++, sym++)
616 register const char *name;
618 name = bfd_asymbol_name (*sym);
619 if (*name == '_' && strcmp (name, "_gp") == 0)
621 gp = bfd_asymbol_value (*sym);
622 _bfd_set_gp_value (output_bfd, gp);
630 /* Only get the error once. */
632 _bfd_set_gp_value (output_bfd, gp);
634 (char *) _("GP relative relocation when _gp not defined");
635 return bfd_reloc_dangerous;
640 if (bfd_is_com_section (symbol->section))
643 relocation = symbol->value;
645 relocation += symbol->section->output_section->vma;
646 relocation += symbol->section->output_offset;
648 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
649 return bfd_reloc_outofrange;
651 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
653 /* Set val to the offset into the section or symbol. */
654 val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff;
658 /* Adjust val for the final section location and GP value. If we
659 are producing relocatable output, we don't want to do this for
660 an external symbol. */
662 || (symbol->flags & BSF_SECTION_SYM) != 0)
663 val += relocation - gp;
665 insn = (insn &~ (unsigned) 0xffff) | (val & 0xffff);
666 bfd_put_32 (abfd, (bfd_vma) insn, (bfd_byte *) data + reloc_entry->address);
669 reloc_entry->address += input_section->output_offset;
671 /* Make sure it fit in 16 bits. */
672 if ((long) val >= 0x8000 || (long) val < -0x8000)
673 return bfd_reloc_overflow;
678 /* Get the howto structure for a generic reloc type. */
680 static reloc_howto_type *
681 mips_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
682 bfd_reloc_code_real_type code)
689 mips_type = MIPS_R_REFHALF;
693 mips_type = MIPS_R_REFWORD;
695 case BFD_RELOC_MIPS_JMP:
696 mips_type = MIPS_R_JMPADDR;
698 case BFD_RELOC_HI16_S:
699 mips_type = MIPS_R_REFHI;
702 mips_type = MIPS_R_REFLO;
704 case BFD_RELOC_GPREL16:
705 mips_type = MIPS_R_GPREL;
707 case BFD_RELOC_MIPS_LITERAL:
708 mips_type = MIPS_R_LITERAL;
710 case BFD_RELOC_16_PCREL_S2:
711 mips_type = MIPS_R_PCREL16;
714 return (reloc_howto_type *) NULL;
717 return &mips_howto_table[mips_type];
720 static reloc_howto_type *
721 mips_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
727 i < sizeof (mips_howto_table) / sizeof (mips_howto_table[0]);
729 if (mips_howto_table[i].name != NULL
730 && strcasecmp (mips_howto_table[i].name, r_name) == 0)
731 return &mips_howto_table[i];
736 /* A helper routine for mips_relocate_section which handles the REFHI
737 relocations. The REFHI relocation must be followed by a REFLO
738 relocation, and the addend used is formed from the addends of both
742 mips_relocate_hi (struct internal_reloc *refhi,
743 struct internal_reloc *reflo,
745 asection *input_section,
756 insn = bfd_get_32 (input_bfd,
757 contents + refhi->r_vaddr - input_section->vma);
761 vallo = (bfd_get_32 (input_bfd,
762 contents + reflo->r_vaddr - input_section->vma)
765 val = ((insn & 0xffff) << 16) + vallo;
768 /* The low order 16 bits are always treated as a signed value.
769 Therefore, a negative value in the low order bits requires an
770 adjustment in the high order bits. We need to make this
771 adjustment in two ways: once for the bits we took from the data,
772 and once for the bits we are putting back in to the data. */
773 if ((vallo & 0x8000) != 0)
776 if ((val & 0x8000) != 0)
779 insn = (insn &~ (unsigned) 0xffff) | ((val >> 16) & 0xffff);
780 bfd_put_32 (input_bfd, (bfd_vma) insn,
781 contents + refhi->r_vaddr - input_section->vma);
784 /* Relocate a section while linking a MIPS ECOFF file. */
787 mips_relocate_section (bfd *output_bfd,
788 struct bfd_link_info *info,
790 asection *input_section,
792 void * external_relocs)
794 asection **symndx_to_section;
795 struct ecoff_link_hash_entry **sym_hashes;
797 bfd_boolean gp_undefined;
798 struct external_reloc *ext_rel;
799 struct external_reloc *ext_rel_end;
802 struct internal_reloc lo_int_rel;
805 BFD_ASSERT (input_bfd->xvec->byteorder
806 == output_bfd->xvec->byteorder);
808 /* We keep a table mapping the symndx found in an internal reloc to
809 the appropriate section. This is faster than looking up the
810 section by name each time. */
811 symndx_to_section = ecoff_data (input_bfd)->symndx_to_section;
812 if (symndx_to_section == (asection **) NULL)
814 amt = NUM_RELOC_SECTIONS * sizeof (asection *);
815 symndx_to_section = (asection **) bfd_alloc (input_bfd, amt);
816 if (!symndx_to_section)
819 symndx_to_section[RELOC_SECTION_NONE] = NULL;
820 symndx_to_section[RELOC_SECTION_TEXT] =
821 bfd_get_section_by_name (input_bfd, ".text");
822 symndx_to_section[RELOC_SECTION_RDATA] =
823 bfd_get_section_by_name (input_bfd, ".rdata");
824 symndx_to_section[RELOC_SECTION_DATA] =
825 bfd_get_section_by_name (input_bfd, ".data");
826 symndx_to_section[RELOC_SECTION_SDATA] =
827 bfd_get_section_by_name (input_bfd, ".sdata");
828 symndx_to_section[RELOC_SECTION_SBSS] =
829 bfd_get_section_by_name (input_bfd, ".sbss");
830 symndx_to_section[RELOC_SECTION_BSS] =
831 bfd_get_section_by_name (input_bfd, ".bss");
832 symndx_to_section[RELOC_SECTION_INIT] =
833 bfd_get_section_by_name (input_bfd, ".init");
834 symndx_to_section[RELOC_SECTION_LIT8] =
835 bfd_get_section_by_name (input_bfd, ".lit8");
836 symndx_to_section[RELOC_SECTION_LIT4] =
837 bfd_get_section_by_name (input_bfd, ".lit4");
838 symndx_to_section[RELOC_SECTION_XDATA] = NULL;
839 symndx_to_section[RELOC_SECTION_PDATA] = NULL;
840 symndx_to_section[RELOC_SECTION_FINI] =
841 bfd_get_section_by_name (input_bfd, ".fini");
842 symndx_to_section[RELOC_SECTION_LITA] = NULL;
843 symndx_to_section[RELOC_SECTION_ABS] = NULL;
845 ecoff_data (input_bfd)->symndx_to_section = symndx_to_section;
848 sym_hashes = ecoff_data (input_bfd)->sym_hashes;
850 gp = _bfd_get_gp_value (output_bfd);
854 gp_undefined = FALSE;
858 ext_rel = (struct external_reloc *) external_relocs;
859 ext_rel_end = ext_rel + input_section->reloc_count;
860 for (i = 0; ext_rel < ext_rel_end; ext_rel++, i++)
862 struct internal_reloc int_rel;
863 bfd_boolean use_lo = FALSE;
865 reloc_howto_type *howto;
866 struct ecoff_link_hash_entry *h = NULL;
869 bfd_reloc_status_type r;
872 mips_ecoff_swap_reloc_in (input_bfd, ext_rel, &int_rel);
875 int_rel = lo_int_rel;
879 BFD_ASSERT (int_rel.r_type
880 < sizeof mips_howto_table / sizeof mips_howto_table[0]);
882 /* The REFHI reloc requires special handling. It must be followed
883 by a REFLO reloc, and the addend is formed from both relocs. */
884 if (int_rel.r_type == MIPS_R_REFHI)
886 struct external_reloc *lo_ext_rel;
888 /* As a GNU extension, permit an arbitrary number of REFHI
889 relocs before the REFLO reloc. This permits gcc to emit
890 the HI and LO relocs itself. */
891 for (lo_ext_rel = ext_rel + 1;
892 lo_ext_rel < ext_rel_end;
895 mips_ecoff_swap_reloc_in (input_bfd, lo_ext_rel,
897 if (lo_int_rel.r_type != int_rel.r_type)
901 if (lo_ext_rel < ext_rel_end
902 && lo_int_rel.r_type == MIPS_R_REFLO
903 && int_rel.r_extern == lo_int_rel.r_extern
904 && int_rel.r_symndx == lo_int_rel.r_symndx)
907 if (lo_ext_rel == ext_rel + 1)
912 howto = &mips_howto_table[int_rel.r_type];
914 if (int_rel.r_extern)
916 h = sym_hashes[int_rel.r_symndx];
917 /* If h is NULL, that means that there is a reloc against an
918 external symbol which we thought was just a debugging
919 symbol. This should not happen. */
920 if (h == (struct ecoff_link_hash_entry *) NULL)
925 if (int_rel.r_symndx < 0 || int_rel.r_symndx >= NUM_RELOC_SECTIONS)
928 s = symndx_to_section[int_rel.r_symndx];
930 if (s == (asection *) NULL)
934 /* The GPREL reloc uses an addend: the difference in the GP
936 if (int_rel.r_type != MIPS_R_GPREL
937 && int_rel.r_type != MIPS_R_LITERAL)
943 if (! ((*info->callbacks->reloc_dangerous)
944 (info, _("GP relative relocation used when GP not defined"),
945 input_bfd, input_section,
946 int_rel.r_vaddr - input_section->vma)))
948 /* Only give the error once per link. */
950 _bfd_set_gp_value (output_bfd, gp);
951 gp_undefined = FALSE;
953 if (! int_rel.r_extern)
955 /* This is a relocation against a section. The current
956 addend in the instruction is the difference between
957 INPUT_SECTION->vma and the GP value of INPUT_BFD. We
958 must change this to be the difference between the
959 final definition (which will end up in RELOCATION)
960 and the GP value of OUTPUT_BFD (which is in GP). */
961 addend = ecoff_data (input_bfd)->gp - gp;
963 else if (! bfd_link_relocatable (info)
964 || h->root.type == bfd_link_hash_defined
965 || h->root.type == bfd_link_hash_defweak)
967 /* This is a relocation against a defined symbol. The
968 current addend in the instruction is simply the
969 desired offset into the symbol (normally zero). We
970 are going to change this into a relocation against a
971 defined symbol, so we want the instruction to hold
972 the difference between the final definition of the
973 symbol (which will end up in RELOCATION) and the GP
974 value of OUTPUT_BFD (which is in GP). */
979 /* This is a relocation against an undefined or common
980 symbol. The current addend in the instruction is
981 simply the desired offset into the symbol (normally
982 zero). We are generating relocatable output, and we
983 aren't going to define this symbol, so we just leave
984 the instruction alone. */
989 if (bfd_link_relocatable (info))
991 /* We are generating relocatable output, and must convert
992 the existing reloc. */
993 if (int_rel.r_extern)
995 if ((h->root.type == bfd_link_hash_defined
996 || h->root.type == bfd_link_hash_defweak)
997 && ! bfd_is_abs_section (h->root.u.def.section))
1001 /* This symbol is defined in the output. Convert
1002 the reloc from being against the symbol to being
1003 against the section. */
1005 /* Clear the r_extern bit. */
1006 int_rel.r_extern = 0;
1008 /* Compute a new r_symndx value. */
1009 s = h->root.u.def.section;
1010 name = bfd_get_section_name (output_bfd,
1013 int_rel.r_symndx = -1;
1017 if (strcmp (name, ".bss") == 0)
1018 int_rel.r_symndx = RELOC_SECTION_BSS;
1021 if (strcmp (name, ".data") == 0)
1022 int_rel.r_symndx = RELOC_SECTION_DATA;
1025 if (strcmp (name, ".fini") == 0)
1026 int_rel.r_symndx = RELOC_SECTION_FINI;
1029 if (strcmp (name, ".init") == 0)
1030 int_rel.r_symndx = RELOC_SECTION_INIT;
1033 if (strcmp (name, ".lit8") == 0)
1034 int_rel.r_symndx = RELOC_SECTION_LIT8;
1035 else if (strcmp (name, ".lit4") == 0)
1036 int_rel.r_symndx = RELOC_SECTION_LIT4;
1039 if (strcmp (name, ".rdata") == 0)
1040 int_rel.r_symndx = RELOC_SECTION_RDATA;
1043 if (strcmp (name, ".sdata") == 0)
1044 int_rel.r_symndx = RELOC_SECTION_SDATA;
1045 else if (strcmp (name, ".sbss") == 0)
1046 int_rel.r_symndx = RELOC_SECTION_SBSS;
1049 if (strcmp (name, ".text") == 0)
1050 int_rel.r_symndx = RELOC_SECTION_TEXT;
1054 if (int_rel.r_symndx == -1)
1057 /* Add the section VMA and the symbol value. */
1058 relocation = (h->root.u.def.value
1059 + s->output_section->vma
1060 + s->output_offset);
1062 /* For a PC relative relocation, the object file
1063 currently holds just the addend. We must adjust
1064 by the address to get the right value. */
1065 if (howto->pc_relative)
1066 relocation -= int_rel.r_vaddr - input_section->vma;
1072 /* Change the symndx value to the right one for the
1074 int_rel.r_symndx = h->indx;
1075 if (int_rel.r_symndx == -1)
1077 /* This symbol is not being written out. */
1078 if (! ((*info->callbacks->unattached_reloc)
1079 (info, h->root.root.string, input_bfd,
1081 int_rel.r_vaddr - input_section->vma)))
1083 int_rel.r_symndx = 0;
1090 /* This is a relocation against a section. Adjust the
1091 value by the amount the section moved. */
1092 relocation = (s->output_section->vma
1097 relocation += addend;
1100 /* Adjust a PC relative relocation by removing the reference
1101 to the original address in the section and including the
1102 reference to the new address. */
1103 if (howto->pc_relative)
1104 relocation -= (input_section->output_section->vma
1105 + input_section->output_offset
1106 - input_section->vma);
1108 /* Adjust the contents. */
1109 if (relocation == 0)
1113 if (int_rel.r_type != MIPS_R_REFHI)
1114 r = _bfd_relocate_contents (howto, input_bfd, relocation,
1117 - input_section->vma));
1120 mips_relocate_hi (&int_rel,
1121 use_lo ? &lo_int_rel : NULL,
1122 input_bfd, input_section, contents,
1128 /* Adjust the reloc address. */
1129 int_rel.r_vaddr += (input_section->output_section->vma
1130 + input_section->output_offset
1131 - input_section->vma);
1133 /* Save the changed reloc information. */
1134 mips_ecoff_swap_reloc_out (input_bfd, &int_rel, ext_rel);
1138 /* We are producing a final executable. */
1139 if (int_rel.r_extern)
1141 /* This is a reloc against a symbol. */
1142 if (h->root.type == bfd_link_hash_defined
1143 || h->root.type == bfd_link_hash_defweak)
1147 hsec = h->root.u.def.section;
1148 relocation = (h->root.u.def.value
1149 + hsec->output_section->vma
1150 + hsec->output_offset);
1154 if (! ((*info->callbacks->undefined_symbol)
1155 (info, h->root.root.string, input_bfd,
1157 int_rel.r_vaddr - input_section->vma, TRUE)))
1164 /* This is a reloc against a section. */
1165 relocation = (s->output_section->vma
1169 /* A PC relative reloc is already correct in the object
1170 file. Make it look like a pcrel_offset relocation by
1171 adding in the start address. */
1172 if (howto->pc_relative)
1173 relocation += int_rel.r_vaddr;
1176 if (int_rel.r_type != MIPS_R_REFHI)
1177 r = _bfd_final_link_relocate (howto,
1182 - input_section->vma),
1187 mips_relocate_hi (&int_rel,
1188 use_lo ? &lo_int_rel : NULL,
1189 input_bfd, input_section, contents,
1195 /* MIPS_R_JMPADDR requires peculiar overflow detection. The
1196 instruction provides a 28 bit address (the two lower bits are
1197 implicit zeroes) which is combined with the upper four bits
1198 of the instruction address. */
1199 if (r == bfd_reloc_ok
1200 && int_rel.r_type == MIPS_R_JMPADDR
1203 + (int_rel.r_extern ? 0 : s->vma))
1205 != ((input_section->output_section->vma
1206 + input_section->output_offset
1207 + (int_rel.r_vaddr - input_section->vma))
1209 r = bfd_reloc_overflow;
1211 if (r != bfd_reloc_ok)
1216 case bfd_reloc_outofrange:
1218 case bfd_reloc_overflow:
1222 if (int_rel.r_extern)
1225 name = bfd_section_name (input_bfd, s);
1226 if (! ((*info->callbacks->reloc_overflow)
1227 (info, (h ? &h->root : NULL), name, howto->name,
1228 (bfd_vma) 0, input_bfd, input_section,
1229 int_rel.r_vaddr - input_section->vma)))
1240 /* This is the ECOFF backend structure. The backend field of the
1241 target vector points to this. */
1243 static const struct ecoff_backend_data mips_ecoff_backend_data =
1245 /* COFF backend structure. */
1247 (void (*) (bfd *,void *,int,int,int,int,void *)) bfd_void, /* aux_in */
1248 (void (*) (bfd *,void *,void *)) bfd_void, /* sym_in */
1249 (void (*) (bfd *,void *,void *)) bfd_void, /* lineno_in */
1250 (unsigned (*) (bfd *,void *,int,int,int,int,void *)) bfd_void,/*aux_out*/
1251 (unsigned (*) (bfd *,void *,void *)) bfd_void, /* sym_out */
1252 (unsigned (*) (bfd *,void *,void *)) bfd_void, /* lineno_out */
1253 (unsigned (*) (bfd *,void *,void *)) bfd_void, /* reloc_out */
1254 mips_ecoff_swap_filehdr_out, mips_ecoff_swap_aouthdr_out,
1255 mips_ecoff_swap_scnhdr_out,
1256 FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE,
1257 ECOFF_NO_LONG_SECTION_NAMES, 4, FALSE, 2, 32768,
1258 mips_ecoff_swap_filehdr_in, mips_ecoff_swap_aouthdr_in,
1259 mips_ecoff_swap_scnhdr_in, NULL,
1260 mips_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook,
1261 _bfd_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags,
1262 _bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table,
1263 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1266 /* Supported architecture. */
1268 /* Initial portion of armap string. */
1270 /* The page boundary used to align sections in a demand-paged
1271 executable file. E.g., 0x1000. */
1273 /* TRUE if the .rdata section is part of the text segment, as on the
1274 Alpha. FALSE if .rdata is part of the data segment, as on the
1277 /* Bitsize of constructor entries. */
1279 /* Reloc to use for constructor entries. */
1280 &mips_howto_table[MIPS_R_REFWORD],
1282 /* Symbol table magic number. */
1284 /* Alignment of debugging information. E.g., 4. */
1286 /* Sizes of external symbolic information. */
1287 sizeof (struct hdr_ext),
1288 sizeof (struct dnr_ext),
1289 sizeof (struct pdr_ext),
1290 sizeof (struct sym_ext),
1291 sizeof (struct opt_ext),
1292 sizeof (struct fdr_ext),
1293 sizeof (struct rfd_ext),
1294 sizeof (struct ext_ext),
1295 /* Functions to swap in external symbolic data. */
1304 _bfd_ecoff_swap_tir_in,
1305 _bfd_ecoff_swap_rndx_in,
1306 /* Functions to swap out external symbolic data. */
1315 _bfd_ecoff_swap_tir_out,
1316 _bfd_ecoff_swap_rndx_out,
1317 /* Function to read in symbolic data. */
1318 _bfd_ecoff_slurp_symbolic_info
1320 /* External reloc size. */
1322 /* Reloc swapping functions. */
1323 mips_ecoff_swap_reloc_in,
1324 mips_ecoff_swap_reloc_out,
1325 /* Backend reloc tweaking. */
1326 mips_adjust_reloc_in,
1327 mips_adjust_reloc_out,
1328 /* Relocate section contents while linking. */
1329 mips_relocate_section,
1330 /* Do final adjustments to filehdr and aouthdr. */
1332 /* Read an element from an archive at a given file position. */
1333 _bfd_get_elt_at_filepos
1336 /* Looking up a reloc type is MIPS specific. */
1337 #define _bfd_ecoff_bfd_reloc_type_lookup mips_bfd_reloc_type_lookup
1338 #define _bfd_ecoff_bfd_reloc_name_lookup mips_bfd_reloc_name_lookup
1340 /* Getting relocated section contents is generic. */
1341 #define _bfd_ecoff_bfd_get_relocated_section_contents \
1342 bfd_generic_get_relocated_section_contents
1344 /* Handling file windows is generic. */
1345 #define _bfd_ecoff_get_section_contents_in_window \
1346 _bfd_generic_get_section_contents_in_window
1348 /* Relaxing sections is MIPS specific. */
1349 #define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section
1351 /* GC of sections is not done. */
1352 #define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections
1354 /* Input section flags is not implemented. */
1355 #define _bfd_ecoff_bfd_lookup_section_flags bfd_generic_lookup_section_flags
1357 /* Merging of sections is not done. */
1358 #define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections
1360 #define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section
1361 #define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group
1362 #define _bfd_ecoff_section_already_linked \
1363 _bfd_coff_section_already_linked
1364 #define _bfd_ecoff_bfd_define_common_symbol bfd_generic_define_common_symbol
1366 extern const bfd_target mips_ecoff_be_vec;
1368 const bfd_target mips_ecoff_le_vec =
1370 "ecoff-littlemips", /* name */
1371 bfd_target_ecoff_flavour,
1372 BFD_ENDIAN_LITTLE, /* data byte order is little */
1373 BFD_ENDIAN_LITTLE, /* header byte order is little */
1375 (HAS_RELOC | EXEC_P | /* object flags */
1376 HAS_LINENO | HAS_DEBUG |
1377 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1379 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
1380 0, /* leading underscore */
1381 ' ', /* ar_pad_char */
1382 15, /* ar_max_namelen */
1383 0, /* match priority. */
1384 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1385 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1386 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
1387 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1388 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1389 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
1391 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
1392 bfd_generic_archive_p, _bfd_dummy_target},
1393 {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */
1394 _bfd_generic_mkarchive, bfd_false},
1395 {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */
1396 _bfd_write_archive_contents, bfd_false},
1398 BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
1399 BFD_JUMP_TABLE_COPY (_bfd_ecoff),
1400 BFD_JUMP_TABLE_CORE (_bfd_nocore),
1401 BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
1402 BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
1403 BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
1404 BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
1405 BFD_JUMP_TABLE_LINK (_bfd_ecoff),
1406 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
1408 & mips_ecoff_be_vec,
1410 & mips_ecoff_backend_data
1413 const bfd_target mips_ecoff_be_vec =
1415 "ecoff-bigmips", /* name */
1416 bfd_target_ecoff_flavour,
1417 BFD_ENDIAN_BIG, /* data byte order is big */
1418 BFD_ENDIAN_BIG, /* header byte order is big */
1420 (HAS_RELOC | EXEC_P | /* object flags */
1421 HAS_LINENO | HAS_DEBUG |
1422 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1424 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
1425 0, /* leading underscore */
1426 ' ', /* ar_pad_char */
1427 15, /* ar_max_namelen */
1428 0, /* match priority. */
1429 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1430 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1431 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
1432 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1433 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1434 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
1435 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
1436 bfd_generic_archive_p, _bfd_dummy_target},
1437 {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */
1438 _bfd_generic_mkarchive, bfd_false},
1439 {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */
1440 _bfd_write_archive_contents, bfd_false},
1442 BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
1443 BFD_JUMP_TABLE_COPY (_bfd_ecoff),
1444 BFD_JUMP_TABLE_CORE (_bfd_nocore),
1445 BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
1446 BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
1447 BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
1448 BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
1449 BFD_JUMP_TABLE_LINK (_bfd_ecoff),
1450 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
1452 & mips_ecoff_le_vec,
1454 & mips_ecoff_backend_data
1457 const bfd_target mips_ecoff_bele_vec =
1459 "ecoff-biglittlemips", /* name */
1460 bfd_target_ecoff_flavour,
1461 BFD_ENDIAN_LITTLE, /* data byte order is little */
1462 BFD_ENDIAN_BIG, /* header byte order is big */
1464 (HAS_RELOC | EXEC_P | /* object flags */
1465 HAS_LINENO | HAS_DEBUG |
1466 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1468 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
1469 0, /* leading underscore */
1470 ' ', /* ar_pad_char */
1471 15, /* ar_max_namelen */
1472 0, /* match priority. */
1473 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1474 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1475 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
1476 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1477 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1478 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
1480 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
1481 bfd_generic_archive_p, _bfd_dummy_target},
1482 {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */
1483 _bfd_generic_mkarchive, bfd_false},
1484 {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */
1485 _bfd_write_archive_contents, bfd_false},
1487 BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
1488 BFD_JUMP_TABLE_COPY (_bfd_ecoff),
1489 BFD_JUMP_TABLE_CORE (_bfd_nocore),
1490 BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
1491 BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
1492 BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
1493 BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
1494 BFD_JUMP_TABLE_LINK (_bfd_ecoff),
1495 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
1499 & mips_ecoff_backend_data