1 /* M32R-specific support for 32-bit ELF.
2 Copyright (C) 1996-2017 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
27 #define NOP_INSN 0x7000
28 #define MAKE_PARALLEL(insn) ((insn) | 0x8000)
30 /* Use REL instead of RELA to save space.
31 This only saves space in libraries and object files, but perhaps
32 relocs will be put in ROM? All in all though, REL relocs are a pain
39 /* Use RELA. But use REL to link old objects for backwords compatibility. */
41 /* Functions for the M32R ELF linker. */
43 /* The name of the dynamic interpreter. This is put in the .interp
46 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
48 /* The nop opcode we use. */
50 #define M32R_NOP 0x7000f000
52 #define PLT_EMPTY 0x10101010 /* RIE -> RIE */
54 /* The size in bytes of an entry in the procedure linkage table. */
56 #define PLT_ENTRY_SIZE 20
57 #define PLT_HEADER_SIZE 20
59 /* The first one entries in a procedure linkage table are reserved,
60 and the initial contents are unimportant (we zero them out).
61 Subsequent entries look like this. */
63 #define PLT0_ENTRY_WORD0 0xd6c00000 /* seth r6, #high(.got+4) */
64 #define PLT0_ENTRY_WORD1 0x86e60000 /* or3 r6, r6, #low(.got)+4) */
65 #define PLT0_ENTRY_WORD2 0x24e626c6 /* ld r4, @r6+ -> ld r6, @r6 */
66 #define PLT0_ENTRY_WORD3 0x1fc6f000 /* jmp r6 || pnop */
67 #define PLT0_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
69 #define PLT0_PIC_ENTRY_WORD0 0xa4cc0004 /* ld r4, @(4,r12) */
70 #define PLT0_PIC_ENTRY_WORD1 0xa6cc0008 /* ld r6, @(8,r12) */
71 #define PLT0_PIC_ENTRY_WORD2 0x1fc6f000 /* jmp r6 || nop */
72 #define PLT0_PIC_ENTRY_WORD3 PLT_EMPTY /* RIE -> RIE */
73 #define PLT0_PIC_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
75 #define PLT_ENTRY_WORD0 0xe6000000 /* ld24 r6, .name_in_GOT */
76 #define PLT_ENTRY_WORD1 0x06acf000 /* add r6, r12 || nop */
77 #define PLT_ENTRY_WORD0b 0xd6c00000 /* seth r6, #high(.name_in_GOT) */
78 #define PLT_ENTRY_WORD1b 0x86e60000 /* or3 r6, r6, #low(.name_in_GOT) */
79 #define PLT_ENTRY_WORD2 0x26c61fc6 /* ld r6, @r6 -> jmp r6 */
80 #define PLT_ENTRY_WORD3 0xe5000000 /* ld24 r5, $offset */
81 #define PLT_ENTRY_WORD4 0xff000000 /* bra .plt0. */
84 /* Utility to actually perform an R_M32R_10_PCREL reloc. */
86 static bfd_reloc_status_type
87 m32r_elf_do_10_pcrel_reloc (bfd *abfd,
88 reloc_howto_type *howto,
89 asection *input_section,
92 asection *symbol_section ATTRIBUTE_UNUSED,
96 bfd_signed_vma relocation;
98 bfd_reloc_status_type status;
100 /* Sanity check the address (offset in section). */
101 if (offset > bfd_get_section_limit (abfd, input_section))
102 return bfd_reloc_outofrange;
104 relocation = symbol_value + addend;
105 /* Make it pc relative. */
106 relocation -= (input_section->output_section->vma
107 + input_section->output_offset);
108 /* These jumps mask off the lower two bits of the current address
109 before doing pcrel calculations. */
110 relocation -= (offset & -(bfd_vma) 4);
112 if (relocation < -0x200 || relocation > 0x1ff)
113 status = bfd_reloc_overflow;
115 status = bfd_reloc_ok;
117 x = bfd_get_16 (abfd, data + offset);
118 relocation >>= howto->rightshift;
119 relocation <<= howto->bitpos;
120 x = (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask);
121 bfd_put_16 (abfd, (bfd_vma) x, data + offset);
126 /* Handle the R_M32R_10_PCREL reloc. */
128 static bfd_reloc_status_type
129 m32r_elf_10_pcrel_reloc (bfd * abfd,
130 arelent * reloc_entry,
133 asection * input_section,
135 char ** error_message ATTRIBUTE_UNUSED)
137 /* This part is from bfd_elf_generic_reloc. */
138 if (output_bfd != NULL
139 && (symbol->flags & BSF_SECTION_SYM) == 0
140 && (! reloc_entry->howto->partial_inplace
141 || reloc_entry->addend == 0))
143 reloc_entry->address += input_section->output_offset;
147 if (output_bfd != NULL)
148 /* FIXME: See bfd_perform_relocation. Is this right? */
149 return bfd_reloc_continue;
151 return m32r_elf_do_10_pcrel_reloc (abfd, reloc_entry->howto,
153 data, reloc_entry->address,
156 + symbol->section->output_section->vma
157 + symbol->section->output_offset),
158 reloc_entry->addend);
161 /* Do generic partial_inplace relocation.
162 This is a local replacement for bfd_elf_generic_reloc. */
164 static bfd_reloc_status_type
165 m32r_elf_generic_reloc (bfd *input_bfd,
166 arelent *reloc_entry,
169 asection *input_section,
171 char **error_message ATTRIBUTE_UNUSED)
173 bfd_reloc_status_type ret;
175 bfd_byte *inplace_address;
177 /* This part is from bfd_elf_generic_reloc.
178 If we're relocating, and this an external symbol, we don't want
179 to change anything. */
180 if (output_bfd != NULL
181 && (symbol->flags & BSF_SECTION_SYM) == 0
182 && reloc_entry->addend == 0)
184 reloc_entry->address += input_section->output_offset;
188 /* Now do the reloc in the usual way.
189 ??? It would be nice to call bfd_elf_generic_reloc here,
190 but we have partial_inplace set. bfd_elf_generic_reloc will
191 pass the handling back to bfd_install_relocation which will install
192 a section relative addend which is wrong. */
194 /* Sanity check the address (offset in section). */
195 if (reloc_entry->address > bfd_get_section_limit (input_bfd, input_section))
196 return bfd_reloc_outofrange;
199 if (bfd_is_und_section (symbol->section)
200 && output_bfd == NULL)
201 ret = bfd_reloc_undefined;
203 if (bfd_is_com_section (symbol->section)
204 || output_bfd != NULL)
207 relocation = symbol->value;
209 /* Only do this for a final link. */
210 if (output_bfd == NULL)
212 relocation += symbol->section->output_section->vma;
213 relocation += symbol->section->output_offset;
216 relocation += reloc_entry->addend;
217 inplace_address = (bfd_byte *) data + reloc_entry->address;
220 x = ( (x & ~reloc_entry->howto->dst_mask) | \
221 (((x & reloc_entry->howto->src_mask) + relocation) & \
222 reloc_entry->howto->dst_mask))
224 switch (reloc_entry->howto->size)
228 short x = bfd_get_16 (input_bfd, inplace_address);
230 bfd_put_16 (input_bfd, (bfd_vma) x, inplace_address);
235 unsigned long x = bfd_get_32 (input_bfd, inplace_address);
237 bfd_put_32 (input_bfd, (bfd_vma)x , inplace_address);
244 if (output_bfd != NULL)
245 reloc_entry->address += input_section->output_offset;
250 /* Handle the R_M32R_SDA16 reloc.
251 This reloc is used to compute the address of objects in the small data area
252 and to perform loads and stores from that area.
253 The lower 16 bits are sign extended and added to the register specified
254 in the instruction, which is assumed to point to _SDA_BASE_. */
256 static bfd_reloc_status_type
257 m32r_elf_sda16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
258 arelent *reloc_entry,
260 void * data ATTRIBUTE_UNUSED,
261 asection *input_section,
263 char **error_message ATTRIBUTE_UNUSED)
265 /* This part is from bfd_elf_generic_reloc. */
266 if (output_bfd != NULL
267 && (symbol->flags & BSF_SECTION_SYM) == 0
268 && (! reloc_entry->howto->partial_inplace
269 || reloc_entry->addend == 0))
271 reloc_entry->address += input_section->output_offset;
275 if (output_bfd != NULL)
276 /* FIXME: See bfd_perform_relocation. Is this right? */
277 return bfd_reloc_continue;
279 /* FIXME: not sure what to do here yet. But then again, the linker
280 may never call us. */
285 /* Handle the R_M32R_HI16_[SU]LO relocs.
286 HI16_SLO is for the add3 and load/store with displacement instructions.
287 HI16_ULO is for the or3 instruction.
288 For R_M32R_HI16_SLO, the lower 16 bits are sign extended when added to
289 the high 16 bytes so if the lower 16 bits are negative (bit 15 == 1) then
290 we must add one to the high 16 bytes (which will get subtracted off when
291 the low 16 bits are added).
292 These relocs have to be done in combination with an R_M32R_LO16 reloc
293 because there is a carry from the LO16 to the HI16. Here we just save
294 the information we need; we do the actual relocation when we see the LO16.
295 This code is copied from the elf32-mips.c. We also support an arbitrary
296 number of HI16 relocs to be associated with a single LO16 reloc. The
297 assembler sorts the relocs to ensure each HI16 immediately precedes its
298 LO16. However if there are multiple copies, the assembler may not find
299 the real LO16 so it picks the first one it finds. */
303 struct m32r_hi16 *next;
308 /* FIXME: This should not be a static variable. */
310 static struct m32r_hi16 *m32r_hi16_list;
312 static bfd_reloc_status_type
313 m32r_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
314 arelent *reloc_entry,
317 asection *input_section,
319 char **error_message ATTRIBUTE_UNUSED)
321 bfd_reloc_status_type ret;
325 /* This part is from bfd_elf_generic_reloc.
326 If we're relocating, and this an external symbol, we don't want
327 to change anything. */
328 if (output_bfd != NULL
329 && (symbol->flags & BSF_SECTION_SYM) == 0
330 && reloc_entry->addend == 0)
332 reloc_entry->address += input_section->output_offset;
336 /* Sanity check the address (offset in section). */
337 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
338 return bfd_reloc_outofrange;
341 if (bfd_is_und_section (symbol->section)
342 && output_bfd == NULL)
343 ret = bfd_reloc_undefined;
345 if (bfd_is_com_section (symbol->section))
348 relocation = symbol->value;
350 relocation += symbol->section->output_section->vma;
351 relocation += symbol->section->output_offset;
352 relocation += reloc_entry->addend;
354 /* Save the information, and let LO16 do the actual relocation. */
355 n = bfd_malloc ((bfd_size_type) sizeof *n);
357 return bfd_reloc_outofrange;
358 n->addr = (bfd_byte *) data + reloc_entry->address;
359 n->addend = relocation;
360 n->next = m32r_hi16_list;
363 if (output_bfd != NULL)
364 reloc_entry->address += input_section->output_offset;
369 /* Handle an M32R ELF HI16 reloc. */
372 m32r_elf_relocate_hi16 (bfd *input_bfd,
374 Elf_Internal_Rela *relhi,
375 Elf_Internal_Rela *rello,
382 insn = bfd_get_32 (input_bfd, contents + relhi->r_offset);
384 addlo = bfd_get_32 (input_bfd, contents + rello->r_offset);
385 if (type == R_M32R_HI16_SLO)
386 addlo = ((addlo & 0xffff) ^ 0x8000) - 0x8000;
390 addend += ((insn & 0xffff) << 16) + addlo;
392 /* Reaccount for sign extension of low part. */
393 if (type == R_M32R_HI16_SLO
394 && (addend & 0x8000) != 0)
397 bfd_put_32 (input_bfd,
398 (insn & 0xffff0000) | ((addend >> 16) & 0xffff),
399 contents + relhi->r_offset);
402 /* Do an R_M32R_LO16 relocation. This is a straightforward 16 bit
403 inplace relocation; this function exists in order to do the
404 R_M32R_HI16_[SU]LO relocation described above. */
406 static bfd_reloc_status_type
407 m32r_elf_lo16_reloc (bfd *input_bfd,
408 arelent *reloc_entry,
411 asection *input_section,
413 char **error_message)
415 /* This part is from bfd_elf_generic_reloc.
416 If we're relocating, and this an external symbol, we don't want
417 to change anything. */
418 if (output_bfd != NULL
419 && (symbol->flags & BSF_SECTION_SYM) == 0
420 && reloc_entry->addend == 0)
422 reloc_entry->address += input_section->output_offset;
426 if (m32r_hi16_list != NULL)
436 struct m32r_hi16 *next;
438 /* Do the HI16 relocation. Note that we actually don't need
439 to know anything about the LO16 itself, except where to
440 find the low 16 bits of the addend needed by the LO16. */
441 insn = bfd_get_32 (input_bfd, l->addr);
442 vallo = ((bfd_get_32 (input_bfd, (bfd_byte *) data + reloc_entry->address)
443 & 0xffff) ^ 0x8000) - 0x8000;
444 val = ((insn & 0xffff) << 16) + vallo;
447 /* Reaccount for sign extension of low part. */
448 if ((val & 0x8000) != 0)
451 insn = (insn &~ (bfd_vma) 0xffff) | ((val >> 16) & 0xffff);
452 bfd_put_32 (input_bfd, (bfd_vma) insn, l->addr);
459 m32r_hi16_list = NULL;
462 /* Now do the LO16 reloc in the usual way.
463 ??? It would be nice to call bfd_elf_generic_reloc here,
464 but we have partial_inplace set. bfd_elf_generic_reloc will
465 pass the handling back to bfd_install_relocation which will install
466 a section relative addend which is wrong. */
467 return m32r_elf_generic_reloc (input_bfd, reloc_entry, symbol, data,
468 input_section, output_bfd, error_message);
472 static reloc_howto_type m32r_elf_howto_table[] =
474 /* This reloc does nothing. */
475 HOWTO (R_M32R_NONE, /* type */
477 3, /* size (0 = byte, 1 = short, 2 = long) */
479 FALSE, /* pc_relative */
481 complain_overflow_dont, /* complain_on_overflow */
482 bfd_elf_generic_reloc, /* special_function */
483 "R_M32R_NONE", /* name */
484 FALSE, /* partial_inplace */
487 FALSE), /* pcrel_offset */
489 /* A 16 bit absolute relocation. */
490 HOWTO (R_M32R_16, /* type */
492 1, /* size (0 = byte, 1 = short, 2 = long) */
494 FALSE, /* pc_relative */
496 complain_overflow_bitfield, /* complain_on_overflow */
497 m32r_elf_generic_reloc,/* special_function */
498 "R_M32R_16", /* name */
499 TRUE, /* partial_inplace */
500 0xffff, /* src_mask */
501 0xffff, /* dst_mask */
502 FALSE), /* pcrel_offset */
504 /* A 32 bit absolute relocation. */
505 HOWTO (R_M32R_32, /* type */
507 2, /* size (0 = byte, 1 = short, 2 = long) */
509 FALSE, /* pc_relative */
511 complain_overflow_bitfield, /* complain_on_overflow */
512 m32r_elf_generic_reloc,/* special_function */
513 "R_M32R_32", /* name */
514 TRUE, /* partial_inplace */
515 0xffffffff, /* src_mask */
516 0xffffffff, /* dst_mask */
517 FALSE), /* pcrel_offset */
519 /* A 24 bit address. */
520 HOWTO (R_M32R_24, /* type */
522 2, /* size (0 = byte, 1 = short, 2 = long) */
524 FALSE, /* pc_relative */
526 complain_overflow_unsigned, /* complain_on_overflow */
527 m32r_elf_generic_reloc,/* special_function */
528 "R_M32R_24", /* name */
529 TRUE, /* partial_inplace */
530 0xffffff, /* src_mask */
531 0xffffff, /* dst_mask */
532 FALSE), /* pcrel_offset */
534 /* An PC Relative 10-bit relocation, shifted by 2.
535 This reloc is complicated because relocations are relative to pc & -4.
536 i.e. branches in the right insn slot use the address of the left insn
538 /* ??? It's not clear whether this should have partial_inplace set or not.
539 Branch relaxing in the assembler can store the addend in the insn,
540 and if bfd_install_relocation gets called the addend may get added
542 HOWTO (R_M32R_10_PCREL, /* type */
544 1, /* size (0 = byte, 1 = short, 2 = long) */
546 TRUE, /* pc_relative */
548 complain_overflow_signed, /* complain_on_overflow */
549 m32r_elf_10_pcrel_reloc, /* special_function */
550 "R_M32R_10_PCREL", /* name */
551 FALSE, /* partial_inplace */
554 TRUE), /* pcrel_offset */
556 /* A relative 18 bit relocation, right shifted by 2. */
557 HOWTO (R_M32R_18_PCREL, /* type */
559 2, /* size (0 = byte, 1 = short, 2 = long) */
561 TRUE, /* pc_relative */
563 complain_overflow_signed, /* complain_on_overflow */
564 bfd_elf_generic_reloc, /* special_function */
565 "R_M32R_18_PCREL", /* name */
566 FALSE, /* partial_inplace */
567 0xffff, /* src_mask */
568 0xffff, /* dst_mask */
569 TRUE), /* pcrel_offset */
571 /* A relative 26 bit relocation, right shifted by 2. */
572 /* ??? It's not clear whether this should have partial_inplace set or not.
573 Branch relaxing in the assembler can store the addend in the insn,
574 and if bfd_install_relocation gets called the addend may get added
576 HOWTO (R_M32R_26_PCREL, /* type */
578 2, /* size (0 = byte, 1 = short, 2 = long) */
580 TRUE, /* pc_relative */
582 complain_overflow_signed, /* complain_on_overflow */
583 bfd_elf_generic_reloc, /* special_function */
584 "R_M32R_26_PCREL", /* name */
585 FALSE, /* partial_inplace */
586 0xffffff, /* src_mask */
587 0xffffff, /* dst_mask */
588 TRUE), /* pcrel_offset */
590 /* High 16 bits of address when lower 16 is or'd in. */
591 HOWTO (R_M32R_HI16_ULO, /* type */
593 2, /* size (0 = byte, 1 = short, 2 = long) */
595 FALSE, /* pc_relative */
597 complain_overflow_dont, /* complain_on_overflow */
598 m32r_elf_hi16_reloc, /* special_function */
599 "R_M32R_HI16_ULO", /* name */
600 TRUE, /* partial_inplace */
601 0x0000ffff, /* src_mask */
602 0x0000ffff, /* dst_mask */
603 FALSE), /* pcrel_offset */
605 /* High 16 bits of address when lower 16 is added in. */
606 HOWTO (R_M32R_HI16_SLO, /* type */
608 2, /* size (0 = byte, 1 = short, 2 = long) */
610 FALSE, /* pc_relative */
612 complain_overflow_dont, /* complain_on_overflow */
613 m32r_elf_hi16_reloc, /* special_function */
614 "R_M32R_HI16_SLO", /* name */
615 TRUE, /* partial_inplace */
616 0x0000ffff, /* src_mask */
617 0x0000ffff, /* dst_mask */
618 FALSE), /* pcrel_offset */
620 /* Lower 16 bits of address. */
621 HOWTO (R_M32R_LO16, /* type */
623 2, /* size (0 = byte, 1 = short, 2 = long) */
625 FALSE, /* pc_relative */
627 complain_overflow_dont, /* complain_on_overflow */
628 m32r_elf_lo16_reloc, /* special_function */
629 "R_M32R_LO16", /* name */
630 TRUE, /* partial_inplace */
631 0x0000ffff, /* src_mask */
632 0x0000ffff, /* dst_mask */
633 FALSE), /* pcrel_offset */
635 /* Small data area 16 bits offset. */
636 HOWTO (R_M32R_SDA16, /* type */
638 2, /* size (0 = byte, 1 = short, 2 = long) */
640 FALSE, /* pc_relative */
642 complain_overflow_signed, /* complain_on_overflow */
643 m32r_elf_sda16_reloc, /* special_function */
644 "R_M32R_SDA16", /* name */
645 TRUE, /* partial_inplace */ /* FIXME: correct? */
646 0x0000ffff, /* src_mask */
647 0x0000ffff, /* dst_mask */
648 FALSE), /* pcrel_offset */
650 /* GNU extension to record C++ vtable hierarchy. */
651 HOWTO (R_M32R_GNU_VTINHERIT, /* type */
653 2, /* size (0 = byte, 1 = short, 2 = long) */
655 FALSE, /* pc_relative */
657 complain_overflow_dont, /* complain_on_overflow */
658 NULL, /* special_function */
659 "R_M32R_GNU_VTINHERIT", /* name */
660 FALSE, /* partial_inplace */
663 FALSE), /* pcrel_offset */
665 /* GNU extension to record C++ vtable member usage. */
666 HOWTO (R_M32R_GNU_VTENTRY, /* type */
668 2, /* size (0 = byte, 1 = short, 2 = long) */
670 FALSE, /* pc_relative */
672 complain_overflow_dont, /* complain_on_overflow */
673 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
674 "R_M32R_GNU_VTENTRY", /* name */
675 FALSE, /* partial_inplace */
678 FALSE), /* pcrel_offset */
701 /* A 16 bit absolute relocation. */
702 HOWTO (R_M32R_16_RELA, /* type */
704 1, /* size (0 = byte, 1 = short, 2 = long) */
706 FALSE, /* pc_relative */
708 complain_overflow_bitfield, /* complain_on_overflow */
709 bfd_elf_generic_reloc, /* special_function */
710 "R_M32R_16_RELA", /* name */
711 FALSE, /* partial_inplace */
712 0xffff, /* src_mask */
713 0xffff, /* dst_mask */
714 FALSE), /* pcrel_offset */
716 /* A 32 bit absolute relocation. */
717 HOWTO (R_M32R_32_RELA, /* type */
719 2, /* size (0 = byte, 1 = short, 2 = long) */
721 FALSE, /* pc_relative */
723 complain_overflow_bitfield, /* complain_on_overflow */
724 bfd_elf_generic_reloc,/* special_function */
725 "R_M32R_32_RELA", /* name */
726 FALSE, /* partial_inplace */
727 0xffffffff, /* src_mask */
728 0xffffffff, /* dst_mask */
729 FALSE), /* pcrel_offset */
731 /* A 24 bit address. */
732 HOWTO (R_M32R_24_RELA, /* type */
734 2, /* size (0 = byte, 1 = short, 2 = long) */
736 FALSE, /* pc_relative */
738 complain_overflow_unsigned, /* complain_on_overflow */
739 bfd_elf_generic_reloc,/* special_function */
740 "R_M32R_24_RELA", /* name */
741 FALSE, /* partial_inplace */
742 0xffffff, /* src_mask */
743 0xffffff, /* dst_mask */
744 FALSE), /* pcrel_offset */
746 HOWTO (R_M32R_10_PCREL_RELA, /* type */
748 1, /* size (0 = byte, 1 = short, 2 = long) */
750 TRUE, /* pc_relative */
752 complain_overflow_signed, /* complain_on_overflow */
753 m32r_elf_10_pcrel_reloc, /* special_function */
754 "R_M32R_10_PCREL_RELA",/* name */
755 FALSE, /* partial_inplace */
758 TRUE), /* pcrel_offset */
760 /* A relative 18 bit relocation, right shifted by 2. */
761 HOWTO (R_M32R_18_PCREL_RELA, /* type */
763 2, /* size (0 = byte, 1 = short, 2 = long) */
765 TRUE, /* pc_relative */
767 complain_overflow_signed, /* complain_on_overflow */
768 bfd_elf_generic_reloc, /* special_function */
769 "R_M32R_18_PCREL_RELA",/* name */
770 FALSE, /* partial_inplace */
771 0xffff, /* src_mask */
772 0xffff, /* dst_mask */
773 TRUE), /* pcrel_offset */
775 /* A relative 26 bit relocation, right shifted by 2. */
776 HOWTO (R_M32R_26_PCREL_RELA, /* type */
778 2, /* size (0 = byte, 1 = short, 2 = long) */
780 TRUE, /* pc_relative */
782 complain_overflow_signed, /* complain_on_overflow */
783 bfd_elf_generic_reloc, /* special_function */
784 "R_M32R_26_PCREL_RELA",/* name */
785 FALSE, /* partial_inplace */
786 0xffffff, /* src_mask */
787 0xffffff, /* dst_mask */
788 TRUE), /* pcrel_offset */
790 /* High 16 bits of address when lower 16 is or'd in. */
791 HOWTO (R_M32R_HI16_ULO_RELA, /* type */
793 2, /* size (0 = byte, 1 = short, 2 = long) */
795 FALSE, /* pc_relative */
797 complain_overflow_dont, /* complain_on_overflow */
798 bfd_elf_generic_reloc, /* special_function */
799 "R_M32R_HI16_ULO_RELA",/* name */
800 FALSE, /* partial_inplace */
801 0x0000ffff, /* src_mask */
802 0x0000ffff, /* dst_mask */
803 FALSE), /* pcrel_offset */
805 /* High 16 bits of address when lower 16 is added in. */
806 HOWTO (R_M32R_HI16_SLO_RELA, /* type */
808 2, /* size (0 = byte, 1 = short, 2 = long) */
810 FALSE, /* pc_relative */
812 complain_overflow_dont, /* complain_on_overflow */
813 bfd_elf_generic_reloc, /* special_function */
814 "R_M32R_HI16_SLO_RELA",/* name */
815 FALSE, /* partial_inplace */
816 0x0000ffff, /* src_mask */
817 0x0000ffff, /* dst_mask */
818 FALSE), /* pcrel_offset */
820 /* Lower 16 bits of address. */
821 HOWTO (R_M32R_LO16_RELA, /* type */
823 2, /* size (0 = byte, 1 = short, 2 = long) */
825 FALSE, /* pc_relative */
827 complain_overflow_dont, /* complain_on_overflow */
828 bfd_elf_generic_reloc, /* special_function */
829 "R_M32R_LO16_RELA", /* name */
830 FALSE, /* partial_inplace */
831 0x0000ffff, /* src_mask */
832 0x0000ffff, /* dst_mask */
833 FALSE), /* pcrel_offset */
835 /* Small data area 16 bits offset. */
836 HOWTO (R_M32R_SDA16_RELA, /* type */
838 2, /* size (0 = byte, 1 = short, 2 = long) */
840 FALSE, /* pc_relative */
842 complain_overflow_signed, /* complain_on_overflow */
843 bfd_elf_generic_reloc, /* special_function */
844 "R_M32R_SDA16_RELA", /* name */
845 TRUE, /* partial_inplace */ /* FIXME: correct? */
846 0x0000ffff, /* src_mask */
847 0x0000ffff, /* dst_mask */
848 FALSE), /* pcrel_offset */
850 /* GNU extension to record C++ vtable hierarchy. */
851 HOWTO (R_M32R_RELA_GNU_VTINHERIT, /* type */
853 2, /* size (0 = byte, 1 = short, 2 = long) */
855 FALSE, /* pc_relative */
857 complain_overflow_dont, /* complain_on_overflow */
858 NULL, /* special_function */
859 "R_M32R_RELA_GNU_VTINHERIT", /* name */
860 FALSE, /* partial_inplace */
863 FALSE), /* pcrel_offset */
865 /* GNU extension to record C++ vtable member usage. */
866 HOWTO (R_M32R_RELA_GNU_VTENTRY, /* type */
868 2, /* size (0 = byte, 1 = short, 2 = long) */
870 FALSE, /* pc_relative */
872 complain_overflow_dont, /* complain_on_overflow */
873 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
874 "R_M32R_RELA_GNU_VTENTRY", /* name */
875 FALSE, /* partial_inplace */
878 FALSE), /* pcrel_offset */
880 /* A 32 bit PC relative relocation. */
881 HOWTO (R_M32R_REL32, /* type */
883 2, /* size (0 = byte, 1 = short, 2 = long) */
885 TRUE, /* pc_relative */
887 complain_overflow_bitfield, /* complain_on_overflow */
888 bfd_elf_generic_reloc,/* special_function */
889 "R_M32R_REL32", /* name */
890 FALSE, /* partial_inplace */
891 0xffffffff, /* src_mask */
892 0xffffffff, /* dst_mask */
893 TRUE), /* pcrel_offset */
898 /* Like R_M32R_24, but referring to the GOT table entry for
900 HOWTO (R_M32R_GOT24, /* type */
902 2, /* size (0 = byte, 1 = short, 2 = long) */
904 FALSE, /* pc_relative */
906 complain_overflow_unsigned, /* complain_on_overflow */
907 bfd_elf_generic_reloc, /* special_function */
908 "R_M32R_GOT24", /* name */
909 FALSE, /* partial_inplace */
910 0xffffff, /* src_mask */
911 0xffffff, /* dst_mask */
912 FALSE), /* pcrel_offset */
914 /* Like R_M32R_PCREL, but referring to the procedure linkage table
915 entry for the symbol. */
916 HOWTO (R_M32R_26_PLTREL, /* type */
918 2, /* size (0 = byte, 1 = short, 2 = long) */
920 TRUE, /* pc_relative */
922 complain_overflow_signed, /* complain_on_overflow */
923 bfd_elf_generic_reloc, /* special_function */
924 "R_M32R_26_PLTREL", /* name */
925 FALSE, /* partial_inplace */
926 0xffffff, /* src_mask */
927 0xffffff, /* dst_mask */
928 TRUE), /* pcrel_offset */
930 /* This is used only by the dynamic linker. The symbol should exist
931 both in the object being run and in some shared library. The
932 dynamic linker copies the data addressed by the symbol from the
933 shared library into the object, because the object being
934 run has to have the data at some particular address. */
935 HOWTO (R_M32R_COPY, /* type */
937 2, /* size (0 = byte, 1 = short, 2 = long) */
939 FALSE, /* pc_relative */
941 complain_overflow_bitfield, /* complain_on_overflow */
942 bfd_elf_generic_reloc, /* special_function */
943 "R_M32R_COPY", /* name */
944 FALSE, /* partial_inplace */
945 0xffffffff, /* src_mask */
946 0xffffffff, /* dst_mask */
947 FALSE), /* pcrel_offset */
949 /* Like R_M32R_24, but used when setting global offset table
951 HOWTO (R_M32R_GLOB_DAT, /* type */
953 2, /* size (0 = byte, 1 = short, 2 = long) */
955 FALSE, /* pc_relative */
957 complain_overflow_bitfield, /* complain_on_overflow */
958 bfd_elf_generic_reloc, /* special_function */
959 "R_M32R_GLOB_DAT", /* name */
960 FALSE, /* partial_inplace */
961 0xffffffff, /* src_mask */
962 0xffffffff, /* dst_mask */
963 FALSE), /* pcrel_offset */
965 /* Marks a procedure linkage table entry for a symbol. */
966 HOWTO (R_M32R_JMP_SLOT, /* type */
968 2, /* size (0 = byte, 1 = short, 2 = long) */
970 FALSE, /* pc_relative */
972 complain_overflow_bitfield, /* complain_on_overflow */
973 bfd_elf_generic_reloc, /* special_function */
974 "R_M32R_JMP_SLOT", /* name */
975 FALSE, /* partial_inplace */
976 0xffffffff, /* src_mask */
977 0xffffffff, /* dst_mask */
978 FALSE), /* pcrel_offset */
980 /* Used only by the dynamic linker. When the object is run, this
981 longword is set to the load address of the object, plus the
983 HOWTO (R_M32R_RELATIVE, /* type */
985 2, /* size (0 = byte, 1 = short, 2 = long) */
987 FALSE, /* pc_relative */
989 complain_overflow_bitfield, /* complain_on_overflow */
990 bfd_elf_generic_reloc, /* special_function */
991 "R_M32R_RELATIVE", /* name */
992 FALSE, /* partial_inplace */
993 0xffffffff, /* src_mask */
994 0xffffffff, /* dst_mask */
995 FALSE), /* pcrel_offset */
997 HOWTO (R_M32R_GOTOFF, /* type */
999 2, /* size (0 = byte, 1 = short, 2 = long) */
1001 FALSE, /* pc_relative */
1003 complain_overflow_bitfield, /* complain_on_overflow */
1004 bfd_elf_generic_reloc, /* special_function */
1005 "R_M32R_GOTOFF", /* name */
1006 FALSE, /* partial_inplace */
1007 0xffffff, /* src_mask */
1008 0xffffff, /* dst_mask */
1009 FALSE), /* pcrel_offset */
1011 /* An PC Relative 24-bit relocation used when setting PIC offset
1013 HOWTO (R_M32R_GOTPC24, /* type */
1015 2, /* size (0 = byte, 1 = short, 2 = long) */
1017 TRUE, /* pc_relative */
1019 complain_overflow_unsigned, /* complain_on_overflow */
1020 bfd_elf_generic_reloc, /* special_function */
1021 "R_M32R_GOTPC24", /* name */
1022 FALSE, /* partial_inplace */
1023 0xffffff, /* src_mask */
1024 0xffffff, /* dst_mask */
1025 TRUE), /* pcrel_offset */
1027 /* Like R_M32R_HI16_ULO, but referring to the GOT table entry for
1029 HOWTO (R_M32R_GOT16_HI_ULO, /* type */
1030 16, /* rightshift */
1031 2, /* size (0 = byte, 1 = short, 2 = long) */
1033 FALSE, /* pc_relative */
1035 complain_overflow_dont, /* complain_on_overflow */
1036 bfd_elf_generic_reloc, /* special_function */
1037 "R_M32R_GOT16_HI_ULO", /* name */
1038 FALSE, /* partial_inplace */
1039 0x0000ffff, /* src_mask */
1040 0x0000ffff, /* dst_mask */
1041 FALSE), /* pcrel_offset */
1043 /* Like R_M32R_HI16_SLO, but referring to the GOT table entry for
1045 HOWTO (R_M32R_GOT16_HI_SLO, /* type */
1046 16, /* rightshift */
1047 2, /* size (0 = byte, 1 = short, 2 = long) */
1049 FALSE, /* pc_relative */
1051 complain_overflow_dont, /* complain_on_overflow */
1052 bfd_elf_generic_reloc, /* special_function */
1053 "R_M32R_GOT16_HI_SLO", /* name */
1054 FALSE, /* partial_inplace */
1055 0x0000ffff, /* src_mask */
1056 0x0000ffff, /* dst_mask */
1057 FALSE), /* pcrel_offset */
1059 /* Like R_M32R_LO16, but referring to the GOT table entry for
1061 HOWTO (R_M32R_GOT16_LO, /* type */
1063 2, /* size (0 = byte, 1 = short, 2 = long) */
1065 FALSE, /* pc_relative */
1067 complain_overflow_dont, /* complain_on_overflow */
1068 bfd_elf_generic_reloc, /* special_function */
1069 "R_M32R_GOT16_LO", /* name */
1070 FALSE, /* partial_inplace */
1071 0x0000ffff, /* src_mask */
1072 0x0000ffff, /* dst_mask */
1073 FALSE), /* pcrel_offset */
1075 /* An PC Relative relocation used when setting PIC offset table register.
1076 Like R_M32R_HI16_ULO, but referring to the GOT table entry for
1078 HOWTO (R_M32R_GOTPC_HI_ULO, /* type */
1079 16, /* rightshift */
1080 2, /* size (0 = byte, 1 = short, 2 = long) */
1082 FALSE, /* pc_relative */
1084 complain_overflow_dont, /* complain_on_overflow */
1085 bfd_elf_generic_reloc, /* special_function */
1086 "R_M32R_GOTPC_HI_ULO", /* name */
1087 FALSE, /* partial_inplace */
1088 0x0000ffff, /* src_mask */
1089 0x0000ffff, /* dst_mask */
1090 TRUE), /* pcrel_offset */
1092 /* An PC Relative relocation used when setting PIC offset table register.
1093 Like R_M32R_HI16_SLO, but referring to the GOT table entry for
1095 HOWTO (R_M32R_GOTPC_HI_SLO, /* type */
1096 16, /* rightshift */
1097 2, /* size (0 = byte, 1 = short, 2 = long) */
1099 FALSE, /* pc_relative */
1101 complain_overflow_dont, /* complain_on_overflow */
1102 bfd_elf_generic_reloc, /* special_function */
1103 "R_M32R_GOTPC_HI_SLO", /* name */
1104 FALSE, /* partial_inplace */
1105 0x0000ffff, /* src_mask */
1106 0x0000ffff, /* dst_mask */
1107 TRUE), /* pcrel_offset */
1109 /* An PC Relative relocation used when setting PIC offset table register.
1110 Like R_M32R_LO16, but referring to the GOT table entry for
1112 HOWTO (R_M32R_GOTPC_LO, /* type */
1114 2, /* size (0 = byte, 1 = short, 2 = long) */
1116 FALSE, /* pc_relative */
1118 complain_overflow_dont, /* complain_on_overflow */
1119 bfd_elf_generic_reloc, /* special_function */
1120 "R_M32R_GOTPC_LO", /* name */
1121 FALSE, /* partial_inplace */
1122 0x0000ffff, /* src_mask */
1123 0x0000ffff, /* dst_mask */
1124 TRUE), /* pcrel_offset */
1126 HOWTO (R_M32R_GOTOFF_HI_ULO, /* type */
1127 16, /* rightshift */
1128 2, /* size (0 = byte, 1 = short, 2 = long) */
1130 FALSE, /* pc_relative */
1132 complain_overflow_dont, /* complain_on_overflow */
1133 bfd_elf_generic_reloc, /* special_function */
1134 "R_M32R_GOTOFF_HI_ULO",/* name */
1135 FALSE, /* partial_inplace */
1136 0x0000ffff, /* src_mask */
1137 0x0000ffff, /* dst_mask */
1138 FALSE), /* pcrel_offset */
1140 HOWTO (R_M32R_GOTOFF_HI_SLO, /* type */
1141 16, /* rightshift */
1142 2, /* size (0 = byte, 1 = short, 2 = long) */
1144 FALSE, /* pc_relative */
1146 complain_overflow_dont, /* complain_on_overflow */
1147 bfd_elf_generic_reloc, /* special_function */
1148 "R_M32R_GOTOFF_HI_SLO",/* name */
1149 FALSE, /* partial_inplace */
1150 0x0000ffff, /* src_mask */
1151 0x0000ffff, /* dst_mask */
1152 FALSE), /* pcrel_offset */
1154 HOWTO (R_M32R_GOTOFF_LO, /* type */
1156 2, /* size (0 = byte, 1 = short, 2 = long) */
1158 FALSE, /* pc_relative */
1160 complain_overflow_dont, /* complain_on_overflow */
1161 bfd_elf_generic_reloc, /* special_function */
1162 "R_M32R_GOTOFF_LO", /* name */
1163 FALSE, /* partial_inplace */
1164 0x0000ffff, /* src_mask */
1165 0x0000ffff, /* dst_mask */
1166 FALSE), /* pcrel_offset */
1169 /* Map BFD reloc types to M32R ELF reloc types. */
1171 struct m32r_reloc_map
1173 bfd_reloc_code_real_type bfd_reloc_val;
1174 unsigned char elf_reloc_val;
1177 #ifdef USE_M32R_OLD_RELOC
1178 static const struct m32r_reloc_map m32r_reloc_map_old[] =
1180 { BFD_RELOC_NONE, R_M32R_NONE },
1181 { BFD_RELOC_16, R_M32R_16 },
1182 { BFD_RELOC_32, R_M32R_32 },
1183 { BFD_RELOC_M32R_24, R_M32R_24 },
1184 { BFD_RELOC_M32R_10_PCREL, R_M32R_10_PCREL },
1185 { BFD_RELOC_M32R_18_PCREL, R_M32R_18_PCREL },
1186 { BFD_RELOC_M32R_26_PCREL, R_M32R_26_PCREL },
1187 { BFD_RELOC_M32R_HI16_ULO, R_M32R_HI16_ULO },
1188 { BFD_RELOC_M32R_HI16_SLO, R_M32R_HI16_SLO },
1189 { BFD_RELOC_M32R_LO16, R_M32R_LO16 },
1190 { BFD_RELOC_M32R_SDA16, R_M32R_SDA16 },
1191 { BFD_RELOC_VTABLE_INHERIT, R_M32R_GNU_VTINHERIT },
1192 { BFD_RELOC_VTABLE_ENTRY, R_M32R_GNU_VTENTRY },
1195 static const struct m32r_reloc_map m32r_reloc_map[] =
1197 { BFD_RELOC_NONE, R_M32R_NONE },
1198 { BFD_RELOC_16, R_M32R_16_RELA },
1199 { BFD_RELOC_32, R_M32R_32_RELA },
1200 { BFD_RELOC_M32R_24, R_M32R_24_RELA },
1201 { BFD_RELOC_M32R_10_PCREL, R_M32R_10_PCREL_RELA },
1202 { BFD_RELOC_M32R_18_PCREL, R_M32R_18_PCREL_RELA },
1203 { BFD_RELOC_M32R_26_PCREL, R_M32R_26_PCREL_RELA },
1204 { BFD_RELOC_M32R_HI16_ULO, R_M32R_HI16_ULO_RELA },
1205 { BFD_RELOC_M32R_HI16_SLO, R_M32R_HI16_SLO_RELA },
1206 { BFD_RELOC_M32R_LO16, R_M32R_LO16_RELA },
1207 { BFD_RELOC_M32R_SDA16, R_M32R_SDA16_RELA },
1208 { BFD_RELOC_VTABLE_INHERIT, R_M32R_RELA_GNU_VTINHERIT },
1209 { BFD_RELOC_VTABLE_ENTRY, R_M32R_RELA_GNU_VTENTRY },
1210 { BFD_RELOC_32_PCREL, R_M32R_REL32 },
1212 { BFD_RELOC_M32R_GOT24, R_M32R_GOT24 },
1213 { BFD_RELOC_M32R_26_PLTREL, R_M32R_26_PLTREL },
1214 { BFD_RELOC_M32R_COPY, R_M32R_COPY },
1215 { BFD_RELOC_M32R_GLOB_DAT, R_M32R_GLOB_DAT },
1216 { BFD_RELOC_M32R_JMP_SLOT, R_M32R_JMP_SLOT },
1217 { BFD_RELOC_M32R_RELATIVE, R_M32R_RELATIVE },
1218 { BFD_RELOC_M32R_GOTOFF, R_M32R_GOTOFF },
1219 { BFD_RELOC_M32R_GOTPC24, R_M32R_GOTPC24 },
1220 { BFD_RELOC_M32R_GOT16_HI_ULO, R_M32R_GOT16_HI_ULO },
1221 { BFD_RELOC_M32R_GOT16_HI_SLO, R_M32R_GOT16_HI_SLO },
1222 { BFD_RELOC_M32R_GOT16_LO, R_M32R_GOT16_LO },
1223 { BFD_RELOC_M32R_GOTPC_HI_ULO, R_M32R_GOTPC_HI_ULO },
1224 { BFD_RELOC_M32R_GOTPC_HI_SLO, R_M32R_GOTPC_HI_SLO },
1225 { BFD_RELOC_M32R_GOTPC_LO, R_M32R_GOTPC_LO },
1226 { BFD_RELOC_M32R_GOTOFF_HI_ULO, R_M32R_GOTOFF_HI_ULO },
1227 { BFD_RELOC_M32R_GOTOFF_HI_SLO, R_M32R_GOTOFF_HI_SLO },
1228 { BFD_RELOC_M32R_GOTOFF_LO, R_M32R_GOTOFF_LO },
1232 static reloc_howto_type *
1233 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1234 bfd_reloc_code_real_type code)
1238 #ifdef USE_M32R_OLD_RELOC
1240 i < sizeof (m32r_reloc_map_old) / sizeof (struct m32r_reloc_map);
1242 if (m32r_reloc_map_old[i].bfd_reloc_val == code)
1243 return &m32r_elf_howto_table[m32r_reloc_map_old[i].elf_reloc_val];
1245 #else /* ! USE_M32R_OLD_RELOC */
1248 i < sizeof (m32r_reloc_map) / sizeof (struct m32r_reloc_map);
1250 if (m32r_reloc_map[i].bfd_reloc_val == code)
1251 return &m32r_elf_howto_table[m32r_reloc_map[i].elf_reloc_val];
1257 static reloc_howto_type *
1258 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1264 i < sizeof (m32r_elf_howto_table) / sizeof (m32r_elf_howto_table[0]);
1266 if (m32r_elf_howto_table[i].name != NULL
1267 && strcasecmp (m32r_elf_howto_table[i].name, r_name) == 0)
1268 return &m32r_elf_howto_table[i];
1273 /* Set the howto pointer for an M32R ELF reloc. */
1276 m32r_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
1278 Elf_Internal_Rela *dst)
1280 unsigned int r_type;
1282 r_type = ELF32_R_TYPE (dst->r_info);
1283 if (r_type > (unsigned int) R_M32R_GNU_VTENTRY)
1285 /* xgettext:c-format */
1286 _bfd_error_handler (_("%B: invalid M32R reloc number: %d"), abfd, r_type);
1289 cache_ptr->howto = &m32r_elf_howto_table[r_type];
1293 m32r_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
1295 Elf_Internal_Rela *dst)
1297 BFD_ASSERT ((ELF32_R_TYPE(dst->r_info) == (unsigned int) R_M32R_NONE)
1298 || ((ELF32_R_TYPE(dst->r_info) > (unsigned int) R_M32R_GNU_VTENTRY)
1299 && (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_M32R_max)));
1300 cache_ptr->howto = &m32r_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
1304 /* Given a BFD section, try to locate the corresponding ELF section
1308 _bfd_m32r_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
1312 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
1314 *retval = SHN_M32R_SCOMMON;
1320 /* M32R ELF uses two common sections. One is the usual one, and the other
1321 is for small objects. All the small objects are kept together, and then
1322 referenced via one register, which yields faster assembler code. It is
1323 up to the compiler to emit an instruction to load the register with
1324 _SDA_BASE. This is what we use for the small common section. This
1325 approach is copied from elf32-mips.c. */
1326 static asection m32r_elf_scom_section;
1327 static asymbol m32r_elf_scom_symbol;
1328 static asymbol *m32r_elf_scom_symbol_ptr;
1330 /* Handle the special M32R section numbers that a symbol may use. */
1333 _bfd_m32r_elf_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
1335 elf_symbol_type *elfsym = (elf_symbol_type *) asym;
1337 switch (elfsym->internal_elf_sym.st_shndx)
1339 case SHN_M32R_SCOMMON:
1340 if (m32r_elf_scom_section.name == NULL)
1342 /* Initialize the small common section. */
1343 m32r_elf_scom_section.name = ".scommon";
1344 m32r_elf_scom_section.flags = SEC_IS_COMMON;
1345 m32r_elf_scom_section.output_section = &m32r_elf_scom_section;
1346 m32r_elf_scom_section.symbol = &m32r_elf_scom_symbol;
1347 m32r_elf_scom_section.symbol_ptr_ptr = &m32r_elf_scom_symbol_ptr;
1348 m32r_elf_scom_symbol.name = ".scommon";
1349 m32r_elf_scom_symbol.flags = BSF_SECTION_SYM;
1350 m32r_elf_scom_symbol.section = &m32r_elf_scom_section;
1351 m32r_elf_scom_symbol_ptr = &m32r_elf_scom_symbol;
1353 asym->section = &m32r_elf_scom_section;
1354 asym->value = elfsym->internal_elf_sym.st_size;
1359 /* Hook called by the linker routine which adds symbols from an object
1360 file. We must handle the special M32R section numbers here.
1361 We also keep watching for whether we need to create the sdata special
1365 m32r_elf_add_symbol_hook (bfd *abfd,
1366 struct bfd_link_info *info,
1367 Elf_Internal_Sym *sym,
1369 flagword *flagsp ATTRIBUTE_UNUSED,
1373 if (! bfd_link_relocatable (info)
1374 && (*namep)[0] == '_' && (*namep)[1] == 'S'
1375 && strcmp (*namep, "_SDA_BASE_") == 0
1376 && is_elf_hash_table (info->hash))
1378 /* This is simpler than using _bfd_elf_create_linker_section
1379 (our needs are simpler than ppc's needs). Also
1380 _bfd_elf_create_linker_section currently has a bug where if a .sdata
1381 section already exists a new one is created that follows it which
1382 screws of _SDA_BASE_ address calcs because output_offset != 0. */
1383 struct elf_link_hash_entry *h;
1384 struct bfd_link_hash_entry *bh;
1385 asection *s = bfd_get_section_by_name (abfd, ".sdata");
1387 /* The following code was cobbled from elf32-ppc.c and elflink.c. */
1390 flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
1391 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1393 s = bfd_make_section_anyway_with_flags (abfd, ".sdata",
1397 if (! bfd_set_section_alignment (abfd, s, 2))
1401 bh = bfd_link_hash_lookup (info->hash, "_SDA_BASE_",
1402 FALSE, FALSE, FALSE);
1404 if ((bh == NULL || bh->type == bfd_link_hash_undefined)
1405 && !(_bfd_generic_link_add_one_symbol (info,
1413 get_elf_backend_data (abfd)->collect,
1416 h = (struct elf_link_hash_entry *) bh;
1417 h->type = STT_OBJECT;
1420 switch (sym->st_shndx)
1422 case SHN_M32R_SCOMMON:
1423 *secp = bfd_make_section_old_way (abfd, ".scommon");
1424 (*secp)->flags |= SEC_IS_COMMON;
1425 *valp = sym->st_size;
1432 /* We have to figure out the SDA_BASE value, so that we can adjust the
1433 symbol value correctly. We look up the symbol _SDA_BASE_ in the output
1434 BFD. If we can't find it, we're stuck. We cache it in the ELF
1435 target data. We don't need to adjust the symbol value for an
1436 external symbol if we are producing relocatable output. */
1438 static bfd_reloc_status_type
1439 m32r_elf_final_sda_base (bfd *output_bfd,
1440 struct bfd_link_info *info,
1441 const char **error_message,
1444 if (elf_gp (output_bfd) == 0)
1446 struct bfd_link_hash_entry *h;
1448 h = bfd_link_hash_lookup (info->hash, "_SDA_BASE_", FALSE, FALSE, TRUE);
1449 if (h != NULL && h->type == bfd_link_hash_defined)
1450 elf_gp (output_bfd) = (h->u.def.value
1451 + h->u.def.section->output_section->vma
1452 + h->u.def.section->output_offset);
1455 /* Only get the error once. */
1456 *psb = elf_gp (output_bfd) = 4;
1458 (const char *) _("SDA relocation when _SDA_BASE_ not defined");
1459 return bfd_reloc_dangerous;
1462 *psb = elf_gp (output_bfd);
1463 return bfd_reloc_ok;
1466 /* Return size of a PLT entry. */
1467 #define elf_m32r_sizeof_plt(info) PLT_ENTRY_SIZE
1469 /* The m32r linker needs to keep track of the number of relocs that it
1470 decides to copy in check_relocs for each symbol. This is so that
1471 it can discard PC relative relocs if it doesn't need them when
1472 linking with -Bsymbolic. We store the information in a field
1473 extending the regular ELF linker hash table. */
1475 /* This structure keeps track of the number of PC relative relocs we
1476 have copied for a given symbol. */
1478 struct elf_m32r_pcrel_relocs_copied
1481 struct elf_m32r_pcrel_relocs_copied *next;
1482 /* A section in dynobj. */
1484 /* Number of relocs copied in this section. */
1485 bfd_size_type count;
1488 /* m32r ELF linker hash entry. */
1490 struct elf_m32r_link_hash_entry
1492 struct elf_link_hash_entry root;
1494 /* Track dynamic relocs copied for this symbol. */
1495 struct elf_dyn_relocs *dyn_relocs;
1498 /* m32r ELF linker hash table. */
1500 struct elf_m32r_link_hash_table
1502 struct elf_link_hash_table root;
1504 /* Short-cuts to get to dynamic linker sections. */
1508 /* Small local sym cache. */
1509 struct sym_cache sym_cache;
1512 /* Traverse an m32r ELF linker hash table. */
1514 #define m32r_elf_link_hash_traverse(table, func, info) \
1515 (elf_link_hash_traverse \
1517 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
1520 /* Get the m32r ELF linker hash table from a link_info structure. */
1522 #define m32r_elf_hash_table(p) \
1523 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
1524 == M32R_ELF_DATA ? ((struct elf_m32r_link_hash_table *) ((p)->hash)) : NULL)
1526 /* Create an entry in an m32r ELF linker hash table. */
1528 static struct bfd_hash_entry *
1529 m32r_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
1530 struct bfd_hash_table *table,
1533 struct elf_m32r_link_hash_entry *ret =
1534 (struct elf_m32r_link_hash_entry *) entry;
1536 /* Allocate the structure if it has not already been allocated by a
1539 ret = bfd_hash_allocate (table,
1540 sizeof (struct elf_m32r_link_hash_entry));
1544 /* Call the allocation method of the superclass. */
1545 ret = ((struct elf_m32r_link_hash_entry *)
1546 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
1550 struct elf_m32r_link_hash_entry *eh;
1552 eh = (struct elf_m32r_link_hash_entry *) ret;
1553 eh->dyn_relocs = NULL;
1556 return (struct bfd_hash_entry *) ret;
1559 /* Create an m32r ELF linker hash table. */
1561 static struct bfd_link_hash_table *
1562 m32r_elf_link_hash_table_create (bfd *abfd)
1564 struct elf_m32r_link_hash_table *ret;
1565 bfd_size_type amt = sizeof (struct elf_m32r_link_hash_table);
1567 ret = bfd_zmalloc (amt);
1571 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
1572 m32r_elf_link_hash_newfunc,
1573 sizeof (struct elf_m32r_link_hash_entry),
1580 return &ret->root.root;
1583 /* Create dynamic sections when linking against a dynamic object. */
1586 m32r_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
1588 struct elf_m32r_link_hash_table *htab;
1589 flagword flags, pltflags;
1591 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1592 int ptralign = 2; /* 32bit */
1594 htab = m32r_elf_hash_table (info);
1598 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
1599 .rel[a].bss sections. */
1600 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
1601 | SEC_LINKER_CREATED);
1604 pltflags |= SEC_CODE;
1605 if (bed->plt_not_loaded)
1606 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
1607 if (bed->plt_readonly)
1608 pltflags |= SEC_READONLY;
1610 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
1611 htab->root.splt = s;
1613 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1616 if (bed->want_plt_sym)
1618 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
1620 struct bfd_link_hash_entry *bh = NULL;
1621 struct elf_link_hash_entry *h;
1623 if (! (_bfd_generic_link_add_one_symbol
1624 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
1625 (bfd_vma) 0, NULL, FALSE,
1626 get_elf_backend_data (abfd)->collect, &bh)))
1628 h = (struct elf_link_hash_entry *) bh;
1630 h->type = STT_OBJECT;
1631 htab->root.hplt = h;
1633 if (bfd_link_pic (info)
1634 && ! bfd_elf_link_record_dynamic_symbol (info, h))
1638 s = bfd_make_section_anyway_with_flags (abfd,
1639 bed->default_use_rela_p
1640 ? ".rela.plt" : ".rel.plt",
1641 flags | SEC_READONLY);
1642 htab->root.srelplt = s;
1644 || ! bfd_set_section_alignment (abfd, s, ptralign))
1647 if (htab->root.sgot == NULL
1648 && !_bfd_elf_create_got_section (abfd, info))
1651 if (bed->want_dynbss)
1653 /* The .dynbss section is a place to put symbols which are defined
1654 by dynamic objects, are referenced by regular objects, and are
1655 not functions. We must allocate space for them in the process
1656 image and use a R_*_COPY reloc to tell the dynamic linker to
1657 initialize them at run time. The linker script puts the .dynbss
1658 section into the .bss section of the final image. */
1659 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
1660 SEC_ALLOC | SEC_LINKER_CREATED);
1664 /* The .rel[a].bss section holds copy relocs. This section is not
1665 normally needed. We need to create it here, though, so that the
1666 linker will map it to an output section. We can't just create it
1667 only if we need it, because we will not know whether we need it
1668 until we have seen all the input files, and the first time the
1669 main linker code calls BFD after examining all the input files
1670 (size_dynamic_sections) the input sections have already been
1671 mapped to the output sections. If the section turns out not to
1672 be needed, we can discard it later. We will never need this
1673 section when generating a shared object, since they do not use
1675 if (! bfd_link_pic (info))
1677 s = bfd_make_section_anyway_with_flags (abfd,
1678 (bed->default_use_rela_p
1679 ? ".rela.bss" : ".rel.bss"),
1680 flags | SEC_READONLY);
1683 || ! bfd_set_section_alignment (abfd, s, ptralign))
1691 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1694 m32r_elf_copy_indirect_symbol (struct bfd_link_info *info,
1695 struct elf_link_hash_entry *dir,
1696 struct elf_link_hash_entry *ind)
1698 struct elf_m32r_link_hash_entry * edir;
1699 struct elf_m32r_link_hash_entry * eind;
1701 edir = (struct elf_m32r_link_hash_entry *) dir;
1702 eind = (struct elf_m32r_link_hash_entry *) ind;
1704 if (eind->dyn_relocs != NULL)
1706 if (edir->dyn_relocs != NULL)
1708 struct elf_dyn_relocs **pp;
1709 struct elf_dyn_relocs *p;
1711 /* Add reloc counts against the indirect sym to the direct sym
1712 list. Merge any entries against the same section. */
1713 for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
1715 struct elf_dyn_relocs *q;
1717 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1718 if (q->sec == p->sec)
1720 q->pc_count += p->pc_count;
1721 q->count += p->count;
1728 *pp = edir->dyn_relocs;
1731 edir->dyn_relocs = eind->dyn_relocs;
1732 eind->dyn_relocs = NULL;
1735 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1739 /* Find dynamic relocs for H that apply to read-only sections. */
1742 readonly_dynrelocs (struct elf_link_hash_entry *h)
1744 struct elf_dyn_relocs *p;
1745 struct elf_m32r_link_hash_entry *eh = (struct elf_m32r_link_hash_entry *) h;
1747 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1749 asection *s = p->sec->output_section;
1751 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1757 /* Adjust a symbol defined by a dynamic object and referenced by a
1758 regular object. The current definition is in some section of the
1759 dynamic object, but we're not including those sections. We have to
1760 change the definition to something the rest of the link can
1764 m32r_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1765 struct elf_link_hash_entry *h)
1767 struct elf_m32r_link_hash_table *htab;
1772 printf ("m32r_elf_adjust_dynamic_symbol()\n");
1775 dynobj = elf_hash_table (info)->dynobj;
1777 /* Make sure we know what is going on here. */
1778 BFD_ASSERT (dynobj != NULL
1783 && !h->def_regular)));
1785 /* If this is a function, put it in the procedure linkage table. We
1786 will fill in the contents of the procedure linkage table later,
1787 when we know the address of the .got section. */
1788 if (h->type == STT_FUNC
1791 if (! bfd_link_pic (info)
1794 && h->root.type != bfd_link_hash_undefweak
1795 && h->root.type != bfd_link_hash_undefined)
1797 /* This case can occur if we saw a PLT reloc in an input
1798 file, but the symbol was never referred to by a dynamic
1799 object. In such a case, we don't actually need to build
1800 a procedure linkage table, and we can just do a PCREL
1802 h->plt.offset = (bfd_vma) -1;
1809 h->plt.offset = (bfd_vma) -1;
1811 /* If this is a weak symbol, and there is a real definition, the
1812 processor independent code will have arranged for us to see the
1813 real definition first, and we can just use the same value. */
1814 if (h->is_weakalias)
1816 struct elf_link_hash_entry *def = weakdef (h);
1817 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1818 h->root.u.def.section = def->root.u.def.section;
1819 h->root.u.def.value = def->root.u.def.value;
1823 /* This is a reference to a symbol defined by a dynamic object which
1824 is not a function. */
1826 /* If we are creating a shared library, we must presume that the
1827 only references to the symbol are via the global offset table.
1828 For such cases we need not do anything here; the relocations will
1829 be handled correctly by relocate_section. */
1830 if (bfd_link_pic (info))
1833 /* If there are no references to this symbol that do not use the
1834 GOT, we don't need to generate a copy reloc. */
1835 if (!h->non_got_ref)
1838 /* If -z nocopyreloc was given, we won't generate them either. */
1839 if (0 && info->nocopyreloc)
1845 /* If we don't find any dynamic relocs in read-only sections, then
1846 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1847 if (0 && !readonly_dynrelocs (h))
1853 /* We must allocate the symbol in our .dynbss section, which will
1854 become part of the .bss section of the executable. There will be
1855 an entry for this symbol in the .dynsym section. The dynamic
1856 object will contain position independent code, so all references
1857 from the dynamic object to this symbol will go through the global
1858 offset table. The dynamic linker will use the .dynsym entry to
1859 determine the address it must put in the global offset table, so
1860 both the dynamic object and the regular object will refer to the
1861 same memory location for the variable. */
1863 htab = m32r_elf_hash_table (info);
1868 BFD_ASSERT (s != NULL);
1870 /* We must generate a R_M32R_COPY reloc to tell the dynamic linker
1871 to copy the initial value out of the dynamic object and into the
1872 runtime process image. We need to remember the offset into the
1873 .rela.bss section we are going to use. */
1874 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
1878 srel = htab->srelbss;
1879 BFD_ASSERT (srel != NULL);
1880 srel->size += sizeof (Elf32_External_Rela);
1884 return _bfd_elf_adjust_dynamic_copy (info, h, s);
1887 /* Allocate space in .plt, .got and associated reloc sections for
1891 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
1893 struct bfd_link_info *info;
1894 struct elf_m32r_link_hash_table *htab;
1895 struct elf_m32r_link_hash_entry *eh;
1896 struct elf_dyn_relocs *p;
1898 if (h->root.type == bfd_link_hash_indirect)
1901 info = (struct bfd_link_info *) inf;
1902 htab = m32r_elf_hash_table (info);
1906 eh = (struct elf_m32r_link_hash_entry *) h;
1908 if (htab->root.dynamic_sections_created
1909 && h->plt.refcount > 0)
1911 /* Make sure this symbol is output as a dynamic symbol.
1912 Undefined weak syms won't yet be marked as dynamic. */
1913 if (h->dynindx == -1
1914 && !h->forced_local)
1916 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1920 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
1922 asection *s = htab->root.splt;
1924 /* If this is the first .plt entry, make room for the special
1927 s->size += PLT_ENTRY_SIZE;
1929 h->plt.offset = s->size;
1931 /* If this symbol is not defined in a regular file, and we are
1932 not generating a shared library, then set the symbol to this
1933 location in the .plt. This is required to make function
1934 pointers compare as equal between the normal executable and
1935 the shared library. */
1936 if (! bfd_link_pic (info)
1939 h->root.u.def.section = s;
1940 h->root.u.def.value = h->plt.offset;
1943 /* Make room for this entry. */
1944 s->size += PLT_ENTRY_SIZE;
1946 /* We also need to make an entry in the .got.plt section, which
1947 will be placed in the .got section by the linker script. */
1948 htab->root.sgotplt->size += 4;
1950 /* We also need to make an entry in the .rel.plt section. */
1951 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
1955 h->plt.offset = (bfd_vma) -1;
1961 h->plt.offset = (bfd_vma) -1;
1965 if (h->got.refcount > 0)
1970 /* Make sure this symbol is output as a dynamic symbol.
1971 Undefined weak syms won't yet be marked as dynamic. */
1972 if (h->dynindx == -1
1973 && !h->forced_local)
1975 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1979 s = htab->root.sgot;
1981 h->got.offset = s->size;
1983 dyn = htab->root.dynamic_sections_created;
1984 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
1985 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
1988 h->got.offset = (bfd_vma) -1;
1990 if (eh->dyn_relocs == NULL)
1993 /* In the shared -Bsymbolic case, discard space allocated for
1994 dynamic pc-relative relocs against symbols which turn out to be
1995 defined in regular objects. For the normal shared case, discard
1996 space for pc-relative relocs that have become local due to symbol
1997 visibility changes. */
1999 if (bfd_link_pic (info))
2005 struct elf_dyn_relocs **pp;
2007 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2009 p->count -= p->pc_count;
2018 /* Also discard relocs on undefined weak syms with non-default
2020 if (eh->dyn_relocs != NULL
2021 && h->root.type == bfd_link_hash_undefweak)
2023 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2024 eh->dyn_relocs = NULL;
2026 /* Make sure undefined weak symbols are output as a dynamic
2028 else if (h->dynindx == -1
2029 && !h->forced_local)
2031 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2038 /* For the non-shared case, discard space for relocs against
2039 symbols which turn out to need copy relocs or are not
2045 || (htab->root.dynamic_sections_created
2046 && (h->root.type == bfd_link_hash_undefweak
2047 || h->root.type == bfd_link_hash_undefined))))
2049 /* Make sure this symbol is output as a dynamic symbol.
2050 Undefined weak syms won't yet be marked as dynamic. */
2051 if (h->dynindx == -1
2052 && !h->forced_local)
2054 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2058 /* If that succeeded, we know we'll be keeping all the
2060 if (h->dynindx != -1)
2064 eh->dyn_relocs = NULL;
2069 /* Finally, allocate space. */
2070 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2072 asection *sreloc = elf_section_data (p->sec)->sreloc;
2073 sreloc->size += p->count * sizeof (Elf32_External_Rela);
2079 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2080 read-only sections. */
2083 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2087 if (h->root.type == bfd_link_hash_indirect)
2090 sec = readonly_dynrelocs (h);
2093 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2095 info->flags |= DF_TEXTREL;
2096 info->callbacks->minfo
2097 (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
2098 sec->owner, h->root.root.string, sec);
2100 /* Not an error, just cut short the traversal. */
2106 /* Set the sizes of the dynamic sections. */
2109 m32r_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2110 struct bfd_link_info *info)
2112 struct elf_m32r_link_hash_table *htab;
2119 printf ("m32r_elf_size_dynamic_sections()\n");
2122 htab = m32r_elf_hash_table (info);
2126 dynobj = htab->root.dynobj;
2127 BFD_ASSERT (dynobj != NULL);
2129 if (htab->root.dynamic_sections_created)
2131 /* Set the contents of the .interp section to the interpreter. */
2132 if (bfd_link_executable (info) && !info->nointerp)
2134 s = bfd_get_linker_section (dynobj, ".interp");
2135 BFD_ASSERT (s != NULL);
2136 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
2137 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2141 /* Set up .got offsets for local syms, and space for local dynamic
2143 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2145 bfd_signed_vma *local_got;
2146 bfd_signed_vma *end_local_got;
2147 bfd_size_type locsymcount;
2148 Elf_Internal_Shdr *symtab_hdr;
2151 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
2154 for (s = ibfd->sections; s != NULL; s = s->next)
2156 struct elf_dyn_relocs *p;
2158 for (p = ((struct elf_dyn_relocs *)
2159 elf_section_data (s)->local_dynrel);
2163 if (! bfd_is_abs_section (p->sec)
2164 && bfd_is_abs_section (p->sec->output_section))
2166 /* Input section has been discarded, either because
2167 it is a copy of a linkonce section or due to
2168 linker script /DISCARD/, so we'll be discarding
2171 else if (p->count != 0)
2173 srel = elf_section_data (p->sec)->sreloc;
2174 srel->size += p->count * sizeof (Elf32_External_Rela);
2175 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2176 info->flags |= DF_TEXTREL;
2181 local_got = elf_local_got_refcounts (ibfd);
2185 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2186 locsymcount = symtab_hdr->sh_info;
2187 end_local_got = local_got + locsymcount;
2188 s = htab->root.sgot;
2189 srel = htab->root.srelgot;
2190 for (; local_got < end_local_got; ++local_got)
2194 *local_got = s->size;
2196 if (bfd_link_pic (info))
2197 srel->size += sizeof (Elf32_External_Rela);
2200 *local_got = (bfd_vma) -1;
2204 /* Allocate global sym .plt and .got entries, and space for global
2205 sym dynamic relocs. */
2206 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
2208 /* We now have determined the sizes of the various dynamic sections.
2209 Allocate memory for them. */
2211 for (s = dynobj->sections; s != NULL; s = s->next)
2213 if ((s->flags & SEC_LINKER_CREATED) == 0)
2216 if (s == htab->root.splt
2217 || s == htab->root.sgot
2218 || s == htab->root.sgotplt
2219 || s == htab->sdynbss)
2221 /* Strip this section if we don't need it; see the
2224 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
2226 if (s->size != 0 && s != htab->root.srelplt)
2229 /* We use the reloc_count field as a counter if we need
2230 to copy relocs into the output file. */
2234 /* It's not one of our sections, so don't allocate space. */
2239 /* If we don't need this section, strip it from the
2240 output file. This is mostly to handle .rela.bss and
2241 .rela.plt. We must create both sections in
2242 create_dynamic_sections, because they must be created
2243 before the linker maps input sections to output
2244 sections. The linker does that before
2245 adjust_dynamic_symbol is called, and it is that
2246 function which decides whether anything needs to go
2247 into these sections. */
2248 s->flags |= SEC_EXCLUDE;
2252 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2255 /* Allocate memory for the section contents. We use bfd_zalloc
2256 here in case unused entries are not reclaimed before the
2257 section's contents are written out. This should not happen,
2258 but this way if it does, we get a R_M32R_NONE reloc instead
2260 s->contents = bfd_zalloc (dynobj, s->size);
2261 if (s->contents == NULL)
2265 if (htab->root.dynamic_sections_created)
2267 /* Add some entries to the .dynamic section. We fill in the
2268 values later, in m32r_elf_finish_dynamic_sections, but we
2269 must add the entries now so that we get the correct size for
2270 the .dynamic section. The DT_DEBUG entry is filled in by the
2271 dynamic linker and used by the debugger. */
2272 #define add_dynamic_entry(TAG, VAL) \
2273 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2275 if (bfd_link_executable (info))
2277 if (! add_dynamic_entry (DT_DEBUG, 0))
2281 if (htab->root.splt->size != 0)
2283 if (! add_dynamic_entry (DT_PLTGOT, 0)
2284 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
2285 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
2286 || ! add_dynamic_entry (DT_JMPREL, 0))
2292 if (! add_dynamic_entry (DT_RELA, 0)
2293 || ! add_dynamic_entry (DT_RELASZ, 0)
2294 || ! add_dynamic_entry (DT_RELAENT,
2295 sizeof (Elf32_External_Rela)))
2298 /* If any dynamic relocs apply to a read-only section,
2299 then we need a DT_TEXTREL entry. */
2300 if ((info->flags & DF_TEXTREL) == 0)
2301 elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
2303 if ((info->flags & DF_TEXTREL) != 0)
2305 if (! add_dynamic_entry (DT_TEXTREL, 0))
2310 #undef add_dynamic_entry
2315 /* Relocate an M32R/D ELF section.
2316 There is some attempt to make this function usable for many architectures,
2317 both for RELA and REL type relocs, if only to serve as a learning tool.
2319 The RELOCATE_SECTION function is called by the new ELF backend linker
2320 to handle the relocations for a section.
2322 The relocs are always passed as Rela structures; if the section
2323 actually uses Rel structures, the r_addend field will always be
2326 This function is responsible for adjust the section contents as
2327 necessary, and (if using Rela relocs and generating a
2328 relocatable output file) adjusting the reloc addend as
2331 This function does not have to worry about setting the reloc
2332 address or the reloc symbol index.
2334 LOCAL_SYMS is a pointer to the swapped in local symbols.
2336 LOCAL_SECTIONS is an array giving the section in the input file
2337 corresponding to the st_shndx field of each local symbol.
2339 The global hash table entry for the global symbols can be found
2340 via elf_sym_hashes (input_bfd).
2342 When generating relocatable output, this function must handle
2343 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2344 going to be the section symbol corresponding to the output
2345 section, which means that the addend must be adjusted
2349 m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
2350 struct bfd_link_info *info,
2352 asection *input_section,
2354 Elf_Internal_Rela *relocs,
2355 Elf_Internal_Sym *local_syms,
2356 asection **local_sections)
2358 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2359 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
2360 Elf_Internal_Rela *rel, *relend;
2361 /* Assume success. */
2362 bfd_boolean ret = TRUE;
2363 struct elf_m32r_link_hash_table *htab = m32r_elf_hash_table (info);
2364 bfd_vma *local_got_offsets;
2365 asection *sgot, *splt, *sreloc;
2366 bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
2371 local_got_offsets = elf_local_got_offsets (input_bfd);
2373 sgot = htab->root.sgot;
2374 splt = htab->root.splt;
2378 relend = relocs + input_section->reloc_count;
2379 for (; rel < relend; rel++)
2382 reloc_howto_type *howto;
2383 unsigned long r_symndx;
2384 struct elf_link_hash_entry *h;
2385 /* We can't modify r_addend here as elf_link_input_bfd has an assert to
2386 ensure it's zero (we use REL relocs, not RELA). Therefore this
2387 should be assigning zero to `addend', but for clarity we use
2389 bfd_vma addend = rel->r_addend;
2390 bfd_vma offset = rel->r_offset;
2392 Elf_Internal_Sym *sym;
2394 const char *sym_name;
2395 bfd_reloc_status_type r;
2396 const char *errmsg = NULL;
2397 bfd_boolean use_rel = FALSE;
2400 r_type = ELF32_R_TYPE (rel->r_info);
2401 if (r_type < 0 || r_type >= (int) R_M32R_max)
2403 /* xgettext:c-format */
2404 _bfd_error_handler (_("%B: unknown relocation type %d"),
2405 input_bfd, (int) r_type);
2406 bfd_set_error (bfd_error_bad_value);
2411 if ( r_type == R_M32R_GNU_VTENTRY
2412 || r_type == R_M32R_GNU_VTINHERIT
2413 || r_type == R_M32R_NONE
2414 || r_type == R_M32R_RELA_GNU_VTENTRY
2415 || r_type == R_M32R_RELA_GNU_VTINHERIT)
2418 if (r_type <= R_M32R_GNU_VTENTRY)
2421 howto = m32r_elf_howto_table + r_type;
2422 r_symndx = ELF32_R_SYM (rel->r_info);
2428 if (r_symndx < symtab_hdr->sh_info)
2431 sym = local_syms + r_symndx;
2432 sec = local_sections[r_symndx];
2433 sym_name = "<local symbol>";
2437 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2438 addend = rel->r_addend;
2442 relocation = (sec->output_section->vma
2443 + sec->output_offset
2449 /* External symbol. */
2452 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2454 if (info->wrap_hash != NULL
2455 && (input_section->flags & SEC_DEBUGGING) != 0)
2456 h = ((struct elf_link_hash_entry *)
2457 unwrap_hash_lookup (info, input_bfd, &h->root));
2459 while (h->root.type == bfd_link_hash_indirect
2460 || h->root.type == bfd_link_hash_warning)
2461 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2462 sym_name = h->root.root.string;
2464 if (h->root.type == bfd_link_hash_defined
2465 || h->root.type == bfd_link_hash_defweak)
2468 sec = h->root.u.def.section;
2470 dyn = htab->root.dynamic_sections_created;
2471 sec = h->root.u.def.section;
2472 if (r_type == R_M32R_GOTPC24
2473 || (r_type == R_M32R_GOTPC_HI_ULO
2474 || r_type == R_M32R_GOTPC_HI_SLO
2475 || r_type == R_M32R_GOTPC_LO)
2476 || (r_type == R_M32R_26_PLTREL
2477 && h->plt.offset != (bfd_vma) -1)
2478 || ((r_type == R_M32R_GOT24
2479 || r_type == R_M32R_GOT16_HI_ULO
2480 || r_type == R_M32R_GOT16_HI_SLO
2481 || r_type == R_M32R_GOT16_LO)
2482 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2483 bfd_link_pic (info),
2485 && (! bfd_link_pic (info)
2486 || (! info->symbolic && h->dynindx != -1)
2487 || !h->def_regular))
2488 || (bfd_link_pic (info)
2489 && ((! info->symbolic && h->dynindx != -1)
2491 && (((r_type == R_M32R_16_RELA
2492 || r_type == R_M32R_32_RELA
2493 || r_type == R_M32R_24_RELA
2494 || r_type == R_M32R_HI16_ULO_RELA
2495 || r_type == R_M32R_HI16_SLO_RELA
2496 || r_type == R_M32R_LO16_RELA)
2497 && !h->forced_local)
2498 || r_type == R_M32R_REL32
2499 || r_type == R_M32R_10_PCREL_RELA
2500 || r_type == R_M32R_18_PCREL_RELA
2501 || r_type == R_M32R_26_PCREL_RELA)
2502 && ((input_section->flags & SEC_ALLOC) != 0
2503 /* DWARF will emit R_M32R_16(24,32) relocations
2504 in its sections against symbols defined
2505 externally in shared libraries. We can't do
2506 anything with them here. */
2507 || ((input_section->flags & SEC_DEBUGGING) != 0
2508 && h->def_dynamic))))
2510 /* In these cases, we don't need the relocation
2511 value. We check specially because in some
2512 obscure cases sec->output_section will be NULL. */
2514 else if (sec->output_section != NULL)
2515 relocation = (h->root.u.def.value
2516 + sec->output_section->vma
2517 + sec->output_offset);
2518 else if (!bfd_link_relocatable (info)
2519 && (_bfd_elf_section_offset (output_bfd, info,
2525 /* xgettext:c-format */
2526 (_("%B(%A+%#Lx): unresolvable %s relocation "
2527 "against symbol `%s'"),
2532 h->root.root.string);
2535 else if (h->root.type == bfd_link_hash_undefweak)
2537 else if (info->unresolved_syms_in_objects == RM_IGNORE
2538 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
2540 else if (!bfd_link_relocatable (info))
2541 (*info->callbacks->undefined_symbol)
2542 (info, h->root.root.string, input_bfd,
2543 input_section, offset,
2544 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
2545 || ELF_ST_VISIBILITY (h->other)));
2548 if (sec != NULL && discarded_section (sec))
2549 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2550 rel, 1, relend, howto, 0, contents);
2552 if (bfd_link_relocatable (info) && !use_rel)
2554 /* This is a relocatable link. We don't have to change
2555 anything, unless the reloc is against a section symbol,
2556 in which case we have to adjust according to where the
2557 section symbol winds up in the output section. */
2558 if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2559 rel->r_addend += sec->output_offset;
2563 if (bfd_link_relocatable (info) && use_rel)
2565 /* This is a relocatable link. We don't have to change
2566 anything, unless the reloc is against a section symbol,
2567 in which case we have to adjust according to where the
2568 section symbol winds up in the output section. */
2569 if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION)
2572 addend += sec->output_offset;
2574 /* If partial_inplace, we need to store any additional addend
2575 back in the section. */
2576 if (! howto->partial_inplace)
2578 /* ??? Here is a nice place to call a special_function
2580 if (r_type != R_M32R_HI16_SLO && r_type != R_M32R_HI16_ULO)
2581 r = _bfd_relocate_contents (howto, input_bfd,
2582 addend, contents + offset);
2585 Elf_Internal_Rela *lorel;
2587 /* We allow an arbitrary number of HI16 relocs before the
2588 LO16 reloc. This permits gcc to emit the HI and LO relocs
2590 for (lorel = rel + 1;
2592 && (ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_SLO
2593 || ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_ULO));
2597 && ELF32_R_TYPE (lorel->r_info) == R_M32R_LO16)
2599 m32r_elf_relocate_hi16 (input_bfd, r_type, rel, lorel,
2604 r = _bfd_relocate_contents (howto, input_bfd,
2605 addend, contents + offset);
2610 /* Sanity check the address. */
2611 if (offset > high_address)
2613 r = bfd_reloc_outofrange;
2617 switch ((int) r_type)
2620 /* Relocation is relative to the start of the global offset
2621 table (for ld24 rx, #uimm24). eg access at label+addend
2623 ld24 rx. #label@GOTOFF + addend
2626 BFD_ASSERT (sgot != NULL);
2628 relocation = -(relocation - sgot->output_section->vma);
2629 rel->r_addend = -rel->r_addend;
2632 case R_M32R_GOTOFF_HI_ULO:
2633 case R_M32R_GOTOFF_HI_SLO:
2634 case R_M32R_GOTOFF_LO:
2635 BFD_ASSERT (sgot != NULL);
2637 relocation -= sgot->output_section->vma;
2639 if ((r_type == R_M32R_GOTOFF_HI_SLO)
2640 && ((relocation + rel->r_addend) & 0x8000))
2641 rel->r_addend += 0x10000;
2644 case R_M32R_GOTPC24:
2645 /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
2646 ld24 rx,#_GLOBAL_OFFSET_TABLE_
2648 relocation = sgot->output_section->vma;
2651 case R_M32R_GOTPC_HI_ULO:
2652 case R_M32R_GOTPC_HI_SLO:
2653 case R_M32R_GOTPC_LO:
2655 /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
2657 seth rx,#high(_GLOBAL_OFFSET_TABLE_)
2658 or3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
2661 seth rx,#shigh(_GLOBAL_OFFSET_TABLE_)
2662 add3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
2664 relocation = sgot->output_section->vma;
2665 relocation -= (input_section->output_section->vma
2666 + input_section->output_offset
2668 if ((r_type == R_M32R_GOTPC_HI_SLO)
2669 && ((relocation + rel->r_addend) & 0x8000))
2670 rel->r_addend += 0x10000;
2674 case R_M32R_GOT16_HI_ULO:
2675 case R_M32R_GOT16_HI_SLO:
2676 case R_M32R_GOT16_LO:
2679 /* Relocation is to the entry for this symbol in the global
2681 BFD_ASSERT (sgot != NULL);
2688 off = h->got.offset;
2689 BFD_ASSERT (off != (bfd_vma) -1);
2691 dyn = htab->root.dynamic_sections_created;
2692 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2693 bfd_link_pic (info),
2695 || (bfd_link_pic (info)
2701 /* This is actually a static link, or it is a
2702 -Bsymbolic link and the symbol is defined
2703 locally, or the symbol was forced to be local
2704 because of a version file. We must initialize
2705 this entry in the global offset table. Since the
2706 offset must always be a multiple of 4, we use the
2707 least significant bit to record whether we have
2708 initialized it already.
2710 When doing a dynamic link, we create a .rela.got
2711 relocation entry to initialize the value. This
2712 is done in the finish_dynamic_symbol routine. */
2717 bfd_put_32 (output_bfd, relocation,
2718 sgot->contents + off);
2723 relocation = sgot->output_offset + off;
2730 BFD_ASSERT (local_got_offsets != NULL
2731 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2733 off = local_got_offsets[r_symndx];
2735 /* The offset must always be a multiple of 4. We use
2736 the least significant bit to record whether we have
2737 already processed this entry. */
2742 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
2744 if (bfd_link_pic (info))
2747 Elf_Internal_Rela outrel;
2749 /* We need to generate a R_M32R_RELATIVE reloc
2750 for the dynamic linker. */
2751 srelgot = htab->root.srelgot;
2752 BFD_ASSERT (srelgot != NULL);
2754 outrel.r_offset = (sgot->output_section->vma
2755 + sgot->output_offset
2757 outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
2758 outrel.r_addend = relocation;
2759 loc = srelgot->contents;
2760 loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
2761 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
2762 ++srelgot->reloc_count;
2765 local_got_offsets[r_symndx] |= 1;
2768 relocation = sgot->output_offset + off;
2770 if ((r_type == R_M32R_GOT16_HI_SLO)
2771 && ((relocation + rel->r_addend) & 0x8000))
2772 rel->r_addend += 0x10000;
2776 case R_M32R_26_PLTREL:
2777 /* Relocation is to the entry for this symbol in the
2778 procedure linkage table. */
2780 /* The native assembler will generate a 26_PLTREL reloc
2781 for a local symbol if you assemble a call from one
2782 section to another when using -K pic. */
2786 if (h->forced_local)
2789 if (h->plt.offset == (bfd_vma) -1)
2790 /* We didn't make a PLT entry for this symbol. This
2791 happens when statically linking PIC code, or when
2792 using -Bsymbolic. */
2795 relocation = (splt->output_section->vma
2796 + splt->output_offset
2800 case R_M32R_HI16_SLO_RELA:
2801 if ((relocation + rel->r_addend) & 0x8000)
2802 rel->r_addend += 0x10000;
2805 case R_M32R_16_RELA:
2806 case R_M32R_24_RELA:
2807 case R_M32R_32_RELA:
2809 case R_M32R_10_PCREL_RELA:
2810 case R_M32R_18_PCREL_RELA:
2811 case R_M32R_26_PCREL_RELA:
2812 case R_M32R_HI16_ULO_RELA:
2813 case R_M32R_LO16_RELA:
2814 if (bfd_link_pic (info)
2815 && r_symndx != STN_UNDEF
2816 && (input_section->flags & SEC_ALLOC) != 0
2817 && (( r_type != R_M32R_10_PCREL_RELA
2818 && r_type != R_M32R_18_PCREL_RELA
2819 && r_type != R_M32R_26_PCREL_RELA
2820 && r_type != R_M32R_REL32)
2823 && (! info->symbolic
2824 || !h->def_regular))))
2826 Elf_Internal_Rela outrel;
2827 bfd_boolean skip, relocate;
2830 /* When generating a shared object, these relocations
2831 are copied into the output file to be resolved at run
2835 sreloc = _bfd_elf_get_dynamic_reloc_section
2836 (input_bfd, input_section, /*rela?*/ TRUE);
2844 outrel.r_offset = _bfd_elf_section_offset (output_bfd,
2848 if (outrel.r_offset == (bfd_vma) -1)
2850 else if (outrel.r_offset == (bfd_vma) -2)
2851 skip = relocate = TRUE;
2852 outrel.r_offset += (input_section->output_section->vma
2853 + input_section->output_offset);
2856 memset (&outrel, 0, sizeof outrel);
2857 else if ( r_type == R_M32R_10_PCREL_RELA
2858 || r_type == R_M32R_18_PCREL_RELA
2859 || r_type == R_M32R_26_PCREL_RELA
2860 || r_type == R_M32R_REL32)
2862 BFD_ASSERT (h != NULL && h->dynindx != -1);
2863 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2864 outrel.r_addend = rel->r_addend;
2868 /* h->dynindx may be -1 if this symbol was marked to
2871 || ((info->symbolic || h->dynindx == -1)
2875 outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
2876 outrel.r_addend = relocation + rel->r_addend;
2880 BFD_ASSERT (h->dynindx != -1);
2881 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2882 outrel.r_addend = relocation + rel->r_addend;
2886 loc = sreloc->contents;
2887 loc += sreloc->reloc_count * sizeof (Elf32_External_Rela);
2888 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
2889 ++sreloc->reloc_count;
2891 /* If this reloc is against an external symbol, we do
2892 not want to fiddle with the addend. Otherwise, we
2893 need to include the symbol value so that it becomes
2894 an addend for the dynamic reloc. */
2899 else if (r_type != R_M32R_10_PCREL_RELA)
2903 case (int) R_M32R_10_PCREL :
2904 r = m32r_elf_do_10_pcrel_reloc (input_bfd, howto, input_section,
2906 sec, relocation, addend);
2909 case (int) R_M32R_HI16_SLO :
2910 case (int) R_M32R_HI16_ULO :
2912 Elf_Internal_Rela *lorel;
2914 /* We allow an arbitrary number of HI16 relocs before the
2915 LO16 reloc. This permits gcc to emit the HI and LO relocs
2917 for (lorel = rel + 1;
2919 && (ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_SLO
2920 || ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_ULO));
2924 && ELF32_R_TYPE (lorel->r_info) == R_M32R_LO16)
2926 m32r_elf_relocate_hi16 (input_bfd, r_type, rel, lorel,
2927 contents, relocation + addend);
2931 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2933 relocation, addend);
2938 case (int) R_M32R_SDA16_RELA:
2939 case (int) R_M32R_SDA16 :
2943 BFD_ASSERT (sec != NULL);
2944 name = bfd_get_section_name (sec->owner, sec);
2946 if ( strcmp (name, ".sdata") == 0
2947 || strcmp (name, ".sbss") == 0
2948 || strcmp (name, ".scommon") == 0)
2951 bfd *out_bfd = sec->output_section->owner;
2953 r = m32r_elf_final_sda_base (out_bfd, info,
2956 if (r != bfd_reloc_ok)
2962 /* At this point `relocation' contains the object's
2964 relocation -= sda_base;
2965 /* Now it contains the offset from _SDA_BASE_. */
2970 /* xgettext:c-format */
2971 (_("%B: The target (%s) of an %s relocation is in the wrong section (%A)"),
2974 m32r_elf_howto_table[(int) r_type].name,
2976 /*bfd_set_error (bfd_error_bad_value); ??? why? */
2983 default : /* OLD_M32R_RELOC */
2985 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2987 relocation, addend);
2991 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2992 contents, rel->r_offset,
2993 relocation, rel->r_addend);
2999 if (r != bfd_reloc_ok)
3001 /* FIXME: This should be generic enough to go in a utility. */
3005 name = h->root.root.string;
3008 name = (bfd_elf_string_from_elf_section
3009 (input_bfd, symtab_hdr->sh_link, sym->st_name));
3010 if (name == NULL || *name == '\0')
3011 name = bfd_section_name (input_bfd, sec);
3019 case bfd_reloc_overflow:
3020 (*info->callbacks->reloc_overflow)
3021 (info, (h ? &h->root : NULL), name, howto->name,
3022 (bfd_vma) 0, input_bfd, input_section, offset);
3025 case bfd_reloc_undefined:
3026 (*info->callbacks->undefined_symbol)
3027 (info, name, input_bfd, input_section, offset, TRUE);
3030 case bfd_reloc_outofrange:
3031 errmsg = _("internal error: out of range error");
3034 case bfd_reloc_notsupported:
3035 errmsg = _("internal error: unsupported relocation error");
3038 case bfd_reloc_dangerous:
3039 errmsg = _("internal error: dangerous error");
3043 errmsg = _("internal error: unknown error");
3047 (*info->callbacks->warning) (info, errmsg, name, input_bfd,
3048 input_section, offset);
3057 /* Finish up dynamic symbol handling. We set the contents of various
3058 dynamic sections here. */
3061 m32r_elf_finish_dynamic_symbol (bfd *output_bfd,
3062 struct bfd_link_info *info,
3063 struct elf_link_hash_entry *h,
3064 Elf_Internal_Sym *sym)
3066 struct elf_m32r_link_hash_table *htab;
3070 printf ("m32r_elf_finish_dynamic_symbol()\n");
3073 htab = m32r_elf_hash_table (info);
3077 if (h->plt.offset != (bfd_vma) -1)
3085 Elf_Internal_Rela rela;
3087 /* This symbol has an entry in the procedure linkage table. Set
3090 BFD_ASSERT (h->dynindx != -1);
3092 splt = htab->root.splt;
3093 sgot = htab->root.sgotplt;
3094 srela = htab->root.srelplt;
3095 BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
3097 /* Get the index in the procedure linkage table which
3098 corresponds to this symbol. This is the index of this symbol
3099 in all the symbols for which we are making plt entries. The
3100 first entry in the procedure linkage table is reserved. */
3101 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
3103 /* Get the offset into the .got table of the entry that
3104 corresponds to this function. Each .got entry is 4 bytes.
3105 The first three are reserved. */
3106 got_offset = (plt_index + 3) * 4;
3108 /* Fill in the entry in the procedure linkage table. */
3109 if (! bfd_link_pic (info))
3111 bfd_put_32 (output_bfd,
3113 + (((sgot->output_section->vma
3114 + sgot->output_offset
3115 + got_offset) >> 16) & 0xffff)),
3116 splt->contents + h->plt.offset);
3117 bfd_put_32 (output_bfd,
3119 + ((sgot->output_section->vma
3120 + sgot->output_offset
3121 + got_offset) & 0xffff)),
3122 splt->contents + h->plt.offset + 4);
3123 bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
3124 splt->contents + h->plt.offset + 8);
3125 bfd_put_32 (output_bfd,
3127 + plt_index * sizeof (Elf32_External_Rela)),
3128 splt->contents + h->plt.offset + 12);
3129 bfd_put_32 (output_bfd,
3131 + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
3132 splt->contents + h->plt.offset + 16);
3136 bfd_put_32 (output_bfd,
3137 PLT_ENTRY_WORD0 + got_offset,
3138 splt->contents + h->plt.offset);
3139 bfd_put_32 (output_bfd, PLT_ENTRY_WORD1,
3140 splt->contents + h->plt.offset + 4);
3141 bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
3142 splt->contents + h->plt.offset + 8);
3143 bfd_put_32 (output_bfd,
3145 + plt_index * sizeof (Elf32_External_Rela)),
3146 splt->contents + h->plt.offset + 12);
3147 bfd_put_32 (output_bfd,
3149 + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
3150 splt->contents + h->plt.offset + 16);
3153 /* Fill in the entry in the global offset table. */
3154 bfd_put_32 (output_bfd,
3155 (splt->output_section->vma
3156 + splt->output_offset
3158 + 12), /* same offset */
3159 sgot->contents + got_offset);
3161 /* Fill in the entry in the .rela.plt section. */
3162 rela.r_offset = (sgot->output_section->vma
3163 + sgot->output_offset
3165 rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_JMP_SLOT);
3167 loc = srela->contents;
3168 loc += plt_index * sizeof (Elf32_External_Rela);
3169 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3171 if (!h->def_regular)
3173 /* Mark the symbol as undefined, rather than as defined in
3174 the .plt section. Leave the value alone. */
3175 sym->st_shndx = SHN_UNDEF;
3179 if (h->got.offset != (bfd_vma) -1)
3183 Elf_Internal_Rela rela;
3185 /* This symbol has an entry in the global offset table. Set it
3188 sgot = htab->root.sgot;
3189 srela = htab->root.srelgot;
3190 BFD_ASSERT (sgot != NULL && srela != NULL);
3192 rela.r_offset = (sgot->output_section->vma
3193 + sgot->output_offset
3194 + (h->got.offset &~ 1));
3196 /* If this is a -Bsymbolic link, and the symbol is defined
3197 locally, we just want to emit a RELATIVE reloc. Likewise if
3198 the symbol was forced to be local because of a version file.
3199 The entry in the global offset table will already have been
3200 initialized in the relocate_section function. */
3201 if (bfd_link_pic (info)
3207 rela.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
3208 rela.r_addend = (h->root.u.def.value
3209 + h->root.u.def.section->output_section->vma
3210 + h->root.u.def.section->output_offset);
3214 BFD_ASSERT ((h->got.offset & 1) == 0);
3215 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
3216 rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_GLOB_DAT);
3220 loc = srela->contents;
3221 loc += srela->reloc_count * sizeof (Elf32_External_Rela);
3222 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3223 ++srela->reloc_count;
3229 Elf_Internal_Rela rela;
3231 /* This symbols needs a copy reloc. Set it up. */
3233 BFD_ASSERT (h->dynindx != -1
3234 && (h->root.type == bfd_link_hash_defined
3235 || h->root.type == bfd_link_hash_defweak));
3237 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
3238 BFD_ASSERT (s != NULL);
3240 rela.r_offset = (h->root.u.def.value
3241 + h->root.u.def.section->output_section->vma
3242 + h->root.u.def.section->output_offset);
3243 rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_COPY);
3246 loc += s->reloc_count * sizeof (Elf32_External_Rela);
3247 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3251 /* Mark some specially defined symbols as absolute. */
3252 if (h == htab->root.hdynamic || h == htab->root.hgot)
3253 sym->st_shndx = SHN_ABS;
3259 /* Finish up the dynamic sections. */
3262 m32r_elf_finish_dynamic_sections (bfd *output_bfd,
3263 struct bfd_link_info *info)
3265 struct elf_m32r_link_hash_table *htab;
3271 printf ("m32r_elf_finish_dynamic_sections()\n");
3274 htab = m32r_elf_hash_table (info);
3278 dynobj = htab->root.dynobj;
3280 sgot = htab->root.sgotplt;
3281 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3283 if (htab->root.dynamic_sections_created)
3286 Elf32_External_Dyn *dyncon, *dynconend;
3288 BFD_ASSERT (sgot != NULL && sdyn != NULL);
3290 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3291 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3293 for (; dyncon < dynconend; dyncon++)
3295 Elf_Internal_Dyn dyn;
3298 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3306 s = htab->root.sgotplt;
3309 s = htab->root.srelplt;
3311 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3312 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3316 s = htab->root.srelplt;
3317 dyn.d_un.d_val = s->size;
3318 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3323 /* Fill in the first entry in the procedure linkage table. */
3324 splt = htab->root.splt;
3325 if (splt && splt->size > 0)
3327 if (bfd_link_pic (info))
3329 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
3330 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
3331 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
3332 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
3333 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
3338 /* addr = .got + 4 */
3339 addr = sgot->output_section->vma + sgot->output_offset + 4;
3340 bfd_put_32 (output_bfd,
3341 PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
3343 bfd_put_32 (output_bfd,
3344 PLT0_ENTRY_WORD1 | (addr & 0xffff),
3345 splt->contents + 4);
3346 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
3347 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
3348 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
3351 elf_section_data (splt->output_section)->this_hdr.sh_entsize =
3356 /* Fill in the first three entries in the global offset table. */
3357 if (sgot && sgot->size > 0)
3360 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
3362 bfd_put_32 (output_bfd,
3363 sdyn->output_section->vma + sdyn->output_offset,
3365 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
3366 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
3368 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
3375 /* Set the right machine number. */
3378 m32r_elf_object_p (bfd *abfd)
3380 switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH)
3383 case E_M32R_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32r); break;
3384 case E_M32RX_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32rx); break;
3385 case E_M32R2_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32r2); break;
3390 /* Store the machine number in the flags field. */
3393 m32r_elf_final_write_processing (bfd *abfd,
3394 bfd_boolean linker ATTRIBUTE_UNUSED)
3398 switch (bfd_get_mach (abfd))
3401 case bfd_mach_m32r: val = E_M32R_ARCH; break;
3402 case bfd_mach_m32rx: val = E_M32RX_ARCH; break;
3403 case bfd_mach_m32r2: val = E_M32R2_ARCH; break;
3406 elf_elfheader (abfd)->e_flags &=~ EF_M32R_ARCH;
3407 elf_elfheader (abfd)->e_flags |= val;
3410 /* Function to keep M32R specific file flags. */
3413 m32r_elf_set_private_flags (bfd *abfd, flagword flags)
3415 BFD_ASSERT (!elf_flags_init (abfd)
3416 || elf_elfheader (abfd)->e_flags == flags);
3418 elf_elfheader (abfd)->e_flags = flags;
3419 elf_flags_init (abfd) = TRUE;
3423 /* Merge backend specific data from an object file to the output
3424 object file when linking. */
3427 m32r_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
3429 bfd *obfd = info->output_bfd;
3433 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3434 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
3437 in_flags = elf_elfheader (ibfd)->e_flags;
3438 out_flags = elf_elfheader (obfd)->e_flags;
3440 if (! elf_flags_init (obfd))
3442 /* If the input is the default architecture then do not
3443 bother setting the flags for the output architecture,
3444 instead allow future merges to do this. If no future
3445 merges ever set these flags then they will retain their
3446 unitialised values, which surprise surprise, correspond
3447 to the default values. */
3448 if (bfd_get_arch_info (ibfd)->the_default)
3451 elf_flags_init (obfd) = TRUE;
3452 elf_elfheader (obfd)->e_flags = in_flags;
3454 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
3455 && bfd_get_arch_info (obfd)->the_default)
3456 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
3457 bfd_get_mach (ibfd));
3462 /* Check flag compatibility. */
3463 if (in_flags == out_flags)
3466 if ((in_flags & EF_M32R_ARCH) != (out_flags & EF_M32R_ARCH))
3468 if ( ((in_flags & EF_M32R_ARCH) != E_M32R_ARCH)
3469 || ((out_flags & EF_M32R_ARCH) == E_M32R_ARCH)
3470 || ((in_flags & EF_M32R_ARCH) == E_M32R2_ARCH))
3473 (_("%B: Instruction set mismatch with previous modules"), ibfd);
3475 bfd_set_error (bfd_error_bad_value);
3483 /* Display the flags field. */
3486 m32r_elf_print_private_bfd_data (bfd *abfd, void * ptr)
3488 FILE * file = (FILE *) ptr;
3490 BFD_ASSERT (abfd != NULL && ptr != NULL);
3492 _bfd_elf_print_private_bfd_data (abfd, ptr);
3494 fprintf (file, _("private flags = %lx"), elf_elfheader (abfd)->e_flags);
3496 switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH)
3499 case E_M32R_ARCH: fprintf (file, _(": m32r instructions")); break;
3500 case E_M32RX_ARCH: fprintf (file, _(": m32rx instructions")); break;
3501 case E_M32R2_ARCH: fprintf (file, _(": m32r2 instructions")); break;
3510 m32r_elf_gc_mark_hook (asection *sec,
3511 struct bfd_link_info *info,
3512 Elf_Internal_Rela *rel,
3513 struct elf_link_hash_entry *h,
3514 Elf_Internal_Sym *sym)
3517 switch (ELF32_R_TYPE (rel->r_info))
3519 case R_M32R_GNU_VTINHERIT:
3520 case R_M32R_GNU_VTENTRY:
3521 case R_M32R_RELA_GNU_VTINHERIT:
3522 case R_M32R_RELA_GNU_VTENTRY:
3526 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
3529 /* Look through the relocs for a section during the first phase.
3530 Since we don't do .gots or .plts, we just need to consider the
3531 virtual table relocs for gc. */
3534 m32r_elf_check_relocs (bfd *abfd,
3535 struct bfd_link_info *info,
3537 const Elf_Internal_Rela *relocs)
3539 Elf_Internal_Shdr *symtab_hdr;
3540 struct elf_link_hash_entry **sym_hashes;
3541 const Elf_Internal_Rela *rel;
3542 const Elf_Internal_Rela *rel_end;
3543 struct elf_m32r_link_hash_table *htab;
3547 if (bfd_link_relocatable (info))
3551 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3552 sym_hashes = elf_sym_hashes (abfd);
3554 htab = m32r_elf_hash_table (info);
3558 dynobj = htab->root.dynobj;
3560 rel_end = relocs + sec->reloc_count;
3561 for (rel = relocs; rel < rel_end; rel++)
3564 struct elf_link_hash_entry *h;
3565 unsigned long r_symndx;
3567 r_symndx = ELF32_R_SYM (rel->r_info);
3568 r_type = ELF32_R_TYPE (rel->r_info);
3569 if (r_symndx < symtab_hdr->sh_info)
3573 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3574 while (h->root.type == bfd_link_hash_indirect
3575 || h->root.type == bfd_link_hash_warning)
3576 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3579 /* Some relocs require a global offset table. */
3580 if (htab->root.sgot == NULL)
3584 case R_M32R_GOT16_HI_ULO:
3585 case R_M32R_GOT16_HI_SLO:
3587 case R_M32R_GOTOFF_HI_ULO:
3588 case R_M32R_GOTOFF_HI_SLO:
3589 case R_M32R_GOTOFF_LO:
3590 case R_M32R_GOT16_LO:
3591 case R_M32R_GOTPC24:
3592 case R_M32R_GOTPC_HI_ULO:
3593 case R_M32R_GOTPC_HI_SLO:
3594 case R_M32R_GOTPC_LO:
3597 htab->root.dynobj = dynobj = abfd;
3598 if (!_bfd_elf_create_got_section (dynobj, info))
3609 case R_M32R_GOT16_HI_ULO:
3610 case R_M32R_GOT16_HI_SLO:
3611 case R_M32R_GOT16_LO:
3615 h->got.refcount += 1;
3618 bfd_signed_vma *local_got_refcounts;
3620 /* This is a global offset table entry for a local
3622 local_got_refcounts = elf_local_got_refcounts (abfd);
3623 if (local_got_refcounts == NULL)
3627 size = symtab_hdr->sh_info;
3628 size *= sizeof (bfd_signed_vma);
3629 local_got_refcounts = bfd_zalloc (abfd, size);
3630 if (local_got_refcounts == NULL)
3632 elf_local_got_refcounts (abfd) = local_got_refcounts;
3634 local_got_refcounts[r_symndx] += 1;
3638 case R_M32R_26_PLTREL:
3639 /* This symbol requires a procedure linkage table entry. We
3640 actually build the entry in adjust_dynamic_symbol,
3641 because this might be a case of linking PIC code without
3642 linking in any dynamic objects, in which case we don't
3643 need to generate a procedure linkage table after all. */
3645 /* If this is a local symbol, we resolve it directly without
3646 creating a procedure linkage table entry. */
3650 if (h->forced_local)
3654 h->plt.refcount += 1;
3657 case R_M32R_16_RELA:
3658 case R_M32R_24_RELA:
3659 case R_M32R_32_RELA:
3661 case R_M32R_HI16_ULO_RELA:
3662 case R_M32R_HI16_SLO_RELA:
3663 case R_M32R_LO16_RELA:
3664 case R_M32R_SDA16_RELA:
3665 case R_M32R_10_PCREL_RELA:
3666 case R_M32R_18_PCREL_RELA:
3667 case R_M32R_26_PCREL_RELA:
3669 if (h != NULL && !bfd_link_pic (info))
3672 h->plt.refcount += 1;
3675 /* If we are creating a shared library, and this is a reloc
3676 against a global symbol, or a non PC relative reloc
3677 against a local symbol, then we need to copy the reloc
3678 into the shared library. However, if we are linking with
3679 -Bsymbolic, we do not need to copy a reloc against a
3680 global symbol which is defined in an object we are
3681 including in the link (i.e., DEF_REGULAR is set). At
3682 this point we have not seen all the input files, so it is
3683 possible that DEF_REGULAR is not set now but will be set
3684 later (it is never cleared). We account for that
3685 possibility below by storing information in the
3686 dyn_relocs field of the hash table entry. A similar
3687 situation occurs when creating shared libraries and symbol
3688 visibility changes render the symbol local.
3690 If on the other hand, we are creating an executable, we
3691 may need to keep relocations for symbols satisfied by a
3692 dynamic library if we manage to avoid copy relocs for the
3694 if ((bfd_link_pic (info)
3695 && (sec->flags & SEC_ALLOC) != 0
3696 && (( r_type != R_M32R_26_PCREL_RELA
3697 && r_type != R_M32R_18_PCREL_RELA
3698 && r_type != R_M32R_10_PCREL_RELA
3699 && r_type != R_M32R_REL32)
3701 && (! info->symbolic
3702 || h->root.type == bfd_link_hash_defweak
3703 || !h->def_regular))))
3704 || (!bfd_link_pic (info)
3705 && (sec->flags & SEC_ALLOC) != 0
3707 && (h->root.type == bfd_link_hash_defweak
3708 || !h->def_regular)))
3710 struct elf_dyn_relocs *p;
3711 struct elf_dyn_relocs **head;
3714 htab->root.dynobj = dynobj = abfd;
3716 /* When creating a shared object, we must copy these
3717 relocs into the output file. We create a reloc
3718 section in dynobj and make room for the reloc. */
3721 sreloc = _bfd_elf_make_dynamic_reloc_section
3722 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
3728 /* If this is a global symbol, we count the number of
3729 relocations we need for this symbol. */
3731 head = &((struct elf_m32r_link_hash_entry *) h)->dyn_relocs;
3734 /* Track dynamic relocs needed for local syms too. */
3737 Elf_Internal_Sym *isym;
3739 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
3744 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
3748 vpp = &elf_section_data (s)->local_dynrel;
3749 head = (struct elf_dyn_relocs **) vpp;
3753 if (p == NULL || p->sec != sec)
3755 bfd_size_type amt = sizeof (*p);
3757 p = bfd_alloc (dynobj, amt);
3768 if ( ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
3769 || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA
3770 || ELF32_R_TYPE (rel->r_info) == R_M32R_10_PCREL_RELA
3771 || ELF32_R_TYPE (rel->r_info) == R_M32R_REL32)
3776 /* This relocation describes the C++ object vtable hierarchy.
3777 Reconstruct it for later use during GC. */
3778 case R_M32R_RELA_GNU_VTINHERIT:
3779 case R_M32R_GNU_VTINHERIT:
3780 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
3784 /* This relocation describes which C++ vtable entries are actually
3785 used. Record for later use during GC. */
3786 case R_M32R_GNU_VTENTRY:
3787 BFD_ASSERT (h != NULL);
3789 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
3792 case R_M32R_RELA_GNU_VTENTRY:
3793 BFD_ASSERT (h != NULL);
3795 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
3804 static const struct bfd_elf_special_section m32r_elf_special_sections[] =
3806 { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
3807 { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
3808 { NULL, 0, 0, 0, 0 }
3811 static enum elf_reloc_type_class
3812 m32r_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
3813 const asection *rel_sec ATTRIBUTE_UNUSED,
3814 const Elf_Internal_Rela *rela)
3816 switch ((int) ELF32_R_TYPE (rela->r_info))
3818 case R_M32R_RELATIVE: return reloc_class_relative;
3819 case R_M32R_JMP_SLOT: return reloc_class_plt;
3820 case R_M32R_COPY: return reloc_class_copy;
3821 default: return reloc_class_normal;
3825 #define ELF_ARCH bfd_arch_m32r
3826 #define ELF_TARGET_ID M32R_ELF_DATA
3827 #define ELF_MACHINE_CODE EM_M32R
3828 #define ELF_MACHINE_ALT1 EM_CYGNUS_M32R
3829 #define ELF_MAXPAGESIZE 0x1 /* Explicitly requested by Mitsubishi. */
3831 #define TARGET_BIG_SYM m32r_elf32_vec
3832 #define TARGET_BIG_NAME "elf32-m32r"
3833 #define TARGET_LITTLE_SYM m32r_elf32_le_vec
3834 #define TARGET_LITTLE_NAME "elf32-m32rle"
3836 #define elf_info_to_howto m32r_info_to_howto
3837 #define elf_info_to_howto_rel m32r_info_to_howto_rel
3838 #define elf_backend_section_from_bfd_section _bfd_m32r_elf_section_from_bfd_section
3839 #define elf_backend_symbol_processing _bfd_m32r_elf_symbol_processing
3840 #define elf_backend_add_symbol_hook m32r_elf_add_symbol_hook
3841 #define elf_backend_relocate_section m32r_elf_relocate_section
3842 #define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook
3843 #define elf_backend_check_relocs m32r_elf_check_relocs
3845 #define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections
3846 #define bfd_elf32_bfd_link_hash_table_create m32r_elf_link_hash_table_create
3847 #define elf_backend_size_dynamic_sections m32r_elf_size_dynamic_sections
3848 #define elf_backend_omit_section_dynsym \
3849 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
3850 #define elf_backend_finish_dynamic_sections m32r_elf_finish_dynamic_sections
3851 #define elf_backend_adjust_dynamic_symbol m32r_elf_adjust_dynamic_symbol
3852 #define elf_backend_finish_dynamic_symbol m32r_elf_finish_dynamic_symbol
3853 #define elf_backend_reloc_type_class m32r_elf_reloc_type_class
3854 #define elf_backend_copy_indirect_symbol m32r_elf_copy_indirect_symbol
3856 #define elf_backend_can_gc_sections 1
3858 #define elf_backend_rela_normal 1
3860 #define elf_backend_can_refcount 1
3861 #define elf_backend_want_got_plt 1
3862 #define elf_backend_plt_readonly 1
3863 #define elf_backend_want_plt_sym 0
3864 #define elf_backend_got_header_size 12
3865 #define elf_backend_dtrel_excludes_plt 1
3867 #define elf_backend_may_use_rel_p 1
3868 #ifdef USE_M32R_OLD_RELOC
3869 #define elf_backend_default_use_rela_p 0
3870 #define elf_backend_may_use_rela_p 0
3872 #define elf_backend_default_use_rela_p 1
3873 #define elf_backend_may_use_rela_p 1
3876 #define elf_backend_object_p m32r_elf_object_p
3877 #define elf_backend_final_write_processing m32r_elf_final_write_processing
3878 #define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data
3879 #define bfd_elf32_bfd_set_private_flags m32r_elf_set_private_flags
3880 #define bfd_elf32_bfd_print_private_bfd_data m32r_elf_print_private_bfd_data
3881 #define elf_backend_special_sections m32r_elf_special_sections
3883 #define elf_backend_linux_prpsinfo32_ugid16 TRUE
3885 #include "elf32-target.h"
3887 #undef ELF_MAXPAGESIZE
3888 #define ELF_MAXPAGESIZE 0x1000
3890 #undef TARGET_BIG_SYM
3891 #define TARGET_BIG_SYM m32r_elf32_linux_vec
3892 #undef TARGET_BIG_NAME
3893 #define TARGET_BIG_NAME "elf32-m32r-linux"
3894 #undef TARGET_LITTLE_SYM
3895 #define TARGET_LITTLE_SYM m32r_elf32_linux_le_vec
3896 #undef TARGET_LITTLE_NAME
3897 #define TARGET_LITTLE_NAME "elf32-m32rle-linux"
3899 #define elf32_bed elf32_m32r_lin_bed
3901 #include "elf32-target.h"