1 /* M32R-specific support for 32-bit ELF.
2 Copyright (C) 1996-2018 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 (_("%pB: unsupported relocation type %#x"),
1290 cache_ptr->howto = &m32r_elf_howto_table[r_type];
1294 m32r_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
1296 Elf_Internal_Rela *dst)
1298 BFD_ASSERT ((ELF32_R_TYPE(dst->r_info) == (unsigned int) R_M32R_NONE)
1299 || ((ELF32_R_TYPE(dst->r_info) > (unsigned int) R_M32R_GNU_VTENTRY)
1300 && (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_M32R_max)));
1301 cache_ptr->howto = &m32r_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
1305 /* Given a BFD section, try to locate the corresponding ELF section
1309 _bfd_m32r_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
1313 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
1315 *retval = SHN_M32R_SCOMMON;
1321 /* M32R ELF uses two common sections. One is the usual one, and the other
1322 is for small objects. All the small objects are kept together, and then
1323 referenced via one register, which yields faster assembler code. It is
1324 up to the compiler to emit an instruction to load the register with
1325 _SDA_BASE. This is what we use for the small common section. This
1326 approach is copied from elf32-mips.c. */
1327 static asection m32r_elf_scom_section;
1328 static asymbol m32r_elf_scom_symbol;
1329 static asymbol *m32r_elf_scom_symbol_ptr;
1331 /* Handle the special M32R section numbers that a symbol may use. */
1334 _bfd_m32r_elf_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
1336 elf_symbol_type *elfsym = (elf_symbol_type *) asym;
1338 switch (elfsym->internal_elf_sym.st_shndx)
1340 case SHN_M32R_SCOMMON:
1341 if (m32r_elf_scom_section.name == NULL)
1343 /* Initialize the small common section. */
1344 m32r_elf_scom_section.name = ".scommon";
1345 m32r_elf_scom_section.flags = SEC_IS_COMMON;
1346 m32r_elf_scom_section.output_section = &m32r_elf_scom_section;
1347 m32r_elf_scom_section.symbol = &m32r_elf_scom_symbol;
1348 m32r_elf_scom_section.symbol_ptr_ptr = &m32r_elf_scom_symbol_ptr;
1349 m32r_elf_scom_symbol.name = ".scommon";
1350 m32r_elf_scom_symbol.flags = BSF_SECTION_SYM;
1351 m32r_elf_scom_symbol.section = &m32r_elf_scom_section;
1352 m32r_elf_scom_symbol_ptr = &m32r_elf_scom_symbol;
1354 asym->section = &m32r_elf_scom_section;
1355 asym->value = elfsym->internal_elf_sym.st_size;
1360 /* Hook called by the linker routine which adds symbols from an object
1361 file. We must handle the special M32R section numbers here.
1362 We also keep watching for whether we need to create the sdata special
1366 m32r_elf_add_symbol_hook (bfd *abfd,
1367 struct bfd_link_info *info,
1368 Elf_Internal_Sym *sym,
1370 flagword *flagsp ATTRIBUTE_UNUSED,
1374 if (! bfd_link_relocatable (info)
1375 && (*namep)[0] == '_' && (*namep)[1] == 'S'
1376 && strcmp (*namep, "_SDA_BASE_") == 0
1377 && is_elf_hash_table (info->hash))
1379 /* This is simpler than using _bfd_elf_create_linker_section
1380 (our needs are simpler than ppc's needs). Also
1381 _bfd_elf_create_linker_section currently has a bug where if a .sdata
1382 section already exists a new one is created that follows it which
1383 screws of _SDA_BASE_ address calcs because output_offset != 0. */
1384 struct elf_link_hash_entry *h;
1385 struct bfd_link_hash_entry *bh;
1386 asection *s = bfd_get_section_by_name (abfd, ".sdata");
1388 /* The following code was cobbled from elf32-ppc.c and elflink.c. */
1391 flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
1392 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1394 s = bfd_make_section_anyway_with_flags (abfd, ".sdata",
1398 if (! bfd_set_section_alignment (abfd, s, 2))
1402 bh = bfd_link_hash_lookup (info->hash, "_SDA_BASE_",
1403 FALSE, FALSE, FALSE);
1405 if ((bh == NULL || bh->type == bfd_link_hash_undefined)
1406 && !(_bfd_generic_link_add_one_symbol (info,
1414 get_elf_backend_data (abfd)->collect,
1417 h = (struct elf_link_hash_entry *) bh;
1418 h->type = STT_OBJECT;
1421 switch (sym->st_shndx)
1423 case SHN_M32R_SCOMMON:
1424 *secp = bfd_make_section_old_way (abfd, ".scommon");
1425 (*secp)->flags |= SEC_IS_COMMON;
1426 *valp = sym->st_size;
1433 /* We have to figure out the SDA_BASE value, so that we can adjust the
1434 symbol value correctly. We look up the symbol _SDA_BASE_ in the output
1435 BFD. If we can't find it, we're stuck. We cache it in the ELF
1436 target data. We don't need to adjust the symbol value for an
1437 external symbol if we are producing relocatable output. */
1439 static bfd_reloc_status_type
1440 m32r_elf_final_sda_base (bfd *output_bfd,
1441 struct bfd_link_info *info,
1442 const char **error_message,
1445 if (elf_gp (output_bfd) == 0)
1447 struct bfd_link_hash_entry *h;
1449 h = bfd_link_hash_lookup (info->hash, "_SDA_BASE_", FALSE, FALSE, TRUE);
1450 if (h != NULL && h->type == bfd_link_hash_defined)
1451 elf_gp (output_bfd) = (h->u.def.value
1452 + h->u.def.section->output_section->vma
1453 + h->u.def.section->output_offset);
1456 /* Only get the error once. */
1457 *psb = elf_gp (output_bfd) = 4;
1459 (const char *) _("SDA relocation when _SDA_BASE_ not defined");
1460 return bfd_reloc_dangerous;
1463 *psb = elf_gp (output_bfd);
1464 return bfd_reloc_ok;
1467 /* Return size of a PLT entry. */
1468 #define elf_m32r_sizeof_plt(info) PLT_ENTRY_SIZE
1470 /* The m32r linker needs to keep track of the number of relocs that it
1471 decides to copy in check_relocs for each symbol. This is so that
1472 it can discard PC relative relocs if it doesn't need them when
1473 linking with -Bsymbolic. We store the information in a field
1474 extending the regular ELF linker hash table. */
1476 /* This structure keeps track of the number of PC relative relocs we
1477 have copied for a given symbol. */
1479 struct elf_m32r_pcrel_relocs_copied
1482 struct elf_m32r_pcrel_relocs_copied *next;
1483 /* A section in dynobj. */
1485 /* Number of relocs copied in this section. */
1486 bfd_size_type count;
1489 /* m32r ELF linker hash entry. */
1491 struct elf_m32r_link_hash_entry
1493 struct elf_link_hash_entry root;
1495 /* Track dynamic relocs copied for this symbol. */
1496 struct elf_dyn_relocs *dyn_relocs;
1499 /* m32r ELF linker hash table. */
1501 struct elf_m32r_link_hash_table
1503 struct elf_link_hash_table root;
1505 /* Short-cuts to get to dynamic linker sections. */
1509 /* Small local sym cache. */
1510 struct sym_cache sym_cache;
1513 /* Traverse an m32r ELF linker hash table. */
1515 #define m32r_elf_link_hash_traverse(table, func, info) \
1516 (elf_link_hash_traverse \
1518 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
1521 /* Get the m32r ELF linker hash table from a link_info structure. */
1523 #define m32r_elf_hash_table(p) \
1524 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
1525 == M32R_ELF_DATA ? ((struct elf_m32r_link_hash_table *) ((p)->hash)) : NULL)
1527 /* Create an entry in an m32r ELF linker hash table. */
1529 static struct bfd_hash_entry *
1530 m32r_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
1531 struct bfd_hash_table *table,
1534 struct elf_m32r_link_hash_entry *ret =
1535 (struct elf_m32r_link_hash_entry *) entry;
1537 /* Allocate the structure if it has not already been allocated by a
1540 ret = bfd_hash_allocate (table,
1541 sizeof (struct elf_m32r_link_hash_entry));
1545 /* Call the allocation method of the superclass. */
1546 ret = ((struct elf_m32r_link_hash_entry *)
1547 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
1551 struct elf_m32r_link_hash_entry *eh;
1553 eh = (struct elf_m32r_link_hash_entry *) ret;
1554 eh->dyn_relocs = NULL;
1557 return (struct bfd_hash_entry *) ret;
1560 /* Create an m32r ELF linker hash table. */
1562 static struct bfd_link_hash_table *
1563 m32r_elf_link_hash_table_create (bfd *abfd)
1565 struct elf_m32r_link_hash_table *ret;
1566 bfd_size_type amt = sizeof (struct elf_m32r_link_hash_table);
1568 ret = bfd_zmalloc (amt);
1572 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
1573 m32r_elf_link_hash_newfunc,
1574 sizeof (struct elf_m32r_link_hash_entry),
1581 return &ret->root.root;
1584 /* Create dynamic sections when linking against a dynamic object. */
1587 m32r_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
1589 struct elf_m32r_link_hash_table *htab;
1590 flagword flags, pltflags;
1592 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1593 int ptralign = 2; /* 32bit */
1595 htab = m32r_elf_hash_table (info);
1599 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
1600 .rel[a].bss sections. */
1601 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
1602 | SEC_LINKER_CREATED);
1605 pltflags |= SEC_CODE;
1606 if (bed->plt_not_loaded)
1607 pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
1608 if (bed->plt_readonly)
1609 pltflags |= SEC_READONLY;
1611 s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
1612 htab->root.splt = s;
1614 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1617 if (bed->want_plt_sym)
1619 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
1621 struct bfd_link_hash_entry *bh = NULL;
1622 struct elf_link_hash_entry *h;
1624 if (! (_bfd_generic_link_add_one_symbol
1625 (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
1626 (bfd_vma) 0, NULL, FALSE,
1627 get_elf_backend_data (abfd)->collect, &bh)))
1629 h = (struct elf_link_hash_entry *) bh;
1631 h->type = STT_OBJECT;
1632 htab->root.hplt = h;
1634 if (bfd_link_pic (info)
1635 && ! bfd_elf_link_record_dynamic_symbol (info, h))
1639 s = bfd_make_section_anyway_with_flags (abfd,
1640 bed->default_use_rela_p
1641 ? ".rela.plt" : ".rel.plt",
1642 flags | SEC_READONLY);
1643 htab->root.srelplt = s;
1645 || ! bfd_set_section_alignment (abfd, s, ptralign))
1648 if (htab->root.sgot == NULL
1649 && !_bfd_elf_create_got_section (abfd, info))
1652 if (bed->want_dynbss)
1654 /* The .dynbss section is a place to put symbols which are defined
1655 by dynamic objects, are referenced by regular objects, and are
1656 not functions. We must allocate space for them in the process
1657 image and use a R_*_COPY reloc to tell the dynamic linker to
1658 initialize them at run time. The linker script puts the .dynbss
1659 section into the .bss section of the final image. */
1660 s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
1661 SEC_ALLOC | SEC_LINKER_CREATED);
1665 /* The .rel[a].bss section holds copy relocs. This section is not
1666 normally needed. We need to create it here, though, so that the
1667 linker will map it to an output section. We can't just create it
1668 only if we need it, because we will not know whether we need it
1669 until we have seen all the input files, and the first time the
1670 main linker code calls BFD after examining all the input files
1671 (size_dynamic_sections) the input sections have already been
1672 mapped to the output sections. If the section turns out not to
1673 be needed, we can discard it later. We will never need this
1674 section when generating a shared object, since they do not use
1676 if (! bfd_link_pic (info))
1678 s = bfd_make_section_anyway_with_flags (abfd,
1679 (bed->default_use_rela_p
1680 ? ".rela.bss" : ".rel.bss"),
1681 flags | SEC_READONLY);
1684 || ! bfd_set_section_alignment (abfd, s, ptralign))
1692 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1695 m32r_elf_copy_indirect_symbol (struct bfd_link_info *info,
1696 struct elf_link_hash_entry *dir,
1697 struct elf_link_hash_entry *ind)
1699 struct elf_m32r_link_hash_entry * edir;
1700 struct elf_m32r_link_hash_entry * eind;
1702 edir = (struct elf_m32r_link_hash_entry *) dir;
1703 eind = (struct elf_m32r_link_hash_entry *) ind;
1705 if (eind->dyn_relocs != NULL)
1707 if (edir->dyn_relocs != NULL)
1709 struct elf_dyn_relocs **pp;
1710 struct elf_dyn_relocs *p;
1712 /* Add reloc counts against the indirect sym to the direct sym
1713 list. Merge any entries against the same section. */
1714 for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
1716 struct elf_dyn_relocs *q;
1718 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1719 if (q->sec == p->sec)
1721 q->pc_count += p->pc_count;
1722 q->count += p->count;
1729 *pp = edir->dyn_relocs;
1732 edir->dyn_relocs = eind->dyn_relocs;
1733 eind->dyn_relocs = NULL;
1736 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1740 /* Find dynamic relocs for H that apply to read-only sections. */
1743 readonly_dynrelocs (struct elf_link_hash_entry *h)
1745 struct elf_dyn_relocs *p;
1746 struct elf_m32r_link_hash_entry *eh = (struct elf_m32r_link_hash_entry *) h;
1748 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1750 asection *s = p->sec->output_section;
1752 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1758 /* Adjust a symbol defined by a dynamic object and referenced by a
1759 regular object. The current definition is in some section of the
1760 dynamic object, but we're not including those sections. We have to
1761 change the definition to something the rest of the link can
1765 m32r_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1766 struct elf_link_hash_entry *h)
1768 struct elf_m32r_link_hash_table *htab;
1773 printf ("m32r_elf_adjust_dynamic_symbol()\n");
1776 dynobj = elf_hash_table (info)->dynobj;
1778 /* Make sure we know what is going on here. */
1779 BFD_ASSERT (dynobj != NULL
1784 && !h->def_regular)));
1786 /* If this is a function, put it in the procedure linkage table. We
1787 will fill in the contents of the procedure linkage table later,
1788 when we know the address of the .got section. */
1789 if (h->type == STT_FUNC
1792 if (! bfd_link_pic (info)
1795 && h->root.type != bfd_link_hash_undefweak
1796 && h->root.type != bfd_link_hash_undefined)
1798 /* This case can occur if we saw a PLT reloc in an input
1799 file, but the symbol was never referred to by a dynamic
1800 object. In such a case, we don't actually need to build
1801 a procedure linkage table, and we can just do a PCREL
1803 h->plt.offset = (bfd_vma) -1;
1810 h->plt.offset = (bfd_vma) -1;
1812 /* If this is a weak symbol, and there is a real definition, the
1813 processor independent code will have arranged for us to see the
1814 real definition first, and we can just use the same value. */
1815 if (h->is_weakalias)
1817 struct elf_link_hash_entry *def = weakdef (h);
1818 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1819 h->root.u.def.section = def->root.u.def.section;
1820 h->root.u.def.value = def->root.u.def.value;
1824 /* This is a reference to a symbol defined by a dynamic object which
1825 is not a function. */
1827 /* If we are creating a shared library, we must presume that the
1828 only references to the symbol are via the global offset table.
1829 For such cases we need not do anything here; the relocations will
1830 be handled correctly by relocate_section. */
1831 if (bfd_link_pic (info))
1834 /* If there are no references to this symbol that do not use the
1835 GOT, we don't need to generate a copy reloc. */
1836 if (!h->non_got_ref)
1839 /* If -z nocopyreloc was given, we won't generate them either. */
1840 if (0 && info->nocopyreloc)
1846 /* If we don't find any dynamic relocs in read-only sections, then
1847 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1848 if (0 && !readonly_dynrelocs (h))
1854 /* We must allocate the symbol in our .dynbss section, which will
1855 become part of the .bss section of the executable. There will be
1856 an entry for this symbol in the .dynsym section. The dynamic
1857 object will contain position independent code, so all references
1858 from the dynamic object to this symbol will go through the global
1859 offset table. The dynamic linker will use the .dynsym entry to
1860 determine the address it must put in the global offset table, so
1861 both the dynamic object and the regular object will refer to the
1862 same memory location for the variable. */
1864 htab = m32r_elf_hash_table (info);
1869 BFD_ASSERT (s != NULL);
1871 /* We must generate a R_M32R_COPY reloc to tell the dynamic linker
1872 to copy the initial value out of the dynamic object and into the
1873 runtime process image. We need to remember the offset into the
1874 .rela.bss section we are going to use. */
1875 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
1879 srel = htab->srelbss;
1880 BFD_ASSERT (srel != NULL);
1881 srel->size += sizeof (Elf32_External_Rela);
1885 return _bfd_elf_adjust_dynamic_copy (info, h, s);
1888 /* Allocate space in .plt, .got and associated reloc sections for
1892 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
1894 struct bfd_link_info *info;
1895 struct elf_m32r_link_hash_table *htab;
1896 struct elf_m32r_link_hash_entry *eh;
1897 struct elf_dyn_relocs *p;
1899 if (h->root.type == bfd_link_hash_indirect)
1902 info = (struct bfd_link_info *) inf;
1903 htab = m32r_elf_hash_table (info);
1907 eh = (struct elf_m32r_link_hash_entry *) h;
1909 if (htab->root.dynamic_sections_created
1910 && h->plt.refcount > 0)
1912 /* Make sure this symbol is output as a dynamic symbol.
1913 Undefined weak syms won't yet be marked as dynamic. */
1914 if (h->dynindx == -1
1915 && !h->forced_local)
1917 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1921 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
1923 asection *s = htab->root.splt;
1925 /* If this is the first .plt entry, make room for the special
1928 s->size += PLT_ENTRY_SIZE;
1930 h->plt.offset = s->size;
1932 /* If this symbol is not defined in a regular file, and we are
1933 not generating a shared library, then set the symbol to this
1934 location in the .plt. This is required to make function
1935 pointers compare as equal between the normal executable and
1936 the shared library. */
1937 if (! bfd_link_pic (info)
1940 h->root.u.def.section = s;
1941 h->root.u.def.value = h->plt.offset;
1944 /* Make room for this entry. */
1945 s->size += PLT_ENTRY_SIZE;
1947 /* We also need to make an entry in the .got.plt section, which
1948 will be placed in the .got section by the linker script. */
1949 htab->root.sgotplt->size += 4;
1951 /* We also need to make an entry in the .rel.plt section. */
1952 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
1956 h->plt.offset = (bfd_vma) -1;
1962 h->plt.offset = (bfd_vma) -1;
1966 if (h->got.refcount > 0)
1971 /* Make sure this symbol is output as a dynamic symbol.
1972 Undefined weak syms won't yet be marked as dynamic. */
1973 if (h->dynindx == -1
1974 && !h->forced_local)
1976 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1980 s = htab->root.sgot;
1982 h->got.offset = s->size;
1984 dyn = htab->root.dynamic_sections_created;
1985 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
1986 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
1989 h->got.offset = (bfd_vma) -1;
1991 if (eh->dyn_relocs == NULL)
1994 /* In the shared -Bsymbolic case, discard space allocated for
1995 dynamic pc-relative relocs against symbols which turn out to be
1996 defined in regular objects. For the normal shared case, discard
1997 space for pc-relative relocs that have become local due to symbol
1998 visibility changes. */
2000 if (bfd_link_pic (info))
2006 struct elf_dyn_relocs **pp;
2008 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2010 p->count -= p->pc_count;
2019 /* Also discard relocs on undefined weak syms with non-default
2021 if (eh->dyn_relocs != NULL
2022 && h->root.type == bfd_link_hash_undefweak)
2024 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2025 eh->dyn_relocs = NULL;
2027 /* Make sure undefined weak symbols are output as a dynamic
2029 else if (h->dynindx == -1
2030 && !h->forced_local)
2032 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2039 /* For the non-shared case, discard space for relocs against
2040 symbols which turn out to need copy relocs or are not
2046 || (htab->root.dynamic_sections_created
2047 && (h->root.type == bfd_link_hash_undefweak
2048 || h->root.type == bfd_link_hash_undefined))))
2050 /* Make sure this symbol is output as a dynamic symbol.
2051 Undefined weak syms won't yet be marked as dynamic. */
2052 if (h->dynindx == -1
2053 && !h->forced_local)
2055 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2059 /* If that succeeded, we know we'll be keeping all the
2061 if (h->dynindx != -1)
2065 eh->dyn_relocs = NULL;
2070 /* Finally, allocate space. */
2071 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2073 asection *sreloc = elf_section_data (p->sec)->sreloc;
2074 sreloc->size += p->count * sizeof (Elf32_External_Rela);
2080 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2081 read-only sections. */
2084 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2088 if (h->root.type == bfd_link_hash_indirect)
2091 sec = readonly_dynrelocs (h);
2094 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2096 info->flags |= DF_TEXTREL;
2097 info->callbacks->minfo
2098 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2099 sec->owner, h->root.root.string, sec);
2101 /* Not an error, just cut short the traversal. */
2107 /* Set the sizes of the dynamic sections. */
2110 m32r_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2111 struct bfd_link_info *info)
2113 struct elf_m32r_link_hash_table *htab;
2120 printf ("m32r_elf_size_dynamic_sections()\n");
2123 htab = m32r_elf_hash_table (info);
2127 dynobj = htab->root.dynobj;
2128 BFD_ASSERT (dynobj != NULL);
2130 if (htab->root.dynamic_sections_created)
2132 /* Set the contents of the .interp section to the interpreter. */
2133 if (bfd_link_executable (info) && !info->nointerp)
2135 s = bfd_get_linker_section (dynobj, ".interp");
2136 BFD_ASSERT (s != NULL);
2137 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
2138 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2142 /* Set up .got offsets for local syms, and space for local dynamic
2144 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2146 bfd_signed_vma *local_got;
2147 bfd_signed_vma *end_local_got;
2148 bfd_size_type locsymcount;
2149 Elf_Internal_Shdr *symtab_hdr;
2152 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
2155 for (s = ibfd->sections; s != NULL; s = s->next)
2157 struct elf_dyn_relocs *p;
2159 for (p = ((struct elf_dyn_relocs *)
2160 elf_section_data (s)->local_dynrel);
2164 if (! bfd_is_abs_section (p->sec)
2165 && bfd_is_abs_section (p->sec->output_section))
2167 /* Input section has been discarded, either because
2168 it is a copy of a linkonce section or due to
2169 linker script /DISCARD/, so we'll be discarding
2172 else if (p->count != 0)
2174 srel = elf_section_data (p->sec)->sreloc;
2175 srel->size += p->count * sizeof (Elf32_External_Rela);
2176 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2177 info->flags |= DF_TEXTREL;
2182 local_got = elf_local_got_refcounts (ibfd);
2186 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2187 locsymcount = symtab_hdr->sh_info;
2188 end_local_got = local_got + locsymcount;
2189 s = htab->root.sgot;
2190 srel = htab->root.srelgot;
2191 for (; local_got < end_local_got; ++local_got)
2195 *local_got = s->size;
2197 if (bfd_link_pic (info))
2198 srel->size += sizeof (Elf32_External_Rela);
2201 *local_got = (bfd_vma) -1;
2205 /* Allocate global sym .plt and .got entries, and space for global
2206 sym dynamic relocs. */
2207 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
2209 /* We now have determined the sizes of the various dynamic sections.
2210 Allocate memory for them. */
2212 for (s = dynobj->sections; s != NULL; s = s->next)
2214 if ((s->flags & SEC_LINKER_CREATED) == 0)
2217 if (s == htab->root.splt
2218 || s == htab->root.sgot
2219 || s == htab->root.sgotplt
2220 || s == htab->sdynbss)
2222 /* Strip this section if we don't need it; see the
2225 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
2227 if (s->size != 0 && s != htab->root.srelplt)
2230 /* We use the reloc_count field as a counter if we need
2231 to copy relocs into the output file. */
2235 /* It's not one of our sections, so don't allocate space. */
2240 /* If we don't need this section, strip it from the
2241 output file. This is mostly to handle .rela.bss and
2242 .rela.plt. We must create both sections in
2243 create_dynamic_sections, because they must be created
2244 before the linker maps input sections to output
2245 sections. The linker does that before
2246 adjust_dynamic_symbol is called, and it is that
2247 function which decides whether anything needs to go
2248 into these sections. */
2249 s->flags |= SEC_EXCLUDE;
2253 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2256 /* Allocate memory for the section contents. We use bfd_zalloc
2257 here in case unused entries are not reclaimed before the
2258 section's contents are written out. This should not happen,
2259 but this way if it does, we get a R_M32R_NONE reloc instead
2261 s->contents = bfd_zalloc (dynobj, s->size);
2262 if (s->contents == NULL)
2266 if (htab->root.dynamic_sections_created)
2268 /* Add some entries to the .dynamic section. We fill in the
2269 values later, in m32r_elf_finish_dynamic_sections, but we
2270 must add the entries now so that we get the correct size for
2271 the .dynamic section. The DT_DEBUG entry is filled in by the
2272 dynamic linker and used by the debugger. */
2273 #define add_dynamic_entry(TAG, VAL) \
2274 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2276 if (bfd_link_executable (info))
2278 if (! add_dynamic_entry (DT_DEBUG, 0))
2282 if (htab->root.splt->size != 0)
2284 if (! add_dynamic_entry (DT_PLTGOT, 0)
2285 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
2286 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
2287 || ! add_dynamic_entry (DT_JMPREL, 0))
2293 if (! add_dynamic_entry (DT_RELA, 0)
2294 || ! add_dynamic_entry (DT_RELASZ, 0)
2295 || ! add_dynamic_entry (DT_RELAENT,
2296 sizeof (Elf32_External_Rela)))
2299 /* If any dynamic relocs apply to a read-only section,
2300 then we need a DT_TEXTREL entry. */
2301 if ((info->flags & DF_TEXTREL) == 0)
2302 elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
2304 if ((info->flags & DF_TEXTREL) != 0)
2306 if (! add_dynamic_entry (DT_TEXTREL, 0))
2311 #undef add_dynamic_entry
2316 /* Relocate an M32R/D ELF section.
2317 There is some attempt to make this function usable for many architectures,
2318 both for RELA and REL type relocs, if only to serve as a learning tool.
2320 The RELOCATE_SECTION function is called by the new ELF backend linker
2321 to handle the relocations for a section.
2323 The relocs are always passed as Rela structures; if the section
2324 actually uses Rel structures, the r_addend field will always be
2327 This function is responsible for adjust the section contents as
2328 necessary, and (if using Rela relocs and generating a
2329 relocatable output file) adjusting the reloc addend as
2332 This function does not have to worry about setting the reloc
2333 address or the reloc symbol index.
2335 LOCAL_SYMS is a pointer to the swapped in local symbols.
2337 LOCAL_SECTIONS is an array giving the section in the input file
2338 corresponding to the st_shndx field of each local symbol.
2340 The global hash table entry for the global symbols can be found
2341 via elf_sym_hashes (input_bfd).
2343 When generating relocatable output, this function must handle
2344 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2345 going to be the section symbol corresponding to the output
2346 section, which means that the addend must be adjusted
2350 m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
2351 struct bfd_link_info *info,
2353 asection *input_section,
2355 Elf_Internal_Rela *relocs,
2356 Elf_Internal_Sym *local_syms,
2357 asection **local_sections)
2359 Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2360 struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
2361 Elf_Internal_Rela *rel, *relend;
2362 /* Assume success. */
2363 bfd_boolean ret = TRUE;
2364 struct elf_m32r_link_hash_table *htab = m32r_elf_hash_table (info);
2365 bfd_vma *local_got_offsets;
2366 asection *sgot, *splt, *sreloc;
2367 bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
2372 local_got_offsets = elf_local_got_offsets (input_bfd);
2374 sgot = htab->root.sgot;
2375 splt = htab->root.splt;
2379 relend = relocs + input_section->reloc_count;
2380 for (; rel < relend; rel++)
2383 reloc_howto_type *howto;
2384 unsigned long r_symndx;
2385 struct elf_link_hash_entry *h;
2386 /* We can't modify r_addend here as elf_link_input_bfd has an assert to
2387 ensure it's zero (we use REL relocs, not RELA). Therefore this
2388 should be assigning zero to `addend', but for clarity we use
2390 bfd_vma addend = rel->r_addend;
2391 bfd_vma offset = rel->r_offset;
2393 Elf_Internal_Sym *sym;
2395 const char *sym_name;
2396 bfd_reloc_status_type r;
2397 const char *errmsg = NULL;
2398 bfd_boolean use_rel = FALSE;
2401 r_type = ELF32_R_TYPE (rel->r_info);
2402 if (r_type < 0 || r_type >= (int) R_M32R_max)
2404 /* xgettext:c-format */
2405 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
2406 input_bfd, (int) r_type);
2407 bfd_set_error (bfd_error_bad_value);
2412 if ( r_type == R_M32R_GNU_VTENTRY
2413 || r_type == R_M32R_GNU_VTINHERIT
2414 || r_type == R_M32R_NONE
2415 || r_type == R_M32R_RELA_GNU_VTENTRY
2416 || r_type == R_M32R_RELA_GNU_VTINHERIT)
2419 if (r_type <= R_M32R_GNU_VTENTRY)
2422 howto = m32r_elf_howto_table + r_type;
2423 r_symndx = ELF32_R_SYM (rel->r_info);
2429 if (r_symndx < symtab_hdr->sh_info)
2432 sym = local_syms + r_symndx;
2433 sec = local_sections[r_symndx];
2434 sym_name = "<local symbol>";
2438 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2439 addend = rel->r_addend;
2443 relocation = (sec->output_section->vma
2444 + sec->output_offset
2450 /* External symbol. */
2453 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
2455 if (info->wrap_hash != NULL
2456 && (input_section->flags & SEC_DEBUGGING) != 0)
2457 h = ((struct elf_link_hash_entry *)
2458 unwrap_hash_lookup (info, input_bfd, &h->root));
2460 while (h->root.type == bfd_link_hash_indirect
2461 || h->root.type == bfd_link_hash_warning)
2462 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2463 sym_name = h->root.root.string;
2465 if (h->root.type == bfd_link_hash_defined
2466 || h->root.type == bfd_link_hash_defweak)
2469 sec = h->root.u.def.section;
2471 dyn = htab->root.dynamic_sections_created;
2472 sec = h->root.u.def.section;
2473 if (r_type == R_M32R_GOTPC24
2474 || (r_type == R_M32R_GOTPC_HI_ULO
2475 || r_type == R_M32R_GOTPC_HI_SLO
2476 || r_type == R_M32R_GOTPC_LO)
2477 || (r_type == R_M32R_26_PLTREL
2478 && h->plt.offset != (bfd_vma) -1)
2479 || ((r_type == R_M32R_GOT24
2480 || r_type == R_M32R_GOT16_HI_ULO
2481 || r_type == R_M32R_GOT16_HI_SLO
2482 || r_type == R_M32R_GOT16_LO)
2483 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2484 bfd_link_pic (info),
2486 && (! bfd_link_pic (info)
2487 || (! info->symbolic && h->dynindx != -1)
2488 || !h->def_regular))
2489 || (bfd_link_pic (info)
2490 && ((! info->symbolic && h->dynindx != -1)
2492 && (((r_type == R_M32R_16_RELA
2493 || r_type == R_M32R_32_RELA
2494 || r_type == R_M32R_24_RELA
2495 || r_type == R_M32R_HI16_ULO_RELA
2496 || r_type == R_M32R_HI16_SLO_RELA
2497 || r_type == R_M32R_LO16_RELA)
2498 && !h->forced_local)
2499 || r_type == R_M32R_REL32
2500 || r_type == R_M32R_10_PCREL_RELA
2501 || r_type == R_M32R_18_PCREL_RELA
2502 || r_type == R_M32R_26_PCREL_RELA)
2503 && ((input_section->flags & SEC_ALLOC) != 0
2504 /* DWARF will emit R_M32R_16(24,32) relocations
2505 in its sections against symbols defined
2506 externally in shared libraries. We can't do
2507 anything with them here. */
2508 || ((input_section->flags & SEC_DEBUGGING) != 0
2509 && h->def_dynamic))))
2511 /* In these cases, we don't need the relocation
2512 value. We check specially because in some
2513 obscure cases sec->output_section will be NULL. */
2515 else if (sec->output_section != NULL)
2516 relocation = (h->root.u.def.value
2517 + sec->output_section->vma
2518 + sec->output_offset);
2519 else if (!bfd_link_relocatable (info)
2520 && (_bfd_elf_section_offset (output_bfd, info,
2526 /* xgettext:c-format */
2527 (_("%pB(%pA+%#" PRIx64 "): unresolvable %s relocation "
2528 "against symbol `%s'"),
2531 (uint64_t) rel->r_offset,
2533 h->root.root.string);
2536 else if (h->root.type == bfd_link_hash_undefweak)
2538 else if (info->unresolved_syms_in_objects == RM_IGNORE
2539 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
2541 else if (!bfd_link_relocatable (info))
2542 (*info->callbacks->undefined_symbol)
2543 (info, h->root.root.string, input_bfd,
2544 input_section, offset,
2545 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
2546 || ELF_ST_VISIBILITY (h->other)));
2549 if (sec != NULL && discarded_section (sec))
2550 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2551 rel, 1, relend, howto, 0, contents);
2553 if (bfd_link_relocatable (info) && !use_rel)
2555 /* This is a relocatable link. We don't have to change
2556 anything, unless the reloc is against a section symbol,
2557 in which case we have to adjust according to where the
2558 section symbol winds up in the output section. */
2559 if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2560 rel->r_addend += sec->output_offset;
2564 if (bfd_link_relocatable (info) && use_rel)
2566 /* This is a relocatable link. We don't have to change
2567 anything, unless the reloc is against a section symbol,
2568 in which case we have to adjust according to where the
2569 section symbol winds up in the output section. */
2570 if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION)
2573 addend += sec->output_offset;
2575 /* If partial_inplace, we need to store any additional addend
2576 back in the section. */
2577 if (! howto->partial_inplace)
2579 /* ??? Here is a nice place to call a special_function
2581 if (r_type != R_M32R_HI16_SLO && r_type != R_M32R_HI16_ULO)
2582 r = _bfd_relocate_contents (howto, input_bfd,
2583 addend, contents + offset);
2586 Elf_Internal_Rela *lorel;
2588 /* We allow an arbitrary number of HI16 relocs before the
2589 LO16 reloc. This permits gcc to emit the HI and LO relocs
2591 for (lorel = rel + 1;
2593 && (ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_SLO
2594 || ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_ULO));
2598 && ELF32_R_TYPE (lorel->r_info) == R_M32R_LO16)
2600 m32r_elf_relocate_hi16 (input_bfd, r_type, rel, lorel,
2605 r = _bfd_relocate_contents (howto, input_bfd,
2606 addend, contents + offset);
2611 /* Sanity check the address. */
2612 if (offset > high_address)
2614 r = bfd_reloc_outofrange;
2618 switch ((int) r_type)
2621 /* Relocation is relative to the start of the global offset
2622 table (for ld24 rx, #uimm24). eg access at label+addend
2624 ld24 rx. #label@GOTOFF + addend
2627 BFD_ASSERT (sgot != NULL);
2629 relocation = -(relocation - sgot->output_section->vma);
2630 rel->r_addend = -rel->r_addend;
2633 case R_M32R_GOTOFF_HI_ULO:
2634 case R_M32R_GOTOFF_HI_SLO:
2635 case R_M32R_GOTOFF_LO:
2636 BFD_ASSERT (sgot != NULL);
2638 relocation -= sgot->output_section->vma;
2640 if ((r_type == R_M32R_GOTOFF_HI_SLO)
2641 && ((relocation + rel->r_addend) & 0x8000))
2642 rel->r_addend += 0x10000;
2645 case R_M32R_GOTPC24:
2646 /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
2647 ld24 rx,#_GLOBAL_OFFSET_TABLE_
2649 relocation = sgot->output_section->vma;
2652 case R_M32R_GOTPC_HI_ULO:
2653 case R_M32R_GOTPC_HI_SLO:
2654 case R_M32R_GOTPC_LO:
2656 /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
2658 seth rx,#high(_GLOBAL_OFFSET_TABLE_)
2659 or3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
2662 seth rx,#shigh(_GLOBAL_OFFSET_TABLE_)
2663 add3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
2665 relocation = sgot->output_section->vma;
2666 relocation -= (input_section->output_section->vma
2667 + input_section->output_offset
2669 if ((r_type == R_M32R_GOTPC_HI_SLO)
2670 && ((relocation + rel->r_addend) & 0x8000))
2671 rel->r_addend += 0x10000;
2675 case R_M32R_GOT16_HI_ULO:
2676 case R_M32R_GOT16_HI_SLO:
2677 case R_M32R_GOT16_LO:
2680 /* Relocation is to the entry for this symbol in the global
2682 BFD_ASSERT (sgot != NULL);
2689 off = h->got.offset;
2690 BFD_ASSERT (off != (bfd_vma) -1);
2692 dyn = htab->root.dynamic_sections_created;
2693 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2694 bfd_link_pic (info),
2696 || (bfd_link_pic (info)
2702 /* This is actually a static link, or it is a
2703 -Bsymbolic link and the symbol is defined
2704 locally, or the symbol was forced to be local
2705 because of a version file. We must initialize
2706 this entry in the global offset table. Since the
2707 offset must always be a multiple of 4, we use the
2708 least significant bit to record whether we have
2709 initialized it already.
2711 When doing a dynamic link, we create a .rela.got
2712 relocation entry to initialize the value. This
2713 is done in the finish_dynamic_symbol routine. */
2718 bfd_put_32 (output_bfd, relocation,
2719 sgot->contents + off);
2724 relocation = sgot->output_offset + off;
2731 BFD_ASSERT (local_got_offsets != NULL
2732 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2734 off = local_got_offsets[r_symndx];
2736 /* The offset must always be a multiple of 4. We use
2737 the least significant bit to record whether we have
2738 already processed this entry. */
2743 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
2745 if (bfd_link_pic (info))
2748 Elf_Internal_Rela outrel;
2750 /* We need to generate a R_M32R_RELATIVE reloc
2751 for the dynamic linker. */
2752 srelgot = htab->root.srelgot;
2753 BFD_ASSERT (srelgot != NULL);
2755 outrel.r_offset = (sgot->output_section->vma
2756 + sgot->output_offset
2758 outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
2759 outrel.r_addend = relocation;
2760 loc = srelgot->contents;
2761 loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
2762 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
2763 ++srelgot->reloc_count;
2766 local_got_offsets[r_symndx] |= 1;
2769 relocation = sgot->output_offset + off;
2771 if ((r_type == R_M32R_GOT16_HI_SLO)
2772 && ((relocation + rel->r_addend) & 0x8000))
2773 rel->r_addend += 0x10000;
2777 case R_M32R_26_PLTREL:
2778 /* Relocation is to the entry for this symbol in the
2779 procedure linkage table. */
2781 /* The native assembler will generate a 26_PLTREL reloc
2782 for a local symbol if you assemble a call from one
2783 section to another when using -K pic. */
2787 if (h->forced_local)
2790 if (h->plt.offset == (bfd_vma) -1)
2791 /* We didn't make a PLT entry for this symbol. This
2792 happens when statically linking PIC code, or when
2793 using -Bsymbolic. */
2796 relocation = (splt->output_section->vma
2797 + splt->output_offset
2801 case R_M32R_HI16_SLO_RELA:
2802 if ((relocation + rel->r_addend) & 0x8000)
2803 rel->r_addend += 0x10000;
2806 case R_M32R_16_RELA:
2807 case R_M32R_24_RELA:
2808 case R_M32R_32_RELA:
2810 case R_M32R_10_PCREL_RELA:
2811 case R_M32R_18_PCREL_RELA:
2812 case R_M32R_26_PCREL_RELA:
2813 case R_M32R_HI16_ULO_RELA:
2814 case R_M32R_LO16_RELA:
2815 if (bfd_link_pic (info)
2816 && r_symndx != STN_UNDEF
2817 && (input_section->flags & SEC_ALLOC) != 0
2818 && (( r_type != R_M32R_10_PCREL_RELA
2819 && r_type != R_M32R_18_PCREL_RELA
2820 && r_type != R_M32R_26_PCREL_RELA
2821 && r_type != R_M32R_REL32)
2824 && (! info->symbolic
2825 || !h->def_regular))))
2827 Elf_Internal_Rela outrel;
2828 bfd_boolean skip, relocate;
2831 /* When generating a shared object, these relocations
2832 are copied into the output file to be resolved at run
2836 sreloc = _bfd_elf_get_dynamic_reloc_section
2837 (input_bfd, input_section, /*rela?*/ TRUE);
2845 outrel.r_offset = _bfd_elf_section_offset (output_bfd,
2849 if (outrel.r_offset == (bfd_vma) -1)
2851 else if (outrel.r_offset == (bfd_vma) -2)
2852 skip = relocate = TRUE;
2853 outrel.r_offset += (input_section->output_section->vma
2854 + input_section->output_offset);
2857 memset (&outrel, 0, sizeof outrel);
2858 else if ( r_type == R_M32R_10_PCREL_RELA
2859 || r_type == R_M32R_18_PCREL_RELA
2860 || r_type == R_M32R_26_PCREL_RELA
2861 || r_type == R_M32R_REL32)
2863 BFD_ASSERT (h != NULL && h->dynindx != -1);
2864 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2865 outrel.r_addend = rel->r_addend;
2869 /* h->dynindx may be -1 if this symbol was marked to
2872 || ((info->symbolic || h->dynindx == -1)
2876 outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
2877 outrel.r_addend = relocation + rel->r_addend;
2881 BFD_ASSERT (h->dynindx != -1);
2882 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2883 outrel.r_addend = relocation + rel->r_addend;
2887 loc = sreloc->contents;
2888 loc += sreloc->reloc_count * sizeof (Elf32_External_Rela);
2889 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
2890 ++sreloc->reloc_count;
2892 /* If this reloc is against an external symbol, we do
2893 not want to fiddle with the addend. Otherwise, we
2894 need to include the symbol value so that it becomes
2895 an addend for the dynamic reloc. */
2900 else if (r_type != R_M32R_10_PCREL_RELA)
2904 case (int) R_M32R_10_PCREL :
2905 r = m32r_elf_do_10_pcrel_reloc (input_bfd, howto, input_section,
2907 sec, relocation, addend);
2910 case (int) R_M32R_HI16_SLO :
2911 case (int) R_M32R_HI16_ULO :
2913 Elf_Internal_Rela *lorel;
2915 /* We allow an arbitrary number of HI16 relocs before the
2916 LO16 reloc. This permits gcc to emit the HI and LO relocs
2918 for (lorel = rel + 1;
2920 && (ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_SLO
2921 || ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_ULO));
2925 && ELF32_R_TYPE (lorel->r_info) == R_M32R_LO16)
2927 m32r_elf_relocate_hi16 (input_bfd, r_type, rel, lorel,
2928 contents, relocation + addend);
2932 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2934 relocation, addend);
2939 case (int) R_M32R_SDA16_RELA:
2940 case (int) R_M32R_SDA16 :
2944 BFD_ASSERT (sec != NULL);
2945 name = bfd_get_section_name (sec->owner, sec);
2947 if ( strcmp (name, ".sdata") == 0
2948 || strcmp (name, ".sbss") == 0
2949 || strcmp (name, ".scommon") == 0)
2952 bfd *out_bfd = sec->output_section->owner;
2954 r = m32r_elf_final_sda_base (out_bfd, info,
2957 if (r != bfd_reloc_ok)
2963 /* At this point `relocation' contains the object's
2965 relocation -= sda_base;
2966 /* Now it contains the offset from _SDA_BASE_. */
2971 /* xgettext:c-format */
2972 (_("%pB: the target (%s) of an %s relocation"
2973 " is in the wrong section (%pA)"),
2976 m32r_elf_howto_table[(int) r_type].name,
2978 /*bfd_set_error (bfd_error_bad_value); ??? why? */
2985 default : /* OLD_M32R_RELOC */
2987 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2989 relocation, addend);
2993 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
2994 contents, rel->r_offset,
2995 relocation, rel->r_addend);
3001 if (r != bfd_reloc_ok)
3003 /* FIXME: This should be generic enough to go in a utility. */
3007 name = h->root.root.string;
3010 name = (bfd_elf_string_from_elf_section
3011 (input_bfd, symtab_hdr->sh_link, sym->st_name));
3012 if (name == NULL || *name == '\0')
3013 name = bfd_section_name (input_bfd, sec);
3021 case bfd_reloc_overflow:
3022 (*info->callbacks->reloc_overflow)
3023 (info, (h ? &h->root : NULL), name, howto->name,
3024 (bfd_vma) 0, input_bfd, input_section, offset);
3027 case bfd_reloc_undefined:
3028 (*info->callbacks->undefined_symbol)
3029 (info, name, input_bfd, input_section, offset, TRUE);
3032 case bfd_reloc_outofrange:
3033 errmsg = _("internal error: out of range error");
3036 case bfd_reloc_notsupported:
3037 errmsg = _("internal error: unsupported relocation error");
3040 case bfd_reloc_dangerous:
3041 errmsg = _("internal error: dangerous error");
3045 errmsg = _("internal error: unknown error");
3049 (*info->callbacks->warning) (info, errmsg, name, input_bfd,
3050 input_section, offset);
3059 /* Finish up dynamic symbol handling. We set the contents of various
3060 dynamic sections here. */
3063 m32r_elf_finish_dynamic_symbol (bfd *output_bfd,
3064 struct bfd_link_info *info,
3065 struct elf_link_hash_entry *h,
3066 Elf_Internal_Sym *sym)
3068 struct elf_m32r_link_hash_table *htab;
3072 printf ("m32r_elf_finish_dynamic_symbol()\n");
3075 htab = m32r_elf_hash_table (info);
3079 if (h->plt.offset != (bfd_vma) -1)
3087 Elf_Internal_Rela rela;
3089 /* This symbol has an entry in the procedure linkage table. Set
3092 BFD_ASSERT (h->dynindx != -1);
3094 splt = htab->root.splt;
3095 sgot = htab->root.sgotplt;
3096 srela = htab->root.srelplt;
3097 BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
3099 /* Get the index in the procedure linkage table which
3100 corresponds to this symbol. This is the index of this symbol
3101 in all the symbols for which we are making plt entries. The
3102 first entry in the procedure linkage table is reserved. */
3103 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
3105 /* Get the offset into the .got table of the entry that
3106 corresponds to this function. Each .got entry is 4 bytes.
3107 The first three are reserved. */
3108 got_offset = (plt_index + 3) * 4;
3110 /* Fill in the entry in the procedure linkage table. */
3111 if (! bfd_link_pic (info))
3113 bfd_put_32 (output_bfd,
3115 + (((sgot->output_section->vma
3116 + sgot->output_offset
3117 + got_offset) >> 16) & 0xffff)),
3118 splt->contents + h->plt.offset);
3119 bfd_put_32 (output_bfd,
3121 + ((sgot->output_section->vma
3122 + sgot->output_offset
3123 + got_offset) & 0xffff)),
3124 splt->contents + h->plt.offset + 4);
3125 bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
3126 splt->contents + h->plt.offset + 8);
3127 bfd_put_32 (output_bfd,
3129 + plt_index * sizeof (Elf32_External_Rela)),
3130 splt->contents + h->plt.offset + 12);
3131 bfd_put_32 (output_bfd,
3133 + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
3134 splt->contents + h->plt.offset + 16);
3138 bfd_put_32 (output_bfd,
3139 PLT_ENTRY_WORD0 + got_offset,
3140 splt->contents + h->plt.offset);
3141 bfd_put_32 (output_bfd, PLT_ENTRY_WORD1,
3142 splt->contents + h->plt.offset + 4);
3143 bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
3144 splt->contents + h->plt.offset + 8);
3145 bfd_put_32 (output_bfd,
3147 + plt_index * sizeof (Elf32_External_Rela)),
3148 splt->contents + h->plt.offset + 12);
3149 bfd_put_32 (output_bfd,
3151 + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
3152 splt->contents + h->plt.offset + 16);
3155 /* Fill in the entry in the global offset table. */
3156 bfd_put_32 (output_bfd,
3157 (splt->output_section->vma
3158 + splt->output_offset
3160 + 12), /* same offset */
3161 sgot->contents + got_offset);
3163 /* Fill in the entry in the .rela.plt section. */
3164 rela.r_offset = (sgot->output_section->vma
3165 + sgot->output_offset
3167 rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_JMP_SLOT);
3169 loc = srela->contents;
3170 loc += plt_index * sizeof (Elf32_External_Rela);
3171 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3173 if (!h->def_regular)
3175 /* Mark the symbol as undefined, rather than as defined in
3176 the .plt section. Leave the value alone. */
3177 sym->st_shndx = SHN_UNDEF;
3181 if (h->got.offset != (bfd_vma) -1)
3185 Elf_Internal_Rela rela;
3187 /* This symbol has an entry in the global offset table. Set it
3190 sgot = htab->root.sgot;
3191 srela = htab->root.srelgot;
3192 BFD_ASSERT (sgot != NULL && srela != NULL);
3194 rela.r_offset = (sgot->output_section->vma
3195 + sgot->output_offset
3196 + (h->got.offset &~ 1));
3198 /* If this is a -Bsymbolic link, and the symbol is defined
3199 locally, we just want to emit a RELATIVE reloc. Likewise if
3200 the symbol was forced to be local because of a version file.
3201 The entry in the global offset table will already have been
3202 initialized in the relocate_section function. */
3203 if (bfd_link_pic (info)
3209 rela.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
3210 rela.r_addend = (h->root.u.def.value
3211 + h->root.u.def.section->output_section->vma
3212 + h->root.u.def.section->output_offset);
3216 BFD_ASSERT ((h->got.offset & 1) == 0);
3217 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
3218 rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_GLOB_DAT);
3222 loc = srela->contents;
3223 loc += srela->reloc_count * sizeof (Elf32_External_Rela);
3224 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3225 ++srela->reloc_count;
3231 Elf_Internal_Rela rela;
3233 /* This symbols needs a copy reloc. Set it up. */
3235 BFD_ASSERT (h->dynindx != -1
3236 && (h->root.type == bfd_link_hash_defined
3237 || h->root.type == bfd_link_hash_defweak));
3239 s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
3240 BFD_ASSERT (s != NULL);
3242 rela.r_offset = (h->root.u.def.value
3243 + h->root.u.def.section->output_section->vma
3244 + h->root.u.def.section->output_offset);
3245 rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_COPY);
3248 loc += s->reloc_count * sizeof (Elf32_External_Rela);
3249 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3253 /* Mark some specially defined symbols as absolute. */
3254 if (h == htab->root.hdynamic || h == htab->root.hgot)
3255 sym->st_shndx = SHN_ABS;
3261 /* Finish up the dynamic sections. */
3264 m32r_elf_finish_dynamic_sections (bfd *output_bfd,
3265 struct bfd_link_info *info)
3267 struct elf_m32r_link_hash_table *htab;
3273 printf ("m32r_elf_finish_dynamic_sections()\n");
3276 htab = m32r_elf_hash_table (info);
3280 dynobj = htab->root.dynobj;
3282 sgot = htab->root.sgotplt;
3283 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3285 if (htab->root.dynamic_sections_created)
3288 Elf32_External_Dyn *dyncon, *dynconend;
3290 BFD_ASSERT (sgot != NULL && sdyn != NULL);
3292 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3293 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3295 for (; dyncon < dynconend; dyncon++)
3297 Elf_Internal_Dyn dyn;
3300 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3308 s = htab->root.sgotplt;
3311 s = htab->root.srelplt;
3313 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3314 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3318 s = htab->root.srelplt;
3319 dyn.d_un.d_val = s->size;
3320 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3325 /* Fill in the first entry in the procedure linkage table. */
3326 splt = htab->root.splt;
3327 if (splt && splt->size > 0)
3329 if (bfd_link_pic (info))
3331 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
3332 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
3333 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
3334 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
3335 bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
3340 /* addr = .got + 4 */
3341 addr = sgot->output_section->vma + sgot->output_offset + 4;
3342 bfd_put_32 (output_bfd,
3343 PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
3345 bfd_put_32 (output_bfd,
3346 PLT0_ENTRY_WORD1 | (addr & 0xffff),
3347 splt->contents + 4);
3348 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
3349 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
3350 bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
3353 elf_section_data (splt->output_section)->this_hdr.sh_entsize =
3358 /* Fill in the first three entries in the global offset table. */
3359 if (sgot && sgot->size > 0)
3362 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
3364 bfd_put_32 (output_bfd,
3365 sdyn->output_section->vma + sdyn->output_offset,
3367 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
3368 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
3370 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
3377 /* Set the right machine number. */
3380 m32r_elf_object_p (bfd *abfd)
3382 switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH)
3385 case E_M32R_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32r); break;
3386 case E_M32RX_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32rx); break;
3387 case E_M32R2_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32r2); break;
3392 /* Store the machine number in the flags field. */
3395 m32r_elf_final_write_processing (bfd *abfd,
3396 bfd_boolean linker ATTRIBUTE_UNUSED)
3400 switch (bfd_get_mach (abfd))
3403 case bfd_mach_m32r: val = E_M32R_ARCH; break;
3404 case bfd_mach_m32rx: val = E_M32RX_ARCH; break;
3405 case bfd_mach_m32r2: val = E_M32R2_ARCH; break;
3408 elf_elfheader (abfd)->e_flags &=~ EF_M32R_ARCH;
3409 elf_elfheader (abfd)->e_flags |= val;
3412 /* Function to keep M32R specific file flags. */
3415 m32r_elf_set_private_flags (bfd *abfd, flagword flags)
3417 BFD_ASSERT (!elf_flags_init (abfd)
3418 || elf_elfheader (abfd)->e_flags == flags);
3420 elf_elfheader (abfd)->e_flags = flags;
3421 elf_flags_init (abfd) = TRUE;
3425 /* Merge backend specific data from an object file to the output
3426 object file when linking. */
3429 m32r_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
3431 bfd *obfd = info->output_bfd;
3435 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3436 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
3439 in_flags = elf_elfheader (ibfd)->e_flags;
3440 out_flags = elf_elfheader (obfd)->e_flags;
3442 if (! elf_flags_init (obfd))
3444 /* If the input is the default architecture then do not
3445 bother setting the flags for the output architecture,
3446 instead allow future merges to do this. If no future
3447 merges ever set these flags then they will retain their
3448 unitialised values, which surprise surprise, correspond
3449 to the default values. */
3450 if (bfd_get_arch_info (ibfd)->the_default)
3453 elf_flags_init (obfd) = TRUE;
3454 elf_elfheader (obfd)->e_flags = in_flags;
3456 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
3457 && bfd_get_arch_info (obfd)->the_default)
3458 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
3459 bfd_get_mach (ibfd));
3464 /* Check flag compatibility. */
3465 if (in_flags == out_flags)
3468 if ((in_flags & EF_M32R_ARCH) != (out_flags & EF_M32R_ARCH))
3470 if ( ((in_flags & EF_M32R_ARCH) != E_M32R_ARCH)
3471 || ((out_flags & EF_M32R_ARCH) == E_M32R_ARCH)
3472 || ((in_flags & EF_M32R_ARCH) == E_M32R2_ARCH))
3475 (_("%pB: instruction set mismatch with previous modules"), ibfd);
3477 bfd_set_error (bfd_error_bad_value);
3485 /* Display the flags field. */
3488 m32r_elf_print_private_bfd_data (bfd *abfd, void * ptr)
3490 FILE * file = (FILE *) ptr;
3492 BFD_ASSERT (abfd != NULL && ptr != NULL);
3494 _bfd_elf_print_private_bfd_data (abfd, ptr);
3496 fprintf (file, _("private flags = %lx"), elf_elfheader (abfd)->e_flags);
3498 switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH)
3501 case E_M32R_ARCH: fprintf (file, _(": m32r instructions")); break;
3502 case E_M32RX_ARCH: fprintf (file, _(": m32rx instructions")); break;
3503 case E_M32R2_ARCH: fprintf (file, _(": m32r2 instructions")); break;
3512 m32r_elf_gc_mark_hook (asection *sec,
3513 struct bfd_link_info *info,
3514 Elf_Internal_Rela *rel,
3515 struct elf_link_hash_entry *h,
3516 Elf_Internal_Sym *sym)
3519 switch (ELF32_R_TYPE (rel->r_info))
3521 case R_M32R_GNU_VTINHERIT:
3522 case R_M32R_GNU_VTENTRY:
3523 case R_M32R_RELA_GNU_VTINHERIT:
3524 case R_M32R_RELA_GNU_VTENTRY:
3528 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
3531 /* Look through the relocs for a section during the first phase.
3532 Since we don't do .gots or .plts, we just need to consider the
3533 virtual table relocs for gc. */
3536 m32r_elf_check_relocs (bfd *abfd,
3537 struct bfd_link_info *info,
3539 const Elf_Internal_Rela *relocs)
3541 Elf_Internal_Shdr *symtab_hdr;
3542 struct elf_link_hash_entry **sym_hashes;
3543 const Elf_Internal_Rela *rel;
3544 const Elf_Internal_Rela *rel_end;
3545 struct elf_m32r_link_hash_table *htab;
3549 if (bfd_link_relocatable (info))
3552 /* Don't do anything special with non-loaded, non-alloced sections.
3553 In particular, any relocs in such sections should not affect GOT
3554 and PLT reference counting (ie. we don't allow them to create GOT
3555 or PLT entries), there's no possibility or desire to optimize TLS
3556 relocs, and there's not much point in propagating relocs to shared
3557 libs that the dynamic linker won't relocate. */
3558 if ((sec->flags & SEC_ALLOC) == 0)
3562 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3563 sym_hashes = elf_sym_hashes (abfd);
3565 htab = m32r_elf_hash_table (info);
3569 dynobj = htab->root.dynobj;
3571 rel_end = relocs + sec->reloc_count;
3572 for (rel = relocs; rel < rel_end; rel++)
3575 struct elf_link_hash_entry *h;
3576 unsigned long r_symndx;
3578 r_symndx = ELF32_R_SYM (rel->r_info);
3579 r_type = ELF32_R_TYPE (rel->r_info);
3580 if (r_symndx < symtab_hdr->sh_info)
3584 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
3585 while (h->root.type == bfd_link_hash_indirect
3586 || h->root.type == bfd_link_hash_warning)
3587 h = (struct elf_link_hash_entry *) h->root.u.i.link;
3590 /* Some relocs require a global offset table. */
3591 if (htab->root.sgot == NULL)
3595 case R_M32R_GOT16_HI_ULO:
3596 case R_M32R_GOT16_HI_SLO:
3598 case R_M32R_GOTOFF_HI_ULO:
3599 case R_M32R_GOTOFF_HI_SLO:
3600 case R_M32R_GOTOFF_LO:
3601 case R_M32R_GOT16_LO:
3602 case R_M32R_GOTPC24:
3603 case R_M32R_GOTPC_HI_ULO:
3604 case R_M32R_GOTPC_HI_SLO:
3605 case R_M32R_GOTPC_LO:
3608 htab->root.dynobj = dynobj = abfd;
3609 if (!_bfd_elf_create_got_section (dynobj, info))
3620 case R_M32R_GOT16_HI_ULO:
3621 case R_M32R_GOT16_HI_SLO:
3622 case R_M32R_GOT16_LO:
3626 h->got.refcount += 1;
3629 bfd_signed_vma *local_got_refcounts;
3631 /* This is a global offset table entry for a local
3633 local_got_refcounts = elf_local_got_refcounts (abfd);
3634 if (local_got_refcounts == NULL)
3638 size = symtab_hdr->sh_info;
3639 size *= sizeof (bfd_signed_vma);
3640 local_got_refcounts = bfd_zalloc (abfd, size);
3641 if (local_got_refcounts == NULL)
3643 elf_local_got_refcounts (abfd) = local_got_refcounts;
3645 local_got_refcounts[r_symndx] += 1;
3649 case R_M32R_26_PLTREL:
3650 /* This symbol requires a procedure linkage table entry. We
3651 actually build the entry in adjust_dynamic_symbol,
3652 because this might be a case of linking PIC code without
3653 linking in any dynamic objects, in which case we don't
3654 need to generate a procedure linkage table after all. */
3656 /* If this is a local symbol, we resolve it directly without
3657 creating a procedure linkage table entry. */
3661 if (h->forced_local)
3665 h->plt.refcount += 1;
3668 case R_M32R_16_RELA:
3669 case R_M32R_24_RELA:
3670 case R_M32R_32_RELA:
3672 case R_M32R_HI16_ULO_RELA:
3673 case R_M32R_HI16_SLO_RELA:
3674 case R_M32R_LO16_RELA:
3675 case R_M32R_SDA16_RELA:
3676 case R_M32R_10_PCREL_RELA:
3677 case R_M32R_18_PCREL_RELA:
3678 case R_M32R_26_PCREL_RELA:
3680 if (h != NULL && !bfd_link_pic (info))
3683 h->plt.refcount += 1;
3686 /* If we are creating a shared library, and this is a reloc
3687 against a global symbol, or a non PC relative reloc
3688 against a local symbol, then we need to copy the reloc
3689 into the shared library. However, if we are linking with
3690 -Bsymbolic, we do not need to copy a reloc against a
3691 global symbol which is defined in an object we are
3692 including in the link (i.e., DEF_REGULAR is set). At
3693 this point we have not seen all the input files, so it is
3694 possible that DEF_REGULAR is not set now but will be set
3695 later (it is never cleared). We account for that
3696 possibility below by storing information in the
3697 dyn_relocs field of the hash table entry. A similar
3698 situation occurs when creating shared libraries and symbol
3699 visibility changes render the symbol local.
3701 If on the other hand, we are creating an executable, we
3702 may need to keep relocations for symbols satisfied by a
3703 dynamic library if we manage to avoid copy relocs for the
3705 if ((bfd_link_pic (info)
3706 && (sec->flags & SEC_ALLOC) != 0
3707 && (( r_type != R_M32R_26_PCREL_RELA
3708 && r_type != R_M32R_18_PCREL_RELA
3709 && r_type != R_M32R_10_PCREL_RELA
3710 && r_type != R_M32R_REL32)
3712 && (! info->symbolic
3713 || h->root.type == bfd_link_hash_defweak
3714 || !h->def_regular))))
3715 || (!bfd_link_pic (info)
3716 && (sec->flags & SEC_ALLOC) != 0
3718 && (h->root.type == bfd_link_hash_defweak
3719 || !h->def_regular)))
3721 struct elf_dyn_relocs *p;
3722 struct elf_dyn_relocs **head;
3725 htab->root.dynobj = dynobj = abfd;
3727 /* When creating a shared object, we must copy these
3728 relocs into the output file. We create a reloc
3729 section in dynobj and make room for the reloc. */
3732 sreloc = _bfd_elf_make_dynamic_reloc_section
3733 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
3739 /* If this is a global symbol, we count the number of
3740 relocations we need for this symbol. */
3742 head = &((struct elf_m32r_link_hash_entry *) h)->dyn_relocs;
3745 /* Track dynamic relocs needed for local syms too. */
3748 Elf_Internal_Sym *isym;
3750 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
3755 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
3759 vpp = &elf_section_data (s)->local_dynrel;
3760 head = (struct elf_dyn_relocs **) vpp;
3764 if (p == NULL || p->sec != sec)
3766 bfd_size_type amt = sizeof (*p);
3768 p = bfd_alloc (dynobj, amt);
3779 if ( ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
3780 || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA
3781 || ELF32_R_TYPE (rel->r_info) == R_M32R_10_PCREL_RELA
3782 || ELF32_R_TYPE (rel->r_info) == R_M32R_REL32)
3787 /* This relocation describes the C++ object vtable hierarchy.
3788 Reconstruct it for later use during GC. */
3789 case R_M32R_RELA_GNU_VTINHERIT:
3790 case R_M32R_GNU_VTINHERIT:
3791 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
3795 /* This relocation describes which C++ vtable entries are actually
3796 used. Record for later use during GC. */
3797 case R_M32R_GNU_VTENTRY:
3798 BFD_ASSERT (h != NULL);
3800 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
3803 case R_M32R_RELA_GNU_VTENTRY:
3804 BFD_ASSERT (h != NULL);
3806 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
3815 static const struct bfd_elf_special_section m32r_elf_special_sections[] =
3817 { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
3818 { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
3819 { NULL, 0, 0, 0, 0 }
3822 static enum elf_reloc_type_class
3823 m32r_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
3824 const asection *rel_sec ATTRIBUTE_UNUSED,
3825 const Elf_Internal_Rela *rela)
3827 switch ((int) ELF32_R_TYPE (rela->r_info))
3829 case R_M32R_RELATIVE: return reloc_class_relative;
3830 case R_M32R_JMP_SLOT: return reloc_class_plt;
3831 case R_M32R_COPY: return reloc_class_copy;
3832 default: return reloc_class_normal;
3836 #define ELF_ARCH bfd_arch_m32r
3837 #define ELF_TARGET_ID M32R_ELF_DATA
3838 #define ELF_MACHINE_CODE EM_M32R
3839 #define ELF_MACHINE_ALT1 EM_CYGNUS_M32R
3840 #define ELF_MAXPAGESIZE 0x1 /* Explicitly requested by Mitsubishi. */
3842 #define TARGET_BIG_SYM m32r_elf32_vec
3843 #define TARGET_BIG_NAME "elf32-m32r"
3844 #define TARGET_LITTLE_SYM m32r_elf32_le_vec
3845 #define TARGET_LITTLE_NAME "elf32-m32rle"
3847 #define elf_info_to_howto m32r_info_to_howto
3848 #define elf_info_to_howto_rel m32r_info_to_howto_rel
3849 #define elf_backend_section_from_bfd_section _bfd_m32r_elf_section_from_bfd_section
3850 #define elf_backend_symbol_processing _bfd_m32r_elf_symbol_processing
3851 #define elf_backend_add_symbol_hook m32r_elf_add_symbol_hook
3852 #define elf_backend_relocate_section m32r_elf_relocate_section
3853 #define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook
3854 #define elf_backend_check_relocs m32r_elf_check_relocs
3856 #define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections
3857 #define bfd_elf32_bfd_link_hash_table_create m32r_elf_link_hash_table_create
3858 #define elf_backend_size_dynamic_sections m32r_elf_size_dynamic_sections
3859 #define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all
3860 #define elf_backend_finish_dynamic_sections m32r_elf_finish_dynamic_sections
3861 #define elf_backend_adjust_dynamic_symbol m32r_elf_adjust_dynamic_symbol
3862 #define elf_backend_finish_dynamic_symbol m32r_elf_finish_dynamic_symbol
3863 #define elf_backend_reloc_type_class m32r_elf_reloc_type_class
3864 #define elf_backend_copy_indirect_symbol m32r_elf_copy_indirect_symbol
3866 #define elf_backend_can_gc_sections 1
3868 #define elf_backend_rela_normal 1
3870 #define elf_backend_can_refcount 1
3871 #define elf_backend_want_got_plt 1
3872 #define elf_backend_plt_readonly 1
3873 #define elf_backend_want_plt_sym 0
3874 #define elf_backend_got_header_size 12
3875 #define elf_backend_dtrel_excludes_plt 1
3877 #define elf_backend_may_use_rel_p 1
3878 #ifdef USE_M32R_OLD_RELOC
3879 #define elf_backend_default_use_rela_p 0
3880 #define elf_backend_may_use_rela_p 0
3882 #define elf_backend_default_use_rela_p 1
3883 #define elf_backend_may_use_rela_p 1
3886 #define elf_backend_object_p m32r_elf_object_p
3887 #define elf_backend_final_write_processing m32r_elf_final_write_processing
3888 #define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data
3889 #define bfd_elf32_bfd_set_private_flags m32r_elf_set_private_flags
3890 #define bfd_elf32_bfd_print_private_bfd_data m32r_elf_print_private_bfd_data
3891 #define elf_backend_special_sections m32r_elf_special_sections
3893 #define elf_backend_linux_prpsinfo32_ugid16 TRUE
3895 #include "elf32-target.h"
3897 #undef ELF_MAXPAGESIZE
3898 #define ELF_MAXPAGESIZE 0x1000
3900 #undef TARGET_BIG_SYM
3901 #define TARGET_BIG_SYM m32r_elf32_linux_vec
3902 #undef TARGET_BIG_NAME
3903 #define TARGET_BIG_NAME "elf32-m32r-linux"
3904 #undef TARGET_LITTLE_SYM
3905 #define TARGET_LITTLE_SYM m32r_elf32_linux_le_vec
3906 #undef TARGET_LITTLE_NAME
3907 #define TARGET_LITTLE_NAME "elf32-m32rle-linux"
3909 #define elf32_bed elf32_m32r_lin_bed
3911 #include "elf32-target.h"