/* M32R-specific support for 32-bit ELF.
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/m32r.h"
-static bfd_reloc_status_type m32r_elf_10_pcrel_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type m32r_elf_do_10_pcrel_reloc
- PARAMS ((bfd *, reloc_howto_type *, asection *,
- bfd_byte *, bfd_vma, asection *, bfd_vma, bfd_vma));
-static bfd_reloc_status_type m32r_elf_hi16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static void m32r_elf_relocate_hi16
- PARAMS ((bfd *, int, Elf_Internal_Rela *, Elf_Internal_Rela *,
- bfd_byte *, bfd_vma));
-bfd_reloc_status_type m32r_elf_lo16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-bfd_reloc_status_type m32r_elf_generic_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type m32r_elf_sda16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
-static void m32r_info_to_howto_rel
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static void m32r_info_to_howto
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-bfd_boolean _bfd_m32r_elf_section_from_bfd_section
- PARAMS ((bfd *, asection *, int *));
-void _bfd_m32r_elf_symbol_processing
- PARAMS ((bfd *, asymbol *));
-static bfd_boolean m32r_elf_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
- const char **, flagword *, asection **, bfd_vma *));
-static bfd_boolean m32r_elf_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-#if 0 /* not yet */
-static bfd_boolean m32r_elf_relax_delete_bytes
- PARAMS ((bfd *, asection *, bfd_vma, int));
-#endif
-static bfd_reloc_status_type m32r_elf_final_sda_base
- PARAMS ((bfd *, struct bfd_link_info *, const char **, bfd_vma *));
-static bfd_boolean m32r_elf_object_p
- PARAMS ((bfd *));
-static void m32r_elf_final_write_processing
- PARAMS ((bfd *, bfd_boolean));
-static bfd_boolean m32r_elf_set_private_flags
- PARAMS ((bfd *, flagword));
-static bfd_boolean m32r_elf_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static bfd_boolean m32r_elf_print_private_bfd_data
- PARAMS ((bfd *, PTR));
-static bfd_boolean m32r_elf_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_boolean m32r_elf_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-
-static bfd_boolean m32r_elf_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static bfd_boolean m32r_elf_size_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-asection * m32r_elf_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-
-static bfd_boolean m32r_elf_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static bfd_boolean m32r_elf_finish_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static bfd_boolean m32r_elf_finish_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *));
-
-static bfd_boolean allocate_dynrelocs
- PARAMS ((struct elf_link_hash_entry *, PTR));
-static bfd_boolean readonly_dynrelocs
- PARAMS ((struct elf_link_hash_entry *, PTR));
-static enum elf_reloc_type_class m32r_elf_reloc_type_class
- PARAMS ((const Elf_Internal_Rela *));
-static bfd_boolean m32r_elf_fake_sections
- PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
-
#define NOP_INSN 0x7000
#define MAKE_PARALLEL(insn) ((insn) | 0x8000)
#ifndef USE_REL
#define USE_REL 0
#endif */
-/* Use RELA. But use REL to link old objects for backwords compatibility. */
+/* Use RELA. But use REL to link old objects for backwords compatibility. */
/* Functions for the M32R ELF linker. */
and the initial contents are unimportant (we zero them out).
Subsequent entries look like this. */
-#define PLT0_ENTRY_WORD0 0xd6c00000 /* seth r6, #high(.got+4) */
-#define PLT0_ENTRY_WORD1 0x86e60000 /* or3 r6, r6, #low(.got)+4) */
-#define PLT0_ENTRY_WORD2 0x24e626c6 /* ld r4, @r6+ -> ld r6, @r6 */
-#define PLT0_ENTRY_WORD3 0x1fc6f000 /* jmp r6 || pnop */
-#define PLT0_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
+#define PLT0_ENTRY_WORD0 0xd6c00000 /* seth r6, #high(.got+4) */
+#define PLT0_ENTRY_WORD1 0x86e60000 /* or3 r6, r6, #low(.got)+4) */
+#define PLT0_ENTRY_WORD2 0x24e626c6 /* ld r4, @r6+ -> ld r6, @r6 */
+#define PLT0_ENTRY_WORD3 0x1fc6f000 /* jmp r6 || pnop */
+#define PLT0_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
-#define PLT0_PIC_ENTRY_WORD0 0xa4cc0004 /* ld r4, @(4,r12) */
-#define PLT0_PIC_ENTRY_WORD1 0xa6cc0008 /* ld r6, @(8,r12) */
-#define PLT0_PIC_ENTRY_WORD2 0x1fc6f000 /* jmp r6 || nop */
-#define PLT0_PIC_ENTRY_WORD3 PLT_EMPTY /* RIE -> RIE */
-#define PLT0_PIC_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
+#define PLT0_PIC_ENTRY_WORD0 0xa4cc0004 /* ld r4, @(4,r12) */
+#define PLT0_PIC_ENTRY_WORD1 0xa6cc0008 /* ld r6, @(8,r12) */
+#define PLT0_PIC_ENTRY_WORD2 0x1fc6f000 /* jmp r6 || nop */
+#define PLT0_PIC_ENTRY_WORD3 PLT_EMPTY /* RIE -> RIE */
+#define PLT0_PIC_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
-#define PLT_ENTRY_WORD0 0xe6000000 /* ld24 r6, .name_in_GOT */
-#define PLT_ENTRY_WORD1 0x06acf000 /* add r6, r12 || nop */
-#define PLT_ENTRY_WORD0b 0xd6c00000 /* seth r6, #high(.name_in_GOT) */
-#define PLT_ENTRY_WORD1b 0x86e60000 /* or3 r6, r6, #low(.name_in_GOT) */
-#define PLT_ENTRY_WORD2 0x26c61fc6 /* ld r6, @r6 -> jmp r6 */
-#define PLT_ENTRY_WORD3 0xe5000000 /* ld24 r5, $offset */
-#define PLT_ENTRY_WORD4 0xff000000 /* bra .plt0. */
+#define PLT_ENTRY_WORD0 0xe6000000 /* ld24 r6, .name_in_GOT */
+#define PLT_ENTRY_WORD1 0x06acf000 /* add r6, r12 || nop */
+#define PLT_ENTRY_WORD0b 0xd6c00000 /* seth r6, #high(.name_in_GOT) */
+#define PLT_ENTRY_WORD1b 0x86e60000 /* or3 r6, r6, #low(.name_in_GOT) */
+#define PLT_ENTRY_WORD2 0x26c61fc6 /* ld r6, @r6 -> jmp r6 */
+#define PLT_ENTRY_WORD3 0xe5000000 /* ld24 r5, $offset */
+#define PLT_ENTRY_WORD4 0xff000000 /* bra .plt0. */
-static reloc_howto_type m32r_elf_howto_table[] =
+/* Utility to actually perform an R_M32R_10_PCREL reloc. */
+
+static bfd_reloc_status_type
+m32r_elf_do_10_pcrel_reloc (bfd *abfd,
+ reloc_howto_type *howto,
+ asection *input_section,
+ bfd_byte *data,
+ bfd_vma offset,
+ asection *symbol_section ATTRIBUTE_UNUSED,
+ bfd_vma symbol_value,
+ bfd_vma addend)
{
- /* This reloc does nothing. */
- HOWTO (R_M32R_NONE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ bfd_signed_vma relocation;
+ unsigned long x;
+ bfd_reloc_status_type status;
- /* A 16 bit absolute relocation. */
- HOWTO (R_M32R_16, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- m32r_elf_generic_reloc,/* special_function */
- "R_M32R_16", /* name */
- TRUE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ /* Sanity check the address (offset in section). */
+ if (offset > bfd_get_section_limit (abfd, input_section))
+ return bfd_reloc_outofrange;
- /* A 32 bit absolute relocation. */
- HOWTO (R_M32R_32, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- m32r_elf_generic_reloc,/* special_function */
- "R_M32R_32", /* name */
- TRUE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ relocation = symbol_value + addend;
+ /* Make it pc relative. */
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset);
+ /* These jumps mask off the lower two bits of the current address
+ before doing pcrel calculations. */
+ relocation -= (offset & -(bfd_vma) 4);
- /* A 24 bit address. */
- HOWTO (R_M32R_24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 24, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- m32r_elf_generic_reloc,/* special_function */
- "R_M32R_24", /* name */
- TRUE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ if (relocation < -0x200 || relocation > 0x1ff)
+ status = bfd_reloc_overflow;
+ else
+ status = bfd_reloc_ok;
- /* An PC Relative 10-bit relocation, shifted by 2.
- This reloc is complicated because relocations are relative to pc & -4.
- i.e. branches in the right insn slot use the address of the left insn
- slot for pc. */
- /* ??? It's not clear whether this should have partial_inplace set or not.
- Branch relaxing in the assembler can store the addend in the insn,
- and if bfd_install_relocation gets called the addend may get added
- again. */
- HOWTO (R_M32R_10_PCREL, /* type */
- 2, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 10, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- m32r_elf_10_pcrel_reloc, /* special_function */
- "R_M32R_10_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0xff, /* src_mask */
- 0xff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ x = bfd_get_16 (abfd, data + offset);
+ relocation >>= howto->rightshift;
+ relocation <<= howto->bitpos;
+ x = (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask);
+ bfd_put_16 (abfd, (bfd_vma) x, data + offset);
- /* A relative 18 bit relocation, right shifted by 2. */
- HOWTO (R_M32R_18_PCREL, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_18_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ return status;
+}
- /* A relative 26 bit relocation, right shifted by 2. */
- /* ??? It's not clear whether this should have partial_inplace set or not.
- Branch relaxing in the assembler can store the addend in the insn,
- and if bfd_install_relocation gets called the addend may get added
- again. */
- HOWTO (R_M32R_26_PCREL, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_26_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+/* Handle the R_M32R_10_PCREL reloc. */
- /* High 16 bits of address when lower 16 is or'd in. */
- HOWTO (R_M32R_HI16_ULO, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- m32r_elf_hi16_reloc, /* special_function */
- "R_M32R_HI16_ULO", /* name */
- TRUE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+static bfd_reloc_status_type
+m32r_elf_10_pcrel_reloc (bfd * abfd,
+ arelent * reloc_entry,
+ asymbol * symbol,
+ void * data,
+ asection * input_section,
+ bfd * output_bfd,
+ char ** error_message ATTRIBUTE_UNUSED)
+{
+ /* This part is from bfd_elf_generic_reloc. */
+ if (output_bfd != NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && (! reloc_entry->howto->partial_inplace
+ || reloc_entry->addend == 0))
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
- /* High 16 bits of address when lower 16 is added in. */
- HOWTO (R_M32R_HI16_SLO, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- m32r_elf_hi16_reloc, /* special_function */
- "R_M32R_HI16_SLO", /* name */
- TRUE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ if (output_bfd != NULL)
+ /* FIXME: See bfd_perform_relocation. Is this right? */
+ return bfd_reloc_continue;
- /* Lower 16 bits of address. */
- HOWTO (R_M32R_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- m32r_elf_lo16_reloc, /* special_function */
- "R_M32R_LO16", /* name */
- TRUE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ return m32r_elf_do_10_pcrel_reloc (abfd, reloc_entry->howto,
+ input_section,
+ data, reloc_entry->address,
+ symbol->section,
+ (symbol->value
+ + symbol->section->output_section->vma
+ + symbol->section->output_offset),
+ reloc_entry->addend);
+}
- /* Small data area 16 bits offset. */
- HOWTO (R_M32R_SDA16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- m32r_elf_sda16_reloc, /* special_function */
- "R_M32R_SDA16", /* name */
- TRUE, /* partial_inplace */ /* FIXME: correct? */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+/* Do generic partial_inplace relocation.
+ This is a local replacement for bfd_elf_generic_reloc. */
- /* GNU extension to record C++ vtable hierarchy */
- HOWTO (R_M32R_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_M32R_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable member usage */
- HOWTO (R_M32R_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- _bfd_elf_rel_vtable_reloc_fn, /* special_function */
- "R_M32R_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
+static bfd_reloc_status_type
+m32r_elf_generic_reloc (bfd *input_bfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
+{
+ bfd_reloc_status_type ret;
+ bfd_vma relocation;
+ bfd_byte *inplace_address;
- EMPTY_HOWTO (13),
- EMPTY_HOWTO (14),
- EMPTY_HOWTO (15),
- EMPTY_HOWTO (16),
- EMPTY_HOWTO (17),
- EMPTY_HOWTO (18),
- EMPTY_HOWTO (19),
- EMPTY_HOWTO (20),
- EMPTY_HOWTO (21),
- EMPTY_HOWTO (22),
- EMPTY_HOWTO (23),
- EMPTY_HOWTO (24),
- EMPTY_HOWTO (25),
- EMPTY_HOWTO (26),
- EMPTY_HOWTO (27),
- EMPTY_HOWTO (28),
- EMPTY_HOWTO (29),
- EMPTY_HOWTO (30),
- EMPTY_HOWTO (31),
- EMPTY_HOWTO (32),
+ /* This part is from bfd_elf_generic_reloc.
+ If we're relocating, and this an external symbol, we don't want
+ to change anything. */
+ if (output_bfd != NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && reloc_entry->addend == 0)
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
- /* A 16 bit absolute relocation. */
- HOWTO (R_M32R_16_RELA, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_16_RELA", /* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* A 32 bit absolute relocation. */
- HOWTO (R_M32R_32_RELA, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc,/* special_function */
- "R_M32R_32_RELA", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ /* Now do the reloc in the usual way.
+ ??? It would be nice to call bfd_elf_generic_reloc here,
+ but we have partial_inplace set. bfd_elf_generic_reloc will
+ pass the handling back to bfd_install_relocation which will install
+ a section relative addend which is wrong. */
- /* A 24 bit address. */
- HOWTO (R_M32R_24_RELA, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 24, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- bfd_elf_generic_reloc,/* special_function */
- "R_M32R_24_RELA", /* name */
- FALSE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ /* Sanity check the address (offset in section). */
+ if (reloc_entry->address > bfd_get_section_limit (input_bfd, input_section))
+ return bfd_reloc_outofrange;
- HOWTO (R_M32R_10_PCREL_RELA, /* type */
- 2, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 10, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- m32r_elf_10_pcrel_reloc, /* special_function */
- "R_M32R_10_PCREL_RELA",/* name */
- FALSE, /* partial_inplace */
- 0xff, /* src_mask */
- 0xff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ ret = bfd_reloc_ok;
+ if (bfd_is_und_section (symbol->section)
+ && output_bfd == NULL)
+ ret = bfd_reloc_undefined;
- /* A relative 18 bit relocation, right shifted by 2. */
- HOWTO (R_M32R_18_PCREL_RELA, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_18_PCREL_RELA",/* name */
- FALSE, /* partial_inplace */
- 0xffff, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ if (bfd_is_com_section (symbol->section)
+ || output_bfd != NULL)
+ relocation = 0;
+ else
+ relocation = symbol->value;
- /* A relative 26 bit relocation, right shifted by 2. */
- HOWTO (R_M32R_26_PCREL_RELA, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_26_PCREL_RELA",/* name */
- FALSE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ /* Only do this for a final link. */
+ if (output_bfd == NULL)
+ {
+ relocation += symbol->section->output_section->vma;
+ relocation += symbol->section->output_offset;
+ }
- /* High 16 bits of address when lower 16 is or'd in. */
- HOWTO (R_M32R_HI16_ULO_RELA, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_HI16_ULO_RELA",/* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ relocation += reloc_entry->addend;
+ inplace_address = (bfd_byte *) data + reloc_entry->address;
- /* High 16 bits of address when lower 16 is added in. */
- HOWTO (R_M32R_HI16_SLO_RELA, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_HI16_SLO_RELA",/* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+#define DOIT(x) \
+ x = ( (x & ~reloc_entry->howto->dst_mask) | \
+ (((x & reloc_entry->howto->src_mask) + relocation) & \
+ reloc_entry->howto->dst_mask))
- /* Lower 16 bits of address. */
- HOWTO (R_M32R_LO16_RELA, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_LO16_RELA", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ switch (reloc_entry->howto->size)
+ {
+ case 1:
+ {
+ short x = bfd_get_16 (input_bfd, inplace_address);
+ DOIT (x);
+ bfd_put_16 (input_bfd, (bfd_vma) x, inplace_address);
+ }
+ break;
+ case 2:
+ {
+ unsigned long x = bfd_get_32 (input_bfd, inplace_address);
+ DOIT (x);
+ bfd_put_32 (input_bfd, (bfd_vma)x , inplace_address);
+ }
+ break;
+ default:
+ BFD_ASSERT (0);
+ }
- /* Small data area 16 bits offset. */
- HOWTO (R_M32R_SDA16_RELA, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_SDA16_RELA", /* name */
- TRUE, /* partial_inplace */ /* FIXME: correct? */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ if (output_bfd != NULL)
+ reloc_entry->address += input_section->output_offset;
- /* GNU extension to record C++ vtable hierarchy */
- HOWTO (R_M32R_RELA_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_M32R_RELA_GNU_VTINHERIT", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* GNU extension to record C++ vtable member usage */
- HOWTO (R_M32R_RELA_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- _bfd_elf_rel_vtable_reloc_fn, /* special_function */
- "R_M32R_RELA_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- EMPTY_HOWTO (45),
- EMPTY_HOWTO (46),
- EMPTY_HOWTO (47),
+ return ret;
+}
- /* Like R_M32R_24, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOT24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 24, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOT24", /* name */
- FALSE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+/* Handle the R_M32R_SDA16 reloc.
+ This reloc is used to compute the address of objects in the small data area
+ and to perform loads and stores from that area.
+ The lower 16 bits are sign extended and added to the register specified
+ in the instruction, which is assumed to point to _SDA_BASE_. */
- /* Like R_M32R_PCREL, but referring to the procedure linkage table
- entry for the symbol. */
- HOWTO (R_M32R_26_PLTREL, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 24, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_26_PLTREL", /* name */
- FALSE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+static bfd_reloc_status_type
+m32r_elf_sda16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data ATTRIBUTE_UNUSED,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
+{
+ /* This part is from bfd_elf_generic_reloc. */
+ if (output_bfd != NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && (! reloc_entry->howto->partial_inplace
+ || reloc_entry->addend == 0))
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
- /* This is used only by the dynamic linker. The symbol should exist
- both in the object being run and in some shared library. The
- dynamic linker copies the data addressed by the symbol from the
- shared library into the object, because the object being
- run has to have the data at some particular address. */
- HOWTO (R_M32R_COPY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_COPY", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ if (output_bfd != NULL)
+ /* FIXME: See bfd_perform_relocation. Is this right? */
+ return bfd_reloc_continue;
- /* Like R_M32R_24, but used when setting global offset table
- entries. */
- HOWTO (R_M32R_GLOB_DAT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GLOB_DAT", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ /* FIXME: not sure what to do here yet. But then again, the linker
+ may never call us. */
+ abort ();
+}
- /* Marks a procedure linkage table entry for a symbol. */
- HOWTO (R_M32R_JMP_SLOT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_JMP_SLOT", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Used only by the dynamic linker. When the object is run, this
- longword is set to the load address of the object, plus the
- addend. */
- HOWTO (R_M32R_RELATIVE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_RELATIVE", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO (R_M32R_GOTOFF, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOTOFF", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An PC Relative 24-bit relocation used when setting PIC offset
- table register. */
- HOWTO (R_M32R_GOTPC24, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 24, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOTPC24", /* name */
- FALSE, /* partial_inplace */
- 0xffffff, /* src_mask */
- 0xffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* Like R_M32R_HI16_ULO, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOT16_HI_ULO, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOT16_HI_ULO", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_M32R_HI16_SLO, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOT16_HI_SLO, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOT16_HI_SLO", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* Like R_M32R_LO16, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOT16_LO, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOT16_LO", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- /* An PC Relative relocation used when setting PIC offset table register.
- Like R_M32R_HI16_ULO, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOTPC_HI_ULO, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOTPC_HI_ULO", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* An PC Relative relocation used when setting PIC offset table register.
- Like R_M32R_HI16_SLO, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOTPC_HI_SLO, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOTPC_HI_SLO", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-
- /* An PC Relative relocation used when setting PIC offset table register.
- Like R_M32R_LO16, but referring to the GOT table entry for
- the symbol. */
- HOWTO (R_M32R_GOTPC_LO, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_M32R_GOTPC_LO", /* name */
- FALSE, /* partial_inplace */
- 0x0000ffff, /* src_mask */
- 0x0000ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
-};
\f
-/* Handle the R_M32R_10_PCREL reloc. */
-
-static bfd_reloc_status_type
-m32r_elf_10_pcrel_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message)
- bfd * abfd;
- arelent * reloc_entry;
- asymbol * symbol;
- PTR data;
- asection * input_section;
- bfd * output_bfd;
- char ** error_message ATTRIBUTE_UNUSED;
-{
- /* This part is from bfd_elf_generic_reloc. */
- if (output_bfd != (bfd *) NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && (! reloc_entry->howto->partial_inplace
- || reloc_entry->addend == 0))
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- if (output_bfd != NULL)
- {
- /* FIXME: See bfd_perform_relocation. Is this right? */
- return bfd_reloc_continue;
- }
-
- return m32r_elf_do_10_pcrel_reloc (abfd, reloc_entry->howto,
- input_section,
- data, reloc_entry->address,
- symbol->section,
- (symbol->value
- + symbol->section->output_section->vma
- + symbol->section->output_offset),
- reloc_entry->addend);
-}
-
-/* Utility to actually perform an R_M32R_10_PCREL reloc. */
-
-static bfd_reloc_status_type
-m32r_elf_do_10_pcrel_reloc (abfd, howto, input_section, data, offset,
- symbol_section, symbol_value, addend)
- bfd *abfd;
- reloc_howto_type *howto;
- asection *input_section;
- bfd_byte *data;
- bfd_vma offset;
- asection *symbol_section ATTRIBUTE_UNUSED;
- bfd_vma symbol_value;
- bfd_vma addend;
-{
- bfd_signed_vma relocation;
- unsigned long x;
- bfd_reloc_status_type status;
-
- /* Sanity check the address (offset in section). */
- if (offset > input_section->_cooked_size)
- return bfd_reloc_outofrange;
-
- relocation = symbol_value + addend;
- /* Make it pc relative. */
- relocation -= (input_section->output_section->vma
- + input_section->output_offset);
- /* These jumps mask off the lower two bits of the current address
- before doing pcrel calculations. */
- relocation -= (offset & -(bfd_vma) 4);
-
- if (relocation < -0x200 || relocation > 0x1ff)
- status = bfd_reloc_overflow;
- else
- status = bfd_reloc_ok;
-
- x = bfd_get_16 (abfd, data + offset);
- relocation >>= howto->rightshift;
- relocation <<= howto->bitpos;
- x = (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask);
- bfd_put_16 (abfd, (bfd_vma) x, data + offset);
-
- return status;
-}
-
/* Handle the R_M32R_HI16_[SU]LO relocs.
HI16_SLO is for the add3 and load/store with displacement instructions.
HI16_ULO is for the or3 instruction.
static struct m32r_hi16 *m32r_hi16_list;
static bfd_reloc_status_type
-m32r_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
+m32r_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_reloc_status_type ret;
bfd_vma relocation;
/* This part is from bfd_elf_generic_reloc.
If we're relocating, and this an external symbol, we don't want
to change anything. */
- if (output_bfd != (bfd *) NULL
+ if (output_bfd != NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& reloc_entry->addend == 0)
{
}
/* Sanity check the address (offset in section). */
- if (reloc_entry->address > input_section->_cooked_size)
+ if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
return bfd_reloc_outofrange;
ret = bfd_reloc_ok;
if (bfd_is_und_section (symbol->section)
- && output_bfd == (bfd *) NULL)
+ && output_bfd == NULL)
ret = bfd_reloc_undefined;
if (bfd_is_com_section (symbol->section))
relocation += reloc_entry->addend;
/* Save the information, and let LO16 do the actual relocation. */
- n = (struct m32r_hi16 *) bfd_malloc ((bfd_size_type) sizeof *n);
+ n = bfd_malloc ((bfd_size_type) sizeof *n);
if (n == NULL)
return bfd_reloc_outofrange;
n->addr = (bfd_byte *) data + reloc_entry->address;
n->next = m32r_hi16_list;
m32r_hi16_list = n;
- if (output_bfd != (bfd *) NULL)
+ if (output_bfd != NULL)
reloc_entry->address += input_section->output_offset;
return ret;
/* Handle an M32R ELF HI16 reloc. */
static void
-m32r_elf_relocate_hi16 (input_bfd, type, relhi, rello, contents, addend)
- bfd *input_bfd;
- int type;
- Elf_Internal_Rela *relhi;
- Elf_Internal_Rela *rello;
- bfd_byte *contents;
- bfd_vma addend;
+m32r_elf_relocate_hi16 (bfd *input_bfd,
+ int type,
+ Elf_Internal_Rela *relhi,
+ Elf_Internal_Rela *rello,
+ bfd_byte *contents,
+ bfd_vma addend)
{
unsigned long insn;
bfd_vma addlo;
inplace relocation; this function exists in order to do the
R_M32R_HI16_[SU]LO relocation described above. */
-bfd_reloc_status_type
-m32r_elf_lo16_reloc (input_bfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message)
- bfd *input_bfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+static bfd_reloc_status_type
+m32r_elf_lo16_reloc (bfd *input_bfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message)
{
/* This part is from bfd_elf_generic_reloc.
If we're relocating, and this an external symbol, we don't want
to change anything. */
- if (output_bfd != (bfd *) NULL
+ if (output_bfd != NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& reloc_entry->addend == 0)
{
input_section, output_bfd, error_message);
}
-/* Do generic partial_inplace relocation.
- This is a local replacement for bfd_elf_generic_reloc. */
-
-bfd_reloc_status_type
-m32r_elf_generic_reloc (input_bfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message)
- bfd *input_bfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
+\f
+static reloc_howto_type m32r_elf_howto_table[] =
{
- bfd_reloc_status_type ret;
- bfd_vma relocation;
- bfd_byte *inplace_address;
-
- /* This part is from bfd_elf_generic_reloc.
- If we're relocating, and this an external symbol, we don't want
- to change anything. */
- if (output_bfd != (bfd *) NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && reloc_entry->addend == 0)
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- /* Now do the reloc in the usual way.
- ??? It would be nice to call bfd_elf_generic_reloc here,
- but we have partial_inplace set. bfd_elf_generic_reloc will
- pass the handling back to bfd_install_relocation which will install
- a section relative addend which is wrong. */
-
- /* Sanity check the address (offset in section). */
- if (reloc_entry->address > input_section->_cooked_size)
- return bfd_reloc_outofrange;
+ /* This reloc does nothing. */
+ HOWTO (R_M32R_NONE, /* type */
+ 0, /* rightshift */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
- ret = bfd_reloc_ok;
- if (bfd_is_und_section (symbol->section)
- && output_bfd == (bfd *) NULL)
- ret = bfd_reloc_undefined;
+ /* A 16 bit absolute relocation. */
+ HOWTO (R_M32R_16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ m32r_elf_generic_reloc,/* special_function */
+ "R_M32R_16", /* name */
+ TRUE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 32 bit absolute relocation. */
+ HOWTO (R_M32R_32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ m32r_elf_generic_reloc,/* special_function */
+ "R_M32R_32", /* name */
+ TRUE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 24 bit address. */
+ HOWTO (R_M32R_24, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_unsigned, /* complain_on_overflow */
+ m32r_elf_generic_reloc,/* special_function */
+ "R_M32R_24", /* name */
+ TRUE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* An PC Relative 10-bit relocation, shifted by 2.
+ This reloc is complicated because relocations are relative to pc & -4.
+ i.e. branches in the right insn slot use the address of the left insn
+ slot for pc. */
+ /* ??? It's not clear whether this should have partial_inplace set or not.
+ Branch relaxing in the assembler can store the addend in the insn,
+ and if bfd_install_relocation gets called the addend may get added
+ again. */
+ HOWTO (R_M32R_10_PCREL, /* type */
+ 2, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 10, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ m32r_elf_10_pcrel_reloc, /* special_function */
+ "R_M32R_10_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0xff, /* src_mask */
+ 0xff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A relative 18 bit relocation, right shifted by 2. */
+ HOWTO (R_M32R_18_PCREL, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_18_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A relative 26 bit relocation, right shifted by 2. */
+ /* ??? It's not clear whether this should have partial_inplace set or not.
+ Branch relaxing in the assembler can store the addend in the insn,
+ and if bfd_install_relocation gets called the addend may get added
+ again. */
+ HOWTO (R_M32R_26_PCREL, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_26_PCREL", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* High 16 bits of address when lower 16 is or'd in. */
+ HOWTO (R_M32R_HI16_ULO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ m32r_elf_hi16_reloc, /* special_function */
+ "R_M32R_HI16_ULO", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 16 bits of address when lower 16 is added in. */
+ HOWTO (R_M32R_HI16_SLO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ m32r_elf_hi16_reloc, /* special_function */
+ "R_M32R_HI16_SLO", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Lower 16 bits of address. */
+ HOWTO (R_M32R_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ m32r_elf_lo16_reloc, /* special_function */
+ "R_M32R_LO16", /* name */
+ TRUE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Small data area 16 bits offset. */
+ HOWTO (R_M32R_SDA16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ m32r_elf_sda16_reloc, /* special_function */
+ "R_M32R_SDA16", /* name */
+ TRUE, /* partial_inplace */ /* FIXME: correct? */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable hierarchy. */
+ HOWTO (R_M32R_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_M32R_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage. */
+ HOWTO (R_M32R_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_M32R_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ EMPTY_HOWTO (13),
+ EMPTY_HOWTO (14),
+ EMPTY_HOWTO (15),
+ EMPTY_HOWTO (16),
+ EMPTY_HOWTO (17),
+ EMPTY_HOWTO (18),
+ EMPTY_HOWTO (19),
+ EMPTY_HOWTO (20),
+ EMPTY_HOWTO (21),
+ EMPTY_HOWTO (22),
+ EMPTY_HOWTO (23),
+ EMPTY_HOWTO (24),
+ EMPTY_HOWTO (25),
+ EMPTY_HOWTO (26),
+ EMPTY_HOWTO (27),
+ EMPTY_HOWTO (28),
+ EMPTY_HOWTO (29),
+ EMPTY_HOWTO (30),
+ EMPTY_HOWTO (31),
+ EMPTY_HOWTO (32),
+
+ /* A 16 bit absolute relocation. */
+ HOWTO (R_M32R_16_RELA, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_16_RELA", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 32 bit absolute relocation. */
+ HOWTO (R_M32R_32_RELA, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc,/* special_function */
+ "R_M32R_32_RELA", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 24 bit address. */
+ HOWTO (R_M32R_24_RELA, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_unsigned, /* complain_on_overflow */
+ bfd_elf_generic_reloc,/* special_function */
+ "R_M32R_24_RELA", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_M32R_10_PCREL_RELA, /* type */
+ 2, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 10, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ m32r_elf_10_pcrel_reloc, /* special_function */
+ "R_M32R_10_PCREL_RELA",/* name */
+ FALSE, /* partial_inplace */
+ 0xff, /* src_mask */
+ 0xff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A relative 18 bit relocation, right shifted by 2. */
+ HOWTO (R_M32R_18_PCREL_RELA, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_18_PCREL_RELA",/* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* A relative 26 bit relocation, right shifted by 2. */
+ HOWTO (R_M32R_26_PCREL_RELA, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_26_PCREL_RELA",/* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* High 16 bits of address when lower 16 is or'd in. */
+ HOWTO (R_M32R_HI16_ULO_RELA, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_HI16_ULO_RELA",/* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High 16 bits of address when lower 16 is added in. */
+ HOWTO (R_M32R_HI16_SLO_RELA, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_HI16_SLO_RELA",/* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Lower 16 bits of address. */
+ HOWTO (R_M32R_LO16_RELA, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_LO16_RELA", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Small data area 16 bits offset. */
+ HOWTO (R_M32R_SDA16_RELA, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_SDA16_RELA", /* name */
+ TRUE, /* partial_inplace */ /* FIXME: correct? */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable hierarchy. */
+ HOWTO (R_M32R_RELA_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_M32R_RELA_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage. */
+ HOWTO (R_M32R_RELA_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_M32R_RELA_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 32 bit PC relative relocation. */
+ HOWTO (R_M32R_REL32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc,/* special_function */
+ "R_M32R_REL32", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ EMPTY_HOWTO (46),
+ EMPTY_HOWTO (47),
+
+ /* Like R_M32R_24, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOT24, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_unsigned, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOT24", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- if (bfd_is_com_section (symbol->section)
- || output_bfd != (bfd *) NULL)
- relocation = 0;
- else
- relocation = symbol->value;
+ /* Like R_M32R_PCREL, but referring to the procedure linkage table
+ entry for the symbol. */
+ HOWTO (R_M32R_26_PLTREL, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_26_PLTREL", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
- /* Only do this for a final link. */
- if (output_bfd == (bfd *) NULL)
- {
- relocation += symbol->section->output_section->vma;
- relocation += symbol->section->output_offset;
- }
+ /* This is used only by the dynamic linker. The symbol should exist
+ both in the object being run and in some shared library. The
+ dynamic linker copies the data addressed by the symbol from the
+ shared library into the object, because the object being
+ run has to have the data at some particular address. */
+ HOWTO (R_M32R_COPY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_COPY", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- relocation += reloc_entry->addend;
- inplace_address = (bfd_byte *) data + reloc_entry->address;
+ /* Like R_M32R_24, but used when setting global offset table
+ entries. */
+ HOWTO (R_M32R_GLOB_DAT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GLOB_DAT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
-#define DOIT(x) \
- x = ( (x & ~reloc_entry->howto->dst_mask) | \
- (((x & reloc_entry->howto->src_mask) + relocation) & \
- reloc_entry->howto->dst_mask))
+ /* Marks a procedure linkage table entry for a symbol. */
+ HOWTO (R_M32R_JMP_SLOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_JMP_SLOT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- switch (reloc_entry->howto->size)
- {
- case 1:
- {
- short x = bfd_get_16 (input_bfd, inplace_address);
- DOIT (x);
- bfd_put_16 (input_bfd, (bfd_vma) x, inplace_address);
- }
- break;
- case 2:
- {
- unsigned long x = bfd_get_32 (input_bfd, inplace_address);
- DOIT (x);
- bfd_put_32 (input_bfd, (bfd_vma)x , inplace_address);
- }
- break;
- default:
- BFD_ASSERT (0);
- }
+ /* Used only by the dynamic linker. When the object is run, this
+ longword is set to the load address of the object, plus the
+ addend. */
+ HOWTO (R_M32R_RELATIVE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_RELATIVE", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- if (output_bfd != (bfd *) NULL)
- reloc_entry->address += input_section->output_offset;
+ HOWTO (R_M32R_GOTOFF, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- return ret;
-}
+ /* An PC Relative 24-bit relocation used when setting PIC offset
+ table register. */
+ HOWTO (R_M32R_GOTPC24, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 24, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_unsigned, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTPC24", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffff, /* src_mask */
+ 0xffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
-/* Handle the R_M32R_SDA16 reloc.
- This reloc is used to compute the address of objects in the small data area
- and to perform loads and stores from that area.
- The lower 16 bits are sign extended and added to the register specified
- in the instruction, which is assumed to point to _SDA_BASE_. */
+ /* Like R_M32R_HI16_ULO, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOT16_HI_ULO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOT16_HI_ULO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like R_M32R_HI16_SLO, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOT16_HI_SLO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOT16_HI_SLO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Like R_M32R_LO16, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOT16_LO, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOT16_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* An PC Relative relocation used when setting PIC offset table register.
+ Like R_M32R_HI16_ULO, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOTPC_HI_ULO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTPC_HI_ULO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* An PC Relative relocation used when setting PIC offset table register.
+ Like R_M32R_HI16_SLO, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOTPC_HI_SLO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTPC_HI_SLO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* An PC Relative relocation used when setting PIC offset table register.
+ Like R_M32R_LO16, but referring to the GOT table entry for
+ the symbol. */
+ HOWTO (R_M32R_GOTPC_LO, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTPC_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_M32R_GOTOFF_HI_ULO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTOFF_HI_ULO",/* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
-static bfd_reloc_status_type
-m32r_elf_sda16_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data ATTRIBUTE_UNUSED;
- asection *input_section;
- bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
-{
- /* This part is from bfd_elf_generic_reloc. */
- if (output_bfd != (bfd *) NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && (! reloc_entry->howto->partial_inplace
- || reloc_entry->addend == 0))
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
+ HOWTO (R_M32R_GOTOFF_HI_SLO, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTOFF_HI_SLO",/* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
- if (output_bfd != NULL)
- {
- /* FIXME: See bfd_perform_relocation. Is this right? */
- return bfd_reloc_continue;
- }
+ HOWTO (R_M32R_GOTOFF_LO, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_M32R_GOTOFF_LO", /* name */
+ FALSE, /* partial_inplace */
+ 0x0000ffff, /* src_mask */
+ 0x0000ffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+};
- /* FIXME: not sure what to do here yet. But then again, the linker
- may never call us. */
- abort ();
-}
-\f
/* Map BFD reloc types to M32R ELF reloc types. */
struct m32r_reloc_map
unsigned char elf_reloc_val;
};
+#ifdef USE_M32R_OLD_RELOC
static const struct m32r_reloc_map m32r_reloc_map_old[] =
{
{ BFD_RELOC_NONE, R_M32R_NONE },
{ BFD_RELOC_VTABLE_INHERIT, R_M32R_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_M32R_GNU_VTENTRY },
};
-
+#else
static const struct m32r_reloc_map m32r_reloc_map[] =
{
{ BFD_RELOC_NONE, R_M32R_NONE },
{ BFD_RELOC_M32R_SDA16, R_M32R_SDA16_RELA },
{ BFD_RELOC_VTABLE_INHERIT, R_M32R_RELA_GNU_VTINHERIT },
{ BFD_RELOC_VTABLE_ENTRY, R_M32R_RELA_GNU_VTENTRY },
+ { BFD_RELOC_32_PCREL, R_M32R_REL32 },
{ BFD_RELOC_M32R_GOT24, R_M32R_GOT24 },
{ BFD_RELOC_M32R_26_PLTREL, R_M32R_26_PLTREL },
{ BFD_RELOC_M32R_GOTPC_HI_ULO, R_M32R_GOTPC_HI_ULO },
{ BFD_RELOC_M32R_GOTPC_HI_SLO, R_M32R_GOTPC_HI_SLO },
{ BFD_RELOC_M32R_GOTPC_LO, R_M32R_GOTPC_LO },
+ { BFD_RELOC_M32R_GOTOFF_HI_ULO, R_M32R_GOTOFF_HI_ULO },
+ { BFD_RELOC_M32R_GOTOFF_HI_SLO, R_M32R_GOTOFF_HI_SLO },
+ { BFD_RELOC_M32R_GOTOFF_LO, R_M32R_GOTOFF_LO },
};
+#endif
static reloc_howto_type *
-bfd_elf32_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
+bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0;
i < sizeof (m32r_reloc_map_old) / sizeof (struct m32r_reloc_map);
i++)
- {
- if (m32r_reloc_map_old[i].bfd_reloc_val == code)
- return &m32r_elf_howto_table[m32r_reloc_map_old[i].elf_reloc_val];
- }
+ if (m32r_reloc_map_old[i].bfd_reloc_val == code)
+ return &m32r_elf_howto_table[m32r_reloc_map_old[i].elf_reloc_val];
+
#else /* ! USE_M32R_OLD_RELOC */
for (i = 0;
i < sizeof (m32r_reloc_map) / sizeof (struct m32r_reloc_map);
i++)
- {
- if (m32r_reloc_map[i].bfd_reloc_val == code)
- return &m32r_elf_howto_table[m32r_reloc_map[i].elf_reloc_val];
- }
+ if (m32r_reloc_map[i].bfd_reloc_val == code)
+ return &m32r_elf_howto_table[m32r_reloc_map[i].elf_reloc_val];
#endif
return NULL;
}
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (m32r_elf_howto_table) / sizeof (m32r_elf_howto_table[0]);
+ i++)
+ if (m32r_elf_howto_table[i].name != NULL
+ && strcasecmp (m32r_elf_howto_table[i].name, r_name) == 0)
+ return &m32r_elf_howto_table[i];
+
+ return NULL;
+}
+
/* Set the howto pointer for an M32R ELF reloc. */
-static void
-m32r_info_to_howto_rel (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+static bfd_boolean
+m32r_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
- BFD_ASSERT (ELF32_R_TYPE(dst->r_info) <= (unsigned int) R_M32R_GNU_VTENTRY)
+ if (r_type > (unsigned int) R_M32R_GNU_VTENTRY)
+ {
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
cache_ptr->howto = &m32r_elf_howto_table[r_type];
+ return TRUE;
}
-static void
-m32r_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+static bfd_boolean
+m32r_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
- BFD_ASSERT ((ELF32_R_TYPE(dst->r_info) == (unsigned int) R_M32R_NONE)
- || ((ELF32_R_TYPE(dst->r_info) > (unsigned int) R_M32R_GNU_VTENTRY)
- && (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_M32R_max)));
- cache_ptr->howto = &m32r_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
+ unsigned int r_type = ELF32_R_TYPE (dst->r_info);
+
+ if (r_type == (unsigned int) R_M32R_NONE
+ || ((r_type > (unsigned int) R_M32R_GNU_VTENTRY)
+ && (r_type < (unsigned int) R_M32R_max)))
+ {
+ cache_ptr->howto = &m32r_elf_howto_table[r_type];
+ return TRUE;
+ }
+
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
}
\f
/* Given a BFD section, try to locate the corresponding ELF section
index. */
-bfd_boolean
-_bfd_m32r_elf_section_from_bfd_section (abfd, sec, retval)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec;
- int *retval;
+static bfd_boolean
+_bfd_m32r_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec,
+ int *retval)
{
- if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
+ if (strcmp (bfd_section_name (sec), ".scommon") == 0)
{
*retval = SHN_M32R_SCOMMON;
return TRUE;
/* Handle the special M32R section numbers that a symbol may use. */
-void
-_bfd_m32r_elf_symbol_processing (abfd, asym)
- bfd *abfd ATTRIBUTE_UNUSED;
- asymbol *asym;
+static void
+_bfd_m32r_elf_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
{
- elf_symbol_type *elfsym;
-
- elfsym = (elf_symbol_type *) asym;
+ elf_symbol_type *elfsym = (elf_symbol_type *) asym;
switch (elfsym->internal_elf_sym.st_shndx)
{
linker sections. */
static bfd_boolean
-m32r_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
- bfd *abfd;
- struct bfd_link_info *info;
- Elf_Internal_Sym *sym;
- const char **namep;
- flagword *flagsp ATTRIBUTE_UNUSED;
- asection **secp;
- bfd_vma *valp;
+m32r_elf_add_symbol_hook (bfd *abfd,
+ struct bfd_link_info *info,
+ Elf_Internal_Sym *sym,
+ const char **namep,
+ flagword *flagsp ATTRIBUTE_UNUSED,
+ asection **secp,
+ bfd_vma *valp)
{
- if (! info->relocatable
+ if (! bfd_link_relocatable (info)
&& (*namep)[0] == '_' && (*namep)[1] == 'S'
&& strcmp (*namep, "_SDA_BASE_") == 0
&& is_elf_hash_table (info->hash))
asection *s = bfd_get_section_by_name (abfd, ".sdata");
/* The following code was cobbled from elf32-ppc.c and elflink.c. */
-
if (s == NULL)
{
flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
- s = bfd_make_section_anyway (abfd, ".sdata");
+ s = bfd_make_section_anyway_with_flags (abfd, ".sdata",
+ flags);
if (s == NULL)
return FALSE;
- bfd_set_section_flags (abfd, s, flags);
- bfd_set_section_alignment (abfd, s, 2);
+ if (!bfd_set_section_alignment (s, 2))
+ return FALSE;
}
bh = bfd_link_hash_lookup (info->hash, "_SDA_BASE_",
BSF_GLOBAL,
s,
(bfd_vma) 32768,
- (const char *) NULL,
+ NULL,
FALSE,
get_elf_backend_data (abfd)->collect,
&bh)))
external symbol if we are producing relocatable output. */
static bfd_reloc_status_type
-m32r_elf_final_sda_base (output_bfd, info, error_message, psb)
- bfd *output_bfd;
- struct bfd_link_info *info;
- const char **error_message;
- bfd_vma *psb;
+m32r_elf_final_sda_base (bfd *output_bfd,
+ struct bfd_link_info *info,
+ const char **error_message,
+ bfd_vma *psb)
{
if (elf_gp (output_bfd) == 0)
{
struct bfd_link_hash_entry *h;
h = bfd_link_hash_lookup (info->hash, "_SDA_BASE_", FALSE, FALSE, TRUE);
- if (h != (struct bfd_link_hash_entry *) NULL
- && h->type == bfd_link_hash_defined)
+ if (h != NULL && h->type == bfd_link_hash_defined)
elf_gp (output_bfd) = (h->u.def.value
+ h->u.def.section->output_section->vma
+ h->u.def.section->output_offset);
bfd_size_type count;
};
-/* The sh linker needs to keep track of the number of relocs that it
- decides to copy as dynamic relocs in check_relocs for each symbol.
- This is so that it can later discard them if they are found to be
- unnecessary. We store the information in a field extending the
- regular ELF linker hash table. */
-
-struct elf_m32r_dyn_relocs
-{
- struct elf_m32r_dyn_relocs *next;
-
- /* The input section of the reloc. */
- asection *sec;
-
- /* Total number of relocs copied for the input section. */
- bfd_size_type count;
-
- /* Number of pc-relative relocs copied for the input section. */
- bfd_size_type pc_count;
-};
-
-
/* m32r ELF linker hash entry. */
struct elf_m32r_link_hash_entry
struct elf_link_hash_entry root;
/* Track dynamic relocs copied for this symbol. */
- struct elf_m32r_dyn_relocs *dyn_relocs;
-
-// bfd_signed_vma gotplt_refcount;
-
- /* Number of PC relative relocs copied for this symbol. */
- /* struct elf_m32r_pcrel_relocs_copied *pcrel_relocs_copied; FIXME */
+ struct elf_dyn_relocs *dyn_relocs;
};
/* m32r ELF linker hash table. */
struct elf_link_hash_table root;
/* Short-cuts to get to dynamic linker sections. */
- asection *sgot;
- asection *sgotplt;
- asection *srelgot;
- asection *splt;
- asection *srelplt;
asection *sdynbss;
asection *srelbss;
- /* Small local sym to section mapping cache. */
- struct sym_sec_cache sym_sec;
+ /* Small local sym cache. */
+ struct sym_cache sym_cache;
};
/* Traverse an m32r ELF linker hash table. */
#define m32r_elf_link_hash_traverse(table, func, info) \
(elf_link_hash_traverse \
(&(table)->root, \
- (bfd_boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
+ (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
(info)))
/* Get the m32r ELF linker hash table from a link_info structure. */
-
#define m32r_elf_hash_table(p) \
- ((struct elf_m32r_link_hash_table *) ((p)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == M32R_ELF_DATA ? ((struct elf_m32r_link_hash_table *) ((p)->hash)) : NULL)
/* Create an entry in an m32r ELF linker hash table. */
-static struct bfd_hash_entry *
-m32r_elf_link_hash_newfunc (struct bfd_hash_entry *, struct bfd_hash_table *,
- const char * );
static struct bfd_hash_entry *
-m32r_elf_link_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+m32r_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
struct elf_m32r_link_hash_entry *ret =
(struct elf_m32r_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == (struct elf_m32r_link_hash_entry *) NULL)
- ret = ((struct elf_m32r_link_hash_entry *)
- bfd_hash_allocate (table,
- sizeof (struct elf_m32r_link_hash_entry)));
- if (ret == (struct elf_m32r_link_hash_entry *) NULL)
- return (struct bfd_hash_entry *) ret;
+ if (ret == NULL)
+ ret = bfd_hash_allocate (table,
+ sizeof (struct elf_m32r_link_hash_entry));
+ if (ret == NULL)
+ return NULL;
/* Call the allocation method of the superclass. */
ret = ((struct elf_m32r_link_hash_entry *)
- _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
- table, string));
- if (ret != (struct elf_m32r_link_hash_entry *) NULL)
+ _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
+ table, string));
+ if (ret != NULL)
{
struct elf_m32r_link_hash_entry *eh;
eh = (struct elf_m32r_link_hash_entry *) ret;
eh->dyn_relocs = NULL;
-// eh->gotplt_refcount = 0;
- /* eh->pcrel_relocs_copied = NULL; FIXME */
}
return (struct bfd_hash_entry *) ret;
}
/* Create an m32r ELF linker hash table. */
-static struct bfd_link_hash_table *m32r_elf_link_hash_table_create (bfd *);
static struct bfd_link_hash_table *
-m32r_elf_link_hash_table_create (abfd)
- bfd *abfd;
+m32r_elf_link_hash_table_create (bfd *abfd)
{
struct elf_m32r_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_m32r_link_hash_table);
- ret = (struct elf_m32r_link_hash_table *) bfd_malloc (amt);
- if (ret == (struct elf_m32r_link_hash_table *) NULL)
+ ret = bfd_zmalloc (amt);
+ if (ret == NULL)
return NULL;
- if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
- m32r_elf_link_hash_newfunc))
+ if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ m32r_elf_link_hash_newfunc,
+ sizeof (struct elf_m32r_link_hash_entry),
+ M32R_ELF_DATA))
{
free (ret);
return NULL;
}
- ret->sgot = NULL;
- ret->sgotplt = NULL;
- ret->srelgot = NULL;
- ret->splt = NULL;
- ret->srelplt = NULL;
- ret->sdynbss = NULL;
- ret->srelbss = NULL;
- ret->sym_sec.abfd = NULL;
-
return &ret->root.root;
}
-/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
- shortcuts to them in our hash table. */
-static bfd_boolean create_got_section (bfd *, struct bfd_link_info *);
-
-static bfd_boolean
-create_got_section (dynobj, info)
- bfd *dynobj;
- struct bfd_link_info *info;
-{
- struct elf_m32r_link_hash_table *htab;
-
- if (! _bfd_elf_create_got_section (dynobj, info))
- return FALSE;
-
- htab = m32r_elf_hash_table (info);
- htab->sgot = bfd_get_section_by_name (dynobj, ".got");
- htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
- if (! htab->sgot || ! htab->sgotplt)
- abort ();
-
- htab->srelgot = bfd_make_section (dynobj, ".rela.got");
- if (htab->srelgot == NULL
- || ! bfd_set_section_flags (dynobj, htab->srelgot,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
- return FALSE;
-
- return TRUE;
-}
-
/* Create dynamic sections when linking against a dynamic object. */
static bfd_boolean
-m32r_elf_create_dynamic_sections (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+m32r_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
{
struct elf_m32r_link_hash_table *htab;
flagword flags, pltflags;
- register asection *s;
+ asection *s;
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
int ptralign = 2; /* 32bit */
htab = m32r_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
.rel[a].bss sections. */
-
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
- | SEC_LINKER_CREATED);
+ | SEC_LINKER_CREATED);
pltflags = flags;
pltflags |= SEC_CODE;
if (bed->plt_readonly)
pltflags |= SEC_READONLY;
- s = bfd_make_section (abfd, ".plt");
- htab->splt = s;
+ s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
+ htab->root.splt = s;
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, pltflags)
- || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
+ || !bfd_set_section_alignment (s, bed->plt_alignment))
return FALSE;
if (bed->want_plt_sym)
{
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
- .plt section. */
+ .plt section. */
struct bfd_link_hash_entry *bh = NULL;
struct elf_link_hash_entry *h;
+
if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
- (bfd_vma) 0, (const char *) NULL, FALSE,
- get_elf_backend_data (abfd)->collect, &bh)))
- return FALSE;
+ (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
+ (bfd_vma) 0, NULL, FALSE,
+ get_elf_backend_data (abfd)->collect, &bh)))
+ return FALSE;
h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
+ h->def_regular = 1;
h->type = STT_OBJECT;
+ htab->root.hplt = h;
- if (info->shared
- && ! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ if (bfd_link_pic (info)
+ && ! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
}
- s = bfd_make_section (abfd,
- bed->default_use_rela_p ? ".rela.plt" : ".rel.plt");
- htab->srelplt = s;
+ s = bfd_make_section_anyway_with_flags (abfd,
+ bed->default_use_rela_p
+ ? ".rela.plt" : ".rel.plt",
+ flags | SEC_READONLY);
+ htab->root.srelplt = s;
if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
- || ! bfd_set_section_alignment (abfd, s, ptralign))
+ || !bfd_set_section_alignment (s, ptralign))
return FALSE;
- if (htab->sgot == NULL
- && ! create_got_section (abfd, info))
+ if (htab->root.sgot == NULL
+ && !_bfd_elf_create_got_section (abfd, info))
return FALSE;
- {
- const char *secname;
- char *relname;
- flagword secflags;
- asection *sec;
-
- for (sec = abfd->sections; sec; sec = sec->next)
- {
- secflags = bfd_get_section_flags (abfd, sec);
- if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
- || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
- continue;
- secname = bfd_get_section_name (abfd, sec);
- relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6);
- strcpy (relname, ".rela");
- strcat (relname, secname);
- if (bfd_get_section_by_name (abfd, secname))
- continue;
- s = bfd_make_section (abfd, relname);
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
- || ! bfd_set_section_alignment (abfd, s, ptralign))
- return FALSE;
- }
- }
-
if (bed->want_dynbss)
{
/* The .dynbss section is a place to put symbols which are defined
- by dynamic objects, are referenced by regular objects, and are
- not functions. We must allocate space for them in the process
- image and use a R_*_COPY reloc to tell the dynamic linker to
- initialize them at run time. The linker script puts the .dynbss
- section into the .bss section of the final image. */
- s = bfd_make_section (abfd, ".dynbss");
+ by dynamic objects, are referenced by regular objects, and are
+ not functions. We must allocate space for them in the process
+ image and use a R_*_COPY reloc to tell the dynamic linker to
+ initialize them at run time. The linker script puts the .dynbss
+ section into the .bss section of the final image. */
+ s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
htab->sdynbss = s;
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, SEC_ALLOC))
- return FALSE;
+ if (s == NULL)
+ return FALSE;
/* The .rel[a].bss section holds copy relocs. This section is not
- normally needed. We need to create it here, though, so that the
- linker will map it to an output section. We can't just create it
- only if we need it, because we will not know whether we need it
- until we have seen all the input files, and the first time the
- main linker code calls BFD after examining all the input files
- (size_dynamic_sections) the input sections have already been
- mapped to the output sections. If the section turns out not to
- be needed, we can discard it later. We will never need this
- section when generating a shared object, since they do not use
- copy relocs. */
- if (! info->shared)
- {
- s = bfd_make_section (abfd,
- (bed->default_use_rela_p
- ? ".rela.bss" : ".rel.bss"));
- htab->srelbss = s;
- if (s == NULL
- || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
- || ! bfd_set_section_alignment (abfd, s, ptralign))
- return FALSE;
- }
+ normally needed. We need to create it here, though, so that the
+ linker will map it to an output section. We can't just create it
+ only if we need it, because we will not know whether we need it
+ until we have seen all the input files, and the first time the
+ main linker code calls BFD after examining all the input files
+ (size_dynamic_sections) the input sections have already been
+ mapped to the output sections. If the section turns out not to
+ be needed, we can discard it later. We will never need this
+ section when generating a shared object, since they do not use
+ copy relocs. */
+ if (! bfd_link_pic (info))
+ {
+ s = bfd_make_section_anyway_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.bss" : ".rel.bss"),
+ flags | SEC_READONLY);
+ htab->srelbss = s;
+ if (s == NULL
+ || !bfd_set_section_alignment (s, ptralign))
+ return FALSE;
+ }
}
return TRUE;
}
/* Copy the extra info we tack onto an elf_link_hash_entry. */
-static void m32r_elf_copy_indirect_symbol (const struct elf_backend_data *,
- struct elf_link_hash_entry *,
- struct elf_link_hash_entry *);
static void
-m32r_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
- struct elf_link_hash_entry *dir,
- struct elf_link_hash_entry *ind)
+m32r_elf_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *dir,
+ struct elf_link_hash_entry *ind)
{
- struct elf_m32r_link_hash_entry *edir, *eind;
+ struct elf_m32r_link_hash_entry * edir;
+ struct elf_m32r_link_hash_entry * eind;
edir = (struct elf_m32r_link_hash_entry *) dir;
eind = (struct elf_m32r_link_hash_entry *) ind;
if (eind->dyn_relocs != NULL)
{
if (edir->dyn_relocs != NULL)
- {
- struct elf_m32r_dyn_relocs **pp;
- struct elf_m32r_dyn_relocs *p;
-
- if (ind->root.type == bfd_link_hash_indirect)
- abort ();
-
- /* Add reloc counts against the weak sym to the strong sym
- list. Merge any entries against the same section. */
- for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
- {
- struct elf_m32r_dyn_relocs *q;
-
- for (q = edir->dyn_relocs; q != NULL; q = q->next)
- if (q->sec == p->sec)
- {
- q->pc_count += p->pc_count;
- q->count += p->count;
- *pp = p->next;
- break;
- }
- if (q == NULL)
- pp = &p->next;
- }
- *pp = edir->dyn_relocs;
- }
+ {
+ struct elf_dyn_relocs **pp;
+ struct elf_dyn_relocs *p;
+
+ /* Add reloc counts against the indirect sym to the direct sym
+ list. Merge any entries against the same section. */
+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
+ {
+ struct elf_dyn_relocs *q;
+
+ for (q = edir->dyn_relocs; q != NULL; q = q->next)
+ if (q->sec == p->sec)
+ {
+ q->pc_count += p->pc_count;
+ q->count += p->count;
+ *pp = p->next;
+ break;
+ }
+ if (q == NULL)
+ pp = &p->next;
+ }
+ *pp = edir->dyn_relocs;
+ }
edir->dyn_relocs = eind->dyn_relocs;
eind->dyn_relocs = NULL;
}
-// if (ind->root.type == bfd_link_hash_indirect
-// && dir->got.refcount <= 0)
-// {
-// edir->tls_type = eind->tls_type;
-// eind->tls_type = GOT_UNKNOWN;
-// }
- _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
+ _bfd_elf_link_hash_copy_indirect (info, dir, ind);
}
\f
+/* Find dynamic relocs for H that apply to read-only sections. */
+
+static asection *
+readonly_dynrelocs (struct elf_link_hash_entry *h)
+{
+ struct elf_dyn_relocs *p;
+ struct elf_m32r_link_hash_entry *eh = (struct elf_m32r_link_hash_entry *) h;
+
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *s = p->sec->output_section;
+
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ return p->sec;
+ }
+ return NULL;
+}
+
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
understand. */
static bfd_boolean
-m32r_elf_adjust_dynamic_symbol (info, h)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
+m32r_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
{
struct elf_m32r_link_hash_table *htab;
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs *p;
bfd *dynobj;
asection *s;
- unsigned int power_of_two;
#ifdef DEBUG_PIC
-printf("m32r_elf_adjust_dynamic_symbol()\n");
+ printf ("m32r_elf_adjust_dynamic_symbol()\n");
#endif
dynobj = elf_hash_table (info)->dynobj;
/* Make sure we know what is going on here. */
BFD_ASSERT (dynobj != NULL
- && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
- || h->weakdef != NULL
- || ((h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_REF_REGULAR) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)));
-
+ && (h->needs_plt
+ || h->is_weakalias
+ || (h->def_dynamic
+ && h->ref_regular
+ && !h->def_regular)));
/* If this is a function, put it in the procedure linkage table. We
will fill in the contents of the procedure linkage table later,
when we know the address of the .got section. */
if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ || h->needs_plt)
{
- if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
+ if (! bfd_link_pic (info)
+ && !h->def_dynamic
+ && !h->ref_dynamic
&& h->root.type != bfd_link_hash_undefweak
&& h->root.type != bfd_link_hash_undefined)
- {
- /* This case can occur if we saw a PLT reloc in an input
- file, but the symbol was never referred to by a dynamic
- object. In such a case, we don't actually need to build
- a procedure linkage table, and we can just do a PCREL
- reloc instead. */
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- }
+ {
+ /* This case can occur if we saw a PLT reloc in an input
+ file, but the symbol was never referred to by a dynamic
+ object. In such a case, we don't actually need to build
+ a procedure linkage table, and we can just do a PCREL
+ reloc instead. */
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
return TRUE;
}
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (h->is_weakalias)
{
- BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
- || h->weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->weakdef->root.u.def.section;
- h->root.u.def.value = h->weakdef->root.u.def.value;
+ struct elf_link_hash_entry *def = weakdef (h);
+ BFD_ASSERT (def->root.type == bfd_link_hash_defined);
+ h->root.u.def.section = def->root.u.def.section;
+ h->root.u.def.value = def->root.u.def.value;
return TRUE;
}
only references to the symbol are via the global offset table.
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
- if (info->shared)
+ if (bfd_link_pic (info))
return TRUE;
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
+ if (!h->non_got_ref)
return TRUE;
/* If -z nocopyreloc was given, we won't generate them either. */
- if (info->nocopyreloc)
+ if (0 && info->nocopyreloc)
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
- eh = (struct elf_m32r_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
- break;
- }
-
- /* If we didn't find any dynamic relocs in sections which needs the
- copy reloc, then we'll be keeping the dynamic relocs and avoiding
- the copy reloc. */
- if (p == NULL)
+ /* If we don't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (0 && !readonly_dynrelocs (h))
{
- h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
+ h->non_got_ref = 0;
return TRUE;
}
same memory location for the variable. */
htab = m32r_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
s = htab->sdynbss;
BFD_ASSERT (s != NULL);
to copy the initial value out of the dynamic object and into the
runtime process image. We need to remember the offset into the
.rela.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
asection *srel;
srel = htab->srelbss;
BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
- }
-
- /* We need to figure out the alignment required for this symbol. I
- have no idea how ELF linkers handle this. */
- power_of_two = bfd_log2 (h->size);
- if (power_of_two > 3)
- power_of_two = 3;
-
- /* Apply the required alignment. */
- s->_raw_size = BFD_ALIGN (s->_raw_size,
- (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (dynobj, s))
- {
- if (! bfd_set_section_alignment (dynobj, s, power_of_two))
- return FALSE;
+ srel->size += sizeof (Elf32_External_Rela);
+ h->needs_copy = 1;
}
- /* Define the symbol as being at this point in the section. */
- h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
-
- /* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
-
- return TRUE;
+ return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
static bfd_boolean
-allocate_dynrelocs (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
+allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
{
struct bfd_link_info *info;
struct elf_m32r_link_hash_table *htab;
struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs *p;
+ struct elf_dyn_relocs *p;
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
info = (struct bfd_link_info *) inf;
htab = m32r_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
eh = (struct elf_m32r_link_hash_entry *) h;
-// if ((h->got.refcount > 0
-// || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
-// && eh->gotplt_refcount > 0)
-// {
-// /* The symbol has been forced local, or we have some direct got refs,
-// so treat all the gotplt refs as got refs. */
-// h->got.refcount += eh->gotplt_refcount;
-// if (h->plt.refcount >= eh->gotplt_refcount)
-// h->plt.refcount -= eh->gotplt_refcount;
-// }
if (htab->root.dynamic_sections_created
&& h->plt.refcount > 0)
{
/* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
+ Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
- {
- asection *s = htab->splt;
-
- /* If this is the first .plt entry, make room for the special
- first entry. */
- if (s->_raw_size == 0)
- s->_raw_size += PLT_ENTRY_SIZE;
-
- h->plt.offset = s->_raw_size;
-
- /* If this symbol is not defined in a regular file, and we are
- not generating a shared library, then set the symbol to this
- location in the .plt. This is required to make function
- pointers compare as equal between the normal executable and
- the shared library. */
- if (! info->shared
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- {
- h->root.u.def.section = s;
- h->root.u.def.value = h->plt.offset;
- }
-
- /* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
-
- /* We also need to make an entry in the .got.plt section, which
- will be placed in the .got section by the linker script. */
- htab->sgotplt->_raw_size += 4;
-
- /* We also need to make an entry in the .rel.plt section. */
- htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
- }
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
+ {
+ asection *s = htab->root.splt;
+
+ /* If this is the first .plt entry, make room for the special
+ first entry. */
+ if (s->size == 0)
+ s->size += PLT_ENTRY_SIZE;
+
+ h->plt.offset = s->size;
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (! bfd_link_pic (info)
+ && !h->def_regular)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = h->plt.offset;
+ }
+
+ /* Make room for this entry. */
+ s->size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .got.plt section, which
+ will be placed in the .got section by the linker script. */
+ htab->root.sgotplt->size += 4;
+
+ /* We also need to make an entry in the .rel.plt section. */
+ htab->root.srelplt->size += sizeof (Elf32_External_Rela);
+ }
else
- {
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- }
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
}
else
{
h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 0;
}
if (h->got.refcount > 0)
bfd_boolean dyn;
/* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
+ Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
- s = htab->sgot;
+ s = htab->root.sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += 4;
+ h->got.offset = s->size;
+ s->size += 4;
dyn = htab->root.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
- htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
+ htab->root.srelgot->size += sizeof (Elf32_External_Rela);
}
else
h->got.offset = (bfd_vma) -1;
space for pc-relative relocs that have become local due to symbol
visibility changes. */
- if (info->shared)
+ if (bfd_link_pic (info))
{
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
- || info->symbolic))
- {
- struct elf_m32r_dyn_relocs **pp;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
- {
- p->count -= p->pc_count;
- p->pc_count = 0;
- if (p->count == 0)
- *pp = p->next;
- else
- pp = &p->next;
- }
- }
+ if (h->def_regular
+ && (h->forced_local
+ || info->symbolic))
+ {
+ struct elf_dyn_relocs **pp;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
+ {
+ p->count -= p->pc_count;
+ p->pc_count = 0;
+ if (p->count == 0)
+ *pp = p->next;
+ else
+ pp = &p->next;
+ }
+ }
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (eh->dyn_relocs != NULL
+ && h->root.type == bfd_link_hash_undefweak)
+ {
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+ eh->dyn_relocs = NULL;
+
+ /* Make sure undefined weak symbols are output as a dynamic
+ symbol in PIEs. */
+ else if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+ }
}
else
{
/* For the non-shared case, discard space for relocs against
- symbols which turn out to need copy relocs or are not
- dynamic. */
-
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
- && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- || (htab->root.dynamic_sections_created
- && (h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_undefined))))
- {
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- /* If that succeeded, we know we'll be keeping all the
- relocs. */
- if (h->dynindx != -1)
- goto keep;
- }
+ symbols which turn out to need copy relocs or are not
+ dynamic. */
+
+ if (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || (htab->root.dynamic_sections_created
+ && (h->root.type == bfd_link_hash_undefweak
+ || h->root.type == bfd_link_hash_undefined))))
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (h->dynindx != -1)
+ goto keep;
+ }
eh->dyn_relocs = NULL;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
+ sreloc->size += p->count * sizeof (Elf32_External_Rela);
}
return TRUE;
}
-/* Find any dynamic relocs that apply to read-only sections. */
+
+/* Set DF_TEXTREL if we find any dynamic relocs that apply to
+ read-only sections. */
static bfd_boolean
-readonly_dynrelocs (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
+maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
{
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs *p;
+ asection *sec;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
- eh = (struct elf_m32r_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ sec = readonly_dynrelocs (h);
+ if (sec != NULL)
{
- asection *s = p->sec->output_section;
-
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) inf;
+ struct bfd_link_info *info = (struct bfd_link_info *) info_p;
- info->flags |= DF_TEXTREL;
+ info->flags |= DF_TEXTREL;
+ info->callbacks->minfo
+ (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
+ sec->owner, h->root.root.string, sec);
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
+ /* Not an error, just cut short the traversal. */
+ return FALSE;
}
return TRUE;
}
/* Set the sizes of the dynamic sections. */
static bfd_boolean
-m32r_elf_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
+m32r_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
{
struct elf_m32r_link_hash_table *htab;
bfd *dynobj;
bfd *ibfd;
#ifdef DEBUG_PIC
-printf("m32r_elf_size_dynamic_sections()\n");
+ printf ("m32r_elf_size_dynamic_sections()\n");
#endif
htab = m32r_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->root.dynobj;
BFD_ASSERT (dynobj != NULL);
if (htab->root.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (! info->shared)
+ if (bfd_link_executable (info) && !info->nointerp)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
BFD_ASSERT (s != NULL);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
}
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
asection *srel;
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
- continue;
+ continue;
for (s = ibfd->sections; s != NULL; s = s->next)
- {
- struct elf_m32r_dyn_relocs *p;
-
- for (p = ((struct elf_m32r_dyn_relocs *)
- elf_section_data (s)->local_dynrel);
- p != NULL;
- p = p->next)
- {
- if (! bfd_is_abs_section (p->sec)
- && bfd_is_abs_section (p->sec->output_section))
- {
- /* Input section has been discarded, either because
- it is a copy of a linkonce section or due to
- linker script /DISCARD/, so we'll be discarding
- the relocs too. */
- }
- else if (p->count != 0)
- {
- srel = elf_section_data (p->sec)->sreloc;
- srel->_raw_size += p->count * sizeof (Elf32_External_Rela);
- if ((p->sec->output_section->flags & SEC_READONLY) != 0)
- info->flags |= DF_TEXTREL;
- }
- }
- }
+ {
+ struct elf_dyn_relocs *p;
+
+ for (p = ((struct elf_dyn_relocs *)
+ elf_section_data (s)->local_dynrel);
+ p != NULL;
+ p = p->next)
+ {
+ if (! bfd_is_abs_section (p->sec)
+ && bfd_is_abs_section (p->sec->output_section))
+ {
+ /* Input section has been discarded, either because
+ it is a copy of a linkonce section or due to
+ linker script /DISCARD/, so we'll be discarding
+ the relocs too. */
+ }
+ else if (p->count != 0)
+ {
+ srel = elf_section_data (p->sec)->sreloc;
+ srel->size += p->count * sizeof (Elf32_External_Rela);
+ if ((p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
+ }
+ }
+ }
local_got = elf_local_got_refcounts (ibfd);
if (!local_got)
- continue;
+ continue;
symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
locsymcount = symtab_hdr->sh_info;
end_local_got = local_got + locsymcount;
- s = htab->sgot;
- srel = htab->srelgot;
+ s = htab->root.sgot;
+ srel = htab->root.srelgot;
for (; local_got < end_local_got; ++local_got)
- {
- if (*local_got > 0)
- {
- *local_got = s->_raw_size;
- s->_raw_size += 4;
- if (info->shared)
- srel->_raw_size += sizeof (Elf32_External_Rela);
- }
- else
- *local_got = (bfd_vma) -1;
- }
+ {
+ if (*local_got > 0)
+ {
+ *local_got = s->size;
+ s->size += 4;
+ if (bfd_link_pic (info))
+ srel->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ *local_got = (bfd_vma) -1;
+ }
}
/* Allocate global sym .plt and .got entries, and space for global
sym dynamic relocs. */
- elf_link_hash_traverse (&htab->root, allocate_dynrelocs, (PTR) info);
+ elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
for (s = dynobj->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LINKER_CREATED) == 0)
- continue;
-
- if (s == htab->splt
- || s == htab->sgot
- || s == htab->sgotplt)
- {
- /* Strip this section if we don't need it; see the
- comment below. */
- }
- else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0)
- {
- if (s->_raw_size != 0 && s != htab->srelplt)
- relocs = TRUE;
-
- /* We use the reloc_count field as a counter if we need
- to copy relocs into the output file. */
- s->reloc_count = 0;
- }
+ continue;
+
+ if (s == htab->root.splt
+ || s == htab->root.sgot
+ || s == htab->root.sgotplt
+ || s == htab->sdynbss)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ }
+ else if (CONST_STRNEQ (bfd_section_name (s), ".rela"))
+ {
+ if (s->size != 0 && s != htab->root.srelplt)
+ relocs = TRUE;
+
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ }
else
- {
- /* It's not one of our sections, so don't allocate space. */
- continue;
- }
-
- if (s->_raw_size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is mostly to handle .rela.bss and
- .rela.plt. We must create both sections in
- create_dynamic_sections, because they must be created
- before the linker maps input sections to output
- sections. The linker does that before
- adjust_dynamic_symbol is called, and it is that
- function which decides whether anything needs to go
- into these sections. */
- _bfd_strip_section_from_output (info, s);
- continue;
- }
+ /* It's not one of our sections, so don't allocate space. */
+ continue;
+
+ if (s->size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ s->flags |= SEC_EXCLUDE;
+ continue;
+ }
+
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
/* Allocate memory for the section contents. We use bfd_zalloc
- here in case unused entries are not reclaimed before the
- section's contents are written out. This should not happen,
- but this way if it does, we get a R_M32R_NONE reloc instead
- of garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
+ here in case unused entries are not reclaimed before the
+ section's contents are written out. This should not happen,
+ but this way if it does, we get a R_M32R_NONE reloc instead
+ of garbage. */
+ s->contents = bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
- return FALSE;
+ return FALSE;
}
if (htab->root.dynamic_sections_created)
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (! info->shared)
+ if (bfd_link_executable (info))
{
if (! add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
}
- if (htab->splt->_raw_size != 0)
- {
- if (! add_dynamic_entry (DT_PLTGOT, 0)
- || ! add_dynamic_entry (DT_PLTRELSZ, 0)
- || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
- || ! add_dynamic_entry (DT_JMPREL, 0))
- return FALSE;
- }
+ if (htab->root.splt->size != 0)
+ {
+ if (! add_dynamic_entry (DT_PLTGOT, 0)
+ || ! add_dynamic_entry (DT_PLTRELSZ, 0)
+ || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || ! add_dynamic_entry (DT_JMPREL, 0))
+ return FALSE;
+ }
+
+ if (relocs)
+ {
+ if (! add_dynamic_entry (DT_RELA, 0)
+ || ! add_dynamic_entry (DT_RELASZ, 0)
+ || ! add_dynamic_entry (DT_RELAENT,
+ sizeof (Elf32_External_Rela)))
+ return FALSE;
+
+ /* If any dynamic relocs apply to a read-only section,
+ then we need a DT_TEXTREL entry. */
+ if ((info->flags & DF_TEXTREL) == 0)
+ elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
- if (relocs)
- {
- if (! add_dynamic_entry (DT_RELA, 0)
- || ! add_dynamic_entry (DT_RELASZ, 0)
- || ! add_dynamic_entry (DT_RELAENT,
- sizeof (Elf32_External_Rela)))
- return FALSE;
-
- /* If any dynamic relocs apply to a read-only section,
- then we need a DT_TEXTREL entry. */
- if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->root, readonly_dynrelocs,
- (PTR) info);
-
- if ((info->flags & DF_TEXTREL) != 0)
- {
- if (! add_dynamic_entry (DT_TEXTREL, 0))
- return FALSE;
- }
- }
+ if ((info->flags & DF_TEXTREL) != 0)
+ {
+ if (! add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
}
#undef add_dynamic_entry
return TRUE;
}
+
/* Relocate an M32R/D ELF section.
There is some attempt to make this function usable for many architectures,
both for RELA and REL type relocs, if only to serve as a learning tool.
accordingly. */
static bfd_boolean
-m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- Elf_Internal_Rela *relocs;
- Elf_Internal_Sym *local_syms;
- asection **local_sections;
+m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
{
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
Elf_Internal_Rela *rel, *relend;
/* Assume success. */
bfd_boolean ret = TRUE;
-
struct elf_m32r_link_hash_table *htab = m32r_elf_hash_table (info);
- bfd *dynobj;
bfd_vma *local_got_offsets;
asection *sgot, *splt, *sreloc;
+ bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
+
+ if (htab == NULL)
+ return FALSE;
- dynobj = htab->root.dynobj;
local_got_offsets = elf_local_got_offsets (input_bfd);
- sgot = htab->sgot;
- splt = htab->splt;
+ sgot = htab->root.sgot;
+ splt = htab->root.splt;
sreloc = NULL;
rel = relocs;
unsigned long r_symndx;
struct elf_link_hash_entry *h;
/* We can't modify r_addend here as elf_link_input_bfd has an assert to
- ensure it's zero (we use REL relocs, not RELA). Therefore this
- should be assigning zero to `addend', but for clarity we use
- `r_addend'. */
+ ensure it's zero (we use REL relocs, not RELA). Therefore this
+ should be assigning zero to `addend', but for clarity we use
+ `r_addend'. */
bfd_vma addend = rel->r_addend;
bfd_vma offset = rel->r_offset;
+ bfd_vma relocation;
Elf_Internal_Sym *sym;
asection *sec;
const char *sym_name;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type < 0 || r_type >= (int) R_M32R_max)
{
- (*_bfd_error_handler) (_("%s: unknown relocation type %d"),
- bfd_archive_filename (input_bfd),
- (int) r_type);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ input_bfd, (int) r_type);
bfd_set_error (bfd_error_bad_value);
ret = FALSE;
continue;
}
- if (r_type == R_M32R_GNU_VTENTRY
- || r_type == R_M32R_GNU_VTINHERIT
- || r_type == R_M32R_NONE
- || r_type == R_M32R_RELA_GNU_VTENTRY
- || r_type == R_M32R_RELA_GNU_VTINHERIT)
- continue;
+ if ( r_type == R_M32R_GNU_VTENTRY
+ || r_type == R_M32R_GNU_VTINHERIT
+ || r_type == R_M32R_NONE
+ || r_type == R_M32R_RELA_GNU_VTENTRY
+ || r_type == R_M32R_RELA_GNU_VTINHERIT)
+ continue;
if (r_type <= R_M32R_GNU_VTENTRY)
- use_rel = TRUE;
+ use_rel = TRUE;
howto = m32r_elf_howto_table + r_type;
r_symndx = ELF32_R_SYM (rel->r_info);
- if (info->relocatable && (use_rel == TRUE))
- {
- /* This is a relocatable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- sec = NULL;
- if (r_symndx >= symtab_hdr->sh_info)
- {
- /* External symbol. */
- continue;
- }
+ sym = NULL;
+ sec = NULL;
+ h = NULL;
+ if (r_symndx < symtab_hdr->sh_info)
+ {
/* Local symbol. */
sym = local_syms + r_symndx;
+ sec = local_sections[r_symndx];
sym_name = "<local symbol>";
- /* STT_SECTION: symbol is associated with a section. */
- if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
+
+ if (!use_rel)
{
- /* Symbol isn't associated with a section. Nothing to do. */
- continue;
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+ addend = rel->r_addend;
}
+ else
+ {
+ relocation = (sec->output_section->vma
+ + sec->output_offset
+ + sym->st_value);
+ }
+ }
+ else
+ {
+ /* External symbol. */
+ relocation = 0;
- sec = local_sections[r_symndx];
- addend += sec->output_offset + sym->st_value;
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+
+ if (info->wrap_hash != NULL
+ && (input_section->flags & SEC_DEBUGGING) != 0)
+ h = ((struct elf_link_hash_entry *)
+ unwrap_hash_lookup (info, input_bfd, &h->root));
+
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ sym_name = h->root.root.string;
+
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ {
+ bfd_boolean dyn;
+ sec = h->root.u.def.section;
+
+ dyn = htab->root.dynamic_sections_created;
+ sec = h->root.u.def.section;
+ if (r_type == R_M32R_GOTPC24
+ || (r_type == R_M32R_GOTPC_HI_ULO
+ || r_type == R_M32R_GOTPC_HI_SLO
+ || r_type == R_M32R_GOTPC_LO)
+ || (r_type == R_M32R_26_PLTREL
+ && h->plt.offset != (bfd_vma) -1)
+ || ((r_type == R_M32R_GOT24
+ || r_type == R_M32R_GOT16_HI_ULO
+ || r_type == R_M32R_GOT16_HI_SLO
+ || r_type == R_M32R_GOT16_LO)
+ && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ && (! bfd_link_pic (info)
+ || (! info->symbolic && h->dynindx != -1)
+ || !h->def_regular))
+ || (bfd_link_pic (info)
+ && ((! info->symbolic && h->dynindx != -1)
+ || !h->def_regular)
+ && (((r_type == R_M32R_16_RELA
+ || r_type == R_M32R_32_RELA
+ || r_type == R_M32R_24_RELA
+ || r_type == R_M32R_HI16_ULO_RELA
+ || r_type == R_M32R_HI16_SLO_RELA
+ || r_type == R_M32R_LO16_RELA)
+ && !h->forced_local)
+ || r_type == R_M32R_REL32
+ || r_type == R_M32R_10_PCREL_RELA
+ || r_type == R_M32R_18_PCREL_RELA
+ || r_type == R_M32R_26_PCREL_RELA)
+ && ((input_section->flags & SEC_ALLOC) != 0
+ /* DWARF will emit R_M32R_16(24,32) relocations
+ in its sections against symbols defined
+ externally in shared libraries. We can't do
+ anything with them here. */
+ || ((input_section->flags & SEC_DEBUGGING) != 0
+ && h->def_dynamic))))
+ {
+ /* In these cases, we don't need the relocation
+ value. We check specially because in some
+ obscure cases sec->output_section will be NULL. */
+ }
+ else if (sec->output_section != NULL)
+ relocation = (h->root.u.def.value
+ + sec->output_section->vma
+ + sec->output_offset);
+ else if (!bfd_link_relocatable (info)
+ && (_bfd_elf_section_offset (output_bfd, info,
+ input_section,
+ rel->r_offset)
+ != (bfd_vma) -1))
+ {
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB(%pA+%#" PRIx64 "): unresolvable %s relocation "
+ "against symbol `%s'"),
+ input_bfd,
+ input_section,
+ (uint64_t) rel->r_offset,
+ howto->name,
+ h->root.root.string);
+ }
+ }
+ else if (h->root.type == bfd_link_hash_undefweak)
+ ;
+ else if (info->unresolved_syms_in_objects == RM_IGNORE
+ && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
+ ;
+ else if (!bfd_link_relocatable (info))
+ (*info->callbacks->undefined_symbol)
+ (info, h->root.root.string, input_bfd,
+ input_section, offset,
+ (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
+ || ELF_ST_VISIBILITY (h->other)));
+ }
+
+ if (sec != NULL && discarded_section (sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, 1, relend, howto, 0, contents);
+
+ if (bfd_link_relocatable (info) && !use_rel)
+ {
+ /* This is a relocatable link. We don't have to change
+ anything, unless the reloc is against a section symbol,
+ in which case we have to adjust according to where the
+ section symbol winds up in the output section. */
+ if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ rel->r_addend += sec->output_offset;
+ continue;
+ }
+
+ if (bfd_link_relocatable (info) && use_rel)
+ {
+ /* This is a relocatable link. We don't have to change
+ anything, unless the reloc is against a section symbol,
+ in which case we have to adjust according to where the
+ section symbol winds up in the output section. */
+ if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ continue;
+
+ addend += sec->output_offset;
/* If partial_inplace, we need to store any additional addend
back in the section. */
}
else
{
- bfd_vma relocation;
-
- /* This is a final link. */
- sym = NULL;
- sec = NULL;
- h = NULL;
-
- if (r_symndx < symtab_hdr->sh_info)
+ /* Sanity check the address. */
+ if (offset > high_address)
{
- /* Local symbol. */
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- sym_name = "<local symbol>";
-
- if (use_rel == FALSE)
- {
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
- addend = rel->r_addend;
-
- if (info->relocatable)
- {
- /* This is a relocatable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- rel->r_addend += sec->output_offset + sym->st_value;
-
- continue;
- }
- }
- else
- {
- relocation = (sec->output_section->vma
- + sec->output_offset
- + sym->st_value);
- }
+ r = bfd_reloc_outofrange;
+ goto check_reloc;
}
- else
+
+ switch ((int) r_type)
{
- /* External symbol. */
- if (info->relocatable && (use_rel == FALSE))
- continue;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- sym_name = h->root.root.string;
-
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
+ case R_M32R_GOTOFF:
+ /* Relocation is relative to the start of the global offset
+ table (for ld24 rx, #uimm24). eg access at label+addend
+
+ ld24 rx. #label@GOTOFF + addend
+ sub rx, r12. */
+
+ BFD_ASSERT (sgot != NULL);
+
+ relocation = -(relocation - sgot->output_section->vma);
+ rel->r_addend = -rel->r_addend;
+ break;
+
+ case R_M32R_GOTOFF_HI_ULO:
+ case R_M32R_GOTOFF_HI_SLO:
+ case R_M32R_GOTOFF_LO:
+ BFD_ASSERT (sgot != NULL);
+
+ relocation -= sgot->output_section->vma;
+
+ if ((r_type == R_M32R_GOTOFF_HI_SLO)
+ && ((relocation + rel->r_addend) & 0x8000))
+ rel->r_addend += 0x10000;
+ break;
+
+ case R_M32R_GOTPC24:
+ /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
+ ld24 rx,#_GLOBAL_OFFSET_TABLE_
+ */
+ relocation = sgot->output_section->vma;
+ break;
+
+ case R_M32R_GOTPC_HI_ULO:
+ case R_M32R_GOTPC_HI_SLO:
+ case R_M32R_GOTPC_LO:
+ {
+ /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
+ bl .+4
+ seth rx,#high(_GLOBAL_OFFSET_TABLE_)
+ or3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
+ or
+ bl .+4
+ seth rx,#shigh(_GLOBAL_OFFSET_TABLE_)
+ add3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
+ */
+ relocation = sgot->output_section->vma;
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
+ if ((r_type == R_M32R_GOTPC_HI_SLO)
+ && ((relocation + rel->r_addend) & 0x8000))
+ rel->r_addend += 0x10000;
+
+ break;
+ }
+ case R_M32R_GOT16_HI_ULO:
+ case R_M32R_GOT16_HI_SLO:
+ case R_M32R_GOT16_LO:
+ /* Fall through. */
+ case R_M32R_GOT24:
+ /* Relocation is to the entry for this symbol in the global
+ offset table. */
+ BFD_ASSERT (sgot != NULL);
+
+ if (h != NULL)
{
- bfd_boolean dyn;
- sec = h->root.u.def.section;
-
- dyn = htab->root.dynamic_sections_created;
- sec = h->root.u.def.section;
- if (r_type == R_M32R_GOTPC24
- || (r_type == R_M32R_GOTPC_HI_ULO
- || r_type == R_M32R_GOTPC_HI_SLO
- || r_type == R_M32R_GOTPC_LO)
- || (r_type == R_M32R_26_PLTREL
- && h->plt.offset != (bfd_vma) -1)
- || ((r_type == R_M32R_GOT24
- || r_type == R_M32R_GOT16_HI_ULO
- || r_type == R_M32R_GOT16_HI_SLO
- || r_type == R_M32R_GOT16_LO)
- && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
- info->shared, h)
- && (! info->shared
- || (! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- || (info->shared
- && ((! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)
- && (((r_type == R_M32R_16_RELA
- || r_type == R_M32R_32_RELA
- || r_type == R_M32R_24_RELA
- || r_type == R_M32R_HI16_ULO_RELA
- || r_type == R_M32R_HI16_SLO_RELA
- || r_type == R_M32R_LO16_RELA)
- && (h->elf_link_hash_flags
- & ELF_LINK_FORCED_LOCAL) == 0)
- || r_type == R_M32R_10_PCREL_RELA
- || r_type == R_M32R_18_PCREL_RELA
- || r_type == R_M32R_26_PCREL_RELA)
- && ((input_section->flags & SEC_ALLOC) != 0
- /* DWARF will emit R_M32R_16(24,32) relocations
- in its sections against symbols defined
- externally in shared libraries. We can't do
- anything with them here. */
- || ((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_DYNAMIC) != 0))))
- {
- /* In these cases, we don't need the relocation
- value. We check specially because in some
- obscure cases sec->output_section will be NULL. */
- relocation = 0;
- }
- else if (sec->output_section == NULL)
- {
- (*_bfd_error_handler)
- (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"),
- bfd_get_filename (input_bfd), h->root.root.string,
- bfd_get_section_name (input_bfd, input_section));
-
- relocation = 0;
- }
- else
- relocation = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
+ bfd_boolean dyn;
+ bfd_vma off;
+
+ off = h->got.offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+
+ dyn = htab->root.dynamic_sections_created;
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ || (bfd_link_pic (info)
+ && (info->symbolic
+ || h->dynindx == -1
+ || h->forced_local)
+ && h->def_regular))
+ {
+ /* This is actually a static link, or it is a
+ -Bsymbolic link and the symbol is defined
+ locally, or the symbol was forced to be local
+ because of a version file. We must initialize
+ this entry in the global offset table. Since the
+ offset must always be a multiple of 4, we use the
+ least significant bit to record whether we have
+ initialized it already.
+
+ When doing a dynamic link, we create a .rela.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation,
+ sgot->contents + off);
+ h->got.offset |= 1;
+ }
+ }
+
+ relocation = sgot->output_offset + off;
}
- else if (h->root.type == bfd_link_hash_undefweak)
- relocation = 0;
- else if (info->unresolved_syms_in_objects == RM_IGNORE
- && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
- relocation = 0;
else
{
- if (! ((*info->callbacks->undefined_symbol)
- (info, h->root.root.string, input_bfd,
- input_section, offset,
- (info->unresolved_syms_in_objects == RM_GENERATE_ERROR
- || ELF_ST_VISIBILITY (h->other)))))
- return FALSE;
- relocation = 0;
+ bfd_vma off;
+ bfd_byte *loc;
+
+ BFD_ASSERT (local_got_offsets != NULL
+ && local_got_offsets[r_symndx] != (bfd_vma) -1);
+
+ off = local_got_offsets[r_symndx];
+
+ /* The offset must always be a multiple of 4. We use
+ the least significant bit to record whether we have
+ already processed this entry. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_put_32 (output_bfd, relocation, sgot->contents + off);
+
+ if (bfd_link_pic (info))
+ {
+ asection *srelgot;
+ Elf_Internal_Rela outrel;
+
+ /* We need to generate a R_M32R_RELATIVE reloc
+ for the dynamic linker. */
+ srelgot = htab->root.srelgot;
+ BFD_ASSERT (srelgot != NULL);
+
+ outrel.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + off);
+ outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
+ outrel.r_addend = relocation;
+ loc = srelgot->contents;
+ loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
+ ++srelgot->reloc_count;
+ }
+
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ relocation = sgot->output_offset + off;
}
- }
+ if ((r_type == R_M32R_GOT16_HI_SLO)
+ && ((relocation + rel->r_addend) & 0x8000))
+ rel->r_addend += 0x10000;
- /* Sanity check the address. */
- if (offset > input_section->_raw_size)
- {
- r = bfd_reloc_outofrange;
- goto check_reloc;
- }
+ break;
- switch ((int) r_type)
- {
- case R_M32R_GOTPC24:
- /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
- ld24 rx,#_GLOBAL_OFFSET_TABLE_
- */
- relocation = sgot->output_section->vma;
- break;
-
- case R_M32R_GOTPC_HI_ULO:
- case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
- {
- /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
- bl .+4
- seth rx,#high(_GLOBAL_OFFSET_TABLE_)
- or3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
- or
- bl .+4
- seth rx,#shigh(_GLOBAL_OFFSET_TABLE_)
- add3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4)
- */
- relocation = sgot->output_section->vma;
- relocation -= (input_section->output_section->vma
- + input_section->output_offset
- + rel->r_offset);
- if ((r_type == R_M32R_GOTPC_HI_SLO)
- && ((relocation + rel->r_addend) & 0x8000))
- rel->r_addend += 0x10000;
-
- break;
- }
- case R_M32R_GOT16_HI_ULO:
- case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
- /* Fall through. */
- case R_M32R_GOT24:
- /* Relocation is to the entry for this symbol in the global
- offset table. */
- BFD_ASSERT (sgot != NULL);
-
- if (h != NULL)
- {
- bfd_boolean dyn;
- bfd_vma off;
-
- off = h->got.offset;
- BFD_ASSERT (off != (bfd_vma) -1);
-
- dyn = htab->root.dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
- && (info->symbolic
- || h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
- {
- /* This is actually a static link, or it is a
- -Bsymbolic link and the symbol is defined
- locally, or the symbol was forced to be local
- because of a version file. We must initialize
- this entry in the global offset table. Since the
- offset must always be a multiple of 4, we use the
- least significant bit to record whether we have
- initialized it already.
-
- When doing a dynamic link, we create a .rela.got
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_32 (output_bfd, relocation,
- sgot->contents + off);
- h->got.offset |= 1;
- }
- }
-
- relocation = sgot->output_offset + off;
- }
- else
- {
- bfd_vma off;
- bfd_byte *loc;
-
- BFD_ASSERT (local_got_offsets != NULL
- && local_got_offsets[r_symndx] != (bfd_vma) -1);
-
- off = local_got_offsets[r_symndx];
-
- /* The offset must always be a multiple of 4. We use
- the least significant bit to record whether we have
- already processed this entry. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_32 (output_bfd, relocation, sgot->contents + off);
-
- if (info->shared)
- {
- asection *srelgot;
- Elf_Internal_Rela outrel;
-
- /* We need to generate a R_M32R_RELATIVE reloc
- for the dynamic linker. */
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- BFD_ASSERT (srelgot != NULL);
-
- outrel.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + off);
- outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
- outrel.r_addend = relocation;
- loc = srelgot->contents;
- loc += srelgot->reloc_count * sizeof(Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
- ++srelgot->reloc_count;
- }
-
- local_got_offsets[r_symndx] |= 1;
- }
-
- relocation = sgot->output_offset + off;
- }
- if ((r_type == R_M32R_GOT16_HI_SLO)
- && ((relocation + rel->r_addend) & 0x8000))
- rel->r_addend += 0x10000;
-
- break;
-
- case R_M32R_26_PLTREL:
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
-
- /* The native assembler will generate a 26_PLTREL reloc
- for a local symbol if you assemble a call from one
- section to another when using -K pic. */
- if (h == NULL)
- break;
-
- //if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
- // || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
- // break;
- if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
- break;
-
- if (h->plt.offset == (bfd_vma) -1)
- {
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- break;
- }
-
- relocation = (splt->output_section->vma
- + splt->output_offset
- + h->plt.offset);
- break;
-
- case R_M32R_HI16_SLO_RELA:
- {
- if ((relocation + rel->r_addend) & 0x8000)
- {
- rel->r_addend += 0x10000;
- }
- }
- /* Fall through. */
- case R_M32R_16_RELA:
- case R_M32R_24_RELA:
- case R_M32R_32_RELA:
- case R_M32R_18_PCREL_RELA:
- case R_M32R_26_PCREL_RELA:
- case R_M32R_HI16_ULO_RELA:
- case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
- if (info->shared
- && r_symndx != 0
- && (input_section->flags & SEC_ALLOC) != 0
- && ((r_type != R_M32R_18_PCREL_RELA
- && r_type != R_M32R_26_PCREL_RELA)
- || (h != NULL
- && h->dynindx != -1
- && (! info->symbolic
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
- {
- Elf_Internal_Rela outrel;
- bfd_boolean skip, relocate;
- bfd_byte *loc;
-
- /* When generating a shared object, these relocations
- are copied into the output file to be resolved at run
- time. */
-
- if (sreloc == NULL)
- {
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && strcmp (bfd_get_section_name (input_bfd,
- input_section),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (dynobj, name);
- BFD_ASSERT (sreloc != NULL);
- }
-
- skip = FALSE;
- relocate = FALSE;
-
- outrel.r_offset = _bfd_elf_section_offset (output_bfd,
- info,
- input_section,
- rel->r_offset);
- if (outrel.r_offset == (bfd_vma) -1)
- skip = TRUE;
- else if (outrel.r_offset == (bfd_vma) -2)
- skip = TRUE, relocate = TRUE;
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
-
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- else if (r_type == R_M32R_18_PCREL_RELA
- || r_type == R_M32R_26_PCREL_RELA)
- {
- BFD_ASSERT (h != NULL && h->dynindx != -1);
- outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
- outrel.r_addend = rel->r_addend;
- }
- else
- {
- /* h->dynindx may be -1 if this symbol was marked to
- become local. */
- if (h == NULL
- || ((info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) != 0))
- {
- relocate = TRUE;
- outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
- outrel.r_addend = relocation + rel->r_addend;
- }
- else
- {
- BFD_ASSERT (h->dynindx != -1);
- outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
- outrel.r_addend = relocation + rel->r_addend;
- }
- }
-
- loc = sreloc->contents;
- loc += sreloc->reloc_count * sizeof(Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
- ++sreloc->reloc_count;
-
- /* If this reloc is against an external symbol, we do
- not want to fiddle with the addend. Otherwise, we
- need to include the symbol value so that it becomes
- an addend for the dynamic reloc. */
- if (! relocate)
- continue;
- }
- break;
+ case R_M32R_26_PLTREL:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+
+ /* The native assembler will generate a 26_PLTREL reloc
+ for a local symbol if you assemble a call from one
+ section to another when using -K pic. */
+ if (h == NULL)
+ break;
+
+ if (h->forced_local)
+ break;
+
+ if (h->plt.offset == (bfd_vma) -1)
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ break;
+
+ relocation = (splt->output_section->vma
+ + splt->output_offset
+ + h->plt.offset);
+ break;
+
+ case R_M32R_HI16_SLO_RELA:
+ if ((relocation + rel->r_addend) & 0x8000)
+ rel->r_addend += 0x10000;
+ /* Fall through. */
+
+ case R_M32R_16_RELA:
+ case R_M32R_24_RELA:
+ case R_M32R_32_RELA:
+ case R_M32R_REL32:
+ case R_M32R_10_PCREL_RELA:
+ case R_M32R_18_PCREL_RELA:
+ case R_M32R_26_PCREL_RELA:
+ case R_M32R_HI16_ULO_RELA:
+ case R_M32R_LO16_RELA:
+ if (bfd_link_pic (info)
+ && r_symndx != STN_UNDEF
+ && (input_section->flags & SEC_ALLOC) != 0
+ && (( r_type != R_M32R_10_PCREL_RELA
+ && r_type != R_M32R_18_PCREL_RELA
+ && r_type != R_M32R_26_PCREL_RELA
+ && r_type != R_M32R_REL32)
+ || (h != NULL
+ && h->dynindx != -1
+ && (! info->symbolic
+ || !h->def_regular))))
+ {
+ Elf_Internal_Rela outrel;
+ bfd_boolean skip, relocate;
+ bfd_byte *loc;
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+ if (sreloc == NULL)
+ {
+ sreloc = _bfd_elf_get_dynamic_reloc_section
+ (input_bfd, input_section, /*rela?*/ TRUE);
+ if (sreloc == NULL)
+ return FALSE;
+ }
+
+ skip = FALSE;
+ relocate = FALSE;
+
+ outrel.r_offset = _bfd_elf_section_offset (output_bfd,
+ info,
+ input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = TRUE;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = relocate = TRUE;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ memset (&outrel, 0, sizeof outrel);
+ else if ( r_type == R_M32R_10_PCREL_RELA
+ || r_type == R_M32R_18_PCREL_RELA
+ || r_type == R_M32R_26_PCREL_RELA
+ || r_type == R_M32R_REL32)
+ {
+ BFD_ASSERT (h != NULL && h->dynindx != -1);
+ outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ else
+ {
+ /* h->dynindx may be -1 if this symbol was marked to
+ become local. */
+ if (h == NULL
+ || ((info->symbolic || h->dynindx == -1)
+ && h->def_regular))
+ {
+ relocate = TRUE;
+ outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ BFD_ASSERT (h->dynindx != -1);
+ outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ }
+
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
+ ++sreloc->reloc_count;
+
+ /* If this reloc is against an external symbol, we do
+ not want to fiddle with the addend. Otherwise, we
+ need to include the symbol value so that it becomes
+ an addend for the dynamic reloc. */
+ if (! relocate)
+ continue;
+ break;
+ }
+ else if (r_type != R_M32R_10_PCREL_RELA)
+ break;
+ /* Fall through. */
case (int) R_M32R_10_PCREL :
r = m32r_elf_do_10_pcrel_reloc (input_bfd, howto, input_section,
contents, offset,
sec, relocation, addend);
- goto check_reloc;
+ goto check_reloc;
case (int) R_M32R_HI16_SLO :
case (int) R_M32R_HI16_ULO :
relocation, addend);
}
- goto check_reloc;
+ goto check_reloc;
+ case (int) R_M32R_SDA16_RELA:
case (int) R_M32R_SDA16 :
{
const char *name;
BFD_ASSERT (sec != NULL);
- name = bfd_get_section_name (abfd, sec);
+ name = bfd_section_name (sec);
- if (strcmp (name, ".sdata") == 0
+ if ( strcmp (name, ".sdata") == 0
|| strcmp (name, ".sbss") == 0
|| strcmp (name, ".scommon") == 0)
{
}
else
{
- (*_bfd_error_handler)
- (_("%s: The target (%s) of an %s relocation is in the wrong section (%s)"),
- bfd_archive_filename (input_bfd),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: the target (%s) of an %s relocation"
+ " is in the wrong section (%pA)"),
+ input_bfd,
sym_name,
m32r_elf_howto_table[(int) r_type].name,
- bfd_get_section_name (abfd, sec));
+ sec);
/*bfd_set_error (bfd_error_bad_value); ??? why? */
ret = FALSE;
continue;
}
}
- /* fall through */
+ /* Fall through. */
default : /* OLD_M32R_RELOC */
goto check_reloc;
}
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
}
name = (bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name));
if (name == NULL || *name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
if (errmsg != NULL)
switch (r)
{
case bfd_reloc_overflow:
- if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, offset)))
- return FALSE;
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, offset);
break;
case bfd_reloc_undefined:
- if (! ((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section, offset, TRUE);
break;
case bfd_reloc_outofrange:
/* fall through */
common_error:
- if (!((*info->callbacks->warning)
- (info, errmsg, name, input_bfd, input_section,
- offset)))
- return FALSE;
+ (*info->callbacks->warning) (info, errmsg, name, input_bfd,
+ input_section, offset);
break;
}
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
+
static bfd_boolean
-m32r_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
- bfd *output_bfd;
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
+m32r_elf_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
struct elf_m32r_link_hash_table *htab;
- bfd *dynobj;
bfd_byte *loc;
#ifdef DEBUG_PIC
-printf("m32r_elf_finish_dynamic_symbol()\n");
+ printf ("m32r_elf_finish_dynamic_symbol()\n");
#endif
htab = m32r_elf_hash_table (info);
- dynobj = htab->root.dynobj;
+ if (htab == NULL)
+ return FALSE;
if (h->plt.offset != (bfd_vma) -1)
{
Elf_Internal_Rela rela;
/* This symbol has an entry in the procedure linkage table. Set
- it up. */
+ it up. */
BFD_ASSERT (h->dynindx != -1);
- splt = htab->splt;
- sgot = htab->sgotplt;
- srela = htab->srelplt;
+ splt = htab->root.splt;
+ sgot = htab->root.sgotplt;
+ srela = htab->root.srelplt;
BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
/* Get the index in the procedure linkage table which
- corresponds to this symbol. This is the index of this symbol
- in all the symbols for which we are making plt entries. The
- first entry in the procedure linkage table is reserved. */
+ corresponds to this symbol. This is the index of this symbol
+ in all the symbols for which we are making plt entries. The
+ first entry in the procedure linkage table is reserved. */
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
- /* Get the offset into the .got table of the entry that
- corresponds to this function. Each .got entry is 4 bytes.
- The first three are reserved. */
- got_offset = (plt_index + 3) * 4;
-
- /* Fill in the entry in the procedure linkage table. */
- if (! info->shared)
- {
- bfd_put_32 (output_bfd,
- (PLT_ENTRY_WORD0b
- + (((sgot->output_section->vma
- + sgot->output_offset
- + got_offset) >> 16) & 0xffff)),
- splt->contents + h->plt.offset);
- bfd_put_32 (output_bfd,
- (PLT_ENTRY_WORD1b
- + ((sgot->output_section->vma
- + sgot->output_offset
- + got_offset) & 0xffff)),
- splt->contents + h->plt.offset + 4);
- bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
- splt->contents + h->plt.offset + 8);
- bfd_put_32 (output_bfd,
- (PLT_ENTRY_WORD3
- + plt_index * sizeof (Elf32_External_Rela)),
- splt->contents + h->plt.offset + 12);
- bfd_put_32 (output_bfd,
- (PLT_ENTRY_WORD4
- + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
- splt->contents + h->plt.offset + 16);
- }
- else
- {
- bfd_put_32 (output_bfd,
- PLT_ENTRY_WORD0 + got_offset,
- splt->contents + h->plt.offset);
- bfd_put_32 (output_bfd, PLT_ENTRY_WORD1,
- splt->contents + h->plt.offset + 4);
- bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
- splt->contents + h->plt.offset + 8);
- bfd_put_32 (output_bfd,
- (PLT_ENTRY_WORD3
- + plt_index * sizeof (Elf32_External_Rela)),
- splt->contents + h->plt.offset + 12);
- bfd_put_32 (output_bfd,
- (PLT_ENTRY_WORD4
- + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
- splt->contents + h->plt.offset + 16);
- }
-
- /* Fill in the entry in the global offset table. */
- bfd_put_32 (output_bfd,
- (splt->output_section->vma
- + splt->output_offset
- + h->plt.offset
- + 12), /* same offset */
- sgot->contents + got_offset);
-
- /* Fill in the entry in the .rela.plt section. */
- rela.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + got_offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_JMP_SLOT);
- rela.r_addend = 0;
- loc = srela->contents;
- loc += plt_index * sizeof(Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
-
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- {
- /* Mark the symbol as undefined, rather than as defined in
- the .plt section. Leave the value alone. */
- sym->st_shndx = SHN_UNDEF;
- }
- }
-
- if (h->got.offset != (bfd_vma) -1)
- {
- asection *sgot;
- asection *srela;
- Elf_Internal_Rela rela;
-
- /* This symbol has an entry in the global offset table. Set it
- up. */
-
- sgot = htab->sgot;
- srela = htab->srelgot;
- BFD_ASSERT (sgot != NULL && srela != NULL);
-
- rela.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + (h->got.offset &~ 1));
-
- /* If this is a -Bsymbolic link, and the symbol is defined
- locally, we just want to emit a RELATIVE reloc. Likewise if
- the symbol was forced to be local because of a version file.
- The entry in the global offset table will already have been
- initialized in the relocate_section function. */
- if (info->shared
- && (info->symbolic
- || h->dynindx == -1
- || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
- {
- rela.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
- rela.r_addend = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- }
- else
- {
- BFD_ASSERT((h->got.offset & 1) == 0);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_GLOB_DAT);
- rela.r_addend = 0;
- }
-
- loc = srela->contents;
- loc += srela->reloc_count * sizeof(Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- ++srela->reloc_count;
- }
-
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
- {
- asection *s;
- Elf_Internal_Rela rela;
-
- /* This symbols needs a copy reloc. Set it up. */
-
- BFD_ASSERT (h->dynindx != -1
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak));
-
- s = bfd_get_section_by_name (h->root.u.def.section->owner,
- ".rela.bss");
- BFD_ASSERT (s != NULL);
-
- rela.r_offset = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_COPY);
- rela.r_addend = 0;
- loc = s->contents;
- loc += s->reloc_count * sizeof(Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- ++s->reloc_count;
- }
-
- /* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- sym->st_shndx = SHN_ABS;
-
- return TRUE;
-}
-
-
-/* Finish up the dynamic sections. */
-
-static bfd_boolean
-m32r_elf_finish_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
-{
- struct elf_m32r_link_hash_table *htab;
- bfd *dynobj;
- asection *sdyn;
- asection *sgot;
-
-#ifdef DEBUG_PIC
-printf("m32r_elf_finish_dynamic_sections()\n");
-#endif
-
- htab = m32r_elf_hash_table (info);
- dynobj = htab->root.dynobj;
-
- sgot = htab->sgotplt;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
-
- if (htab->root.dynamic_sections_created)
- {
- asection *splt;
- Elf32_External_Dyn *dyncon, *dynconend;
-
- BFD_ASSERT (sgot != NULL && sdyn != NULL);
-
- dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
-
- for (; dyncon < dynconend; dyncon++)
- {
- Elf_Internal_Dyn dyn;
- const char *name;
- asection *s;
-
- bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
-
- switch (dyn.d_tag)
- {
- default:
- break;
-
- case DT_PLTGOT:
- name = ".got";
- s = htab->sgot->output_section;
- goto get_vma;
- case DT_JMPREL:
- name = ".rela.plt";
- s = htab->srelplt->output_section;
- get_vma:
- BFD_ASSERT (s != NULL);
- dyn.d_un.d_ptr = s->vma;
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- break;
-
- case DT_PLTRELSZ:
- s = htab->srelplt->output_section;
- BFD_ASSERT (s != NULL);
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- break;
-
- case DT_RELASZ:
- /* My reading of the SVR4 ABI indicates that the
- procedure linkage table relocs (DT_JMPREL) should be
- included in the overall relocs (DT_RELA). This is
- what Solaris does. However, UnixWare can not handle
- that case. Therefore, we override the DT_RELASZ entry
- here to make it not include the JMPREL relocs. Since
- the linker script arranges for .rela.plt to follow all
- other relocation sections, we don't have to worry
- about changing the DT_RELA entry. */
- if (htab->srelplt != NULL)
- {
- s = htab->srelplt->output_section;
- if (s->_cooked_size != 0)
- dyn.d_un.d_val -= s->_cooked_size;
- else
- dyn.d_un.d_val -= s->_raw_size;
- }
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- break;
- }
- }
-
- /* Fill in the first entry in the procedure linkage table. */
- splt = htab->splt;
- if (splt && splt->_raw_size > 0)
- {
- if (info->shared)
- {
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
- }
- else
- {
- unsigned long addr;
- /* addr = .got + 4 */
- addr = sgot->output_section->vma + sgot->output_offset + 4;
- bfd_put_32 (output_bfd,
- PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
- splt->contents);
- bfd_put_32 (output_bfd,
- PLT0_ENTRY_WORD1 | (addr & 0xffff),
- splt->contents + 4);
- bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
- bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
- bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
- }
-
- elf_section_data (splt->output_section)->this_hdr.sh_entsize =
- PLT_ENTRY_SIZE;
- }
- }
-
- /* Fill in the first three entries in the global offset table. */
- if (sgot && sgot->_raw_size > 0)
- {
- if (sdyn == NULL)
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
- else
- bfd_put_32 (output_bfd,
- sdyn->output_section->vma + sdyn->output_offset,
- sgot->contents);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
-
- elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
- }
-
- return TRUE;
-}
-
-\f
-#if 0 /* relaxing not supported yet */
-
-/* This function handles relaxing for the m32r.
- Relaxing on the m32r is tricky because of instruction alignment
- requirements (4 byte instructions must be aligned on 4 byte boundaries).
-
- The following relaxing opportunities are handled:
-
- seth/add3/jl -> bl24 or bl8
- seth/add3 -> ld24
-
- It would be nice to handle bl24 -> bl8 but given:
-
- - 4 byte insns must be on 4 byte boundaries
- - branch instructions only branch to insns on 4 byte boundaries
-
- this isn't much of a win because the insn in the 2 "deleted" bytes
- must become a nop. With some complexity some real relaxation could be
- done but the frequency just wouldn't make it worth it; it's better to
- try to do all the code compaction one can elsewhere.
- When the chip supports parallel 16 bit insns, things may change.
-*/
-
-static bfd_boolean
-m32r_elf_relax_section (abfd, sec, link_info, again)
- bfd *abfd;
- asection *sec;
- struct bfd_link_info *link_info;
- bfd_boolean *again;
-{
- Elf_Internal_Shdr *symtab_hdr;
- /* The Rela structures are used here because that's what
- _bfd_elf_link_read_relocs uses [for convenience - it sets the addend
- field to 0]. */
- Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Rela *irel, *irelend;
- bfd_byte *contents = NULL;
- Elf_Internal_Sym *isymbuf = NULL;
-
- /* Assume nothing changes. */
- *again = FALSE;
-
- /* We don't have to do anything for a relocatable link, if
- this section does not have relocs, or if this is not a
- code section. */
- if (link_info->relocatable
- || (sec->flags & SEC_RELOC) == 0
- || sec->reloc_count == 0
- || (sec->flags & SEC_CODE) == 0
- || 0 /* FIXME: check SHF_M32R_CAN_RELAX */)
- return TRUE;
-
- /* If this is the first time we have been called for this section,
- initialize the cooked size. */
- if (sec->_cooked_size == 0)
- sec->_cooked_size = sec->_raw_size;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
-
- /* Get a copy of the native relocations. */
- internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
- link_info->keep_memory));
- if (internal_relocs == NULL)
- goto error_return;
-
- /* Walk through them looking for relaxing opportunities. */
- irelend = internal_relocs + sec->reloc_count;
- for (irel = internal_relocs; irel < irelend; irel++)
- {
- bfd_vma symval;
-
- /* If this isn't something that can be relaxed, then ignore
- this reloc. */
- if (ELF32_R_TYPE (irel->r_info) != (int) R_M32R_HI16_SLO)
- continue;
-
- /* Get the section contents if we haven't done so already. */
- if (contents == NULL)
- {
- /* Get cached copy if it exists. */
- if (elf_section_data (sec)->this_hdr.contents != NULL)
- contents = elf_section_data (sec)->this_hdr.contents;
- else
- {
- /* Go get them off disk. */
- contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
- if (contents == NULL)
- goto error_return;
-
- if (! bfd_get_section_contents (abfd, sec, contents,
- (file_ptr) 0, sec->_raw_size))
- goto error_return;
- }
- }
-
- /* Read this BFD's local symbols if we haven't done so already. */
- if (isymbuf == NULL && symtab_hdr->sh_info != 0)
- {
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (isymbuf == NULL)
- isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (isymbuf == NULL)
- goto error_return;
- }
+ /* Get the offset into the .got table of the entry that
+ corresponds to this function. Each .got entry is 4 bytes.
+ The first three are reserved. */
+ got_offset = (plt_index + 3) * 4;
- /* Get the value of the symbol referred to by the reloc. */
- if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
+ /* Fill in the entry in the procedure linkage table. */
+ if (! bfd_link_pic (info))
{
- /* A local symbol. */
- Elf_Internal_Sym *isym;
- asection *sym_sec;
-
- isym = isymbuf + ELF32_R_SYM (irel->r_info),
- sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- symval = (isym->st_value
- + sym_sec->output_section->vma
- + sym_sec->output_offset);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD0b
+ + (((sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset) >> 16) & 0xffff)),
+ splt->contents + h->plt.offset);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD1b
+ + ((sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset) & 0xffff)),
+ splt->contents + h->plt.offset + 4);
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
+ splt->contents + h->plt.offset + 8);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD3
+ + plt_index * sizeof (Elf32_External_Rela)),
+ splt->contents + h->plt.offset + 12);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD4
+ + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
+ splt->contents + h->plt.offset + 16);
}
else
{
- unsigned long indx;
- struct elf_link_hash_entry *h;
-
- /* An external symbol. */
- indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
- h = elf_sym_hashes (abfd)[indx];
- BFD_ASSERT (h != NULL);
- if (h->root.type != bfd_link_hash_defined
- && h->root.type != bfd_link_hash_defweak)
- {
- /* This appears to be a reference to an undefined
- symbol. Just ignore it--it will be caught by the
- regular reloc processing. */
- continue;
- }
-
- symval = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
+ bfd_put_32 (output_bfd,
+ PLT_ENTRY_WORD0 + got_offset,
+ splt->contents + h->plt.offset);
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD1,
+ splt->contents + h->plt.offset + 4);
+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD2,
+ splt->contents + h->plt.offset + 8);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD3
+ + plt_index * sizeof (Elf32_External_Rela)),
+ splt->contents + h->plt.offset + 12);
+ bfd_put_32 (output_bfd,
+ (PLT_ENTRY_WORD4
+ + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
+ splt->contents + h->plt.offset + 16);
}
- /* For simplicity of coding, we are going to modify the section
- contents, the section relocs, and the BFD symbol table. We
- must tell the rest of the code not to free up this
- information. It would be possible to instead create a table
- of changes which have to be made, as is done in coff-mips.c;
- that would be more work, but would require less memory when
- the linker is run. */
+ /* Fill in the entry in the global offset table. */
+ bfd_put_32 (output_bfd,
+ (splt->output_section->vma
+ + splt->output_offset
+ + h->plt.offset
+ + 12), /* same offset */
+ sgot->contents + got_offset);
- /* Try to change a seth/add3/jl subroutine call to bl24 or bl8.
- This sequence is generated by the compiler when compiling in
- 32 bit mode. Also look for seth/add3 -> ld24. */
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_JMP_SLOT);
+ rela.r_addend = 0;
+ loc = srela->contents;
+ loc += plt_index * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- if (ELF32_R_TYPE (irel->r_info) == (int) R_M32R_HI16_SLO)
+ if (!h->def_regular)
{
- Elf_Internal_Rela *nrel;
- bfd_vma pc = (sec->output_section->vma + sec->output_offset
- + irel->r_offset);
- bfd_signed_vma pcrel_value = symval - pc;
- unsigned int code,reg;
- int addend,nop_p,bl8_p,to_delete;
-
- /* The tests are ordered so that we get out as quickly as possible
- if this isn't something we can relax, taking into account that
- we are looking for two separate possibilities (jl/ld24). */
-
- /* Do nothing if no room in the section for this to be what we're
- looking for. */
- if (irel->r_offset > sec->_cooked_size - 8)
- continue;
-
- /* Make sure the next relocation applies to the next
- instruction and that it's the add3's reloc. */
- nrel = irel + 1;
- if (nrel == irelend
- || irel->r_offset + 4 != nrel->r_offset
- || ELF32_R_TYPE (nrel->r_info) != (int) R_M32R_LO16)
- continue;
-
- /* See if the instructions are seth/add3. */
- /* FIXME: This is where macros from cgen can come in. */
- code = bfd_get_16 (abfd, contents + irel->r_offset + 0);
- if ((code & 0xf0ff) != 0xd0c0)
- continue; /* not seth rN,foo */
- reg = (code & 0x0f00) >> 8;
- code = bfd_get_16 (abfd, contents + irel->r_offset + 4);
- if (code != (0x80a0 | reg | (reg << 8)))
- continue; /* not add3 rN,rN,foo */
-
- /* At this point we've confirmed we have seth/add3. Now check
- whether the next insn is a jl, in which case try to change this
- to bl24 or bl8. */
-
- /* Ensure the branch target is in range.
- The bl24 instruction has a 24 bit operand which is the target
- address right shifted by 2, giving a signed range of 26 bits.
- Note that 4 bytes are added to the high value because the target
- will be at least 4 bytes closer if we can relax. It'll actually
- be 4 or 8 bytes closer, but we don't know which just yet and
- the difference isn't significant enough to worry about. */
-#if !USE_REL /* put in for learning purposes */
- pcrel_value += irel->r_addend;
-#else
- addend = bfd_get_signed_16 (abfd, contents + irel->r_offset + 2);
- pcrel_value += addend;
-#endif
-
- if (pcrel_value >= -(1 << 25) && pcrel_value < (1 << 25) + 4
- /* Do nothing if no room in the section for this to be what we're
- looking for. */
- && (irel->r_offset <= sec->_cooked_size - 12)
- /* Ensure the next insn is "jl rN". */
- && ((code = bfd_get_16 (abfd, contents + irel->r_offset + 8)),
- code != (0x1ec0 | reg)))
- {
- /* We can relax to bl24/bl8. */
-
- /* See if there's a nop following the jl.
- Also see if we can use a bl8 insn. */
- code = bfd_get_16 (abfd, contents + irel->r_offset + 10);
- nop_p = (code & 0x7fff) == NOP_INSN;
- bl8_p = pcrel_value >= -0x200 && pcrel_value < 0x200;
-
- if (bl8_p)
- {
- /* Change "seth rN,foo" to "bl8 foo || nop".
- We OR in CODE just in case it's not a nop (technically,
- CODE currently must be a nop, but for cleanness we
- allow it to be anything). */
-#if !USE_REL /* put in for learning purposes */
- code = 0x7e000000 | MAKE_PARALLEL (code);
-#else
- code = (0x7e000000 + (((addend >> 2) & 0xff) << 16)) | MAKE_PARALLEL (code);
-#endif
- to_delete = 8;
- }
- else
- {
- /* Change the seth rN,foo to a bl24 foo. */
-#if !USE_REL /* put in for learning purposes */
- code = 0xfe000000;
-#else
- code = 0xfe000000 + ((addend >> 2) & 0xffffff);
-#endif
- to_delete = nop_p ? 8 : 4;
- }
-
- bfd_put_32 (abfd, code, contents + irel->r_offset);
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Leave the value alone. */
+ sym->st_shndx = SHN_UNDEF;
+ }
+ }
- /* Set the new reloc type. */
- irel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
- bl8_p ? R_M32R_10_PCREL : R_M32R_26_PCREL);
+ if (h->got.offset != (bfd_vma) -1)
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
- /* Delete the add3 reloc by making it a null reloc. */
- nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
- R_M32R_NONE);
- }
- else if (addend >= 0
- && symval + addend <= 0xffffff)
- {
- /* We can relax to ld24. */
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
- code = 0xe0000000 | (reg << 24) | (addend & 0xffffff);
- bfd_put_32 (abfd, code, contents + irel->r_offset);
- to_delete = 4;
- /* Tell the following code a nop filler isn't needed. */
- nop_p = 1;
- }
- else
- {
- /* Can't do anything here. */
- continue;
- }
+ sgot = htab->root.sgot;
+ srela = htab->root.srelgot;
+ BFD_ASSERT (sgot != NULL && srela != NULL);
- /* Note that we've changed the relocs, section contents, etc. */
- elf_section_data (sec)->relocs = internal_relocs;
- elf_section_data (sec)->this_hdr.contents = contents;
- symtab_hdr->contents = (unsigned char *) isymbuf;
-
- /* Delete TO_DELETE bytes of data. */
- if (!m32r_elf_relax_delete_bytes (abfd, sec,
- irel->r_offset + 4, to_delete))
- goto error_return;
-
- /* Now that the following bytes have been moved into place, see if
- we need to replace the jl with a nop. This happens when we had
- to use a bl24 insn and the insn following the jl isn't a nop.
- Technically, this situation can't happen (since the insn can
- never be executed) but to be clean we do this. When the chip
- supports parallel 16 bit insns things may change.
- We don't need to do this in the case of relaxing to ld24,
- and the above code sets nop_p so this isn't done. */
- if (! nop_p && to_delete == 4)
- bfd_put_16 (abfd, NOP_INSN, contents + irel->r_offset + 4);
-
- /* That will change things, so we should relax again.
- Note that this is not required, and it may be slow. */
- *again = TRUE;
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + (h->got.offset &~ 1));
- continue;
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (bfd_link_pic (info)
+ && (info->symbolic
+ || h->dynindx == -1
+ || h->forced_local)
+ && h->def_regular)
+ {
+ rela.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE);
+ rela.r_addend = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
}
-
- /* loop to try the next reloc */
- }
-
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- {
- if (! link_info->keep_memory)
- free (isymbuf);
else
{
- /* Cache the symbols for elf_link_input_bfd. */
- symtab_hdr->contents = (unsigned char *) isymbuf;
+ BFD_ASSERT ((h->got.offset & 1) == 0);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_GLOB_DAT);
+ rela.r_addend = 0;
}
+
+ loc = srela->contents;
+ loc += srela->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
+ ++srela->reloc_count;
}
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
+ if (h->needs_copy)
{
- if (! link_info->keep_memory)
- free (contents);
- else
- {
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (sec)->this_hdr.contents = contents;
- }
- }
+ asection *s;
+ Elf_Internal_Rela rela;
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
+ /* This symbols needs a copy reloc. Set it up. */
- return TRUE;
+ BFD_ASSERT (h->dynindx != -1
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak));
- error_return:
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- free (contents);
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
+ s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss");
+ BFD_ASSERT (s != NULL);
- return FALSE;
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_COPY);
+ rela.r_addend = 0;
+ loc = s->contents;
+ loc += s->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
+ ++s->reloc_count;
+ }
+
+ /* Mark some specially defined symbols as absolute. */
+ if (h == htab->root.hdynamic || h == htab->root.hgot)
+ sym->st_shndx = SHN_ABS;
+
+ return TRUE;
}
-/* Delete some bytes from a section while relaxing. */
+
+/* Finish up the dynamic sections. */
static bfd_boolean
-m32r_elf_relax_delete_bytes (abfd, sec, addr, count)
- bfd *abfd;
- asection *sec;
- bfd_vma addr;
- int count;
+m32r_elf_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
{
- Elf_Internal_Shdr *symtab_hdr;
- int shndx;
- bfd_byte *contents;
- Elf_Internal_Rela *irel, *irelend;
- Elf_Internal_Rela *irelalign;
- bfd_vma toaddr;
- Elf_Internal_Sym *isym, *isymend;
- struct elf_link_hash_entry **sym_hashes;
- struct elf_link_hash_entry **end_hashes;
- unsigned int symcount;
-
- shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
-
- contents = elf_section_data (sec)->this_hdr.contents;
+ struct elf_m32r_link_hash_table *htab;
+ bfd *dynobj;
+ asection *sdyn;
+ asection *sgot;
- /* The deletion must stop at the next ALIGN reloc for an aligment
- power larger than the number of bytes we are deleting. */
+#ifdef DEBUG_PIC
+ printf ("m32r_elf_finish_dynamic_sections()\n");
+#endif
- irelalign = NULL;
- toaddr = sec->_cooked_size;
+ htab = m32r_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
- irel = elf_section_data (sec)->relocs;
- irelend = irel + sec->reloc_count;
+ dynobj = htab->root.dynobj;
- /* Actually delete the bytes. */
- memmove (contents + addr, contents + addr + count, toaddr - addr - count);
- sec->_cooked_size -= count;
+ sgot = htab->root.sgotplt;
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
- /* Adjust all the relocs. */
- for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
+ if (htab->root.dynamic_sections_created)
{
- /* Get the new reloc address. */
- if ((irel->r_offset > addr
- && irel->r_offset < toaddr))
- irel->r_offset -= count;
- }
+ asection *splt;
+ Elf32_External_Dyn *dyncon, *dynconend;
- /* Adjust the local symbols defined in this section. */
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- isym = (Elf_Internal_Sym *) symtab_hdr->contents;
- for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
- {
- if (isym->st_shndx == shndx
- && isym->st_value > addr
- && isym->st_value < toaddr)
- isym->st_value -= count;
- }
+ BFD_ASSERT (sgot != NULL && sdyn != NULL);
- /* Now adjust the global symbols defined in this section. */
- symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- - symtab_hdr->sh_info);
- sym_hashes = elf_sym_hashes (abfd);
- end_hashes = sym_hashes + symcount;
- for (; sym_hashes < end_hashes; sym_hashes++)
- {
- struct elf_link_hash_entry *sym_hash = *sym_hashes;
+ dyncon = (Elf32_External_Dyn *) sdyn->contents;
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
- if ((sym_hash->root.type == bfd_link_hash_defined
- || sym_hash->root.type == bfd_link_hash_defweak)
- && sym_hash->root.u.def.section == sec
- && sym_hash->root.u.def.value > addr
- && sym_hash->root.u.def.value < toaddr)
+ for (; dyncon < dynconend; dyncon++)
{
- sym_hash->root.u.def.value -= count;
- }
- }
+ Elf_Internal_Dyn dyn;
+ asection *s;
- return TRUE;
-}
+ bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
-/* This is a version of bfd_generic_get_relocated_section_contents
- which uses m32r_elf_relocate_section. */
-
-static bfd_byte *
-m32r_elf_get_relocated_section_contents (output_bfd, link_info, link_order,
- data, relocatable, symbols)
- bfd *output_bfd;
- struct bfd_link_info *link_info;
- struct bfd_link_order *link_order;
- bfd_byte *data;
- bfd_boolean relocatable;
- asymbol **symbols;
-{
- Elf_Internal_Shdr *symtab_hdr;
- asection *input_section = link_order->u.indirect.section;
- bfd *input_bfd = input_section->owner;
- asection **sections = NULL;
- Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Sym *isymbuf = NULL;
- bfd_size_type amt;
-
- /* We only need to handle the case of relaxing, or of having a
- particular set of section contents, specially. */
- if (relocatable
- || elf_section_data (input_section)->this_hdr.contents == NULL)
- return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
- link_order, data,
- relocatable,
- symbols);
-
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
-
- memcpy (data, elf_section_data (input_section)->this_hdr.contents,
- input_section->_raw_size);
-
- if ((input_section->flags & SEC_RELOC) != 0
- && input_section->reloc_count > 0)
- {
- Elf_Internal_Sym *isymp;
- asection **secpp;
- Elf32_External_Sym *esym, *esymend;
+ switch (dyn.d_tag)
+ {
+ default:
+ break;
- internal_relocs = (_bfd_elf_link_read_relocs
- (input_bfd, input_section, (PTR) NULL,
- (Elf_Internal_Rela *) NULL, FALSE));
- if (internal_relocs == NULL)
- goto error_return;
+ case DT_PLTGOT:
+ s = htab->root.sgotplt;
+ goto get_vma;
+ case DT_JMPREL:
+ s = htab->root.srelplt;
+ get_vma:
+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
- if (symtab_hdr->sh_info != 0)
- {
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (isymbuf == NULL)
- isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (isymbuf == NULL)
- goto error_return;
+ case DT_PLTRELSZ:
+ s = htab->root.srelplt;
+ dyn.d_un.d_val = s->size;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+ }
}
- amt = symtab_hdr->sh_info;
- amt *= sizeof (asection *);
- sections = (asection **) bfd_malloc (amt);
- if (sections == NULL && symtab_hdr->sh_info > 0)
- goto error_return;
-
- isymend = isymbuf + symtab_hdr->sh_info;
- for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
+ /* Fill in the first entry in the procedure linkage table. */
+ splt = htab->root.splt;
+ if (splt && splt->size > 0)
{
- asection *isec;
-
- if (isym->st_shndx == SHN_UNDEF)
- isec = bfd_und_section_ptr;
- else if (isym->st_shndx == SHN_ABS)
- isec = bfd_abs_section_ptr;
- else if (isym->st_shndx == SHN_COMMON)
- isec = bfd_com_section_ptr;
- else if (isym->st_shndx == SHN_M32R_SCOMMON)
- isec = &m32r_elf_scom_section;
+ if (bfd_link_pic (info))
+ {
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
+ }
else
- isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
+ {
+ unsigned long addr;
+ /* addr = .got + 4 */
+ addr = sgot->output_section->vma + sgot->output_offset + 4;
+ bfd_put_32 (output_bfd,
+ PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
+ splt->contents);
+ bfd_put_32 (output_bfd,
+ PLT0_ENTRY_WORD1 | (addr & 0xffff),
+ splt->contents + 4);
+ bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
+ bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
+ bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
+ }
- *secpp = isec;
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize =
+ PLT_ENTRY_SIZE;
}
+ }
+
+ /* Fill in the first three entries in the global offset table. */
+ if (sgot && sgot->size > 0)
+ {
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ sgot->contents);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
- if (! m32r_elf_relocate_section (output_bfd, link_info, input_bfd,
- input_section, data, internal_relocs,
- isymbuf, sections))
- goto error_return;
-
- if (sections != NULL)
- free (sections);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (elf_section_data (input_section)->relocs != internal_relocs)
- free (internal_relocs);
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
}
- return data;
-
- error_return:
- if (sections != NULL)
- free (sections);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (internal_relocs != NULL
- && elf_section_data (input_section)->relocs != internal_relocs)
- free (internal_relocs);
- return NULL;
+ return TRUE;
}
-#endif /* #if 0 */
\f
/* Set the right machine number. */
+
static bfd_boolean
-m32r_elf_object_p (abfd)
- bfd *abfd;
+m32r_elf_object_p (bfd *abfd)
{
switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH)
{
}
/* Store the machine number in the flags field. */
-static void
-m32r_elf_final_write_processing (abfd, linker)
- bfd *abfd;
- bfd_boolean linker ATTRIBUTE_UNUSED;
+
+static bfd_boolean
+m32r_elf_final_write_processing (bfd *abfd)
{
unsigned long val;
elf_elfheader (abfd)->e_flags &=~ EF_M32R_ARCH;
elf_elfheader (abfd)->e_flags |= val;
+ return _bfd_elf_final_write_processing (abfd);
}
/* Function to keep M32R specific file flags. */
+
static bfd_boolean
-m32r_elf_set_private_flags (abfd, flags)
- bfd *abfd;
- flagword flags;
+m32r_elf_set_private_flags (bfd *abfd, flagword flags)
{
BFD_ASSERT (!elf_flags_init (abfd)
|| elf_elfheader (abfd)->e_flags == flags);
/* Merge backend specific data from an object file to the output
object file when linking. */
+
static bfd_boolean
-m32r_elf_merge_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
+m32r_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
+ bfd *obfd = info->output_bfd;
flagword out_flags;
flagword in_flags;
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
&& bfd_get_arch_info (obfd)->the_default)
- {
- return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
- }
+ return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
+ bfd_get_mach (ibfd));
return TRUE;
}
if ((in_flags & EF_M32R_ARCH) != (out_flags & EF_M32R_ARCH))
{
if ( ((in_flags & EF_M32R_ARCH) != E_M32R_ARCH)
- || ((out_flags & EF_M32R_ARCH) == E_M32R_ARCH)
- || ((in_flags & EF_M32R_ARCH) == E_M32R2_ARCH))
+ || ((out_flags & EF_M32R_ARCH) == E_M32R_ARCH)
+ || ((in_flags & EF_M32R_ARCH) == E_M32R2_ARCH))
{
- (*_bfd_error_handler)
- (_("%s: Instruction set mismatch with previous modules"),
- bfd_archive_filename (ibfd));
+ _bfd_error_handler
+ (_("%pB: instruction set mismatch with previous modules"), ibfd);
bfd_set_error (bfd_error_bad_value);
return FALSE;
return TRUE;
}
-/* Display the flags field */
+/* Display the flags field. */
+
static bfd_boolean
-m32r_elf_print_private_bfd_data (abfd, ptr)
- bfd *abfd;
- PTR ptr;
+m32r_elf_print_private_bfd_data (bfd *abfd, void * ptr)
{
FILE * file = (FILE *) ptr;
- BFD_ASSERT (abfd != NULL && ptr != NULL)
+ BFD_ASSERT (abfd != NULL && ptr != NULL);
_bfd_elf_print_private_bfd_data (abfd, ptr);
return TRUE;
}
-asection *
-m32r_elf_gc_mark_hook (sec, info, rel, h, sym)
- asection *sec;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
+static asection *
+m32r_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
if (h != NULL)
- {
- switch (ELF32_R_TYPE (rel->r_info))
+ switch (ELF32_R_TYPE (rel->r_info))
{
case R_M32R_GNU_VTINHERIT:
case R_M32R_GNU_VTENTRY:
case R_M32R_RELA_GNU_VTINHERIT:
case R_M32R_RELA_GNU_VTENTRY:
- break;
-
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- return NULL;
-}
-
-static bfd_boolean
-m32r_elf_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec ATTRIBUTE_UNUSED;
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED;
-{
- /* Update the got entry reference counts for the section being removed. */
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
-
- elf_section_data (sec)->local_dynrel = NULL;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_M32R_GOT16_HI_ULO:
- case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
- case R_M32R_GOT24:
- case R_M32R_GOTPC_HI_ULO:
- case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
- case R_M32R_GOTPC24:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
-
- case R_M32R_16_RELA:
- case R_M32R_24_RELA:
- case R_M32R_32_RELA:
- case R_M32R_HI16_ULO_RELA:
- case R_M32R_HI16_SLO_RELA:
- case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
- case R_M32R_18_PCREL_RELA:
- case R_M32R_26_PCREL_RELA:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- struct elf_m32r_link_hash_entry *eh;
- struct elf_m32r_dyn_relocs **pp;
- struct elf_m32r_dyn_relocs *p;
-
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- if (!info->shared && h->plt.refcount > 0)
- h->plt.refcount -= 1;
-
- eh = (struct elf_m32r_link_hash_entry *) h;
-
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
- if (p->sec == sec)
- {
- if (ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA)
- p->pc_count -= 1;
- p->count -= 1;
- if (p->count == 0)
- *pp = p->next;
- break;
- }
- }
- break;
-
- case R_M32R_26_PLTREL:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount--;
- }
- break;
-
- default:
- break;
+ return NULL;
}
- return TRUE;
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Look through the relocs for a section during the first phase.
virtual table relocs for gc. */
static bfd_boolean
-m32r_elf_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+m32r_elf_check_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
{
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
+ struct elf_link_hash_entry **sym_hashes;
const Elf_Internal_Rela *rel;
const Elf_Internal_Rela *rel_end;
struct elf_m32r_link_hash_table *htab;
bfd *dynobj;
- bfd_vma *local_got_offsets;
- asection *sgot, *srelgot, *sreloc;
+ asection *sreloc;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
- sgot = srelgot = sreloc = NULL;
+ /* Don't do anything special with non-loaded, non-alloced sections.
+ In particular, any relocs in such sections should not affect GOT
+ and PLT reference counting (ie. we don't allow them to create GOT
+ or PLT entries), there's no possibility or desire to optimize TLS
+ relocs, and there's not much point in propagating relocs to shared
+ libs that the dynamic linker won't relocate. */
+ if ((sec->flags & SEC_ALLOC) == 0)
+ return TRUE;
+ sreloc = NULL;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);
- sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
- if (!elf_bad_symtab (abfd))
- sym_hashes_end -= symtab_hdr->sh_info;
htab = m32r_elf_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
dynobj = htab->root.dynobj;
- local_got_offsets = elf_local_got_offsets (abfd);
rel_end = relocs + sec->reloc_count;
for (rel = relocs; rel < rel_end; rel++)
r_symndx = ELF32_R_SYM (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
+ h = NULL;
else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
/* Some relocs require a global offset table. */
- if (htab->sgot == NULL)
- {
- switch (r_type)
- {
- case R_M32R_GOT16_HI_ULO:
- case R_M32R_GOT16_HI_SLO:
- case R_M32R_GOT16_LO:
- case R_M32R_GOTPC24:
- case R_M32R_GOTPC_HI_ULO:
- case R_M32R_GOTPC_HI_SLO:
- case R_M32R_GOTPC_LO:
- case R_M32R_GOT24:
- if (dynobj == NULL)
- htab->root.dynobj = dynobj = abfd;
- if (! create_got_section (dynobj, info))
- return FALSE;
- break;
-
- default:
- break;
- }
- }
+ if (htab->root.sgot == NULL)
+ {
+ switch (r_type)
+ {
+ case R_M32R_GOT16_HI_ULO:
+ case R_M32R_GOT16_HI_SLO:
+ case R_M32R_GOTOFF:
+ case R_M32R_GOTOFF_HI_ULO:
+ case R_M32R_GOTOFF_HI_SLO:
+ case R_M32R_GOTOFF_LO:
+ case R_M32R_GOT16_LO:
+ case R_M32R_GOTPC24:
+ case R_M32R_GOTPC_HI_ULO:
+ case R_M32R_GOTPC_HI_SLO:
+ case R_M32R_GOTPC_LO:
+ case R_M32R_GOT24:
+ if (dynobj == NULL)
+ htab->root.dynobj = dynobj = abfd;
+ if (!_bfd_elf_create_got_section (dynobj, info))
+ return FALSE;
+ break;
+
+ default:
+ break;
+ }
+ }
switch (r_type)
- {
+ {
case R_M32R_GOT16_HI_ULO:
case R_M32R_GOT16_HI_SLO:
case R_M32R_GOT16_LO:
- case R_M32R_GOT24:
-
- if (h != NULL)
- h->got.refcount += 1;
- else
- {
- bfd_signed_vma *local_got_refcounts;
-
- /* This is a global offset table entry for a local
- symbol. */
- local_got_refcounts = elf_local_got_refcounts (abfd);
- if (local_got_refcounts == NULL)
- {
- bfd_size_type size;
-
- size = symtab_hdr->sh_info;
- size *= sizeof (bfd_signed_vma);
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_zalloc (abfd, size));
- if (local_got_refcounts == NULL)
- return FALSE;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- }
- local_got_refcounts[r_symndx] += 1;
- }
- break;
-
- case R_M32R_26_PLTREL:
- /* This symbol requires a procedure linkage table entry. We
- actually build the entry in adjust_dynamic_symbol,
- because this might be a case of linking PIC code without
- linking in any dynamic objects, in which case we don't
- need to generate a procedure linkage table after all. */
+ case R_M32R_GOT24:
+
+ if (h != NULL)
+ h->got.refcount += 1;
+ else
+ {
+ bfd_signed_vma *local_got_refcounts;
+
+ /* This is a global offset table entry for a local
+ symbol. */
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+ if (local_got_refcounts == NULL)
+ {
+ bfd_size_type size;
+
+ size = symtab_hdr->sh_info;
+ size *= sizeof (bfd_signed_vma);
+ local_got_refcounts = bfd_zalloc (abfd, size);
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ }
+ local_got_refcounts[r_symndx] += 1;
+ }
+ break;
+
+ case R_M32R_26_PLTREL:
+ /* This symbol requires a procedure linkage table entry. We
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code without
+ linking in any dynamic objects, in which case we don't
+ need to generate a procedure linkage table after all. */
/* If this is a local symbol, we resolve it directly without
creating a procedure linkage table entry. */
- if (h == NULL)
- continue;
+ if (h == NULL)
+ continue;
- if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
- break;
+ if (h->forced_local)
+ break;
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
+ h->needs_plt = 1;
h->plt.refcount += 1;
- break;
-
- case R_M32R_16_RELA:
- case R_M32R_24_RELA:
- case R_M32R_32_RELA:
- case R_M32R_HI16_ULO_RELA:
- case R_M32R_HI16_SLO_RELA:
- case R_M32R_LO16_RELA:
- case R_M32R_SDA16_RELA:
- case R_M32R_18_PCREL_RELA:
- case R_M32R_26_PCREL_RELA:
-
- if (h != NULL && !info->shared)
- {
- h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
- h->plt.refcount += 1;
- }
-
- /* If we are creating a shared library, and this is a reloc
- against a global symbol, or a non PC relative reloc
- against a local symbol, then we need to copy the reloc
- into the shared library. However, if we are linking with
- -Bsymbolic, we do not need to copy a reloc against a
- global symbol which is defined in an object we are
- including in the link (i.e., DEF_REGULAR is set). At
- this point we have not seen all the input files, so it is
- possible that DEF_REGULAR is not set now but will be set
- later (it is never cleared). We account for that
- possibility below by storing information in the
- dyn_relocs field of the hash table entry. A similar
- situation occurs when creating shared libraries and symbol
- visibility changes render the symbol local.
-
- If on the other hand, we are creating an executable, we
- may need to keep relocations for symbols satisfied by a
- dynamic library if we manage to avoid copy relocs for the
- symbol. */
- if ((info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && ((r_type != R_M32R_26_PCREL_RELA
- && r_type != R_M32R_18_PCREL_RELA)
- || (h != NULL
+ break;
+
+ case R_M32R_16_RELA:
+ case R_M32R_24_RELA:
+ case R_M32R_32_RELA:
+ case R_M32R_REL32:
+ case R_M32R_HI16_ULO_RELA:
+ case R_M32R_HI16_SLO_RELA:
+ case R_M32R_LO16_RELA:
+ case R_M32R_SDA16_RELA:
+ case R_M32R_10_PCREL_RELA:
+ case R_M32R_18_PCREL_RELA:
+ case R_M32R_26_PCREL_RELA:
+
+ if (h != NULL && !bfd_link_pic (info))
+ {
+ h->non_got_ref = 1;
+ h->plt.refcount += 1;
+ }
+
+ /* If we are creating a shared library, and this is a reloc
+ against a global symbol, or a non PC relative reloc
+ against a local symbol, then we need to copy the reloc
+ into the shared library. However, if we are linking with
+ -Bsymbolic, we do not need to copy a reloc against a
+ global symbol which is defined in an object we are
+ including in the link (i.e., DEF_REGULAR is set). At
+ this point we have not seen all the input files, so it is
+ possible that DEF_REGULAR is not set now but will be set
+ later (it is never cleared). We account for that
+ possibility below by storing information in the
+ dyn_relocs field of the hash table entry. A similar
+ situation occurs when creating shared libraries and symbol
+ visibility changes render the symbol local.
+
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+ if ((bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && (( r_type != R_M32R_26_PCREL_RELA
+ && r_type != R_M32R_18_PCREL_RELA
+ && r_type != R_M32R_10_PCREL_RELA
+ && r_type != R_M32R_REL32)
+ || (h != NULL
&& (! info->symbolic
- || h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))))
- || (!info->shared
- && (sec->flags & SEC_ALLOC) != 0
- && h != NULL
- && (h->root.type == bfd_link_hash_defweak
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
- {
- struct elf_m32r_dyn_relocs *p;
- struct elf_m32r_dyn_relocs **head;
-
- if (dynobj == NULL)
- htab->root.dynobj = dynobj = abfd;
-
- /* When creating a shared object, we must copy these
- relocs into the output file. We create a reloc
- section in dynobj and make room for the reloc. */
- if (sreloc == NULL)
- {
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name));
- if (name == NULL)
- return FALSE;
-
- BFD_ASSERT (strncmp (name, ".rela", 5) == 0
- && strcmp (bfd_get_section_name (abfd, sec),
- name + 5) == 0);
-
- sreloc = bfd_get_section_by_name (dynobj, name);
- if (sreloc == NULL)
- {
- flagword flags;
-
- sreloc = bfd_make_section (dynobj, name);
- flags = (SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
- flags |= SEC_ALLOC | SEC_LOAD;
- if (sreloc == NULL
- || ! bfd_set_section_flags (dynobj, sreloc, flags)
- || ! bfd_set_section_alignment (dynobj, sreloc, 2))
- return FALSE;
- }
- elf_section_data (sec)->sreloc = sreloc;
- }
-
- /* If this is a global symbol, we count the number of
- relocations we need for this symbol. */
- if (h != NULL)
- head = &((struct elf_m32r_link_hash_entry *) h)->dyn_relocs;
- else
- {
- asection *s;
-
- /* Track dynamic relocs needed for local syms too. */
- s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
- sec, r_symndx);
- if (s == NULL)
- return FALSE;
-
- head = ((struct elf_m32r_dyn_relocs **)
- &elf_section_data (s)->local_dynrel);
- }
-
- p = *head;
- if (p == NULL || p->sec != sec)
- {
- bfd_size_type amt = sizeof (*p);
- p = ((struct elf_m32r_dyn_relocs *) bfd_alloc (dynobj, amt));
- if (p == NULL)
- return FALSE;
- p->next = *head;
- *head = p;
- p->sec = sec;
- p->count = 0;
- p->pc_count = 0;
- }
-
- p->count += 1;
- if (ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
- || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA)
- p->pc_count += 1;
- }
- break;
-
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_M32R_RELA_GNU_VTINHERIT:
- case R_M32R_GNU_VTINHERIT:
- if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
-
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_M32R_GNU_VTENTRY:
- if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
- case R_M32R_RELA_GNU_VTENTRY:
- if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
- }
- }
+ || h->root.type == bfd_link_hash_defweak
+ || !h->def_regular))))
+ || (!bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && h != NULL
+ && (h->root.type == bfd_link_hash_defweak
+ || !h->def_regular)))
+ {
+ struct elf_dyn_relocs *p;
+ struct elf_dyn_relocs **head;
- return TRUE;
-}
+ if (dynobj == NULL)
+ htab->root.dynobj = dynobj = abfd;
-static struct bfd_elf_special_section const m32r_elf_special_sections[]=
-{
- { ".sdata", 6, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
- { ".sbss", 5, -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
- { NULL, 0, 0, 0, 0 }
-};
+ /* When creating a shared object, we must copy these
+ relocs into the output file. We create a reloc
+ section in dynobj and make room for the reloc. */
+ if (sreloc == NULL)
+ {
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
-static bfd_boolean
-m32r_elf_fake_sections (abfd, hdr, sec)
- bfd *abfd;
- Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED;
- asection *sec;
-{
- register const char *name;
-
- name = bfd_get_section_name (abfd, sec);
-
- /* The generic elf_fake_sections will set up REL_HDR using the
- default kind of relocations. But, we may actually need both
- kinds of relocations, so we set up the second header here.
-
- This is not necessary for the O32 ABI since that only uses Elf32_Rel
- relocations (cf. System V ABI, MIPS RISC Processor Supplement,
- 3rd Edition, p. 4-17). It breaks the IRIX 5/6 32-bit ld, since one
- of the resulting empty .rela.<section> sections starts with
- sh_offset == object size, and ld doesn't allow that. While the check
- is arguably bogus for empty or SHT_NOBITS sections, it can easily be
- avoided by not emitting those useless sections in the first place. */
- if ((sec->flags & SEC_RELOC) != 0)
- {
- struct bfd_elf_section_data *esd;
- bfd_size_type amt = sizeof (Elf_Internal_Shdr);
-
- esd = elf_section_data (sec);
- BFD_ASSERT (esd->rel_hdr2 == NULL);
- esd->rel_hdr2 = (Elf_Internal_Shdr *) bfd_zalloc (abfd, amt);
- if (!esd->rel_hdr2)
- return FALSE;
- _bfd_elf_init_reloc_shdr (abfd, esd->rel_hdr2, sec,
- !sec->use_rela_p);
+ if (sreloc == NULL)
+ return FALSE;
+ }
+
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (h != NULL)
+ head = &((struct elf_m32r_link_hash_entry *) h)->dyn_relocs;
+ else
+ {
+ /* Track dynamic relocs needed for local syms too. */
+ asection *s;
+ void *vpp;
+ Elf_Internal_Sym *isym;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ s = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (s == NULL)
+ s = sec;
+
+ vpp = &elf_section_data (s)->local_dynrel;
+ head = (struct elf_dyn_relocs **) vpp;
+ }
+
+ p = *head;
+ if (p == NULL || p->sec != sec)
+ {
+ bfd_size_type amt = sizeof (*p);
+
+ p = bfd_alloc (dynobj, amt);
+ if (p == NULL)
+ return FALSE;
+ p->next = *head;
+ *head = p;
+ p->sec = sec;
+ p->count = 0;
+ p->pc_count = 0;
+ }
+
+ p->count += 1;
+ if ( ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA
+ || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA
+ || ELF32_R_TYPE (rel->r_info) == R_M32R_10_PCREL_RELA
+ || ELF32_R_TYPE (rel->r_info) == R_M32R_REL32)
+ p->pc_count += 1;
+ }
+ break;
+
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_M32R_RELA_GNU_VTINHERIT:
+ case R_M32R_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_M32R_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+ case R_M32R_RELA_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+ }
}
return TRUE;
}
+static const struct bfd_elf_special_section m32r_elf_special_sections[] =
+{
+ { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
+ { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
+ { NULL, 0, 0, 0, 0 }
+};
+
static enum elf_reloc_type_class
-m32r_elf_reloc_type_class (rela)
- const Elf_Internal_Rela *rela;
+m32r_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
{
switch ((int) ELF32_R_TYPE (rela->r_info))
{
- case R_M32R_RELATIVE:
- return reloc_class_relative;
- case R_M32R_JMP_SLOT:
- return reloc_class_plt;
- case R_M32R_COPY:
- return reloc_class_copy;
- default:
- return reloc_class_normal;
+ case R_M32R_RELATIVE: return reloc_class_relative;
+ case R_M32R_JMP_SLOT: return reloc_class_plt;
+ case R_M32R_COPY: return reloc_class_copy;
+ default: return reloc_class_normal;
}
}
\f
#define ELF_ARCH bfd_arch_m32r
+#define ELF_TARGET_ID M32R_ELF_DATA
#define ELF_MACHINE_CODE EM_M32R
#define ELF_MACHINE_ALT1 EM_CYGNUS_M32R
#define ELF_MAXPAGESIZE 0x1 /* Explicitly requested by Mitsubishi. */
-#define TARGET_BIG_SYM bfd_elf32_m32r_vec
+#define TARGET_BIG_SYM m32r_elf32_vec
#define TARGET_BIG_NAME "elf32-m32r"
-#define TARGET_LITTLE_SYM bfd_elf32_m32rle_vec
-#define TARGET_LITTLE_NAME "elf32-m32rle"
+#define TARGET_LITTLE_SYM m32r_elf32_le_vec
+#define TARGET_LITTLE_NAME "elf32-m32rle"
#define elf_info_to_howto m32r_info_to_howto
#define elf_info_to_howto_rel m32r_info_to_howto_rel
#define elf_backend_symbol_processing _bfd_m32r_elf_symbol_processing
#define elf_backend_add_symbol_hook m32r_elf_add_symbol_hook
#define elf_backend_relocate_section m32r_elf_relocate_section
-#define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook m32r_elf_gc_sweep_hook
-#define elf_backend_check_relocs m32r_elf_check_relocs
-
-#define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections
-#define bfd_elf32_bfd_link_hash_table_create m32r_elf_link_hash_table_create
-#define elf_backend_size_dynamic_sections m32r_elf_size_dynamic_sections
-#define elf_backend_finish_dynamic_sections m32r_elf_finish_dynamic_sections
-#define elf_backend_adjust_dynamic_symbol m32r_elf_adjust_dynamic_symbol
-#define elf_backend_finish_dynamic_symbol m32r_elf_finish_dynamic_symbol
-#define elf_backend_reloc_type_class m32r_elf_reloc_type_class
-#define elf_backend_copy_indirect_symbol m32r_elf_copy_indirect_symbol
-
-#define elf_backend_can_gc_sections 1
+#define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook
+#define elf_backend_check_relocs m32r_elf_check_relocs
+
+#define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections
+#define bfd_elf32_bfd_link_hash_table_create m32r_elf_link_hash_table_create
+#define elf_backend_size_dynamic_sections m32r_elf_size_dynamic_sections
+#define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all
+#define elf_backend_finish_dynamic_sections m32r_elf_finish_dynamic_sections
+#define elf_backend_adjust_dynamic_symbol m32r_elf_adjust_dynamic_symbol
+#define elf_backend_finish_dynamic_symbol m32r_elf_finish_dynamic_symbol
+#define elf_backend_reloc_type_class m32r_elf_reloc_type_class
+#define elf_backend_copy_indirect_symbol m32r_elf_copy_indirect_symbol
+
+#define elf_backend_can_gc_sections 1
/*#if !USE_REL
#define elf_backend_rela_normal 1
#endif*/
#define elf_backend_plt_readonly 1
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 12
+#define elf_backend_dtrel_excludes_plt 1
-#define elf_backend_may_use_rel_p 1
+#define elf_backend_may_use_rel_p 1
#ifdef USE_M32R_OLD_RELOC
-#define elf_backend_default_use_rela_p 0
-#define elf_backend_may_use_rela_p 0
+#define elf_backend_default_use_rela_p 0
+#define elf_backend_may_use_rela_p 0
#else
-#define elf_backend_default_use_rela_p 1
-#define elf_backend_may_use_rela_p 1
-#define elf_backend_fake_sections m32r_elf_fake_sections
-#endif
-
-#if 0 /* not yet */
-/* relax support */
-#define bfd_elf32_bfd_relax_section m32r_elf_relax_section
-#define bfd_elf32_bfd_get_relocated_section_contents \
- m32r_elf_get_relocated_section_contents
+#define elf_backend_default_use_rela_p 1
+#define elf_backend_may_use_rela_p 1
#endif
#define elf_backend_object_p m32r_elf_object_p
-#define elf_backend_final_write_processing m32r_elf_final_write_processing
-#define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data
+#define elf_backend_final_write_processing m32r_elf_final_write_processing
+#define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data
#define bfd_elf32_bfd_set_private_flags m32r_elf_set_private_flags
#define bfd_elf32_bfd_print_private_bfd_data m32r_elf_print_private_bfd_data
#define elf_backend_special_sections m32r_elf_special_sections
+#define elf_backend_linux_prpsinfo32_ugid16 TRUE
+
#include "elf32-target.h"
-#undef ELF_MAXPAGESIZE
-#define ELF_MAXPAGESIZE 0x1000
+#undef ELF_MAXPAGESIZE
+#define ELF_MAXPAGESIZE 0x1000
-#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf32_m32rlin_vec
-#undef TARGET_BIG_NAME
-#define TARGET_BIG_NAME "elf32-m32r-linux"
-#undef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM bfd_elf32_m32rlelin_vec
-#undef TARGET_LITTLE_NAME
-#define TARGET_LITTLE_NAME "elf32-m32rle-linux"
-#undef elf32_bed
-#define elf32_bed elf32_m32r_lin_bed
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM m32r_elf32_linux_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-m32r-linux"
+#undef TARGET_LITTLE_SYM
+#define TARGET_LITTLE_SYM m32r_elf32_linux_le_vec
+#undef TARGET_LITTLE_NAME
+#define TARGET_LITTLE_NAME "elf32-m32rle-linux"
+#undef elf32_bed
+#define elf32_bed elf32_m32r_lin_bed
#include "elf32-target.h"
-
projects / deliverable / binutils-gdb.git / blobdiff