binutils-gdb/bfd/elf32-d30v.c

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/* D30V-specific support for 32-bit ELF
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Copyright 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
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Contributed by Martin Hunt (hunt@cygnus.com).
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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/d30v.h"
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static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void d30v_info_to_howto_rel
include/elf/ChangeLog * internal.h (elf32_internal_ehdr, Elf32_Internal_Ehdr, elf64_internal_ehdr, Elf64_Internal_Ehdr, elf32_internal_phdr, Elf32_Internal_Phdr, elf64_internal_phdr, Elf64_Internal_Phdr, elf32_internal_shdr, Elf32_Internal_Shdr, elf64_internal_shdr, Elf64_Internal_Shdr, elf32_internal_sym, elf64_internal_sym, Elf32_Internal_Sym, Elf64_Internal_Sym, Elf32_Internal_Note, elf32_internal_note, elf32_internal_rel, Elf32_Internal_Rel, elf64_internal_rel, Elf64_Internal_Rel, elf32_internal_rela, elf64_internal_rela, Elf32_Internal_Rela, Elf64_Internal_Rela, elf32_internal_dyn, elf64_internal_dyn, Elf32_Internal_Dyn, Elf64_Internal_Dyn, elf32_internal_verdef, elf64_internal_verdef, elf32_internal_verdaux, elf64_internal_verdaux, elf32_internal_verneed, elf64_internal_verneed, elf32_internal_vernaux, elf64_internal_vernaux, elf32_internal_versym, elf64_internal_versym, Elf32_Internal_Verdef, Elf64_Internal_Verdef, Elf32_Internal_Verdaux, Elf64_Internal_Verdaux, Elf32_Internal_Verneed, Elf64_Internal_Verneed, Elf32_Internal_Vernaux, Elf64_Internal_Vernaux, Elf32_Internal_Versym, Elf64_Internal_Versym, Elf32_Internal_Syminfo, Elf64_Internal_Syminfo): Delete. (Elf_Internal_Rel): Delete. bfd/ChangeLog * elf-bfd.h: Replace occurrences of Elf32_Internal_* and Elf64_Internal_* with Elf_Internal_*. Replace Elf_Internal_Rel with Elf_Internal_Rela. * elf-hppa.h, elf-m10200.c, elf-m10300.c, elf32-arc.c, elf32-arm.h, elf32-avr.c, elf32-cris.c, elf32-d10v.c, elf32-d30v.c, elf32-dlx.c, elf32-fr30.c, elf32-frv.c, elf32-gen.c, elf32-h8300.c, elf32-hppa.c, elf32-i370.c, elf32-i386.c, elf32-i860.c, elf32-i960.c, elf32-ip2k.c, elf32-m32r.c, elf32-m68hc11.c, elf32-m68hc12.c, elf32-m68k.c, elf32-mcore.c, elf32-mips.c, elf32-openrisc.c, elf32-or32.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-v850.c, elf32-vax.c, elf32-xstormy16.c, elf64-alpha.c, elf64-gen.c, elf64-hppa.c, elf64-mips.c, elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c, elfarm-nabi.c, elfarm-oabi.c, elfcode.h, elflink.h, elfn32-mips.c, elfxx-ia64.c, elfxx-mips.c: Ditto. * elf-hppa.h (elf_hppa_internal_shdr): Delete. Use Elf_Internal_Shdr throughout instead. * elf.c (_bfd_elf_no_info_to_howto_rel): Delete. * elfcode.h (elf_swap_reloca_in): Pass source operand as a bfd_byte *. Remove INLINE keyword. (elf_swap_reloc_in): Likewise. Also clear r_addend. (elf_swap_reloc_out, elf_swap_reloca_out): Pass destination operand as a bfd_byte *. (elf_write_relocs): Consolidate REL and RELA code. (elf_slurp_reloc_table_from_section): Simplify REL code. (NAME(_bfd_elf,size_info)): Populate reloc swap entries. * elf-bfd.h (MAX_INT_RELS_PER_EXT_REL): Define. * elflink.h (elf_link_read_relocs_from_section): Consolidate REL and RELA code. (elf_link_adjust_relocs): Likewise. Don't malloc space for temp reloc array, use a fixed size of MAX_INT_RELS_PER_EXT_REL. (elf_link_output_relocs): Likewise. (elf_reloc_link_order): Likewise. (elf_finish_pointer_linker_section): Likewise. (struct elf_link_sort_rela): Remove union. (elf_link_sort_cmp1): Update to suit. (elf_link_sort_cmp2): Here too. (elf_link_sort_relocs): Consolidate REL and RELA code. Fix memory over-allocation for int_rels_per_ext_rel != 1 case. * elf32-arm.h: Update all bfd_elf32_swap_reloc_out calls. * elf32-i386.c: Likewise. * elf32-cris.c: Likewise for bfd_elf32_swap_reloca_out. * elf32-hppa.c, elf32-i370.c, elf32-m68k.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-vax.c, elfxx-mips.c: Likewise. * elf64-alpha.c: Likewise for bfd_elf64_swap_reloca_out. * elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c: Likewise. * elfxx-ia64.c: Likewise for bfd_elfNN_swap_reloca_out. * elfxx-mips.c (sort_dynamic_relocs): Likewise for bfd_elf32_swap_reloc_in. * elf32-arm.h: Update elf32_arm_info_to_howto calls. * elf32-mips.c: Likewise for mips_info_to_howto_rel. (mips_elf64_swap_reloc_in): Zero r_addend. (mips_elf64_be_swap_reloc_in): Likewise. (mips_elf64_slurp_one_reloc_table): Simplify. * elf64-alpha.c (alpha_elf_size_info): Populate reloc swap entries. * elf64-hppa.c (hppa64_elf_size_info): Likewise. * elf64-sparc.c (sparc64_elf_size_info): Likewise.
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PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
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static void d30v_info_to_howto_rela
include/elf/ChangeLog * internal.h (elf32_internal_ehdr, Elf32_Internal_Ehdr, elf64_internal_ehdr, Elf64_Internal_Ehdr, elf32_internal_phdr, Elf32_Internal_Phdr, elf64_internal_phdr, Elf64_Internal_Phdr, elf32_internal_shdr, Elf32_Internal_Shdr, elf64_internal_shdr, Elf64_Internal_Shdr, elf32_internal_sym, elf64_internal_sym, Elf32_Internal_Sym, Elf64_Internal_Sym, Elf32_Internal_Note, elf32_internal_note, elf32_internal_rel, Elf32_Internal_Rel, elf64_internal_rel, Elf64_Internal_Rel, elf32_internal_rela, elf64_internal_rela, Elf32_Internal_Rela, Elf64_Internal_Rela, elf32_internal_dyn, elf64_internal_dyn, Elf32_Internal_Dyn, Elf64_Internal_Dyn, elf32_internal_verdef, elf64_internal_verdef, elf32_internal_verdaux, elf64_internal_verdaux, elf32_internal_verneed, elf64_internal_verneed, elf32_internal_vernaux, elf64_internal_vernaux, elf32_internal_versym, elf64_internal_versym, Elf32_Internal_Verdef, Elf64_Internal_Verdef, Elf32_Internal_Verdaux, Elf64_Internal_Verdaux, Elf32_Internal_Verneed, Elf64_Internal_Verneed, Elf32_Internal_Vernaux, Elf64_Internal_Vernaux, Elf32_Internal_Versym, Elf64_Internal_Versym, Elf32_Internal_Syminfo, Elf64_Internal_Syminfo): Delete. (Elf_Internal_Rel): Delete. bfd/ChangeLog * elf-bfd.h: Replace occurrences of Elf32_Internal_* and Elf64_Internal_* with Elf_Internal_*. Replace Elf_Internal_Rel with Elf_Internal_Rela. * elf-hppa.h, elf-m10200.c, elf-m10300.c, elf32-arc.c, elf32-arm.h, elf32-avr.c, elf32-cris.c, elf32-d10v.c, elf32-d30v.c, elf32-dlx.c, elf32-fr30.c, elf32-frv.c, elf32-gen.c, elf32-h8300.c, elf32-hppa.c, elf32-i370.c, elf32-i386.c, elf32-i860.c, elf32-i960.c, elf32-ip2k.c, elf32-m32r.c, elf32-m68hc11.c, elf32-m68hc12.c, elf32-m68k.c, elf32-mcore.c, elf32-mips.c, elf32-openrisc.c, elf32-or32.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-v850.c, elf32-vax.c, elf32-xstormy16.c, elf64-alpha.c, elf64-gen.c, elf64-hppa.c, elf64-mips.c, elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c, elfarm-nabi.c, elfarm-oabi.c, elfcode.h, elflink.h, elfn32-mips.c, elfxx-ia64.c, elfxx-mips.c: Ditto. * elf-hppa.h (elf_hppa_internal_shdr): Delete. Use Elf_Internal_Shdr throughout instead. * elf.c (_bfd_elf_no_info_to_howto_rel): Delete. * elfcode.h (elf_swap_reloca_in): Pass source operand as a bfd_byte *. Remove INLINE keyword. (elf_swap_reloc_in): Likewise. Also clear r_addend. (elf_swap_reloc_out, elf_swap_reloca_out): Pass destination operand as a bfd_byte *. (elf_write_relocs): Consolidate REL and RELA code. (elf_slurp_reloc_table_from_section): Simplify REL code. (NAME(_bfd_elf,size_info)): Populate reloc swap entries. * elf-bfd.h (MAX_INT_RELS_PER_EXT_REL): Define. * elflink.h (elf_link_read_relocs_from_section): Consolidate REL and RELA code. (elf_link_adjust_relocs): Likewise. Don't malloc space for temp reloc array, use a fixed size of MAX_INT_RELS_PER_EXT_REL. (elf_link_output_relocs): Likewise. (elf_reloc_link_order): Likewise. (elf_finish_pointer_linker_section): Likewise. (struct elf_link_sort_rela): Remove union. (elf_link_sort_cmp1): Update to suit. (elf_link_sort_cmp2): Here too. (elf_link_sort_relocs): Consolidate REL and RELA code. Fix memory over-allocation for int_rels_per_ext_rel != 1 case. * elf32-arm.h: Update all bfd_elf32_swap_reloc_out calls. * elf32-i386.c: Likewise. * elf32-cris.c: Likewise for bfd_elf32_swap_reloca_out. * elf32-hppa.c, elf32-i370.c, elf32-m68k.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-vax.c, elfxx-mips.c: Likewise. * elf64-alpha.c: Likewise for bfd_elf64_swap_reloca_out. * elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c: Likewise. * elfxx-ia64.c: Likewise for bfd_elfNN_swap_reloca_out. * elfxx-mips.c (sort_dynamic_relocs): Likewise for bfd_elf32_swap_reloc_in. * elf32-arm.h: Update elf32_arm_info_to_howto calls. * elf32-mips.c: Likewise for mips_info_to_howto_rel. (mips_elf64_swap_reloc_in): Zero r_addend. (mips_elf64_be_swap_reloc_in): Likewise. (mips_elf64_slurp_one_reloc_table): Simplify. * elf64-alpha.c (alpha_elf_size_info): Populate reloc swap entries. * elf64-hppa.c (hppa64_elf_size_info): Likewise. * elf64-sparc.c (sparc64_elf_size_info): Likewise.
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PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
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static bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS ((
bfd *abfd,
arelent *reloc_entry,
asymbol *symbol,
PTR data,
asection *input_section,
bfd *output_bfd,
char **error_message));
static bfd_reloc_status_type bfd_elf_d30v_reloc_21 PARAMS ((
bfd *abfd,
arelent *reloc_entry,
asymbol *symbol,
PTR data,
asection *input_section,
bfd *output_bfd,
char **error_message));
static reloc_howto_type elf_d30v_howto_table[] =
{
/* This reloc does nothing. */
HOWTO (R_D30V_NONE, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
FALSE, /* pc_relative */
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0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_D30V_NONE", /* name */
FALSE, /* partial_inplace */
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0, /* src_mask */
0, /* dst_mask */
FALSE), /* pcrel_offset */
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/* A 6 bit absolute relocation */
HOWTO (R_D30V_6, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
6, /* bitsize */
FALSE, /* pc_relative */
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0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_D30V_6", /* name */
FALSE, /* partial_inplace */
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0x3f, /* src_mask */
0x3f, /* dst_mask */
FALSE), /* pcrel_offset */
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/* A relative 9 bit relocation, right shifted by 3 */
HOWTO (R_D30V_9_PCREL, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
6, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc_21, /* special_function */
"R_D30V_9_PCREL", /* name */
FALSE, /* partial_inplace */
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0x3f, /* src_mask */
0x3f, /* dst_mask */
TRUE), /* pcrel_offset */
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/* A relative 9 bit relocation, right shifted by 3 */
HOWTO (R_D30V_9_PCREL_R, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
6, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc_21, /* special_function */
"R_D30V_9_PCREL_R", /* name */
FALSE, /* partial_inplace */
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0x3f, /* src_mask */
0x3f, /* dst_mask */
TRUE), /* pcrel_offset */
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/* An absolute 15 bit relocation, right shifted by 3 */
HOWTO (R_D30V_15, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
12, /* bitsize */
FALSE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_D30V_15", /* name */
FALSE, /* partial_inplace */
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0xfff, /* src_mask */
0xfff, /* dst_mask */
FALSE), /* pcrel_offset */
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/* A relative 15 bit relocation, right shifted by 3 */
HOWTO (R_D30V_15_PCREL, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
12, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc_21, /* special_function */
"R_D30V_15_PCREL", /* name */
FALSE, /* partial_inplace */
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0xfff, /* src_mask */
0xfff, /* dst_mask */
TRUE), /* pcrel_offset */
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/* A relative 15 bit relocation, right shifted by 3 */
HOWTO (R_D30V_15_PCREL_R, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
12, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc_21, /* special_function */
"R_D30V_15_PCREL_R", /* name */
FALSE, /* partial_inplace */
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0xfff, /* src_mask */
0xfff, /* dst_mask */
TRUE), /* pcrel_offset */
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/* An absolute 21 bit relocation, right shifted by 3 */
HOWTO (R_D30V_21, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
18, /* bitsize */
FALSE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_D30V_21", /* name */
FALSE, /* partial_inplace */
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0x3ffff, /* src_mask */
0x3ffff, /* dst_mask */
FALSE), /* pcrel_offset */
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/* A relative 21 bit relocation, right shifted by 3 */
HOWTO (R_D30V_21_PCREL, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
18, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc_21, /* special_function */
"R_D30V_21_PCREL", /* name */
FALSE, /* partial_inplace */
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0x3ffff, /* src_mask */
0x3ffff, /* dst_mask */
TRUE), /* pcrel_offset */
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/* A relative 21 bit relocation, right shifted by 3, in the Right container */
HOWTO (R_D30V_21_PCREL_R, /* type */
3, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
18, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc_21, /* special_function */
"R_D30V_21_PCREL_R", /* name */
FALSE, /* partial_inplace */
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0x3ffff, /* src_mask */
0x3ffff, /* dst_mask */
TRUE), /* pcrel_offset */
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/* A D30V 32 bit absolute relocation */
HOWTO (R_D30V_32, /* type */
0, /* rightshift */
4, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
FALSE, /* pc_relative */
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0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_d30v_reloc, /* special_function */
"R_D30V_32", /* name */
FALSE, /* partial_inplace */
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0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
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/* A relative 32 bit relocation */
HOWTO (R_D30V_32_PCREL, /* type */
0, /* rightshift */
4, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
TRUE, /* pc_relative */
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0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_d30v_reloc, /* special_function */
"R_D30V_32_PCREL", /* name */
FALSE, /* partial_inplace */
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0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
TRUE), /* pcrel_offset */
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/* A regular 32 bit absolute relocation */
HOWTO (R_D30V_32_NORMAL, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
FALSE, /* pc_relative */
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0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_D30V_32_NORMAL", /* name */
FALSE, /* partial_inplace */
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0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
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};
#define MAX32 ((bfd_signed_vma) 0x7fffffff)
#define MIN32 (- MAX32 - 1)
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static bfd_reloc_status_type
bfd_elf_d30v_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;
{
bfd_signed_vma relocation;
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bfd_vma in1, in2, num;
bfd_vma tmp_addr = 0;
bfd_reloc_status_type r;
asection *reloc_target_output_section;
bfd_size_type addr = reloc_entry->address;
bfd_reloc_status_type flag = bfd_reloc_ok;
bfd_vma output_base = 0;
reloc_howto_type *howto = reloc_entry->howto;
int make_absolute = 0;
if (output_bfd != (bfd *) NULL)
{
/* Partial linking -- do nothing. */
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
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r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
input_section, output_bfd, error_message);
if (r != bfd_reloc_continue)
return r;
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/* a hacked-up version of bfd_perform_reloc() follows */
if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0
&& output_bfd == (bfd *) NULL)
flag = bfd_reloc_undefined;
/* Is the address of the relocation really within the section? */
if (reloc_entry->address > input_section->_cooked_size)
return bfd_reloc_outofrange;
/* Work out which section the relocation is targeted at and the
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initial relocation command value. */
/* Get symbol value. (Common symbols are special.) */
if (bfd_is_com_section (symbol->section))
relocation = 0;
else
relocation = symbol->value;
reloc_target_output_section = symbol->section->output_section;
/* Convert input-section-relative symbol value to absolute. */
output_base = reloc_target_output_section->vma;
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relocation += output_base + symbol->section->output_offset;
/* Add in supplied addend. */
relocation += reloc_entry->addend;
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
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if (howto->pc_relative)
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{
tmp_addr = input_section->output_section->vma + input_section->output_offset
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+ reloc_entry->address;
relocation -= tmp_addr;
}
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in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4);
/* extract the addend */
num = ((in2 & 0x3FFFF)
| ((in2 & 0xFF00000) >> 2)
| ((in1 & 0x3F) << 26));
in1 &= 0xFFFFFFC0;
in2 = 0x80000000;
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relocation += num;
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if (howto->pc_relative && howto->bitsize == 32)
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{
/* The D30V has a PC that doesn't wrap and PC-relative jumps are
signed, so a PC-relative jump can't be more than +/- 2^31 bytes.
If one exceeds this, change it to an absolute jump. */
if (relocation > MAX32 || relocation < MIN32)
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{
relocation = (relocation + tmp_addr) & 0xffffffff;
make_absolute = 1;
}
}
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in1 |= (relocation >> 26) & 0x3F; /* top 6 bits */
in2 |= ((relocation & 0x03FC0000) << 2); /* next 8 bits */
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in2 |= relocation & 0x0003FFFF; /* bottom 18 bits */
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/* change a PC-relative instruction to its absolute equivalent */
/* with this simple hack */
if (make_absolute)
in1 |= 0x00100000;
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4);
return flag;
}
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static bfd_reloc_status_type
bfd_elf_d30v_reloc_21 (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;
{
bfd_vma relocation;
bfd_vma in1, num;
bfd_reloc_status_type r;
asection *reloc_target_output_section;
bfd_size_type addr = reloc_entry->address;
bfd_reloc_status_type flag = bfd_reloc_ok;
bfd_vma output_base = 0;
reloc_howto_type *howto = reloc_entry->howto;
int mask, max;
if (output_bfd != (bfd *) NULL)
{
/* Partial linking -- do nothing. */
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
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r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
input_section, output_bfd, error_message);
if (r != bfd_reloc_continue)
return r;
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/* a hacked-up version of bfd_perform_reloc() follows */
if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0
&& output_bfd == (bfd *) NULL)
flag = bfd_reloc_undefined;
/* Is the address of the relocation really within the section? */
if (reloc_entry->address > input_section->_cooked_size)
return bfd_reloc_outofrange;
/* Work out which section the relocation is targeted at and the
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initial relocation command value. */
/* Get symbol value. (Common symbols are special.) */
if (bfd_is_com_section (symbol->section))
relocation = 0;
else
relocation = symbol->value;
reloc_target_output_section = symbol->section->output_section;
/* Convert input-section-relative symbol value to absolute. */
output_base = reloc_target_output_section->vma;
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relocation += output_base + symbol->section->output_offset;
/* Add in supplied addend. */
relocation += reloc_entry->addend;
/* Here the variable relocation holds the final address of the
symbol we are relocating against, plus any addend. */
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if (howto->pc_relative)
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{
relocation -= (input_section->output_section->vma
+ input_section->output_offset);
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if (howto->pcrel_offset)
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relocation -= reloc_entry->address;
}
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
mask = (1 << howto->bitsize) - 1;
if (howto->bitsize == 6)
mask <<= 12;
max = (1 << (howto->bitsize + 2)) - 1;
/* extract the addend */
num = in1 & mask; /* 18 bits */
if (howto->bitsize == 6)
num >>= 12;
num <<= 3; /* shift left 3 */
in1 &= ~mask; /* mask out addend */
relocation += num;
if (howto->type == R_D30V_21_PCREL_R || howto->type == R_D30V_15_PCREL_R ||
howto->type == R_D30V_9_PCREL_R )
{
relocation += 4;
}
if ((int)relocation < 0 )
{
if (~(int)relocation > max)
flag = bfd_reloc_overflow;
}
else
{
if ((int)relocation > max)
flag = bfd_reloc_overflow;
}
relocation >>= 3;
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if (howto->bitsize == 6)
in1 |= ((relocation & (mask >> 12)) << 12);
else
in1 |= relocation & mask;
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
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return flag;
}
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/* Map BFD reloc types to D30V ELF reloc types. */
struct d30v_reloc_map
{
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char elf_reloc_val;
};
static const struct d30v_reloc_map d30v_reloc_map[] =
{
{ BFD_RELOC_NONE, R_D30V_NONE, },
{ BFD_RELOC_D30V_6, R_D30V_6 },
{ BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL },
{ BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R },
{ BFD_RELOC_D30V_15, R_D30V_15 },
{ BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL },
{ BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R },
{ BFD_RELOC_D30V_21, R_D30V_21 },
{ BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL },
{ BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R },
{ BFD_RELOC_D30V_32, R_D30V_32 },
{ BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL },
{ BFD_RELOC_32, R_D30V_32_NORMAL },
};
static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
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bfd_reloc_code_real_type code;
{
unsigned int i;
for (i = 0;
i < sizeof (d30v_reloc_map) / sizeof (struct d30v_reloc_map);
i++)
{
if (d30v_reloc_map[i].bfd_reloc_val == code)
return &elf_d30v_howto_table[d30v_reloc_map[i].elf_reloc_val];
}
return NULL;
}
/* Set the howto pointer for an D30V ELF reloc (type REL). */
static void
d30v_info_to_howto_rel (abfd, cache_ptr, dst)
bfd *abfd ATTRIBUTE_UNUSED;
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arelent *cache_ptr;
include/elf/ChangeLog * internal.h (elf32_internal_ehdr, Elf32_Internal_Ehdr, elf64_internal_ehdr, Elf64_Internal_Ehdr, elf32_internal_phdr, Elf32_Internal_Phdr, elf64_internal_phdr, Elf64_Internal_Phdr, elf32_internal_shdr, Elf32_Internal_Shdr, elf64_internal_shdr, Elf64_Internal_Shdr, elf32_internal_sym, elf64_internal_sym, Elf32_Internal_Sym, Elf64_Internal_Sym, Elf32_Internal_Note, elf32_internal_note, elf32_internal_rel, Elf32_Internal_Rel, elf64_internal_rel, Elf64_Internal_Rel, elf32_internal_rela, elf64_internal_rela, Elf32_Internal_Rela, Elf64_Internal_Rela, elf32_internal_dyn, elf64_internal_dyn, Elf32_Internal_Dyn, Elf64_Internal_Dyn, elf32_internal_verdef, elf64_internal_verdef, elf32_internal_verdaux, elf64_internal_verdaux, elf32_internal_verneed, elf64_internal_verneed, elf32_internal_vernaux, elf64_internal_vernaux, elf32_internal_versym, elf64_internal_versym, Elf32_Internal_Verdef, Elf64_Internal_Verdef, Elf32_Internal_Verdaux, Elf64_Internal_Verdaux, Elf32_Internal_Verneed, Elf64_Internal_Verneed, Elf32_Internal_Vernaux, Elf64_Internal_Vernaux, Elf32_Internal_Versym, Elf64_Internal_Versym, Elf32_Internal_Syminfo, Elf64_Internal_Syminfo): Delete. (Elf_Internal_Rel): Delete. bfd/ChangeLog * elf-bfd.h: Replace occurrences of Elf32_Internal_* and Elf64_Internal_* with Elf_Internal_*. Replace Elf_Internal_Rel with Elf_Internal_Rela. * elf-hppa.h, elf-m10200.c, elf-m10300.c, elf32-arc.c, elf32-arm.h, elf32-avr.c, elf32-cris.c, elf32-d10v.c, elf32-d30v.c, elf32-dlx.c, elf32-fr30.c, elf32-frv.c, elf32-gen.c, elf32-h8300.c, elf32-hppa.c, elf32-i370.c, elf32-i386.c, elf32-i860.c, elf32-i960.c, elf32-ip2k.c, elf32-m32r.c, elf32-m68hc11.c, elf32-m68hc12.c, elf32-m68k.c, elf32-mcore.c, elf32-mips.c, elf32-openrisc.c, elf32-or32.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-v850.c, elf32-vax.c, elf32-xstormy16.c, elf64-alpha.c, elf64-gen.c, elf64-hppa.c, elf64-mips.c, elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c, elfarm-nabi.c, elfarm-oabi.c, elfcode.h, elflink.h, elfn32-mips.c, elfxx-ia64.c, elfxx-mips.c: Ditto. * elf-hppa.h (elf_hppa_internal_shdr): Delete. Use Elf_Internal_Shdr throughout instead. * elf.c (_bfd_elf_no_info_to_howto_rel): Delete. * elfcode.h (elf_swap_reloca_in): Pass source operand as a bfd_byte *. Remove INLINE keyword. (elf_swap_reloc_in): Likewise. Also clear r_addend. (elf_swap_reloc_out, elf_swap_reloca_out): Pass destination operand as a bfd_byte *. (elf_write_relocs): Consolidate REL and RELA code. (elf_slurp_reloc_table_from_section): Simplify REL code. (NAME(_bfd_elf,size_info)): Populate reloc swap entries. * elf-bfd.h (MAX_INT_RELS_PER_EXT_REL): Define. * elflink.h (elf_link_read_relocs_from_section): Consolidate REL and RELA code. (elf_link_adjust_relocs): Likewise. Don't malloc space for temp reloc array, use a fixed size of MAX_INT_RELS_PER_EXT_REL. (elf_link_output_relocs): Likewise. (elf_reloc_link_order): Likewise. (elf_finish_pointer_linker_section): Likewise. (struct elf_link_sort_rela): Remove union. (elf_link_sort_cmp1): Update to suit. (elf_link_sort_cmp2): Here too. (elf_link_sort_relocs): Consolidate REL and RELA code. Fix memory over-allocation for int_rels_per_ext_rel != 1 case. * elf32-arm.h: Update all bfd_elf32_swap_reloc_out calls. * elf32-i386.c: Likewise. * elf32-cris.c: Likewise for bfd_elf32_swap_reloca_out. * elf32-hppa.c, elf32-i370.c, elf32-m68k.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-vax.c, elfxx-mips.c: Likewise. * elf64-alpha.c: Likewise for bfd_elf64_swap_reloca_out. * elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c: Likewise. * elfxx-ia64.c: Likewise for bfd_elfNN_swap_reloca_out. * elfxx-mips.c (sort_dynamic_relocs): Likewise for bfd_elf32_swap_reloc_in. * elf32-arm.h: Update elf32_arm_info_to_howto calls. * elf32-mips.c: Likewise for mips_info_to_howto_rel. (mips_elf64_swap_reloc_in): Zero r_addend. (mips_elf64_be_swap_reloc_in): Likewise. (mips_elf64_slurp_one_reloc_table): Simplify. * elf64-alpha.c (alpha_elf_size_info): Populate reloc swap entries. * elf64-hppa.c (hppa64_elf_size_info): Likewise. * elf64-sparc.c (sparc64_elf_size_info): Likewise.
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Elf_Internal_Rela *dst;
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{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
cache_ptr->howto = &elf_d30v_howto_table[r_type];
}
/* Set the howto pointer for an D30V ELF reloc (type RELA). */
static void
d30v_info_to_howto_rela (abfd, cache_ptr, dst)
bfd *abfd ATTRIBUTE_UNUSED;
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arelent *cache_ptr;
include/elf/ChangeLog * internal.h (elf32_internal_ehdr, Elf32_Internal_Ehdr, elf64_internal_ehdr, Elf64_Internal_Ehdr, elf32_internal_phdr, Elf32_Internal_Phdr, elf64_internal_phdr, Elf64_Internal_Phdr, elf32_internal_shdr, Elf32_Internal_Shdr, elf64_internal_shdr, Elf64_Internal_Shdr, elf32_internal_sym, elf64_internal_sym, Elf32_Internal_Sym, Elf64_Internal_Sym, Elf32_Internal_Note, elf32_internal_note, elf32_internal_rel, Elf32_Internal_Rel, elf64_internal_rel, Elf64_Internal_Rel, elf32_internal_rela, elf64_internal_rela, Elf32_Internal_Rela, Elf64_Internal_Rela, elf32_internal_dyn, elf64_internal_dyn, Elf32_Internal_Dyn, Elf64_Internal_Dyn, elf32_internal_verdef, elf64_internal_verdef, elf32_internal_verdaux, elf64_internal_verdaux, elf32_internal_verneed, elf64_internal_verneed, elf32_internal_vernaux, elf64_internal_vernaux, elf32_internal_versym, elf64_internal_versym, Elf32_Internal_Verdef, Elf64_Internal_Verdef, Elf32_Internal_Verdaux, Elf64_Internal_Verdaux, Elf32_Internal_Verneed, Elf64_Internal_Verneed, Elf32_Internal_Vernaux, Elf64_Internal_Vernaux, Elf32_Internal_Versym, Elf64_Internal_Versym, Elf32_Internal_Syminfo, Elf64_Internal_Syminfo): Delete. (Elf_Internal_Rel): Delete. bfd/ChangeLog * elf-bfd.h: Replace occurrences of Elf32_Internal_* and Elf64_Internal_* with Elf_Internal_*. Replace Elf_Internal_Rel with Elf_Internal_Rela. * elf-hppa.h, elf-m10200.c, elf-m10300.c, elf32-arc.c, elf32-arm.h, elf32-avr.c, elf32-cris.c, elf32-d10v.c, elf32-d30v.c, elf32-dlx.c, elf32-fr30.c, elf32-frv.c, elf32-gen.c, elf32-h8300.c, elf32-hppa.c, elf32-i370.c, elf32-i386.c, elf32-i860.c, elf32-i960.c, elf32-ip2k.c, elf32-m32r.c, elf32-m68hc11.c, elf32-m68hc12.c, elf32-m68k.c, elf32-mcore.c, elf32-mips.c, elf32-openrisc.c, elf32-or32.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-v850.c, elf32-vax.c, elf32-xstormy16.c, elf64-alpha.c, elf64-gen.c, elf64-hppa.c, elf64-mips.c, elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c, elfarm-nabi.c, elfarm-oabi.c, elfcode.h, elflink.h, elfn32-mips.c, elfxx-ia64.c, elfxx-mips.c: Ditto. * elf-hppa.h (elf_hppa_internal_shdr): Delete. Use Elf_Internal_Shdr throughout instead. * elf.c (_bfd_elf_no_info_to_howto_rel): Delete. * elfcode.h (elf_swap_reloca_in): Pass source operand as a bfd_byte *. Remove INLINE keyword. (elf_swap_reloc_in): Likewise. Also clear r_addend. (elf_swap_reloc_out, elf_swap_reloca_out): Pass destination operand as a bfd_byte *. (elf_write_relocs): Consolidate REL and RELA code. (elf_slurp_reloc_table_from_section): Simplify REL code. (NAME(_bfd_elf,size_info)): Populate reloc swap entries. * elf-bfd.h (MAX_INT_RELS_PER_EXT_REL): Define. * elflink.h (elf_link_read_relocs_from_section): Consolidate REL and RELA code. (elf_link_adjust_relocs): Likewise. Don't malloc space for temp reloc array, use a fixed size of MAX_INT_RELS_PER_EXT_REL. (elf_link_output_relocs): Likewise. (elf_reloc_link_order): Likewise. (elf_finish_pointer_linker_section): Likewise. (struct elf_link_sort_rela): Remove union. (elf_link_sort_cmp1): Update to suit. (elf_link_sort_cmp2): Here too. (elf_link_sort_relocs): Consolidate REL and RELA code. Fix memory over-allocation for int_rels_per_ext_rel != 1 case. * elf32-arm.h: Update all bfd_elf32_swap_reloc_out calls. * elf32-i386.c: Likewise. * elf32-cris.c: Likewise for bfd_elf32_swap_reloca_out. * elf32-hppa.c, elf32-i370.c, elf32-m68k.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-vax.c, elfxx-mips.c: Likewise. * elf64-alpha.c: Likewise for bfd_elf64_swap_reloca_out. * elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c: Likewise. * elfxx-ia64.c: Likewise for bfd_elfNN_swap_reloca_out. * elfxx-mips.c (sort_dynamic_relocs): Likewise for bfd_elf32_swap_reloc_in. * elf32-arm.h: Update elf32_arm_info_to_howto calls. * elf32-mips.c: Likewise for mips_info_to_howto_rel. (mips_elf64_swap_reloc_in): Zero r_addend. (mips_elf64_be_swap_reloc_in): Likewise. (mips_elf64_slurp_one_reloc_table): Simplify. * elf64-alpha.c (alpha_elf_size_info): Populate reloc swap entries. * elf64-hppa.c (hppa64_elf_size_info): Likewise. * elf64-sparc.c (sparc64_elf_size_info): Likewise.
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Elf_Internal_Rela *dst;
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{
unsigned int r_type;
r_type = ELF32_R_TYPE (dst->r_info);
BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
cache_ptr->howto = &elf_d30v_howto_table[r_type];
}
#define ELF_ARCH bfd_arch_d30v
#define ELF_MACHINE_CODE EM_D30V
#define ELF_MACHINE_ALT1 EM_CYGNUS_D30V
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#define ELF_MAXPAGESIZE 0x1000
#define TARGET_BIG_SYM bfd_elf32_d30v_vec
#define TARGET_BIG_NAME "elf32-d30v"
#define elf_info_to_howto d30v_info_to_howto_rela
#define elf_info_to_howto_rel d30v_info_to_howto_rel
#define elf_backend_object_p 0
#define elf_backend_final_write_processing 0
#include "elf32-target.h"