/* SPARC-specific support for 64-bit ELF
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 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 <limits.h>
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
-#include "opcode/sparc.h"
-
-/* This is defined if one wants to build upward compatible binaries
- with the original sparc64-elf toolchain. The support is kept in for
- now but is turned off by default. dje 970930 */
-/*#define SPARC64_OLD_RELOCS*/
-
#include "elf/sparc.h"
+#include "opcode/sparc.h"
+#include "elfxx-sparc.h"
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
#define MINUS_ONE (~ (bfd_vma) 0)
-static struct bfd_link_hash_table * sparc64_elf_bfd_link_hash_table_create
- PARAMS ((bfd *));
-static bfd_reloc_status_type init_insn_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *,
- bfd *, bfd_vma *, bfd_vma *));
-static reloc_howto_type *sparc64_elf_reloc_type_lookup
- PARAMS ((bfd *, bfd_reloc_code_real_type));
-static void sparc64_elf_info_to_howto
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-
-static void sparc64_elf_build_plt
- PARAMS ((bfd *, unsigned char *, int));
-static bfd_vma sparc64_elf_plt_entry_offset
- PARAMS ((bfd_vma));
-static bfd_vma sparc64_elf_plt_ptr_offset
- PARAMS ((bfd_vma, bfd_vma));
-
-static bfd_boolean sparc64_elf_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *sec,
- const Elf_Internal_Rela *));
-static bfd_boolean sparc64_elf_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static bfd_boolean sparc64_elf_size_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static int sparc64_elf_get_symbol_type
- PARAMS (( Elf_Internal_Sym *, int));
-static bfd_boolean sparc64_elf_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
- const char **, flagword *, asection **, bfd_vma *));
-static bfd_boolean sparc64_elf_output_arch_syms
- PARAMS ((bfd *, struct bfd_link_info *, PTR,
- bfd_boolean (*) (PTR, const char *, Elf_Internal_Sym *,
- asection *, struct elf_link_hash_entry *)));
-static void sparc64_elf_symbol_processing
- PARAMS ((bfd *, asymbol *));
-
-static bfd_boolean sparc64_elf_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-
-static bfd_boolean sparc64_elf_fake_sections
- PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
-
-static const char *sparc64_elf_print_symbol_all
- PARAMS ((bfd *, PTR, asymbol *));
-static bfd_boolean sparc64_elf_new_section_hook
- PARAMS ((bfd *, asection *));
-static bfd_boolean sparc64_elf_relax_section
- PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
-static bfd_boolean sparc64_elf_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static bfd_boolean sparc64_elf_finish_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *));
-static bfd_boolean sparc64_elf_finish_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_boolean sparc64_elf_object_p PARAMS ((bfd *));
-static long sparc64_elf_get_reloc_upper_bound PARAMS ((bfd *, asection *));
-static long sparc64_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
-static bfd_boolean sparc64_elf_slurp_one_reloc_table
- PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, asymbol **, bfd_boolean));
-static bfd_boolean sparc64_elf_slurp_reloc_table
- PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
-static long sparc64_elf_canonicalize_reloc
- PARAMS ((bfd *, asection *, arelent **, asymbol **));
-static long sparc64_elf_canonicalize_dynamic_reloc
- PARAMS ((bfd *, arelent **, asymbol **));
-static void sparc64_elf_write_relocs PARAMS ((bfd *, asection *, PTR));
-static enum elf_reloc_type_class sparc64_elf_reloc_type_class
- PARAMS ((const Elf_Internal_Rela *));
-\f
-/* The relocation "howto" table. */
-
-static bfd_reloc_status_type sparc_elf_notsup_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type sparc_elf_wdisp16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type sparc_elf_hix22_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static bfd_reloc_status_type sparc_elf_lox10_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-
-static reloc_howto_type sparc64_elf_howto_table[] =
-{
- HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
- HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
- HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
- HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
- HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
- HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
- HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
- HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
- HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
- HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
- HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
-#ifndef SPARC64_OLD_RELOCS
- HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
- /* These aren't implemented yet. */
- HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
-#endif
- HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
- HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
- HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
- HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
- HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
- HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
- HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
- HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
- HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
- HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
- HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
- HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
- HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
- HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
- HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
- HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
- HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
- HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
- HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
- HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
- HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
- HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
- HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
- HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
- HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
- HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
- HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
- HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
- HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE)
-};
-
-struct elf_reloc_map {
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned char elf_reloc_val;
-};
-
-static const struct elf_reloc_map sparc_reloc_map[] =
-{
- { BFD_RELOC_NONE, R_SPARC_NONE, },
- { BFD_RELOC_16, R_SPARC_16, },
- { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
- { BFD_RELOC_8, R_SPARC_8 },
- { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
- { BFD_RELOC_CTOR, R_SPARC_64 },
- { BFD_RELOC_32, R_SPARC_32 },
- { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
- { BFD_RELOC_HI22, R_SPARC_HI22 },
- { BFD_RELOC_LO10, R_SPARC_LO10, },
- { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
- { BFD_RELOC_64_PCREL, R_SPARC_DISP64 },
- { BFD_RELOC_SPARC22, R_SPARC_22 },
- { BFD_RELOC_SPARC13, R_SPARC_13 },
- { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
- { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
- { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
- { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
- { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
- { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
- { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
- { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
- { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
- { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
- { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
- { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
- { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
- { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
- { BFD_RELOC_SPARC_10, R_SPARC_10 },
- { BFD_RELOC_SPARC_11, R_SPARC_11 },
- { BFD_RELOC_SPARC_64, R_SPARC_64 },
- { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
- { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
- { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
- { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
- { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
- { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
- { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
- { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
- { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
- { BFD_RELOC_SPARC_7, R_SPARC_7 },
- { BFD_RELOC_SPARC_5, R_SPARC_5 },
- { BFD_RELOC_SPARC_6, R_SPARC_6 },
- { BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 },
- { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 },
- { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 },
- { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD },
- { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL },
- { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 },
- { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 },
- { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD },
- { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL },
- { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 },
- { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 },
- { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD },
- { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 },
- { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 },
- { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD },
- { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX },
- { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD },
- { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 },
- { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 },
- { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 },
- { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 },
- { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 },
- { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 },
- { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 },
- { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 },
-#ifndef SPARC64_OLD_RELOCS
- { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
-#endif
- { BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64 },
- { BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22 },
- { BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10 },
- { BFD_RELOC_SPARC_H44, R_SPARC_H44 },
- { BFD_RELOC_SPARC_M44, R_SPARC_M44 },
- { BFD_RELOC_SPARC_L44, R_SPARC_L44 },
- { BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER }
-};
-
-static reloc_howto_type *
-sparc64_elf_reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
-{
- unsigned int i;
- for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
- {
- if (sparc_reloc_map[i].bfd_reloc_val == code)
- return &sparc64_elf_howto_table[(int) sparc_reloc_map[i].elf_reloc_val];
- }
- return 0;
-}
-
-static void
-sparc64_elf_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
-{
- BFD_ASSERT (ELF64_R_TYPE_ID (dst->r_info) < (unsigned int) R_SPARC_max_std);
- cache_ptr->howto = &sparc64_elf_howto_table[ELF64_R_TYPE_ID (dst->r_info)];
-}
-\f
-struct sparc64_elf_section_data
-{
- struct bfd_elf_section_data elf;
- unsigned int do_relax, reloc_count;
-};
-
-#define sec_do_relax(sec) \
- ((struct sparc64_elf_section_data *) elf_section_data (sec))->do_relax
-#define canon_reloc_count(sec) \
- ((struct sparc64_elf_section_data *) elf_section_data (sec))->reloc_count
-
/* Due to the way how we handle R_SPARC_OLO10, each entry in a SHT_RELA
section can represent up to two relocs, we must tell the user to allocate
more space. */
static long
-sparc64_elf_get_reloc_upper_bound (abfd, sec)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec;
+elf64_sparc_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
{
+#if SIZEOF_LONG == SIZEOF_INT
+ if (sec->reloc_count >= LONG_MAX / 2 / sizeof (arelent *))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return -1;
+ }
+#endif
return (sec->reloc_count * 2 + 1) * sizeof (arelent *);
}
static long
-sparc64_elf_get_dynamic_reloc_upper_bound (abfd)
- bfd *abfd;
+elf64_sparc_get_dynamic_reloc_upper_bound (bfd *abfd)
{
- return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 2;
+ long ret = _bfd_elf_get_dynamic_reloc_upper_bound (abfd);
+ if (ret > LONG_MAX / 2)
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ ret = -1;
+ }
+ else if (ret > 0)
+ ret *= 2;
+ return ret;
}
/* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of
for the same location, R_SPARC_LO10 and R_SPARC_13. */
static bfd_boolean
-sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic)
- bfd *abfd;
- asection *asect;
- Elf_Internal_Shdr *rel_hdr;
- asymbol **symbols;
- bfd_boolean dynamic;
+elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect,
+ Elf_Internal_Shdr *rel_hdr,
+ asymbol **symbols, bfd_boolean dynamic)
{
- PTR allocated = NULL;
+ void * allocated = NULL;
bfd_byte *native_relocs;
arelent *relent;
unsigned int i;
bfd_size_type count;
arelent *relents;
- allocated = (PTR) bfd_malloc (rel_hdr->sh_size);
+ if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0)
+ return FALSE;
+ allocated = _bfd_malloc_and_read (abfd, rel_hdr->sh_size, rel_hdr->sh_size);
if (allocated == NULL)
- goto error_return;
-
- if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0
- || bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size)
- goto error_return;
+ return FALSE;
native_relocs = (bfd_byte *) allocated;
i++, relent++, native_relocs += entsize)
{
Elf_Internal_Rela rela;
+ unsigned int r_type;
bfd_elf64_swap_reloca_in (abfd, native_relocs, &rela);
else
relent->address = rela.r_offset - asect->vma;
- if (ELF64_R_SYM (rela.r_info) == 0)
+ if (ELF64_R_SYM (rela.r_info) == STN_UNDEF)
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ else if (/* PR 17512: file: 996185f8. */
+ ELF64_R_SYM (rela.r_info) > (dynamic
+ ? bfd_get_dynamic_symcount (abfd)
+ : bfd_get_symcount (abfd)))
+ {
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB(%pA): relocation %d has invalid symbol index %ld"),
+ abfd, asect, i, (long) ELF64_R_SYM (rela.r_info));
+ bfd_set_error (bfd_error_bad_value);
+ relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ }
else
{
asymbol **ps, *s;
relent->addend = rela.r_addend;
- BFD_ASSERT (ELF64_R_TYPE_ID (rela.r_info) < (unsigned int) R_SPARC_max_std);
- if (ELF64_R_TYPE_ID (rela.r_info) == R_SPARC_OLO10)
+ r_type = ELF64_R_TYPE_ID (rela.r_info);
+ if (r_type == R_SPARC_OLO10)
{
- relent->howto = &sparc64_elf_howto_table[R_SPARC_LO10];
+ relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_LO10);
relent[1].address = relent->address;
relent++;
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
relent->addend = ELF64_R_TYPE_DATA (rela.r_info);
- relent->howto = &sparc64_elf_howto_table[R_SPARC_13];
+ relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_13);
}
else
- relent->howto = &sparc64_elf_howto_table[ELF64_R_TYPE_ID (rela.r_info)];
+ {
+ relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type);
+ if (relent->howto == NULL)
+ goto error_return;
+ }
}
canon_reloc_count (asect) += relent - relents;
- if (allocated != NULL)
- free (allocated);
-
+ free (allocated);
return TRUE;
error_return:
- if (allocated != NULL)
- free (allocated);
+ free (allocated);
return FALSE;
}
/* Read in and swap the external relocs. */
static bfd_boolean
-sparc64_elf_slurp_reloc_table (abfd, asect, symbols, dynamic)
- bfd *abfd;
- asection *asect;
- asymbol **symbols;
- bfd_boolean dynamic;
+elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect,
+ asymbol **symbols, bfd_boolean dynamic)
{
struct bfd_elf_section_data * const d = elf_section_data (asect);
Elf_Internal_Shdr *rel_hdr;
|| asect->reloc_count == 0)
return TRUE;
- rel_hdr = &d->rel_hdr;
- rel_hdr2 = d->rel_hdr2;
+ rel_hdr = d->rel.hdr;
+ rel_hdr2 = d->rela.hdr;
- BFD_ASSERT (asect->rel_filepos == rel_hdr->sh_offset
+ BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset)
|| (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset));
}
else
case because relocations against this section may use the
dynamic symbol table, and in that case bfd_section_from_shdr
in elf.c does not update the RELOC_COUNT. */
- if (asect->_raw_size == 0)
+ if (asect->size == 0)
return TRUE;
rel_hdr = &d->this_hdr;
if (asect->relocation == NULL)
return FALSE;
- /* The sparc64_elf_slurp_one_reloc_table routine increments
+ /* The elf64_sparc_slurp_one_reloc_table routine increments
canon_reloc_count. */
canon_reloc_count (asect) = 0;
- if (!sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols,
- dynamic))
+ if (rel_hdr
+ && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols,
+ dynamic))
return FALSE;
if (rel_hdr2
- && !sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols,
+ && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols,
dynamic))
return FALSE;
/* Canonicalize the relocs. */
static long
-sparc64_elf_canonicalize_reloc (abfd, section, relptr, symbols)
- bfd *abfd;
- sec_ptr section;
- arelent **relptr;
- asymbol **symbols;
+elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section,
+ arelent **relptr, asymbol **symbols)
{
arelent *tblptr;
unsigned int i;
section. */
static long
-sparc64_elf_canonicalize_dynamic_reloc (abfd, storage, syms)
- bfd *abfd;
- arelent **storage;
- asymbol **syms;
+elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage,
+ asymbol **syms)
{
asection *s;
long ret;
arelent *p;
long count, i;
- if (! sparc64_elf_slurp_reloc_table (abfd, s, syms, TRUE))
+ if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, TRUE))
return -1;
count = canon_reloc_count (s);
p = s->relocation;
return ret;
}
+/* Install a new set of internal relocs. */
+
+static void
+elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *asect,
+ arelent **location,
+ unsigned int count)
+{
+ asect->orelocation = location;
+ canon_reloc_count (asect) = count;
+}
+
/* Write out the relocs. */
static void
-sparc64_elf_write_relocs (abfd, sec, data)
- bfd *abfd;
- asection *sec;
- PTR data;
+elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data)
{
bfd_boolean *failedp = (bfd_boolean *) data;
Elf_Internal_Shdr *rela_hdr;
+ bfd_vma addr_offset;
Elf64_External_Rela *outbound_relocas, *src_rela;
unsigned int idx, count;
asymbol *last_sym = 0;
reloc_count field to zero to inhibit writing them here. Also,
sometimes the SEC_RELOC flag gets set even when there aren't any
relocs. */
- if (sec->reloc_count == 0)
+ if (canon_reloc_count (sec) == 0)
return;
/* We can combine two relocs that refer to the same address
into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the
latter is R_SPARC_13 with no associated symbol. */
count = 0;
- for (idx = 0; idx < sec->reloc_count; idx++)
+ for (idx = 0; idx < canon_reloc_count (sec); idx++)
{
bfd_vma addr;
addr = sec->orelocation[idx]->address;
if (sec->orelocation[idx]->howto->type == R_SPARC_LO10
- && idx < sec->reloc_count - 1)
+ && idx < canon_reloc_count (sec) - 1)
{
arelent *r = sec->orelocation[idx + 1];
}
}
- rela_hdr = &elf_section_data (sec)->rel_hdr;
+ rela_hdr = elf_section_data (sec)->rela.hdr;
rela_hdr->sh_size = rela_hdr->sh_entsize * count;
- rela_hdr->contents = (PTR) bfd_alloc (abfd, rela_hdr->sh_size);
+ rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size);
if (rela_hdr->contents == NULL)
{
*failedp = TRUE;
if (rela_hdr->sh_type != SHT_RELA)
abort ();
+ /* The address of an ELF reloc is section relative for an object
+ file, and absolute for an executable file or shared library.
+ The address of a BFD reloc is always section relative. */
+ addr_offset = 0;
+ if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
+ addr_offset = sec->vma;
+
/* orelocation has the data, reloc_count has the count... */
outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents;
src_rela = outbound_relocas;
- for (idx = 0; idx < sec->reloc_count; idx++)
+ for (idx = 0; idx < canon_reloc_count (sec); idx++)
{
Elf_Internal_Rela dst_rela;
arelent *ptr;
int n;
ptr = sec->orelocation[idx];
-
- /* The address of an ELF reloc is section relative for an object
- file, and absolute for an executable file or shared library.
- The address of a BFD reloc is always section relative. */
- if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0)
- dst_rela.r_offset = ptr->address;
- else
- dst_rela.r_offset = ptr->address + sec->vma;
-
sym = *ptr->sym_ptr_ptr;
if (sym == last_sym)
n = last_sym_idx;
}
if (ptr->howto->type == R_SPARC_LO10
- && idx < sec->reloc_count - 1)
+ && idx < canon_reloc_count (sec) - 1)
{
arelent *r = sec->orelocation[idx + 1];
else
dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type);
+ dst_rela.r_offset = ptr->address + addr_offset;
dst_rela.r_addend = ptr->addend;
+
bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela);
++src_rela;
}
}
\f
-/* Sparc64 ELF linker hash table. */
-
-struct sparc64_elf_app_reg
-{
- unsigned char bind;
- unsigned short shndx;
- bfd *abfd;
- char *name;
-};
-
-struct sparc64_elf_link_hash_table
-{
- struct elf_link_hash_table root;
-
- struct sparc64_elf_app_reg app_regs [4];
-};
-
-/* Get the Sparc64 ELF linker hash table from a link_info structure. */
-
-#define sparc64_elf_hash_table(p) \
- ((struct sparc64_elf_link_hash_table *) ((p)->hash))
-
-/* Create a Sparc64 ELF linker hash table. */
-
-static struct bfd_link_hash_table *
-sparc64_elf_bfd_link_hash_table_create (abfd)
- bfd *abfd;
-{
- struct sparc64_elf_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct sparc64_elf_link_hash_table);
-
- ret = (struct sparc64_elf_link_hash_table *) bfd_zmalloc (amt);
- if (ret == (struct sparc64_elf_link_hash_table *) NULL)
- return NULL;
-
- if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
- _bfd_elf_link_hash_newfunc))
- {
- free (ret);
- return NULL;
- }
-
- return &ret->root.root;
-}
-\f
-/* Utility for performing the standard initial work of an instruction
- relocation.
- *PRELOCATION will contain the relocated item.
- *PINSN will contain the instruction from the input stream.
- If the result is `bfd_reloc_other' the caller can continue with
- performing the relocation. Otherwise it must stop and return the
- value to its caller. */
-
-static bfd_reloc_status_type
-init_insn_reloc (abfd,
- reloc_entry,
- symbol,
- data,
- input_section,
- output_bfd,
- prelocation,
- pinsn)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- bfd_vma *prelocation;
- bfd_vma *pinsn;
-{
- bfd_vma relocation;
- reloc_howto_type *howto = reloc_entry->howto;
-
- if (output_bfd != (bfd *) NULL
- && (symbol->flags & BSF_SECTION_SYM) == 0
- && (! howto->partial_inplace
- || reloc_entry->addend == 0))
- {
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
- }
-
- /* This works because partial_inplace is FALSE. */
- if (output_bfd != NULL)
- return bfd_reloc_continue;
-
- if (reloc_entry->address > input_section->_cooked_size)
- return bfd_reloc_outofrange;
-
- relocation = (symbol->value
- + symbol->section->output_section->vma
- + symbol->section->output_offset);
- relocation += reloc_entry->addend;
- if (howto->pc_relative)
- {
- relocation -= (input_section->output_section->vma
- + input_section->output_offset);
- relocation -= reloc_entry->address;
- }
-
- *prelocation = relocation;
- *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
- return bfd_reloc_other;
-}
-
-/* For unsupported relocs. */
-
-static bfd_reloc_status_type
-sparc_elf_notsup_reloc (abfd,
- reloc_entry,
- symbol,
- data,
- input_section,
- output_bfd,
- error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *reloc_entry ATTRIBUTE_UNUSED;
- asymbol *symbol ATTRIBUTE_UNUSED;
- PTR data ATTRIBUTE_UNUSED;
- asection *input_section ATTRIBUTE_UNUSED;
- bfd *output_bfd ATTRIBUTE_UNUSED;
- char **error_message ATTRIBUTE_UNUSED;
-{
- return bfd_reloc_notsupported;
-}
-
-/* Handle the WDISP16 reloc. */
-
-static bfd_reloc_status_type
-sparc_elf_wdisp16_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;
-{
- bfd_vma relocation;
- bfd_vma insn;
- bfd_reloc_status_type status;
-
- status = init_insn_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, &relocation, &insn);
- if (status != bfd_reloc_other)
- return status;
-
- insn &= ~ (bfd_vma) 0x303fff;
- insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
- if ((bfd_signed_vma) relocation < - 0x40000
- || (bfd_signed_vma) relocation > 0x3ffff)
- return bfd_reloc_overflow;
- else
- return bfd_reloc_ok;
-}
-
-/* Handle the HIX22 reloc. */
-
-static bfd_reloc_status_type
-sparc_elf_hix22_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;
-{
- bfd_vma relocation;
- bfd_vma insn;
- bfd_reloc_status_type status;
-
- status = init_insn_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, &relocation, &insn);
- if (status != bfd_reloc_other)
- return status;
-
- relocation ^= MINUS_ONE;
- insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
- if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
- return bfd_reloc_overflow;
- else
- return bfd_reloc_ok;
-}
-
-/* Handle the LOX10 reloc. */
-
-static bfd_reloc_status_type
-sparc_elf_lox10_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;
-{
- bfd_vma relocation;
- bfd_vma insn;
- bfd_reloc_status_type status;
-
- status = init_insn_reloc (abfd, reloc_entry, symbol, data,
- input_section, output_bfd, &relocation, &insn);
- if (status != bfd_reloc_other)
- return status;
-
- insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
- bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
-
- return bfd_reloc_ok;
-}
-\f
-/* PLT/GOT stuff */
-
-/* Both the headers and the entries are icache aligned. */
-#define PLT_ENTRY_SIZE 32
-#define PLT_HEADER_SIZE (4 * PLT_ENTRY_SIZE)
-#define LARGE_PLT_THRESHOLD 32768
-#define GOT_RESERVED_ENTRIES 1
-
-#define ELF_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
-
-/* Fill in the .plt section. */
-
-static void
-sparc64_elf_build_plt (output_bfd, contents, nentries)
- bfd *output_bfd;
- unsigned char *contents;
- int nentries;
-{
- const unsigned int nop = 0x01000000;
- int i, j;
-
- /* The first four entries are reserved, and are initially undefined.
- We fill them with `illtrap 0' to force ld.so to do something. */
-
- for (i = 0; i < PLT_HEADER_SIZE/4; ++i)
- bfd_put_32 (output_bfd, (bfd_vma) 0, contents+i*4);
-
- /* The first 32768 entries are close enough to plt1 to get there via
- a straight branch. */
-
- for (i = 4; i < LARGE_PLT_THRESHOLD && i < nentries; ++i)
- {
- unsigned char *entry = contents + i * PLT_ENTRY_SIZE;
- unsigned int sethi, ba;
-
- /* sethi (. - plt0), %g1 */
- sethi = 0x03000000 | (i * PLT_ENTRY_SIZE);
-
- /* ba,a,pt %xcc, plt1 */
- ba = 0x30680000 | (((contents+PLT_ENTRY_SIZE) - (entry+4)) / 4 & 0x7ffff);
-
- bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
- bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
- }
-
- /* Now the tricky bit. Entries 32768 and higher are grouped in blocks of
- 160: 160 entries and 160 pointers. This is to separate code from data,
- which is much friendlier on the cache. */
-
- for (; i < nentries; i += 160)
- {
- int block = (i + 160 <= nentries ? 160 : nentries - i);
- for (j = 0; j < block; ++j)
- {
- unsigned char *entry, *ptr;
- unsigned int ldx;
-
- entry = contents + i*PLT_ENTRY_SIZE + j*4*6;
- ptr = contents + i*PLT_ENTRY_SIZE + block*4*6 + j*8;
-
- /* ldx [%o7 + ptr - (entry+4)], %g1 */
- ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
-
- /* mov %o7,%g5
- call .+8
- nop
- ldx [%o7+P],%g1
- jmpl %o7+%g1,%g1
- mov %g5,%o7 */
- bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
- bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
- bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
- bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
- bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
- bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
-
- bfd_put_64 (output_bfd, (bfd_vma) (contents - (entry + 4)), ptr);
- }
- }
-}
-
-/* Return the offset of a particular plt entry within the .plt section. */
-
-static bfd_vma
-sparc64_elf_plt_entry_offset (index)
- bfd_vma index;
-{
- bfd_vma block, ofs;
-
- if (index < LARGE_PLT_THRESHOLD)
- return index * PLT_ENTRY_SIZE;
-
- /* See above for details. */
-
- block = (index - LARGE_PLT_THRESHOLD) / 160;
- ofs = (index - LARGE_PLT_THRESHOLD) % 160;
-
- return (LARGE_PLT_THRESHOLD + block * 160) * PLT_ENTRY_SIZE + ofs * 6 * 4;
-}
-
-static bfd_vma
-sparc64_elf_plt_ptr_offset (index, max)
- bfd_vma index;
- bfd_vma max;
-{
- bfd_vma block, ofs, last;
-
- BFD_ASSERT(index >= LARGE_PLT_THRESHOLD);
-
- /* See above for details. */
-
- block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160) + LARGE_PLT_THRESHOLD;
- ofs = index - block;
- if (block + 160 > max)
- last = (max - LARGE_PLT_THRESHOLD) % 160;
- else
- last = 160;
-
- return (block * PLT_ENTRY_SIZE
- + last * 6*4
- + ofs * 8);
-}
-\f
-/* Look through the relocs for a section during the first phase, and
- allocate space in the global offset table or procedure linkage
- table. */
-
-static bfd_boolean
-sparc64_elf_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
-{
- bfd *dynobj;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_vma *local_got_offsets;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- asection *sgot;
- asection *srelgot;
- asection *sreloc;
-
- if (info->relocatable || !(sec->flags & SEC_ALLOC))
- return TRUE;
-
- dynobj = elf_hash_table (info)->dynobj;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_offsets = elf_local_got_offsets (abfd);
-
- sgot = NULL;
- srelgot = NULL;
- sreloc = NULL;
-
- rel_end = relocs + NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
- for (rel = relocs; rel < rel_end; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
-
- r_symndx = ELF64_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
-
- switch (ELF64_R_TYPE_ID (rel->r_info))
- {
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- /* This symbol requires a global offset table entry. */
-
- if (dynobj == NULL)
- {
- /* Create the .got section. */
- elf_hash_table (info)->dynobj = dynobj = abfd;
- if (! _bfd_elf_create_got_section (dynobj, info))
- return FALSE;
- }
-
- if (sgot == NULL)
- {
- sgot = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- }
-
- if (srelgot == NULL && (h != NULL || info->shared))
- {
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- if (srelgot == NULL)
- {
- srelgot = bfd_make_section (dynobj, ".rela.got");
- if (srelgot == NULL
- || ! bfd_set_section_flags (dynobj, srelgot,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (dynobj, srelgot, 3))
- return FALSE;
- }
- }
-
- if (h != NULL)
- {
- if (h->got.offset != (bfd_vma) -1)
- {
- /* We have already allocated space in the .got. */
- break;
- }
- h->got.offset = sgot->_raw_size;
-
- /* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- srelgot->_raw_size += sizeof (Elf64_External_Rela);
- }
- else
- {
- /* This is a global offset table entry for a local
- symbol. */
- if (local_got_offsets == NULL)
- {
- bfd_size_type size;
- register unsigned int i;
-
- size = symtab_hdr->sh_info;
- size *= sizeof (bfd_vma);
- local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
- if (local_got_offsets == NULL)
- return FALSE;
- elf_local_got_offsets (abfd) = local_got_offsets;
- for (i = 0; i < symtab_hdr->sh_info; i++)
- local_got_offsets[i] = (bfd_vma) -1;
- }
- if (local_got_offsets[r_symndx] != (bfd_vma) -1)
- {
- /* We have already allocated space in the .got. */
- break;
- }
- local_got_offsets[r_symndx] = sgot->_raw_size;
-
- if (info->shared)
- {
- /* If we are generating a shared object, we need to
- output a R_SPARC_RELATIVE reloc so that the
- dynamic linker can adjust this GOT entry. */
- srelgot->_raw_size += sizeof (Elf64_External_Rela);
- }
- }
-
- sgot->_raw_size += 8;
-
-#if 0
- /* Doesn't work for 64-bit -fPIC, since sethi/or builds
- unsigned numbers. If we permit ourselves to modify
- code so we get sethi/xor, this could work.
- Question: do we consider conditionally re-enabling
- this for -fpic, once we know about object code models? */
- /* If the .got section is more than 0x1000 bytes, we add
- 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
- bit relocations have a greater chance of working. */
- if (sgot->_raw_size >= 0x1000
- && elf_hash_table (info)->hgot->root.u.def.value == 0)
- elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
-#endif
-
- break;
-
- case R_SPARC_WPLT30:
- case R_SPARC_PLT32:
- case R_SPARC_HIPLT22:
- case R_SPARC_LOPLT10:
- case R_SPARC_PCPLT32:
- case R_SPARC_PCPLT22:
- case R_SPARC_PCPLT10:
- case R_SPARC_PLT64:
- /* 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 (h == NULL)
- {
- /* It does not make sense to have a procedure linkage
- table entry for a local symbol. */
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- /* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- if (ELF64_R_TYPE_ID (rel->r_info) != R_SPARC_PLT32
- && ELF64_R_TYPE_ID (rel->r_info) != R_SPARC_PLT64)
- break;
- /* Fall through. */
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (h != NULL
- && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* Fall through. */
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- if (h == NULL)
- break;
- /* Fall through. */
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- case R_SPARC_UA16:
- /* 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.
-
- But don't do this for debugging sections -- this shows up
- with DWARF2 -- first because they are not loaded, and
- second because DWARF sez the debug info is not to be
- biased by the load address. */
- if (info->shared && (sec->flags & SEC_ALLOC))
- {
- 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, 3))
- return FALSE;
- }
- if (sec->flags & SEC_READONLY)
- info->flags |= DF_TEXTREL;
- }
-
- sreloc->_raw_size += sizeof (Elf64_External_Rela);
- }
- break;
-
- case R_SPARC_REGISTER:
- /* Nothing to do. */
- break;
-
- default:
- (*_bfd_error_handler) (_("%s: check_relocs: unhandled reloc type %d"),
- bfd_archive_filename (abfd),
- ELF64_R_TYPE_ID (rel->r_info));
- return FALSE;
- }
- }
-
- return TRUE;
-}
-
/* Hook called by the linker routine which adds symbols from an object
file. We use it for STT_REGISTER symbols. */
static bfd_boolean
-sparc64_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 ATTRIBUTE_UNUSED;
- bfd_vma *valp ATTRIBUTE_UNUSED;
+elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
+ Elf_Internal_Sym *sym, const char **namep,
+ flagword *flagsp ATTRIBUTE_UNUSED,
+ asection **secp ATTRIBUTE_UNUSED,
+ bfd_vma *valp ATTRIBUTE_UNUSED)
{
static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" };
if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER)
{
int reg;
- struct sparc64_elf_app_reg *p;
+ struct _bfd_sparc_elf_app_reg *p;
reg = (int)sym->st_value;
switch (reg & ~1)
case 2: reg -= 2; break;
case 6: reg -= 4; break;
default:
- (*_bfd_error_handler)
- (_("%s: Only registers %%g[2367] can be declared using STT_REGISTER"),
- bfd_archive_filename (abfd));
+ _bfd_error_handler
+ (_("%pB: only registers %%g[2367] can be declared using STT_REGISTER"),
+ abfd);
return FALSE;
}
- if (info->hash->creator != abfd->xvec
+ if (info->output_bfd->xvec != abfd->xvec
|| (abfd->flags & DYNAMIC) != 0)
- {
+ {
/* STT_REGISTER only works when linking an elf64_sparc object.
If STT_REGISTER comes from a dynamic object, don't put it into
the output bfd. The dynamic linker will recheck it. */
*namep = NULL;
return TRUE;
- }
+ }
- p = sparc64_elf_hash_table(info)->app_regs + reg;
+ p = _bfd_sparc_elf_hash_table(info)->app_regs + reg;
if (p->name != NULL && strcmp (p->name, *namep))
{
- (*_bfd_error_handler)
- (_("Register %%g%d used incompatibly: %s in %s, previously %s in %s"),
- (int) sym->st_value,
- **namep ? *namep : "#scratch", bfd_archive_filename (abfd),
- *p->name ? p->name : "#scratch", bfd_archive_filename (p->abfd));
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("register %%g%d used incompatibly: %s in %pB,"
+ " previously %s in %pB"),
+ (int) sym->st_value, **namep ? *namep : "#scratch", abfd,
+ *p->name ? p->name : "#scratch", p->abfd);
return FALSE;
}
if (type > STT_FUNC)
type = 0;
- (*_bfd_error_handler)
- (_("Symbol `%s' has differing types: REGISTER in %s, previously %s in %s"),
- *namep, bfd_archive_filename (abfd),
- stt_types[type], bfd_archive_filename (p->abfd));
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("symbol `%s' has differing types: REGISTER in %pB,"
+ " previously %s in %pB"),
+ *namep, abfd, stt_types[type], p->abfd);
return FALSE;
}
return TRUE;
}
else if (*namep && **namep
- && info->hash->creator == abfd->xvec)
+ && info->output_bfd->xvec == abfd->xvec)
{
int i;
- struct sparc64_elf_app_reg *p;
+ struct _bfd_sparc_elf_app_reg *p;
- p = sparc64_elf_hash_table(info)->app_regs;
+ p = _bfd_sparc_elf_hash_table(info)->app_regs;
for (i = 0; i < 4; i++, p++)
if (p->name != NULL && ! strcmp (p->name, *namep))
{
if (type > STT_FUNC)
type = 0;
- (*_bfd_error_handler)
- (_("Symbol `%s' has differing types: %s in %s, previously REGISTER in %s"),
- *namep, stt_types[type], bfd_archive_filename (abfd),
- bfd_archive_filename (p->abfd));
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("Symbol `%s' has differing types: %s in %pB,"
+ " previously REGISTER in %pB"),
+ *namep, stt_types[type], abfd, p->abfd);
return FALSE;
}
}
which we cannot easily keep in the symbol hash table. */
static bfd_boolean
-sparc64_elf_output_arch_syms (output_bfd, info, finfo, func)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
- PTR finfo;
- bfd_boolean (*func)
- PARAMS ((PTR, const char *, Elf_Internal_Sym *, asection *,
- struct elf_link_hash_entry *));
+elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info,
+ void * flaginfo,
+ int (*func) (void *, const char *,
+ Elf_Internal_Sym *,
+ asection *,
+ struct elf_link_hash_entry *))
{
int reg;
- struct sparc64_elf_app_reg *app_regs =
- sparc64_elf_hash_table(info)->app_regs;
+ struct _bfd_sparc_elf_app_reg *app_regs =
+ _bfd_sparc_elf_hash_table(info)->app_regs;
Elf_Internal_Sym sym;
- /* We arranged in size_dynamic_sections to put the STT_REGISTER entries
- at the end of the dynlocal list, so they came at the end of the local
- symbols in the symtab. Except that they aren't STB_LOCAL, so we need
- to back up symtab->sh_info. */
- if (elf_hash_table (info)->dynlocal)
- {
- bfd * dynobj = elf_hash_table (info)->dynobj;
- asection *dynsymsec = bfd_get_section_by_name (dynobj, ".dynsym");
- struct elf_link_local_dynamic_entry *e;
-
- for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
- if (e->input_indx == -1)
- break;
- if (e)
- {
- elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
- = e->dynindx;
- }
- }
-
- if (info->strip == strip_all)
- return TRUE;
-
for (reg = 0; reg < 4; reg++)
if (app_regs [reg].name != NULL)
{
sym.st_other = 0;
sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER);
sym.st_shndx = app_regs [reg].shndx;
- if (! (*func) (finfo, app_regs [reg].name, &sym,
- sym.st_shndx == SHN_ABS
- ? bfd_abs_section_ptr : bfd_und_section_ptr,
- NULL))
+ sym.st_target_internal = 0;
+ if ((*func) (flaginfo, app_regs [reg].name, &sym,
+ sym.st_shndx == SHN_ABS
+ ? bfd_abs_section_ptr : bfd_und_section_ptr,
+ NULL) != 1)
return FALSE;
}
}
static int
-sparc64_elf_get_symbol_type (elf_sym, type)
- Elf_Internal_Sym * elf_sym;
- int type;
+elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
{
if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER)
return STT_REGISTER;
even in SHN_UNDEF section. */
static void
-sparc64_elf_symbol_processing (abfd, asym)
- bfd *abfd ATTRIBUTE_UNUSED;
- asymbol *asym;
+elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym)
{
elf_symbol_type *elfsym;
}
}
-/* 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
- change the definition to something the rest of the link can
- understand. */
+\f
+/* Functions for dealing with the e_flags field. */
+
+/* Merge backend specific data from an object file to the output
+ object file when linking. */
static bfd_boolean
-sparc64_elf_adjust_dynamic_symbol (info, h)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
+elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
- bfd *dynobj;
- asection *s;
- unsigned int power_of_two;
-
- 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)));
-
- /* If this is a function, put it in the procedure linkage table. We
- will fill in the contents of the procedure linkage table later
- (although we could actually do it here). The STT_NOTYPE
- condition is a hack specifically for the Oracle libraries
- delivered for Solaris; for some inexplicable reason, they define
- some of their functions as STT_NOTYPE when they really should be
- STT_FUNC. */
- if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0
- || (h->type == STT_NOTYPE
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- && (h->root.u.def.section->flags & SEC_CODE) != 0))
- {
- if (! elf_hash_table (info)->dynamic_sections_created)
- {
- /* This case can occur if we saw a WPLT30 reloc in an input
- file, but none of the input files were dynamic objects.
- In such a case, we don't actually need to build a
- procedure linkage table, and we can just do a WDISP30
- reloc instead. */
- BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0);
- return TRUE;
- }
+ bfd *obfd = info->output_bfd;
+ bfd_boolean error;
+ flagword new_flags, old_flags;
+ int new_mm, old_mm;
- s = bfd_get_section_by_name (dynobj, ".plt");
- BFD_ASSERT (s != NULL);
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return TRUE;
- /* The first four bit in .plt is reserved. */
- if (s->_raw_size == 0)
- s->_raw_size = PLT_HEADER_SIZE;
+ new_flags = elf_elfheader (ibfd)->e_flags;
+ old_flags = elf_elfheader (obfd)->e_flags;
- /* To simplify matters later, just store the plt index here. */
- h->plt.offset = s->_raw_size / PLT_ENTRY_SIZE;
+ if (!elf_flags_init (obfd)) /* First call, no flags set */
+ {
+ elf_flags_init (obfd) = TRUE;
+ elf_elfheader (obfd)->e_flags = new_flags;
+ }
- /* 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 = sparc64_elf_plt_entry_offset (h->plt.offset);
- }
+ else if (new_flags == old_flags) /* Compatible flags are ok */
+ ;
- /* Make room for this entry. */
- s->_raw_size += PLT_ENTRY_SIZE;
+ else /* Incompatible flags */
+ {
+ error = FALSE;
- /* We also need to make an entry in the .rela.plt section. */
-
- s = bfd_get_section_by_name (dynobj, ".rela.plt");
- BFD_ASSERT (s != NULL);
-
- s->_raw_size += sizeof (Elf64_External_Rela);
-
- /* The procedure linkage table size is bounded by the magnitude
- of the offset we can describe in the entry. */
- if (s->_raw_size >= (bfd_vma)1 << 32)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- 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)
- {
- 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;
- return TRUE;
- }
-
- /* This is a reference to a symbol defined by a dynamic object which
- is not a function. */
-
- /* If we are creating a shared library, we must presume that the
- 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)
- return TRUE;
-
- /* We must allocate the symbol in our .dynbss section, which will
- become part of the .bss section of the executable. There will be
- an entry for this symbol in the .dynsym section. The dynamic
- object will contain position independent code, so all references
- from the dynamic object to this symbol will go through the global
- offset table. The dynamic linker will use the .dynsym entry to
- determine the address it must put in the global offset table, so
- both the dynamic object and the regular object will refer to the
- same memory location for the variable. */
-
- s = bfd_get_section_by_name (dynobj, ".dynbss");
- BFD_ASSERT (s != NULL);
-
- /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
- to copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rel.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
- {
- asection *srel;
-
- srel = bfd_get_section_by_name (dynobj, ".rela.bss");
- BFD_ASSERT (srel != NULL);
- srel->_raw_size += sizeof (Elf64_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. 16-bytes is the size
- of the largest type that requires hard alignment -- long double. */
- power_of_two = bfd_log2 (h->size);
- if (power_of_two > 4)
- power_of_two = 4;
-
- /* 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;
- }
-
- /* 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;
-}
-
-/* Set the sizes of the dynamic sections. */
-
-static bfd_boolean
-sparc64_elf_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
-{
- bfd *dynobj;
- asection *s;
- bfd_boolean relplt;
-
- dynobj = elf_hash_table (info)->dynobj;
- BFD_ASSERT (dynobj != NULL);
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- /* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
- {
- s = bfd_get_section_by_name (dynobj, ".interp");
- BFD_ASSERT (s != NULL);
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
- s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
- }
- }
- else
- {
- /* We may have created entries in the .rela.got section.
- However, if we are not creating the dynamic sections, we will
- not actually use these entries. Reset the size of .rela.got,
- which will cause it to get stripped from the output file
- below. */
- s = bfd_get_section_by_name (dynobj, ".rela.got");
- if (s != NULL)
- s->_raw_size = 0;
- }
-
- /* The check_relocs and adjust_dynamic_symbol entry points have
- determined the sizes of the various dynamic sections. Allocate
- memory for them. */
- relplt = FALSE;
- for (s = dynobj->sections; s != NULL; s = s->next)
- {
- const char *name;
- bfd_boolean strip;
-
- if ((s->flags & SEC_LINKER_CREATED) == 0)
- continue;
-
- /* It's OK to base decisions on the section name, because none
- of the dynobj section names depend upon the input files. */
- name = bfd_get_section_name (dynobj, s);
-
- strip = FALSE;
-
- if (strncmp (name, ".rela", 5) == 0)
- {
- if (s->_raw_size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is to handle .rela.bss and
- .rel.plt. We must create it in
- create_dynamic_sections, because it 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. */
- strip = TRUE;
- }
- else
- {
- if (strcmp (name, ".rela.plt") == 0)
- relplt = 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 if (strcmp (name, ".plt") != 0
- && strncmp (name, ".got", 4) != 0)
- {
- /* It's not one of our sections, so don't allocate space. */
- continue;
- }
-
- if (strip)
- {
- _bfd_strip_section_from_output (info, s);
- continue;
- }
-
- /* Allocate memory for the section contents. Zero the memory
- for the benefit of .rela.plt, which has 4 unused entries
- at the beginning, and we don't want garbage. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
- if (s->contents == NULL && s->_raw_size != 0)
- return FALSE;
- }
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- /* Add some entries to the .dynamic section. We fill in the
- values later, in sparc64_elf_finish_dynamic_sections, but we
- must add the entries now so that we get the correct size for
- the .dynamic section. The DT_DEBUG entry is filled in by the
- dynamic linker and used by the debugger. */
-#define add_dynamic_entry(TAG, VAL) \
- _bfd_elf_add_dynamic_entry (info, TAG, VAL)
-
- int reg;
- struct sparc64_elf_app_reg * app_regs;
- struct elf_strtab_hash *dynstr;
- struct elf_link_hash_table *eht = elf_hash_table (info);
-
- if (info->executable)
- {
- if (!add_dynamic_entry (DT_DEBUG, 0))
- return FALSE;
- }
-
- if (relplt)
- {
- 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 (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
- return FALSE;
-
- if (info->flags & DF_TEXTREL)
- {
- if (!add_dynamic_entry (DT_TEXTREL, 0))
- return FALSE;
- }
-
- /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
- entries if needed. */
- app_regs = sparc64_elf_hash_table (info)->app_regs;
- dynstr = eht->dynstr;
-
- for (reg = 0; reg < 4; reg++)
- if (app_regs [reg].name != NULL)
- {
- struct elf_link_local_dynamic_entry *entry, *e;
-
- if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
- return FALSE;
-
- entry = (struct elf_link_local_dynamic_entry *)
- bfd_hash_allocate (&info->hash->table, sizeof (*entry));
- if (entry == NULL)
- return FALSE;
-
- /* We cheat here a little bit: the symbol will not be local, so we
- put it at the end of the dynlocal linked list. We will fix it
- later on, as we have to fix other fields anyway. */
- entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
- entry->isym.st_size = 0;
- if (*app_regs [reg].name != '\0')
- entry->isym.st_name
- = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
- else
- entry->isym.st_name = 0;
- entry->isym.st_other = 0;
- entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
- STT_REGISTER);
- entry->isym.st_shndx = app_regs [reg].shndx;
- entry->next = NULL;
- entry->input_bfd = output_bfd;
- entry->input_indx = -1;
-
- if (eht->dynlocal == NULL)
- eht->dynlocal = entry;
- else
- {
- for (e = eht->dynlocal; e->next; e = e->next)
- ;
- e->next = entry;
- }
- eht->dynsymcount++;
- }
- }
-#undef add_dynamic_entry
-
- return TRUE;
-}
-\f
-static bfd_boolean
-sparc64_elf_new_section_hook (abfd, sec)
- bfd *abfd;
- asection *sec;
-{
- struct sparc64_elf_section_data *sdata;
- bfd_size_type amt = sizeof (*sdata);
-
- sdata = (struct sparc64_elf_section_data *) bfd_zalloc (abfd, amt);
- if (sdata == NULL)
- return FALSE;
- sec->used_by_bfd = (PTR) sdata;
-
- return _bfd_elf_new_section_hook (abfd, sec);
-}
-
-static bfd_boolean
-sparc64_elf_relax_section (abfd, section, link_info, again)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *section ATTRIBUTE_UNUSED;
- struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
- bfd_boolean *again;
-{
- *again = FALSE;
- sec_do_relax (section) = 1;
- return TRUE;
-}
-\f
-/* Relocate a SPARC64 ELF section. */
-
-static bfd_boolean
-sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd;
- 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;
-{
- bfd *dynobj;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_vma *local_got_offsets;
- bfd_vma got_base;
- asection *sgot;
- asection *splt;
- asection *sreloc;
- Elf_Internal_Rela *rel;
- Elf_Internal_Rela *relend;
-
- if (info->relocatable)
- return TRUE;
-
- dynobj = elf_hash_table (info)->dynobj;
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
- local_got_offsets = elf_local_got_offsets (input_bfd);
-
- if (elf_hash_table(info)->hgot == NULL)
- got_base = 0;
- else
- got_base = elf_hash_table (info)->hgot->root.u.def.value;
-
- sgot = splt = sreloc = NULL;
- if (dynobj != NULL)
- splt = bfd_get_section_by_name (dynobj, ".plt");
-
- rel = relocs;
- relend = relocs + NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
- for (; rel < relend; rel++)
- {
- int r_type;
- reloc_howto_type *howto;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
- asection *sec;
- bfd_vma relocation, off;
- bfd_reloc_status_type r;
- bfd_boolean is_plt = FALSE;
- bfd_boolean unresolved_reloc;
-
- r_type = ELF64_R_TYPE_ID (rel->r_info);
- if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- howto = sparc64_elf_howto_table + r_type;
-
- /* This is a final link. */
- r_symndx = ELF64_R_SYM (rel->r_info);
- h = NULL;
- sym = NULL;
- sec = NULL;
- unresolved_reloc = FALSE;
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
- }
- else
- {
- bfd_boolean warned;
-
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, warned);
- if (warned)
- {
- /* To avoid generating warning messages about truncated
- relocations, set the relocation's address to be the same as
- the start of this section. */
- if (input_section->output_section != NULL)
- relocation = input_section->output_section->vma;
- else
- relocation = 0;
- }
- }
-
- do_dynreloc:
- /* When generating a shared object, these relocations are copied
- into the output file to be resolved at run time. */
- if (info->shared && r_symndx != 0 && (input_section->flags & SEC_ALLOC))
- {
- switch (r_type)
- {
- case R_SPARC_PC10:
- case R_SPARC_PC22:
- case R_SPARC_PC_HH22:
- case R_SPARC_PC_HM10:
- case R_SPARC_PC_LM22:
- if (h != NULL
- && !strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_"))
- break;
- /* Fall through. */
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- case R_SPARC_WDISP30:
- case R_SPARC_WDISP22:
- case R_SPARC_WDISP19:
- case R_SPARC_WDISP16:
- if (h == NULL)
- break;
- /* Fall through. */
- case R_SPARC_8:
- case R_SPARC_16:
- case R_SPARC_32:
- case R_SPARC_HI22:
- case R_SPARC_22:
- case R_SPARC_13:
- case R_SPARC_LO10:
- case R_SPARC_UA32:
- case R_SPARC_10:
- case R_SPARC_11:
- case R_SPARC_64:
- case R_SPARC_OLO10:
- case R_SPARC_HH22:
- case R_SPARC_HM10:
- case R_SPARC_LM22:
- case R_SPARC_7:
- case R_SPARC_5:
- case R_SPARC_6:
- case R_SPARC_HIX22:
- case R_SPARC_LOX10:
- case R_SPARC_H44:
- case R_SPARC_M44:
- case R_SPARC_L44:
- case R_SPARC_UA64:
- case R_SPARC_UA16:
- {
- Elf_Internal_Rela outrel;
- bfd_byte *loc;
- bfd_boolean skip, relocate;
-
- if (sreloc == NULL)
- {
- const char *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);
-
- /* Optimize unaligned reloc usage now that we know where
- it finally resides. */
- switch (r_type)
- {
- case R_SPARC_16:
- if (outrel.r_offset & 1) r_type = R_SPARC_UA16;
- break;
- case R_SPARC_UA16:
- if (!(outrel.r_offset & 1)) r_type = R_SPARC_16;
- break;
- case R_SPARC_32:
- if (outrel.r_offset & 3) r_type = R_SPARC_UA32;
- break;
- case R_SPARC_UA32:
- if (!(outrel.r_offset & 3)) r_type = R_SPARC_32;
- break;
- case R_SPARC_64:
- if (outrel.r_offset & 7) r_type = R_SPARC_UA64;
- break;
- case R_SPARC_UA64:
- if (!(outrel.r_offset & 7)) r_type = R_SPARC_64;
- break;
- case R_SPARC_DISP8:
- case R_SPARC_DISP16:
- case R_SPARC_DISP32:
- case R_SPARC_DISP64:
- /* If the symbol is not dynamic, we should not keep
- a dynamic relocation. But an .rela.* slot has been
- allocated for it, output R_SPARC_NONE.
- FIXME: Add code tracking needed dynamic relocs as
- e.g. i386 has. */
- if (h->dynindx == -1)
- skip = TRUE, relocate = TRUE;
- break;
- }
-
- /* FIXME: Dynamic reloc handling really needs to be rewritten. */
- if (!skip
- && h != NULL
- && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
- && h->root.type == bfd_link_hash_undefweak)
- skip = TRUE, relocate = TRUE;
-
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- /* h->dynindx may be -1 if the symbol was marked to
- become local. */
- else if (h != NULL && ! is_plt
- && ((! info->symbolic && h->dynindx != -1)
- || (h->elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
- {
- BFD_ASSERT (h->dynindx != -1);
- outrel.r_info
- = ELF64_R_INFO (h->dynindx,
- ELF64_R_TYPE_INFO (
- ELF64_R_TYPE_DATA (rel->r_info),
- r_type));
- outrel.r_addend = rel->r_addend;
- }
- else
- {
- outrel.r_addend = relocation + rel->r_addend;
- if (r_type == R_SPARC_64)
- outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE);
- else
- {
- long indx;
-
- if (is_plt)
- sec = splt;
-
- if (bfd_is_abs_section (sec))
- indx = 0;
- else if (sec == NULL || sec->owner == NULL)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- else
- {
- asection *osec;
-
- osec = sec->output_section;
- indx = elf_section_data (osec)->dynindx;
-
- /* We are turning this relocation into one
- against a section symbol, so subtract out
- the output section's address but not the
- offset of the input section in the output
- section. */
- outrel.r_addend -= osec->vma;
-
- /* FIXME: we really should be able to link non-pic
- shared libraries. */
- if (indx == 0)
- {
- BFD_FAIL ();
- (*_bfd_error_handler)
- (_("%s: probably compiled without -fPIC?"),
- bfd_archive_filename (input_bfd));
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- }
-
- outrel.r_info
- = ELF64_R_INFO (indx,
- ELF64_R_TYPE_INFO (
- ELF64_R_TYPE_DATA (rel->r_info),
- r_type));
- }
- }
-
- loc = sreloc->contents;
- loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
-
- /* This reloc will be computed at runtime, so there's no
- need to do anything now. */
- if (! relocate)
- continue;
- }
- break;
- }
- }
-
- switch (r_type)
- {
- case R_SPARC_GOT10:
- case R_SPARC_GOT13:
- case R_SPARC_GOT22:
- /* Relocation is to the entry for this symbol in the global
- offset table. */
- if (sgot == NULL)
- {
- sgot = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- }
-
- if (h != NULL)
- {
- bfd_boolean dyn;
-
- off = h->got.offset;
- BFD_ASSERT (off != (bfd_vma) -1);
- dyn = elf_hash_table (info)->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 8, 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_64 (output_bfd, relocation,
- sgot->contents + off);
- h->got.offset |= 1;
- }
- }
- else
- unresolved_reloc = FALSE;
- }
- else
- {
- BFD_ASSERT (local_got_offsets != NULL);
- off = local_got_offsets[r_symndx];
- BFD_ASSERT (off != (bfd_vma) -1);
-
- /* The offset must always be a multiple of 8. We use
- the least significant bit to record whether we have
- already processed this entry. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- local_got_offsets[r_symndx] |= 1;
-
- if (info->shared)
- {
- asection *s;
- Elf_Internal_Rela outrel;
- bfd_byte *loc;
-
- /* The Solaris 2.7 64-bit linker adds the contents
- of the location to the value of the reloc.
- Note this is different behaviour to the
- 32-bit linker, which both adds the contents
- and ignores the addend. So clear the location. */
- bfd_put_64 (output_bfd, (bfd_vma) 0,
- sgot->contents + off);
-
- /* We need to generate a R_SPARC_RELATIVE reloc
- for the dynamic linker. */
- s = bfd_get_section_by_name(dynobj, ".rela.got");
- BFD_ASSERT (s != NULL);
-
- outrel.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + off);
- outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE);
- outrel.r_addend = relocation;
- loc = s->contents;
- loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
- }
- else
- bfd_put_64 (output_bfd, relocation, sgot->contents + off);
- }
- }
- relocation = sgot->output_offset + off - got_base;
- goto do_default;
-
- case R_SPARC_WPLT30:
- case R_SPARC_PLT32:
- case R_SPARC_HIPLT22:
- case R_SPARC_LOPLT10:
- case R_SPARC_PCPLT32:
- case R_SPARC_PCPLT22:
- case R_SPARC_PCPLT10:
- case R_SPARC_PLT64:
- /* Relocation is to the entry for this symbol in the
- procedure linkage table. */
- BFD_ASSERT (h != NULL);
-
- if (h->plt.offset == (bfd_vma) -1 || splt == NULL)
- {
- /* We didn't make a PLT entry for this symbol. This
- happens when statically linking PIC code, or when
- using -Bsymbolic. */
- goto do_default;
- }
-
- relocation = (splt->output_section->vma
- + splt->output_offset
- + sparc64_elf_plt_entry_offset (h->plt.offset));
- unresolved_reloc = FALSE;
- if (r_type == R_SPARC_WPLT30)
- goto do_wplt30;
- if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
- {
- r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
- is_plt = TRUE;
- goto do_dynreloc;
- }
- goto do_default;
-
- case R_SPARC_OLO10:
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize, howto->rightshift,
- bfd_arch_bits_per_address (input_bfd),
- relocation);
- }
- break;
-
- case R_SPARC_WDISP16:
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- /* Adjust for pc-relative-ness. */
- relocation -= (input_section->output_section->vma
- + input_section->output_offset);
- relocation -= rel->r_offset;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x &= ~(bfd_vma) 0x303fff;
- x |= ((((relocation >> 2) & 0xc000) << 6)
- | ((relocation >> 2) & 0x3fff));
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize, howto->rightshift,
- bfd_arch_bits_per_address (input_bfd),
- relocation);
- }
- break;
-
- case R_SPARC_HIX22:
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation = relocation ^ MINUS_ONE;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_check_overflow (howto->complain_on_overflow,
- howto->bitsize, howto->rightshift,
- bfd_arch_bits_per_address (input_bfd),
- relocation);
- }
- break;
-
- case R_SPARC_LOX10:
- {
- bfd_vma x;
-
- relocation += rel->r_addend;
- relocation = (relocation & 0x3ff) | 0x1c00;
-
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- x = (x & ~(bfd_vma) 0x1fff) | relocation;
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
-
- r = bfd_reloc_ok;
- }
- break;
-
- case R_SPARC_WDISP30:
- do_wplt30:
- if (sec_do_relax (input_section)
- && rel->r_offset + 4 < input_section->_raw_size)
- {
-#define G0 0
-#define O7 15
-#define XCC (2 << 20)
-#define COND(x) (((x)&0xf)<<25)
-#define CONDA COND(0x8)
-#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
-#define INSN_BA (F2(0,2) | CONDA)
-#define INSN_OR F3(2, 0x2, 0)
-#define INSN_NOP F2(0,4)
-
- bfd_vma x, y;
-
- /* If the instruction is a call with either:
- restore
- arithmetic instruction with rd == %o7
- where rs1 != %o7 and rs2 if it is register != %o7
- then we can optimize if the call destination is near
- by changing the call into a branch always. */
- x = bfd_get_32 (input_bfd, contents + rel->r_offset);
- y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
- if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
- {
- if (((y & OP3(~0)) == OP3(0x3d) /* restore */
- || ((y & OP3(0x28)) == 0 /* arithmetic */
- && (y & RD(~0)) == RD(O7)))
- && (y & RS1(~0)) != RS1(O7)
- && ((y & F3I(~0))
- || (y & RS2(~0)) != RS2(O7)))
- {
- bfd_vma reloc;
-
- reloc = relocation + rel->r_addend - rel->r_offset;
- reloc -= (input_section->output_section->vma
- + input_section->output_offset);
- if (reloc & 3)
- goto do_default;
-
- /* Ensure the branch fits into simm22. */
- if ((reloc & ~(bfd_vma)0x7fffff)
- && ((reloc | 0x7fffff) != MINUS_ONE))
- goto do_default;
- reloc >>= 2;
-
- /* Check whether it fits into simm19. */
- if ((reloc & 0x3c0000) == 0
- || (reloc & 0x3c0000) == 0x3c0000)
- x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
- else
- x = INSN_BA | (reloc & 0x3fffff); /* ba */
- bfd_put_32 (input_bfd, x, contents + rel->r_offset);
- r = bfd_reloc_ok;
- if (rel->r_offset >= 4
- && (y & (0xffffffff ^ RS1(~0)))
- == (INSN_OR | RD(O7) | RS2(G0)))
- {
- bfd_vma z;
- unsigned int reg;
-
- z = bfd_get_32 (input_bfd,
- contents + rel->r_offset - 4);
- if ((z & (0xffffffff ^ RD(~0)))
- != (INSN_OR | RS1(O7) | RS2(G0)))
- break;
-
- /* The sequence was
- or %o7, %g0, %rN
- call foo
- or %rN, %g0, %o7
-
- If call foo was replaced with ba, replace
- or %rN, %g0, %o7 with nop. */
-
- reg = (y & RS1(~0)) >> 14;
- if (reg != ((z & RD(~0)) >> 25)
- || reg == G0 || reg == O7)
- break;
-
- bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
- contents + rel->r_offset + 4);
- }
- break;
- }
- }
- }
- /* Fall through. */
-
- default:
- do_default:
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
- break;
- }
-
- /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
- because such sections are not SEC_ALLOC and thus ld.so will
- not process them. */
- if (unresolved_reloc
- && !((input_section->flags & SEC_DEBUGGING) != 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
- (long) rel->r_offset,
- h->root.root.string);
-
- switch (r)
- {
- case bfd_reloc_ok:
- break;
-
- default:
- case bfd_reloc_outofrange:
- abort ();
-
- case bfd_reloc_overflow:
- {
- const char *name;
-
- /* The Solaris native linker silently disregards
- overflows. We don't, but this breaks stabs debugging
- info, whose relocations are only 32-bits wide. Ignore
- overflows for discarded entries. */
- if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32)
- && _bfd_elf_section_offset (output_bfd, info, input_section,
- rel->r_offset) == (bfd_vma) -1)
- break;
-
- if (h != NULL)
- {
- if (h->root.type == bfd_link_hash_undefweak
- && howto->pc_relative)
- {
- /* Assume this is a call protected by other code that
- detect the symbol is undefined. If this is the case,
- we can safely ignore the overflow. If not, the
- program is hosed anyway, and a little warning isn't
- going to help. */
- break;
- }
-
- name = h->root.root.string;
- }
- else
- {
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name));
- if (name == NULL)
- return FALSE;
- if (*name == '\0')
- name = bfd_section_name (input_bfd, sec);
- }
- if (! ((*info->callbacks->reloc_overflow)
- (info, name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return FALSE;
- }
- break;
- }
- }
-
- return TRUE;
-}
-
-/* Finish up dynamic symbol handling. We set the contents of various
- dynamic sections here. */
-
-static bfd_boolean
-sparc64_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;
-{
- bfd *dynobj;
-
- dynobj = elf_hash_table (info)->dynobj;
-
- if (h->plt.offset != (bfd_vma) -1)
- {
- asection *splt;
- asection *srela;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-
- /* This symbol has an entry in the PLT. Set it up. */
-
- BFD_ASSERT (h->dynindx != -1);
-
- splt = bfd_get_section_by_name (dynobj, ".plt");
- srela = bfd_get_section_by_name (dynobj, ".rela.plt");
- BFD_ASSERT (splt != NULL && srela != NULL);
-
- /* Fill in the entry in the .rela.plt section. */
-
- if (h->plt.offset < LARGE_PLT_THRESHOLD)
- {
- rela.r_offset = sparc64_elf_plt_entry_offset (h->plt.offset);
- rela.r_addend = 0;
- }
- else
- {
- bfd_vma max = splt->_raw_size / PLT_ENTRY_SIZE;
- rela.r_offset = sparc64_elf_plt_ptr_offset (h->plt.offset, max);
- rela.r_addend = -(sparc64_elf_plt_entry_offset (h->plt.offset) + 4)
- -(splt->output_section->vma + splt->output_offset);
- }
- rela.r_offset += (splt->output_section->vma + splt->output_offset);
- rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
-
- /* Adjust for the first 4 reserved elements in the .plt section
- when setting the offset in the .rela.plt section.
- Sun forgot to read their own ABI and copied elf32-sparc behaviour,
- thus .plt[4] has corresponding .rela.plt[0] and so on. */
-
- loc = srela->contents;
- loc += (h->plt.offset - 4) * sizeof (Elf64_External_Rela);
- bfd_elf64_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 the symbol is weak, we do need to clear the value.
- Otherwise, the PLT entry would provide a definition for
- the symbol even if the symbol wasn't defined anywhere,
- and so the symbol would never be NULL. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
- == 0)
- sym->st_value = 0;
- }
- }
-
- if (h->got.offset != (bfd_vma) -1)
- {
- asection *sgot;
- asection *srela;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-
- /* This symbol has an entry in the GOT. Set it up. */
-
- sgot = bfd_get_section_by_name (dynobj, ".got");
- srela = bfd_get_section_by_name (dynobj, ".rela.got");
- BFD_ASSERT (sgot != NULL && srela != NULL);
-
- rela.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + (h->got.offset &~ (bfd_vma) 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_HASH_DEF_REGULAR))
- {
- asection *sec = h->root.u.def.section;
- rela.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE);
- rela.r_addend = (h->root.u.def.value
- + sec->output_section->vma
- + sec->output_offset);
- }
- else
- {
- rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
- rela.r_addend = 0;
- }
-
- bfd_put_64 (output_bfd, (bfd_vma) 0,
- sgot->contents + (h->got.offset &~ (bfd_vma) 1));
- loc = srela->contents;
- loc += srela->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- }
-
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
- {
- asection *s;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-
- /* This symbols needs a copy reloc. Set it up. */
- BFD_ASSERT (h->dynindx != -1);
-
- 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 = ELF64_R_INFO (h->dynindx, R_SPARC_COPY);
- rela.r_addend = 0;
- loc = s->contents + s->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- }
-
- /* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
- || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
- sym->st_shndx = SHN_ABS;
-
- return TRUE;
-}
-
-/* Finish up the dynamic sections. */
-
-static bfd_boolean
-sparc64_elf_finish_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
-{
- bfd *dynobj;
- int stt_regidx = -1;
- asection *sdyn;
- asection *sgot;
-
- dynobj = elf_hash_table (info)->dynobj;
-
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
-
- if (elf_hash_table (info)->dynamic_sections_created)
- {
- asection *splt;
- Elf64_External_Dyn *dyncon, *dynconend;
-
- splt = bfd_get_section_by_name (dynobj, ".plt");
- BFD_ASSERT (splt != NULL && sdyn != NULL);
-
- dyncon = (Elf64_External_Dyn *) sdyn->contents;
- dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
- for (; dyncon < dynconend; dyncon++)
- {
- Elf_Internal_Dyn dyn;
- const char *name;
- bfd_boolean size;
-
- bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
-
- switch (dyn.d_tag)
- {
- case DT_PLTGOT: name = ".plt"; size = FALSE; break;
- case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
- case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
- case DT_SPARC_REGISTER:
- if (stt_regidx == -1)
- {
- stt_regidx =
- _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
- if (stt_regidx == -1)
- return FALSE;
- }
- dyn.d_un.d_val = stt_regidx++;
- bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
- /* fallthrough */
- default: name = NULL; size = FALSE; break;
- }
-
- if (name != NULL)
- {
- asection *s;
-
- s = bfd_get_section_by_name (output_bfd, name);
- if (s == NULL)
- dyn.d_un.d_val = 0;
- else
- {
- if (! size)
- dyn.d_un.d_ptr = s->vma;
- else
- {
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
- }
- }
- bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
- }
- }
-
- /* Initialize the contents of the .plt section. */
- if (splt->_raw_size > 0)
- sparc64_elf_build_plt (output_bfd, splt->contents,
- (int) (splt->_raw_size / PLT_ENTRY_SIZE));
-
- elf_section_data (splt->output_section)->this_hdr.sh_entsize =
- PLT_ENTRY_SIZE;
- }
-
- /* Set the first entry in the global offset table to the address of
- the dynamic section. */
- sgot = bfd_get_section_by_name (dynobj, ".got");
- BFD_ASSERT (sgot != NULL);
- if (sgot->_raw_size > 0)
- {
- if (sdyn == NULL)
- bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents);
- else
- bfd_put_64 (output_bfd,
- sdyn->output_section->vma + sdyn->output_offset,
- sgot->contents);
- }
-
- elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8;
-
- return TRUE;
-}
-
-static enum elf_reloc_type_class
-sparc64_elf_reloc_type_class (rela)
- const Elf_Internal_Rela *rela;
-{
- switch ((int) ELF64_R_TYPE (rela->r_info))
- {
- case R_SPARC_RELATIVE:
- return reloc_class_relative;
- case R_SPARC_JMP_SLOT:
- return reloc_class_plt;
- case R_SPARC_COPY:
- return reloc_class_copy;
- default:
- return reloc_class_normal;
- }
-}
-\f
-/* Functions for dealing with the e_flags field. */
-
-/* Merge backend specific data from an object file to the output
- object file when linking. */
-
-static bfd_boolean
-sparc64_elf_merge_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
-{
- bfd_boolean error;
- flagword new_flags, old_flags;
- int new_mm, old_mm;
-
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
-
- new_flags = elf_elfheader (ibfd)->e_flags;
- old_flags = elf_elfheader (obfd)->e_flags;
-
- if (!elf_flags_init (obfd)) /* First call, no flags set */
- {
- elf_flags_init (obfd) = TRUE;
- elf_elfheader (obfd)->e_flags = new_flags;
- }
-
- else if (new_flags == old_flags) /* Compatible flags are ok */
- ;
-
- else /* Incompatible flags */
- {
- error = FALSE;
-
-#define EF_SPARC_ISA_EXTENSIONS \
- (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1)
+#define EF_SPARC_ISA_EXTENSIONS \
+ (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1)
if ((ibfd->flags & DYNAMIC) != 0)
{
&& (old_flags & EF_SPARC_HAL_R1))
{
error = TRUE;
- (*_bfd_error_handler)
- (_("%s: linking UltraSPARC specific with HAL specific code"),
- bfd_archive_filename (ibfd));
+ _bfd_error_handler
+ (_("%pB: linking UltraSPARC specific with HAL specific code"),
+ ibfd);
}
/* Choose the most restrictive memory ordering. */
old_mm = (old_flags & EF_SPARCV9_MM);
/* Warn about any other mismatches */
if (new_flags != old_flags)
- {
- error = TRUE;
- (*_bfd_error_handler)
- (_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
- bfd_archive_filename (ibfd), (long) new_flags, (long) old_flags);
- }
+ {
+ error = TRUE;
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"),
+ ibfd, new_flags, old_flags);
+ }
elf_elfheader (obfd)->e_flags = old_flags;
if (error)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
}
- return TRUE;
+ return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info);
}
/* MARCO: Set the correct entry size for the .stab section. */
static bfd_boolean
-sparc64_elf_fake_sections (abfd, hdr, sec)
- bfd *abfd ATTRIBUTE_UNUSED;
- Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED;
- asection *sec;
+elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
+ Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED,
+ asection *sec)
{
const char *name;
- name = bfd_get_section_name (abfd, sec);
+ name = bfd_section_name (sec);
if (strcmp (name, ".stab") == 0)
{
/* Print a STT_REGISTER symbol to file FILE. */
static const char *
-sparc64_elf_print_symbol_all (abfd, filep, symbol)
- bfd *abfd ATTRIBUTE_UNUSED;
- PTR filep;
- asymbol *symbol;
+elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep,
+ asymbol *symbol)
{
FILE *file = (FILE *) filep;
int reg, type;
fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "",
((type & BSF_LOCAL)
? (type & BSF_GLOBAL) ? '!' : 'l'
- : (type & BSF_GLOBAL) ? 'g' : ' '),
- (type & BSF_WEAK) ? 'w' : ' ');
+ : (type & BSF_GLOBAL) ? 'g' : ' '),
+ (type & BSF_WEAK) ? 'w' : ' ');
if (symbol->name == NULL || symbol->name [0] == '\0')
return "#scratch";
else
return symbol->name;
}
\f
-/* Set the right machine number for a SPARC64 ELF file. */
+/* Used to decide how to sort relocs in an optimal manner for the
+ dynamic linker, before writing them out. */
-static bfd_boolean
-sparc64_elf_object_p (abfd)
- bfd *abfd;
+static enum elf_reloc_type_class
+elf64_sparc_reloc_type_class (const struct bfd_link_info *info,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
{
- unsigned long mach = bfd_mach_sparc_v9;
-
- if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
- mach = bfd_mach_sparc_v9b;
- else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
- mach = bfd_mach_sparc_v9a;
- return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
-}
-
-/* Return address for Ith PLT stub in section PLT, for relocation REL
- or (bfd_vma) -1 if it should not be included. */
+ bfd *abfd = info->output_bfd;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ struct _bfd_sparc_elf_link_hash_table *htab
+ = _bfd_sparc_elf_hash_table (info);
+ BFD_ASSERT (htab != NULL);
-static bfd_vma
-sparc64_elf_plt_sym_val (bfd_vma i, const asection *plt,
- const arelent *rel)
-{
- bfd_vma j;
+ if (htab->elf.dynsym != NULL
+ && htab->elf.dynsym->contents != NULL)
+ {
+ /* Check relocation against STT_GNU_IFUNC symbol if there are
+ dynamic symbols. */
+ unsigned long r_symndx = htab->r_symndx (rela->r_info);
+ if (r_symndx != STN_UNDEF)
+ {
+ Elf_Internal_Sym sym;
+ if (!bed->s->swap_symbol_in (abfd,
+ (htab->elf.dynsym->contents
+ + r_symndx * bed->s->sizeof_sym),
+ 0, &sym))
+ abort ();
- i += PLT_HEADER_SIZE / PLT_ENTRY_SIZE;
- if (i < LARGE_PLT_THRESHOLD)
- return plt->vma + i * PLT_ENTRY_SIZE;
+ if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
+ return reloc_class_ifunc;
+ }
+ }
- j = (i - LARGE_PLT_THRESHOLD) % 160;
- i -= j;
- return plt->vma + i * PLT_ENTRY_SIZE + j * 4 * 6;
+ switch ((int) ELF64_R_TYPE (rela->r_info))
+ {
+ case R_SPARC_IRELATIVE:
+ return reloc_class_ifunc;
+ case R_SPARC_RELATIVE:
+ return reloc_class_relative;
+ case R_SPARC_JMP_SLOT:
+ return reloc_class_plt;
+ case R_SPARC_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
}
/* Relocations in the 64 bit SPARC ELF ABI are more complex than in
ELF64_R_TYPE_DATA field. This structure is used to redirect the
relocation handling routines. */
-const struct elf_size_info sparc64_elf_size_info =
+const struct elf_size_info elf64_sparc_size_info =
{
sizeof (Elf64_External_Ehdr),
sizeof (Elf64_External_Phdr),
EV_CURRENT,
bfd_elf64_write_out_phdrs,
bfd_elf64_write_shdrs_and_ehdr,
- sparc64_elf_write_relocs,
+ bfd_elf64_checksum_contents,
+ elf64_sparc_write_relocs,
bfd_elf64_swap_symbol_in,
bfd_elf64_swap_symbol_out,
- sparc64_elf_slurp_reloc_table,
+ elf64_sparc_slurp_reloc_table,
bfd_elf64_slurp_symbol_table,
bfd_elf64_swap_dyn_in,
bfd_elf64_swap_dyn_out,
bfd_elf64_swap_reloca_out
};
-#define TARGET_BIG_SYM bfd_elf64_sparc_vec
+#define TARGET_BIG_SYM sparc_elf64_vec
#define TARGET_BIG_NAME "elf64-sparc"
#define ELF_ARCH bfd_arch_sparc
#define ELF_MAXPAGESIZE 0x100000
+#define ELF_COMMONPAGESIZE 0x2000
/* This is the official ABI value. */
#define ELF_MACHINE_CODE EM_SPARCV9
/* This is the value that we used before the ABI was released. */
#define ELF_MACHINE_ALT1 EM_OLD_SPARCV9
-#define bfd_elf64_bfd_link_hash_table_create \
- sparc64_elf_bfd_link_hash_table_create
-
-#define elf_info_to_howto \
- sparc64_elf_info_to_howto
+#define elf_backend_reloc_type_class \
+ elf64_sparc_reloc_type_class
#define bfd_elf64_get_reloc_upper_bound \
- sparc64_elf_get_reloc_upper_bound
+ elf64_sparc_get_reloc_upper_bound
#define bfd_elf64_get_dynamic_reloc_upper_bound \
- sparc64_elf_get_dynamic_reloc_upper_bound
+ elf64_sparc_get_dynamic_reloc_upper_bound
#define bfd_elf64_canonicalize_reloc \
- sparc64_elf_canonicalize_reloc
+ elf64_sparc_canonicalize_reloc
#define bfd_elf64_canonicalize_dynamic_reloc \
- sparc64_elf_canonicalize_dynamic_reloc
+ elf64_sparc_canonicalize_dynamic_reloc
+#define bfd_elf64_set_reloc \
+ elf64_sparc_set_reloc
+#define elf_backend_add_symbol_hook \
+ elf64_sparc_add_symbol_hook
+#define elf_backend_get_symbol_type \
+ elf64_sparc_get_symbol_type
+#define elf_backend_symbol_processing \
+ elf64_sparc_symbol_processing
+#define elf_backend_print_symbol_all \
+ elf64_sparc_print_symbol_all
+#define elf_backend_output_arch_syms \
+ elf64_sparc_output_arch_syms
+#define bfd_elf64_bfd_merge_private_bfd_data \
+ elf64_sparc_merge_private_bfd_data
+#define elf_backend_fake_sections \
+ elf64_sparc_fake_sections
+#define elf_backend_size_info \
+ elf64_sparc_size_info
+
+#define elf_backend_plt_sym_val \
+ _bfd_sparc_elf_plt_sym_val
+#define bfd_elf64_bfd_link_hash_table_create \
+ _bfd_sparc_elf_link_hash_table_create
+#define elf_info_to_howto \
+ _bfd_sparc_elf_info_to_howto
+#define elf_backend_copy_indirect_symbol \
+ _bfd_sparc_elf_copy_indirect_symbol
#define bfd_elf64_bfd_reloc_type_lookup \
- sparc64_elf_reloc_type_lookup
+ _bfd_sparc_elf_reloc_type_lookup
+#define bfd_elf64_bfd_reloc_name_lookup \
+ _bfd_sparc_elf_reloc_name_lookup
#define bfd_elf64_bfd_relax_section \
- sparc64_elf_relax_section
+ _bfd_sparc_elf_relax_section
#define bfd_elf64_new_section_hook \
- sparc64_elf_new_section_hook
+ _bfd_sparc_elf_new_section_hook
#define elf_backend_create_dynamic_sections \
- _bfd_elf_create_dynamic_sections
-#define elf_backend_add_symbol_hook \
- sparc64_elf_add_symbol_hook
-#define elf_backend_get_symbol_type \
- sparc64_elf_get_symbol_type
-#define elf_backend_symbol_processing \
- sparc64_elf_symbol_processing
+ _bfd_sparc_elf_create_dynamic_sections
+#define elf_backend_relocs_compatible \
+ _bfd_elf_relocs_compatible
#define elf_backend_check_relocs \
- sparc64_elf_check_relocs
+ _bfd_sparc_elf_check_relocs
#define elf_backend_adjust_dynamic_symbol \
- sparc64_elf_adjust_dynamic_symbol
+ _bfd_sparc_elf_adjust_dynamic_symbol
+#define elf_backend_omit_section_dynsym \
+ _bfd_sparc_elf_omit_section_dynsym
#define elf_backend_size_dynamic_sections \
- sparc64_elf_size_dynamic_sections
+ _bfd_sparc_elf_size_dynamic_sections
#define elf_backend_relocate_section \
- sparc64_elf_relocate_section
+ _bfd_sparc_elf_relocate_section
#define elf_backend_finish_dynamic_symbol \
- sparc64_elf_finish_dynamic_symbol
+ _bfd_sparc_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \
- sparc64_elf_finish_dynamic_sections
-#define elf_backend_print_symbol_all \
- sparc64_elf_print_symbol_all
-#define elf_backend_output_arch_syms \
- sparc64_elf_output_arch_syms
-#define bfd_elf64_bfd_merge_private_bfd_data \
- sparc64_elf_merge_private_bfd_data
-#define elf_backend_fake_sections \
- sparc64_elf_fake_sections
-#define elf_backend_plt_sym_val \
- sparc64_elf_plt_sym_val
+ _bfd_sparc_elf_finish_dynamic_sections
+#define elf_backend_fixup_symbol \
+ _bfd_sparc_elf_fixup_symbol
-#define elf_backend_size_info \
- sparc64_elf_size_info
+#define bfd_elf64_mkobject \
+ _bfd_sparc_elf_mkobject
#define elf_backend_object_p \
- sparc64_elf_object_p
-#define elf_backend_reloc_type_class \
- sparc64_elf_reloc_type_class
-
+ _bfd_sparc_elf_object_p
+#define elf_backend_gc_mark_hook \
+ _bfd_sparc_elf_gc_mark_hook
+#define elf_backend_init_index_section \
+ _bfd_elf_init_1_index_section
+
+#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
#define elf_backend_want_got_plt 0
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 1
+#define elf_backend_got_header_size 8
+#define elf_backend_want_dynrelro 1
#define elf_backend_rela_normal 1
/* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */
#define elf_backend_plt_alignment 8
-#define elf_backend_got_header_size 8
+#include "elf64-target.h"
+
+/* FreeBSD support */
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM sparc_elf64_fbsd_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf64-sparc-freebsd"
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_FREEBSD
+
+#undef elf64_bed
+#define elf64_bed elf64_sparc_fbsd_bed
+
+#include "elf64-target.h"
+
+/* Solaris 2. */
+
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM sparc_elf64_sol2_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf64-sparc-sol2"
+
+/* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE
+ objects won't be recognized. */
+#undef ELF_OSABI
+
+#undef elf64_bed
+#define elf64_bed elf64_sparc_sol2_bed
+
+/* The 64-bit static TLS arena size is rounded to the nearest 16-byte
+ boundary. */
+#undef elf_backend_static_tls_alignment
+#define elf_backend_static_tls_alignment 16
#include "elf64-target.h"
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