diff options
Diffstat (limited to 'binutils-2.17/bfd/elfxx-sparc.c')
| -rw-r--r-- | binutils-2.17/bfd/elfxx-sparc.c | 4165 |
1 files changed, 0 insertions, 4165 deletions
diff --git a/binutils-2.17/bfd/elfxx-sparc.c b/binutils-2.17/bfd/elfxx-sparc.c deleted file mode 100644 index ef7ff482..00000000 --- a/binutils-2.17/bfd/elfxx-sparc.c +++ /dev/null @@ -1,4165 +0,0 @@ -/* SPARC-specific support for ELF - Copyright 2005, 2006 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 - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* This file handles functionality common to the different SPARC ABI's. */ - -#include "bfd.h" -#include "sysdep.h" -#include "bfdlink.h" -#include "libbfd.h" -#include "libiberty.h" -#include "elf-bfd.h" -#include "elf/sparc.h" -#include "opcode/sparc.h" -#include "elfxx-sparc.h" -#include "elf-vxworks.h" - -/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */ -#define MINUS_ONE (~ (bfd_vma) 0) - -#define ABI_64_P(abfd) \ - (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64) - -/* The relocation "howto" table. */ - -/* 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 (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 > bfd_get_section_limit (abfd, input_section)) - 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 (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 (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 (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 (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; -} - -static reloc_howto_type _bfd_sparc_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), - HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE), - 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), - 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) -}; -static reloc_howto_type sparc_vtinherit_howto = - HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE); -static reloc_howto_type sparc_vtentry_howto = - HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE); -static reloc_howto_type sparc_rev32_howto = - HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,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 }, - { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 }, - { 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 }, - { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT }, - { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY }, - { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 }, -}; - -reloc_howto_type * -_bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int i; - - switch (code) - { - case BFD_RELOC_VTABLE_INHERIT: - return &sparc_vtinherit_howto; - - case BFD_RELOC_VTABLE_ENTRY: - return &sparc_vtentry_howto; - - case BFD_RELOC_SPARC_REV32: - return &sparc_rev32_howto; - - default: - for (i = 0; - i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); - i++) - { - if (sparc_reloc_map[i].bfd_reloc_val == code) - return (_bfd_sparc_elf_howto_table - + (int) sparc_reloc_map[i].elf_reloc_val); - } - } - bfd_set_error (bfd_error_bad_value); - return NULL; -} - -reloc_howto_type * -_bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type) -{ - switch (r_type) - { - case R_SPARC_GNU_VTINHERIT: - return &sparc_vtinherit_howto; - - case R_SPARC_GNU_VTENTRY: - return &sparc_vtentry_howto; - - case R_SPARC_REV32: - return &sparc_rev32_howto; - - default: - if (r_type >= (unsigned int) R_SPARC_max_std) - { - (*_bfd_error_handler) (_("invalid relocation type %d"), - (int) r_type); - r_type = R_SPARC_NONE; - } - return &_bfd_sparc_elf_howto_table[r_type]; - } -} - -/* Both 32-bit and 64-bit sparc encode this in an identical manner, - so just take advantage of that. */ -#define SPARC_ELF_R_TYPE(r_info) \ - ((r_info) & 0xff) - -void -_bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, - Elf_Internal_Rela *dst) -{ - unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info); - - cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type); -} - - -/* The nop opcode we use. */ -#define SPARC_NOP 0x01000000 - -#define SPARC_INSN_BYTES 4 - -/* The SPARC linker needs to keep track of the number of relocs that it - decides to copy as dynamic relocs in check_relocs for each symbol. - This is so that it can later discard them if they are found to be - unnecessary. We store the information in a field extending the - regular ELF linker hash table. */ - -struct _bfd_sparc_elf_dyn_relocs -{ - struct _bfd_sparc_elf_dyn_relocs *next; - - /* The input section of the reloc. */ - asection *sec; - - /* Total number of relocs copied for the input section. */ - bfd_size_type count; - - /* Number of pc-relative relocs copied for the input section. */ - bfd_size_type pc_count; -}; - -/* SPARC ELF linker hash entry. */ - -struct _bfd_sparc_elf_link_hash_entry -{ - struct elf_link_hash_entry elf; - - /* Track dynamic relocs copied for this symbol. */ - struct _bfd_sparc_elf_dyn_relocs *dyn_relocs; - -#define GOT_UNKNOWN 0 -#define GOT_NORMAL 1 -#define GOT_TLS_GD 2 -#define GOT_TLS_IE 3 - unsigned char tls_type; -}; - -#define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent)) - -struct _bfd_sparc_elf_obj_tdata -{ - struct elf_obj_tdata root; - - /* tls_type for each local got entry. */ - char *local_got_tls_type; - - /* TRUE if TLS GD relocs has been seen for this object. */ - bfd_boolean has_tlsgd; -}; - -#define _bfd_sparc_elf_tdata(abfd) \ - ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any) - -#define _bfd_sparc_elf_local_got_tls_type(abfd) \ - (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type) - -bfd_boolean -_bfd_sparc_elf_mkobject (bfd *abfd) -{ - bfd_size_type amt = sizeof (struct _bfd_sparc_elf_obj_tdata); - abfd->tdata.any = bfd_zalloc (abfd, amt); - if (abfd->tdata.any == NULL) - return FALSE; - return TRUE; -} - -static void -sparc_put_word_32 (bfd *bfd, bfd_vma val, void *ptr) -{ - bfd_put_32 (bfd, val, ptr); -} - -static void -sparc_put_word_64 (bfd *bfd, bfd_vma val, void *ptr) -{ - bfd_put_64 (bfd, val, ptr); -} - -static void -sparc_elf_append_rela_64 (bfd *abfd ATTRIBUTE_UNUSED, - asection *s ATTRIBUTE_UNUSED, - Elf_Internal_Rela *rel ATTRIBUTE_UNUSED) -{ -#ifdef BFD64 - Elf64_External_Rela *loc64; - - loc64 = (Elf64_External_Rela *) s->contents; - loc64 += s->reloc_count++; - bfd_elf64_swap_reloca_out (abfd, rel, (bfd_byte *) loc64); -#endif -} - -static void -sparc_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel) -{ - Elf32_External_Rela *loc32; - - loc32 = (Elf32_External_Rela *) s->contents; - loc32 += s->reloc_count++; - bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32); -} - -static bfd_vma -sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED, - bfd_vma index ATTRIBUTE_UNUSED, - bfd_vma type ATTRIBUTE_UNUSED) -{ - return ELF64_R_INFO (index, - (in_rel ? - ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info), - type) : type)); -} - -static bfd_vma -sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED, - bfd_vma index, bfd_vma type) -{ - return ELF32_R_INFO (index, type); -} - -static bfd_vma -sparc_elf_r_symndx_64 (bfd_vma r_info) -{ - bfd_vma r_symndx = ELF32_R_SYM (r_info); - return (r_symndx >> 24); -} - -static bfd_vma -sparc_elf_r_symndx_32 (bfd_vma r_info) -{ - return ELF32_R_SYM (r_info); -} - -/* PLT/GOT stuff */ - -#define PLT32_ENTRY_SIZE 12 -#define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE) - -/* The first four entries in a 32-bit procedure linkage table are reserved, - and the initial contents are unimportant (we zero them out). - Subsequent entries look like this. See the SVR4 ABI SPARC - supplement to see how this works. */ - -/* sethi %hi(.-.plt0),%g1. We fill in the address later. */ -#define PLT32_ENTRY_WORD0 0x03000000 -/* b,a .plt0. We fill in the offset later. */ -#define PLT32_ENTRY_WORD1 0x30800000 -/* nop. */ -#define PLT32_ENTRY_WORD2 SPARC_NOP - -static int -sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset, - bfd_vma max ATTRIBUTE_UNUSED, - bfd_vma *r_offset) -{ - bfd_put_32 (output_bfd, - PLT32_ENTRY_WORD0 + offset, - splt->contents + offset); - bfd_put_32 (output_bfd, - (PLT32_ENTRY_WORD1 - + (((- (offset + 4)) >> 2) & 0x3fffff)), - splt->contents + offset + 4); - bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2, - splt->contents + offset + 8); - - *r_offset = offset; - - return offset / PLT32_ENTRY_SIZE - 4; -} - -/* Both the headers and the entries are icache aligned. */ -#define PLT64_ENTRY_SIZE 32 -#define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE) -#define PLT64_LARGE_THRESHOLD 32768 - -static int -sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset, - bfd_vma max, bfd_vma *r_offset) -{ - unsigned char *entry = splt->contents + offset; - const unsigned int nop = SPARC_NOP; - int index; - - if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)) - { - unsigned int sethi, ba; - - *r_offset = offset; - - index = (offset / PLT64_ENTRY_SIZE); - - sethi = 0x03000000 | (index * PLT64_ENTRY_SIZE); - ba = 0x30680000 - | (((splt->contents + PLT64_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); - } - else - { - unsigned char *ptr; - unsigned int ldx; - int block, last_block, ofs, last_ofs, chunks_this_block; - const int insn_chunk_size = (6 * 4); - const int ptr_chunk_size = (1 * 8); - const int entries_per_block = 160; - const int block_size = entries_per_block * (insn_chunk_size - + ptr_chunk_size); - - /* Entries 32768 and higher are grouped into blocks of 160. - The blocks are further subdivided into 160 sequences of - 6 instructions and 160 pointers. If a block does not require - the full 160 entries, let's say it requires N, then there - will be N sequences of 6 instructions and N pointers. */ - - offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE); - max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE); - - block = offset / block_size; - last_block = max / block_size; - if (block != last_block) - { - chunks_this_block = 160; - } - else - { - last_ofs = max % block_size; - chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size); - } - - ofs = offset % block_size; - - index = (PLT64_LARGE_THRESHOLD + - (block * 160) + - (ofs / insn_chunk_size)); - - ptr = splt->contents - + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE) - + (block * block_size) - + (chunks_this_block * insn_chunk_size) - + (ofs / insn_chunk_size) * ptr_chunk_size; - - *r_offset = (bfd_vma) (ptr - splt->contents); - - 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) SPARC_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) (splt->contents - (entry + 4)), ptr); - } - - return index - 4; -} - -/* The format of the first PLT entry in a VxWorks executable. */ -static const bfd_vma sparc_vxworks_exec_plt0_entry[] = - { - 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */ - 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */ - 0xc4008000, /* ld [ %g2 ], %g2 */ - 0x81c08000, /* jmp %g2 */ - 0x01000000 /* nop */ - }; - -/* The format of subsequent PLT entries. */ -static const bfd_vma sparc_vxworks_exec_plt_entry[] = - { - 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */ - 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */ - 0xc2004000, /* ld [ %g1 ], %g1 */ - 0x81c04000, /* jmp %g1 */ - 0x01000000, /* nop */ - 0x03000000, /* sethi %hi(f@pltindex), %g1 */ - 0x10800000, /* b _PLT_resolve */ - 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */ - }; - -/* The format of the first PLT entry in a VxWorks shared object. */ -static const bfd_vma sparc_vxworks_shared_plt0_entry[] = - { - 0xc405e008, /* ld [ %l7 + 8 ], %g2 */ - 0x81c08000, /* jmp %g2 */ - 0x01000000 /* nop */ - }; - -/* The format of subsequent PLT entries. */ -static const bfd_vma sparc_vxworks_shared_plt_entry[] = - { - 0x03000000, /* sethi %hi(f@got), %g1 */ - 0x82106000, /* or %g1, %lo(f@got), %g1 */ - 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */ - 0x81c04000, /* jmp %g1 */ - 0x01000000, /* nop */ - 0x03000000, /* sethi %hi(f@pltindex), %g1 */ - 0x10800000, /* b _PLT_resolve */ - 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */ - }; - -#define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \ - htab->put_word(bfd, val, ptr) - -#define SPARC_ELF_APPEND_RELA(htab, bfd, sec, rela) \ - htab->append_rela(bfd, sec, rela) - -#define SPARC_ELF_R_INFO(htab, in_rel, index, type) \ - htab->r_info(in_rel, index, type) - -#define SPARC_ELF_R_SYMNDX(htab, r_info) \ - htab->r_symndx(r_info) - -#define SPARC_ELF_WORD_BYTES(htab) \ - htab->bytes_per_word - -#define SPARC_ELF_RELA_BYTES(htab) \ - htab->bytes_per_rela - -#define SPARC_ELF_DTPOFF_RELOC(htab) \ - htab->dtpoff_reloc - -#define SPARC_ELF_DTPMOD_RELOC(htab) \ - htab->dtpmod_reloc - -#define SPARC_ELF_TPOFF_RELOC(htab) \ - htab->tpoff_reloc - -#define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \ - htab->build_plt_entry (obfd, splt, off, max, r_off) - -/* Create an entry in an SPARC ELF linker hash table. */ - -static struct bfd_hash_entry * -link_hash_newfunc (struct bfd_hash_entry *entry, - struct bfd_hash_table *table, const char *string) -{ - /* Allocate the structure if it has not already been allocated by a - subclass. */ - if (entry == NULL) - { - entry = bfd_hash_allocate (table, - sizeof (struct _bfd_sparc_elf_link_hash_entry)); - if (entry == NULL) - return entry; - } - - /* Call the allocation method of the superclass. */ - entry = _bfd_elf_link_hash_newfunc (entry, table, string); - if (entry != NULL) - { - struct _bfd_sparc_elf_link_hash_entry *eh; - - eh = (struct _bfd_sparc_elf_link_hash_entry *) entry; - eh->dyn_relocs = NULL; - eh->tls_type = GOT_UNKNOWN; - } - - return entry; -} - -/* The name of the dynamic interpreter. This is put in the .interp - section. */ - -#define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" -#define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1" - -/* Create a SPARC ELF linker hash table. */ - -struct bfd_link_hash_table * -_bfd_sparc_elf_link_hash_table_create (bfd *abfd) -{ - struct _bfd_sparc_elf_link_hash_table *ret; - bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table); - - ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt); - if (ret == NULL) - return NULL; - - if (ABI_64_P (abfd)) - { - ret->put_word = sparc_put_word_64; - ret->append_rela = sparc_elf_append_rela_64; - ret->r_info = sparc_elf_r_info_64; - ret->r_symndx = sparc_elf_r_symndx_64; - ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64; - ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64; - ret->tpoff_reloc = R_SPARC_TLS_TPOFF64; - ret->word_align_power = 3; - ret->align_power_max = 4; - ret->bytes_per_word = 8; - ret->bytes_per_rela = sizeof (Elf64_External_Rela); - ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER; - ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER; - } - else - { - ret->put_word = sparc_put_word_32; - ret->append_rela = sparc_elf_append_rela_32; - ret->r_info = sparc_elf_r_info_32; - ret->r_symndx = sparc_elf_r_symndx_32; - ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32; - ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32; - ret->tpoff_reloc = R_SPARC_TLS_TPOFF32; - ret->word_align_power = 2; - ret->align_power_max = 3; - ret->bytes_per_word = 4; - ret->bytes_per_rela = sizeof (Elf32_External_Rela); - ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER; - ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER; - } - - if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, - sizeof (struct _bfd_sparc_elf_link_hash_entry))) - { - free (ret); - return NULL; - } - - return &ret->elf.root; -} - -/* Create .got and .rela.got sections in DYNOBJ, and set up - shortcuts to them in our hash table. */ - -static bfd_boolean -create_got_section (bfd *dynobj, struct bfd_link_info *info) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - - if (! _bfd_elf_create_got_section (dynobj, info)) - return FALSE; - - htab = _bfd_sparc_elf_hash_table (info); - htab->sgot = bfd_get_section_by_name (dynobj, ".got"); - BFD_ASSERT (htab->sgot != NULL); - - htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got", - SEC_ALLOC - | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY - | SEC_LINKER_CREATED - | SEC_READONLY); - if (htab->srelgot == NULL - || ! bfd_set_section_alignment (dynobj, htab->srelgot, - htab->word_align_power)) - return FALSE; - - if (htab->is_vxworks) - { - htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); - if (!htab->sgotplt) - return FALSE; - } - - return TRUE; -} - -/* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and - .rela.bss sections in DYNOBJ, and set up shortcuts to them in our - hash table. */ - -bfd_boolean -_bfd_sparc_elf_create_dynamic_sections (bfd *dynobj, - struct bfd_link_info *info) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - - htab = _bfd_sparc_elf_hash_table (info); - if (!htab->sgot && !create_got_section (dynobj, info)) - return FALSE; - - if (!_bfd_elf_create_dynamic_sections (dynobj, info)) - return FALSE; - - htab->splt = bfd_get_section_by_name (dynobj, ".plt"); - htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt"); - htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); - if (!info->shared) - htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss"); - - if (htab->is_vxworks) - { - if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2)) - return FALSE; - if (info->shared) - { - htab->plt_header_size - = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); - htab->plt_entry_size - = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry); - } - else - { - htab->plt_header_size - = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry); - htab->plt_entry_size - = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry); - } - } - else - { - if (ABI_64_P (dynobj)) - { - htab->build_plt_entry = sparc64_plt_entry_build; - htab->plt_header_size = PLT64_HEADER_SIZE; - htab->plt_entry_size = PLT64_ENTRY_SIZE; - } - else - { - htab->build_plt_entry = sparc32_plt_entry_build; - htab->plt_header_size = PLT32_HEADER_SIZE; - htab->plt_entry_size = PLT32_ENTRY_SIZE; - } - } - - if (!htab->splt || !htab->srelplt || !htab->sdynbss - || (!info->shared && !htab->srelbss)) - abort (); - - return TRUE; -} - -/* Copy the extra info we tack onto an elf_link_hash_entry. */ - -void -_bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info, - struct elf_link_hash_entry *dir, - struct elf_link_hash_entry *ind) -{ - struct _bfd_sparc_elf_link_hash_entry *edir, *eind; - - edir = (struct _bfd_sparc_elf_link_hash_entry *) dir; - eind = (struct _bfd_sparc_elf_link_hash_entry *) ind; - - if (eind->dyn_relocs != NULL) - { - if (edir->dyn_relocs != NULL) - { - struct _bfd_sparc_elf_dyn_relocs **pp; - struct _bfd_sparc_elf_dyn_relocs *p; - - /* Add reloc counts against the indirect sym to the direct sym - list. Merge any entries against the same section. */ - for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) - { - struct _bfd_sparc_elf_dyn_relocs *q; - - for (q = edir->dyn_relocs; q != NULL; q = q->next) - if (q->sec == p->sec) - { - q->pc_count += p->pc_count; - q->count += p->count; - *pp = p->next; - break; - } - if (q == NULL) - pp = &p->next; - } - *pp = edir->dyn_relocs; - } - - edir->dyn_relocs = eind->dyn_relocs; - eind->dyn_relocs = NULL; - } - - if (ind->root.type == bfd_link_hash_indirect - && dir->got.refcount <= 0) - { - edir->tls_type = eind->tls_type; - eind->tls_type = GOT_UNKNOWN; - } - _bfd_elf_link_hash_copy_indirect (info, dir, ind); -} - -static int -sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd, - int r_type, int is_local) -{ - if (! ABI_64_P (abfd) - && r_type == R_SPARC_TLS_GD_HI22 - && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd) - r_type = R_SPARC_REV32; - - if (info->shared) - return r_type; - - switch (r_type) - { - case R_SPARC_TLS_GD_HI22: - if (is_local) - return R_SPARC_TLS_LE_HIX22; - return R_SPARC_TLS_IE_HI22; - case R_SPARC_TLS_GD_LO10: - if (is_local) - return R_SPARC_TLS_LE_LOX10; - return R_SPARC_TLS_IE_LO10; - case R_SPARC_TLS_IE_HI22: - if (is_local) - return R_SPARC_TLS_LE_HIX22; - return r_type; - case R_SPARC_TLS_IE_LO10: - if (is_local) - return R_SPARC_TLS_LE_LOX10; - return r_type; - case R_SPARC_TLS_LDM_HI22: - return R_SPARC_TLS_LE_HIX22; - case R_SPARC_TLS_LDM_LO10: - return R_SPARC_TLS_LE_LOX10; - } - - return r_type; -} - -/* Look through the relocs for a section during the first phase, and - allocate space in the global offset table or procedure linkage - table. */ - -bfd_boolean -_bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, - asection *sec, const Elf_Internal_Rela *relocs) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - 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 *sreloc; - int num_relocs; - bfd_boolean checked_tlsgd = FALSE; - - if (info->relocatable) - return TRUE; - - htab = _bfd_sparc_elf_hash_table (info); - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_offsets = elf_local_got_offsets (abfd); - - sreloc = NULL; - - if (ABI_64_P (abfd)) - num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr); - else - num_relocs = sec->reloc_count; - rel_end = relocs + num_relocs; - for (rel = relocs; rel < rel_end; rel++) - { - unsigned int r_type; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - - r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info); - r_type = SPARC_ELF_R_TYPE (rel->r_info); - - if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) - { - (*_bfd_error_handler) (_("%B: bad symbol index: %d"), - abfd, r_symndx); - return FALSE; - } - - if (r_symndx < symtab_hdr->sh_info) - h = NULL; - else - { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - } - - /* Compatibility with old R_SPARC_REV32 reloc conflicting - with R_SPARC_TLS_GD_HI22. */ - if (! ABI_64_P (abfd) && ! checked_tlsgd) - switch (r_type) - { - case R_SPARC_TLS_GD_HI22: - { - const Elf_Internal_Rela *relt; - - for (relt = rel + 1; relt < rel_end; relt++) - if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10 - || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD - || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL) - break; - checked_tlsgd = TRUE; - _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end; - } - break; - case R_SPARC_TLS_GD_LO10: - case R_SPARC_TLS_GD_ADD: - case R_SPARC_TLS_GD_CALL: - checked_tlsgd = TRUE; - _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE; - break; - } - - r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL); - switch (r_type) - { - case R_SPARC_TLS_LDM_HI22: - case R_SPARC_TLS_LDM_LO10: - htab->tls_ldm_got.refcount += 1; - break; - - case R_SPARC_TLS_LE_HIX22: - case R_SPARC_TLS_LE_LOX10: - if (info->shared) - goto r_sparc_plt32; - break; - - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - if (info->shared) - info->flags |= DF_STATIC_TLS; - /* Fall through */ - - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_GD_LO10: - /* This symbol requires a global offset table entry. */ - { - int tls_type, old_tls_type; - - switch (r_type) - { - default: - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - tls_type = GOT_NORMAL; - break; - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_GD_LO10: - tls_type = GOT_TLS_GD; - break; - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - tls_type = GOT_TLS_IE; - break; - } - - if (h != NULL) - { - h->got.refcount += 1; - old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; - } - else - { - bfd_signed_vma *local_got_refcounts; - - /* This is a global offset table entry for a local symbol. */ - local_got_refcounts = elf_local_got_refcounts (abfd); - if (local_got_refcounts == NULL) - { - bfd_size_type size; - - size = symtab_hdr->sh_info; - size *= (sizeof (bfd_signed_vma) + sizeof(char)); - local_got_refcounts = ((bfd_signed_vma *) - bfd_zalloc (abfd, size)); - if (local_got_refcounts == NULL) - return FALSE; - elf_local_got_refcounts (abfd) = local_got_refcounts; - _bfd_sparc_elf_local_got_tls_type (abfd) - = (char *) (local_got_refcounts + symtab_hdr->sh_info); - } - local_got_refcounts[r_symndx] += 1; - old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx]; - } - - /* If a TLS symbol is accessed using IE at least once, - there is no point to use dynamic model for it. */ - if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN - && (old_tls_type != GOT_TLS_GD - || tls_type != GOT_TLS_IE)) - { - if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) - tls_type = old_tls_type; - else - { - (*_bfd_error_handler) - (_("%B: `%s' accessed both as normal and thread local symbol"), - abfd, h ? h->root.root.string : "<local>"); - return FALSE; - } - } - - if (old_tls_type != tls_type) - { - if (h != NULL) - _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type; - else - _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type; - } - } - - if (htab->sgot == NULL) - { - if (htab->elf.dynobj == NULL) - htab->elf.dynobj = abfd; - if (!create_got_section (htab->elf.dynobj, info)) - return FALSE; - } - break; - - case R_SPARC_TLS_GD_CALL: - case R_SPARC_TLS_LDM_CALL: - if (info->shared) - { - /* These are basically R_SPARC_TLS_WPLT30 relocs against - __tls_get_addr. */ - struct bfd_link_hash_entry *bh = NULL; - if (! _bfd_generic_link_add_one_symbol (info, abfd, - "__tls_get_addr", 0, - bfd_und_section_ptr, 0, - NULL, FALSE, FALSE, - &bh)) - return FALSE; - h = (struct elf_link_hash_entry *) bh; - } - else - break; - /* Fall through */ - - case R_SPARC_PLT32: - case R_SPARC_WPLT30: - 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) - { - if (! ABI_64_P (abfd)) - { - /* The Solaris native assembler will generate a WPLT30 - reloc for a local symbol if you assemble a call from - one section to another when using -K pic. We treat - it as WDISP30. */ - if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32) - goto r_sparc_plt32; - break; - } - - /* 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; - } - - h->needs_plt = 1; - - { - int this_r_type; - - this_r_type = SPARC_ELF_R_TYPE (rel->r_info); - if (this_r_type == R_SPARC_PLT32 - || this_r_type == R_SPARC_PLT64) - goto r_sparc_plt32; - } - h->plt.refcount += 1; - break; - - 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) - h->non_got_ref = 1; - - 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: - 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_UA16: - 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: - if (h != NULL) - h->non_got_ref = 1; - - r_sparc_plt32: - if (h != NULL && !info->shared) - { - /* We may need a .plt entry if the function this reloc - refers to is in a shared lib. */ - h->plt.refcount += 1; - } - - /* If we are creating a shared library, and this is a reloc - against a global symbol, or a non PC relative reloc - against a local symbol, then we need to copy the reloc - into the shared library. However, if we are linking with - -Bsymbolic, we do not need to copy a reloc against a - global symbol which is defined in an object we are - including in the link (i.e., DEF_REGULAR is set). At - this point we have not seen all the input files, so it is - possible that DEF_REGULAR is not set now but will be set - later (it is never cleared). In case of a weak definition, - DEF_REGULAR may be cleared later by a strong definition in - a shared library. We account for that possibility below by - storing information in the relocs_copied field of the hash - table entry. A similar situation occurs when creating - shared libraries and symbol visibility changes render the - symbol local. - - If on the other hand, we are creating an executable, we - may need to keep relocations for symbols satisfied by a - dynamic library if we manage to avoid copy relocs for the - symbol. */ - if ((info->shared - && (sec->flags & SEC_ALLOC) != 0 - && (! _bfd_sparc_elf_howto_table[r_type].pc_relative - || (h != NULL - && (! info->symbolic - || h->root.type == bfd_link_hash_defweak - || !h->def_regular)))) - || (!info->shared - && (sec->flags & SEC_ALLOC) != 0 - && h != NULL - && (h->root.type == bfd_link_hash_defweak - || !h->def_regular))) - { - struct _bfd_sparc_elf_dyn_relocs *p; - struct _bfd_sparc_elf_dyn_relocs **head; - - /* When creating a shared object, we must copy these - relocs into the output file. We create a reloc - section in dynobj and make room for the reloc. */ - if (sreloc == NULL) - { - const char *name; - bfd *dynobj; - - 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); - - if (htab->elf.dynobj == NULL) - htab->elf.dynobj = abfd; - dynobj = htab->elf.dynobj; - - sreloc = bfd_get_section_by_name (dynobj, name); - if (sreloc == NULL) - { - flagword flags; - - flags = (SEC_HAS_CONTENTS | SEC_READONLY - | SEC_IN_MEMORY | SEC_LINKER_CREATED); - if ((sec->flags & SEC_ALLOC) != 0) - flags |= SEC_ALLOC | SEC_LOAD; - sreloc = bfd_make_section_with_flags (dynobj, - name, - flags); - if (sreloc == NULL - || ! bfd_set_section_alignment (dynobj, sreloc, - htab->word_align_power)) - return FALSE; - } - elf_section_data (sec)->sreloc = sreloc; - } - - /* If this is a global symbol, we count the number of - relocations we need for this symbol. */ - if (h != NULL) - head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs; - else - { - /* Track dynamic relocs needed for local syms too. - We really need local syms available to do this - easily. Oh well. */ - - asection *s; - void *vpp; - - s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, - sec, r_symndx); - if (s == NULL) - return FALSE; - - vpp = &elf_section_data (s)->local_dynrel; - head = (struct _bfd_sparc_elf_dyn_relocs **) vpp; - } - - p = *head; - if (p == NULL || p->sec != sec) - { - bfd_size_type amt = sizeof *p; - p = ((struct _bfd_sparc_elf_dyn_relocs *) - bfd_alloc (htab->elf.dynobj, amt)); - if (p == NULL) - return FALSE; - p->next = *head; - *head = p; - p->sec = sec; - p->count = 0; - p->pc_count = 0; - } - - p->count += 1; - if (_bfd_sparc_elf_howto_table[r_type].pc_relative) - p->pc_count += 1; - } - - break; - - case R_SPARC_GNU_VTINHERIT: - if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) - return FALSE; - break; - - case R_SPARC_GNU_VTENTRY: - if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) - return FALSE; - break; - - case R_SPARC_REGISTER: - /* Nothing to do. */ - break; - - default: - break; - } - } - - return TRUE; -} - -asection * -_bfd_sparc_elf_gc_mark_hook (asection *sec, - struct bfd_link_info *info, - Elf_Internal_Rela *rel, - struct elf_link_hash_entry *h, - Elf_Internal_Sym *sym) -{ - if (h != NULL) - { - struct _bfd_sparc_elf_link_hash_table *htab; - - htab = _bfd_sparc_elf_hash_table (info); - switch (SPARC_ELF_R_TYPE (rel->r_info)) - { - case R_SPARC_GNU_VTINHERIT: - case R_SPARC_GNU_VTENTRY: - break; - - default: - switch (h->root.type) - { - case bfd_link_hash_defined: - case bfd_link_hash_defweak: - return h->root.u.def.section; - - case bfd_link_hash_common: - return h->root.u.c.p->section; - - default: - break; - } - } - } - else - return bfd_section_from_elf_index (sec->owner, sym->st_shndx); - - return NULL; -} - -/* Update the got entry reference counts for the section being removed. */ -bfd_boolean -_bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, - asection *sec, const Elf_Internal_Rela *relocs) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_signed_vma *local_got_refcounts; - const Elf_Internal_Rela *rel, *relend; - - elf_section_data (sec)->local_dynrel = NULL; - - htab = _bfd_sparc_elf_hash_table (info); - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_refcounts = elf_local_got_refcounts (abfd); - - relend = relocs + sec->reloc_count; - for (rel = relocs; rel < relend; rel++) - { - unsigned long r_symndx; - unsigned int r_type; - struct elf_link_hash_entry *h = NULL; - - r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info); - if (r_symndx >= symtab_hdr->sh_info) - { - struct _bfd_sparc_elf_link_hash_entry *eh; - struct _bfd_sparc_elf_dyn_relocs **pp; - struct _bfd_sparc_elf_dyn_relocs *p; - - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - eh = (struct _bfd_sparc_elf_link_hash_entry *) h; - for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) - if (p->sec == sec) - { - /* Everything must go for SEC. */ - *pp = p->next; - break; - } - } - - r_type = SPARC_ELF_R_TYPE (rel->r_info); - r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL); - switch (r_type) - { - case R_SPARC_TLS_LDM_HI22: - case R_SPARC_TLS_LDM_LO10: - if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0) - _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1; - break; - - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_GD_LO10: - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - if (h != NULL) - { - if (h->got.refcount > 0) - h->got.refcount--; - } - else - { - if (local_got_refcounts[r_symndx] > 0) - local_got_refcounts[r_symndx]--; - } - break; - - 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: - 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_UA16: - case R_SPARC_UA32: - case R_SPARC_PLT32: - 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: - if (info->shared) - break; - /* Fall through. */ - - case R_SPARC_WPLT30: - if (h != NULL) - { - if (h->plt.refcount > 0) - h->plt.refcount--; - } - break; - - default: - break; - } - } - - return TRUE; -} - -/* 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. */ - -bfd_boolean -_bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info, - struct elf_link_hash_entry *h) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - struct _bfd_sparc_elf_link_hash_entry * eh; - struct _bfd_sparc_elf_dyn_relocs *p; - asection *s; - unsigned int power_of_two; - - htab = _bfd_sparc_elf_hash_table (info); - - /* Make sure we know what is going on here. */ - BFD_ASSERT (htab->elf.dynobj != NULL - && (h->needs_plt - || h->u.weakdef != NULL - || (h->def_dynamic - && h->ref_regular - && !h->def_regular))); - - /* If this is a function, put it in the procedure linkage table. We - will fill in the contents of the procedure linkage table later - (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->needs_plt - || (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 (h->plt.refcount <= 0 - || (! info->shared - && !h->def_dynamic - && !h->ref_dynamic - && h->root.type != bfd_link_hash_undefweak - && h->root.type != bfd_link_hash_undefined)) - { - /* This case can occur if we saw a WPLT30 reloc in an input - file, but the symbol was never referred to by a dynamic - object, or if all references were garbage collected. In - such a case, we don't actually need to build a procedure - linkage table, and we can just do a WDISP30 reloc instead. */ - h->plt.offset = (bfd_vma) -1; - h->needs_plt = 0; - } - - return TRUE; - } - else - h->plt.offset = (bfd_vma) -1; - - /* 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->u.weakdef != NULL) - { - BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined - || h->u.weakdef->root.type == bfd_link_hash_defweak); - h->root.u.def.section = h->u.weakdef->root.u.def.section; - h->root.u.def.value = h->u.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; - - /* If there are no references to this symbol that do not use the - GOT, we don't need to generate a copy reloc. */ - if (!h->non_got_ref) - return TRUE; - - eh = (struct _bfd_sparc_elf_link_hash_entry *) h; - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - s = p->sec->output_section; - if (s != NULL && (s->flags & SEC_READONLY) != 0) - break; - } - - /* If we didn't find any dynamic relocs in read-only sections, then - we'll be keeping the dynamic relocs and avoiding the copy reloc. */ - if (p == NULL) - { - h->non_got_ref = 0; - return TRUE; - } - - if (h->size == 0) - { - (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"), - h->root.root.string); - 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. */ - - /* 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) - { - htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab); - h->needs_copy = 1; - } - - /* We need to figure out the alignment required for this symbol. I - have no idea how ELF linkers handle this. */ - power_of_two = bfd_log2 (h->size); - if (power_of_two > htab->align_power_max) - power_of_two = htab->align_power_max; - - /* Apply the required alignment. */ - s = htab->sdynbss; - s->size = BFD_ALIGN (s->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->size; - - /* Increment the section size to make room for the symbol. */ - s->size += h->size; - - return TRUE; -} - -/* Allocate space in .plt, .got and associated reloc sections for - dynamic relocs. */ - -static bfd_boolean -allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf) -{ - struct bfd_link_info *info; - struct _bfd_sparc_elf_link_hash_table *htab; - struct _bfd_sparc_elf_link_hash_entry *eh; - struct _bfd_sparc_elf_dyn_relocs *p; - - if (h->root.type == bfd_link_hash_indirect) - return TRUE; - - if (h->root.type == bfd_link_hash_warning) - /* When warning symbols are created, they **replace** the "real" - entry in the hash table, thus we never get to see the real - symbol in a hash traversal. So look at it now. */ - h = (struct elf_link_hash_entry *) h->root.u.i.link; - - info = (struct bfd_link_info *) inf; - htab = _bfd_sparc_elf_hash_table (info); - - if (htab->elf.dynamic_sections_created - && h->plt.refcount > 0) - { - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && !h->forced_local) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - - if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)) - { - asection *s = htab->splt; - - /* Allocate room for the header. */ - if (s->size == 0) - { - s->size = htab->plt_header_size; - - /* Allocate space for the .rela.plt.unloaded relocations. */ - if (htab->is_vxworks && !info->shared) - htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2; - } - - /* The procedure linkage table size is bounded by the magnitude - of the offset we can describe in the entry. */ - if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ? - (((bfd_vma)1 << 31) << 1) : 0x400000)) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - if (SPARC_ELF_WORD_BYTES(htab) == 8 - && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE) - { - bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE; - - - off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE; - - h->plt.offset = (s->size - (off * 8)); - } - else - h->plt.offset = s->size; - - /* If this symbol is not defined in a regular file, and we are - not generating a shared library, then set the symbol to this - location in the .plt. This is required to make function - pointers compare as equal between the normal executable and - the shared library. */ - if (! info->shared - && !h->def_regular) - { - h->root.u.def.section = s; - h->root.u.def.value = h->plt.offset; - } - - /* Make room for this entry. */ - s->size += htab->plt_entry_size; - - /* We also need to make an entry in the .rela.plt section. */ - htab->srelplt->size += SPARC_ELF_RELA_BYTES (htab); - - if (htab->is_vxworks) - { - /* Allocate space for the .got.plt entry. */ - htab->sgotplt->size += 4; - - /* ...and for the .rela.plt.unloaded relocations. */ - if (!info->shared) - htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3; - } - } - else - { - h->plt.offset = (bfd_vma) -1; - h->needs_plt = 0; - } - } - else - { - h->plt.offset = (bfd_vma) -1; - h->needs_plt = 0; - } - - /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary, - make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */ - if (h->got.refcount > 0 - && !info->shared - && h->dynindx == -1 - && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE) - h->got.offset = (bfd_vma) -1; - else if (h->got.refcount > 0) - { - asection *s; - bfd_boolean dyn; - int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; - - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && !h->forced_local) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - - s = htab->sgot; - h->got.offset = s->size; - s->size += SPARC_ELF_WORD_BYTES (htab); - /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */ - if (tls_type == GOT_TLS_GD) - s->size += SPARC_ELF_WORD_BYTES (htab); - dyn = htab->elf.dynamic_sections_created; - /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation, - R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if - global. */ - if ((tls_type == GOT_TLS_GD && h->dynindx == -1) - || tls_type == GOT_TLS_IE) - htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab); - else if (tls_type == GOT_TLS_GD) - htab->srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab); - else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)) - htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab); - } - else - h->got.offset = (bfd_vma) -1; - - eh = (struct _bfd_sparc_elf_link_hash_entry *) h; - if (eh->dyn_relocs == NULL) - return TRUE; - - /* In the shared -Bsymbolic case, discard space allocated for - dynamic pc-relative relocs against symbols which turn out to be - defined in regular objects. For the normal shared case, discard - space for pc-relative relocs that have become local due to symbol - visibility changes. */ - - if (info->shared) - { - if (h->def_regular - && (h->forced_local - || info->symbolic)) - { - struct _bfd_sparc_elf_dyn_relocs **pp; - - for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) - { - p->count -= p->pc_count; - p->pc_count = 0; - if (p->count == 0) - *pp = p->next; - else - pp = &p->next; - } - } - - /* Also discard relocs on undefined weak syms with non-default - visibility. */ - if (eh->dyn_relocs != NULL - && h->root.type == bfd_link_hash_undefweak) - { - if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) - eh->dyn_relocs = NULL; - - /* Make sure undefined weak symbols are output as a dynamic - symbol in PIEs. */ - else if (h->dynindx == -1 - && !h->forced_local) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - } - } - else - { - /* For the non-shared case, discard space for relocs against - symbols which turn out to need copy relocs or are not - dynamic. */ - - if (!h->non_got_ref - && ((h->def_dynamic - && !h->def_regular) - || (htab->elf.dynamic_sections_created - && (h->root.type == bfd_link_hash_undefweak - || h->root.type == bfd_link_hash_undefined)))) - { - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && !h->forced_local) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - - /* If that succeeded, we know we'll be keeping all the - relocs. */ - if (h->dynindx != -1) - goto keep; - } - - eh->dyn_relocs = NULL; - - keep: ; - } - - /* Finally, allocate space. */ - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - asection *sreloc = elf_section_data (p->sec)->sreloc; - sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab); - } - - return TRUE; -} - -/* Find any dynamic relocs that apply to read-only sections. */ - -static bfd_boolean -readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf) -{ - struct _bfd_sparc_elf_link_hash_entry *eh; - struct _bfd_sparc_elf_dyn_relocs *p; - - if (h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - - eh = (struct _bfd_sparc_elf_link_hash_entry *) h; - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - asection *s = p->sec->output_section; - - if (s != NULL && (s->flags & SEC_READONLY) != 0) - { - struct bfd_link_info *info = (struct bfd_link_info *) inf; - - info->flags |= DF_TEXTREL; - - /* Not an error, just cut short the traversal. */ - return FALSE; - } - } - return TRUE; -} - -/* Return true if the dynamic symbol for a given section should be - omitted when creating a shared library. */ - -bfd_boolean -_bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd, - struct bfd_link_info *info, - asection *p) -{ - /* We keep the .got section symbol so that explicit relocations - against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode - can be turned into relocations against the .got symbol. */ - if (strcmp (p->name, ".got") == 0) - return FALSE; - - return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p); -} - -/* Set the sizes of the dynamic sections. */ - -bfd_boolean -_bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd, - struct bfd_link_info *info) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - bfd *dynobj; - asection *s; - bfd *ibfd; - - htab = _bfd_sparc_elf_hash_table (info); - dynobj = htab->elf.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->size = htab->dynamic_interpreter_size; - s->contents = (unsigned char *) htab->dynamic_interpreter; - } - } - - /* Set up .got offsets for local syms, and space for local dynamic - relocs. */ - for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) - { - bfd_signed_vma *local_got; - bfd_signed_vma *end_local_got; - char *local_tls_type; - bfd_size_type locsymcount; - Elf_Internal_Shdr *symtab_hdr; - asection *srel; - - if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) - continue; - - for (s = ibfd->sections; s != NULL; s = s->next) - { - struct _bfd_sparc_elf_dyn_relocs *p; - - for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next) - { - if (!bfd_is_abs_section (p->sec) - && bfd_is_abs_section (p->sec->output_section)) - { - /* Input section has been discarded, either because - it is a copy of a linkonce section or due to - linker script /DISCARD/, so we'll be discarding - the relocs too. */ - } - else if (p->count != 0) - { - srel = elf_section_data (p->sec)->sreloc; - srel->size += p->count * SPARC_ELF_RELA_BYTES (htab); - if ((p->sec->output_section->flags & SEC_READONLY) != 0) - info->flags |= DF_TEXTREL; - } - } - } - - local_got = elf_local_got_refcounts (ibfd); - if (!local_got) - continue; - - symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; - locsymcount = symtab_hdr->sh_info; - end_local_got = local_got + locsymcount; - local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd); - s = htab->sgot; - srel = htab->srelgot; - for (; local_got < end_local_got; ++local_got, ++local_tls_type) - { - if (*local_got > 0) - { - *local_got = s->size; - s->size += SPARC_ELF_WORD_BYTES (htab); - if (*local_tls_type == GOT_TLS_GD) - s->size += SPARC_ELF_WORD_BYTES (htab); - if (info->shared - || *local_tls_type == GOT_TLS_GD - || *local_tls_type == GOT_TLS_IE) - srel->size += SPARC_ELF_RELA_BYTES (htab); - } - else - *local_got = (bfd_vma) -1; - } - } - - if (htab->tls_ldm_got.refcount > 0) - { - /* Allocate 2 got entries and 1 dynamic reloc for - R_SPARC_TLS_LDM_{HI22,LO10} relocs. */ - htab->tls_ldm_got.offset = htab->sgot->size; - htab->sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab)); - htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab); - } - else - htab->tls_ldm_got.offset = -1; - - /* Allocate global sym .plt and .got entries, and space for global - sym dynamic relocs. */ - elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info); - - if (! ABI_64_P (output_bfd) - && !htab->is_vxworks - && elf_hash_table (info)->dynamic_sections_created) - { - /* Make space for the trailing nop in .plt. */ - if (htab->splt->size > 0) - htab->splt->size += 1 * SPARC_INSN_BYTES; - - /* 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. - - FIXME: Make this optimization work for 64-bit too. */ - if (htab->sgot->size >= 0x1000 - && elf_hash_table (info)->hgot->root.u.def.value == 0) - elf_hash_table (info)->hgot->root.u.def.value = 0x1000; - } - - /* The check_relocs and adjust_dynamic_symbol entry points have - determined the sizes of the various dynamic sections. Allocate - memory for them. */ - for (s = dynobj->sections; s != NULL; s = s->next) - { - if ((s->flags & SEC_LINKER_CREATED) == 0) - continue; - - if (s == htab->splt - || s == htab->sgot - || s == htab->sdynbss - || s == htab->sgotplt) - { - /* Strip this section if we don't need it; see the - comment below. */ - } - else if (strncmp (s->name, ".rela", 5) == 0) - { - if (s->size != 0) - { - /* We use the reloc_count field as a counter if we need - to copy relocs into the output file. */ - s->reloc_count = 0; - } - } - else - { - /* It's not one of our sections. */ - continue; - } - - if (s->size == 0) - { - /* If we don't need this section, strip it from the - output file. This is mostly to handle .rela.bss and - .rela.plt. We must create both sections in - create_dynamic_sections, because they must be created - before the linker maps input sections to output - sections. The linker does that before - adjust_dynamic_symbol is called, and it is that - function which decides whether anything needs to go - into these sections. */ - s->flags |= SEC_EXCLUDE; - continue; - } - - if ((s->flags & SEC_HAS_CONTENTS) == 0) - continue; - - /* Allocate memory for the section contents. 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->size); - if (s->contents == NULL) - return FALSE; - } - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Add some entries to the .dynamic section. We fill in the - values later, in _bfd_sparc_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) - - if (info->executable) - { - if (!add_dynamic_entry (DT_DEBUG, 0)) - return FALSE; - } - - if (htab->srelplt->size != 0) - { - if (!add_dynamic_entry (DT_PLTGOT, 0) - || !add_dynamic_entry (DT_PLTRELSZ, 0) - || !add_dynamic_entry (DT_PLTREL, DT_RELA) - || !add_dynamic_entry (DT_JMPREL, 0)) - return FALSE; - } - - if (!add_dynamic_entry (DT_RELA, 0) - || !add_dynamic_entry (DT_RELASZ, 0) - || !add_dynamic_entry (DT_RELAENT, - SPARC_ELF_RELA_BYTES (htab))) - return FALSE; - - /* If any dynamic relocs apply to a read-only section, - then we need a DT_TEXTREL entry. */ - if ((info->flags & DF_TEXTREL) == 0) - elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, - (PTR) info); - - if (info->flags & DF_TEXTREL) - { - if (!add_dynamic_entry (DT_TEXTREL, 0)) - return FALSE; - } - - if (ABI_64_P (output_bfd)) - { - int reg; - struct _bfd_sparc_elf_app_reg * app_regs; - struct elf_strtab_hash *dynstr; - struct elf_link_hash_table *eht = elf_hash_table (info); - - /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER - entries if needed. */ - app_regs = _bfd_sparc_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; -} - -bfd_boolean -_bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec) -{ - struct _bfd_sparc_elf_section_data *sdata; - bfd_size_type amt = sizeof (*sdata); - - sdata = (struct _bfd_sparc_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); -} - -bfd_boolean -_bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED, - struct bfd_section *section, - struct bfd_link_info *link_info ATTRIBUTE_UNUSED, - bfd_boolean *again) -{ - *again = FALSE; - sec_do_relax (section) = 1; - return TRUE; -} - -/* Return the base VMA address which should be subtracted from real addresses - when resolving @dtpoff relocation. - This is PT_TLS segment p_vaddr. */ - -static bfd_vma -dtpoff_base (struct bfd_link_info *info) -{ - /* If tls_sec is NULL, we should have signalled an error already. */ - if (elf_hash_table (info)->tls_sec == NULL) - return 0; - return elf_hash_table (info)->tls_sec->vma; -} - -/* Return the relocation value for @tpoff relocation - if STT_TLS virtual address is ADDRESS. */ - -static bfd_vma -tpoff (struct bfd_link_info *info, bfd_vma address) -{ - struct elf_link_hash_table *htab = elf_hash_table (info); - - /* If tls_sec is NULL, we should have signalled an error already. */ - if (htab->tls_sec == NULL) - return 0; - return address - htab->tls_size - htab->tls_sec->vma; -} - -/* Relocate a SPARC ELF section. */ - -bfd_boolean -_bfd_sparc_elf_relocate_section (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) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - bfd_vma got_base; - asection *sreloc; - Elf_Internal_Rela *rel; - Elf_Internal_Rela *relend; - int num_relocs; - - if (info->relocatable) - return TRUE; - - htab = _bfd_sparc_elf_hash_table (info); - 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; - - sreloc = elf_section_data (input_section)->sreloc; - - rel = relocs; - if (ABI_64_P (output_bfd)) - num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr); - else - num_relocs = input_section->reloc_count; - relend = relocs + num_relocs; - for (; rel < relend; rel++) - { - int r_type, tls_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 = SPARC_ELF_R_TYPE (rel->r_info); - if (r_type == R_SPARC_GNU_VTINHERIT - || r_type == R_SPARC_GNU_VTENTRY) - continue; - - if (r_type < 0 || r_type >= (int) R_SPARC_max_std) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - howto = _bfd_sparc_elf_howto_table + r_type; - - /* This is a final link. */ - r_symndx = SPARC_ELF_R_SYMNDX (htab, 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; - } - } - - 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 (htab->sgot == NULL) - abort (); - - 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->forced_local) - && h->def_regular)) - { - /* This is actually a static link, or it is a - -Bsymbolic link and the symbol is defined - locally, or the symbol was forced to be local - because of a version file. We must initialize - this entry in the global offset table. Since the - offset must always be a multiple of 8 for 64-bit - and 4 for 32-bit, 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 - { - SPARC_ELF_PUT_WORD (htab, output_bfd, relocation, - htab->sgot->contents + off); - h->got.offset |= 1; - } - } - else - unresolved_reloc = FALSE; - } - else - { - BFD_ASSERT (local_got_offsets != NULL - && local_got_offsets[r_symndx] != (bfd_vma) -1); - - off = local_got_offsets[r_symndx]; - - /* The offset must always be a multiple of 8 on 64-bit and - 4 on 32-bit. We use the least significant bit to record - whether we have already processed this entry. */ - if ((off & 1) != 0) - off &= ~1; - else - { - - if (info->shared) - { - asection *s; - Elf_Internal_Rela outrel; - - /* We need to generate a R_SPARC_RELATIVE reloc - for the dynamic linker. */ - s = htab->srelgot; - BFD_ASSERT (s != NULL); - - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset - + off); - outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, - 0, R_SPARC_RELATIVE); - outrel.r_addend = relocation; - relocation = 0; - SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &outrel); - } - - SPARC_ELF_PUT_WORD (htab, output_bfd, relocation, - htab->sgot->contents + off); - local_got_offsets[r_symndx] |= 1; - } - } - relocation = htab->sgot->output_offset + off - got_base; - break; - - case R_SPARC_PLT32: - case R_SPARC_PLT64: - if (h == NULL || h->plt.offset == (bfd_vma) -1) - { - r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64; - goto r_sparc_plt32; - } - /* Fall through. */ - - case R_SPARC_WPLT30: - case R_SPARC_HIPLT22: - case R_SPARC_LOPLT10: - case R_SPARC_PCPLT32: - case R_SPARC_PCPLT22: - case R_SPARC_PCPLT10: - r_sparc_wplt30: - /* Relocation is to the entry for this symbol in the - procedure linkage table. */ - - if (! ABI_64_P (output_bfd)) - { - /* The Solaris native assembler will generate a WPLT30 reloc - for a local symbol if you assemble a call from one - section to another when using -K pic. We treat it as - WDISP30. */ - if (h == NULL) - break; - } - else - { - BFD_ASSERT (h != NULL); - } - - if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL) - { - /* We didn't make a PLT entry for this symbol. This - happens when statically linking PIC code, or when - using -Bsymbolic. */ - break; - } - - relocation = (htab->splt->output_section->vma - + htab->splt->output_offset - + h->plt.offset); - unresolved_reloc = FALSE; - 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 r_sparc_plt32; - } - break; - - 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: - 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_UA16: - 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: - r_sparc_plt32: - /* r_symndx will be zero only for relocs against symbols - from removed linkonce sections, or sections discarded by - a linker script. */ - if (r_symndx == 0 - || (input_section->flags & SEC_ALLOC) == 0) - break; - - if ((info->shared - && (h == NULL - || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT - || h->root.type != bfd_link_hash_undefweak) - && (! howto->pc_relative - || (h != NULL - && h->dynindx != -1 - && (! info->symbolic - || !h->def_regular)))) - || (!info->shared - && h != NULL - && h->dynindx != -1 - && !h->non_got_ref - && ((h->def_dynamic - && !h->def_regular) - || h->root.type == bfd_link_hash_undefweak - || h->root.type == bfd_link_hash_undefined))) - { - Elf_Internal_Rela outrel; - bfd_boolean skip, relocate = FALSE; - - /* When generating a shared object, these relocations - are copied into the output file to be resolved at run - time. */ - - BFD_ASSERT (sreloc != NULL); - - skip = 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; - } - - 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->def_regular)) - { - BFD_ASSERT (h->dynindx != -1); - outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type); - outrel.r_addend = rel->r_addend; - } - else - { - if (r_type == R_SPARC_32 || r_type == R_SPARC_64) - { - outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, - 0, R_SPARC_RELATIVE); - outrel.r_addend = relocation + rel->r_addend; - } - else - { - long indx; - - if (is_plt) - sec = htab->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; - - /* FIXME: we really should be able to link non-pic - shared libraries. */ - if (indx == 0) - { - BFD_FAIL (); - (*_bfd_error_handler) - (_("%B: probably compiled without -fPIC?"), - input_bfd); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - } - - outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx, r_type); - outrel.r_addend = relocation + rel->r_addend; - } - } - - SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel); - - /* This reloc will be computed at runtime, so there's no - need to do anything now. */ - if (! relocate) - continue; - } - break; - - case R_SPARC_TLS_GD_HI22: - if (! ABI_64_P (input_bfd) - && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd) - { - /* R_SPARC_REV32 used the same reloc number as - R_SPARC_TLS_GD_HI22. */ - r_type = R_SPARC_REV32; - break; - } - /* Fall through */ - - case R_SPARC_TLS_GD_LO10: - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL); - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - { - tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; - if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE) - switch (SPARC_ELF_R_TYPE (rel->r_info)) - { - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_IE_HI22: - r_type = R_SPARC_TLS_LE_HIX22; - break; - default: - r_type = R_SPARC_TLS_LE_LOX10; - break; - } - } - if (tls_type == GOT_TLS_IE) - switch (r_type) - { - case R_SPARC_TLS_GD_HI22: - r_type = R_SPARC_TLS_IE_HI22; - break; - case R_SPARC_TLS_GD_LO10: - r_type = R_SPARC_TLS_IE_LO10; - break; - } - - if (r_type == R_SPARC_TLS_LE_HIX22) - { - relocation = tpoff (info, relocation); - break; - } - if (r_type == R_SPARC_TLS_LE_LOX10) - { - /* Change add into xor. */ - relocation = tpoff (info, relocation); - bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd, - contents + rel->r_offset) - | 0x80182000), contents + rel->r_offset); - break; - } - - if (h != NULL) - { - off = h->got.offset; - h->got.offset |= 1; - } - else - { - BFD_ASSERT (local_got_offsets != NULL); - off = local_got_offsets[r_symndx]; - local_got_offsets[r_symndx] |= 1; - } - - r_sparc_tlsldm: - if (htab->sgot == NULL) - abort (); - - if ((off & 1) != 0) - off &= ~1; - else - { - Elf_Internal_Rela outrel; - int dr_type, indx; - - if (htab->srelgot == NULL) - abort (); - - SPARC_ELF_PUT_WORD (htab, output_bfd, 0, htab->sgot->contents + off); - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off); - indx = h && h->dynindx != -1 ? h->dynindx : 0; - if (r_type == R_SPARC_TLS_IE_HI22 - || r_type == R_SPARC_TLS_IE_LO10) - dr_type = SPARC_ELF_TPOFF_RELOC (htab); - else - dr_type = SPARC_ELF_DTPMOD_RELOC (htab); - if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0) - outrel.r_addend = relocation - dtpoff_base (info); - else - outrel.r_addend = 0; - outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type); - SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel); - - if (r_type == R_SPARC_TLS_GD_HI22 - || r_type == R_SPARC_TLS_GD_LO10) - { - if (indx == 0) - { - BFD_ASSERT (! unresolved_reloc); - SPARC_ELF_PUT_WORD (htab, output_bfd, - relocation - dtpoff_base (info), - (htab->sgot->contents + off - + SPARC_ELF_WORD_BYTES (htab))); - } - else - { - SPARC_ELF_PUT_WORD (htab, output_bfd, 0, - (htab->sgot->contents + off - + SPARC_ELF_WORD_BYTES (htab))); - outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, - SPARC_ELF_DTPOFF_RELOC (htab)); - outrel.r_offset += SPARC_ELF_WORD_BYTES (htab); - SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel); - } - } - else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab)) - { - SPARC_ELF_PUT_WORD (htab, output_bfd, 0, - (htab->sgot->contents + off - + SPARC_ELF_WORD_BYTES (htab))); - } - } - - if (off >= (bfd_vma) -2) - abort (); - - relocation = htab->sgot->output_offset + off - got_base; - unresolved_reloc = FALSE; - howto = _bfd_sparc_elf_howto_table + r_type; - break; - - case R_SPARC_TLS_LDM_HI22: - case R_SPARC_TLS_LDM_LO10: - if (! info->shared) - { - bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); - continue; - } - off = htab->tls_ldm_got.offset; - htab->tls_ldm_got.offset |= 1; - goto r_sparc_tlsldm; - - case R_SPARC_TLS_LDO_HIX22: - case R_SPARC_TLS_LDO_LOX10: - if (info->shared) - { - relocation -= dtpoff_base (info); - break; - } - - r_type = (r_type == R_SPARC_TLS_LDO_HIX22 - ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10); - /* Fall through. */ - - case R_SPARC_TLS_LE_HIX22: - case R_SPARC_TLS_LE_LOX10: - if (info->shared) - { - Elf_Internal_Rela outrel; - bfd_boolean skip, relocate = FALSE; - - BFD_ASSERT (sreloc != NULL); - skip = FALSE; - outrel.r_offset = - _bfd_elf_section_offset (output_bfd, info, input_section, - rel->r_offset); - if (outrel.r_offset == (bfd_vma) -1) - skip = TRUE; - else if (outrel.r_offset == (bfd_vma) -2) - skip = TRUE, relocate = TRUE; - outrel.r_offset += (input_section->output_section->vma - + input_section->output_offset); - if (skip) - memset (&outrel, 0, sizeof outrel); - else - { - outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type); - outrel.r_addend = relocation - dtpoff_base (info) - + rel->r_addend; - } - - SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel); - continue; - } - relocation = tpoff (info, relocation); - break; - - case R_SPARC_TLS_LDM_CALL: - if (! info->shared) - { - /* mov %g0, %o0 */ - bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset); - continue; - } - /* Fall through */ - - case R_SPARC_TLS_GD_CALL: - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; - if (! info->shared - || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE)) - { - bfd_vma insn; - - if (!info->shared && (h == NULL || h->dynindx == -1)) - { - /* GD -> LE */ - bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); - continue; - } - - /* GD -> IE */ - if (rel + 1 < relend - && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD - && rel[1].r_offset == rel->r_offset + 4 - && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx - && (((insn = bfd_get_32 (input_bfd, - contents + rel[1].r_offset)) - >> 25) & 0x1f) == 8) - { - /* We have - call __tls_get_addr, %tgd_call(foo) - add %reg1, %reg2, %o0, %tgd_add(foo) - and change it into IE: - {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo) - add %g7, %o0, %o0, %tie_add(foo). - add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2, - ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2, - ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */ - bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000), - contents + rel->r_offset); - bfd_put_32 (output_bfd, 0x9001c008, - contents + rel->r_offset + 4); - rel++; - continue; - } - - bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset); - continue; - } - - h = (struct elf_link_hash_entry *) - bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, - FALSE, TRUE); - BFD_ASSERT (h != NULL); - r_type = R_SPARC_WPLT30; - howto = _bfd_sparc_elf_howto_table + r_type; - goto r_sparc_wplt30; - - case R_SPARC_TLS_GD_ADD: - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; - if (! info->shared || tls_type == GOT_TLS_IE) - { - /* add %reg1, %reg2, %reg3, %tgd_add(foo) - changed into IE: - {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo) - or LE: - add %g7, %reg2, %reg3. */ - bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - if ((h != NULL && h->dynindx != -1) || info->shared) - relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000); - else - relocation = (insn & ~0x7c000) | 0x1c000; - bfd_put_32 (output_bfd, relocation, contents + rel->r_offset); - } - continue; - - case R_SPARC_TLS_LDM_ADD: - if (! info->shared) - bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); - continue; - - case R_SPARC_TLS_LDO_ADD: - if (! info->shared) - { - /* Change rs1 into %g7. */ - bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - insn = (insn & ~0x7c000) | 0x1c000; - bfd_put_32 (output_bfd, insn, contents + rel->r_offset); - } - continue; - - case R_SPARC_TLS_IE_LD: - case R_SPARC_TLS_IE_LDX: - if (! info->shared && (h == NULL || h->dynindx == -1)) - { - bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - int rs2 = insn & 0x1f; - int rd = (insn >> 25) & 0x1f; - - if (rs2 == rd) - relocation = SPARC_NOP; - else - relocation = 0x80100000 | (insn & 0x3e00001f); - bfd_put_32 (output_bfd, relocation, contents + rel->r_offset); - } - continue; - - case R_SPARC_TLS_IE_ADD: - /* Totally useless relocation. */ - continue; - - case R_SPARC_TLS_DTPOFF32: - case R_SPARC_TLS_DTPOFF64: - relocation -= dtpoff_base (info); - break; - - default: - 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->def_dynamic)) - (*_bfd_error_handler) - (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), - input_bfd, - input_section, - (long) rel->r_offset, - howto->name, - h->root.root.string); - - r = bfd_reloc_continue; - if (r_type == R_SPARC_OLO10) - { - bfd_vma x; - - if (! ABI_64_P (output_bfd)) - abort (); - - 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); - } - else if (r_type == R_SPARC_WDISP16) - { - bfd_vma x; - - relocation += rel->r_addend; - 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 |= ((((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); - } - else if (r_type == R_SPARC_REV32) - { - bfd_vma x; - - relocation = relocation + rel->r_addend; - - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = x + relocation; - bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset); - r = bfd_reloc_ok; - } - else if (r_type == R_SPARC_TLS_LDO_HIX22 - || r_type == R_SPARC_TLS_LE_HIX22) - { - bfd_vma x; - - relocation += rel->r_addend; - if (r_type == R_SPARC_TLS_LE_HIX22) - 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_reloc_ok; - } - else if (r_type == R_SPARC_TLS_LDO_LOX10 - || r_type == R_SPARC_TLS_LE_LOX10) - { - bfd_vma x; - - relocation += rel->r_addend; - relocation &= 0x3ff; - if (r_type == R_SPARC_TLS_LE_LOX10) - relocation |= 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; - } - else if (r_type == 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); - } - else if (r_type == 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; - } - else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30) - && sec_do_relax (input_section) - && rel->r_offset + 4 < input_section->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); - - /* Ensure the branch fits into simm22. */ - if ((reloc & 3) == 0 - && ((reloc & ~(bfd_vma)0x7fffff) == 0 - || ((reloc | 0x7fffff) == ~(bfd_vma)0))) - { - reloc >>= 2; - - /* Check whether it fits into simm19. */ - if (((reloc & 0x3c0000) == 0 - || (reloc & 0x3c0000) == 0x3c0000) - && (ABI_64_P (output_bfd) - || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS)) - 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); - } - - } - } - } - } - - if (r == bfd_reloc_continue) - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, rel->r_addend); - - if (r != bfd_reloc_ok) - { - switch (r) - { - 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 in - this case and also for discarded entries. */ - if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32) - && (((input_section->flags & SEC_DEBUGGING) != 0 - && strcmp (bfd_section_name (input_bfd, - input_section), - ".stab") == 0) - || _bfd_elf_section_offset (output_bfd, info, - input_section, - rel->r_offset) - == (bfd_vma)-1)) - break; - - if (h != NULL) - { - /* 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. */ - if (h->root.type == bfd_link_hash_undefweak - && howto->pc_relative) - break; - - name = NULL; - } - 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, (h ? &h->root : NULL), name, howto->name, - (bfd_vma) 0, input_bfd, input_section, - rel->r_offset))) - return FALSE; - } - break; - } - } - } - - return TRUE; -} - -/* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry - and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET - is the offset of the associated .got.plt entry from - _GLOBAL_OFFSET_TABLE_. */ - -static void -sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info, - bfd_vma plt_offset, bfd_vma plt_index, - bfd_vma got_offset) -{ - bfd_vma got_base; - const bfd_vma *plt_entry; - struct _bfd_sparc_elf_link_hash_table *htab; - bfd_byte *loc; - Elf_Internal_Rela rela; - - htab = _bfd_sparc_elf_hash_table (info); - if (info->shared) - { - plt_entry = sparc_vxworks_shared_plt_entry; - got_base = 0; - } - else - { - plt_entry = sparc_vxworks_exec_plt_entry; - got_base = (htab->elf.hgot->root.u.def.value - + htab->elf.hgot->root.u.def.section->output_offset - + htab->elf.hgot->root.u.def.section->output_section->vma); - } - - /* Fill in the entry in the procedure linkage table. */ - bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10), - htab->splt->contents + plt_offset); - bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff), - htab->splt->contents + plt_offset + 4); - bfd_put_32 (output_bfd, plt_entry[2], - htab->splt->contents + plt_offset + 8); - bfd_put_32 (output_bfd, plt_entry[3], - htab->splt->contents + plt_offset + 12); - bfd_put_32 (output_bfd, plt_entry[4], - htab->splt->contents + plt_offset + 16); - bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10), - htab->splt->contents + plt_offset + 20); - /* PC-relative displacement for a branch to the start of - the PLT section. */ - bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2) - & 0x003fffff), - htab->splt->contents + plt_offset + 24); - bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff), - htab->splt->contents + plt_offset + 28); - - /* Fill in the .got.plt entry, pointing initially at the - second half of the PLT entry. */ - BFD_ASSERT (htab->sgotplt != NULL); - bfd_put_32 (output_bfd, - htab->splt->output_section->vma - + htab->splt->output_offset - + plt_offset + 20, - htab->sgotplt->contents + got_offset); - - /* Add relocations to .rela.plt.unloaded. */ - if (!info->shared) - { - loc = (htab->srelplt2->contents - + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela)); - - /* Relocate the initial sethi. */ - rela.r_offset = (htab->splt->output_section->vma - + htab->splt->output_offset - + plt_offset); - rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22); - rela.r_addend = got_offset; - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - loc += sizeof (Elf32_External_Rela); - - /* Likewise the following or. */ - rela.r_offset += 4; - rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10); - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - loc += sizeof (Elf32_External_Rela); - - /* Relocate the .got.plt entry. */ - rela.r_offset = (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset - + got_offset); - rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32); - rela.r_addend = plt_offset + 20; - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - } -} - -/* Finish up dynamic symbol handling. We set the contents of various - dynamic sections here. */ - -bfd_boolean -_bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd, - struct bfd_link_info *info, - struct elf_link_hash_entry *h, - Elf_Internal_Sym *sym) -{ - bfd *dynobj; - struct _bfd_sparc_elf_link_hash_table *htab; - - htab = _bfd_sparc_elf_hash_table (info); - dynobj = htab->elf.dynobj; - - if (h->plt.offset != (bfd_vma) -1) - { - asection *splt; - asection *srela; - Elf_Internal_Rela rela; - bfd_byte *loc; - bfd_vma r_offset, got_offset; - int rela_index; - - /* This symbol has an entry in the PLT. Set it up. */ - - BFD_ASSERT (h->dynindx != -1); - - splt = htab->splt; - srela = htab->srelplt; - BFD_ASSERT (splt != NULL && srela != NULL); - - /* Fill in the entry in the .rela.plt section. */ - if (htab->is_vxworks) - { - /* Work out the index of this PLT entry. */ - rela_index = ((h->plt.offset - htab->plt_header_size) - / htab->plt_entry_size); - - /* Calculate the offset of the associated .got.plt entry. - The first three entries are reserved. */ - got_offset = (rela_index + 3) * 4; - - sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset, - rela_index, got_offset); - - - /* On VxWorks, the relocation points to the .got.plt entry, - not the .plt entry. */ - rela.r_offset = (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset - + got_offset); - rela.r_addend = 0; - } - else - { - /* Fill in the entry in the procedure linkage table. */ - rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt, - h->plt.offset, splt->size, - &r_offset); - - rela.r_offset = r_offset - + (splt->output_section->vma + splt->output_offset); - if (! ABI_64_P (output_bfd) - || h->plt.offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)) - { - rela.r_addend = 0; - } - else - { - rela.r_addend = (-(h->plt.offset + 4) - - splt->output_section->vma - - splt->output_offset); - } - } - rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 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; -#ifdef BFD64 - if (ABI_64_P (output_bfd)) - { - loc += rela_index * sizeof (Elf64_External_Rela); - bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); - } - else -#endif - { - loc += rela_index * sizeof (Elf32_External_Rela); - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - } - - if (!h->def_regular) - { - /* 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->ref_regular_nonweak) - sym->st_value = 0; - } - } - - if (h->got.offset != (bfd_vma) -1 - && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD - && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE) - { - asection *sgot; - asection *srela; - Elf_Internal_Rela rela; - - /* This symbol has an entry in the GOT. Set it up. */ - - sgot = htab->sgot; - srela = htab->srelgot; - BFD_ASSERT (sgot != NULL && srela != NULL); - - rela.r_offset = (sgot->output_section->vma - + sgot->output_offset - + (h->got.offset &~ (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->def_regular) - { - asection *sec = h->root.u.def.section; - rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE); - rela.r_addend = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else - { - rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT); - rela.r_addend = 0; - } - - SPARC_ELF_PUT_WORD (htab, output_bfd, 0, - sgot->contents + (h->got.offset & ~(bfd_vma) 1)); - SPARC_ELF_APPEND_RELA (htab, output_bfd, srela, &rela); - } - - if (h->needs_copy) - { - asection *s; - Elf_Internal_Rela rela; - - /* 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 = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY); - rela.r_addend = 0; - SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &rela); - } - - /* Mark some specially defined symbols as absolute. On VxWorks, - _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the - ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */ - if (strcmp (h->root.root.string, "_DYNAMIC") == 0 - || (!htab->is_vxworks - && (h == htab->elf.hgot || h == htab->elf.hplt))) - sym->st_shndx = SHN_ABS; - - return TRUE; -} - -/* Finish up the dynamic sections. */ - -#ifdef BFD64 -static bfd_boolean -sparc64_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, - bfd *dynobj, asection *sdyn, - asection *splt ATTRIBUTE_UNUSED) -{ - Elf64_External_Dyn *dyncon, *dynconend; - int stt_regidx = -1; - - dyncon = (Elf64_External_Dyn *) sdyn->contents; - dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->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 - dyn.d_un.d_val = s->size; - } - bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); - } - } - return TRUE; -} -#endif - -static bfd_boolean -sparc32_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, - bfd *dynobj, asection *sdyn, - asection *splt ATTRIBUTE_UNUSED) -{ - Elf32_External_Dyn *dyncon, *dynconend; - struct _bfd_sparc_elf_link_hash_table *htab; - - htab = _bfd_sparc_elf_hash_table (info); - dyncon = (Elf32_External_Dyn *) sdyn->contents; - dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); - for (; dyncon < dynconend; dyncon++) - { - Elf_Internal_Dyn dyn; - const char *name; - bfd_boolean size; - - bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); - - if (htab->is_vxworks && dyn.d_tag == DT_RELASZ) - { - /* On VxWorks, DT_RELASZ should not include the relocations - in .rela.plt. */ - if (htab->srelplt) - { - dyn.d_un.d_val -= htab->srelplt->size; - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - } - } - else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT) - { - /* On VxWorks, DT_PLTGOT should point to the start of the GOT, - not to the start of the PLT. */ - if (htab->sgotplt) - { - dyn.d_un.d_val = (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset); - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - } - } - else - { - 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; - 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 - dyn.d_un.d_val = s->size; - } - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - } - } - } - return TRUE; -} - -/* Install the first PLT entry in a VxWorks executable and make sure that - .rela.plt.unloaded relocations have the correct symbol indexes. */ - -static void -sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - Elf_Internal_Rela rela; - bfd_vma got_base; - bfd_byte *loc; - - htab = _bfd_sparc_elf_hash_table (info); - - /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */ - got_base = (htab->elf.hgot->root.u.def.section->output_section->vma - + htab->elf.hgot->root.u.def.section->output_offset - + htab->elf.hgot->root.u.def.value); - - /* Install the initial PLT entry. */ - bfd_put_32 (output_bfd, - sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10), - htab->splt->contents); - bfd_put_32 (output_bfd, - sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff), - htab->splt->contents + 4); - bfd_put_32 (output_bfd, - sparc_vxworks_exec_plt0_entry[2], - htab->splt->contents + 8); - bfd_put_32 (output_bfd, - sparc_vxworks_exec_plt0_entry[3], - htab->splt->contents + 12); - bfd_put_32 (output_bfd, - sparc_vxworks_exec_plt0_entry[4], - htab->splt->contents + 16); - - loc = htab->srelplt2->contents; - - /* Add an unloaded relocation for the initial entry's "sethi". */ - rela.r_offset = (htab->splt->output_section->vma - + htab->splt->output_offset); - rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22); - rela.r_addend = 8; - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - loc += sizeof (Elf32_External_Rela); - - /* Likewise the following "or". */ - rela.r_offset += 4; - rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10); - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - loc += sizeof (Elf32_External_Rela); - - /* Fix up the remaining .rela.plt.unloaded relocations. They may have - the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order - in which symbols were output. */ - while (loc < htab->srelplt2->contents + htab->srelplt2->size) - { - Elf_Internal_Rela rel; - - /* The entry's initial "sethi" (against _G_O_T_). */ - bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); - rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22); - bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); - loc += sizeof (Elf32_External_Rela); - - /* The following "or" (also against _G_O_T_). */ - bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); - rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10); - bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); - loc += sizeof (Elf32_External_Rela); - - /* The .got.plt entry (against _P_L_T_). */ - bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); - rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32); - bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); - loc += sizeof (Elf32_External_Rela); - } -} - -/* Install the first PLT entry in a VxWorks shared object. */ - -static void -sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info) -{ - struct _bfd_sparc_elf_link_hash_table *htab; - unsigned int i; - - htab = _bfd_sparc_elf_hash_table (info); - for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++) - bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i], - htab->splt->contents + i * 4); -} - -bfd_boolean -_bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) -{ - bfd *dynobj; - asection *sdyn; - struct _bfd_sparc_elf_link_hash_table *htab; - - htab = _bfd_sparc_elf_hash_table (info); - dynobj = htab->elf.dynobj; - - sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); - - if (elf_hash_table (info)->dynamic_sections_created) - { - asection *splt; - bfd_boolean ret; - - splt = bfd_get_section_by_name (dynobj, ".plt"); - BFD_ASSERT (splt != NULL && sdyn != NULL); - -#ifdef BFD64 - if (ABI_64_P (output_bfd)) - ret = sparc64_finish_dyn (output_bfd, info, dynobj, sdyn, splt); - else -#endif - ret = sparc32_finish_dyn (output_bfd, info, dynobj, sdyn, splt); - - if (ret != TRUE) - return ret; - - /* Initialize the contents of the .plt section. */ - if (splt->size > 0) - { - if (htab->is_vxworks) - { - if (info->shared) - sparc_vxworks_finish_shared_plt (output_bfd, info); - else - sparc_vxworks_finish_exec_plt (output_bfd, info); - } - else - { - memset (splt->contents, 0, htab->plt_header_size); - if (!ABI_64_P (output_bfd)) - bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, - splt->contents + splt->size - 4); - } - } - - elf_section_data (splt->output_section)->this_hdr.sh_entsize - = htab->plt_entry_size; - } - - /* Set the first entry in the global offset table to the address of - the dynamic section. */ - if (htab->sgot && htab->sgot->size > 0) - { - bfd_vma val = (sdyn ? - sdyn->output_section->vma + sdyn->output_offset : - 0); - - SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->sgot->contents); - } - - if (htab->sgot) - elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = - SPARC_ELF_WORD_BYTES (htab); - - return TRUE; -} - - -/* Set the right machine number for a SPARC ELF file. */ - -bfd_boolean -_bfd_sparc_elf_object_p (bfd *abfd) -{ - if (ABI_64_P (abfd)) - { - 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); - } - else - { - if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS) - { - if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_v8plusb); - else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_v8plusa); - else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_v8plus); - else - return FALSE; - } - else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_sparclite_le); - else - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); - } -} - -/* Return address for Ith PLT stub in section PLT, for relocation REL - or (bfd_vma) -1 if it should not be included. */ - -bfd_vma -_bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel) -{ - if (ABI_64_P (plt->owner)) - { - bfd_vma j; - - i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE; - if (i < PLT64_LARGE_THRESHOLD) - return plt->vma + i * PLT64_ENTRY_SIZE; - - j = (i - PLT64_LARGE_THRESHOLD) % 160; - i -= j; - return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6; - } - else - return rel->address; -} |