X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf64-sparc.c;h=01b80cda4d5a6d043e5811fc7be2aa25c91a5557;hb=dfeffb9fe1d18c568b06be976da294b928753821;hp=46e777552f2aac9c5d42088a1aa3f662bafa9332;hpb=5cc7c785d2ba07dee567660fc970aa17da7c994d;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c index 46e777552f..01b80cda4d 100644 --- a/bfd/elf64-sparc.c +++ b/bfd/elf64-sparc.c @@ -1,27 +1,28 @@ /* SPARC-specific support for 64-bit ELF - Copyright (C) 1993, 95, 96, 97, 98, 99, 2000 - Free Software Foundation, Inc. + Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, + 2003, 2004 Free Software Foundation, Inc. -This file is part of BFD, the Binary File Descriptor library. + 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 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. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "bfd.h" #include "sysdep.h" #include "libbfd.h" #include "elf-bfd.h" +#include "opcode/sparc.h" /* This is defined if one wants to build upward compatible binaries with the original sparc64-elf toolchain. The support is kept in for @@ -34,50 +35,75 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define MINUS_ONE (~ (bfd_vma) 0) static struct bfd_link_hash_table * sparc64_elf_bfd_link_hash_table_create - PARAMS((bfd *)); + PARAMS ((bfd *)); +static bfd_reloc_status_type init_insn_reloc + PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, + bfd *, bfd_vma *, bfd_vma *)); static reloc_howto_type *sparc64_elf_reloc_type_lookup PARAMS ((bfd *, bfd_reloc_code_real_type)); static void sparc64_elf_info_to_howto PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); static void sparc64_elf_build_plt - PARAMS((bfd *, unsigned char *, int)); + PARAMS ((bfd *, unsigned char *, int)); static bfd_vma sparc64_elf_plt_entry_offset - PARAMS((int)); + PARAMS ((bfd_vma)); static bfd_vma sparc64_elf_plt_ptr_offset - PARAMS((int, int)); - -static boolean sparc64_elf_check_relocs - PARAMS((bfd *, struct bfd_link_info *, asection *sec, - const Elf_Internal_Rela *)); -static boolean sparc64_elf_adjust_dynamic_symbol - PARAMS((struct bfd_link_info *, struct elf_link_hash_entry *)); -static boolean sparc64_elf_size_dynamic_sections - PARAMS((bfd *, struct bfd_link_info *)); + PARAMS ((bfd_vma, bfd_vma)); + +static bfd_boolean sparc64_elf_check_relocs + PARAMS ((bfd *, struct bfd_link_info *, asection *sec, + const Elf_Internal_Rela *)); +static bfd_boolean sparc64_elf_adjust_dynamic_symbol + PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); +static bfd_boolean sparc64_elf_size_dynamic_sections + PARAMS ((bfd *, struct bfd_link_info *)); static int sparc64_elf_get_symbol_type PARAMS (( Elf_Internal_Sym *, int)); -static boolean sparc64_elf_add_symbol_hook - PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, - const char **, flagword *, asection **, bfd_vma *)); +static bfd_boolean sparc64_elf_add_symbol_hook + PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Sym *, + const char **, flagword *, asection **, bfd_vma *)); +static bfd_boolean sparc64_elf_output_arch_syms + PARAMS ((bfd *, struct bfd_link_info *, PTR, + bfd_boolean (*) (PTR, const char *, Elf_Internal_Sym *, + asection *, struct elf_link_hash_entry *))); static void sparc64_elf_symbol_processing PARAMS ((bfd *, asymbol *)); -static boolean sparc64_elf_merge_private_bfd_data +static bfd_boolean sparc64_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *)); -static boolean sparc64_elf_relocate_section +static bfd_boolean sparc64_elf_fake_sections + PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); + +static const char *sparc64_elf_print_symbol_all + PARAMS ((bfd *, PTR, asymbol *)); +static bfd_boolean sparc64_elf_new_section_hook + PARAMS ((bfd *, asection *)); +static bfd_boolean sparc64_elf_relax_section + PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *)); +static bfd_boolean sparc64_elf_relocate_section PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); -static boolean sparc64_elf_object_p PARAMS ((bfd *)); +static bfd_boolean sparc64_elf_finish_dynamic_symbol + PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, + Elf_Internal_Sym *)); +static bfd_boolean sparc64_elf_finish_dynamic_sections + PARAMS ((bfd *, struct bfd_link_info *)); +static bfd_boolean sparc64_elf_object_p PARAMS ((bfd *)); static long sparc64_elf_get_reloc_upper_bound PARAMS ((bfd *, asection *)); static long sparc64_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); -static boolean sparc64_elf_slurp_one_reloc_table - PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, asymbol **, boolean)); -static boolean sparc64_elf_slurp_reloc_table - PARAMS ((bfd *, asection *, asymbol **, boolean)); +static bfd_boolean sparc64_elf_slurp_one_reloc_table + PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, asymbol **, bfd_boolean)); +static bfd_boolean sparc64_elf_slurp_reloc_table + PARAMS ((bfd *, asection *, asymbol **, bfd_boolean)); +static long sparc64_elf_canonicalize_reloc + PARAMS ((bfd *, asection *, arelent **, asymbol **)); static long sparc64_elf_canonicalize_dynamic_reloc PARAMS ((bfd *, arelent **, asymbol **)); static void sparc64_elf_write_relocs PARAMS ((bfd *, asection *, PTR)); +static enum elf_reloc_type_class sparc64_elf_reloc_type_class + PARAMS ((const Elf_Internal_Rela *)); /* The relocation "howto" table. */ @@ -92,65 +118,89 @@ static bfd_reloc_status_type sparc_elf_lox10_reloc static reloc_howto_type sparc64_elf_howto_table[] = { - HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true), - HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", false,0,0x000000ff,true), - HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", false,0,0x0000ffff,true), - HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", false,0,0xffffffff,true), - HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", false,0,0x000000ff,true), - HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", false,0,0x0000ffff,true), - HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", false,0,0x00ffffff,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, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0x00000000,true), + HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE), + HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE), + HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE), + HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE), + HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE), + HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE), + HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE), + HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE), + HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE), + HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE), + HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE), #ifndef SPARC64_OLD_RELOCS + HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE), /* These aren't implemented yet. */ - HOWTO(R_SPARC_PLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PLT32", false,0,0x00000000,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_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE), #endif - HOWTO(R_SPARC_10, 0,2,10,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", false,0,0x000003ff,true), - HOWTO(R_SPARC_11, 0,2,11,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", false,0,0x000007ff,true), - HOWTO(R_SPARC_64, 0,4,64,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", false,0,MINUS_ONE, true), - HOWTO(R_SPARC_OLO10, 0,2,13,false,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", false,0,0x00001fff,true), - HOWTO(R_SPARC_HH22, 42,2,22,false,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", false,0,0x003fffff,true), - HOWTO(R_SPARC_HM10, 32,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", false,0,0x000003ff,true), - HOWTO(R_SPARC_LM22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", false,0,0x003fffff,true), - HOWTO(R_SPARC_PC_HH22, 42,2,22,true, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", false,0,0x003fffff,true), - HOWTO(R_SPARC_PC_HM10, 32,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", false,0,0x000003ff,true), - HOWTO(R_SPARC_PC_LM22, 10,2,22,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", false,0,0x003fffff,true), - HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", false,0,0x00000000,true), - HOWTO(R_SPARC_WDISP19, 2,2,19,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", false,0,0x0007ffff,true), - HOWTO(R_SPARC_UNUSED_42, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",false,0,0x00000000,true), - HOWTO(R_SPARC_7, 0,2, 7,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", false,0,0x0000007f,true), - HOWTO(R_SPARC_5, 0,2, 5,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", false,0,0x0000001f,true), - HOWTO(R_SPARC_6, 0,2, 6,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", false,0,0x0000003f,true), - HOWTO(R_SPARC_DISP64, 0,4,64,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", false,0,MINUS_ONE, true), - HOWTO(R_SPARC_PLT64, 0,4,64,false,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_PLT64", false,0,MINUS_ONE, false), - 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_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE), + HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE), + HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE), + HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE), + HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE), + HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE), + HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE), + HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE), + HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE), + HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE), + HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE), + HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE), + HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE), + HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE), + HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE), + HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE), + HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE), + HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE), + HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE), + HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE), + HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE), + HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE), + HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE), + HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE), + HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE), + HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE) }; struct elf_reloc_map { @@ -158,10 +208,11 @@ struct elf_reloc_map { unsigned char elf_reloc_val; }; -static CONST struct elf_reloc_map sparc_reloc_map[] = +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 }, @@ -170,6 +221,7 @@ static CONST struct elf_reloc_map sparc_reloc_map[] = { 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 }, @@ -183,36 +235,64 @@ static CONST struct elf_reloc_map sparc_reloc_map[] = { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT }, { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE }, { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 }, - /* ??? Doesn't dwarf use this? */ -/*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */ - {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_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_SPARC_UA16, R_SPARC_UA16 }, + { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, + { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 }, + { BFD_RELOC_SPARC_10, R_SPARC_10 }, + { BFD_RELOC_SPARC_11, R_SPARC_11 }, + { BFD_RELOC_SPARC_64, R_SPARC_64 }, + { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 }, + { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 }, + { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 }, + { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 }, + { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 }, + { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 }, + { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 }, + { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 }, + { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 }, + { BFD_RELOC_SPARC_7, R_SPARC_7 }, + { BFD_RELOC_SPARC_5, R_SPARC_5 }, + { BFD_RELOC_SPARC_6, R_SPARC_6 }, + { BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 }, + { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 }, + { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 }, + { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD }, + { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL }, + { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 }, + { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 }, + { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD }, + { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL }, + { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 }, + { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 }, + { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD }, + { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 }, + { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 }, + { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD }, + { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX }, + { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD }, + { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 }, + { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 }, + { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 }, + { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 }, + { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 }, + { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 }, + { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 }, + { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 }, +#ifndef SPARC64_OLD_RELOCS + { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 }, +#endif + { BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64 }, + { BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22 }, + { BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10 }, + { BFD_RELOC_SPARC_H44, R_SPARC_H44 }, + { BFD_RELOC_SPARC_M44, R_SPARC_M44 }, + { BFD_RELOC_SPARC_L44, R_SPARC_L44 }, + { BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER } }; static reloc_howto_type * sparc64_elf_reloc_type_lookup (abfd, code) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; bfd_reloc_code_real_type code; { unsigned int i; @@ -226,21 +306,32 @@ sparc64_elf_reloc_type_lookup (abfd, code) static void sparc64_elf_info_to_howto (abfd, cache_ptr, dst) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; arelent *cache_ptr; - Elf64_Internal_Rela *dst; + Elf_Internal_Rela *dst; { BFD_ASSERT (ELF64_R_TYPE_ID (dst->r_info) < (unsigned int) R_SPARC_max_std); cache_ptr->howto = &sparc64_elf_howto_table[ELF64_R_TYPE_ID (dst->r_info)]; } +struct sparc64_elf_section_data +{ + struct bfd_elf_section_data elf; + unsigned int do_relax, reloc_count; +}; + +#define sec_do_relax(sec) \ + ((struct sparc64_elf_section_data *) elf_section_data (sec))->do_relax +#define canon_reloc_count(sec) \ + ((struct sparc64_elf_section_data *) elf_section_data (sec))->reloc_count + /* Due to the way how we handle R_SPARC_OLO10, each entry in a SHT_RELA section can represent up to two relocs, we must tell the user to allocate more space. */ - + static long sparc64_elf_get_reloc_upper_bound (abfd, sec) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; asection *sec; { return (sec->reloc_count * 2 + 1) * sizeof (arelent *); @@ -253,20 +344,19 @@ sparc64_elf_get_dynamic_reloc_upper_bound (abfd) return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 2; } -/* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of +/* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of them. We cannot use generic elf routines for this, because R_SPARC_OLO10 has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations for the same location, R_SPARC_LO10 and R_SPARC_13. */ -static boolean +static bfd_boolean sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic) bfd *abfd; asection *asect; Elf_Internal_Shdr *rel_hdr; asymbol **symbols; - boolean dynamic; + bfd_boolean dynamic; { - struct elf_backend_data * const ebd = get_elf_backend_data (abfd); PTR allocated = NULL; bfd_byte *native_relocs; arelent *relent; @@ -275,22 +365,21 @@ sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic) bfd_size_type count; arelent *relents; - allocated = (PTR) bfd_malloc ((size_t) rel_hdr->sh_size); + allocated = (PTR) bfd_malloc (rel_hdr->sh_size); if (allocated == NULL) goto error_return; if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 - || (bfd_read (allocated, 1, rel_hdr->sh_size, abfd) - != rel_hdr->sh_size)) + || bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size) goto error_return; native_relocs = (bfd_byte *) allocated; - relents = asect->relocation + asect->reloc_count; + relents = asect->relocation + canon_reloc_count (asect); entsize = rel_hdr->sh_entsize; BFD_ASSERT (entsize == sizeof (Elf64_External_Rela)); - + count = rel_hdr->sh_size / entsize; for (i = 0, relent = relents; i < count; @@ -298,7 +387,7 @@ sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic) { Elf_Internal_Rela rela; - bfd_elf64_swap_reloca_in (abfd, (Elf64_External_Rela *) native_relocs, &rela); + bfd_elf64_swap_reloca_in (abfd, native_relocs, &rela); /* The address of an ELF reloc is section relative for an object file, and absolute for an executable file or shared library. @@ -341,40 +430,41 @@ sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic) relent->howto = &sparc64_elf_howto_table[ELF64_R_TYPE_ID (rela.r_info)]; } - asect->reloc_count += relent - relents; + canon_reloc_count (asect) += relent - relents; if (allocated != NULL) free (allocated); - return true; + return TRUE; error_return: if (allocated != NULL) free (allocated); - return false; + return FALSE; } /* Read in and swap the external relocs. */ -static boolean +static bfd_boolean sparc64_elf_slurp_reloc_table (abfd, asect, symbols, dynamic) bfd *abfd; asection *asect; asymbol **symbols; - boolean dynamic; + bfd_boolean dynamic; { struct bfd_elf_section_data * const d = elf_section_data (asect); Elf_Internal_Shdr *rel_hdr; Elf_Internal_Shdr *rel_hdr2; + bfd_size_type amt; if (asect->relocation != NULL) - return true; + return TRUE; if (! dynamic) { if ((asect->flags & SEC_RELOC) == 0 || asect->reloc_count == 0) - return true; + return TRUE; rel_hdr = &d->rel_hdr; rel_hdr2 = d->rel_hdr2; @@ -388,35 +478,62 @@ sparc64_elf_slurp_reloc_table (abfd, asect, symbols, dynamic) case because relocations against this section may use the dynamic symbol table, and in that case bfd_section_from_shdr in elf.c does not update the RELOC_COUNT. */ - if (asect->_raw_size == 0) - return true; + if (asect->size == 0) + return TRUE; rel_hdr = &d->this_hdr; - asect->reloc_count = rel_hdr->sh_size / rel_hdr->sh_entsize; + asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); rel_hdr2 = NULL; } - asect->relocation = ((arelent *) - bfd_alloc (abfd, - asect->reloc_count * 2 * sizeof (arelent))); + amt = asect->reloc_count; + amt *= 2 * sizeof (arelent); + asect->relocation = (arelent *) bfd_alloc (abfd, amt); if (asect->relocation == NULL) - return false; + return FALSE; + + /* The sparc64_elf_slurp_one_reloc_table routine increments + canon_reloc_count. */ + canon_reloc_count (asect) = 0; - /* The sparc64_elf_slurp_one_reloc_table routine increments reloc_count. */ - asect->reloc_count = 0; - if (!sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, dynamic)) - return false; - - if (rel_hdr2 + return FALSE; + + if (rel_hdr2 && !sparc64_elf_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, dynamic)) - return false; + return FALSE; - return true; + return TRUE; } +/* Canonicalize the relocs. */ + +static long +sparc64_elf_canonicalize_reloc (abfd, section, relptr, symbols) + bfd *abfd; + sec_ptr section; + arelent **relptr; + asymbol **symbols; +{ + arelent *tblptr; + unsigned int i; + const struct elf_backend_data *bed = get_elf_backend_data (abfd); + + if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) + return -1; + + tblptr = section->relocation; + for (i = 0; i < canon_reloc_count (section); i++) + *relptr++ = tblptr++; + + *relptr = NULL; + + return canon_reloc_count (section); +} + + /* Canonicalize the dynamic relocation entries. Note that we return the dynamic relocations as a single block, although they are actually associated with particular sections; the interface, which @@ -450,9 +567,9 @@ sparc64_elf_canonicalize_dynamic_reloc (abfd, storage, syms) arelent *p; long count, i; - if (! sparc64_elf_slurp_reloc_table (abfd, s, syms, true)) + if (! sparc64_elf_slurp_reloc_table (abfd, s, syms, TRUE)) return -1; - count = s->reloc_count; + count = canon_reloc_count (s); p = s->relocation; for (i = 0; i < count; i++) *storage++ = p++; @@ -473,7 +590,7 @@ sparc64_elf_write_relocs (abfd, sec, data) asection *sec; PTR data; { - boolean *failedp = (boolean *) data; + bfd_boolean *failedp = (bfd_boolean *) data; Elf_Internal_Shdr *rela_hdr; Elf64_External_Rela *outbound_relocas, *src_rela; unsigned int idx, count; @@ -501,7 +618,6 @@ sparc64_elf_write_relocs (abfd, sec, data) for (idx = 0; idx < sec->reloc_count; idx++) { bfd_vma addr; - unsigned int i; ++count; @@ -525,7 +641,7 @@ sparc64_elf_write_relocs (abfd, sec, data) rela_hdr->contents = (PTR) bfd_alloc (abfd, rela_hdr->sh_size); if (rela_hdr->contents == NULL) { - *failedp = true; + *failedp = TRUE; return; } @@ -533,7 +649,7 @@ sparc64_elf_write_relocs (abfd, sec, data) if (rela_hdr->sh_type != SHT_RELA) abort (); - /* orelocation has the data, reloc_count has the count... */ + /* orelocation has the data, reloc_count has the count... */ outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; src_rela = outbound_relocas; @@ -565,7 +681,7 @@ sparc64_elf_write_relocs (abfd, sec, data) n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); if (n < 0) { - *failedp = true; + *failedp = TRUE; return; } last_sym_idx = n; @@ -575,7 +691,7 @@ sparc64_elf_write_relocs (abfd, sec, data) && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec && ! _bfd_elf_validate_reloc (abfd, ptr)) { - *failedp = true; + *failedp = TRUE; return; } @@ -601,7 +717,7 @@ sparc64_elf_write_relocs (abfd, sec, data) dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); dst_rela.r_addend = ptr->addend; - bfd_elf64_swap_reloca_out (abfd, &dst_rela, src_rela); + bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); ++src_rela; } } @@ -627,7 +743,7 @@ struct sparc64_elf_link_hash_table #define sparc64_elf_hash_table(p) \ ((struct sparc64_elf_link_hash_table *) ((p)->hash)) - + /* Create a Sparc64 ELF linker hash table. */ static struct bfd_link_hash_table * @@ -635,22 +751,21 @@ sparc64_elf_bfd_link_hash_table_create (abfd) bfd *abfd; { struct sparc64_elf_link_hash_table *ret; + bfd_size_type amt = sizeof (struct sparc64_elf_link_hash_table); - ret = ((struct sparc64_elf_link_hash_table *) - bfd_zalloc (abfd, sizeof (struct sparc64_elf_link_hash_table))); + ret = (struct sparc64_elf_link_hash_table *) bfd_zmalloc (amt); if (ret == (struct sparc64_elf_link_hash_table *) NULL) return NULL; if (! _bfd_elf_link_hash_table_init (&ret->root, abfd, _bfd_elf_link_hash_newfunc)) { - bfd_release (abfd, ret); + free (ret); return NULL; } return &ret->root.root; } - /* Utility for performing the standard initial work of an instruction relocation. @@ -690,11 +805,11 @@ init_insn_reloc (abfd, return bfd_reloc_ok; } - /* This works because partial_inplace == false. */ + /* This works because partial_inplace is FALSE. */ if (output_bfd != NULL) return bfd_reloc_continue; - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; relocation = (symbol->value @@ -723,13 +838,13 @@ sparc_elf_notsup_reloc (abfd, input_section, output_bfd, error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; + bfd *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; } @@ -745,7 +860,7 @@ sparc_elf_wdisp16_reloc (abfd, reloc_entry, symbol, data, input_section, PTR data; asection *input_section; bfd *output_bfd; - char **error_message; + char **error_message ATTRIBUTE_UNUSED; { bfd_vma relocation; bfd_vma insn; @@ -756,8 +871,8 @@ sparc_elf_wdisp16_reloc (abfd, reloc_entry, symbol, data, input_section, if (status != bfd_reloc_other) return status; - insn = (insn & ~0x303fff) | ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); + 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 @@ -783,7 +898,7 @@ sparc_elf_hix22_reloc (abfd, PTR data; asection *input_section; bfd *output_bfd; - char **error_message; + char **error_message ATTRIBUTE_UNUSED; { bfd_vma relocation; bfd_vma insn; @@ -795,7 +910,7 @@ sparc_elf_hix22_reloc (abfd, return status; relocation ^= MINUS_ONE; - insn = (insn & ~0x3fffff) | ((relocation >> 10) & 0x3fffff); + 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) @@ -820,7 +935,7 @@ sparc_elf_lox10_reloc (abfd, PTR data; asection *input_section; bfd *output_bfd; - char **error_message; + char **error_message ATTRIBUTE_UNUSED; { bfd_vma relocation; bfd_vma insn; @@ -831,7 +946,7 @@ sparc_elf_lox10_reloc (abfd, if (status != bfd_reloc_other) return status; - insn = (insn & ~0x1fff) | 0x1c00 | (relocation & 0x3ff); + insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff); bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); return bfd_reloc_ok; @@ -847,7 +962,6 @@ sparc_elf_lox10_reloc (abfd, #define ELF_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1" - /* Fill in the .plt section. */ static void @@ -858,12 +972,12 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) { const unsigned int nop = 0x01000000; int i, j; - + /* The first four entries are reserved, and are initially undefined. We fill them with `illtrap 0' to force ld.so to do something. */ for (i = 0; i < PLT_HEADER_SIZE/4; ++i) - bfd_put_32 (output_bfd, 0, contents+i*4); + bfd_put_32 (output_bfd, (bfd_vma) 0, contents+i*4); /* The first 32768 entries are close enough to plt1 to get there via a straight branch. */ @@ -879,20 +993,20 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) /* ba,a,pt %xcc, plt1 */ ba = 0x30680000 | (((contents+PLT_ENTRY_SIZE) - (entry+4)) / 4 & 0x7ffff); - bfd_put_32 (output_bfd, sethi, entry); - bfd_put_32 (output_bfd, ba, entry+4); - bfd_put_32 (output_bfd, nop, entry+8); - bfd_put_32 (output_bfd, nop, entry+12); - bfd_put_32 (output_bfd, nop, entry+16); - bfd_put_32 (output_bfd, nop, entry+20); - bfd_put_32 (output_bfd, nop, entry+24); - bfd_put_32 (output_bfd, nop, entry+28); + bfd_put_32 (output_bfd, (bfd_vma) sethi, entry); + bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28); } /* Now the tricky bit. Entries 32768 and higher are grouped in blocks of 160: 160 entries and 160 pointers. This is to separate code from data, which is much friendlier on the cache. */ - + for (; i < nentries; i += 160) { int block = (i + 160 <= nentries ? 160 : nentries - i); @@ -904,17 +1018,23 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) entry = contents + i*PLT_ENTRY_SIZE + j*4*6; ptr = contents + i*PLT_ENTRY_SIZE + block*4*6 + j*8; - /* ldx [%o7 + ptr - entry+4], %g1 */ - ldx = 0xc25be000 | ((ptr - entry+4) & 0x1fff); - - bfd_put_32 (output_bfd, 0x8a10000f, entry); /* mov %o7,%g5 */ - bfd_put_32 (output_bfd, 0x40000002, entry+4); /* call .+8 */ - bfd_put_32 (output_bfd, nop, entry+8); /* nop */ - bfd_put_32 (output_bfd, ldx, entry+12); /* ldx [%o7+P],%g1 */ - bfd_put_32 (output_bfd, 0x83c3c001, entry+16); /* jmpl %o7+%g1,%g1 */ - bfd_put_32 (output_bfd, 0x9e100005, entry+20); /* mov %g5,%o7 */ - - bfd_put_64 (output_bfd, contents - (entry+4), ptr); + /* ldx [%o7 + ptr - (entry+4)], %g1 */ + ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff); + + /* mov %o7,%g5 + call .+8 + nop + ldx [%o7+P],%g1 + jmpl %o7+%g1,%g1 + mov %g5,%o7 */ + bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry); + bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4); + bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8); + bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12); + bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16); + bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20); + + bfd_put_64 (output_bfd, (bfd_vma) (contents - (entry + 4)), ptr); } } } @@ -923,9 +1043,9 @@ sparc64_elf_build_plt (output_bfd, contents, nentries) static bfd_vma sparc64_elf_plt_entry_offset (index) - int index; + bfd_vma index; { - int block, ofs; + bfd_vma block, ofs; if (index < LARGE_PLT_THRESHOLD) return index * PLT_ENTRY_SIZE; @@ -935,22 +1055,21 @@ sparc64_elf_plt_entry_offset (index) block = (index - LARGE_PLT_THRESHOLD) / 160; ofs = (index - LARGE_PLT_THRESHOLD) % 160; - return ((bfd_vma)(LARGE_PLT_THRESHOLD + block*160) * PLT_ENTRY_SIZE - + ofs * 6*4); + return (LARGE_PLT_THRESHOLD + block * 160) * PLT_ENTRY_SIZE + ofs * 6 * 4; } static bfd_vma sparc64_elf_plt_ptr_offset (index, max) - int index, max; + bfd_vma index; + bfd_vma max; { - int block, ofs, last; + bfd_vma block, ofs, last; BFD_ASSERT(index >= LARGE_PLT_THRESHOLD); /* See above for details. */ - block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160) - + LARGE_PLT_THRESHOLD; + block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160) + LARGE_PLT_THRESHOLD; ofs = index - block; if (block + 160 > max) last = (max - LARGE_PLT_THRESHOLD) % 160; @@ -961,14 +1080,12 @@ sparc64_elf_plt_ptr_offset (index, max) + last * 6*4 + ofs * 8); } - - /* Look through the relocs for a section during the first phase, and allocate space in the global offset table or procedure linkage table. */ -static boolean +static bfd_boolean sparc64_elf_check_relocs (abfd, info, sec, relocs) bfd *abfd; struct bfd_link_info *info; @@ -985,8 +1102,8 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) asection *srelgot; asection *sreloc; - if (info->relocateable || !(sec->flags & SEC_ALLOC)) - return true; + if (info->relocatable || !(sec->flags & SEC_ALLOC)) + return TRUE; dynobj = elf_hash_table (info)->dynobj; symtab_hdr = &elf_tdata (abfd)->symtab_hdr; @@ -997,7 +1114,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) srelgot = NULL; sreloc = NULL; - rel_end = relocs + sec->reloc_count; + rel_end = relocs + NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr); for (rel = relocs; rel < rel_end; rel++) { unsigned long r_symndx; @@ -1021,7 +1138,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) /* Create the .got section. */ elf_hash_table (info)->dynobj = dynobj = abfd; if (! _bfd_elf_create_got_section (dynobj, info)) - return false; + return FALSE; } if (sgot == NULL) @@ -1045,7 +1162,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) | SEC_LINKER_CREATED | SEC_READONLY)) || ! bfd_set_section_alignment (dynobj, srelgot, 3)) - return false; + return FALSE; } } @@ -1056,16 +1173,16 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) /* We have already allocated space in the .got. */ break; } - h->got.offset = sgot->_raw_size; + h->got.offset = sgot->size; /* Make sure this symbol is output as a dynamic symbol. */ if (h->dynindx == -1) { - if (! bfd_elf64_link_record_dynamic_symbol (info, h)) - return false; + if (! bfd_elf_link_record_dynamic_symbol (info, h)) + return FALSE; } - srelgot->_raw_size += sizeof (Elf64_External_Rela); + srelgot->size += sizeof (Elf64_External_Rela); } else { @@ -1073,13 +1190,14 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) symbol. */ if (local_got_offsets == NULL) { - size_t size; + bfd_size_type size; register unsigned int i; - size = symtab_hdr->sh_info * sizeof (bfd_vma); + size = symtab_hdr->sh_info; + size *= sizeof (bfd_vma); local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); if (local_got_offsets == NULL) - return false; + return FALSE; elf_local_got_offsets (abfd) = local_got_offsets; for (i = 0; i < symtab_hdr->sh_info; i++) local_got_offsets[i] = (bfd_vma) -1; @@ -1089,18 +1207,18 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) /* We have already allocated space in the .got. */ break; } - local_got_offsets[r_symndx] = sgot->_raw_size; + local_got_offsets[r_symndx] = sgot->size; if (info->shared) { /* If we are generating a shared object, we need to output a R_SPARC_RELATIVE reloc so that the dynamic linker can adjust this GOT entry. */ - srelgot->_raw_size += sizeof (Elf64_External_Rela); + srelgot->size += sizeof (Elf64_External_Rela); } } - sgot->_raw_size += 8; + sgot->size += 8; #if 0 /* Doesn't work for 64-bit -fPIC, since sethi/or builds @@ -1111,7 +1229,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) /* If the .got section is more than 0x1000 bytes, we add 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13 bit relocations have a greater chance of working. */ - if (sgot->_raw_size >= 0x1000 + if (sgot->size >= 0x1000 && elf_hash_table (info)->hgot->root.u.def.value == 0) elf_hash_table (info)->hgot->root.u.def.value = 0x1000; #endif @@ -1137,19 +1255,21 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) /* 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; + return FALSE; } /* Make sure this symbol is output as a dynamic symbol. */ if (h->dynindx == -1) { - if (! bfd_elf64_link_record_dynamic_symbol (info, h)) - return false; + if (! bfd_elf_link_record_dynamic_symbol (info, h)) + return FALSE; } - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; - break; - + h->needs_plt = 1; + if (ELF64_R_TYPE_ID (rel->r_info) != R_SPARC_PLT32 + && ELF64_R_TYPE_ID (rel->r_info) != R_SPARC_PLT64) + break; + /* Fall through. */ case R_SPARC_PC10: case R_SPARC_PC22: case R_SPARC_PC_HH22: @@ -1197,7 +1317,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) case R_SPARC_UA16: /* When creating a shared object, we must copy these relocs into the output file. We create a reloc section in - dynobj and make room for the reloc. + dynobj and make room for the reloc. But don't do this for debugging sections -- this shows up with DWARF2 -- first because they are not loaded, and @@ -1214,7 +1334,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) elf_elfheader (abfd)->e_shstrndx, elf_section_data (sec)->rel_hdr.sh_name)); if (name == NULL) - return false; + return FALSE; BFD_ASSERT (strncmp (name, ".rela", 5) == 0 && strcmp (bfd_get_section_name (abfd, sec), @@ -1233,11 +1353,13 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) if (sreloc == NULL || ! bfd_set_section_flags (dynobj, sreloc, flags) || ! bfd_set_section_alignment (dynobj, sreloc, 3)) - return false; + return FALSE; } + if (sec->flags & SEC_READONLY) + info->flags |= DF_TEXTREL; } - sreloc->_raw_size += sizeof (Elf64_External_Rela); + sreloc->size += sizeof (Elf64_External_Rela); } break; @@ -1246,36 +1368,35 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) break; default: - (*_bfd_error_handler)(_("%s: check_relocs: unhandled reloc type %d"), - bfd_get_filename(abfd), - ELF64_R_TYPE_ID (rel->r_info)); - return false; + (*_bfd_error_handler) (_("%B: check_relocs: unhandled reloc type %d"), + abfd, ELF64_R_TYPE_ID (rel->r_info)); + return FALSE; } } - return true; + return TRUE; } /* Hook called by the linker routine which adds symbols from an object file. We use it for STT_REGISTER symbols. */ -static boolean +static bfd_boolean sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) bfd *abfd; struct bfd_link_info *info; - const Elf_Internal_Sym *sym; + Elf_Internal_Sym *sym; const char **namep; - flagword *flagsp; - asection **secp; - bfd_vma *valp; + flagword *flagsp ATTRIBUTE_UNUSED; + asection **secp ATTRIBUTE_UNUSED; + bfd_vma *valp ATTRIBUTE_UNUSED; { - static char *stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; + static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) { int reg; struct sparc64_elf_app_reg *p; - + reg = (int)sym->st_value; switch (reg & ~1) { @@ -1283,9 +1404,9 @@ sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) case 6: reg -= 4; break; default: (*_bfd_error_handler) - (_("%s: Only registers %%g[2367] can be declared using STT_REGISTER"), - bfd_get_filename (abfd)); - return false; + (_("%B: Only registers %%g[2367] can be declared using STT_REGISTER"), + abfd); + return FALSE; } if (info->hash->creator != abfd->xvec @@ -1295,7 +1416,7 @@ sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) If STT_REGISTER comes from a dynamic object, don't put it into the output bfd. The dynamic linker will recheck it. */ *namep = NULL; - return true; + return TRUE; } p = sparc64_elf_hash_table(info)->app_regs + reg; @@ -1303,12 +1424,11 @@ sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) if (p->name != NULL && strcmp (p->name, *namep)) { (*_bfd_error_handler) - (_("Register %%g%d used incompatibly: " - "previously declared in %s to %s, in %s redefined to %s"), - (int)sym->st_value, - bfd_get_filename (p->abfd), *p->name ? p->name : "#scratch", - bfd_get_filename (abfd), **namep ? *namep : "#scratch"); - return false; + (_("Register %%g%d used incompatibly: %s in %B, previously %s in %B"), + abfd, p->abfd, (int) sym->st_value, + **namep ? *namep : "#scratch", + *p->name ? p->name : "#scratch"); + return FALSE; } if (p->name == NULL) @@ -1316,26 +1436,26 @@ sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) if (**namep) { struct elf_link_hash_entry *h; - + h = (struct elf_link_hash_entry *) - bfd_link_hash_lookup (info->hash, *namep, false, false, false); + bfd_link_hash_lookup (info->hash, *namep, FALSE, FALSE, FALSE); if (h != NULL) { unsigned char type = h->type; - if (type > STT_FUNC) type = 0; + if (type > STT_FUNC) + type = 0; (*_bfd_error_handler) - (_("Symbol `%s' has differing types: " - "previously %s, REGISTER in %s"), - *namep, stt_types [type], bfd_get_filename (abfd)); - return false; + (_("Symbol `%s' has differing types: REGISTER in %B, previously %s in %B"), + abfd, p->abfd, *namep, stt_types[type]); + return FALSE; } p->name = bfd_hash_allocate (&info->hash->table, strlen (*namep) + 1); if (!p->name) - return false; + return FALSE; strcpy (p->name, *namep); } @@ -1355,11 +1475,10 @@ sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) } } *namep = NULL; - return true; + return TRUE; } - else if (! *namep || ! **namep) - return true; - else + else if (*namep && **namep + && info->hash->creator == abfd->xvec) { int i; struct sparc64_elf_app_reg *p; @@ -1370,28 +1489,28 @@ sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) { unsigned char type = ELF_ST_TYPE (sym->st_info); - if (type > STT_FUNC) type = 0; + if (type > STT_FUNC) + type = 0; (*_bfd_error_handler) - (_("Symbol `%s' has differing types: " - "REGISTER in %s, %s in %s"), - *namep, bfd_get_filename (p->abfd), stt_types [type], - bfd_get_filename (abfd)); - return false; + (_("Symbol `%s' has differing types: %s in %B, previously REGISTER in %B"), + abfd, p->abfd, *namep, stt_types[type]); + return FALSE; } } - return true; + return TRUE; } -/* This function takes care of emiting STT_REGISTER symbols +/* This function takes care of emitting STT_REGISTER symbols which we cannot easily keep in the symbol hash table. */ -static boolean +static bfd_boolean sparc64_elf_output_arch_syms (output_bfd, info, finfo, func) - bfd *output_bfd; + bfd *output_bfd ATTRIBUTE_UNUSED; struct bfd_link_info *info; PTR finfo; - boolean (*func) PARAMS ((PTR, const char *, - Elf_Internal_Sym *, asection *)); + bfd_boolean (*func) + PARAMS ((PTR, const char *, Elf_Internal_Sym *, asection *, + struct elf_link_hash_entry *)); { int reg; struct sparc64_elf_app_reg *app_regs = @@ -1419,7 +1538,7 @@ sparc64_elf_output_arch_syms (output_bfd, info, finfo, func) } if (info->strip == strip_all) - return true; + return TRUE; for (reg = 0; reg < 4; reg++) if (app_regs [reg].name != NULL) @@ -1427,7 +1546,7 @@ sparc64_elf_output_arch_syms (output_bfd, info, finfo, func) if (info->strip == strip_some && bfd_hash_lookup (info->keep_hash, app_regs [reg].name, - false, false) == NULL) + FALSE, FALSE) == NULL) continue; sym.st_value = reg < 2 ? reg + 2 : reg + 4; @@ -1437,11 +1556,12 @@ sparc64_elf_output_arch_syms (output_bfd, info, finfo, func) sym.st_shndx = app_regs [reg].shndx; if (! (*func) (finfo, app_regs [reg].name, &sym, sym.st_shndx == SHN_ABS - ? bfd_abs_section_ptr : bfd_und_section_ptr)) - return false; + ? bfd_abs_section_ptr : bfd_und_section_ptr, + NULL)) + return FALSE; } - return true; + return TRUE; } static int @@ -1460,7 +1580,7 @@ sparc64_elf_get_symbol_type (elf_sym, type) static void sparc64_elf_symbol_processing (abfd, asym) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; asymbol *asym; { elf_symbol_type *elfsym; @@ -1479,7 +1599,7 @@ sparc64_elf_symbol_processing (abfd, asym) change the definition to something the rest of the link can understand. */ -static boolean +static bfd_boolean sparc64_elf_adjust_dynamic_symbol (info, h) struct bfd_link_info *info; struct elf_link_hash_entry *h; @@ -1492,14 +1612,11 @@ sparc64_elf_adjust_dynamic_symbol (info, h) /* Make sure we know what is going on here. */ BFD_ASSERT (dynobj != NULL - && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) - || h->weakdef != NULL - || ((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_REF_REGULAR) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))); + && (h->needs_plt + || h->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 @@ -1509,7 +1626,7 @@ sparc64_elf_adjust_dynamic_symbol (info, h) some of their functions as STT_NOTYPE when they really should be STT_FUNC. */ if (h->type == STT_FUNC - || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0 + || h->needs_plt || (h->type == STT_NOTYPE && (h->root.type == bfd_link_hash_defined || h->root.type == bfd_link_hash_defweak) @@ -1522,16 +1639,19 @@ sparc64_elf_adjust_dynamic_symbol (info, h) In such a case, we don't actually need to build a procedure linkage table, and we can just do a WDISP30 reloc instead. */ - BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0); - return true; + BFD_ASSERT (h->needs_plt); + return TRUE; } s = bfd_get_section_by_name (dynobj, ".plt"); BFD_ASSERT (s != NULL); /* The first four bit in .plt is reserved. */ - if (s->_raw_size == 0) - s->_raw_size = PLT_HEADER_SIZE; + if (s->size == 0) + s->size = PLT_HEADER_SIZE; + + /* To simplify matters later, just store the plt index here. */ + h->plt.offset = s->size / PLT_ENTRY_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 @@ -1539,52 +1659,43 @@ sparc64_elf_adjust_dynamic_symbol (info, h) pointers compare as equal between the normal executable and the shared library. */ if (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) + && !h->def_regular) { h->root.u.def.section = s; - h->root.u.def.value = s->_raw_size; + h->root.u.def.value = sparc64_elf_plt_entry_offset (h->plt.offset); } - /* To simplify matters later, just store the plt index here. */ - h->plt.offset = s->_raw_size / PLT_ENTRY_SIZE; - /* Make room for this entry. */ - s->_raw_size += PLT_ENTRY_SIZE; + s->size += PLT_ENTRY_SIZE; /* We also need to make an entry in the .rela.plt section. */ s = bfd_get_section_by_name (dynobj, ".rela.plt"); BFD_ASSERT (s != NULL); - /* The first plt entries are reserved, and the relocations must - pair up exactly. */ - if (s->_raw_size == 0) - s->_raw_size += (PLT_HEADER_SIZE/PLT_ENTRY_SIZE - * sizeof (Elf64_External_Rela)); - - s->_raw_size += sizeof (Elf64_External_Rela); + s->size += sizeof (Elf64_External_Rela); /* The procedure linkage table size is bounded by the magnitude of the offset we can describe in the entry. */ - if (s->_raw_size >= (bfd_vma)1 << 32) + if (s->size >= (bfd_vma)1 << 32) { bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } - return true; + return TRUE; } /* If this is a weak symbol, and there is a real definition, the processor independent code will have arranged for us to see the real definition first, and we can just use the same value. */ - if (h->weakdef != NULL) + if (h->u.weakdef != NULL) { - BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined - || h->weakdef->root.type == bfd_link_hash_defweak); - h->root.u.def.section = h->weakdef->root.u.def.section; - h->root.u.def.value = h->weakdef->root.u.def.value; - return true; + 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 @@ -1595,7 +1706,7 @@ sparc64_elf_adjust_dynamic_symbol (info, h) For such cases we need not do anything here; the relocations will be handled correctly by relocate_section. */ if (info->shared) - return true; + 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 @@ -1620,8 +1731,8 @@ sparc64_elf_adjust_dynamic_symbol (info, h) srel = bfd_get_section_by_name (dynobj, ".rela.bss"); BFD_ASSERT (srel != NULL); - srel->_raw_size += sizeof (Elf64_External_Rela); - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; + srel->size += sizeof (Elf64_External_Rela); + h->needs_copy = 1; } /* We need to figure out the alignment required for this symbol. I @@ -1632,35 +1743,33 @@ sparc64_elf_adjust_dynamic_symbol (info, h) power_of_two = 4; /* Apply the required alignment. */ - s->_raw_size = BFD_ALIGN (s->_raw_size, - (bfd_size_type) (1 << power_of_two)); + 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; + return FALSE; } /* Define the symbol as being at this point in the section. */ h->root.u.def.section = s; - h->root.u.def.value = s->_raw_size; + h->root.u.def.value = s->size; /* Increment the section size to make room for the symbol. */ - s->_raw_size += h->size; + s->size += h->size; - return true; + return TRUE; } /* Set the sizes of the dynamic sections. */ -static boolean +static bfd_boolean sparc64_elf_size_dynamic_sections (output_bfd, info) bfd *output_bfd; struct bfd_link_info *info; { bfd *dynobj; asection *s; - boolean reltext; - boolean relplt; + bfd_boolean relplt; dynobj = elf_hash_table (info)->dynobj; BFD_ASSERT (dynobj != NULL); @@ -1668,11 +1777,11 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) if (elf_hash_table (info)->dynamic_sections_created) { /* Set the contents of the .interp section to the interpreter. */ - if (! info->shared) + if (info->executable) { s = bfd_get_section_by_name (dynobj, ".interp"); BFD_ASSERT (s != NULL); - s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; + s->size = sizeof ELF_DYNAMIC_INTERPRETER; s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; } } @@ -1685,18 +1794,17 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) below. */ s = bfd_get_section_by_name (dynobj, ".rela.got"); if (s != NULL) - s->_raw_size = 0; + s->size = 0; } /* The check_relocs and adjust_dynamic_symbol entry points have determined the sizes of the various dynamic sections. Allocate memory for them. */ - reltext = false; - relplt = false; + relplt = FALSE; for (s = dynobj->sections; s != NULL; s = s->next) { const char *name; - boolean strip; + bfd_boolean strip; if ((s->flags & SEC_LINKER_CREATED) == 0) continue; @@ -1705,11 +1813,11 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) of the dynobj section names depend upon the input files. */ name = bfd_get_section_name (dynobj, s); - strip = false; + strip = FALSE; if (strncmp (name, ".rela", 5) == 0) { - if (s->_raw_size == 0) + if (s->size == 0) { /* If we don't need this section, strip it from the output file. This is to handle .rela.bss and @@ -1720,24 +1828,12 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) adjust_dynamic_symbol is called, and it is that function which decides whether anything needs to go into these sections. */ - strip = true; + strip = TRUE; } else { - const char *outname; - asection *target; - - /* If this relocation section applies to a read only - section, then we probably need a DT_TEXTREL entry. */ - outname = bfd_get_section_name (output_bfd, - s->output_section); - target = bfd_get_section_by_name (output_bfd, outname + 5); - if (target != NULL - && (target->flags & SEC_READONLY) != 0) - reltext = true; - if (strcmp (name, ".rela.plt") == 0) - relplt = true; + relplt = TRUE; /* We use the reloc_count field as a counter if we need to copy relocs into the output file. */ @@ -1760,9 +1856,9 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) /* Allocate memory for the section contents. Zero the memory for the benefit of .rela.plt, which has 4 unused entries at the beginning, and we don't want garbage. */ - s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size); - if (s->contents == NULL && s->_raw_size != 0) - return false; + s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); + if (s->contents == NULL && s->size != 0) + return FALSE; } if (elf_hash_table (info)->dynamic_sections_created) @@ -1772,36 +1868,38 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) must add the entries now so that we get the correct size for the .dynamic section. The DT_DEBUG entry is filled in by the dynamic linker and used by the debugger. */ +#define add_dynamic_entry(TAG, VAL) \ + _bfd_elf_add_dynamic_entry (info, TAG, VAL) + int reg; struct sparc64_elf_app_reg * app_regs; - struct bfd_strtab_hash *dynstr; + struct elf_strtab_hash *dynstr; struct elf_link_hash_table *eht = elf_hash_table (info); - if (! info->shared) + if (info->executable) { - if (! bfd_elf64_add_dynamic_entry (info, DT_DEBUG, 0)) - return false; + if (!add_dynamic_entry (DT_DEBUG, 0)) + return FALSE; } if (relplt) { - if (! bfd_elf64_add_dynamic_entry (info, DT_PLTGOT, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_PLTRELSZ, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_PLTREL, DT_RELA) - || ! bfd_elf64_add_dynamic_entry (info, DT_JMPREL, 0)) - return false; + 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 (! bfd_elf64_add_dynamic_entry (info, DT_RELA, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_RELASZ, 0) - || ! bfd_elf64_add_dynamic_entry (info, DT_RELAENT, - sizeof (Elf64_External_Rela))) - return false; + if (!add_dynamic_entry (DT_RELA, 0) + || !add_dynamic_entry (DT_RELASZ, 0) + || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela))) + return FALSE; - if (reltext) + if (info->flags & DF_TEXTREL) { - if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0)) - return false; + if (!add_dynamic_entry (DT_TEXTREL, 0)) + return FALSE; } /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER @@ -1813,14 +1911,14 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) if (app_regs [reg].name != NULL) { struct elf_link_local_dynamic_entry *entry, *e; - - if (! bfd_elf64_add_dynamic_entry (info, DT_SPARC_REGISTER, 0)) - return false; + + 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; + 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 @@ -1829,7 +1927,7 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) entry->isym.st_size = 0; if (*app_regs [reg].name != '\0') entry->isym.st_name - = _bfd_stringtab_add (dynstr, app_regs[reg].name, true, false); + = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE); else entry->isym.st_name = 0; entry->isym.st_other = 0; @@ -1851,13 +1949,42 @@ sparc64_elf_size_dynamic_sections (output_bfd, info) eht->dynsymcount++; } } +#undef add_dynamic_entry - return true; + return TRUE; +} + +static bfd_boolean +sparc64_elf_new_section_hook (abfd, sec) + bfd *abfd; + asection *sec; +{ + struct sparc64_elf_section_data *sdata; + bfd_size_type amt = sizeof (*sdata); + + sdata = (struct sparc64_elf_section_data *) bfd_zalloc (abfd, amt); + if (sdata == NULL) + return FALSE; + sec->used_by_bfd = (PTR) sdata; + + return _bfd_elf_new_section_hook (abfd, sec); +} + +static bfd_boolean +sparc64_elf_relax_section (abfd, section, link_info, again) + bfd *abfd ATTRIBUTE_UNUSED; + asection *section ATTRIBUTE_UNUSED; + struct bfd_link_info *link_info ATTRIBUTE_UNUSED; + bfd_boolean *again; +{ + *again = FALSE; + sec_do_relax (section) = 1; + return TRUE; } /* Relocate a SPARC64 ELF section. */ -static boolean +static bfd_boolean sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, contents, relocs, local_syms, local_sections) bfd *output_bfd; @@ -1880,6 +2007,9 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, Elf_Internal_Rela *rel; Elf_Internal_Rela *relend; + if (info->relocatable) + return TRUE; + dynobj = elf_hash_table (info)->dynobj; symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; sym_hashes = elf_sym_hashes (input_bfd); @@ -1891,180 +2021,68 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, got_base = elf_hash_table (info)->hgot->root.u.def.value; sgot = splt = sreloc = NULL; + if (dynobj != NULL) + splt = bfd_get_section_by_name (dynobj, ".plt"); rel = relocs; - relend = relocs + input_section->reloc_count; + relend = relocs + NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr); for (; rel < relend; rel++) { int r_type; reloc_howto_type *howto; - long r_symndx; + unsigned long r_symndx; struct elf_link_hash_entry *h; Elf_Internal_Sym *sym; asection *sec; - bfd_vma relocation; + bfd_vma relocation, off; bfd_reloc_status_type r; + bfd_boolean is_plt = FALSE; + bfd_boolean unresolved_reloc; r_type = ELF64_R_TYPE_ID (rel->r_info); if (r_type < 0 || r_type >= (int) R_SPARC_max_std) { bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } howto = sparc64_elf_howto_table + r_type; - r_symndx = ELF64_R_SYM (rel->r_info); - - if (info->relocateable) - { - /* This is a relocateable link. We don't have to change - anything, unless the reloc is against a section symbol, - in which case we have to adjust according to where the - section symbol winds up in the output section. */ - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) - { - sec = local_sections[r_symndx]; - rel->r_addend += sec->output_offset + sym->st_value; - } - } - - continue; - } - /* This is a final link. */ + r_symndx = ELF64_R_SYM (rel->r_info); h = NULL; sym = NULL; sec = NULL; + unresolved_reloc = FALSE; if (r_symndx < symtab_hdr->sh_info) { sym = local_syms + r_symndx; sec = local_sections[r_symndx]; - relocation = (sec->output_section->vma - + sec->output_offset - + sym->st_value); + relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); } 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; - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - boolean skip_it = false; - sec = h->root.u.def.section; + bfd_boolean warned; - switch (r_type) - { - case R_SPARC_WPLT30: - case R_SPARC_PLT32: - case R_SPARC_HIPLT22: - case R_SPARC_LOPLT10: - case R_SPARC_PCPLT32: - case R_SPARC_PCPLT22: - case R_SPARC_PCPLT10: - case R_SPARC_PLT64: - if (h->plt.offset != (bfd_vma) -1) - skip_it = true; - break; - - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - if (elf_hash_table(info)->dynamic_sections_created - && (!info->shared - || (!info->symbolic && h->dynindx != -1) - || !(h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR))) - skip_it = true; - 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 (!strcmp(h->root.root.string, "_GLOBAL_OFFSET_TABLE_")) - break; - /* FALLTHRU */ - - case R_SPARC_8: - case R_SPARC_16: - case R_SPARC_32: - case R_SPARC_DISP8: - case R_SPARC_DISP16: - case R_SPARC_DISP32: - case R_SPARC_WDISP30: - case R_SPARC_WDISP22: - case R_SPARC_HI22: - case R_SPARC_22: - case R_SPARC_13: - case R_SPARC_LO10: - case R_SPARC_UA32: - case R_SPARC_10: - case R_SPARC_11: - case R_SPARC_64: - case R_SPARC_OLO10: - case R_SPARC_HH22: - case R_SPARC_HM10: - case R_SPARC_LM22: - case R_SPARC_WDISP19: - case R_SPARC_WDISP16: - case R_SPARC_7: - case R_SPARC_5: - case R_SPARC_6: - case R_SPARC_DISP64: - case R_SPARC_HIX22: - case R_SPARC_LOX10: - case R_SPARC_H44: - case R_SPARC_M44: - case R_SPARC_L44: - case R_SPARC_UA64: - case R_SPARC_UA16: - if (info->shared - && ((!info->symbolic && h->dynindx != -1) - || !(h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR))) - skip_it = true; - break; - } - - if (skip_it) - { - /* In these cases, we don't need the relocation - value. We check specially because in some - obscure cases sec->output_section will be NULL. */ - relocation = 0; - } - else - { - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - } - else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; - else if (info->shared && !info->symbolic && !info->no_undefined) - relocation = 0; - else + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, + r_symndx, symtab_hdr, sym_hashes, + h, sec, relocation, + unresolved_reloc, warned); + if (warned) { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, - (!info->shared || info->no_undefined)))) - return false; - relocation = 0; + /* To avoid generating warning messages about truncated + relocations, set the relocation's address to be the same as + the start of this section. */ + if (input_section->output_section != NULL) + relocation = input_section->output_section->vma; + else + relocation = 0; } } + do_dynreloc: /* When generating a shared object, these relocations are copied into the output file to be resolved at run time. */ - if (info->shared && (input_section->flags & SEC_ALLOC)) + if (info->shared && r_symndx != 0 && (input_section->flags & SEC_ALLOC)) { switch (r_type) { @@ -2080,11 +2098,11 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, 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_DISP64: if (h == NULL) break; /* Fall through. */ @@ -2115,7 +2133,8 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, case R_SPARC_UA16: { Elf_Internal_Rela outrel; - boolean skip; + bfd_byte *loc; + bfd_boolean skip, relocate; if (sreloc == NULL) { @@ -2126,7 +2145,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, elf_section_data (input_section)->rel_hdr.sh_name)); if (name == NULL) - return false; + return FALSE; BFD_ASSERT (strncmp (name, ".rela", 5) == 0 && strcmp (bfd_get_section_name(input_bfd, @@ -2137,23 +2156,16 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, BFD_ASSERT (sreloc != NULL); } - skip = false; + skip = FALSE; + relocate = FALSE; - if (elf_section_data (input_section)->stab_info == NULL) - outrel.r_offset = rel->r_offset; - else - { - bfd_vma off; - - off = (_bfd_stab_section_offset - (output_bfd, &elf_hash_table (info)->stab_info, - input_section, - &elf_section_data (input_section)->stab_info, - rel->r_offset)); - if (off == MINUS_ONE) - skip = true; - outrel.r_offset = off; - } + 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); @@ -2180,16 +2192,34 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, case R_SPARC_UA64: if (!(outrel.r_offset & 7)) r_type = R_SPARC_64; break; + case R_SPARC_DISP8: + case R_SPARC_DISP16: + case R_SPARC_DISP32: + case R_SPARC_DISP64: + /* If the symbol is not dynamic, we should not keep + a dynamic relocation. But an .rela.* slot has been + allocated for it, output R_SPARC_NONE. + FIXME: Add code tracking needed dynamic relocs as + e.g. i386 has. */ + if (h->dynindx == -1) + skip = TRUE, relocate = TRUE; + break; } + /* FIXME: Dynamic reloc handling really needs to be rewritten. */ + if (!skip + && h != NULL + && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT + && h->root.type == bfd_link_hash_undefweak) + skip = TRUE, relocate = TRUE; + if (skip) memset (&outrel, 0, sizeof outrel); /* h->dynindx may be -1 if the symbol was marked to become local. */ - else if (h != NULL + else if (h != NULL && ! is_plt && ((! info->symbolic && h->dynindx != -1) - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)) + || !h->def_regular)) { BFD_ASSERT (h->dynindx != -1); outrel.r_info @@ -2201,30 +2231,22 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, } else { + outrel.r_addend = relocation + rel->r_addend; if (r_type == R_SPARC_64) - { - outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE); - outrel.r_addend = relocation + rel->r_addend; - } + outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE); else { long indx; - if (h == NULL) - sec = local_sections[r_symndx]; - else - { - BFD_ASSERT (h->root.type == bfd_link_hash_defined - || (h->root.type - == bfd_link_hash_defweak)); - sec = h->root.u.def.section; - } - if (sec != NULL && bfd_is_abs_section (sec)) + if (is_plt) + sec = splt; + + if (bfd_is_abs_section (sec)) indx = 0; else if (sec == NULL || sec->owner == NULL) { bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } else { @@ -2233,16 +2255,23 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, osec = sec->output_section; indx = elf_section_data (osec)->dynindx; + /* We are turning this relocation into one + against a section symbol, so subtract out + the output section's address but not the + offset of the input section in the output + section. */ + outrel.r_addend -= osec->vma; + /* FIXME: we really should be able to link non-pic shared libraries. */ if (indx == 0) { BFD_FAIL (); (*_bfd_error_handler) - (_("%s: probably compiled without -fPIC?"), - bfd_get_filename (input_bfd)); + (_("%B: probably compiled without -fPIC?"), + input_bfd); bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } } @@ -2251,22 +2280,16 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, ELF64_R_TYPE_INFO ( ELF64_R_TYPE_DATA (rel->r_info), r_type)); - outrel.r_addend = relocation + rel->r_addend; } } - bfd_elf64_swap_reloca_out (output_bfd, &outrel, - (((Elf64_External_Rela *) - sreloc->contents) - + sreloc->reloc_count)); - ++sreloc->reloc_count; + loc = sreloc->contents; + loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); + bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); /* This reloc will be computed at runtime, so there's no - need to do anything now, unless this is a RELATIVE - reloc in an unallocated section. */ - if (skip - || (input_section->flags & SEC_ALLOC) != 0 - || ELF64_R_TYPE_ID (outrel.r_info) != R_SPARC_RELATIVE) + need to do anything now. */ + if (! relocate) continue; } break; @@ -2288,14 +2311,18 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, if (h != NULL) { - bfd_vma off = h->got.offset; + bfd_boolean dyn; + + off = h->got.offset; BFD_ASSERT (off != (bfd_vma) -1); + dyn = elf_hash_table (info)->dynamic_sections_created; - if (! elf_hash_table (info)->dynamic_sections_created + if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) || (info->shared - && (info->symbolic || h->dynindx == -1) - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR))) + && (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 @@ -2318,12 +2345,11 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, h->got.offset |= 1; } } - relocation = sgot->output_offset + off - got_base; + else + unresolved_reloc = FALSE; } else { - bfd_vma off; - BFD_ASSERT (local_got_offsets != NULL); off = local_got_offsets[r_symndx]; BFD_ASSERT (off != (bfd_vma) -1); @@ -2335,33 +2361,41 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, off &= ~1; else { - bfd_put_64 (output_bfd, relocation, sgot->contents + off); local_got_offsets[r_symndx] |= 1; if (info->shared) { - asection *srelgot; + asection *s; Elf_Internal_Rela outrel; + bfd_byte *loc; + + /* The Solaris 2.7 64-bit linker adds the contents + of the location to the value of the reloc. + Note this is different behaviour to the + 32-bit linker, which both adds the contents + and ignores the addend. So clear the location. */ + bfd_put_64 (output_bfd, (bfd_vma) 0, + sgot->contents + off); /* We need to generate a R_SPARC_RELATIVE reloc for the dynamic linker. */ - srelgot = bfd_get_section_by_name(dynobj, ".rela.got"); - BFD_ASSERT (srelgot != NULL); + s = bfd_get_section_by_name(dynobj, ".rela.got"); + BFD_ASSERT (s != NULL); outrel.r_offset = (sgot->output_section->vma + sgot->output_offset + off); outrel.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE); outrel.r_addend = relocation; - bfd_elf64_swap_reloca_out (output_bfd, &outrel, - (((Elf64_External_Rela *) - srelgot->contents) - + srelgot->reloc_count)); - ++srelgot->reloc_count; + loc = s->contents; + loc += s->reloc_count++ * sizeof (Elf64_External_Rela); + bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); } + else + bfd_put_64 (output_bfd, relocation, sgot->contents + off); } - relocation = sgot->output_offset + off - got_base; } + relocation = sgot->output_offset + off - got_base; goto do_default; case R_SPARC_WPLT30: @@ -2376,7 +2410,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, procedure linkage table. */ BFD_ASSERT (h != NULL); - if (h->plt.offset == (bfd_vma) -1) + if (h->plt.offset == (bfd_vma) -1 || splt == NULL) { /* We didn't make a PLT entry for this symbol. This happens when statically linking PIC code, or when @@ -2384,15 +2418,18 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, goto do_default; } - if (splt == NULL) - { - splt = bfd_get_section_by_name (dynobj, ".plt"); - BFD_ASSERT (splt != NULL); - } - relocation = (splt->output_section->vma + splt->output_offset + sparc64_elf_plt_entry_offset (h->plt.offset)); + unresolved_reloc = FALSE; + if (r_type == R_SPARC_WPLT30) + goto do_wplt30; + if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64) + { + r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64; + is_plt = TRUE; + goto do_dynreloc; + } goto do_default; case R_SPARC_OLO10: @@ -2403,7 +2440,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info); x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x1fff) | (relocation & 0x1fff); + 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, @@ -2424,8 +2461,9 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation -= rel->r_offset; x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x303fff) | ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); + x &= ~(bfd_vma) 0x303fff; + x |= ((((relocation >> 2) & 0xc000) << 6) + | ((relocation >> 2) & 0x3fff)); bfd_put_32 (input_bfd, x, contents + rel->r_offset); r = bfd_check_overflow (howto->complain_on_overflow, @@ -2443,7 +2481,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation = relocation ^ MINUS_ONE; x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x3fffff) | ((relocation >> 10) & 0x3fffff); + 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, @@ -2461,13 +2499,104 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, relocation = (relocation & 0x3ff) | 0x1c00; x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~0x1fff) | relocation; + x = (x & ~(bfd_vma) 0x1fff) | relocation; bfd_put_32 (input_bfd, x, contents + rel->r_offset); r = bfd_reloc_ok; } break; + case R_SPARC_WDISP30: + do_wplt30: + if (sec_do_relax (input_section) + && rel->r_offset + 4 < input_section->size) + { +#define G0 0 +#define O7 15 +#define XCC (2 << 20) +#define COND(x) (((x)&0xf)<<25) +#define CONDA COND(0x8) +#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC) +#define INSN_BA (F2(0,2) | CONDA) +#define INSN_OR F3(2, 0x2, 0) +#define INSN_NOP F2(0,4) + + bfd_vma x, y; + + /* If the instruction is a call with either: + restore + arithmetic instruction with rd == %o7 + where rs1 != %o7 and rs2 if it is register != %o7 + then we can optimize if the call destination is near + by changing the call into a branch always. */ + x = bfd_get_32 (input_bfd, contents + rel->r_offset); + y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4); + if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2)) + { + if (((y & OP3(~0)) == OP3(0x3d) /* restore */ + || ((y & OP3(0x28)) == 0 /* arithmetic */ + && (y & RD(~0)) == RD(O7))) + && (y & RS1(~0)) != RS1(O7) + && ((y & F3I(~0)) + || (y & RS2(~0)) != RS2(O7))) + { + bfd_vma reloc; + + reloc = relocation + rel->r_addend - rel->r_offset; + reloc -= (input_section->output_section->vma + + input_section->output_offset); + if (reloc & 3) + goto do_default; + + /* Ensure the branch fits into simm22. */ + if ((reloc & ~(bfd_vma)0x7fffff) + && ((reloc | 0x7fffff) != MINUS_ONE)) + goto do_default; + reloc >>= 2; + + /* Check whether it fits into simm19. */ + if ((reloc & 0x3c0000) == 0 + || (reloc & 0x3c0000) == 0x3c0000) + x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */ + else + x = INSN_BA | (reloc & 0x3fffff); /* ba */ + bfd_put_32 (input_bfd, x, contents + rel->r_offset); + r = bfd_reloc_ok; + if (rel->r_offset >= 4 + && (y & (0xffffffff ^ RS1(~0))) + == (INSN_OR | RD(O7) | RS2(G0))) + { + bfd_vma z; + unsigned int reg; + + z = bfd_get_32 (input_bfd, + contents + rel->r_offset - 4); + if ((z & (0xffffffff ^ RD(~0))) + != (INSN_OR | RS1(O7) | RS2(G0))) + break; + + /* The sequence was + or %o7, %g0, %rN + call foo + or %rN, %g0, %o7 + + If call foo was replaced with ba, replace + or %rN, %g0, %o7 with nop. */ + + reg = (y & RS1(~0)) >> 14; + if (reg != ((z & RD(~0)) >> 25) + || reg == G0 || reg == O7) + break; + + bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP, + contents + rel->r_offset + 4); + } + break; + } + } + } + /* Fall through. */ + default: do_default: r = _bfd_final_link_relocate (howto, input_bfd, input_section, @@ -2476,6 +2605,18 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, 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 relocation against symbol `%s'"), + input_bfd, input_section, + (long) rel->r_offset, + h->root.root.string); + switch (r) { case bfd_reloc_ok: @@ -2489,6 +2630,15 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, { const char *name; + /* The Solaris native linker silently disregards + overflows. We don't, but this breaks stabs debugging + info, whose relocations are only 32-bits wide. Ignore + overflows for discarded entries. */ + if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32) + && _bfd_elf_section_offset (output_bfd, info, input_section, + rel->r_offset) == (bfd_vma) -1) + break; + if (h != NULL) { if (h->root.type == bfd_link_hash_undefweak @@ -2496,13 +2646,13 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, { /* 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 + we can safely ignore the overflow. If not, the program is hosed anyway, and a little warning isn't going to help. */ break; } - - name = h->root.root.string; + + name = NULL; } else { @@ -2511,26 +2661,27 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, symtab_hdr->sh_link, sym->st_name)); if (name == NULL) - return false; + return FALSE; if (*name == '\0') name = bfd_section_name (input_bfd, sec); } if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) - return false; + (info, (h ? &h->root : NULL), name, howto->name, + (bfd_vma) 0, input_bfd, input_section, + rel->r_offset))) + return FALSE; } break; } } - return true; + return TRUE; } /* Finish up dynamic symbol handling. We set the contents of various dynamic sections here. */ -static boolean +static bfd_boolean sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) bfd *output_bfd; struct bfd_link_info *info; @@ -2546,8 +2697,9 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) asection *splt; asection *srela; Elf_Internal_Rela rela; + bfd_byte *loc; - /* This symbol has an entry in the PLT. Set it up. */ + /* This symbol has an entry in the PLT. Set it up. */ BFD_ASSERT (h->dynindx != -1); @@ -2564,7 +2716,7 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) } else { - int max = splt->_raw_size / PLT_ENTRY_SIZE; + bfd_vma max = splt->size / PLT_ENTRY_SIZE; rela.r_offset = sparc64_elf_plt_ptr_offset (h->plt.offset, max); rela.r_addend = -(sparc64_elf_plt_entry_offset (h->plt.offset) + 4) -(splt->output_section->vma + splt->output_offset); @@ -2572,15 +2724,26 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) rela.r_offset += (splt->output_section->vma + splt->output_offset); rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_JMP_SLOT); - bfd_elf64_swap_reloca_out (output_bfd, &rela, - ((Elf64_External_Rela *) srela->contents - + h->plt.offset)); + /* 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. */ - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) + loc = srela->contents; + loc += (h->plt.offset - 4) * sizeof (Elf64_External_Rela); + bfd_elf64_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; } } @@ -2589,6 +2752,7 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) asection *sgot; asection *srela; Elf_Internal_Rela rela; + bfd_byte *loc; /* This symbol has an entry in the GOT. Set it up. */ @@ -2598,7 +2762,7 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) rela.r_offset = (sgot->output_section->vma + sgot->output_offset - + (h->got.offset &~ 1)); + + (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 @@ -2607,7 +2771,7 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) initialized in the relocate_section function. */ if (info->shared && (info->symbolic || h->dynindx == -1) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) + && h->def_regular) { asection *sec = h->root.u.def.section; rela.r_info = ELF64_R_INFO (0, R_SPARC_RELATIVE); @@ -2617,24 +2781,24 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) } else { - bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_GLOB_DAT); rela.r_addend = 0; } - bfd_elf64_swap_reloca_out (output_bfd, &rela, - ((Elf64_External_Rela *) srela->contents - + srela->reloc_count)); - ++srela->reloc_count; + bfd_put_64 (output_bfd, (bfd_vma) 0, + sgot->contents + (h->got.offset &~ (bfd_vma) 1)); + loc = srela->contents; + loc += srela->reloc_count++ * sizeof (Elf64_External_Rela); + bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); } - if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) + if (h->needs_copy) { asection *s; Elf_Internal_Rela rela; + bfd_byte *loc; /* This symbols needs a copy reloc. Set it up. */ - BFD_ASSERT (h->dynindx != -1); s = bfd_get_section_by_name (h->root.u.def.section->owner, @@ -2646,10 +2810,8 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) + h->root.u.def.section->output_offset); rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_COPY); rela.r_addend = 0; - bfd_elf64_swap_reloca_out (output_bfd, &rela, - ((Elf64_External_Rela *) s->contents - + s->reloc_count)); - ++s->reloc_count; + loc = s->contents + s->reloc_count++ * sizeof (Elf64_External_Rela); + bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); } /* Mark some specially defined symbols as absolute. */ @@ -2658,12 +2820,12 @@ sparc64_elf_finish_dynamic_symbol (output_bfd, info, h, sym) || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0) sym->st_shndx = SHN_ABS; - return true; + return TRUE; } /* Finish up the dynamic sections. */ -static boolean +static bfd_boolean sparc64_elf_finish_dynamic_sections (output_bfd, info) bfd *output_bfd; struct bfd_link_info *info; @@ -2686,32 +2848,32 @@ sparc64_elf_finish_dynamic_sections (output_bfd, info) BFD_ASSERT (splt != NULL && sdyn != NULL); dyncon = (Elf64_External_Dyn *) sdyn->contents; - dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->_raw_size); + dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); for (; dyncon < dynconend; dyncon++) { Elf_Internal_Dyn dyn; const char *name; - boolean size; + 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_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; + 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; + default: name = NULL; size = FALSE; break; } if (name != NULL) @@ -2726,23 +2888,16 @@ sparc64_elf_finish_dynamic_sections (output_bfd, info) if (! size) dyn.d_un.d_ptr = s->vma; else - { - if (s->_cooked_size != 0) - dyn.d_un.d_val = s->_cooked_size; - else - dyn.d_un.d_val = s->_raw_size; - } + dyn.d_un.d_val = s->size; } bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); } } /* Initialize the contents of the .plt section. */ - if (splt->_raw_size > 0) - { - sparc64_elf_build_plt(output_bfd, splt->contents, - splt->_raw_size / PLT_ENTRY_SIZE); - } + if (splt->size > 0) + sparc64_elf_build_plt (output_bfd, splt->contents, + (int) (splt->size / PLT_ENTRY_SIZE)); elf_section_data (splt->output_section)->this_hdr.sh_entsize = PLT_ENTRY_SIZE; @@ -2752,7 +2907,7 @@ sparc64_elf_finish_dynamic_sections (output_bfd, info) the dynamic section. */ sgot = bfd_get_section_by_name (dynobj, ".got"); BFD_ASSERT (sgot != NULL); - if (sgot->_raw_size > 0) + if (sgot->size > 0) { if (sdyn == NULL) bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents); @@ -2764,66 +2919,84 @@ sparc64_elf_finish_dynamic_sections (output_bfd, info) elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8; - return true; + return TRUE; +} + +static enum elf_reloc_type_class +sparc64_elf_reloc_type_class (rela) + const Elf_Internal_Rela *rela; +{ + switch ((int) ELF64_R_TYPE (rela->r_info)) + { + case R_SPARC_RELATIVE: + return reloc_class_relative; + case R_SPARC_JMP_SLOT: + return reloc_class_plt; + case R_SPARC_COPY: + return reloc_class_copy; + default: + return reloc_class_normal; + } } -/* Functions for dealing with the e_flags field. */ +/* Functions for dealing with the e_flags field. */ /* Merge backend specific data from an object file to the output object file when linking. */ -static boolean +static bfd_boolean sparc64_elf_merge_private_bfd_data (ibfd, obfd) bfd *ibfd; bfd *obfd; { - boolean error; + bfd_boolean error; flagword new_flags, old_flags; int new_mm, old_mm; if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour || bfd_get_flavour (obfd) != bfd_target_elf_flavour) - return true; + return TRUE; new_flags = elf_elfheader (ibfd)->e_flags; old_flags = elf_elfheader (obfd)->e_flags; if (!elf_flags_init (obfd)) /* First call, no flags set */ { - elf_flags_init (obfd) = true; + elf_flags_init (obfd) = TRUE; elf_elfheader (obfd)->e_flags = new_flags; } - + else if (new_flags == old_flags) /* Compatible flags are ok */ ; - + else /* Incompatible flags */ { - error = false; - + error = FALSE; + +#define EF_SPARC_ISA_EXTENSIONS \ + (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) + if ((ibfd->flags & DYNAMIC) != 0) { /* We don't want dynamic objects memory ordering and architecture to have any role. That's what dynamic linker should do. */ - old_flags &= ~(EF_SPARCV9_MM | EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1); - old_flags |= (new_flags - & (EF_SPARCV9_MM - | EF_SPARC_SUN_US1 - | EF_SPARC_HAL_R1)); + new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); + new_flags |= (old_flags + & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); } else { /* Choose the highest architecture requirements. */ - old_flags |= (new_flags & (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1)); - new_flags |= (old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1)); - if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1)) - == (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1)) + old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); + new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); + if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) + && (old_flags & EF_SPARC_HAL_R1)) { - error = true; + error = TRUE; (*_bfd_error_handler) - (_("%s: linking UltraSPARC specific with HAL specific code"), - bfd_get_filename (ibfd)); + (_("%B: linking UltraSPARC specific with HAL specific code"), + ibfd); } /* Choose the most restrictive memory ordering. */ old_mm = (old_flags & EF_SPARCV9_MM); @@ -2839,10 +3012,10 @@ sparc64_elf_merge_private_bfd_data (ibfd, obfd) /* Warn about any other mismatches */ if (new_flags != old_flags) { - error = true; + error = TRUE; (*_bfd_error_handler) - (_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"), - bfd_get_filename (ibfd), (long)new_flags, (long)old_flags); + (_("%B: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"), + ibfd, (long) new_flags, (long) old_flags); } elf_elfheader (obfd)->e_flags = old_flags; @@ -2850,23 +3023,44 @@ sparc64_elf_merge_private_bfd_data (ibfd, obfd) if (error) { bfd_set_error (bfd_error_bad_value); - return false; + return FALSE; } } - return true; + return TRUE; +} + +/* MARCO: Set the correct entry size for the .stab section. */ + +static bfd_boolean +sparc64_elf_fake_sections (abfd, hdr, sec) + bfd *abfd ATTRIBUTE_UNUSED; + Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED; + asection *sec; +{ + const char *name; + + name = bfd_get_section_name (abfd, sec); + + if (strcmp (name, ".stab") == 0) + { + /* Even in the 64bit case the stab entries are only 12 bytes long. */ + elf_section_data (sec)->this_hdr.sh_entsize = 12; + } + + return TRUE; } /* Print a STT_REGISTER symbol to file FILE. */ static const char * sparc64_elf_print_symbol_all (abfd, filep, symbol) - bfd *abfd; + bfd *abfd ATTRIBUTE_UNUSED; PTR filep; asymbol *symbol; { FILE *file = (FILE *) filep; int reg, type; - + if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) != STT_REGISTER) return NULL; @@ -2876,8 +3070,8 @@ sparc64_elf_print_symbol_all (abfd, filep, symbol) fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", ((type & BSF_LOCAL) ? (type & BSF_GLOBAL) ? '!' : 'l' - : (type & BSF_GLOBAL) ? 'g' : ' '), - (type & BSF_WEAK) ? 'w' : ' '); + : (type & BSF_GLOBAL) ? 'g' : ' '), + (type & BSF_WEAK) ? 'w' : ' '); if (symbol->name == NULL || symbol->name [0] == '\0') return "#scratch"; else @@ -2886,17 +3080,37 @@ sparc64_elf_print_symbol_all (abfd, filep, symbol) /* Set the right machine number for a SPARC64 ELF file. */ -static boolean +static bfd_boolean sparc64_elf_object_p (abfd) bfd *abfd; { unsigned long mach = bfd_mach_sparc_v9; - - if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1) + + if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3) + mach = bfd_mach_sparc_v9b; + else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1) mach = bfd_mach_sparc_v9a; return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach); } +/* Return address for Ith PLT stub in section PLT, for relocation REL + or (bfd_vma) -1 if it should not be included. */ + +static bfd_vma +sparc64_elf_plt_sym_val (bfd_vma i, const asection *plt, + const arelent *rel ATTRIBUTE_UNUSED) +{ + bfd_vma j; + + i += PLT_HEADER_SIZE / PLT_ENTRY_SIZE; + if (i < LARGE_PLT_THRESHOLD) + return plt->vma + i * PLT_ENTRY_SIZE; + + j = (i - LARGE_PLT_THRESHOLD) % 160; + i -= j; + return plt->vma + i * PLT_ENTRY_SIZE + j * 4 * 6; +} + /* Relocations in the 64 bit SPARC ELF ABI are more complex than in standard ELF, because R_SPARC_OLO10 has secondary addend in ELF64_R_TYPE_DATA field. This structure is used to redirect the @@ -2912,28 +3126,29 @@ const struct elf_size_info sparc64_elf_size_info = sizeof (Elf64_External_Sym), sizeof (Elf64_External_Dyn), sizeof (Elf_External_Note), - 4, /* hash-table entry size */ - /* internal relocations per external relocations. + 4, /* hash-table entry size. */ + /* Internal relocations per external relocations. For link purposes we use just 1 internal per 1 external, for assembly and slurp symbol table - we use 2. */ + we use 2. */ 1, - 64, /* arch_size */ - 8, /* file_align */ + 64, /* arch_size. */ + 3, /* log_file_align. */ ELFCLASS64, EV_CURRENT, bfd_elf64_write_out_phdrs, bfd_elf64_write_shdrs_and_ehdr, sparc64_elf_write_relocs, + bfd_elf64_swap_symbol_in, bfd_elf64_swap_symbol_out, sparc64_elf_slurp_reloc_table, bfd_elf64_slurp_symbol_table, bfd_elf64_swap_dyn_in, bfd_elf64_swap_dyn_out, - NULL, - NULL, - NULL, - NULL + bfd_elf64_swap_reloc_in, + bfd_elf64_swap_reloc_out, + bfd_elf64_swap_reloca_in, + bfd_elf64_swap_reloca_out }; #define TARGET_BIG_SYM bfd_elf64_sparc_vec @@ -2949,17 +3164,23 @@ const struct elf_size_info sparc64_elf_size_info = #define bfd_elf64_bfd_link_hash_table_create \ sparc64_elf_bfd_link_hash_table_create - + #define elf_info_to_howto \ sparc64_elf_info_to_howto #define bfd_elf64_get_reloc_upper_bound \ sparc64_elf_get_reloc_upper_bound #define bfd_elf64_get_dynamic_reloc_upper_bound \ sparc64_elf_get_dynamic_reloc_upper_bound +#define bfd_elf64_canonicalize_reloc \ + sparc64_elf_canonicalize_reloc #define bfd_elf64_canonicalize_dynamic_reloc \ sparc64_elf_canonicalize_dynamic_reloc #define bfd_elf64_bfd_reloc_type_lookup \ sparc64_elf_reloc_type_lookup +#define bfd_elf64_bfd_relax_section \ + sparc64_elf_relax_section +#define bfd_elf64_new_section_hook \ + sparc64_elf_new_section_hook #define elf_backend_create_dynamic_sections \ _bfd_elf_create_dynamic_sections @@ -2985,23 +3206,28 @@ const struct elf_size_info sparc64_elf_size_info = sparc64_elf_print_symbol_all #define elf_backend_output_arch_syms \ sparc64_elf_output_arch_syms - #define bfd_elf64_bfd_merge_private_bfd_data \ sparc64_elf_merge_private_bfd_data +#define elf_backend_fake_sections \ + sparc64_elf_fake_sections +#define elf_backend_plt_sym_val \ + sparc64_elf_plt_sym_val #define elf_backend_size_info \ sparc64_elf_size_info #define elf_backend_object_p \ sparc64_elf_object_p +#define elf_backend_reloc_type_class \ + sparc64_elf_reloc_type_class #define elf_backend_want_got_plt 0 #define elf_backend_plt_readonly 0 #define elf_backend_want_plt_sym 1 +#define elf_backend_rela_normal 1 /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ #define elf_backend_plt_alignment 8 #define elf_backend_got_header_size 8 -#define elf_backend_plt_header_size PLT_HEADER_SIZE #include "elf64-target.h"