diff options
Diffstat (limited to 'contrib/binutils/bfd/elf32-sparc.c')
| -rw-r--r-- | contrib/binutils/bfd/elf32-sparc.c | 3479 |
1 files changed, 0 insertions, 3479 deletions
diff --git a/contrib/binutils/bfd/elf32-sparc.c b/contrib/binutils/bfd/elf32-sparc.c deleted file mode 100644 index 0f94f5f31bb7..000000000000 --- a/contrib/binutils/bfd/elf32-sparc.c +++ /dev/null @@ -1,3479 +0,0 @@ -/* SPARC-specific support for 32-bit ELF - 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 program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "bfdlink.h" -#include "libbfd.h" -#include "elf-bfd.h" -#include "elf/sparc.h" -#include "opcode/sparc.h" - -static reloc_howto_type *elf32_sparc_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -static void elf32_sparc_info_to_howto - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); -static bfd_boolean elf32_sparc_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static bfd_boolean elf32_sparc_adjust_dynamic_symbol - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); -static bfd_boolean allocate_dynrelocs - PARAMS ((struct elf_link_hash_entry *, PTR)); -static bfd_boolean readonly_dynrelocs - PARAMS ((struct elf_link_hash_entry *, PTR)); -static bfd_boolean elf32_sparc_size_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -static bfd_boolean elf32_sparc_new_section_hook - PARAMS ((bfd *, asection *)); -static bfd_boolean elf32_sparc_relax_section - PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *)); -static bfd_vma dtpoff_base - PARAMS ((struct bfd_link_info *)); -static bfd_vma tpoff - PARAMS ((struct bfd_link_info *, bfd_vma)); -static bfd_boolean elf32_sparc_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); -static bfd_boolean elf32_sparc_finish_dynamic_symbol - PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, - Elf_Internal_Sym *)); -static bfd_boolean elf32_sparc_finish_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -static bfd_boolean elf32_sparc_merge_private_bfd_data - PARAMS ((bfd *, bfd *)); -static struct bfd_hash_entry *link_hash_newfunc - PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); -static struct bfd_link_hash_table *elf32_sparc_link_hash_table_create - PARAMS ((bfd *)); -static bfd_boolean create_got_section - PARAMS ((bfd *, struct bfd_link_info *)); -static bfd_boolean elf32_sparc_create_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -static void elf32_sparc_copy_indirect_symbol - PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *, - struct elf_link_hash_entry *)); -static int elf32_sparc_tls_transition - PARAMS ((struct bfd_link_info *, bfd *, int, int)); - -static bfd_boolean elf32_sparc_mkobject - PARAMS ((bfd *)); -static bfd_boolean elf32_sparc_object_p - PARAMS ((bfd *)); -static void elf32_sparc_final_write_processing - PARAMS ((bfd *, bfd_boolean)); -static enum elf_reloc_type_class elf32_sparc_reloc_type_class - PARAMS ((const Elf_Internal_Rela *)); -static asection * elf32_sparc_gc_mark_hook - PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, - struct elf_link_hash_entry *, Elf_Internal_Sym *)); -static bfd_boolean elf32_sparc_gc_sweep_hook - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); - -/* The relocation "howto" table. */ - -static bfd_reloc_status_type sparc_elf_notsupported_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type sparc_elf_wdisp16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type sparc_elf_hix22_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type sparc_elf_lox10_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -reloc_howto_type _bfd_sparc_elf_howto_table[] = -{ - HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE), - HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE), - HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE), - HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE), - HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE), - HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE), - HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE), - HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE), - HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE), - HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE), - HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE), - HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE), - HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE), - HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE), - HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE), - HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE), - HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE), - HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE), - HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE), - HOWTO(R_SPARC_PLT32, 0,0,00,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE), - HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE), - HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE), - /* These are for sparc64 in a 64 bit environment. - Values need to be here because the table is indexed by reloc number. */ - HOWTO(R_SPARC_64, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_64", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_OLO10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_OLO10", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_HH22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HH22", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_HM10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HM10", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_LM22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LM22", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_PC_HH22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_HH22", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_PC_HM10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_HM10", FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_PC_LM22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_LM22", FALSE,0,0x00000000,TRUE), - /* End sparc64 in 64 bit environment values. - The following are for sparc64 in a 32 bit environment. */ - 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_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", 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_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", 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_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", 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_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", 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_UA64, 0,0, 0,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_UA64", FALSE,0,0x00000000,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_DTPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPOFF64",FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE), - HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE) -}; -static reloc_howto_type elf32_sparc_vtinherit_howto = - HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE); -static reloc_howto_type elf32_sparc_vtentry_howto = - HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE); -static reloc_howto_type elf32_sparc_rev32_howto = - HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE); - -struct elf_reloc_map { - bfd_reloc_code_real_type bfd_reloc_val; - unsigned char elf_reloc_val; -}; - -static const struct elf_reloc_map sparc_reloc_map[] = -{ - { BFD_RELOC_NONE, R_SPARC_NONE, }, - { BFD_RELOC_16, R_SPARC_16, }, - { BFD_RELOC_16_PCREL, R_SPARC_DISP16 }, - { BFD_RELOC_8, R_SPARC_8 }, - { BFD_RELOC_8_PCREL, R_SPARC_DISP8 }, - { BFD_RELOC_CTOR, R_SPARC_32 }, - { BFD_RELOC_32, R_SPARC_32 }, - { BFD_RELOC_32_PCREL, R_SPARC_DISP32 }, - { BFD_RELOC_HI22, R_SPARC_HI22 }, - { BFD_RELOC_LO10, R_SPARC_LO10, }, - { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 }, - { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 }, - { BFD_RELOC_SPARC22, R_SPARC_22 }, - { BFD_RELOC_SPARC13, R_SPARC_13 }, - { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 }, - { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 }, - { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 }, - { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 }, - { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 }, - { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 }, - { BFD_RELOC_SPARC_COPY, R_SPARC_COPY }, - { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT }, - { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT }, - { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE }, - { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 }, - { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 }, - { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, - { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 }, - { BFD_RELOC_SPARC_10, R_SPARC_10 }, - { BFD_RELOC_SPARC_11, R_SPARC_11 }, - { BFD_RELOC_SPARC_64, R_SPARC_64 }, - { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 }, - { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 }, - { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 }, - { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 }, - { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 }, - { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 }, - { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 }, - { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 }, - { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 }, - { BFD_RELOC_SPARC_7, R_SPARC_7 }, - { BFD_RELOC_SPARC_5, R_SPARC_5 }, - { BFD_RELOC_SPARC_6, R_SPARC_6 }, - { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 }, - { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 }, - { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD }, - { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL }, - { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 }, - { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 }, - { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD }, - { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL }, - { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 }, - { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 }, - { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD }, - { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 }, - { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 }, - { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD }, - { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX }, - { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD }, - { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 }, - { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 }, - { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 }, - { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 }, - { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 }, - { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 }, - { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 }, - { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 }, - { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT }, - { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY }, - { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 } -}; - -static reloc_howto_type * -elf32_sparc_reloc_type_lookup (abfd, code) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; -{ - unsigned int i; - - switch (code) - { - case BFD_RELOC_VTABLE_INHERIT: - return &elf32_sparc_vtinherit_howto; - - case BFD_RELOC_VTABLE_ENTRY: - return &elf32_sparc_vtentry_howto; - - case BFD_RELOC_SPARC_REV32: - return &elf32_sparc_rev32_howto; - - default: - for (i = 0; - i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); - i++) - { - if (sparc_reloc_map[i].bfd_reloc_val == code) - return (_bfd_sparc_elf_howto_table - + (int) sparc_reloc_map[i].elf_reloc_val); - } - } - bfd_set_error (bfd_error_bad_value); - return NULL; -} - -/* We need to use ELF32_R_TYPE so we have our own copy of this function, - and elf64-sparc.c has its own copy. */ - -static void -elf32_sparc_info_to_howto (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf_Internal_Rela *dst; -{ - switch (ELF32_R_TYPE(dst->r_info)) - { - case R_SPARC_GNU_VTINHERIT: - cache_ptr->howto = &elf32_sparc_vtinherit_howto; - break; - - case R_SPARC_GNU_VTENTRY: - cache_ptr->howto = &elf32_sparc_vtentry_howto; - break; - - case R_SPARC_REV32: - cache_ptr->howto = &elf32_sparc_rev32_howto; - break; - - default: - BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max_std); - cache_ptr->howto = &_bfd_sparc_elf_howto_table[ELF32_R_TYPE(dst->r_info)]; - } -} - -/* For unsupported relocs. */ - -static bfd_reloc_status_type -sparc_elf_notsupported_reloc (abfd, - reloc_entry, - symbol, - data, - input_section, - output_bfd, - error_message) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *reloc_entry ATTRIBUTE_UNUSED; - asymbol *symbol ATTRIBUTE_UNUSED; - PTR data ATTRIBUTE_UNUSED; - asection *input_section ATTRIBUTE_UNUSED; - bfd *output_bfd ATTRIBUTE_UNUSED; - char **error_message ATTRIBUTE_UNUSED; -{ - return bfd_reloc_notsupported; -} - -/* Handle the WDISP16 reloc. */ - -static bfd_reloc_status_type -sparc_elf_wdisp16_reloc (abfd, - reloc_entry, - symbol, - data, - input_section, - output_bfd, - error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message ATTRIBUTE_UNUSED; -{ - bfd_vma relocation; - bfd_vma x; - - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && (! reloc_entry->howto->partial_inplace - || reloc_entry->addend == 0)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - if (output_bfd != NULL) - return bfd_reloc_continue; - - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - relocation = (symbol->value - + symbol->section->output_section->vma - + symbol->section->output_offset); - relocation += reloc_entry->addend; - relocation -= (input_section->output_section->vma - + input_section->output_offset); - relocation -= reloc_entry->address; - - x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); - x |= ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); - bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address); - - if ((bfd_signed_vma) relocation < - 0x40000 - || (bfd_signed_vma) relocation > 0x3ffff) - return bfd_reloc_overflow; - else - return bfd_reloc_ok; -} - -/* Handle the HIX22 reloc. */ - -static bfd_reloc_status_type -sparc_elf_hix22_reloc (abfd, - reloc_entry, - symbol, - data, - input_section, - output_bfd, - error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message ATTRIBUTE_UNUSED; -{ - bfd_vma relocation; - bfd_vma insn; - - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - if (output_bfd != NULL) - return bfd_reloc_continue; - - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - relocation = (symbol->value - + symbol->section->output_section->vma - + symbol->section->output_offset); - relocation += reloc_entry->addend; - insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); - - insn = (insn &~ (bfd_vma) 0x3fffff) | (((~relocation) >> 10) & 0x3fffff); - bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); - - return bfd_reloc_ok; -} - -/* Handle the LOX10 reloc. */ - -static bfd_reloc_status_type -sparc_elf_lox10_reloc (abfd, - reloc_entry, - symbol, - data, - input_section, - output_bfd, - error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message ATTRIBUTE_UNUSED; -{ - bfd_vma relocation; - bfd_vma insn; - - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - if (output_bfd != NULL) - return bfd_reloc_continue; - - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - relocation = (symbol->value - + symbol->section->output_section->vma - + symbol->section->output_offset); - relocation += reloc_entry->addend; - insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); - - insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff); - bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); - - return bfd_reloc_ok; -} - -/* Support for core dump NOTE sections. */ - -static bfd_boolean -elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) -{ - switch (note->descsz) - { - default: - return FALSE; - - case 260: /* Solaris prpsinfo_t. */ - elf_tdata (abfd)->core_program - = _bfd_elfcore_strndup (abfd, note->descdata + 84, 16); - elf_tdata (abfd)->core_command - = _bfd_elfcore_strndup (abfd, note->descdata + 100, 80); - break; - - case 336: /* Solaris psinfo_t. */ - elf_tdata (abfd)->core_program - = _bfd_elfcore_strndup (abfd, note->descdata + 88, 16); - elf_tdata (abfd)->core_command - = _bfd_elfcore_strndup (abfd, note->descdata + 104, 80); - break; - } - - return TRUE; -} - - -/* Functions for the SPARC ELF linker. */ - -/* The name of the dynamic interpreter. This is put in the .interp - section. */ - -#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" - -/* The nop opcode we use. */ - -#define SPARC_NOP 0x01000000 - -/* The size in bytes of an entry in the procedure linkage table. */ - -#define PLT_ENTRY_SIZE 12 - -/* The first four entries in a procedure linkage table are reserved, - and the initial contents are unimportant (we zero them out). - Subsequent entries look like this. See the SVR4 ABI SPARC - supplement to see how this works. */ - -/* sethi %hi(.-.plt0),%g1. We fill in the address later. */ -#define PLT_ENTRY_WORD0 0x03000000 -/* b,a .plt0. We fill in the offset later. */ -#define PLT_ENTRY_WORD1 0x30800000 -/* nop. */ -#define PLT_ENTRY_WORD2 SPARC_NOP - -/* The SPARC linker needs to keep track of the number of relocs that it - decides to copy as dynamic relocs in check_relocs for each symbol. - This is so that it can later discard them if they are found to be - unnecessary. We store the information in a field extending the - regular ELF linker hash table. */ - -struct elf32_sparc_dyn_relocs -{ - struct elf32_sparc_dyn_relocs *next; - - /* The input section of the reloc. */ - asection *sec; - - /* Total number of relocs copied for the input section. */ - bfd_size_type count; - - /* Number of pc-relative relocs copied for the input section. */ - bfd_size_type pc_count; -}; - -/* SPARC ELF linker hash entry. */ - -struct elf32_sparc_link_hash_entry -{ - struct elf_link_hash_entry elf; - - /* Track dynamic relocs copied for this symbol. */ - struct elf32_sparc_dyn_relocs *dyn_relocs; - -#define GOT_UNKNOWN 0 -#define GOT_NORMAL 1 -#define GOT_TLS_GD 2 -#define GOT_TLS_IE 3 - unsigned char tls_type; -}; - -#define elf32_sparc_hash_entry(ent) ((struct elf32_sparc_link_hash_entry *)(ent)) - -struct elf32_sparc_obj_tdata -{ - struct elf_obj_tdata root; - - /* tls_type for each local got entry. */ - char *local_got_tls_type; - - /* TRUE if TLS GD relocs has been seen for this object. */ - bfd_boolean has_tlsgd; -}; - -#define elf32_sparc_tdata(abfd) \ - ((struct elf32_sparc_obj_tdata *) (abfd)->tdata.any) - -#define elf32_sparc_local_got_tls_type(abfd) \ - (elf32_sparc_tdata (abfd)->local_got_tls_type) - -static bfd_boolean -elf32_sparc_mkobject (abfd) - bfd *abfd; -{ - bfd_size_type amt = sizeof (struct elf32_sparc_obj_tdata); - abfd->tdata.any = bfd_zalloc (abfd, amt); - if (abfd->tdata.any == NULL) - return FALSE; - return TRUE; -} - -/* SPARC ELF linker hash table. */ - -struct elf32_sparc_link_hash_table -{ - struct elf_link_hash_table elf; - - /* Short-cuts to get to dynamic linker sections. */ - asection *sgot; - asection *srelgot; - asection *splt; - asection *srelplt; - asection *sdynbss; - asection *srelbss; - - union { - bfd_signed_vma refcount; - bfd_vma offset; - } tls_ldm_got; - - /* Small local sym to section mapping cache. */ - struct sym_sec_cache sym_sec; -}; - -/* Get the SPARC ELF linker hash table from a link_info structure. */ - -#define elf32_sparc_hash_table(p) \ - ((struct elf32_sparc_link_hash_table *) ((p)->hash)) - -/* Create an entry in an i386 ELF linker hash table. */ - -static struct bfd_hash_entry * -link_hash_newfunc (entry, table, string) - struct bfd_hash_entry *entry; - struct bfd_hash_table *table; - const char *string; -{ - /* Allocate the structure if it has not already been allocated by a - subclass. */ - if (entry == NULL) - { - entry = bfd_hash_allocate (table, - sizeof (struct elf32_sparc_link_hash_entry)); - if (entry == NULL) - return entry; - } - - /* Call the allocation method of the superclass. */ - entry = _bfd_elf_link_hash_newfunc (entry, table, string); - if (entry != NULL) - { - struct elf32_sparc_link_hash_entry *eh; - - eh = (struct elf32_sparc_link_hash_entry *) entry; - eh->dyn_relocs = NULL; - eh->tls_type = GOT_UNKNOWN; - } - - return entry; -} - -/* Create a SPARC ELF linker hash table. */ - -static struct bfd_link_hash_table * -elf32_sparc_link_hash_table_create (abfd) - bfd *abfd; -{ - struct elf32_sparc_link_hash_table *ret; - bfd_size_type amt = sizeof (struct elf32_sparc_link_hash_table); - - ret = (struct elf32_sparc_link_hash_table *) bfd_malloc (amt); - if (ret == NULL) - return NULL; - - if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc)) - { - free (ret); - return NULL; - } - - ret->sgot = NULL; - ret->srelgot = NULL; - ret->splt = NULL; - ret->srelplt = NULL; - ret->sdynbss = NULL; - ret->srelbss = NULL; - ret->tls_ldm_got.refcount = 0; - ret->sym_sec.abfd = NULL; - - return &ret->elf.root; -} - -/* Create .got and .rela.got sections in DYNOBJ, and set up - shortcuts to them in our hash table. */ - -static bfd_boolean -create_got_section (dynobj, info) - bfd *dynobj; - struct bfd_link_info *info; -{ - struct elf32_sparc_link_hash_table *htab; - - if (! _bfd_elf_create_got_section (dynobj, info)) - return FALSE; - - htab = elf32_sparc_hash_table (info); - htab->sgot = bfd_get_section_by_name (dynobj, ".got"); - if (!htab->sgot) - abort (); - - htab->srelgot = bfd_make_section (dynobj, ".rela.got"); - if (htab->srelgot == NULL - || ! bfd_set_section_flags (dynobj, htab->srelgot, - (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS - | SEC_IN_MEMORY | SEC_LINKER_CREATED - | SEC_READONLY)) - || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) - return FALSE; - return TRUE; -} - -/* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and - .rela.bss sections in DYNOBJ, and set up shortcuts to them in our - hash table. */ - -static bfd_boolean -elf32_sparc_create_dynamic_sections (dynobj, info) - bfd *dynobj; - struct bfd_link_info *info; -{ - struct elf32_sparc_link_hash_table *htab; - - htab = elf32_sparc_hash_table (info); - if (!htab->sgot && !create_got_section (dynobj, info)) - return FALSE; - - if (!_bfd_elf_create_dynamic_sections (dynobj, info)) - return FALSE; - - htab->splt = bfd_get_section_by_name (dynobj, ".plt"); - htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt"); - htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); - if (!info->shared) - htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss"); - - if (!htab->splt || !htab->srelplt || !htab->sdynbss - || (!info->shared && !htab->srelbss)) - abort (); - - return TRUE; -} - -/* Copy the extra info we tack onto an elf_link_hash_entry. */ - -static void -elf32_sparc_copy_indirect_symbol (bed, dir, ind) - const struct elf_backend_data *bed; - struct elf_link_hash_entry *dir, *ind; -{ - struct elf32_sparc_link_hash_entry *edir, *eind; - - edir = (struct elf32_sparc_link_hash_entry *) dir; - eind = (struct elf32_sparc_link_hash_entry *) ind; - - if (eind->dyn_relocs != NULL) - { - if (edir->dyn_relocs != NULL) - { - struct elf32_sparc_dyn_relocs **pp; - struct elf32_sparc_dyn_relocs *p; - - if (ind->root.type == bfd_link_hash_indirect) - abort (); - - /* Add reloc counts against the weak sym to the strong sym - list. Merge any entries against the same section. */ - for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) - { - struct elf32_sparc_dyn_relocs *q; - - for (q = edir->dyn_relocs; q != NULL; q = q->next) - if (q->sec == p->sec) - { - q->pc_count += p->pc_count; - q->count += p->count; - *pp = p->next; - break; - } - if (q == NULL) - pp = &p->next; - } - *pp = edir->dyn_relocs; - } - - edir->dyn_relocs = eind->dyn_relocs; - eind->dyn_relocs = NULL; - } - - if (ind->root.type == bfd_link_hash_indirect - && dir->got.refcount <= 0) - { - edir->tls_type = eind->tls_type; - eind->tls_type = GOT_UNKNOWN; - } - _bfd_elf_link_hash_copy_indirect (bed, dir, ind); -} - -static int -elf32_sparc_tls_transition (info, abfd, r_type, is_local) - struct bfd_link_info *info; - bfd *abfd; - int r_type; - int is_local; -{ - if (r_type == R_SPARC_TLS_GD_HI22 - && ! elf32_sparc_tdata (abfd)->has_tlsgd) - r_type = R_SPARC_REV32; - - if (info->shared) - return r_type; - - switch (r_type) - { - case R_SPARC_TLS_GD_HI22: - if (is_local) - return R_SPARC_TLS_LE_HIX22; - return R_SPARC_TLS_IE_HI22; - case R_SPARC_TLS_GD_LO10: - if (is_local) - return R_SPARC_TLS_LE_LOX10; - return R_SPARC_TLS_IE_LO10; - case R_SPARC_TLS_IE_HI22: - if (is_local) - return R_SPARC_TLS_LE_HIX22; - return r_type; - case R_SPARC_TLS_IE_LO10: - if (is_local) - return R_SPARC_TLS_LE_LOX10; - return r_type; - case R_SPARC_TLS_LDM_HI22: - return R_SPARC_TLS_LE_HIX22; - case R_SPARC_TLS_LDM_LO10: - return R_SPARC_TLS_LE_LOX10; - } - - return r_type; -} - -/* Look through the relocs for a section during the first phase, and - allocate space in the global offset table or procedure linkage - table. */ - -static bfd_boolean -elf32_sparc_check_relocs (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; -{ - struct elf32_sparc_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - const Elf_Internal_Rela *rel; - const Elf_Internal_Rela *rel_end; - asection *sreloc; - bfd_boolean checked_tlsgd = FALSE; - - if (info->relocatable) - return TRUE; - - htab = elf32_sparc_hash_table (info); - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_offsets = elf_local_got_offsets (abfd); - - sreloc = NULL; - - rel_end = relocs + sec->reloc_count; - for (rel = relocs; rel < rel_end; rel++) - { - unsigned int r_type; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - - r_symndx = ELF32_R_SYM (rel->r_info); - r_type = ELF32_R_TYPE (rel->r_info); - - if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) - { - (*_bfd_error_handler) (_("%s: bad symbol index: %d"), - bfd_archive_filename (abfd), - r_symndx); - return FALSE; - } - - if (r_symndx < symtab_hdr->sh_info) - h = NULL; - else - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - - /* Compatibility with old R_SPARC_REV32 reloc conflicting - with R_SPARC_TLS_GD_HI22. */ - if (! checked_tlsgd) - switch (r_type) - { - case R_SPARC_TLS_GD_HI22: - { - const Elf_Internal_Rela *relt; - - for (relt = rel + 1; relt < rel_end; relt++) - if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10 - || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD - || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL) - break; - checked_tlsgd = TRUE; - elf32_sparc_tdata (abfd)->has_tlsgd = relt < rel_end; - } - break; - case R_SPARC_TLS_GD_LO10: - case R_SPARC_TLS_GD_ADD: - case R_SPARC_TLS_GD_CALL: - checked_tlsgd = TRUE; - elf32_sparc_tdata (abfd)->has_tlsgd = TRUE; - break; - } - - r_type = elf32_sparc_tls_transition (info, abfd, r_type, h == NULL); - switch (r_type) - { - case R_SPARC_TLS_LDM_HI22: - case R_SPARC_TLS_LDM_LO10: - htab->tls_ldm_got.refcount += 1; - break; - - case R_SPARC_TLS_LE_HIX22: - case R_SPARC_TLS_LE_LOX10: - if (info->shared) - goto r_sparc_plt32; - break; - - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - if (info->shared) - info->flags |= DF_STATIC_TLS; - /* Fall through */ - - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_GD_LO10: - /* This symbol requires a global offset table entry. */ - { - int tls_type, old_tls_type; - - switch (r_type) - { - default: - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - tls_type = GOT_NORMAL; - break; - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_GD_LO10: - tls_type = GOT_TLS_GD; - break; - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - tls_type = GOT_TLS_IE; - break; - } - - if (h != NULL) - { - h->got.refcount += 1; - old_tls_type = elf32_sparc_hash_entry(h)->tls_type; - } - else - { - bfd_signed_vma *local_got_refcounts; - - /* This is a global offset table entry for a local symbol. */ - local_got_refcounts = elf_local_got_refcounts (abfd); - if (local_got_refcounts == NULL) - { - bfd_size_type size; - - size = symtab_hdr->sh_info; - size *= (sizeof (bfd_signed_vma) + sizeof(char)); - local_got_refcounts = ((bfd_signed_vma *) - bfd_zalloc (abfd, size)); - if (local_got_refcounts == NULL) - return FALSE; - elf_local_got_refcounts (abfd) = local_got_refcounts; - elf32_sparc_local_got_tls_type (abfd) - = (char *) (local_got_refcounts + symtab_hdr->sh_info); - } - local_got_refcounts[r_symndx] += 1; - old_tls_type = elf32_sparc_local_got_tls_type (abfd) [r_symndx]; - } - - /* If a TLS symbol is accessed using IE at least once, - there is no point to use dynamic model for it. */ - if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN - && (old_tls_type != GOT_TLS_GD - || tls_type != GOT_TLS_IE)) - { - if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) - tls_type = old_tls_type; - else - { - (*_bfd_error_handler) - (_("%s: `%s' accessed both as normal and thread local symbol"), - bfd_archive_filename (abfd), - h ? h->root.root.string : "<local>"); - return FALSE; - } - } - - if (old_tls_type != tls_type) - { - if (h != NULL) - elf32_sparc_hash_entry (h)->tls_type = tls_type; - else - elf32_sparc_local_got_tls_type (abfd) [r_symndx] = tls_type; - } - } - - if (htab->sgot == NULL) - { - if (htab->elf.dynobj == NULL) - htab->elf.dynobj = abfd; - if (!create_got_section (htab->elf.dynobj, info)) - return FALSE; - } - break; - - case R_SPARC_TLS_GD_CALL: - case R_SPARC_TLS_LDM_CALL: - if (info->shared) - { - /* These are basically R_SPARC_TLS_WPLT30 relocs against - __tls_get_addr. */ - struct bfd_link_hash_entry *bh = NULL; - if (! _bfd_generic_link_add_one_symbol (info, abfd, - "__tls_get_addr", 0, - bfd_und_section_ptr, 0, - NULL, FALSE, FALSE, - &bh)) - return FALSE; - h = (struct elf_link_hash_entry *) bh; - } - else - break; - /* Fall through */ - - case R_SPARC_PLT32: - case R_SPARC_WPLT30: - /* This symbol requires a procedure linkage table entry. We - actually build the entry in adjust_dynamic_symbol, - because this might be a case of linking PIC code without - linking in any dynamic objects, in which case we don't - need to generate a procedure linkage table after all. */ - - if (h == NULL) - { - /* The Solaris native assembler will generate a WPLT30 - reloc for a local symbol if you assemble a call from - one section to another when using -K pic. We treat - it as WDISP30. */ - if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32) - goto r_sparc_plt32; - break; - } - - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; - - if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32) - goto r_sparc_plt32; - h->plt.refcount += 1; - break; - - case R_SPARC_PC10: - case R_SPARC_PC22: - if (h != NULL) - h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; - - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* Fall through. */ - - case R_SPARC_DISP8: - case R_SPARC_DISP16: - case R_SPARC_DISP32: - case R_SPARC_WDISP30: - case R_SPARC_WDISP22: - case R_SPARC_WDISP19: - case R_SPARC_WDISP16: - case R_SPARC_8: - case R_SPARC_16: - case R_SPARC_32: - case R_SPARC_HI22: - case R_SPARC_22: - case R_SPARC_13: - case R_SPARC_LO10: - case R_SPARC_UA16: - case R_SPARC_UA32: - if (h != NULL) - h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; - - r_sparc_plt32: - if (h != NULL && !info->shared) - { - /* We may need a .plt entry if the function this reloc - refers to is in a shared lib. */ - h->plt.refcount += 1; - } - - /* If we are creating a shared library, and this is a reloc - against a global symbol, or a non PC relative reloc - against a local symbol, then we need to copy the reloc - into the shared library. However, if we are linking with - -Bsymbolic, we do not need to copy a reloc against a - global symbol which is defined in an object we are - including in the link (i.e., DEF_REGULAR is set). At - this point we have not seen all the input files, so it is - possible that DEF_REGULAR is not set now but will be set - later (it is never cleared). In case of a weak definition, - DEF_REGULAR may be cleared later by a strong definition in - a shared library. We account for that possibility below by - storing information in the relocs_copied field of the hash - table entry. A similar situation occurs when creating - shared libraries and symbol visibility changes render the - symbol local. - - If on the other hand, we are creating an executable, we - may need to keep relocations for symbols satisfied by a - dynamic library if we manage to avoid copy relocs for the - symbol. */ - if ((info->shared - && (sec->flags & SEC_ALLOC) != 0 - && (! _bfd_sparc_elf_howto_table[r_type].pc_relative - || (h != NULL - && (! info->symbolic - || h->root.type == bfd_link_hash_defweak - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) - || (!info->shared - && (sec->flags & SEC_ALLOC) != 0 - && h != NULL - && (h->root.type == bfd_link_hash_defweak - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))) - { - struct elf32_sparc_dyn_relocs *p; - struct elf32_sparc_dyn_relocs **head; - - /* When creating a shared object, we must copy these - relocs into the output file. We create a reloc - section in dynobj and make room for the reloc. */ - if (sreloc == NULL) - { - const char *name; - bfd *dynobj; - - name = (bfd_elf_string_from_elf_section - (abfd, - elf_elfheader (abfd)->e_shstrndx, - elf_section_data (sec)->rel_hdr.sh_name)); - if (name == NULL) - return FALSE; - - BFD_ASSERT (strncmp (name, ".rela", 5) == 0 - && strcmp (bfd_get_section_name (abfd, sec), - name + 5) == 0); - - if (htab->elf.dynobj == NULL) - htab->elf.dynobj = abfd; - dynobj = htab->elf.dynobj; - - sreloc = bfd_get_section_by_name (dynobj, name); - if (sreloc == NULL) - { - flagword flags; - - sreloc = bfd_make_section (dynobj, name); - flags = (SEC_HAS_CONTENTS | SEC_READONLY - | SEC_IN_MEMORY | SEC_LINKER_CREATED); - if ((sec->flags & SEC_ALLOC) != 0) - flags |= SEC_ALLOC | SEC_LOAD; - if (sreloc == NULL - || ! bfd_set_section_flags (dynobj, sreloc, flags) - || ! bfd_set_section_alignment (dynobj, sreloc, 2)) - return FALSE; - } - elf_section_data (sec)->sreloc = sreloc; - } - - /* If this is a global symbol, we count the number of - relocations we need for this symbol. */ - if (h != NULL) - head = &((struct elf32_sparc_link_hash_entry *) h)->dyn_relocs; - else - { - /* Track dynamic relocs needed for local syms too. - We really need local syms available to do this - easily. Oh well. */ - - asection *s; - s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, - sec, r_symndx); - if (s == NULL) - return FALSE; - - head = ((struct elf32_sparc_dyn_relocs **) - &elf_section_data (s)->local_dynrel); - } - - p = *head; - if (p == NULL || p->sec != sec) - { - bfd_size_type amt = sizeof *p; - p = ((struct elf32_sparc_dyn_relocs *) - bfd_alloc (htab->elf.dynobj, amt)); - if (p == NULL) - return FALSE; - p->next = *head; - *head = p; - p->sec = sec; - p->count = 0; - p->pc_count = 0; - } - - p->count += 1; - if (_bfd_sparc_elf_howto_table[r_type].pc_relative) - p->pc_count += 1; - } - - break; - - case R_SPARC_GNU_VTINHERIT: - if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) - return FALSE; - break; - - case R_SPARC_GNU_VTENTRY: - if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) - return FALSE; - break; - - default: - break; - } - } - - return TRUE; -} - -static asection * -elf32_sparc_gc_mark_hook (sec, info, rel, h, sym) - asection *sec; - struct bfd_link_info *info ATTRIBUTE_UNUSED; - Elf_Internal_Rela *rel; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; -{ - if (h != NULL) - { - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_SPARC_GNU_VTINHERIT: - case R_SPARC_GNU_VTENTRY: - break; - - default: - switch (h->root.type) - { - case bfd_link_hash_defined: - case bfd_link_hash_defweak: - return h->root.u.def.section; - - case bfd_link_hash_common: - return h->root.u.c.p->section; - - default: - break; - } - } - } - else - return bfd_section_from_elf_index (sec->owner, sym->st_shndx); - - return NULL; -} - -/* Update the got entry reference counts for the section being removed. */ -static bfd_boolean -elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info ATTRIBUTE_UNUSED; - asection *sec; - const Elf_Internal_Rela *relocs; -{ - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_signed_vma *local_got_refcounts; - const Elf_Internal_Rela *rel, *relend; - - elf_section_data (sec)->local_dynrel = NULL; - - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_refcounts = elf_local_got_refcounts (abfd); - - relend = relocs + sec->reloc_count; - for (rel = relocs; rel < relend; rel++) - { - unsigned long r_symndx; - unsigned int r_type; - struct elf_link_hash_entry *h = NULL; - - r_symndx = ELF32_R_SYM (rel->r_info); - if (r_symndx >= symtab_hdr->sh_info) - { - struct elf32_sparc_link_hash_entry *eh; - struct elf32_sparc_dyn_relocs **pp; - struct elf32_sparc_dyn_relocs *p; - - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - eh = (struct elf32_sparc_link_hash_entry *) h; - for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) - if (p->sec == sec) - { - /* Everything must go for SEC. */ - *pp = p->next; - break; - } - } - - r_type = ELF32_R_TYPE (rel->r_info); - r_type = elf32_sparc_tls_transition (info, abfd, r_type, h != NULL); - switch (r_type) - { - case R_SPARC_TLS_LDM_HI22: - case R_SPARC_TLS_LDM_LO10: - if (elf32_sparc_hash_table (info)->tls_ldm_got.refcount > 0) - elf32_sparc_hash_table (info)->tls_ldm_got.refcount -= 1; - break; - - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_GD_LO10: - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - if (h != NULL) - { - if (h->got.refcount > 0) - h->got.refcount--; - } - else - { - if (local_got_refcounts[r_symndx] > 0) - local_got_refcounts[r_symndx]--; - } - break; - - case R_SPARC_PC10: - case R_SPARC_PC22: - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* Fall through. */ - - case R_SPARC_DISP8: - case R_SPARC_DISP16: - case R_SPARC_DISP32: - case R_SPARC_WDISP30: - case R_SPARC_WDISP22: - case R_SPARC_WDISP19: - case R_SPARC_WDISP16: - case R_SPARC_8: - case R_SPARC_16: - case R_SPARC_32: - case R_SPARC_HI22: - case R_SPARC_22: - case R_SPARC_13: - case R_SPARC_LO10: - case R_SPARC_UA16: - case R_SPARC_UA32: - case R_SPARC_PLT32: - if (info->shared) - break; - /* Fall through. */ - - case R_SPARC_WPLT30: - if (h != NULL) - { - if (h->plt.refcount > 0) - h->plt.refcount--; - } - break; - - default: - break; - } - } - - return TRUE; -} - -/* Adjust a symbol defined by a dynamic object and referenced by a - regular object. The current definition is in some section of the - dynamic object, but we're not including those sections. We have to - change the definition to something the rest of the link can - understand. */ - -static bfd_boolean -elf32_sparc_adjust_dynamic_symbol (info, h) - struct bfd_link_info *info; - struct elf_link_hash_entry *h; -{ - struct elf32_sparc_link_hash_table *htab; - struct elf32_sparc_link_hash_entry * eh; - struct elf32_sparc_dyn_relocs *p; - asection *s; - unsigned int power_of_two; - - htab = elf32_sparc_hash_table (info); - - /* Make sure we know what is going on here. */ - BFD_ASSERT (htab->elf.dynobj != NULL - && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) - || h->weakdef != NULL - || ((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_REF_REGULAR) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))); - - /* If this is a function, put it in the procedure linkage table. We - will fill in the contents of the procedure linkage table later - (although we could actually do it here). The STT_NOTYPE - condition is a hack specifically for the Oracle libraries - delivered for Solaris; for some inexplicable reason, they define - some of their functions as STT_NOTYPE when they really should be - STT_FUNC. */ - if (h->type == STT_FUNC - || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0 - || (h->type == STT_NOTYPE - && (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - && (h->root.u.def.section->flags & SEC_CODE) != 0)) - { - if (h->plt.refcount <= 0 - || (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0 - && h->root.type != bfd_link_hash_undefweak - && h->root.type != bfd_link_hash_undefined)) - { - /* This case can occur if we saw a WPLT30 reloc in an input - file, but the symbol was never referred to by a dynamic - object, or if all references were garbage collected. In - such a case, we don't actually need to build a procedure - linkage table, and we can just do a WDISP30 reloc instead. */ - h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; - } - - return TRUE; - } - else - h->plt.offset = (bfd_vma) -1; - - /* If this is a weak symbol, and there is a real definition, the - processor independent code will have arranged for us to see the - real definition first, and we can just use the same value. */ - if (h->weakdef != NULL) - { - BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined - || h->weakdef->root.type == bfd_link_hash_defweak); - h->root.u.def.section = h->weakdef->root.u.def.section; - h->root.u.def.value = h->weakdef->root.u.def.value; - return TRUE; - } - - /* This is a reference to a symbol defined by a dynamic object which - is not a function. */ - - /* If we are creating a shared library, we must presume that the - only references to the symbol are via the global offset table. - For such cases we need not do anything here; the relocations will - be handled correctly by relocate_section. */ - if (info->shared) - return TRUE; - - /* If there are no references to this symbol that do not use the - GOT, we don't need to generate a copy reloc. */ - if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0) - return TRUE; - - eh = (struct elf32_sparc_link_hash_entry *) h; - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - s = p->sec->output_section; - if (s != NULL && (s->flags & SEC_READONLY) != 0) - break; - } - - /* If we didn't find any dynamic relocs in read-only sections, then - we'll be keeping the dynamic relocs and avoiding the copy reloc. */ - if (p == NULL) - { - h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF; - return TRUE; - } - - /* We must allocate the symbol in our .dynbss section, which will - become part of the .bss section of the executable. There will be - an entry for this symbol in the .dynsym section. The dynamic - object will contain position independent code, so all references - from the dynamic object to this symbol will go through the global - offset table. The dynamic linker will use the .dynsym entry to - determine the address it must put in the global offset table, so - both the dynamic object and the regular object will refer to the - same memory location for the variable. */ - - /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker - to copy the initial value out of the dynamic object and into the - runtime process image. We need to remember the offset into the - .rel.bss section we are going to use. */ - if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) - { - htab->srelbss->_raw_size += sizeof (Elf32_External_Rela); - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; - } - - /* We need to figure out the alignment required for this symbol. I - have no idea how ELF linkers handle this. */ - power_of_two = bfd_log2 (h->size); - if (power_of_two > 3) - power_of_two = 3; - - /* Apply the required alignment. */ - s = htab->sdynbss; - s->_raw_size = BFD_ALIGN (s->_raw_size, - (bfd_size_type) (1 << power_of_two)); - if (power_of_two > bfd_get_section_alignment (dynobj, s)) - { - if (! bfd_set_section_alignment (dynobj, s, power_of_two)) - return FALSE; - } - - /* Define the symbol as being at this point in the section. */ - h->root.u.def.section = s; - h->root.u.def.value = s->_raw_size; - - /* Increment the section size to make room for the symbol. */ - s->_raw_size += h->size; - - return TRUE; -} - -/* Allocate space in .plt, .got and associated reloc sections for - dynamic relocs. */ - -static bfd_boolean -allocate_dynrelocs (h, inf) - struct elf_link_hash_entry *h; - PTR inf; -{ - struct bfd_link_info *info; - struct elf32_sparc_link_hash_table *htab; - struct elf32_sparc_link_hash_entry *eh; - struct elf32_sparc_dyn_relocs *p; - - if (h->root.type == bfd_link_hash_indirect) - return TRUE; - - if (h->root.type == bfd_link_hash_warning) - /* When warning symbols are created, they **replace** the "real" - entry in the hash table, thus we never get to see the real - symbol in a hash traversal. So look at it now. */ - h = (struct elf_link_hash_entry *) h->root.u.i.link; - - info = (struct bfd_link_info *) inf; - htab = elf32_sparc_hash_table (info); - - if (htab->elf.dynamic_sections_created - && h->plt.refcount > 0) - { - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - - if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)) - { - asection *s = htab->splt; - - /* The first four entries in .plt are reserved. */ - if (s->_raw_size == 0) - s->_raw_size = 4 * PLT_ENTRY_SIZE; - - /* The procedure linkage table has a maximum size. */ - if (s->_raw_size >= 0x400000) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - h->plt.offset = s->_raw_size; - - /* If this symbol is not defined in a regular file, and we are - not generating a shared library, then set the symbol to this - location in the .plt. This is required to make function - pointers compare as equal between the normal executable and - the shared library. */ - if (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) - { - h->root.u.def.section = s; - h->root.u.def.value = h->plt.offset; - } - - /* Make room for this entry. */ - s->_raw_size += PLT_ENTRY_SIZE; - - /* We also need to make an entry in the .rela.plt section. */ - htab->srelplt->_raw_size += sizeof (Elf32_External_Rela); - } - else - { - h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; - } - } - else - { - h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; - } - - /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary, - make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */ - if (h->got.refcount > 0 - && !info->shared - && h->dynindx == -1 - && elf32_sparc_hash_entry(h)->tls_type == GOT_TLS_IE) - h->got.offset = (bfd_vma) -1; - else if (h->got.refcount > 0) - { - asection *s; - bfd_boolean dyn; - int tls_type = elf32_sparc_hash_entry(h)->tls_type; - - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - - s = htab->sgot; - h->got.offset = s->_raw_size; - s->_raw_size += 4; - /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */ - if (tls_type == GOT_TLS_GD) - s->_raw_size += 4; - dyn = htab->elf.dynamic_sections_created; - /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation, - R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if - global. */ - if ((tls_type == GOT_TLS_GD && h->dynindx == -1) - || tls_type == GOT_TLS_IE) - htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); - else if (tls_type == GOT_TLS_GD) - htab->srelgot->_raw_size += 2 * sizeof (Elf32_External_Rela); - else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)) - htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); - } - else - h->got.offset = (bfd_vma) -1; - - eh = (struct elf32_sparc_link_hash_entry *) h; - if (eh->dyn_relocs == NULL) - return TRUE; - - /* In the shared -Bsymbolic case, discard space allocated for - dynamic pc-relative relocs against symbols which turn out to be - defined in regular objects. For the normal shared case, discard - space for pc-relative relocs that have become local due to symbol - visibility changes. */ - - if (info->shared) - { - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0 - && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0 - || info->symbolic)) - { - struct elf32_sparc_dyn_relocs **pp; - - for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) - { - p->count -= p->pc_count; - p->pc_count = 0; - if (p->count == 0) - *pp = p->next; - else - pp = &p->next; - } - } - } - else - { - /* For the non-shared case, discard space for relocs against - symbols which turn out to need copy relocs or are not - dynamic. */ - - if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) - || (htab->elf.dynamic_sections_created - && (h->root.type == bfd_link_hash_undefweak - || h->root.type == bfd_link_hash_undefined)))) - { - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) - { - if (! bfd_elf_link_record_dynamic_symbol (info, h)) - return FALSE; - } - - /* If that succeeded, we know we'll be keeping all the - relocs. */ - if (h->dynindx != -1) - goto keep; - } - - eh->dyn_relocs = NULL; - - keep: ; - } - - /* Finally, allocate space. */ - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - asection *sreloc = elf_section_data (p->sec)->sreloc; - sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela); - } - - return TRUE; -} - -/* Find any dynamic relocs that apply to read-only sections. */ - -static bfd_boolean -readonly_dynrelocs (h, inf) - struct elf_link_hash_entry *h; - PTR inf; -{ - struct elf32_sparc_link_hash_entry *eh; - struct elf32_sparc_dyn_relocs *p; - - if (h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - - eh = (struct elf32_sparc_link_hash_entry *) h; - for (p = eh->dyn_relocs; p != NULL; p = p->next) - { - asection *s = p->sec->output_section; - - if (s != NULL && (s->flags & SEC_READONLY) != 0) - { - struct bfd_link_info *info = (struct bfd_link_info *) inf; - - info->flags |= DF_TEXTREL; - - /* Not an error, just cut short the traversal. */ - return FALSE; - } - } - return TRUE; -} - -/* Set the sizes of the dynamic sections. */ - -static bfd_boolean -elf32_sparc_size_dynamic_sections (output_bfd, info) - bfd *output_bfd ATTRIBUTE_UNUSED; - struct bfd_link_info *info; -{ - struct elf32_sparc_link_hash_table *htab; - bfd *dynobj; - asection *s; - bfd *ibfd; - - htab = elf32_sparc_hash_table (info); - dynobj = htab->elf.dynobj; - BFD_ASSERT (dynobj != NULL); - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Set the contents of the .interp section to the interpreter. */ - if (info->executable) - { - s = bfd_get_section_by_name (dynobj, ".interp"); - BFD_ASSERT (s != NULL); - s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; - s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; - } - } - - /* Set up .got offsets for local syms, and space for local dynamic - relocs. */ - for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) - { - bfd_signed_vma *local_got; - bfd_signed_vma *end_local_got; - char *local_tls_type; - bfd_size_type locsymcount; - Elf_Internal_Shdr *symtab_hdr; - asection *srel; - - if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) - continue; - - for (s = ibfd->sections; s != NULL; s = s->next) - { - struct elf32_sparc_dyn_relocs *p; - - for (p = *((struct elf32_sparc_dyn_relocs **) - &elf_section_data (s)->local_dynrel); - p != NULL; - p = p->next) - { - if (!bfd_is_abs_section (p->sec) - && bfd_is_abs_section (p->sec->output_section)) - { - /* Input section has been discarded, either because - it is a copy of a linkonce section or due to - linker script /DISCARD/, so we'll be discarding - the relocs too. */ - } - else if (p->count != 0) - { - srel = elf_section_data (p->sec)->sreloc; - srel->_raw_size += p->count * sizeof (Elf32_External_Rela); - if ((p->sec->output_section->flags & SEC_READONLY) != 0) - info->flags |= DF_TEXTREL; - } - } - } - - local_got = elf_local_got_refcounts (ibfd); - if (!local_got) - continue; - - symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; - locsymcount = symtab_hdr->sh_info; - end_local_got = local_got + locsymcount; - local_tls_type = elf32_sparc_local_got_tls_type (ibfd); - s = htab->sgot; - srel = htab->srelgot; - for (; local_got < end_local_got; ++local_got, ++local_tls_type) - { - if (*local_got > 0) - { - *local_got = s->_raw_size; - s->_raw_size += 4; - if (*local_tls_type == GOT_TLS_GD) - s->_raw_size += 4; - if (info->shared - || *local_tls_type == GOT_TLS_GD - || *local_tls_type == GOT_TLS_IE) - srel->_raw_size += sizeof (Elf32_External_Rela); - } - else - *local_got = (bfd_vma) -1; - } - } - - if (htab->tls_ldm_got.refcount > 0) - { - /* Allocate 2 got entries and 1 dynamic reloc for - R_SPARC_TLS_LDM_{HI22,LO10} relocs. */ - htab->tls_ldm_got.offset = htab->sgot->_raw_size; - htab->sgot->_raw_size += 8; - htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); - } - else - htab->tls_ldm_got.offset = -1; - - /* Allocate global sym .plt and .got entries, and space for global - sym dynamic relocs. */ - elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info); - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Make space for the trailing nop in .plt. */ - if (htab->splt->_raw_size > 0) - htab->splt->_raw_size += 4; - - /* 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 (htab->sgot->_raw_size >= 0x1000 - && elf_hash_table (info)->hgot->root.u.def.value == 0) - elf_hash_table (info)->hgot->root.u.def.value = 0x1000; - } - - /* The check_relocs and adjust_dynamic_symbol entry points have - determined the sizes of the various dynamic sections. Allocate - memory for them. */ - for (s = dynobj->sections; s != NULL; s = s->next) - { - const char *name; - bfd_boolean strip = FALSE; - - if ((s->flags & SEC_LINKER_CREATED) == 0) - continue; - - /* It's OK to base decisions on the section name, because none - of the dynobj section names depend upon the input files. */ - name = bfd_get_section_name (dynobj, s); - - if (strncmp (name, ".rela", 5) == 0) - { - if (s->_raw_size == 0) - { - /* If we don't need this section, strip it from the - output file. This is to handle .rela.bss and - .rel.plt. We must create it in - create_dynamic_sections, because it must be created - before the linker maps input sections to output - sections. The linker does that before - adjust_dynamic_symbol is called, and it is that - function which decides whether anything needs to go - into these sections. */ - strip = TRUE; - } - else - { - /* We use the reloc_count field as a counter if we need - to copy relocs into the output file. */ - s->reloc_count = 0; - } - } - else if (s != htab->splt && s != htab->sgot) - { - /* It's not one of our sections, so don't allocate space. */ - continue; - } - - if (strip) - { - _bfd_strip_section_from_output (info, s); - continue; - } - - /* Allocate memory for the section contents. */ - /* FIXME: This should be a call to bfd_alloc not bfd_zalloc. - Unused entries should be reclaimed before the section's contents - are written out, but at the moment this does not happen. Thus in - order to prevent writing out garbage, we initialise the section's - contents to zero. */ - s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size); - if (s->contents == NULL && s->_raw_size != 0) - return FALSE; - } - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Add some entries to the .dynamic section. We fill in the - values later, in elf32_sparc_finish_dynamic_sections, but we - must add the entries now so that we get the correct size for - the .dynamic section. The DT_DEBUG entry is filled in by the - dynamic linker and used by the debugger. */ -#define add_dynamic_entry(TAG, VAL) \ - _bfd_elf_add_dynamic_entry (info, TAG, VAL) - - if (info->executable) - { - if (!add_dynamic_entry (DT_DEBUG, 0)) - return FALSE; - } - - if (htab->srelplt->_raw_size != 0) - { - if (!add_dynamic_entry (DT_PLTGOT, 0) - || !add_dynamic_entry (DT_PLTRELSZ, 0) - || !add_dynamic_entry (DT_PLTREL, DT_RELA) - || !add_dynamic_entry (DT_JMPREL, 0)) - return FALSE; - } - - if (!add_dynamic_entry (DT_RELA, 0) - || !add_dynamic_entry (DT_RELASZ, 0) - || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela))) - return FALSE; - - /* If any dynamic relocs apply to a read-only section, - then we need a DT_TEXTREL entry. */ - if ((info->flags & DF_TEXTREL) == 0) - elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, - (PTR) info); - - if (info->flags & DF_TEXTREL) - { - if (!add_dynamic_entry (DT_TEXTREL, 0)) - return FALSE; - } - } -#undef add_dynamic_entry - - return TRUE; -} - -struct elf32_sparc_section_data -{ - struct bfd_elf_section_data elf; - unsigned int do_relax; -}; - -#define sec_do_relax(sec) \ - ((struct elf32_sparc_section_data *) elf_section_data (sec))->do_relax - -static bfd_boolean -elf32_sparc_new_section_hook (abfd, sec) - bfd *abfd; - asection *sec; -{ - struct elf32_sparc_section_data *sdata; - bfd_size_type amt = sizeof (*sdata); - - sdata = (struct elf32_sparc_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 -elf32_sparc_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; -} - -/* Return the base VMA address which should be subtracted from real addresses - when resolving @dtpoff relocation. - This is PT_TLS segment p_vaddr. */ - -static bfd_vma -dtpoff_base (info) - struct bfd_link_info *info; -{ - /* If tls_sec is NULL, we should have signalled an error already. */ - if (elf_hash_table (info)->tls_sec == NULL) - return 0; - return elf_hash_table (info)->tls_sec->vma; -} - -/* Return the relocation value for @tpoff relocation - if STT_TLS virtual address is ADDRESS. */ - -static bfd_vma -tpoff (info, address) - struct bfd_link_info *info; - bfd_vma address; -{ - struct elf_link_hash_table *htab = elf_hash_table (info); - - /* If tls_sec is NULL, we should have signalled an error already. */ - if (htab->tls_sec == NULL) - return 0; - return address - htab->tls_size - htab->tls_sec->vma; -} - -/* Relocate a SPARC ELF section. */ - -static bfd_boolean -elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, local_syms, local_sections) - bfd *output_bfd; - struct bfd_link_info *info; - bfd *input_bfd; - asection *input_section; - bfd_byte *contents; - Elf_Internal_Rela *relocs; - Elf_Internal_Sym *local_syms; - asection **local_sections; -{ - struct elf32_sparc_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - bfd_vma got_base; - asection *sreloc; - Elf_Internal_Rela *rel; - Elf_Internal_Rela *relend; - - if (info->relocatable) - return TRUE; - - htab = elf32_sparc_hash_table (info); - symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (input_bfd); - local_got_offsets = elf_local_got_offsets (input_bfd); - - if (elf_hash_table (info)->hgot == NULL) - got_base = 0; - else - got_base = elf_hash_table (info)->hgot->root.u.def.value; - - sreloc = elf_section_data (input_section)->sreloc; - - rel = relocs; - relend = relocs + input_section->reloc_count; - for (; rel < relend; rel++) - { - int r_type, tls_type; - reloc_howto_type *howto; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; - asection *sec; - bfd_vma relocation, off; - bfd_reloc_status_type r; - bfd_boolean is_plt = FALSE; - bfd_boolean unresolved_reloc; - - r_type = ELF32_R_TYPE (rel->r_info); - - if (r_type == R_SPARC_GNU_VTINHERIT - || r_type == R_SPARC_GNU_VTENTRY) - continue; - - if (r_type < 0 || r_type >= (int) R_SPARC_max_std) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - howto = _bfd_sparc_elf_howto_table + r_type; - - /* This is a final link. */ - r_symndx = ELF32_R_SYM (rel->r_info); - h = NULL; - sym = NULL; - sec = NULL; - unresolved_reloc = FALSE; - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - sec = local_sections[r_symndx]; - relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); - } - else - { - bfd_boolean warned ATTRIBUTE_UNUSED; - - RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, - r_symndx, symtab_hdr, sym_hashes, - h, sec, relocation, - unresolved_reloc, warned); - } - - switch (r_type) - { - case R_SPARC_GOT10: - case R_SPARC_GOT13: - case R_SPARC_GOT22: - /* Relocation is to the entry for this symbol in the global - offset table. */ - if (htab->sgot == NULL) - abort (); - - if (h != NULL) - { - bfd_boolean dyn; - - off = h->got.offset; - BFD_ASSERT (off != (bfd_vma) -1); - dyn = elf_hash_table (info)->dynamic_sections_created; - - if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) - || (info->shared - && (info->symbolic - || h->dynindx == -1 - || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))) - { - /* This is actually a static link, or it is a - -Bsymbolic link and the symbol is defined - locally, or the symbol was forced to be local - because of a version file. We must initialize - this entry in the global offset table. Since the - offset must always be a multiple of 4, we use the - least significant bit to record whether we have - initialized it already. - - When doing a dynamic link, we create a .rela.got - relocation entry to initialize the value. This - is done in the finish_dynamic_symbol routine. */ - if ((off & 1) != 0) - off &= ~1; - else - { - bfd_put_32 (output_bfd, relocation, - htab->sgot->contents + off); - h->got.offset |= 1; - } - } - else - unresolved_reloc = FALSE; - } - else - { - BFD_ASSERT (local_got_offsets != NULL - && local_got_offsets[r_symndx] != (bfd_vma) -1); - - off = local_got_offsets[r_symndx]; - - /* The offset must always be a multiple of 4. We use - the least significant bit to record whether we have - already processed this entry. */ - if ((off & 1) != 0) - off &= ~1; - else - { - - if (info->shared) - { - asection *s; - Elf_Internal_Rela outrel; - bfd_byte *loc; - - /* We need to generate a R_SPARC_RELATIVE reloc - for the dynamic linker. */ - s = htab->srelgot; - BFD_ASSERT (s != NULL); - - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset - + off); - outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE); - outrel.r_addend = relocation; - relocation = 0; - loc = s->contents; - loc += s->reloc_count++ * sizeof (Elf32_External_Rela); - bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); - } - - bfd_put_32 (output_bfd, relocation, - htab->sgot->contents + off); - local_got_offsets[r_symndx] |= 1; - } - } - relocation = htab->sgot->output_offset + off - got_base; - break; - - case R_SPARC_PLT32: - if (h == NULL || h->plt.offset == (bfd_vma) -1) - { - r_type = R_SPARC_32; - goto r_sparc_plt32; - } - /* Fall through. */ - case R_SPARC_WPLT30: - r_sparc_wplt30: - /* Relocation is to the entry for this symbol in the - procedure linkage table. */ - - /* The Solaris native assembler will generate a WPLT30 reloc - for a local symbol if you assemble a call from one - section to another when using -K pic. We treat it as - WDISP30. */ - if (h == NULL) - break; - - if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL) - { - /* We didn't make a PLT entry for this symbol. This - happens when statically linking PIC code, or when - using -Bsymbolic. */ - break; - } - - relocation = (htab->splt->output_section->vma - + htab->splt->output_offset - + h->plt.offset); - unresolved_reloc = FALSE; - if (r_type == R_SPARC_PLT32) - { - r_type = R_SPARC_32; - is_plt = TRUE; - goto r_sparc_plt32; - } - break; - - case R_SPARC_PC10: - case R_SPARC_PC22: - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* Fall through. */ - case R_SPARC_DISP8: - case R_SPARC_DISP16: - case R_SPARC_DISP32: - case R_SPARC_WDISP30: - case R_SPARC_WDISP22: - case R_SPARC_WDISP19: - case R_SPARC_WDISP16: - case R_SPARC_8: - case R_SPARC_16: - case R_SPARC_32: - case R_SPARC_HI22: - case R_SPARC_22: - case R_SPARC_13: - case R_SPARC_LO10: - case R_SPARC_UA16: - case R_SPARC_UA32: - r_sparc_plt32: - /* r_symndx will be zero only for relocs against symbols - from removed linkonce sections, or sections discarded by - a linker script. */ - if (r_symndx == 0 - || (input_section->flags & SEC_ALLOC) == 0) - break; - - if ((info->shared - && (! howto->pc_relative - || (h != NULL - && h->dynindx != -1 - && (! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) - || (!info->shared - && h != NULL - && h->dynindx != -1 - && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && (((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0) - || h->root.type == bfd_link_hash_undefweak - || h->root.type == bfd_link_hash_undefined))) - { - Elf_Internal_Rela outrel; - bfd_byte *loc; - bfd_boolean skip, relocate = FALSE; - - /* When generating a shared object, these relocations - are copied into the output file to be resolved at run - time. */ - - BFD_ASSERT (sreloc != NULL); - - skip = FALSE; - - outrel.r_offset = - _bfd_elf_section_offset (output_bfd, info, input_section, - rel->r_offset); - if (outrel.r_offset == (bfd_vma) -1) - skip = TRUE; - else if (outrel.r_offset == (bfd_vma) -2) - skip = TRUE, relocate = TRUE; - outrel.r_offset += (input_section->output_section->vma - + input_section->output_offset); - - /* Optimize unaligned reloc usage now that we know where - it finally resides. */ - switch (r_type) - { - case R_SPARC_16: - if (outrel.r_offset & 1) - r_type = R_SPARC_UA16; - break; - case R_SPARC_UA16: - if (!(outrel.r_offset & 1)) - r_type = R_SPARC_16; - break; - case R_SPARC_32: - if (outrel.r_offset & 3) - r_type = R_SPARC_UA32; - break; - case R_SPARC_UA32: - if (!(outrel.r_offset & 3)) - r_type = R_SPARC_32; - break; - case R_SPARC_DISP8: - case R_SPARC_DISP16: - case R_SPARC_DISP32: - /* If the symbol is not dynamic, we should not keep - a dynamic relocation. But an .rela.* slot has been - allocated for it, output R_SPARC_NONE. - FIXME: Add code tracking needed dynamic relocs as - e.g. i386 has. */ - if (h->dynindx == -1) - skip = TRUE, relocate = TRUE; - break; - } - - if (skip) - memset (&outrel, 0, sizeof outrel); - /* h->dynindx may be -1 if the symbol was marked to - become local. */ - else if (h != NULL && ! is_plt - && ((! info->symbolic && h->dynindx != -1) - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)) - { - BFD_ASSERT (h->dynindx != -1); - outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); - outrel.r_addend = rel->r_addend; - } - else - { - if (r_type == R_SPARC_32) - { - outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE); - outrel.r_addend = relocation + rel->r_addend; - } - else - { - long indx; - - if (is_plt) - sec = htab->splt; - - if (bfd_is_abs_section (sec)) - indx = 0; - else if (sec == NULL || sec->owner == NULL) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - else - { - asection *osec; - - osec = sec->output_section; - indx = elf_section_data (osec)->dynindx; - - /* FIXME: we really should be able to link non-pic - shared libraries. */ - if (indx == 0) - { - BFD_FAIL (); - (*_bfd_error_handler) - (_("%s: probably compiled without -fPIC?"), - bfd_archive_filename (input_bfd)); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - } - - outrel.r_info = ELF32_R_INFO (indx, r_type); - outrel.r_addend = relocation + rel->r_addend; - } - } - - loc = sreloc->contents; - loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); - bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); - - /* This reloc will be computed at runtime, so there's no - need to do anything now. */ - if (! relocate) - continue; - } - break; - - case R_SPARC_TLS_GD_HI22: - if (! elf32_sparc_tdata (input_bfd)->has_tlsgd) - { - /* R_SPARC_REV32 used the same reloc number as - R_SPARC_TLS_GD_HI22. */ - r_type = R_SPARC_REV32; - break; - } - /* Fall through */ - - case R_SPARC_TLS_GD_LO10: - case R_SPARC_TLS_IE_HI22: - case R_SPARC_TLS_IE_LO10: - r_type = elf32_sparc_tls_transition (info, input_bfd, r_type, - h == NULL); - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - { - tls_type = elf32_sparc_hash_entry(h)->tls_type; - if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE) - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_SPARC_TLS_GD_HI22: - case R_SPARC_TLS_IE_HI22: - r_type = R_SPARC_TLS_LE_HIX22; - break; - default: - r_type = R_SPARC_TLS_LE_LOX10; - break; - } - } - if (tls_type == GOT_TLS_IE) - switch (r_type) - { - case R_SPARC_TLS_GD_HI22: - r_type = R_SPARC_TLS_IE_HI22; - break; - case R_SPARC_TLS_GD_LO10: - r_type = R_SPARC_TLS_IE_LO10; - break; - } - - if (r_type == R_SPARC_TLS_LE_HIX22) - { - relocation = tpoff (info, relocation); - break; - } - if (r_type == R_SPARC_TLS_LE_LOX10) - { - /* Change add into xor. */ - relocation = tpoff (info, relocation); - bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd, - contents + rel->r_offset) - | 0x80182000), contents + rel->r_offset); - break; - } - - if (h != NULL) - { - off = h->got.offset; - h->got.offset |= 1; - } - else - { - BFD_ASSERT (local_got_offsets != NULL); - off = local_got_offsets[r_symndx]; - local_got_offsets[r_symndx] |= 1; - } - - r_sparc_tlsldm: - if (htab->sgot == NULL) - abort (); - - if ((off & 1) != 0) - off &= ~1; - else - { - Elf_Internal_Rela outrel; - Elf32_External_Rela *loc; - int dr_type, indx; - - if (htab->srelgot == NULL) - abort (); - - bfd_put_32 (output_bfd, 0, htab->sgot->contents + off); - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off); - indx = h && h->dynindx != -1 ? h->dynindx : 0; - if (r_type == R_SPARC_TLS_IE_HI22 - || r_type == R_SPARC_TLS_IE_LO10) - dr_type = R_SPARC_TLS_TPOFF32; - else - dr_type = R_SPARC_TLS_DTPMOD32; - if (dr_type == R_SPARC_TLS_TPOFF32 && indx == 0) - outrel.r_addend = relocation - dtpoff_base (info); - else - outrel.r_addend = 0; - outrel.r_info = ELF32_R_INFO (indx, dr_type); - loc = (Elf32_External_Rela *) htab->srelgot->contents; - loc += htab->srelgot->reloc_count++; - bfd_elf32_swap_reloca_out (output_bfd, &outrel, - (bfd_byte *) loc); - - if (r_type == R_SPARC_TLS_GD_HI22 - || r_type == R_SPARC_TLS_GD_LO10) - { - if (indx == 0) - { - BFD_ASSERT (! unresolved_reloc); - bfd_put_32 (output_bfd, - relocation - dtpoff_base (info), - htab->sgot->contents + off + 4); - } - else - { - bfd_put_32 (output_bfd, 0, - htab->sgot->contents + off + 4); - outrel.r_info = ELF32_R_INFO (indx, - R_SPARC_TLS_DTPOFF32); - outrel.r_offset += 4; - htab->srelgot->reloc_count++; - loc++; - bfd_elf32_swap_reloca_out (output_bfd, &outrel, - (bfd_byte *) loc); - } - } - else if (dr_type == R_SPARC_TLS_DTPMOD32) - { - bfd_put_32 (output_bfd, 0, - htab->sgot->contents + off + 4); - } - } - - if (off >= (bfd_vma) -2) - abort (); - - relocation = htab->sgot->output_offset + off - got_base; - unresolved_reloc = FALSE; - howto = _bfd_sparc_elf_howto_table + r_type; - break; - - case R_SPARC_TLS_LDM_HI22: - case R_SPARC_TLS_LDM_LO10: - if (! info->shared) - { - bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); - continue; - } - off = htab->tls_ldm_got.offset; - htab->tls_ldm_got.offset |= 1; - goto r_sparc_tlsldm; - - case R_SPARC_TLS_LDO_HIX22: - case R_SPARC_TLS_LDO_LOX10: - if (info->shared) - relocation -= dtpoff_base (info); - else - relocation = tpoff (info, relocation); - break; - - case R_SPARC_TLS_LE_HIX22: - case R_SPARC_TLS_LE_LOX10: - if (info->shared) - { - Elf_Internal_Rela outrel; - bfd_boolean skip, relocate = FALSE; - - BFD_ASSERT (sreloc != NULL); - skip = FALSE; - outrel.r_offset = - _bfd_elf_section_offset (output_bfd, info, input_section, - rel->r_offset); - if (outrel.r_offset == (bfd_vma) -1) - skip = TRUE; - else if (outrel.r_offset == (bfd_vma) -2) - skip = TRUE, relocate = TRUE; - outrel.r_offset += (input_section->output_section->vma - + input_section->output_offset); - if (skip) - memset (&outrel, 0, sizeof outrel); - else - { - outrel.r_info = ELF32_R_INFO (0, r_type); - outrel.r_addend = relocation - dtpoff_base (info) - + rel->r_addend; - } - - bfd_elf32_swap_reloca_out (output_bfd, &outrel, - (bfd_byte *) (((Elf32_External_Rela *) - sreloc->contents) - + sreloc->reloc_count)); - ++sreloc->reloc_count; - continue; - } - relocation = tpoff (info, relocation); - break; - - case R_SPARC_TLS_LDM_CALL: - if (! info->shared) - { - /* mov %g0, %o0 */ - bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset); - continue; - } - /* Fall through */ - - case R_SPARC_TLS_GD_CALL: - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - tls_type = elf32_sparc_hash_entry(h)->tls_type; - if (! info->shared - || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE)) - { - bfd_vma insn; - - if (!info->shared && (h == NULL || h->dynindx == -1)) - { - /* GD -> LE */ - bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); - continue; - } - - /* GD -> IE */ - if (rel + 1 < relend - && ELF32_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD - && rel[1].r_offset == rel->r_offset + 4 - && ELF32_R_SYM (rel[1].r_info) == r_symndx - && (((insn = bfd_get_32 (input_bfd, - contents + rel[1].r_offset)) - >> 25) & 0x1f) == 8) - { - /* We have - call __tls_get_addr, %tgd_call(foo) - add %reg1, %reg2, %o0, %tgd_add(foo) - and change it into IE: - ld [%reg1 + %reg2], %o0, %tie_ld(foo) - add %g7, %o0, %o0, %tie_add(foo). - add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2, - ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2. */ - bfd_put_32 (output_bfd, insn | 0xc0000000, - contents + rel->r_offset); - bfd_put_32 (output_bfd, 0x9001c008, - contents + rel->r_offset + 4); - rel++; - continue; - } - - bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset); - continue; - } - - h = (struct elf_link_hash_entry *) - bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, - FALSE, TRUE); - BFD_ASSERT (h != NULL); - r_type = R_SPARC_WPLT30; - howto = _bfd_sparc_elf_howto_table + r_type; - goto r_sparc_wplt30; - - case R_SPARC_TLS_GD_ADD: - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - tls_type = elf32_sparc_hash_entry(h)->tls_type; - if (! info->shared || tls_type == GOT_TLS_IE) - { - /* add %reg1, %reg2, %reg3, %tgd_add(foo) - changed into IE: - ld [%reg1 + %reg2], %reg3, %tie_ld(foo) - or LE: - add %g7, %reg2, %reg3. */ - bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - if ((h != NULL && h->dynindx != -1) || info->shared) - relocation = insn | 0xc0000000; - else - relocation = (insn & ~0x7c000) | 0x1c000; - bfd_put_32 (output_bfd, relocation, contents + rel->r_offset); - } - continue; - - case R_SPARC_TLS_LDM_ADD: - if (! info->shared) - bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); - continue; - - case R_SPARC_TLS_LDO_ADD: - if (! info->shared) - { - /* Change rs1 into %g7. */ - bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - insn = (insn & ~0x7c000) | 0x1c000; - bfd_put_32 (output_bfd, insn, contents + rel->r_offset); - } - continue; - - case R_SPARC_TLS_IE_LD: - case R_SPARC_TLS_IE_LDX: - if (! info->shared && (h == NULL || h->dynindx == -1)) - { - bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); - int rs2 = insn & 0x1f; - int rd = (insn >> 25) & 0x1f; - - if (rs2 == rd) - relocation = SPARC_NOP; - else - relocation = 0x80100000 | (insn & 0x3e00001f); - bfd_put_32 (output_bfd, relocation, contents + rel->r_offset); - } - continue; - - case R_SPARC_TLS_IE_ADD: - /* Totally useless relocation. */ - continue; - - case R_SPARC_TLS_DTPOFF32: - relocation -= dtpoff_base (info); - break; - - default: - break; - } - - /* Dynamic relocs are not propagated for SEC_DEBUGGING sections - because such sections are not SEC_ALLOC and thus ld.so will - not process them. */ - if (unresolved_reloc - && !((input_section->flags & SEC_DEBUGGING) != 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)) - (*_bfd_error_handler) - (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"), - bfd_archive_filename (input_bfd), - bfd_get_section_name (input_bfd, input_section), - (long) rel->r_offset, - h->root.root.string); - - r = bfd_reloc_continue; - if (r_type == R_SPARC_WDISP16) - { - bfd_vma x; - - relocation += rel->r_addend; - relocation -= (input_section->output_section->vma - + input_section->output_offset); - relocation -= rel->r_offset; - - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x |= ((((relocation >> 2) & 0xc000) << 6) - | ((relocation >> 2) & 0x3fff)); - bfd_put_32 (input_bfd, x, contents + rel->r_offset); - - if ((bfd_signed_vma) relocation < - 0x40000 - || (bfd_signed_vma) relocation > 0x3ffff) - r = bfd_reloc_overflow; - else - r = bfd_reloc_ok; - } - else if (r_type == R_SPARC_REV32) - { - bfd_vma x; - - relocation = relocation + rel->r_addend; - - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = x + relocation; - bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset); - r = bfd_reloc_ok; - } - else if (r_type == R_SPARC_TLS_LDO_HIX22 - || r_type == R_SPARC_TLS_LE_HIX22) - { - bfd_vma x; - - relocation += rel->r_addend; - relocation = relocation ^ 0xffffffff; - - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff); - bfd_put_32 (input_bfd, x, contents + rel->r_offset); - r = bfd_reloc_ok; - } - else if (r_type == R_SPARC_TLS_LDO_LOX10 - || r_type == R_SPARC_TLS_LE_LOX10) - { - bfd_vma x; - - relocation += rel->r_addend; - relocation = (relocation & 0x3ff) | 0x1c00; - - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - x = (x & ~(bfd_vma) 0x1fff) | relocation; - bfd_put_32 (input_bfd, x, contents + rel->r_offset); - - r = bfd_reloc_ok; - } - else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30) - && sec_do_relax (input_section) - && rel->r_offset + 4 < input_section->_raw_size) - { -#define G0 0 -#define O7 15 -#define XCC (2 << 20) -#define COND(x) (((x)&0xf)<<25) -#define CONDA COND(0x8) -#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC) -#define INSN_BA (F2(0,2) | CONDA) -#define INSN_OR F3(2, 0x2, 0) -#define INSN_NOP F2(0,4) - - bfd_vma x, y; - - /* If the instruction is a call with either: - restore - arithmetic instruction with rd == %o7 - where rs1 != %o7 and rs2 if it is register != %o7 - then we can optimize if the call destination is near - by changing the call into a branch always. */ - x = bfd_get_32 (input_bfd, contents + rel->r_offset); - y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4); - if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2)) - { - if (((y & OP3(~0)) == OP3(0x3d) /* restore */ - || ((y & OP3(0x28)) == 0 /* arithmetic */ - && (y & RD(~0)) == RD(O7))) - && (y & RS1(~0)) != RS1(O7) - && ((y & F3I(~0)) - || (y & RS2(~0)) != RS2(O7))) - { - bfd_vma reloc; - - reloc = relocation + rel->r_addend - rel->r_offset; - reloc -= (input_section->output_section->vma - + input_section->output_offset); - - /* Ensure the reloc fits into simm22. */ - if ((reloc & 3) == 0 - && ((reloc & ~(bfd_vma)0x7fffff) == 0 - || ((reloc | 0x7fffff) == ~(bfd_vma)0))) - { - reloc >>= 2; - - /* Check whether it fits into simm19 on v9. */ - if (((reloc & 0x3c0000) == 0 - || (reloc & 0x3c0000) == 0x3c0000) - && (elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS)) - x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */ - else - x = INSN_BA | (reloc & 0x3fffff); /* ba */ - bfd_put_32 (input_bfd, x, contents + rel->r_offset); - r = bfd_reloc_ok; - if (rel->r_offset >= 4 - && (y & (0xffffffff ^ RS1(~0))) - == (INSN_OR | RD(O7) | RS2(G0))) - { - bfd_vma z; - unsigned int reg; - - z = bfd_get_32 (input_bfd, - contents + rel->r_offset - 4); - if ((z & (0xffffffff ^ RD(~0))) - != (INSN_OR | RS1(O7) | RS2(G0))) - break; - - /* The sequence was - or %o7, %g0, %rN - call foo - or %rN, %g0, %o7 - - If call foo was replaced with ba, replace - or %rN, %g0, %o7 with nop. */ - - reg = (y & RS1(~0)) >> 14; - if (reg != ((z & RD(~0)) >> 25) - || reg == G0 || reg == O7) - break; - - bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP, - contents + rel->r_offset + 4); - } - - } - } - } - } - - if (r == bfd_reloc_continue) - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, rel->r_addend); - - if (r != bfd_reloc_ok) - { - switch (r) - { - default: - case bfd_reloc_outofrange: - abort (); - case bfd_reloc_overflow: - { - const char *name; - - if (h != NULL) - name = h->root.root.string; - else - { - name = bfd_elf_string_from_elf_section (input_bfd, - symtab_hdr->sh_link, - sym->st_name); - if (name == NULL) - return FALSE; - if (*name == '\0') - name = bfd_section_name (input_bfd, sec); - } - if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) - return FALSE; - } - break; - } - } - } - - return TRUE; -} - -/* Finish up dynamic symbol handling. We set the contents of various - dynamic sections here. */ - -static bfd_boolean -elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym) - bfd *output_bfd; - struct bfd_link_info *info; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; -{ - bfd *dynobj; - struct elf32_sparc_link_hash_table *htab; - - htab = elf32_sparc_hash_table (info); - dynobj = htab->elf.dynobj; - - if (h->plt.offset != (bfd_vma) -1) - { - asection *splt; - asection *srela; - Elf_Internal_Rela rela; - bfd_byte *loc; - - /* This symbol has an entry in the procedure linkage table. Set - it up. */ - - BFD_ASSERT (h->dynindx != -1); - - splt = htab->splt; - srela = htab->srelplt; - BFD_ASSERT (splt != NULL && srela != NULL); - - /* Fill in the entry in the procedure linkage table. */ - bfd_put_32 (output_bfd, - PLT_ENTRY_WORD0 + h->plt.offset, - splt->contents + h->plt.offset); - bfd_put_32 (output_bfd, - (PLT_ENTRY_WORD1 - + (((- (h->plt.offset + 4)) >> 2) & 0x3fffff)), - splt->contents + h->plt.offset + 4); - bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2, - splt->contents + h->plt.offset + 8); - - /* Fill in the entry in the .rela.plt section. */ - rela.r_offset = (splt->output_section->vma - + splt->output_offset - + h->plt.offset); - rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_JMP_SLOT); - rela.r_addend = 0; - loc = srela->contents; - loc += (h->plt.offset / PLT_ENTRY_SIZE - 4) * sizeof (Elf32_External_Rela); - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) - { - /* Mark the symbol as undefined, rather than as defined in - the .plt section. Leave the value alone. */ - sym->st_shndx = SHN_UNDEF; - /* If the symbol is weak, we do need to clear the value. - Otherwise, the PLT entry would provide a definition for - the symbol even if the symbol wasn't defined anywhere, - and so the symbol would never be NULL. */ - if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK) - == 0) - sym->st_value = 0; - } - } - - if (h->got.offset != (bfd_vma) -1 - && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_GD - && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_IE) - { - asection *sgot; - asection *srela; - Elf_Internal_Rela rela; - bfd_byte *loc; - - /* This symbol has an entry in the global offset table. Set it - up. */ - - sgot = htab->sgot; - srela = htab->srelgot; - BFD_ASSERT (sgot != NULL && srela != NULL); - - rela.r_offset = (sgot->output_section->vma - + sgot->output_offset - + (h->got.offset &~ (bfd_vma) 1)); - - /* If this is a -Bsymbolic link, and the symbol is defined - locally, we just want to emit a RELATIVE reloc. Likewise if - the symbol was forced to be local because of a version file. - The entry in the global offset table will already have been - initialized in the relocate_section function. */ - if (info->shared - && (info->symbolic || h->dynindx == -1) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) - { - asection *sec = h->root.u.def.section; - rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE); - rela.r_addend = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else - { - rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT); - rela.r_addend = 0; - } - - bfd_put_32 (output_bfd, (bfd_vma) 0, - sgot->contents + (h->got.offset &~ (bfd_vma) 1)); - loc = srela->contents; - loc += srela->reloc_count++ * sizeof (Elf32_External_Rela); - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - } - - if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) - { - asection *s; - Elf_Internal_Rela rela; - bfd_byte *loc; - - /* This symbols needs a copy reloc. Set it up. */ - - BFD_ASSERT (h->dynindx != -1); - - s = bfd_get_section_by_name (h->root.u.def.section->owner, - ".rela.bss"); - BFD_ASSERT (s != NULL); - - rela.r_offset = (h->root.u.def.value - + h->root.u.def.section->output_section->vma - + h->root.u.def.section->output_offset); - rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_COPY); - rela.r_addend = 0; - loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); - bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); - } - - /* Mark some specially defined symbols as absolute. */ - if (strcmp (h->root.root.string, "_DYNAMIC") == 0 - || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0 - || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0) - sym->st_shndx = SHN_ABS; - - return TRUE; -} - -/* Finish up the dynamic sections. */ - -static bfd_boolean -elf32_sparc_finish_dynamic_sections (output_bfd, info) - bfd *output_bfd; - struct bfd_link_info *info; -{ - bfd *dynobj; - asection *sdyn; - struct elf32_sparc_link_hash_table *htab; - - htab = elf32_sparc_hash_table (info); - dynobj = htab->elf.dynobj; - - sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); - - if (elf_hash_table (info)->dynamic_sections_created) - { - asection *splt; - Elf32_External_Dyn *dyncon, *dynconend; - - splt = bfd_get_section_by_name (dynobj, ".plt"); - BFD_ASSERT (splt != NULL && sdyn != NULL); - - dyncon = (Elf32_External_Dyn *) sdyn->contents; - dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size); - for (; dyncon < dynconend; dyncon++) - { - Elf_Internal_Dyn dyn; - const char *name; - bfd_boolean size; - - bfd_elf32_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; - default: name = NULL; size = FALSE; break; - } - - if (name != NULL) - { - asection *s; - - s = bfd_get_section_by_name (output_bfd, name); - if (s == NULL) - dyn.d_un.d_val = 0; - else - { - if (! size) - dyn.d_un.d_ptr = s->vma; - else - { - if (s->_cooked_size != 0) - dyn.d_un.d_val = s->_cooked_size; - else - dyn.d_un.d_val = s->_raw_size; - } - } - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - } - } - - /* Clear the first four entries in the procedure linkage table, - and put a nop in the last four bytes. */ - if (splt->_raw_size > 0) - { - memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, - splt->contents + splt->_raw_size - 4); - } - - elf_section_data (splt->output_section)->this_hdr.sh_entsize = 0; - } - - /* Set the first entry in the global offset table to the address of - the dynamic section. */ - if (htab->sgot && htab->sgot->_raw_size > 0) - { - if (sdyn == NULL) - bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgot->contents); - else - bfd_put_32 (output_bfd, - sdyn->output_section->vma + sdyn->output_offset, - htab->sgot->contents); - } - - if (htab->sgot) - elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4; - - return TRUE; -} - -/* Functions for dealing with the e_flags field. - - We don't define set_private_flags or copy_private_bfd_data because - the only currently defined values are based on the bfd mach number, - so we use the latter instead and defer setting e_flags until the - file is written out. */ - -/* Merge backend specific data from an object file to the output - object file when linking. */ - -static bfd_boolean -elf32_sparc_merge_private_bfd_data (ibfd, obfd) - bfd *ibfd; - bfd *obfd; -{ - bfd_boolean error; - /* FIXME: This should not be static. */ - static unsigned long previous_ibfd_e_flags = (unsigned long) -1; - - if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour - || bfd_get_flavour (obfd) != bfd_target_elf_flavour) - return TRUE; - - error = FALSE; - - if (bfd_get_mach (ibfd) >= bfd_mach_sparc_v9) - { - error = TRUE; - (*_bfd_error_handler) - (_("%s: compiled for a 64 bit system and target is 32 bit"), - bfd_archive_filename (ibfd)); - } - else if ((ibfd->flags & DYNAMIC) == 0) - { - if (bfd_get_mach (obfd) < bfd_get_mach (ibfd)) - bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd)); - } - - if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA) - != previous_ibfd_e_flags) - && previous_ibfd_e_flags != (unsigned long) -1) - { - (*_bfd_error_handler) - (_("%s: linking little endian files with big endian files"), - bfd_archive_filename (ibfd)); - error = TRUE; - } - previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA; - - if (error) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - return TRUE; -} - -/* Set the right machine number. */ - -static bfd_boolean -elf32_sparc_object_p (abfd) - bfd *abfd; -{ - if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS) - { - if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_v8plusb); - else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_v8plusa); - else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_v8plus); - else - return FALSE; - } - else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA) - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, - bfd_mach_sparc_sparclite_le); - else - return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); -} - -/* The final processing done just before writing out the object file. - We need to set the e_machine field appropriately. */ - -static void -elf32_sparc_final_write_processing (abfd, linker) - bfd *abfd; - bfd_boolean linker ATTRIBUTE_UNUSED; -{ - switch (bfd_get_mach (abfd)) - { - case bfd_mach_sparc : - break; /* nothing to do */ - case bfd_mach_sparc_v8plus : - elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; - elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK; - elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS; - break; - case bfd_mach_sparc_v8plusa : - elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; - elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK; - elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1; - break; - case bfd_mach_sparc_v8plusb : - elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; - elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK; - elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1 - | EF_SPARC_SUN_US3; - break; - case bfd_mach_sparc_sparclite_le : - elf_elfheader (abfd)->e_machine = EM_SPARC; - elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA; - break; - default : - abort (); - break; - } -} - -static enum elf_reloc_type_class -elf32_sparc_reloc_type_class (rela) - const Elf_Internal_Rela *rela; -{ - switch ((int) ELF32_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; - } -} - -#define TARGET_BIG_SYM bfd_elf32_sparc_vec -#define TARGET_BIG_NAME "elf32-sparc" -#define ELF_ARCH bfd_arch_sparc -#define ELF_MACHINE_CODE EM_SPARC -#define ELF_MACHINE_ALT1 EM_SPARC32PLUS -#define ELF_MAXPAGESIZE 0x10000 - -#define bfd_elf32_bfd_reloc_type_lookup elf32_sparc_reloc_type_lookup -#define bfd_elf32_bfd_link_hash_table_create \ - elf32_sparc_link_hash_table_create -#define bfd_elf32_bfd_relax_section elf32_sparc_relax_section -#define bfd_elf32_new_section_hook elf32_sparc_new_section_hook -#define elf_info_to_howto elf32_sparc_info_to_howto -#define elf_backend_copy_indirect_symbol \ - elf32_sparc_copy_indirect_symbol -#define elf_backend_create_dynamic_sections \ - elf32_sparc_create_dynamic_sections -#define elf_backend_check_relocs elf32_sparc_check_relocs -#define elf_backend_adjust_dynamic_symbol \ - elf32_sparc_adjust_dynamic_symbol -#define elf_backend_size_dynamic_sections \ - elf32_sparc_size_dynamic_sections -#define elf_backend_relocate_section elf32_sparc_relocate_section -#define elf_backend_finish_dynamic_symbol \ - elf32_sparc_finish_dynamic_symbol -#define elf_backend_finish_dynamic_sections \ - elf32_sparc_finish_dynamic_sections -#define bfd_elf32_bfd_merge_private_bfd_data \ - elf32_sparc_merge_private_bfd_data -#define bfd_elf32_mkobject elf32_sparc_mkobject -#define elf_backend_object_p elf32_sparc_object_p -#define elf_backend_final_write_processing \ - elf32_sparc_final_write_processing -#define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook -#define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook -#define elf_backend_grok_psinfo elf32_sparc_grok_psinfo -#define elf_backend_reloc_type_class elf32_sparc_reloc_type_class - -#define elf_backend_can_gc_sections 1 -#define elf_backend_can_refcount 1 -#define elf_backend_want_got_plt 0 -#define elf_backend_plt_readonly 0 -#define elf_backend_want_plt_sym 1 -#define elf_backend_got_header_size 4 -#define elf_backend_rela_normal 1 - -#include "elf32-target.h" |