diff options
Diffstat (limited to 'bfd/elf32-sparc.c')
| -rw-r--r-- | bfd/elf32-sparc.c | 2059 |
1 files changed, 2059 insertions, 0 deletions
diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c new file mode 100644 index 00000000000..ec57c8cb35f --- /dev/null +++ b/bfd/elf32-sparc.c @@ -0,0 +1,2059 @@ +/* SPARC-specific support for 32-bit ELF + Copyright (C) 1993, 94, 95, 96, 97, 98, 1999 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" + +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 boolean elf32_sparc_check_relocs + PARAMS ((bfd *, struct bfd_link_info *, asection *, + const Elf_Internal_Rela *)); +static boolean elf32_sparc_adjust_dynamic_symbol + PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); +static boolean elf32_sparc_adjust_dynindx + PARAMS ((struct elf_link_hash_entry *, PTR)); +static boolean elf32_sparc_size_dynamic_sections + PARAMS ((bfd *, struct bfd_link_info *)); +static boolean elf32_sparc_relocate_section + PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, + Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); +static boolean elf32_sparc_finish_dynamic_symbol + PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, + Elf_Internal_Sym *)); +static boolean elf32_sparc_finish_dynamic_sections + PARAMS ((bfd *, struct bfd_link_info *)); +static boolean elf32_sparc_merge_private_bfd_data PARAMS ((bfd *, bfd *)); +static boolean elf32_sparc_object_p + PARAMS ((bfd *)); +static void elf32_sparc_final_write_processing + PARAMS ((bfd *, boolean)); + +/* 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 **)); + +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,0,0x00ffffff,true), + HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", false,0,0x3fffffff,true), + HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", false,0,0x003fffff,true), + HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", false,0,0x003fffff,true), + HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", false,0,0x003fffff,true), + HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", false,0,0x00001fff,true), + HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", false,0,0x000003ff,true), + HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", false,0,0x000003ff,true), + HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", false,0,0x00001fff,true), + HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", false,0,0x003fffff,true), + HOWTO(R_SPARC_PC10, 0,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", false,0,0x000003ff,true), + HOWTO(R_SPARC_PC22, 10,2,22,true, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", false,0,0x003fffff,true), + HOWTO(R_SPARC_WPLT30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", false,0,0x3fffffff,true), + HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", false,0,0x00000000,true), + HOWTO(R_SPARC_GLOB_DAT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",false,0,0x00000000,true), + HOWTO(R_SPARC_JMP_SLOT, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",false,0,0x00000000,true), + HOWTO(R_SPARC_RELATIVE, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",false,0,0x00000000,true), + HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0x00000000,true), + HOWTO(R_SPARC_PLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PLT32", false,0,0x00000000,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_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_REV32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", false,0,0xffffffff,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); + + +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_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_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 }, + /* ??? Doesn't dwarf use this? */ +/*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */ + {BFD_RELOC_SPARC_10, R_SPARC_10}, + {BFD_RELOC_SPARC_11, R_SPARC_11}, + {BFD_RELOC_SPARC_64, R_SPARC_64}, + {BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10}, + {BFD_RELOC_SPARC_HH22, R_SPARC_HH22}, + {BFD_RELOC_SPARC_HM10, R_SPARC_HM10}, + {BFD_RELOC_SPARC_LM22, R_SPARC_LM22}, + {BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22}, + {BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10}, + {BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22}, + {BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16}, + {BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19}, + {BFD_RELOC_SPARC_7, R_SPARC_7}, + {BFD_RELOC_SPARC_5, R_SPARC_5}, + {BFD_RELOC_SPARC_6, R_SPARC_6}, + {BFD_RELOC_SPARC_REV32, R_SPARC_REV32 }, + {BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT}, + {BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY}, +}; + +static reloc_howto_type * +elf32_sparc_reloc_type_lookup (abfd, code) + bfd *abfd; + 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; + + 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; + arelent *cache_ptr; + Elf_Internal_Rela *dst; +{ + BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max); + 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; + arelent *reloc_entry; + asymbol *symbol; + PTR data; + asection *input_section; + bfd *output_bfd; + char **error_message; +{ + 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; +{ + 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; +} + +/* 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 + +/* Look through the relocs for a section during the first phase, and + allocate space in the global offset table or procedure linkage + table. */ + +static boolean +elf32_sparc_check_relocs (abfd, info, sec, relocs) + bfd *abfd; + struct bfd_link_info *info; + asection *sec; + const Elf_Internal_Rela *relocs; +{ + bfd *dynobj; + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes; + bfd_vma *local_got_offsets; + const Elf_Internal_Rela *rel; + const Elf_Internal_Rela *rel_end; + asection *sgot; + asection *srelgot; + asection *sreloc; + + if (info->relocateable) + return true; + + dynobj = elf_hash_table (info)->dynobj; + symtab_hdr = &elf_tdata (abfd)->symtab_hdr; + sym_hashes = elf_sym_hashes (abfd); + local_got_offsets = elf_local_got_offsets (abfd); + + sgot = NULL; + srelgot = NULL; + sreloc = NULL; + + rel_end = relocs + sec->reloc_count; + for (rel = relocs; rel < rel_end; rel++) + { + unsigned long r_symndx; + struct elf_link_hash_entry *h; + + r_symndx = ELF32_R_SYM (rel->r_info); + if (r_symndx < symtab_hdr->sh_info) + h = NULL; + else + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + + switch (ELF32_R_TYPE (rel->r_info)) + { + case R_SPARC_GOT10: + case R_SPARC_GOT13: + case R_SPARC_GOT22: + /* This symbol requires a global offset table entry. */ + + if (dynobj == NULL) + { + /* Create the .got section. */ + elf_hash_table (info)->dynobj = dynobj = abfd; + if (! _bfd_elf_create_got_section (dynobj, info)) + return false; + } + + if (sgot == NULL) + { + sgot = bfd_get_section_by_name (dynobj, ".got"); + BFD_ASSERT (sgot != NULL); + } + + if (srelgot == NULL + && (h != NULL || info->shared)) + { + srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); + if (srelgot == NULL) + { + srelgot = bfd_make_section (dynobj, ".rela.got"); + if (srelgot == NULL + || ! bfd_set_section_flags (dynobj, srelgot, + (SEC_ALLOC + | SEC_LOAD + | SEC_HAS_CONTENTS + | SEC_IN_MEMORY + | SEC_LINKER_CREATED + | SEC_READONLY)) + || ! bfd_set_section_alignment (dynobj, srelgot, 2)) + return false; + } + } + + if (h != NULL) + { + if (h->got.offset != (bfd_vma) -1) + { + /* We have already allocated space in the .got. */ + break; + } + h->got.offset = sgot->_raw_size; + + /* Make sure this symbol is output as a dynamic symbol. */ + if (h->dynindx == -1) + { + if (! bfd_elf32_link_record_dynamic_symbol (info, h)) + return false; + } + + srelgot->_raw_size += sizeof (Elf32_External_Rela); + } + else + { + /* This is a global offset table entry for a local + symbol. */ + if (local_got_offsets == NULL) + { + size_t size; + register unsigned int i; + + size = symtab_hdr->sh_info * sizeof (bfd_vma); + local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); + if (local_got_offsets == NULL) + return false; + elf_local_got_offsets (abfd) = local_got_offsets; + for (i = 0; i < symtab_hdr->sh_info; i++) + local_got_offsets[i] = (bfd_vma) -1; + } + if (local_got_offsets[r_symndx] != (bfd_vma) -1) + { + /* We have already allocated space in the .got. */ + break; + } + local_got_offsets[r_symndx] = sgot->_raw_size; + + if (info->shared) + { + /* If we are generating a shared object, we need to + output a R_SPARC_RELATIVE reloc so that the + dynamic linker can adjust this GOT entry. */ + srelgot->_raw_size += sizeof (Elf32_External_Rela); + } + } + + sgot->_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 (sgot->_raw_size >= 0x1000 + && elf_hash_table (info)->hgot->root.u.def.value == 0) + elf_hash_table (info)->hgot->root.u.def.value = 0x1000; + + break; + + 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. */ + break; + } + + /* Make sure this symbol is output as a dynamic symbol. */ + if (h->dynindx == -1) + { + if (! bfd_elf32_link_record_dynamic_symbol (info, h)) + return false; + } + + h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; + + 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: + /* If we are linking with -Bsymbolic, we do not need to copy + a PC relative reloc against a global symbol which is + defined in an object we are including in the link (i.e., + DEF_REGULAR is set). FIXME: 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). This needs to be handled as in + elf32-i386.c. */ + if (h == NULL + || (info->symbolic + && (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) != 0)) + break; + /* Fall through. */ + case R_SPARC_8: + case R_SPARC_16: + case R_SPARC_32: + case R_SPARC_HI22: + case R_SPARC_22: + case R_SPARC_13: + case R_SPARC_LO10: + case R_SPARC_UA32: + if (info->shared) + { + /* 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; + + name = (bfd_elf_string_from_elf_section + (abfd, + elf_elfheader (abfd)->e_shstrndx, + elf_section_data (sec)->rel_hdr.sh_name)); + if (name == NULL) + return false; + + BFD_ASSERT (strncmp (name, ".rela", 5) == 0 + && strcmp (bfd_get_section_name (abfd, sec), + name + 5) == 0); + + sreloc = bfd_get_section_by_name (dynobj, name); + if (sreloc == NULL) + { + flagword flags; + + sreloc = bfd_make_section (dynobj, name); + flags = (SEC_HAS_CONTENTS | SEC_READONLY + | SEC_IN_MEMORY | SEC_LINKER_CREATED); + if ((sec->flags & SEC_ALLOC) != 0) + flags |= SEC_ALLOC | SEC_LOAD; + if (sreloc == NULL + || ! bfd_set_section_flags (dynobj, sreloc, flags) + || ! bfd_set_section_alignment (dynobj, sreloc, 2)) + return false; + } + } + + sreloc->_raw_size += sizeof (Elf32_External_Rela); + } + + break; + + case R_SPARC_GNU_VTINHERIT: + if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) + return false; + break; + + case R_SPARC_GNU_VTENTRY: + if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) + return false; + break; + + default: + break; + } + } + + return true; +} + +static asection * +elf32_sparc_gc_mark_hook (abfd, info, rel, h, sym) + bfd *abfd; + struct bfd_link_info *info; + 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; + } + } + } + else + { + if (!(elf_bad_symtab (abfd) + && ELF_ST_BIND (sym->st_info) != STB_LOCAL) + && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE) + && sym->st_shndx != SHN_COMMON)) + { + return bfd_section_from_elf_index (abfd, sym->st_shndx); + } + } + + return NULL; +} + +/* Update the got entry reference counts for the section being removed. */ +static boolean +elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs) + bfd *abfd; + struct bfd_link_info *info; + 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; + unsigned long r_symndx; + struct elf_link_hash_entry *h; + + 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++) + switch (ELF32_R_TYPE (rel->r_info)) + { + case R_SPARC_GOT10: + case R_SPARC_GOT13: + case R_SPARC_GOT22: + r_symndx = ELF32_R_SYM (rel->r_info); + if (r_symndx >= symtab_hdr->sh_info) + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + 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_PLT32: + case R_SPARC_HIPLT22: + case R_SPARC_LOPLT10: + case R_SPARC_PCPLT32: + case R_SPARC_PCPLT10: + r_symndx = ELF32_R_SYM (rel->r_info); + if (r_symndx >= symtab_hdr->sh_info) + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + 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 boolean +elf32_sparc_adjust_dynamic_symbol (info, h) + struct bfd_link_info *info; + struct elf_link_hash_entry *h; +{ + bfd *dynobj; + asection *s; + unsigned int power_of_two; + + dynobj = elf_hash_table (info)->dynobj; + + /* Make sure we know what is going on here. */ + BFD_ASSERT (dynobj != NULL + && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) + || h->weakdef != NULL + || ((h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_DYNAMIC) != 0 + && (h->elf_link_hash_flags + & ELF_LINK_HASH_REF_REGULAR) != 0 + && (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) == 0))); + + /* If this is a function, put it in the procedure linkage table. We + will fill in the contents of the procedure linkage table later + (although we could actually do it here). The STT_NOTYPE + condition is a hack specifically for the Oracle libraries + delivered for Solaris; for some inexplicable reason, they define + some of their functions as STT_NOTYPE when they really should be + STT_FUNC. */ + if (h->type == STT_FUNC + || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0 + || (h->type == STT_NOTYPE + && (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && (h->root.u.def.section->flags & SEC_CODE) != 0)) + { + if (! elf_hash_table (info)->dynamic_sections_created + || ((!info->shared || info->symbolic || h->dynindx == -1) + && (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) != 0)) + { + /* This case can occur if we saw a WPLT30 reloc in an input + file, but none of the input files were dynamic objects. + Or, when linking the main application or a -Bsymbolic + shared library against PIC code. Or when a global symbol + has been made private, e.g. via versioning. + + In these cases we know what value the symbol will resolve + to, so we don't actually need to build a procedure linkage + table, and we can just do a WDISP30 reloc instead. */ + + h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; + return true; + } + + s = bfd_get_section_by_name (dynobj, ".plt"); + BFD_ASSERT (s != NULL); + + /* 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; + } + + /* 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 = s->_raw_size; + } + + h->plt.offset = s->_raw_size; + + /* Make room for this entry. */ + s->_raw_size += PLT_ENTRY_SIZE; + + /* We also need to make an entry in the .rela.plt section. */ + + s = bfd_get_section_by_name (dynobj, ".rela.plt"); + BFD_ASSERT (s != NULL); + s->_raw_size += sizeof (Elf32_External_Rela); + + return true; + } + + /* If this is a weak symbol, and there is a real definition, the + processor independent code will have arranged for us to see the + real definition first, and we can just use the same value. */ + if (h->weakdef != NULL) + { + BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined + || h->weakdef->root.type == bfd_link_hash_defweak); + h->root.u.def.section = h->weakdef->root.u.def.section; + h->root.u.def.value = h->weakdef->root.u.def.value; + return true; + } + + /* This is a reference to a symbol defined by a dynamic object which + is not a function. */ + + /* If we are creating a shared library, we must presume that the + only references to the symbol are via the global offset table. + For such cases we need not do anything here; the relocations will + be handled correctly by relocate_section. */ + if (info->shared) + return true; + + /* We must allocate the symbol in our .dynbss section, which will + become part of the .bss section of the executable. There will be + an entry for this symbol in the .dynsym section. The dynamic + object will contain position independent code, so all references + from the dynamic object to this symbol will go through the global + offset table. The dynamic linker will use the .dynsym entry to + determine the address it must put in the global offset table, so + both the dynamic object and the regular object will refer to the + same memory location for the variable. */ + + s = bfd_get_section_by_name (dynobj, ".dynbss"); + BFD_ASSERT (s != NULL); + + /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker + to copy the initial value out of the dynamic object and into the + runtime process image. We need to remember the offset into the + .rel.bss section we are going to use. */ + if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) + { + asection *srel; + + srel = bfd_get_section_by_name (dynobj, ".rela.bss"); + BFD_ASSERT (srel != NULL); + srel->_raw_size += sizeof (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->_raw_size = BFD_ALIGN (s->_raw_size, + (bfd_size_type) (1 << power_of_two)); + if (power_of_two > bfd_get_section_alignment (dynobj, s)) + { + if (! bfd_set_section_alignment (dynobj, s, power_of_two)) + return false; + } + + /* Define the symbol as being at this point in the section. */ + h->root.u.def.section = s; + h->root.u.def.value = s->_raw_size; + + /* Increment the section size to make room for the symbol. */ + s->_raw_size += h->size; + + return true; +} + +/* Set the sizes of the dynamic sections. */ + +static boolean +elf32_sparc_size_dynamic_sections (output_bfd, info) + bfd *output_bfd; + struct bfd_link_info *info; +{ + bfd *dynobj; + asection *s; + boolean reltext; + boolean relplt; + + dynobj = elf_hash_table (info)->dynobj; + BFD_ASSERT (dynobj != NULL); + + if (elf_hash_table (info)->dynamic_sections_created) + { + /* Set the contents of the .interp section to the interpreter. */ + if (! info->shared) + { + 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; + } + + /* Make space for the trailing nop in .plt. */ + s = bfd_get_section_by_name (dynobj, ".plt"); + BFD_ASSERT (s != NULL); + if (s->_raw_size > 0) + s->_raw_size += 4; + } + else + { + /* We may have created entries in the .rela.got section. + However, if we are not creating the dynamic sections, we will + not actually use these entries. Reset the size of .rela.got, + which will cause it to get stripped from the output file + below. */ + s = bfd_get_section_by_name (dynobj, ".rela.got"); + if (s != NULL) + s->_raw_size = 0; + } + + /* The check_relocs and adjust_dynamic_symbol entry points have + determined the sizes of the various dynamic sections. Allocate + memory for them. */ + reltext = false; + relplt = false; + for (s = dynobj->sections; s != NULL; s = s->next) + { + const char *name; + boolean strip; + + if ((s->flags & SEC_LINKER_CREATED) == 0) + continue; + + /* It's OK to base decisions on the section name, because none + of the dynobj section names depend upon the input files. */ + name = bfd_get_section_name (dynobj, s); + + strip = false; + + if (strncmp (name, ".rela", 5) == 0) + { + if (s->_raw_size == 0) + { + /* If we don't need this section, strip it from the + output file. This is to handle .rela.bss and + .rel.plt. We must create it in + create_dynamic_sections, because it must be created + before the linker maps input sections to output + sections. The linker does that before + adjust_dynamic_symbol is called, and it is that + function which decides whether anything needs to go + into these sections. */ + strip = true; + } + else + { + const char *outname; + asection *target; + + /* If this relocation section applies to a read only + section, then we probably need a DT_TEXTREL entry. */ + outname = bfd_get_section_name (output_bfd, + s->output_section); + target = bfd_get_section_by_name (output_bfd, outname + 5); + if (target != NULL + && (target->flags & SEC_READONLY) != 0 + && (target->flags & SEC_ALLOC) != 0) + reltext = true; + + if (strcmp (name, ".rela.plt") == 0) + relplt = true; + + /* We use the reloc_count field as a counter if we need + to copy relocs into the output file. */ + s->reloc_count = 0; + } + } + else if (strcmp (name, ".plt") != 0 + && strcmp (name, ".got") != 0) + { + /* It's not one of our sections, so don't allocate space. */ + continue; + } + + if (strip) + { + _bfd_strip_section_from_output (s); + continue; + } + + /* Allocate memory for the section contents. */ + s->contents = (bfd_byte *) bfd_alloc (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. */ + if (! info->shared) + { + if (! bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0)) + return false; + } + + if (relplt) + { + if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0) + || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0) + || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA) + || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0)) + return false; + } + + if (! bfd_elf32_add_dynamic_entry (info, DT_RELA, 0) + || ! bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0) + || ! bfd_elf32_add_dynamic_entry (info, DT_RELAENT, + sizeof (Elf32_External_Rela))) + return false; + + if (reltext) + { + if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0)) + return false; + } + } + + /* If we are generating a shared library, we generate a section + symbol for each output section for which we might need to copy + relocs. These are local symbols, which means that they must come + first in the dynamic symbol table. That means we must increment + the dynamic symbol index of every other dynamic symbol. */ + if (info->shared) + { + int c; + + c = 0; + for (s = output_bfd->sections; s != NULL; s = s->next) + { + if ((s->flags & SEC_LINKER_CREATED) != 0 + || (s->flags & SEC_ALLOC) == 0) + continue; + + elf_section_data (s)->dynindx = c + 1; + + /* These symbols will have no names, so we don't need to + fiddle with dynstr_index. */ + + ++c; + } + + elf_link_hash_traverse (elf_hash_table (info), + elf32_sparc_adjust_dynindx, + (PTR) &c); + elf_hash_table (info)->dynsymcount += c; + } + + return true; +} + +/* Increment the index of a dynamic symbol by a given amount. Called + via elf_link_hash_traverse. */ + +static boolean +elf32_sparc_adjust_dynindx (h, cparg) + struct elf_link_hash_entry *h; + PTR cparg; +{ + int *cp = (int *) cparg; + + if (h->dynindx != -1) + h->dynindx += *cp; + return true; +} + +/* Relocate a SPARC ELF section. */ + +static 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; +{ + bfd *dynobj; + Elf_Internal_Shdr *symtab_hdr; + struct elf_link_hash_entry **sym_hashes; + bfd_vma *local_got_offsets; + bfd_vma got_base; + asection *sgot; + asection *splt; + asection *sreloc; + Elf_Internal_Rela *rel; + Elf_Internal_Rela *relend; + + dynobj = elf_hash_table (info)->dynobj; + symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; + sym_hashes = elf_sym_hashes (input_bfd); + local_got_offsets = elf_local_got_offsets (input_bfd); + + if (elf_hash_table (info)->hgot == NULL) + got_base = 0; + else + got_base = elf_hash_table (info)->hgot->root.u.def.value; + + sgot = NULL; + splt = NULL; + sreloc = NULL; + + rel = relocs; + relend = relocs + input_section->reloc_count; + for (; rel < relend; rel++) + { + int r_type; + reloc_howto_type *howto; + unsigned long r_symndx; + struct elf_link_hash_entry *h; + Elf_Internal_Sym *sym; + asection *sec; + bfd_vma relocation; + bfd_reloc_status_type r; + + 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) + { + bfd_set_error (bfd_error_bad_value); + return false; + } + howto = _bfd_sparc_elf_howto_table + r_type; + + r_symndx = ELF32_R_SYM (rel->r_info); + + if (info->relocateable) + { + /* This is a relocateable link. We don't have to change + anything, unless the reloc is against a section symbol, + in which case we have to adjust according to where the + section symbol winds up in the output section. */ + if (r_symndx < symtab_hdr->sh_info) + { + sym = local_syms + r_symndx; + if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) + { + sec = local_sections[r_symndx]; + rel->r_addend += sec->output_offset + sym->st_value; + } + } + + continue; + } + + /* This is a final link. */ + h = NULL; + sym = NULL; + sec = NULL; + if (r_symndx < symtab_hdr->sh_info) + { + sym = local_syms + r_symndx; + sec = local_sections[r_symndx]; + relocation = (sec->output_section->vma + + sec->output_offset + + sym->st_value); + } + else + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct elf_link_hash_entry *) h->root.u.i.link; + if (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + { + sec = h->root.u.def.section; + if ((r_type == R_SPARC_WPLT30 + && h->plt.offset != (bfd_vma) -1) + || ((r_type == R_SPARC_GOT10 + || r_type == R_SPARC_GOT13 + || r_type == R_SPARC_GOT22) + && elf_hash_table (info)->dynamic_sections_created + && (! info->shared + || (! info->symbolic && h->dynindx != -1) + || (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) == 0)) + || (info->shared + && ((! info->symbolic && h->dynindx != -1) + || (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) == 0) + && (r_type == R_SPARC_8 + || r_type == R_SPARC_16 + || r_type == R_SPARC_32 + || r_type == R_SPARC_DISP8 + || r_type == R_SPARC_DISP16 + || r_type == R_SPARC_DISP32 + || r_type == R_SPARC_WDISP30 + || r_type == R_SPARC_WDISP22 + || r_type == R_SPARC_WDISP19 + || r_type == R_SPARC_WDISP16 + || r_type == R_SPARC_HI22 + || r_type == R_SPARC_22 + || r_type == R_SPARC_13 + || r_type == R_SPARC_LO10 + || r_type == R_SPARC_UA32 + || ((r_type == R_SPARC_PC10 + || r_type == R_SPARC_PC22) + && strcmp (h->root.root.string, + "_GLOBAL_OFFSET_TABLE_") != 0)))) + { + /* In these cases, we don't need the relocation + value. We check specially because in some + obscure cases sec->output_section will be NULL. */ + relocation = 0; + } + else + relocation = (h->root.u.def.value + + sec->output_section->vma + + sec->output_offset); + } + else if (h->root.type == bfd_link_hash_undefweak) + relocation = 0; + else if (info->shared && !info->symbolic && !info->no_undefined) + relocation = 0; + else + { + if (! ((*info->callbacks->undefined_symbol) + (info, h->root.root.string, input_bfd, + input_section, rel->r_offset))) + return false; + relocation = 0; + } + } + + switch (r_type) + { + case R_SPARC_GOT10: + case R_SPARC_GOT13: + case R_SPARC_GOT22: + /* Relocation is to the entry for this symbol in the global + offset table. */ + if (sgot == NULL) + { + sgot = bfd_get_section_by_name (dynobj, ".got"); + BFD_ASSERT (sgot != NULL); + } + + if (h != NULL) + { + bfd_vma off; + + off = h->got.offset; + BFD_ASSERT (off != (bfd_vma) -1); + + if (! elf_hash_table (info)->dynamic_sections_created + || (info->shared + && (info->symbolic || h->dynindx == -1) + && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))) + { + /* 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, + sgot->contents + off); + h->got.offset |= 1; + } + } + + relocation = sgot->output_offset + off - got_base; + } + else + { + bfd_vma off; + + 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 + { + bfd_put_32 (output_bfd, relocation, sgot->contents + off); + + if (info->shared) + { + asection *srelgot; + Elf_Internal_Rela outrel; + + /* We need to generate a R_SPARC_RELATIVE reloc + for the dynamic linker. */ + srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); + BFD_ASSERT (srelgot != NULL); + + outrel.r_offset = (sgot->output_section->vma + + sgot->output_offset + + off); + outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE); + outrel.r_addend = 0; + bfd_elf32_swap_reloca_out (output_bfd, &outrel, + (((Elf32_External_Rela *) + srelgot->contents) + + srelgot->reloc_count)); + ++srelgot->reloc_count; + } + + local_got_offsets[r_symndx] |= 1; + } + + relocation = sgot->output_offset + off - got_base; + } + + break; + + case 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) + { + /* We didn't make a PLT entry for this symbol. This + happens when statically linking PIC code, or when + using -Bsymbolic. */ + break; + } + + if (splt == NULL) + { + splt = bfd_get_section_by_name (dynobj, ".plt"); + BFD_ASSERT (splt != NULL); + } + + relocation = (splt->output_section->vma + + splt->output_offset + + h->plt.offset); + 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: + if (h == NULL + || (info->symbolic + && (h->elf_link_hash_flags + & ELF_LINK_HASH_DEF_REGULAR) != 0)) + break; + /* Fall through. */ + case R_SPARC_8: + case R_SPARC_16: + case R_SPARC_32: + case R_SPARC_HI22: + case R_SPARC_22: + case R_SPARC_13: + case R_SPARC_LO10: + case R_SPARC_UA32: + if (info->shared) + { + Elf_Internal_Rela outrel; + boolean skip; + + /* When generating a shared object, these relocations + are copied into the output file to be resolved at run + time. */ + + if (sreloc == NULL) + { + const char *name; + + name = (bfd_elf_string_from_elf_section + (input_bfd, + elf_elfheader (input_bfd)->e_shstrndx, + elf_section_data (input_section)->rel_hdr.sh_name)); + if (name == NULL) + return false; + + BFD_ASSERT (strncmp (name, ".rela", 5) == 0 + && strcmp (bfd_get_section_name (input_bfd, + input_section), + name + 5) == 0); + + sreloc = bfd_get_section_by_name (dynobj, name); + BFD_ASSERT (sreloc != NULL); + } + + skip = false; + + if (elf_section_data (input_section)->stab_info == NULL) + outrel.r_offset = rel->r_offset; + else + { + bfd_vma off; + + off = (_bfd_stab_section_offset + (output_bfd, &elf_hash_table (info)->stab_info, + input_section, + &elf_section_data (input_section)->stab_info, + rel->r_offset)); + if (off == (bfd_vma) -1) + skip = true; + outrel.r_offset = off; + } + + outrel.r_offset += (input_section->output_section->vma + + input_section->output_offset); + + if (skip) + memset (&outrel, 0, sizeof outrel); + /* h->dynindx may be -1 if the symbol was marked to + become local. */ + else if (h != NULL + && ((! 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 (h == NULL) + sec = local_sections[r_symndx]; + else + { + BFD_ASSERT (h->root.type == bfd_link_hash_defined + || (h->root.type + == bfd_link_hash_defweak)); + sec = h->root.u.def.section; + } + if (sec != NULL && bfd_is_abs_section (sec)) + 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_get_filename (input_bfd)); + bfd_set_error (bfd_error_bad_value); + return false; + } + } + + outrel.r_info = ELF32_R_INFO (indx, r_type); + + /* For non-RELATIVE dynamic relocations, we keep the + same symbol, and so generally the same addend. But + we do need to adjust those relocations referencing + sections. */ + outrel.r_addend = rel->r_addend; + if (r_symndx < symtab_hdr->sh_info + && ELF_ST_TYPE (sym->st_info) == STT_SECTION) + outrel.r_addend += sec->output_offset+sym->st_value; + } + } + + bfd_elf32_swap_reloca_out (output_bfd, &outrel, + (((Elf32_External_Rela *) + sreloc->contents) + + sreloc->reloc_count)); + ++sreloc->reloc_count; + + /* This reloc will be computed at runtime, so there's no + need to do anything now, unless this is a RELATIVE + reloc in an unallocated section. */ + if (skip + || (input_section->flags & SEC_ALLOC) != 0 + || ELF32_R_TYPE (outrel.r_info) != R_SPARC_RELATIVE) + continue; + } + break; + + default: + break; + } + + 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 + 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 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; + + dynobj = elf_hash_table (info)->dynobj; + + if (h->plt.offset != (bfd_vma) -1) + { + asection *splt; + asection *srela; + Elf_Internal_Rela rela; + + /* This symbol has an entry in the procedure linkage table. Set + it up. */ + + BFD_ASSERT (h->dynindx != -1); + + splt = bfd_get_section_by_name (dynobj, ".plt"); + srela = bfd_get_section_by_name (dynobj, ".rela.plt"); + BFD_ASSERT (splt != NULL && srela != NULL); + + /* Fill in the entry in the 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, 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; + bfd_elf32_swap_reloca_out (output_bfd, &rela, + ((Elf32_External_Rela *) srela->contents + + h->plt.offset / PLT_ENTRY_SIZE - 4)); + + 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 (h->got.offset != (bfd_vma) -1) + { + asection *sgot; + asection *srela; + Elf_Internal_Rela rela; + + /* This symbol has an entry in the global offset table. Set it + up. */ + + sgot = bfd_get_section_by_name (dynobj, ".got"); + srela = bfd_get_section_by_name (dynobj, ".rela.got"); + BFD_ASSERT (sgot != NULL && srela != NULL); + + rela.r_offset = (sgot->output_section->vma + + sgot->output_offset + + (h->got.offset &~ 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)) + rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE); + else + { + bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); + rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT); + } + + rela.r_addend = 0; + bfd_elf32_swap_reloca_out (output_bfd, &rela, + ((Elf32_External_Rela *) srela->contents + + srela->reloc_count)); + ++srela->reloc_count; + } + + if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) + { + asection *s; + Elf_Internal_Rela rela; + + /* This symbols needs a copy reloc. Set it up. */ + + BFD_ASSERT (h->dynindx != -1); + + s = bfd_get_section_by_name (h->root.u.def.section->owner, + ".rela.bss"); + BFD_ASSERT (s != NULL); + + rela.r_offset = (h->root.u.def.value + + h->root.u.def.section->output_section->vma + + h->root.u.def.section->output_offset); + rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_COPY); + rela.r_addend = 0; + bfd_elf32_swap_reloca_out (output_bfd, &rela, + ((Elf32_External_Rela *) s->contents + + s->reloc_count)); + ++s->reloc_count; + } + + /* 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 boolean +elf32_sparc_finish_dynamic_sections (output_bfd, info) + bfd *output_bfd; + struct bfd_link_info *info; +{ + bfd *dynobj; + asection *sdyn; + asection *sgot; + + dynobj = elf_hash_table (info)->dynobj; + + sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); + + if (elf_hash_table (info)->dynamic_sections_created) + { + asection *splt; + 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; + 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, SPARC_NOP, + splt->contents + splt->_raw_size - 4); + } + + elf_section_data (splt->output_section)->this_hdr.sh_entsize = + PLT_ENTRY_SIZE; + } + + /* Set the first entry in the global offset table to the address of + the dynamic section. */ + sgot = bfd_get_section_by_name (dynobj, ".got"); + BFD_ASSERT (sgot != NULL); + if (sgot->_raw_size > 0) + { + if (sdyn == NULL) + bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); + else + bfd_put_32 (output_bfd, + sdyn->output_section->vma + sdyn->output_offset, + sgot->contents); + } + + elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; + + if (info->shared) + { + asection *sdynsym; + asection *s; + Elf_Internal_Sym sym; + int c; + + /* Set up the section symbols for the output sections. */ + + sdynsym = bfd_get_section_by_name (dynobj, ".dynsym"); + BFD_ASSERT (sdynsym != NULL); + + sym.st_size = 0; + sym.st_name = 0; + sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION); + sym.st_other = 0; + + c = 0; + for (s = output_bfd->sections; s != NULL; s = s->next) + { + int indx; + + if (elf_section_data (s)->dynindx == 0) + continue; + + sym.st_value = s->vma; + + indx = elf_section_data (s)->this_idx; + BFD_ASSERT (indx > 0); + sym.st_shndx = indx; + + bfd_elf32_swap_symbol_out (output_bfd, &sym, + (PTR) (((Elf32_External_Sym *) + sdynsym->contents) + + elf_section_data (s)->dynindx)); + + ++c; + } + + /* Set the sh_info field of the output .dynsym section to the + index of the first global symbol. */ + elf_section_data (sdynsym->output_section)->this_hdr.sh_info = c + 1; + } + + 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 boolean +elf32_sparc_merge_private_bfd_data (ibfd, obfd) + bfd *ibfd; + bfd *obfd; +{ + boolean error; + static int previous_ibfd_e_flags = -1; + + if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour + || bfd_get_flavour (obfd) != bfd_target_elf_flavour) + return true; + + error = false; + +#if 0 + /* ??? The native linker doesn't do this so we can't (otherwise gcc would + have to know which linker is being used). Instead, the native linker + bumps up the architecture level when it has to. However, I still think + warnings like these are good, so it would be nice to have them turned on + by some option. */ + + /* If the output machine is normal sparc, we can't allow v9 input files. */ + if (bfd_get_mach (obfd) == bfd_mach_sparc + && (bfd_get_mach (ibfd) == bfd_mach_sparc_v8plus + || bfd_get_mach (ibfd) == bfd_mach_sparc_v8plusa)) + { + error = true; + (*_bfd_error_handler) + (_("%s: compiled for a v8plus system and target is v8"), + bfd_get_filename (ibfd)); + } + /* If the output machine is v9, we can't allow v9+vis input files. */ + if (bfd_get_mach (obfd) == bfd_mach_sparc_v8plus + && bfd_get_mach (ibfd) == bfd_mach_sparc_v8plusa) + { + error = true; + (*_bfd_error_handler) + (_("%s: compiled for a v8plusa system and target is v8plus"), + bfd_get_filename (ibfd)); + } +#else + 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_get_filename (ibfd)); + } + else if (bfd_get_mach (obfd) < bfd_get_mach (ibfd)) + bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd)); +#endif + + if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA) + != previous_ibfd_e_flags) + && previous_ibfd_e_flags >= 0) + { + (*_bfd_error_handler) + (_("%s: linking little endian files with big endian files"), + bfd_get_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 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_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; + boolean linker; +{ + 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_sparclite_le : + elf_elfheader (abfd)->e_machine = EM_SPARC; + elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA; + break; + default : + abort (); + break; + } +} + +#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 elf_info_to_howto elf32_sparc_info_to_howto +#define elf_backend_create_dynamic_sections \ + _bfd_elf_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 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_can_gc_sections 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_plt_header_size (4*PLT_ENTRY_SIZE) + +#include "elf32-target.h" |