| Line 1... |
Line 1... |
/* AVR-specific support for 32-bit ELF
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/* AVR-specific support for 32-bit ELF
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Denis Chertykov <denisc@overta.ru>
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Contributed by Denis Chertykov <denisc@overta.ru>
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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| Line 852... |
Line 852... |
/* Check for overflow. */
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/* Check for overflow. */
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if (srel < -2048 || srel > 2047)
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if (srel < -2048 || srel > 2047)
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{
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{
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/* Relative distance is too large. */
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/* Relative distance is too large. */
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/* Always apply WRAPAROUND for avr2 and avr4. */
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/* Always apply WRAPAROUND for avr2, avr25, and avr4. */
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switch (bfd_get_mach (input_bfd))
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switch (bfd_get_mach (input_bfd))
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{
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{
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case bfd_mach_avr2:
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case bfd_mach_avr2:
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case bfd_mach_avr25:
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case bfd_mach_avr4:
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case bfd_mach_avr4:
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break;
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break;
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default:
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default:
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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| Line 1294... |
Line 1295... |
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case bfd_mach_avr1:
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case bfd_mach_avr1:
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val = E_AVR_MACH_AVR1;
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val = E_AVR_MACH_AVR1;
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break;
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break;
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case bfd_mach_avr25:
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val = E_AVR_MACH_AVR25;
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break;
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case bfd_mach_avr3:
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case bfd_mach_avr3:
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val = E_AVR_MACH_AVR3;
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val = E_AVR_MACH_AVR3;
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break;
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break;
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case bfd_mach_avr31:
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val = E_AVR_MACH_AVR31;
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break;
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case bfd_mach_avr35:
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val = E_AVR_MACH_AVR35;
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break;
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case bfd_mach_avr4:
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case bfd_mach_avr4:
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val = E_AVR_MACH_AVR4;
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val = E_AVR_MACH_AVR4;
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break;
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break;
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case bfd_mach_avr5:
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case bfd_mach_avr5:
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val = E_AVR_MACH_AVR5;
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val = E_AVR_MACH_AVR5;
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break;
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break;
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case bfd_mach_avr51:
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val = E_AVR_MACH_AVR51;
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break;
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case bfd_mach_avr6:
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case bfd_mach_avr6:
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val = E_AVR_MACH_AVR6;
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val = E_AVR_MACH_AVR6;
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break;
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break;
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}
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}
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| Line 1340... |
Line 1357... |
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case E_AVR_MACH_AVR1:
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case E_AVR_MACH_AVR1:
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e_set = bfd_mach_avr1;
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e_set = bfd_mach_avr1;
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break;
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break;
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case E_AVR_MACH_AVR25:
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e_set = bfd_mach_avr25;
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break;
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case E_AVR_MACH_AVR3:
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case E_AVR_MACH_AVR3:
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e_set = bfd_mach_avr3;
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e_set = bfd_mach_avr3;
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break;
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break;
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case E_AVR_MACH_AVR31:
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e_set = bfd_mach_avr31;
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break;
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case E_AVR_MACH_AVR35:
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e_set = bfd_mach_avr35;
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break;
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case E_AVR_MACH_AVR4:
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case E_AVR_MACH_AVR4:
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e_set = bfd_mach_avr4;
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e_set = bfd_mach_avr4;
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break;
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break;
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case E_AVR_MACH_AVR5:
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case E_AVR_MACH_AVR5:
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e_set = bfd_mach_avr5;
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e_set = bfd_mach_avr5;
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break;
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break;
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case E_AVR_MACH_AVR51:
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e_set = bfd_mach_avr51;
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break;
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case E_AVR_MACH_AVR6:
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case E_AVR_MACH_AVR6:
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e_set = bfd_mach_avr6;
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e_set = bfd_mach_avr6;
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break;
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break;
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}
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}
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}
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}
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| Line 1380... |
Line 1413... |
bfd_byte *contents;
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bfd_byte *contents;
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Elf_Internal_Rela *irel, *irelend;
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Elf_Internal_Rela *irel, *irelend;
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Elf_Internal_Rela *irelalign;
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Elf_Internal_Rela *irelalign;
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Elf_Internal_Sym *isym;
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Elf_Internal_Sym *isym;
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Elf_Internal_Sym *isymbuf = NULL;
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Elf_Internal_Sym *isymbuf = NULL;
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Elf_Internal_Sym *isymend;
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bfd_vma toaddr;
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bfd_vma toaddr;
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struct elf_link_hash_entry **sym_hashes;
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struct elf_link_hash_entry **sym_hashes;
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struct elf_link_hash_entry **end_hashes;
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struct elf_link_hash_entry **end_hashes;
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unsigned int symcount;
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unsigned int symcount;
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| Line 1518... |
Line 1550... |
}
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}
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}
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}
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/* Adjust the local symbols defined in this section. */
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/* Adjust the local symbols defined in this section. */
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isym = (Elf_Internal_Sym *) symtab_hdr->contents;
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isym = (Elf_Internal_Sym *) symtab_hdr->contents;
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/* Fix PR 9841, there may be no local symbols. */
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if (isym != NULL)
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{
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Elf_Internal_Sym *isymend;
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isymend = isym + symtab_hdr->sh_info;
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isymend = isym + symtab_hdr->sh_info;
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for (; isym < isymend; isym++)
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for (; isym < isymend; isym++)
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{
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{
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if (isym->st_shndx == sec_shndx
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if (isym->st_shndx == sec_shndx
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&& isym->st_value > addr
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&& isym->st_value > addr
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&& isym->st_value < toaddr)
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&& isym->st_value < toaddr)
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isym->st_value -= count;
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isym->st_value -= count;
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}
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}
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}
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/* Now adjust the global symbols defined in this section. */
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/* Now adjust the global symbols defined in this section. */
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symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
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symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
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- symtab_hdr->sh_info);
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- symtab_hdr->sh_info);
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sym_hashes = elf_sym_hashes (abfd);
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sym_hashes = elf_sym_hashes (abfd);
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| Line 1594... |
Line 1632... |
Elf_Internal_Sym *isymbuf = NULL;
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Elf_Internal_Sym *isymbuf = NULL;
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static asection *last_input_section = NULL;
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static asection *last_input_section = NULL;
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static Elf_Internal_Rela *last_reloc = NULL;
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static Elf_Internal_Rela *last_reloc = NULL;
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struct elf32_avr_link_hash_table *htab;
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struct elf32_avr_link_hash_table *htab;
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|
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if (link_info->relocatable)
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(*link_info->callbacks->einfo)
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(_("%P%F: --relax and -r may not be used together\n"));
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htab = avr_link_hash_table (link_info);
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htab = avr_link_hash_table (link_info);
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if (htab == NULL)
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if (htab == NULL)
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return FALSE;
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return FALSE;
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/* Assume nothing changes. */
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/* Assume nothing changes. */
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| Line 2032... |
Line 2074... |
_bfd_elf_section_from_bfd_section (abfd, sec);
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_bfd_elf_section_from_bfd_section (abfd, sec);
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/* Check for local symbols. */
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/* Check for local symbols. */
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isym = (Elf_Internal_Sym *) symtab_hdr->contents;
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isym = (Elf_Internal_Sym *) symtab_hdr->contents;
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isymend = isym + symtab_hdr->sh_info;
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isymend = isym + symtab_hdr->sh_info;
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for (; isym < isymend; isym++)
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/* PR 6019: There may not be any local symbols. */
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for (; isym != NULL && isym < isymend; isym++)
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{
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{
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if (isym->st_value == section_offset_of_ret_insn
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if (isym->st_value == section_offset_of_ret_insn
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&& isym->st_shndx == sec_shndx)
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&& isym->st_shndx == sec_shndx)
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{
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{
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deleting_ret_is_safe = 0;
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deleting_ret_is_safe = 0;
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| Line 2587... |
Line 2630... |
get_local_syms (bfd *input_bfd, struct bfd_link_info *info)
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get_local_syms (bfd *input_bfd, struct bfd_link_info *info)
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{
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{
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unsigned int bfd_indx;
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unsigned int bfd_indx;
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Elf_Internal_Sym *local_syms, **all_local_syms;
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Elf_Internal_Sym *local_syms, **all_local_syms;
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struct elf32_avr_link_hash_table *htab = avr_link_hash_table (info);
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struct elf32_avr_link_hash_table *htab = avr_link_hash_table (info);
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bfd_size_type amt;
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|
|
if (htab == NULL)
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if (htab == NULL)
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return -1;
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return -1;
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|
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/* We want to read in symbol extension records only once. To do this
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/* We want to read in symbol extension records only once. To do this
|
we need to read in the local symbols in parallel and save them for
|
we need to read in the local symbols in parallel and save them for
|
later use; so hold pointers to the local symbols in an array. */
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later use; so hold pointers to the local symbols in an array. */
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bfd_size_type amt = sizeof (Elf_Internal_Sym *) * htab->bfd_count;
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amt = sizeof (Elf_Internal_Sym *) * htab->bfd_count;
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all_local_syms = bfd_zmalloc (amt);
|
all_local_syms = bfd_zmalloc (amt);
|
htab->all_local_syms = all_local_syms;
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htab->all_local_syms = all_local_syms;
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if (all_local_syms == NULL)
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if (all_local_syms == NULL)
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return -1;
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return -1;
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| Line 2755... |
Line 2799... |
if (r_indx < symtab_hdr->sh_info)
|
if (r_indx < symtab_hdr->sh_info)
|
{
|
{
|
/* It's a local symbol. */
|
/* It's a local symbol. */
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Shdr *hdr;
|
Elf_Internal_Shdr *hdr;
|
|
unsigned int shndx;
|
|
|
sym = local_syms + r_indx;
|
sym = local_syms + r_indx;
|
hdr = elf_elfsections (input_bfd)[sym->st_shndx];
|
|
sym_sec = hdr->bfd_section;
|
|
if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
|
if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
|
sym_value = sym->st_value;
|
sym_value = sym->st_value;
|
|
shndx = sym->st_shndx;
|
|
if (shndx < elf_numsections (input_bfd))
|
|
{
|
|
hdr = elf_elfsections (input_bfd)[shndx];
|
|
sym_sec = hdr->bfd_section;
|
destination = (sym_value + irela->r_addend
|
destination = (sym_value + irela->r_addend
|
+ sym_sec->output_offset
|
+ sym_sec->output_offset
|
+ sym_sec->output_section->vma);
|
+ sym_sec->output_section->vma);
|
}
|
}
|
|
}
|
else
|
else
|
{
|
{
|
/* It's an external symbol. */
|
/* It's an external symbol. */
|
int e_indx;
|
int e_indx;
|
|
|
