X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Freloc16.c;h=39e95f288fffc372e6f279a13950e11b0e3f94be;hb=46a2d504dd875caf60f9be191a55c9ff676bcd5c;hp=39f36e7b11fe159e95244dcdc97a8f50cb1e2774;hpb=b34976b65aea8f33690229600bbf4527ec3118e1;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/reloc16.c b/bfd/reloc16.c index 39f36e7b11..39e95f288f 100644 --- a/bfd/reloc16.c +++ b/bfd/reloc16.c @@ -1,23 +1,24 @@ /* 8 and 16 bit COFF relocation functions, for BFD. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001, - 2002 Free Software Foundation, Inc. + Copyright (C) 1990-2016 Free Software Foundation, Inc. Written by Cygnus Support. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Most of this hacked by Steve Chamberlain . */ @@ -32,8 +33,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ file) (unless info->keep_memory is FALSE, in which case they should free up the relocs after dealing with them). */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "bfdlink.h" #include "genlink.h" @@ -41,10 +42,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "libcoff.h" bfd_vma -bfd_coff_reloc16_get_value (reloc, link_info, input_section) - arelent *reloc; - struct bfd_link_info *link_info; - asection *input_section; +bfd_coff_reloc16_get_value (arelent *reloc, + struct bfd_link_info *link_info, + asection *input_section) { bfd_vma value; asymbol *symbol = *(reloc->sym_ptr_ptr); @@ -74,13 +74,15 @@ bfd_coff_reloc16_get_value (reloc, link_info, input_section) else if (h != (struct bfd_link_hash_entry *) NULL && h->type == bfd_link_hash_common) value = h->u.c.size; + else if (h != (struct bfd_link_hash_entry *) NULL + && h->type == bfd_link_hash_undefweak) + /* This is a GNU extension. */ + value = 0; else { - if (!((*link_info->callbacks->undefined_symbol) - (link_info, bfd_asymbol_name (symbol), - input_section->owner, input_section, reloc->address, - TRUE))) - abort (); + (*link_info->callbacks->undefined_symbol) + (link_info, bfd_asymbol_name (symbol), + input_section->owner, input_section, reloc->address, TRUE); value = 0; } } @@ -98,11 +100,10 @@ bfd_coff_reloc16_get_value (reloc, link_info, input_section) } void -bfd_perform_slip (abfd, slip, input_section, value) - bfd *abfd; - unsigned int slip; - asection *input_section; - bfd_vma value; +bfd_perform_slip (bfd *abfd, + unsigned int slip, + asection *input_section, + bfd_vma value) { asymbol **s; @@ -137,11 +138,10 @@ bfd_perform_slip (abfd, slip, input_section, value) } bfd_boolean -bfd_coff_reloc16_relax_section (abfd, input_section, link_info, again) - bfd *abfd; - asection *input_section; - struct bfd_link_info *link_info; - bfd_boolean *again; +bfd_coff_reloc16_relax_section (bfd *abfd, + asection *input_section, + struct bfd_link_info *link_info, + bfd_boolean *again) { /* Get enough memory to hold the stuff. */ bfd *input_bfd = input_section->owner; @@ -151,6 +151,10 @@ bfd_coff_reloc16_relax_section (abfd, input_section, link_info, again) arelent **reloc_vector = NULL; long reloc_count; + if (bfd_link_relocatable (link_info)) + (*link_info->callbacks->einfo) + (_("%P%F: --relax and -r may not be used together\n")); + /* We only do global relaxation once. It is not safe to do it multiple times (see discussion of the "shrinks" array below). */ *again = FALSE; @@ -193,7 +197,7 @@ bfd_coff_reloc16_relax_section (abfd, input_section, link_info, again) bfd_size_type amt; /* Allocate and initialize the shrinks array for this section. - The last element is used as an accumlator of shrinks. */ + The last element is used as an accumulator of shrinks. */ amt = reloc_count + 1; amt *= sizeof (unsigned); shrinks = (unsigned *) bfd_zmalloc (amt); @@ -230,24 +234,20 @@ bfd_coff_reloc16_relax_section (abfd, input_section, link_info, again) free ((char *) shrinks); } - input_section->_cooked_size -= shrink; + input_section->rawsize = input_section->size; + input_section->size -= shrink; free ((char *) reloc_vector); return TRUE; } bfd_byte * -bfd_coff_reloc16_get_relocated_section_contents (in_abfd, - link_info, - link_order, - data, - relocateable, - symbols) - bfd *in_abfd; - struct bfd_link_info *link_info; - struct bfd_link_order *link_order; - bfd_byte *data; - bfd_boolean relocateable; - asymbol **symbols; +bfd_coff_reloc16_get_relocated_section_contents + (bfd *in_abfd, + struct bfd_link_info *link_info, + struct bfd_link_order *link_order, + bfd_byte *data, + bfd_boolean relocatable, + asymbol **symbols) { /* Get enough memory to hold the stuff. */ bfd *input_bfd = link_order->u.indirect.section->owner; @@ -255,23 +255,21 @@ bfd_coff_reloc16_get_relocated_section_contents (in_abfd, long reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section); arelent **reloc_vector; long reloc_count; + bfd_size_type sz; if (reloc_size < 0) return NULL; - /* If producing relocateable output, don't bother to relax. */ - if (relocateable) + /* If producing relocatable output, don't bother to relax. */ + if (relocatable) return bfd_generic_get_relocated_section_contents (in_abfd, link_info, link_order, - data, relocateable, + data, relocatable, symbols); /* Read in the section. */ - if (!bfd_get_section_contents (input_bfd, - input_section, - data, - (bfd_vma) 0, - input_section->_raw_size)) + sz = input_section->rawsize ? input_section->rawsize : input_section->size; + if (!bfd_get_section_contents (input_bfd, input_section, data, 0, sz)) return NULL; reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);