ld/emultempl/riscvelf.em

   1 # This shell script emits a C file. -*- C -*-
   2 #   Copyright 2004, 2006, 2007, 2008, 2016 Free Software Foundation, Inc.
   3 #
   4 # This file is part of the GNU Binutils.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19 # MA 02110-1301, USA.
  20
  21 fragment <<EOF
  22
  23 #include "ldmain.h"
  24 #include "ldctor.h"
  25 #include "elf/riscv.h"
  26 #include "elfxx-riscv.h"
  27
  28 static void
  29 riscv_elf_before_allocation (void)
  30 {
  31   gld${EMULATION_NAME}_before_allocation ();
  32
  33   if (link_info.discard == discard_sec_merge)
  34     link_info.discard = discard_l;
  35
  36   /* We always need at least some relaxation to handle code alignment.  */
  37   if (RELAXATION_DISABLED_BY_USER)
  38     TARGET_ENABLE_RELAXATION;
  39   else
  40     ENABLE_RELAXATION;
  41
  42   link_info.relax_pass = 2;
  43 }
  44
  45 static void
  46 gld${EMULATION_NAME}_after_allocation (void)
  47 {
  48   int need_layout = 0;
  49
  50   /* Don't attempt to discard unused .eh_frame sections until the final link,
  51      as we can't reliably tell if they're used until after relaxation.  */
  52   if (!bfd_link_relocatable (&link_info))
  53     {
  54       need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
  55       if (need_layout < 0)
  56         {
  57           einfo ("%X%P: .eh_frame/.stab edit: %E\n");
  58           return;
  59         }
  60     }
  61
  62   gld${EMULATION_NAME}_map_segments (need_layout);
  63 }
  64
  65 EOF
  66
  67 LDEMUL_BEFORE_ALLOCATION=riscv_elf_before_allocation
  68 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation