gcc/config/i386/djgpp.c

   1 /* Subroutines for DJGPP.
   2    Copyright (C) 2013-2018 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #define IN_TARGET_CODE 1
  21
  22 #include "config.h"
  23 #include "system.h"
  24 #include "coretypes.h"
  25 #include "tm.h"
  26 #include "output.h"
  27 #include "lto-section-names.h"
  28
  29 void
  30 i386_djgpp_asm_named_section(const char *name, unsigned int flags,
  31                              tree)
  32 {
  33   char flagchars[8], *f = flagchars;
  34
  35   if (flags & SECTION_WRITE)
  36     *f++ = 'w';
  37   if (flags & SECTION_CODE)
  38     *f++ = 'x';
  39
  40   /* LTO sections need 1-byte alignment to avoid confusing the
  41      zlib decompression algorithm with trailing zero pad bytes.  */
  42   if (strncmp (name, LTO_SECTION_NAME_PREFIX,
  43                         strlen (LTO_SECTION_NAME_PREFIX)) == 0)
  44     *f++ = '0';
  45
  46   *f++ = '\0';
  47
  48   fprintf (asm_out_file, "\t.section\t%s,\"%s\"\n", name, flagchars);
  49 }
  50
  51 /* Kludge because of missing COFF support for early LTO debug.  */
  52
  53 static enum debug_info_levels saved_debug_info_level;
  54
  55 void
  56 i386_djgpp_asm_lto_start (void)
  57 {
  58   saved_debug_info_level = debug_info_level;
  59   debug_info_level = DINFO_LEVEL_NONE;
  60 }
  61
  62 void
  63 i386_djgpp_asm_lto_end (void)
  64 {
  65   debug_info_level = saved_debug_info_level;
  66 }