gold/testsuite/text_section_grouping.cc

   1 // text_section_grouping.cc -- a test case for gold
   2
   3 // Copyright (C) 2012-2017 Free Software Foundation, Inc.
   4 // Written by Sriraman Tallam <tmsriram@google.com>.
   5
   6 // This file is part of gold.
   7
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 3 of the License, or
  11 // (at your option) any later version.
  12
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the Free Software
  20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21 // MA 02110-1301, USA.
  22
  23 // The goal of this program is to verify if .text sections are grouped
  24 // according to prefix.  .text.unlikely, .text.startup and .text.hot should
  25 // be grouped and placed together.
  26
  27 extern "C"
  28 __attribute__ ((section(".text.hot.foo")))
  29 int hot_foo()
  30 {
  31   return 1;
  32 }
  33
  34 extern "C"
  35 __attribute__ ((section(".text.startup.foo")))
  36 int startup_foo()
  37 {
  38   return 1;
  39 }
  40
  41 extern "C"
  42 __attribute__ ((section(".text.unlikely.foo")))
  43 int unlikely_foo()
  44 {
  45   return 1;
  46 }
  47
  48 extern "C"
  49 __attribute__ ((section(".text.hot.bar")))
  50 int hot_bar()
  51 {
  52   return 1;
  53 }
  54
  55 extern "C"
  56 __attribute__ ((section(".text.startup.bar")))
  57 int startup_bar()
  58 {
  59   return 1;
  60 }
  61
  62 extern "C"
  63 __attribute__ ((section(".text.unlikely.bar")))
  64 int unlikely_bar()
  65 {
  66   return 1;
  67 }
  68
  69 int main()
  70 {
  71   return 1;
  72 }