1  // plugin_layout_with_alignment.cc -- a test case for gold
       2  
       3  // Copyright (C) 2016-2023 Free Software Foundation, Inc.
       4  // Written by Than McIntosh <thanm@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  // Verify that plugin interfaces for section size and alignment work
      24  // correctly, and that section ordering via plugins is working
      25  // for .bss/.rodata/.data sections.
      26  
      27  // --- Initialized .rodata items
      28  
      29  __attribute__ ((section(".rodata.v1_a2"), aligned(2)))
      30  const short rodata_item1 = 101;
      31  
      32  __attribute__ ((section(".rodata.v2_a1"), aligned(1)))
      33  const char rodata_item2 = 'a';
      34  
      35  __attribute__ ((section(".rodata.v3_a8"), aligned(8)))
      36  const double rodata_item3 = 777.777;
      37  
      38  __attribute__ ((section(".rodata.v4_a1"), aligned(1)))
      39  const char rodata_item4[7] = {'1', '2', '3', '4', '5', '6', '7'};
      40  
      41  // --- Initialized .data items
      42  
      43  __attribute__ ((section(".data.v1_a2"), aligned(2)))
      44  short rwdata_item1 = 101;
      45  
      46  __attribute__ ((section(".data.v2_a1"), aligned(1)))
      47  char rwdata_item2 = 'a';
      48  
      49  __attribute__ ((section(".data.v3_a8"), aligned(8)))
      50  double rwdata_item3 = 'b';
      51  
      52  __attribute__ ((section(".data.v4_a1"), aligned(1)))
      53  char rwdata_item4[3] = {'a', 'b', 'c'};
      54  
      55  // --- Uninitialized .data items
      56  
      57  __attribute__ ((section(".bss.v1_a2"), aligned(2)))
      58  short bss_item1;
      59  
      60  __attribute__ ((section(".bss.v2_a1"), aligned(1)))
      61  char bss_item2;
      62  
      63  __attribute__ ((section(".bss.v3_a8"), aligned(8)))
      64  struct blah { union { double d; char c; } u; } bss_item3;
      65  
      66  __attribute__ ((section(".bss.v4_a1"), aligned(1)))
      67  char bss_item4[3];
      68  
      69  int main (void)
      70  {
      71    return 0;
      72  }