gold/testsuite/two_file_test_2.cc

   1 // two_file_test_2.cc -- a two file test case for gold, file 2 of 2
   2
   3 // Copyright 2006, 2007 Free Software Foundation, Inc.
   4 // Written by Ian Lance Taylor <iant@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 // This tests references between files.  This is file 2, and
  24 // two_file_test_1.cc is file 1.  See file 1 for details.
  25
  26 #include "two_file_test.h"
  27
  28 // 1  Code in file 1 calls code in file 2.
  29
  30 int
  31 t1_2()
  32 {
  33   return 123;
  34 }
  35
  36 // 2  Code in file 1 refers to global data in file 2.
  37
  38 int v2 = 456;
  39
  40 // 3 Code in file 1 referes to common symbol in file 2.  This is
  41 // initialized at runtime to 789.
  42
  43 int v3;
  44
  45 // 4  Code in file 1 refers to offset within global data in file 2.
  46
  47 char v4[] = "Hello, world";
  48
  49 // 5 Code in file 1 refers to offset within common symbol in file 2.
  50 // This is initialized at runtime to a copy of v4.
  51
  52 char v5[13];
  53
  54 // 6  Data in file 1 refers to global data in file 2.  This reuses v2.
  55
  56 // 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
  57
  58 // 8 Data in file 1 refers to offset within global data in file 2.
  59 // This reuses v4.
  60
  61 // 9 Data in file 1 refers to offset within common symbol in file 2.
  62 // This reuses v5.
  63
  64 // 10 Data in file 1 refers to function in file 2.
  65
  66 int
  67 f10()
  68 {
  69   return 135;
  70 }
  71
  72 // 11 Pass function pointer from file 1 to file 2.
  73
  74 int
  75 f11b(int (*pfn)())
  76 {
  77   return (*pfn)();
  78 }
  79
  80 // 12 Compare address of function for equality in both files.
  81
  82 bool
  83 (*f12())()
  84 {
  85   return &t12;
  86 }
  87
  88 // 13 Compare address of inline function for equality in both files.
  89
  90 void
  91 (*f13())()
  92 {
  93   return &f13i;
  94 }
  95
  96 // 14 Compare string constants in file 1 and file 2.
  97
  98 const char*
  99 f14()
 100 {
 101   return TEST_STRING_CONSTANT;
 102 }