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      1 // dwp_test_2.cc -- a test case for dwp
      2 
      3 // Copyright (C) 2012-2016 Free Software Foundation, Inc.
      4 // Written by Cary Coutant <ccoutant (at) 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 // Adapted from two_file_test_2.cc.
     24 
     25 #include "dwp_test.h"
     26 
     27 // 1  Code in file 1 calls code in file 2.
     28 
     29 int
     30 C1::t1_2()
     31 {
     32   return 123;
     33 }
     34 
     35 bool
     36 C1::t1a()
     37 {
     38   return t1_2() == 123;
     39 }
     40 
     41 // 2  Code in file 1 refers to global data in file 2.
     42 
     43 int v2 = 456;
     44 
     45 // 3 Code in file 1 referes to common symbol in file 2.  This is
     46 // initialized at runtime to 789.
     47 
     48 int v3;
     49 
     50 // 4  Code in file 1 refers to offset within global data in file 2.
     51 
     52 char v4[] = "Hello, world";
     53 
     54 // 5 Code in file 1 refers to offset within common symbol in file 2.
     55 // This is initialized at runtime to a copy of v4.
     56 
     57 char v5[13];
     58 
     59 // 6  Data in file 1 refers to global data in file 2.  This reuses v2.
     60 
     61 // 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
     62 
     63 // 8 Data in file 1 refers to offset within global data in file 2.
     64 // This reuses v4.
     65 
     66 // 9 Data in file 1 refers to offset within common symbol in file 2.
     67 // This reuses v5.
     68 
     69 // 10 Data in file 1 refers to function in file 2.
     70 
     71 int
     72 f10()
     73 {
     74   return 135;
     75 }
     76 
     77 // 11 Pass function pointer from file 1 to file 2.
     78 
     79 int
     80 f11b(int (*pfn)())
     81 {
     82   return (*pfn)();
     83 }
     84 
     85 // 12 Compare address of function for equality in both files.
     86 
     87 bool
     88 (*C3::f4())()
     89 {
     90   return &t12;
     91 }
     92 
     93 // 13 Compare address of inline function for equality in both files.
     94 
     95 void
     96 (*f13())()
     97 {
     98   return &f13i;
     99 }
    100 
    101 // 14 Compare string constants in file 1 and file 2.
    102 
    103 const char*
    104 f14()
    105 {
    106   return TEST_STRING_CONSTANT;
    107 }
    108 
    109 // 15 Compare wide string constants in file 1 and file 2.
    110 
    111 const wchar_t*
    112 f15()
    113 {
    114   return TEST_WIDE_STRING_CONSTANT;
    115 }
    116 
    117 // 17 File 1 checks array of string constants defined in file 2.
    118 
    119 const char* t17data[T17_COUNT] =
    120 {
    121   "a", "b", "c", "d", "e"
    122 };
    123 
    124 // 18 File 1 checks string constants referenced directly in file 2.
    125 
    126 const char*
    127 f18(int i)
    128 {
    129   switch (i)
    130     {
    131     case 0:
    132       return "a";
    133     case 1:
    134       return "b";
    135     case 2:
    136       return "c";
    137     case 3:
    138       return "d";
    139     case 4:
    140       return "e";
    141     default:
    142       return 0;
    143     }
    144 }
    145