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      1 // two_file_test_2.cc -- a two file test case for gold, file 2 of 2
      2 
      3 // Copyright (C) 2006-2016 Free Software Foundation, Inc.
      4 // Written by Ian Lance Taylor <iant (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 // 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 bool
     37 t1a()
     38 {
     39   return t1_2() == 123;
     40 }
     41 
     42 // 2  Code in file 1 refers to global data in file 2.
     43 
     44 int v2 = 456;
     45 
     46 // 3 Code in file 1 referes to common symbol in file 2.  This is
     47 // initialized at runtime to 789.
     48 
     49 int v3;
     50 
     51 // 4  Code in file 1 refers to offset within global data in file 2.
     52 
     53 char v4[] = "Hello, world";
     54 
     55 // 5 Code in file 1 refers to offset within common symbol in file 2.
     56 // This is initialized at runtime to a copy of v4.
     57 
     58 char v5[13];
     59 
     60 // 6  Data in file 1 refers to global data in file 2.  This reuses v2.
     61 
     62 // 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
     63 
     64 // 8 Data in file 1 refers to offset within global data in file 2.
     65 // This reuses v4.
     66 
     67 // 9 Data in file 1 refers to offset within common symbol in file 2.
     68 // This reuses v5.
     69 
     70 // 10 Data in file 1 refers to function in file 2.
     71 
     72 int
     73 f10()
     74 {
     75   return 135;
     76 }
     77 
     78 // 11 Pass function pointer from file 1 to file 2.
     79 
     80 int
     81 f11b(int (*pfn)())
     82 {
     83   return (*pfn)();
     84 }
     85 
     86 // 12 Compare address of function for equality in both files.
     87 
     88 bool
     89 (*f12())()
     90 {
     91   return &t12;
     92 }
     93 
     94 // 13 Compare address of inline function for equality in both files.
     95 
     96 void
     97 (*f13())()
     98 {
     99   return &f13i;
    100 }
    101 
    102 // 14 Compare string constants in file 1 and file 2.
    103 
    104 const char*
    105 f14()
    106 {
    107   return TEST_STRING_CONSTANT;
    108 }
    109 
    110 // 15 Compare wide string constants in file 1 and file 2.
    111 
    112 const wchar_t*
    113 f15()
    114 {
    115   return TEST_WIDE_STRING_CONSTANT;
    116 }
    117 
    118 // 17 File 1 checks array of string constants defined in file 2.
    119 
    120 const char* t17data[T17_COUNT] =
    121 {
    122   "a", "b", "c", "d", "e"
    123 };
    124 
    125 // 18 File 1 checks string constants referenced directly in file 2.
    126 
    127 const char*
    128 f18(int i)
    129 {
    130   switch (i)
    131     {
    132     case 0:
    133       return "a";
    134     case 1:
    135       return "b";
    136     case 2:
    137       return "c";
    138     case 3:
    139       return "d";
    140     case 4:
    141       return "e";
    142     default:
    143       return 0;
    144     }
    145 }
    146