ld/testsuite/ld-elfvers/vers1.c

   1 /*
   2  * Basic test of versioning.  The idea with this is that we define
   3  * a bunch of definitions of the same symbol, and we can theoretically
   4  * then link applications against varying sets of these.
   5  */
   6 #include "vers.h"
   7
   8 const char * show_bar1 = "asdf";
   9 const char * show_bar2 = "asdf";
  10
  11 extern int new2_foo();
  12 extern int bar33();
  13
  14 int
  15 bar()
  16 {
  17         return 3;
  18 }
  19
  20 /*
  21  * The 'hide' prefix is something so that we can automatically search the
  22  * symbol table and verify that none of these symbols were actually exported.
  23  */
  24 int
  25 hide_original_foo()
  26 {
  27         return 1+bar();
  28
  29 }
  30
  31 int
  32 hide_old_foo()
  33 {
  34         return 10+bar();
  35
  36 }
  37
  38 int
  39 hide_old_foo1()
  40 {
  41         return 100+bar();
  42
  43 }
  44
  45 int
  46 hide_new_foo()
  47 {
  48         return 1000+bar();
  49
  50 }
  51
  52 SYMVER(hide_original_foo, show_foo@);
  53 SYMVER(hide_old_foo, show_foo@VERS_1.1);
  54 SYMVER(hide_old_foo1, show_foo@VERS_1.2);
  55 SYMVER(hide_new_foo, show_foo@@VERS_2.0);
  56
  57
  58
  59 #ifdef DO_TEST10
  60 /* In test 10, we try and define a non-existant version node.  The linker
  61  * should catch this and complain. */
  62 int
  63 hide_new_bogus_foo()
  64 {
  65         return 1000+bar();
  66
  67 }
  68 SYMVER(hide_new_bogus_foo, show_foo@VERS_2.2);
  69 #endif
  70
  71
  72
  73
  74 #ifdef DO_TEST11
  75 /*
  76  * This test is designed to catch a couple of syntactic errors.  The assembler
  77  * should complain about both of the directives below.
  78  */
  79 void
  80 xyzzz()
  81 {
  82   new2_foo();
  83   bar33();
  84 }
  85
  86 SYMVER(new2_foo, fooVERS_2.0);
  87 SYMVER(bar33, bar@@VERS_2.0);
  88 #endif
  89
  90 #ifdef DO_TEST12
  91 /*
  92  * This test is designed to catch a couple of syntactic errors.  The assembler
  93  * should complain about both of the directives below.
  94  */
  95 void
  96 xyzzz()
  97 {
  98   new2_foo();
  99   bar33();
 100 }
 101
 102 SYMVER(bar33, bar@@VERS_2.0);
 103 #endif