unit-tests/test-cases/weak-non-lazy/realmain.c

   1
   2
   3 #include <stdio.h>  // fprintf(), NULL
   4 #include <stdlib.h> // exit(), EXIT_SUCCESS
   5
   6 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
   7
   8 // getfoo() is in libfoo.dylib and uses a non-lazy pointer to reference foo
   9 // libfoo.dylib also has weak foo[]
  10 // getfoo() should be rebound to point into the foo[] in main
  11 int foo[] = { 5, 6, 7, 8 };
  12 extern int* getfoo();
  13
  14 // libfoo.dylib has a weak bar[]
  15 // libbar.dylib has a strong bar[]
  16 // at build time linker only sees weak bar in libfoo.dylib
  17 // at runtime, dyld uses strong bar in libbar.dylib
  18 extern int bar[];
  19
  20
  21 int __attribute__((weak)) stuff[] = { 1, 2, 3, 4, 5 };
  22
  23
  24 void realmain()
  25 {
  26         if ( getfoo()[2] != 7 )
  27                 FAIL("weak-non-lazy, getfoo()[2]=%d", getfoo()[2]);
  28         else if ( bar[1] != 21 )
  29                 FAIL("weak-non-lazy, bar[1]=%d", bar[1]);
  30         else if ( stuff[3] != 4 )
  31                 FAIL("weak-external-reloc, pstuffr=%d", stuff[3]);
  32         else
  33                 PASS("weak-non-lazy");
  34 }
  35
  36