testing/test-cases/init-term-segments.dtest/foo.c

   1
   2
   3 #include <stdio.h>
   4 #include <dlfcn.h>
   5 #include <stdlib.h>
   6 #include <dispatch/dispatch.h>
   7 #include <stdbool.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <pthread.h>
  11 #include <assert.h>
  12 #include <unistd.h>
  13
  14 bool ranInit = false;
  15 bool* gRanTerm = NULL;
  16
  17 #define SUPPORT_CUSTOM_SEGMENTS !(__arm64e__ || (__arm64__ && __ARM64_ARCH_8_32__))
  18
  19 #if SUPPORT_CUSTOM_SEGMENTS
  20 __attribute__((section(("__SOMETEXT,__text"))))
  21 #endif
  22 __attribute__((constructor))
  23 void myinit()
  24 {
  25         ranInit = true;
  26 }
  27
  28 bool foo(bool* ptr) {
  29         if (!ranInit)
  30                 return false;
  31         gRanTerm = ptr;
  32         return true;
  33 }
  34
  35 #if SUPPORT_CUSTOM_SEGMENTS
  36 __attribute__((section(("__MORETEXT,__text"))))
  37 #endif
  38 __attribute__((destructor))
  39 void myterm()
  40 {
  41         if ( gRanTerm != NULL )
  42                 *gRanTerm = true;
  43 }