testing/test-cases/kernel-pageablekc-fixups.dtest/bar.c

   1
   2 #include "../kernel-test-runner.h"
   3
   4 extern int kernelExport();
   5 __typeof(&kernelExport) kernelExportPtr = &kernelExport;
   6
   7 int bar() {
   8         return kernelExportPtr() + 2;
   9 }
  10
  11 extern int kernelExportDirect();
  12
  13 // Test direct pointer fixups to the kernel.  On x86_64 these would be emitted as just
  14 // a branch relocation so we needed to synthesize a stub
  15 __attribute__((constructor))
  16 int testDirectToKernel(const TestRunnerFunctions* funcs) {
  17     LOG("testDirectToKernel(): start");
  18     // The kernel returned 42
  19     int v = kernelExportDirect();
  20     if ( v != 42 ) {
  21         FAIL("kernelExportDirect() returned %d vs expected 42", v);
  22     }
  23     LOG("testDirectToKernel(): end");
  24     return 0;
  25 }