src/compiler-rt/test/cfi/icall/external-call.c

   1 // RUN: %clangxx_cfi -o %t1 %s
   2 // RUN: %t1 c 1 2>&1 | FileCheck --check-prefix=CFI %s
   3 // RUN: %t1 s 2 2>&1 | FileCheck --check-prefix=CFI %s
   4
   5 // This test uses jump tables containing PC-relative references to external
   6 // symbols, which the Mach-O object writer does not currently support.
   7 // XFAIL: darwin
   8
   9 #include <stdlib.h>
  10 #include <stdio.h>
  11 #include <math.h>
  12
  13 int main(int argc, char **argv) {
  14   // CFI: 1
  15   fprintf(stderr, "1\n");
  16
  17   double (*fn)(double);
  18   if (argv[1][0] == 's')
  19     fn = sin;
  20   else
  21     fn = cos;
  22
  23   fn(atof(argv[2]));
  24
  25   // CFI: 2
  26   fprintf(stderr, "2\n");
  27 }