test/msan/wrap_indirect_calls.cc

   1 // Test indirect call wrapping in MemorySanitizer.
   2
   3 // RUN: %clangxx_msan -O0 %p/wrap_indirect_calls/two.cc -fPIC -shared -o %t-two-so.so
   4 // RUN: %clangxx_msan -O0 %p/wrap_indirect_calls/wrapper.cc -fPIC -shared -o %t-wrapper-so.so
   5
   6 // Disable fast path.
   7
   8 // RUN: %clangxx_msan -O0 %p/wrap_indirect_calls/caller.cc %p/wrap_indirect_calls/one.cc %s \
   9 // RUN:     %t-two-so.so %t-wrapper-so.so \
  10 // RUN:     -mllvm -msan-wrap-indirect-calls=wrapper \
  11 // RUN:     -mllvm -msan-wrap-indirect-calls-fast=0 \
  12 // RUN:     -DSLOW=1 \
  13 // RUN:     -Wl,--defsym=__executable_start=0 -o %t
  14 // RUN: %run %t
  15
  16 // Enable fast path, call from executable, -O0.
  17
  18 // RUN: %clangxx_msan -O0 %p/wrap_indirect_calls/caller.cc %p/wrap_indirect_calls/one.cc %s \
  19 // RUN:     %t-two-so.so %t-wrapper-so.so \
  20 // RUN:     -mllvm -msan-wrap-indirect-calls=wrapper \
  21 // RUN:     -mllvm -msan-wrap-indirect-calls-fast=1 \
  22 // RUN:     -DSLOW=0 \
  23 // RUN:     -Wl,--defsym=__executable_start=0 -o %t
  24 // RUN: %run %t
  25
  26 // Enable fast path, call from executable, -O3.
  27
  28 // RUN: %clangxx_msan -O3 %p/wrap_indirect_calls/caller.cc %p/wrap_indirect_calls/one.cc %s \
  29 // RUN:     %t-two-so.so %t-wrapper-so.so \
  30 // RUN:     -mllvm -msan-wrap-indirect-calls=wrapper \
  31 // RUN:     -mllvm -msan-wrap-indirect-calls-fast=1 \
  32 // RUN:     -DSLOW=0 \
  33 // RUN:     -Wl,--defsym=__executable_start=0 -o %t
  34 // RUN: %run %t
  35
  36 // Enable fast path, call from DSO, -O0.
  37
  38 // RUN: %clangxx_msan -O0 %p/wrap_indirect_calls/caller.cc %p/wrap_indirect_calls/one.cc -shared \
  39 // RUN:     %t-two-so.so %t-wrapper-so.so \
  40 // RUN:     -mllvm -msan-wrap-indirect-calls=wrapper \
  41 // RUN:     -mllvm -msan-wrap-indirect-calls-fast=1 \
  42 // RUN:     -DSLOW=0 \
  43 // RUN:     -Wl,--defsym=__executable_start=0 -o %t-caller-so.so
  44 // RUN: %clangxx_msan -O0 %s %t-caller-so.so %t-two-so.so %t-wrapper-so.so -o %t
  45 // RUN: %run %t
  46
  47 // Enable fast path, call from DSO, -O3.
  48
  49 // RUN: %clangxx_msan -O3 %p/wrap_indirect_calls/caller.cc %p/wrap_indirect_calls/one.cc -shared \
  50 // RUN:     %t-two-so.so %t-wrapper-so.so \
  51 // RUN:     -mllvm -msan-wrap-indirect-calls=wrapper \
  52 // RUN:     -mllvm -msan-wrap-indirect-calls-fast=1 \
  53 // RUN:     -DSLOW=0 \
  54 // RUN:     -Wl,--defsym=__executable_start=0 -o %t-caller-so.so
  55 // RUN: %clangxx_msan -O3 %s %t-caller-so.so %t-two-so.so %t-wrapper-so.so -o %t
  56 // RUN: %run %t
  57
  58 // The actual test is in multiple files in wrap_indirect_calls/ directory.
  59 void run_test();
  60
  61 int main() {
  62   run_test();
  63   return 0;
  64 }