compiler-rt/test/asan/TestCases/Windows/report_after_syminitialize.cpp

   1 // This test works on both MSVC and MinGW targets, but they require different
   2 // build commands. By default we use DWARF debug info on MinGW and dbghelp does
   3 // not support it, so we need to specify extra flags to get the compiler to
   4 // generate PDB debug info.
   5
   6 // RUN: %clangxx_asan %if target={{.*-windows-gnu}} %{ -gcodeview -gcolumn-info -Wl,--pdb= -ldbghelp %} -O0 %s -o %t
   7 // RUN: %env_asan_opts=external_symbolizer_path=non-existent\\\\asdf not %run %t 2>&1 | FileCheck %s
   8
   9 #include <windows.h>
  10 #include <dbghelp.h>
  11
  12 #pragma comment(lib, "dbghelp")
  13
  14 int main() {
  15   // Make sure the RTL recovers from "no options enabled" dbghelp setup.
  16   SymSetOptions(0);
  17
  18   // Make sure the RTL recovers from "fInvadeProcess=FALSE".
  19   if (!SymInitialize(GetCurrentProcess(), 0, FALSE))
  20     return 42;
  21
  22   *(volatile int*)0 = 42;
  23   // CHECK: ERROR: AddressSanitizer: access-violation on unknown address
  24   // CHECK: The signal is caused by a WRITE memory access.
  25   // CHECK: Hint: address points to the zero page.
  26   // CHECK: {{WARNING: .*DbgHelp}}
  27   // CHECK: {{WARNING: Failed to use and restart external symbolizer}}
  28   // CHECK: {{#0 0x.* in main.*report_after_syminitialize.cpp:}}[[@LINE-6]]
  29   // CHECK: AddressSanitizer can not provide additional info.
  30 }