or download this
ntdll.dll!_KiFastSystemCallRet@0()
ntdll.dll!_NtReadFile@36() + 0xc
...
perl517.dll!Perl_runops_debug(interpreter * my_perl=0x0093502c)
+Line 2126 + 0xd C
perl517.dll!win32_start_child(void * arg=0x0093502c) Line 1742 +
+ 0xd C++
kernel32.dll!_BaseThreadStart@8() + 0x37