On Tue, Jan 6, 2015 at 9:48 AM, Dave Hansen <dave.han...@linux.intel.com> wrote: > On 01/05/2015 09:59 PM, Andy Lutomirski wrote: >> But I decided to check whether libmpx links against glibc, and I can't >> find sources for it at all. Do they exist? Is there any code with >> source available that invokes this prctl? >> >> If not, I personally have very little sympathy for the argument that a >> binary buried in the depths of the Intel SDE would need to change if >> we switched to using arch_prctl. And I think that it should issue the >> syscall itself without using glibc, in which case the syscall wrapper >> issue is moot. > > Andy, as I mentioned previously, there is code in a GCC branch that uses > the existing prctl(). It's also been posted for review to one of the > GCC mailing lists. I've been told that it will be in gcc 5.0. >
Can you point me to it? I found the code generation stuff in the gcc branch, but I couldn't find the runtime. > The Intel SDE does not use the prctl() in any way that I know of. I found a couple references suggesting that libmpx lived in the SDE. For example: https://software.intel.com/en-us/articles/using-intel-mpx-with-the-intel-software-development-emulator --Andy -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
