A pointer to asan.module_ctor goes into .init_array or .ctors as
appropriate for the platform.
On Thu, Nov 10, 2016 at 1:23 AM, steven shi <shijunj...@gmail.com> wrote:
> Hello,
> I'm enabling the asan in my firmware, and I meet a issue that the
> asan.module_ctor() as below is missing in my linked firmware module. I build
> asan with -fsanitize=address -mllvm
> -asan-instrumentation-with-call-threshold=0 and I hope to understand who is
> supposed to call the asan.module_ctor() to do initialization when start a
> module? If the caller is the glibc in Linux(e.g. __libc_csu_init() in
> glibc-2.23\csu\elf-init.c) , then how the LLVM let the glibc know the
> asan.module_ctor()?
>
>
> define internal void @asan.module_ctor() {
> call void @__asan_init()
> call void @__asan_version_mismatch_check_v8()
> call void @__asan_register_globals(i64 ptrtoint ([1 x { i64, i64, i64,
> i64, i64, i64, i64, i64 }]* @0 to i64), i64 1)
> ret void
> }
>
> My firmware doesn't use glibc, all my firmware libraries are self-supported
> and not linked with OS standard library. Does it mean current LLVM asan
> cannot support my firmware? Any suggestion is welcomed.
>
>
> Thanks
> Steven Shi
>
> --
> You received this message because you are subscribed to the Google Groups
> "address-sanitizer" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to address-sanitizer+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups
"address-sanitizer" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to address-sanitizer+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
