<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">On Oct 5, 2015, at 4:53 AM, Monika TRIPATHI <<a href="mailto:monika.tripathi@st.com" class="">monika.tripathi@st.com</a>> wrote:<div><blockquote type="cite" class=""><div lang="EN-US" link="blue" vlink="purple" class=""><div class="WordSection1">This is regarding usage of jemalloc, I want to use jemalloc for bare metal cortex A53 malloc (since bare metal gcc does not support malloc for multicore).<o:p class=""></o:p> when I use gcc <o:p class=""></o:p>Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.3-1ubuntu5' --with-bugurl=<a href="file:///usr/share/doc/gcc-4.6/README.Bugs" class="">file:///usr/share/doc/gcc-4.6/README.Bugs</a> --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) \<o:p class=""></o:p> Then I can see the make is OK , where as when I use “bare-4.8.2-3/bin//arm-none-eabi-gcc”<o:p class=""></o:p>Then I get error <o:p class=""></o:p> In file included from include/jemalloc/internal/jemalloc_internal.h:5:0,<o:p class=""></o:p> from src/jemalloc.c:2:<o:p class=""></o:p>include/jemalloc/internal/jemalloc_internal_decls.h:11:24: fatal error: sys/mman.h: No such file or directory<o:p class=""></o:p># include <sys/mman.h><o:p class=""></o:p> ^<o:p class=""></o:p>compilation terminated.<o:p class=""></o:p>make: *** [src/jemalloc.pic.o] Error 1<o:p class=""></o:p> Now the problem is since I am working in baremetal I have to use ““bare-4.8.2-3/bin//arm-none-eabi-gcc”<o:p class=""></o:p></div></div></blockquote> </div><div>jemalloc requires the mmap() system call, so if you want to port to an environment that lacks the system call, you're going to have to provide an alternative, remove the #include <sys/mman.h>, etc.</div><div> </div><div>Jason</div> <style class=""></style></body></html>