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GCC support enabling secureplt for powerpc64. From [1] "PowerPC has two PLT models: BSS-PLT and Secure-PLT. BSS-PLT uses runtime code generation to generate the PLT stubs. Secure-PLT was introduced with GCC 4.1 and Binutils 2.17 (base has GCC 4.2.1 and Binutils 2.17), and is a more secure PLT format, using a read-only linkage table, with the dynamic linker populating a non-executable index table." This option is always enabled by glibc testing script called build-many-glibcs.py [1]. This script exist since glibc 2.25. Runtime tested with qemu_ppc64_e5500_defconfig. [1] https://reviews.freebsd.org/D20598 [2] https://sourceware.org/git/?p=glibc.git;a=blob;f=scripts/build-many-glibcs.py;h=9c08ab7b326e6385abb835eb32dd143952a71942;hb=9826b03b747b841f5fc6de2054bf1ef3f5c4bdf3#l345 Signed-off-by: Romain Naour <romain.naour@gmail.com> Cc: Matt Weber <matthew.weber@collins.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches