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Changes: * The ELF linker will now generate a warning message if the stack is made executable. Similarly it will warn if the output binary contains a segment with all three of the read, write and execute permission bits set. These warnings are intended to help developers identify programs which might be vulnerable to attack via these executable memory regions. The warnings are enabled by default but can be disabled via a command line option. It is also possible to build a linker with the warnings disabled, should that be necessary. * The ELF linker now supports a --package-metadata option that allows embedding a JSON payload in accordance to the Package Metadata specification. * In linker scripts it is now possible to use TYPE=<type> in an output section description to set the section type value. * The objdump program now supports coloured/colored syntax highlighting of its disassembler output for some architectures. (Currently: AVR, RiscV, s390, x86, x86_64). * The nm program now supports a --no-weak/-W option to make it ignore weak symbols. * The readelf and objdump programs now support a -wE option to prevent them from attempting to access debuginfod servers when following links. * The objcopy program's --weaken, --weaken-symbol, and --weaken-symbols options now works with unique symbols as well. Announcement: https://sourceware.org/pipermail/binutils/2022-August/122246.html Signed-off-by: Nick Hainke <vincent@systemli.org> |
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