modernize some readmes

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diff --git a/qemu_mode/libcompcov/README.compcov b/qemu_mode/libcompcov/README.compcov
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-================================================================
-strcmp() / memcmp() CompareCoverage library for AFLplusplus-QEMU
-================================================================
-
-  Written by Andrea Fioraldi <andreafioraldi@gmail.com>
-
-This Linux-only companion library allows you to instrument strcmp(), memcmp(),
-and related functions to log the CompareCoverage of these libcalls.
-
-Use this with caution. While this can speedup a lot the bypass of hard
-branch conditions it can also waste a lot of time and take up unnecessary space
-in the shared memory when logging the coverage related to functions that
-doesn't process input-related data.
-
-To use the library, you *need* to make sure that your fuzzing target is linked
-dynamically and make use of strcmp(), memcmp(), and related functions.
-For optimized binaries this is an issue, those functions are often inlined
-and this module is not capable to log the coverage in this case.
-
-If you have the source code of the fuzzing target you should nto use this
-library and QEMU but build it with afl-clang-fast and the laf-intel options.
-
-To use this library make sure to preload it with AFL_PRELOAD.
-
-  export AFL_PRELOAD=/path/to/libcompcov.so
-  export AFL_COMPCOV_LEVEL=1
-  
-  afl-fuzz -Q -i input -o output <your options> -- <target args>
-
-The AFL_COMPCOV_LEVEL tells to QEMU and libcompcov how to log comaprisons.
-Level 1 logs just comparison with immediates / read-only memory and level 2
-logs all the comparisons.
-
-The library make use of https://github.com/ouadev/proc_maps_parser and so it is
-Linux specific. However this is not a strict dependency, other UNIX operating
-systems can be supported simply replacing the code related to the
-/proc/self/maps parsing.