flounderK

sudo apt install gcc-aarch64-linux-gnu
sudo apt install crossbuild-essential-arm64
sudo apt install crossbuild-essential-armel
sudo apt install gcc-arm-linux-gnueabi gcc-arm-none-eabi


git clone https://sourceware.org/git/glibc.git
cd glibc
mkdir build 
cd build 

flounderK

# hg update --clean # clean
# hg purge

hg clone https://gmplib.org/repo/gmp
cd gmp
./.bootstrap

mkdir build
cd build

flounderK

import string


def batch(it, sz):
    for i in range(0, len(it), sz):
        yield it[i:i+sz]


def hexdump_str(bytevals, offset=0, bytes_per_line=16, bytegroupsize=2):
    # get max address size

flounderK

def group_by_increment(iterable, group_incr, field_access=None, do_sort=True):    
    """                                                             
    Identify series of values that increment/decrement              
    within a bounds @group_incr, grouping them into lists.
    The comparison to determine whether a value belongs in a group is 
        if (prev_val + group_incr) <= curr_val:
   
    @iterable: iterable. This must be sorted for this function to work correctly.
    @group_incr: amount to be added to a value to determine 
    @field_access: optional function to run on each element of the iterable to get 

flounderK

sudo apt install gcc-aarch64-linux-gnu
sudo apt install crossbuild-essential-arm64
sudo apt install crossbuild-essential-armel
sudo apt install gcc-arm-linux-gnueabi gcc-arm-none-eabi


git clone https://sourceware.org/git/glibc.git
cd glibc
mkdir build
cd build

flounderK

# build libdaq from source
git clone https://github.com/snort3/libdaq
cd libdaq
./bootstrap
mkdir build
cd build 
../configure
make 
cd ../../

flounderK

import ctypes


def arb_read(addr, size=4):
    return bytes((ctypes.c_byte*size).from_address(addr))

def arb_write(addr, byts):
    (ctypes.c_byte*len(byts)).from_address(addr)[:] = byts
   
def rough_addr_of(a):

flounderK

# build targets with code coverage, CFLAGS bit only works if `+=` is used in the make file
CFLAGS="-fprofile-arcs -ftest-coverage" make CC=gcc

# <run test case>

# create files for all coverage reached by test case (don't use if using lcov)
find . -type f -iname '*.gcda' |xargs gcov 

# generate coverage file for gcda files under this directory
lcov -c -d . -o coverage.info

flounderK

CFLAGS="-fsanitize=undefined" make

flounderK

clang -fprofile-instr-generate -fcoverage-mapping -o main main.c

LLVM_PROFILE_FILE="prof.profraw" ./main

# merge many profraw files into a profdata
llvm-profdata merge -sparse prof.profraw -o prof.profdata

# show coverage
llvm-cov show ./main -instr-profile=prof.profdata