binutils-batch-build-asan.py

#!/usr/bin/env python3

import subprocess
import tempfile
import psutil
import os
import concurrent.futures
import sys

targets = '''
aarch64-elf
aarch64-linux
aarch64_be-linux-gnu_ilp32
alpha-dec-vms
alpha-linux
alpha-linuxecoff
alpha-netbsd
alpha-unknown-freebsd4.7
am33_2.0-linux
arc-elf
arc-linux-uclibc
arm-elf
arm-linuxeabi
arm-nacl
arm-netbsdelf
arm-nto
arm-pe
arm-symbianelf
arm-vxworks
arm-wince-pe
armeb-linuxeabi
avr-elf
bfin-elf
bfin-linux-uclibc
bpf-none
cr16-elf
cris-elf
cris-linux
crisv32-linux
crx-elf
csky-elf
csky-linux
d10v-elf
d30v-elf
dlx-elf
epiphany-elf
fr30-elf
frv-elf
frv-linux
ft32-elf
h8300-elf
h8300-linux
hppa-hp-hpux10
hppa-linux
hppa64-hp-hpux11.23
hppa64-linux
i386-bsd
i386-darwin
i386-lynxos
i386-msdos
i586-linux
i686-nto
i686-pc-beos
i686-pc-elf
i686-pe
i686-vxworks
ia64-elf
ia64-freebsd5
ia64-hpux
ia64-linux
ia64-netbsd
ia64-vms
ip2k-elf
iq2000-elf
lm32-elf
lm32-linux
m32c-elf
m32r-elf
m32r-linux
m68hc11-elf
m68hc12-elf
m68k-elf
m68k-linux
mcore-elf
mcore-pe
mep-elf
metag-linux
microblaze-elf
microblaze-linux
mips-linux
mips-sgi-irix6
mips-vxworks
mips64-linux
mips64-openbsd
mips64el-openbsd
mipsel-linux-gnu
mipsisa32el-linux
mipstx39-elf
mmix
mn10200-elf
mn10300-elf
moxie-elf
msp430-elf
mt-elf
nds32be-elf
nds32le-linux
nios2-linux
or1k-elf
or1k-linux
pdp11-dec-aout
pj-elf
powerpc-aix5.1
powerpc-aix5.2
powerpc-eabisim
powerpc-eabivle
powerpc-freebsd
powerpc-linux
powerpc-nto
powerpc-wrs-vxworks
powerpc64-freebsd
powerpc64-linux
powerpc64le-linux
powerpcle-elf
pru-elf
riscv32-elf
riscv64-linux
rl78-elf
rs6000-aix4.3.3
rs6000-aix5.1
rs6000-aix5.2
rx-elf
s12z-elf
s390-linux
s390x-linux
score-elf
sh-linux
sh-nto
sh-pe
sh-rtems
sh-vxworks
shle-unknown-netbsdelf
sparc-elf
sparc-linux
sparc-sun-solaris2
sparc-vxworks
sparc64-linux
spu-elf
tic30-unknown-coff
tic4x-coff
tic54x-coff
tic6x-elf
tilegx-linux
tilepro-linux
v850-elf
vax-netbsdelf
visium-elf
wasm32
x86_64-cloudabi
x86_64-linux
x86_64-pc-linux-gnux32
x86_64-rdos
x86_64-w64-mingw32
xgate-elf
xstormy16-elf
xtensa-elf
z80-coff
z80-elf
z8k-coff
'''

targets = targets.strip().split('\n')
cpu_count = psutil.cpu_count()

def build_and_test_target(target):
    try:
        folder = tempfile.TemporaryDirectory(prefix='/dev/shm/')
        os.chdir(folder.name)
        subprocess.check_output('%s/configure --build=x86_64-linux --disable-gdb --disable-gdbserver --disable-sim --enable-obsolete --target=%s CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"'
                % (sys.argv[1], target), shell=True, stderr=subprocess.DEVNULL)
        env = os.environ.copy()
        env['ASAN_OPTIONS'] = 'detect_leaks=0'
        r = subprocess.run('make -j8', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.PIPE, encoding='utf8', env=env)
        if r.returncode != 0:
            errors = [l for l in r.stderr.split('\n') if 'error:' in l]
            assert errors
            return errors

        subprocess.run('make check -k', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        output = subprocess.check_output('find .  -name "*.log" | xargs cat', shell=True, stderr=subprocess.DEVNULL, encoding='utf8').strip()
        print('D', end='', flush=True)
        return output.split('\n') if output else []
    finally:
        folder.cleanup()

seen = set()

def report_error(command, test_case, location, full_line, target):
    prefix = 'ASAN error: ' if 'AddressSanitizer' in full_line else 'UBSAN error: '
    if not location in seen:
        seen.add(location)
        print('-' * 80)
        print(prefix + location)
        print('The following fails when I build binutils with:')
        print('configure --build=x86_64-linux --disable-gdb --disable-gdbserver --disable-werror --enable-obsolete --target=%s ' \
              'CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"' \
              'CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"' \
              'LDFLAGS="-ldl"' % target)
        print('Target: %s' % target)
        print(test_case)
        print(command)
        print(full_line)
        print()

results = {}

print('.' * len(targets))
with concurrent.futures.ProcessPoolExecutor(max_workers=16) as executor:
    future_map = {executor.submit(build_and_test_target, target): target for target in targets}
    for future in concurrent.futures.as_completed(future_map):
        target = future_map[future]
        try:
            errors = future.result()
            results[target] = future.result()
        except Exception as exc:
            print(f'{target!r} generated an exception: {exc}')
print()

for target in targets:
    errors = results[target]
    print('=== %s ===' % target)
    for i, err in enumerate(errors):
        if err.startswith('succeeded with: ') or err.startswith('failed with: ') or err.startswith('line ') or err.startswith('extra line'):
            continue
        if 'ERROR: AddressSanitizer:' in err:
            n = i + 1
            bt = []
            prefix = '    #'
            while not errors[n].startswith(prefix):
                n += 1
            while errors[n].startswith(prefix):
                bt.append(errors[n])
                n += 1
            location = bt[0]
            location = location[location.find('in'):]

            n = i - 1
            while not 'Executing on host' in errors[n]:
                n -= 1
            command = errors[n]
            while not 'PASS:' in errors[n] and not 'FAIL' in errors[n]:
                n -= 1
            test_case = errors[n]
            report_error(command, test_case, location, '\n'.join([err] + bt), target)
        elif 'runtime error' in err and 'conftest.c' not in err:
            n = i - 1
            while not 'Executing on host' in errors[n]:
                n -= 1
            command = errors[n]
            while not 'PASS:' in errors[n] and not 'FAIL' in errors[n]:
                n -= 1
            test_case= errors[n]

            location = err
            location = location[:location.find('runtime error')]
            report_error(command, test_case, location, err, target)

    errors = [l for l in errors if 'runtime error:' in l or '' in l]

sys.exit(0 if not seen else 1)