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[SKIP SOF-TEST] scripts/fuzz.sh: add a -p "pristine" flag that deletes build-fuzz/ #8831

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Feb 7, 2024
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[SKIP SOF-TEST] scripts/fuzz.sh: add a -p "pristine" flag that deletes build-fuzz/ #8831

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15 changes: 11 additions & 4 deletions scripts/fuzz.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,10 @@ print_help()

Usage:

$0 -b -- -DOVERLAY_CONFIG=stub_build_all_ipc4.conf -DEXTRA_CFLAGS=...
$0 -b -- -DOVERLAY_CONFIG=stub_build_all_ipc4.conf -DEXTRA_CFLAGS="-O0 -g3" ...
$0 -t 500 -- -DOVERLAY_CONFIG=stub_build_all_ipc3.conf ...


-p Delete build-fuzz/ first ("pristine")
-b Do not run/fuzz: stop after the build.
-t n Fuzz for n seconds.
-o ofile Redirect the fuzzer's extremely verbose stdout. The
Expand Down Expand Up @@ -71,11 +71,13 @@ main()
{
setup

BUILD_ONLY=false
local BUILD_ONLY=false
local PRISTINE=false
# Parse "$@". getopts stops after '--'
while getopts "ho:t:b" opt; do
while getopts "hpo:t:b" opt; do
case "$opt" in
h) print_help; exit 0;;
p) PRISTINE=true;;
o) FUZZER_STDOUT="$OPTARG";;
t) TEST_DURATION="$OPTARG";;
b) BUILD_ONLY=true;;
Expand All @@ -102,6 +104,11 @@ main()
-DCONFIG_ASAN=y
)

# Note there's never any reason to delete fuzz_corpus/.
# Don't trust `west build -p` because it is not 100% unreliable,
# especially not when doing unusual toolchain things.
if $PRISTINE; then rm -rf build-fuzz/; fi

(set -x
# When passing conflicting -DVAR='VAL UE1' -DVAR='VAL UE2' to CMake,
# the last 'VAL UE2' wins. Previous ones are silently ignored.
Expand Down
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