162306a36Sopenharmony_ci#!/bin/bash 262306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 362306a36Sopenharmony_ci 462306a36Sopenharmony_ciset -e 562306a36Sopenharmony_ciset -o pipefail 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci# To debug, uncomment the following line 862306a36Sopenharmony_ci# set -x 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci# -mprofile-kernel is only supported on 64-bit, so this should not be invoked 1162306a36Sopenharmony_ci# for 32-bit. We pass in -m64 explicitly, and -mbig-endian and -mlittle-endian 1262306a36Sopenharmony_ci# are passed in from Kconfig, which takes care of toolchains defaulting to 1362306a36Sopenharmony_ci# other targets. 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci# Test whether the compile option -mprofile-kernel exists and generates 1662306a36Sopenharmony_ci# profiling code (ie. a call to _mcount()). 1762306a36Sopenharmony_ciecho "int func() { return 0; }" | \ 1862306a36Sopenharmony_ci $* -m64 -S -x c -O2 -p -mprofile-kernel - -o - \ 1962306a36Sopenharmony_ci 2> /dev/null | grep -q "_mcount" 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci# Test whether the notrace attribute correctly suppresses calls to _mcount(). 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ciecho -e "#include <linux/compiler.h>\nnotrace int func() { return 0; }" | \ 2462306a36Sopenharmony_ci $* -m64 -S -x c -O2 -p -mprofile-kernel - -o - \ 2562306a36Sopenharmony_ci 2> /dev/null | grep -q "_mcount" && \ 2662306a36Sopenharmony_ci exit 1 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciexit 0 29