1*d5dc9583SRong Xu# SPDX-License-Identifier: GPL-2.0 2*d5dc9583SRong Xu 3*d5dc9583SRong Xu# Enable available and selected Clang Propeller features. 4*d5dc9583SRong Xuifdef CLANG_PROPELLER_PROFILE_PREFIX 5*d5dc9583SRong Xu CFLAGS_PROPELLER_CLANG := -fbasic-block-sections=list=$(CLANG_PROPELLER_PROFILE_PREFIX)_cc_profile.txt -ffunction-sections 6*d5dc9583SRong Xu KBUILD_LDFLAGS += --symbol-ordering-file=$(CLANG_PROPELLER_PROFILE_PREFIX)_ld_profile.txt --no-warn-symbol-ordering 7*d5dc9583SRong Xuelse 8*d5dc9583SRong Xu CFLAGS_PROPELLER_CLANG := -fbasic-block-sections=labels 9*d5dc9583SRong Xuendif 10*d5dc9583SRong Xu 11*d5dc9583SRong Xu# Propeller requires debug information to embed module names in the profiles. 12*d5dc9583SRong Xu# If CONFIG_DEBUG_INFO is not enabled, set -gmlt option. Skip this for AutoFDO, 13*d5dc9583SRong Xu# as the option should already be set. 14*d5dc9583SRong Xuifndef CONFIG_DEBUG_INFO 15*d5dc9583SRong Xu ifndef CONFIG_AUTOFDO_CLANG 16*d5dc9583SRong Xu CFLAGS_PROPELLER_CLANG += -gmlt 17*d5dc9583SRong Xu endif 18*d5dc9583SRong Xuendif 19*d5dc9583SRong Xu 20*d5dc9583SRong Xuifdef CONFIG_LTO_CLANG_THIN 21*d5dc9583SRong Xu ifdef CLANG_PROPELLER_PROFILE_PREFIX 22*d5dc9583SRong Xu KBUILD_LDFLAGS += --lto-basic-block-sections=$(CLANG_PROPELLER_PROFILE_PREFIX)_cc_profile.txt 23*d5dc9583SRong Xu else 24*d5dc9583SRong Xu KBUILD_LDFLAGS += --lto-basic-block-sections=labels 25*d5dc9583SRong Xu endif 26*d5dc9583SRong Xuendif 27*d5dc9583SRong Xu 28*d5dc9583SRong Xuexport CFLAGS_PROPELLER_CLANG 29