1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 27c8fc35dSWill Deaconlib-y := clear_user.o delay.o copy_from_user.o \ 312a0ef7bSWill Deacon copy_to_user.o copy_in_user.o copy_page.o \ 412a0ef7bSWill Deacon clear_page.o memchr.o memcpy.o memmove.o memset.o \ 50a42cb0aSzhichang.yuan memcmp.o strcmp.o strncmp.o strlen.o strnlen.o \ 6fb872273SJason A. Donenfeld strchr.o strrchr.o tishift.o 7c0385b24SWill Deacon 85be8b70aSArd Biesheuvel# Tell the compiler to treat all general purpose registers (with the 95be8b70aSArd Biesheuvel# exception of the IP registers, which are already handled by the caller 105be8b70aSArd Biesheuvel# in case of a PLT) as callee-saved, which allows for efficient runtime 115be8b70aSArd Biesheuvel# patching of the bl instruction in the caller with an atomic instruction 125be8b70aSArd Biesheuvel# when supported by the CPU. Result and argument registers are handled 135be8b70aSArd Biesheuvel# correctly, based on the function prototype. 14c0385b24SWill Deaconlib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o 152a6c7c36STri VoCFLAGS_atomic_ll_sc.o := -ffixed-x1 -ffixed-x2 \ 16c0385b24SWill Deacon -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \ 17c0385b24SWill Deacon -ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \ 18c0385b24SWill Deacon -fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \ 19c0385b24SWill Deacon -fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \ 206b24442dSWill Deacon -fcall-saved-x18 -fomit-frame-pointer 216b24442dSWill DeaconCFLAGS_REMOVE_atomic_ll_sc.o := -pg 223789c122SMark RutlandGCOV_PROFILE_atomic_ll_sc.o := n 233789c122SMark RutlandKASAN_SANITIZE_atomic_ll_sc.o := n 243789c122SMark RutlandKCOV_INSTRUMENT_atomic_ll_sc.o := n 253789c122SMark RutlandUBSAN_SANITIZE_atomic_ll_sc.o := n 265d7bdeb1SRobin Murphy 275d7bdeb1SRobin Murphylib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o 287481cddfSArd Biesheuvel 297481cddfSArd Biesheuvelobj-$(CONFIG_CRC32) += crc32.o 30