# SPDX-License-Identifier: GPL-2.0## Makefile for the linux kernel.# CONTEXT_ANALYSIS := y ifdef CONFIG_FUNCTION_TRACER # Do not trace tracer codeCFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) # Do not trace early setup codeCFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)CFLAGS_REMOVE_rethook.o = $(CC_FLAGS_FTRACE)CFLAGS_REMOVE_stacktrace.o = $(CC_FLAGS_FTRACE)CFLAGS_REMOVE_unwind_bc.o = $(CC_FLAGS_FTRACE) endif GCOV_PROFILE_early.o := nKCOV_INSTRUMENT_early.o := nUBSAN_SANITIZE_early.o := nKASAN_SANITIZE_ipl.o := nKASAN_SANITIZE_machine_kexec.o := n ## Passing null pointers is ok for smp code, since we access the lowcore here.#CFLAGS_smp.o := -Wno-nonnull ## Disable tailcall optimizations for stack / callchain walking functions# since this might generate broken code when accessing register 15 and# passing its content to other functions.#CFLAGS_stacktrace.o += -fno-optimize-sibling-callsCFLAGS_dumpstack.o += -fno-optimize-sibling-callsCFLAGS_unwind_bc.o += -fno-optimize-sibling-calls obj-y := head.o traps.o time.o process.o early.o setup.o idle.o vtime.oobj-y += processor.o syscall.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.oobj-y += debug.o irq.o ipl.o dis.o vdso.o cpufeature.oobj-y += sysinfo.o lgr.o os_info.o ctlreg.oobj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.oobj-y += entry.o reipl.o kdebugfs.o alternative.o skey.oobj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.oobj-y += smp.o text_amode31.o stacktrace.o abs_lowcore.o facility.o uv.o wti.oobj-y += diag/ always-$(KBUILD_BUILTIN) += vmlinux.lds obj-$(CONFIG_SYSFS) += nospec-sysfs.oCFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE) obj-$(CONFIG_SYSFS) += cpacf.oobj-$(CONFIG_MODULES) += module.oobj-$(CONFIG_SCHED_TOPOLOGY) += topology.o hiperdispatch.oobj-$(CONFIG_NUMA) += numa.oobj-$(CONFIG_AUDIT) += audit.oobj-$(CONFIG_EARLY_PRINTK) += early_printk.oobj-$(CONFIG_KPROBES) += kprobes.oobj-$(CONFIG_KPROBES) += mcount.oobj-$(CONFIG_RETHOOK) += rethook.oobj-$(CONFIG_FUNCTION_TRACER) += ftrace.oobj-$(CONFIG_FUNCTION_TRACER) += mcount.oobj-$(CONFIG_TRACING) += trace_clock.oobj-$(CONFIG_CRASH_DUMP) += crash_dump.oobj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.oobj-$(CONFIG_VMCORE_INFO) += vmcore_info.oobj-$(CONFIG_UPROBES) += uprobes.oobj-$(CONFIG_JUMP_LABEL) += jump_label.oobj-$(CONFIG_STACKPROTECTOR) += stackprotector.oobj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.oobj-$(CONFIG_KEXEC_FILE) += kexec_elf.oobj-$(CONFIG_CERT_STORE) += cert_store.oobj-$(CONFIG_KMSAN) += irqflags.o obj-$(CONFIG_PERF_EVENTS) += perf_event.oobj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.oobj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.oobj-$(CONFIG_PERF_EVENTS) += perf_pai.o obj-$(CONFIG_TRACEPOINTS) += trace.o obj-$(CONFIG_BPF_SYSCALL) += bpf.o # vdsoobj-y += vdso/
# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
CONTEXT_ANALYSIS := y
ifdef CONFIG_FUNCTION_TRACER
# Do not trace tracer code
CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
# Do not trace early setup code
CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_rethook.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_stacktrace.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_unwind_bc.o = $(CC_FLAGS_FTRACE)
endif
GCOV_PROFILE_early.o := n
KCOV_INSTRUMENT_early.o := n
UBSAN_SANITIZE_early.o := n
KASAN_SANITIZE_ipl.o := n
KASAN_SANITIZE_machine_kexec.o := n
#
# Passing null pointers is ok for smp code, since we access the lowcore here.
#
CFLAGS_smp.o := -Wno-nonnull
#
# Disable tailcall optimizations for stack / callchain walking functions
# since this might generate broken code when accessing register 15 and
# passing its content to other functions.
#
CFLAGS_stacktrace.o += -fno-optimize-sibling-calls
CFLAGS_dumpstack.o += -fno-optimize-sibling-calls
CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls
obj-y := head.o traps.o time.o process.o early.o setup.o idle.o vtime.o
obj-y += processor.o syscall.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
obj-y += debug.o irq.o ipl.o dis.o vdso.o cpufeature.o
obj-y += sysinfo.o lgr.o os_info.o ctlreg.o
obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
obj-y += entry.o reipl.o kdebugfs.o alternative.o skey.o
obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
obj-y += smp.o text_amode31.o stacktrace.o abs_lowcore.o facility.o uv.o wti.o
obj-y += diag/
always-$(KBUILD_BUILTIN) += vmlinux.lds
obj-$(CONFIG_SYSFS) += nospec-sysfs.o
CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE)
obj-$(CONFIG_SYSFS) += cpacf.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o hiperdispatch.o
obj-$(CONFIG_NUMA) += numa.o
obj-$(CONFIG_AUDIT) += audit.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_KPROBES) += mcount.o
obj-$(CONFIG_RETHOOK) += rethook.o
obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o
obj-$(CONFIG_FUNCTION_TRACER) += mcount.o
obj-$(CONFIG_TRACING) += trace_clock.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o
obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o
obj-$(CONFIG_UPROBES) += uprobes.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
obj-$(CONFIG_STACKPROTECTOR) += stackprotector.o
obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o
obj-$(CONFIG_CERT_STORE) += cert_store.o
obj-$(CONFIG_KMSAN) += irqflags.o
obj-$(CONFIG_PERF_EVENTS) += perf_event.o
obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o
obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o
obj-$(CONFIG_PERF_EVENTS) += perf_pai.o
obj-$(CONFIG_TRACEPOINTS) += trace.o
obj-$(CONFIG_BPF_SYSCALL) += bpf.o
# vdso
obj-y += vdso/