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[ Upstream commit 4294a0a7ab6282c3d92f03de84e762dda993c93d ] kernel/bpf/verifier.c file is large and growing larger all the time. So it's good to start splitting off more or less self-contained parts into separate files to keep source code size (somewhat) somewhat under control. This patch is a one step in this direction, moving some of BPF verifier log routines into a separate kernel/bpf/log.c. Right now it's most low-level and isolated routines to append data to log, reset log to previous position, etc. Eventually we could probably move verifier state printing logic here as well, but this patch doesn't attempt to do that yet. Subsequent patches will add more logic to verifier log management, so having basics in a separate file will make sure verifier.c doesn't grow more with new changes. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Lorenz Bauer <lmb@isovalent.com> Link: https://lore.kernel.org/bpf/20230406234205.323208-2-andrii@kernel.org Stable-dep-of: cff36398bd4c ("bpf: drop unnecessary user-triggerable WARN_ONCE in verifierl log") Signed-off-by: Sasha Levin <sashal@kernel.org>
47 lines
1.7 KiB
Makefile
47 lines
1.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-y := core.o
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ifneq ($(CONFIG_BPF_JIT_ALWAYS_ON),y)
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# ___bpf_prog_run() needs GCSE disabled on x86; see 3193c0836f203 for details
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cflags-nogcse-$(CONFIG_X86)$(CONFIG_CC_IS_GCC) := -fno-gcse
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endif
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CFLAGS_core.o += $(call cc-disable-warning, override-init) $(cflags-nogcse-yy)
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obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o tnum.o log.o
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obj-$(CONFIG_BPF_SYSCALL) += bpf_iter.o map_iter.o task_iter.o prog_iter.o link_iter.o
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obj-$(CONFIG_BPF_SYSCALL) += hashtab.o arraymap.o percpu_freelist.o bpf_lru_list.o lpm_trie.o map_in_map.o bloom_filter.o
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obj-$(CONFIG_BPF_SYSCALL) += local_storage.o queue_stack_maps.o ringbuf.o
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obj-$(CONFIG_BPF_SYSCALL) += bpf_local_storage.o bpf_task_storage.o
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obj-${CONFIG_BPF_LSM} += bpf_inode_storage.o
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obj-$(CONFIG_BPF_SYSCALL) += disasm.o
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obj-$(CONFIG_BPF_JIT) += trampoline.o
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obj-$(CONFIG_BPF_SYSCALL) += btf.o memalloc.o
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obj-$(CONFIG_BPF_JIT) += dispatcher.o
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ifeq ($(CONFIG_NET),y)
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obj-$(CONFIG_BPF_SYSCALL) += devmap.o
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obj-$(CONFIG_BPF_SYSCALL) += cpumap.o
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obj-$(CONFIG_BPF_SYSCALL) += offload.o
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obj-$(CONFIG_BPF_SYSCALL) += net_namespace.o
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endif
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ifeq ($(CONFIG_PERF_EVENTS),y)
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obj-$(CONFIG_BPF_SYSCALL) += stackmap.o
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endif
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ifeq ($(CONFIG_CGROUPS),y)
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obj-$(CONFIG_BPF_SYSCALL) += cgroup_iter.o
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endif
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obj-$(CONFIG_CGROUP_BPF) += cgroup.o
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ifeq ($(CONFIG_INET),y)
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obj-$(CONFIG_BPF_SYSCALL) += reuseport_array.o
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endif
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ifeq ($(CONFIG_SYSFS),y)
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obj-$(CONFIG_DEBUG_INFO_BTF) += sysfs_btf.o
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endif
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ifeq ($(CONFIG_BPF_JIT),y)
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obj-$(CONFIG_BPF_SYSCALL) += bpf_struct_ops.o
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obj-${CONFIG_BPF_LSM} += bpf_lsm.o
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endif
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obj-$(CONFIG_BPF_PRELOAD) += preload/
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obj-$(CONFIG_BPF_SYSCALL) += relo_core.o
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$(obj)/relo_core.o: $(srctree)/tools/lib/bpf/relo_core.c FORCE
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$(call if_changed_rule,cc_o_c)
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