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linux/tools/perf/util/Build
Ian Rogers febea9ec38 perf inject/aslr: Add ASLR tool infrastructure and MMAP tracking 
If perf.data files are taken from one machine to another they may
leak virtual addresses and so weaken ASLR on the machine they are
coming from. Add an aslr option for perf inject that remaps all
virtual addresses, or drops data/events, so that the virtual address
information isn't leaked.

This patch introduces the core ASLR remapping tool infrastructure and
implements remapping/tracking for metadata events (MMAP, MMAP2, COMM,
FORK, EXIT, KSYMBOL, TEXT_POKE). Sample events are delegated without
remapping for now.

Assisted-by: Antigravity:gemini-3.1-pro
Signed-off-by: Ian Rogers <irogers@google.com>
Co-developed-by: Gabriel Marin <gmx@google.com>
Signed-off-by: Gabriel Marin <gmx@google.com>
Tested-by: James Clark <james.clark@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2026-06-15 09:02:17 -03:00

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include $(srctree)/tools/scripts/Makefile.include
include $(srctree)/tools/scripts/utilities.mak
perf-util-y += annotate-arch/
perf-util-y += arm64-frame-pointer-unwind-support.o
perf-util-y += addr2line.o
perf-util-y += addr_location.o
perf-util-y += annotate.o
perf-util-y += aslr.o
perf-util-y += blake2s.o
perf-util-y += block-info.o
perf-util-y += block-range.o
perf-util-y += build-id.o
perf-util-y += cacheline.o
perf-util-$(CONFIG_LIBCAPSTONE) += capstone.o
perf-util-y += config.o
perf-util-y += copyfile.o
perf-util-y += ctype.o
perf-util-y += db-export.o
perf-util-y += disasm.o
perf-util-y += env.o
perf-util-y += event.o
perf-util-y += evlist.o
perf-util-y += sideband_evlist.o
perf-util-y += evsel.o
perf-util-y += evsel_fprintf.o
perf-util-y += perf_event_attr_fprintf.o
perf-util-y += evswitch.o
perf-util-y += find_bit.o
perf-util-y += levenshtein.o
perf-util-$(CONFIG_LIBBFD) += libbfd.o
perf-util-y += llvm.o
perf-util-y += mmap.o
perf-util-y += memswap.o
perf-util-y += parse-events.o
perf-util-y += print-events.o
perf-util-y += tracepoint.o
perf-util-y += perf_regs.o
perf-util-y += perf-regs-arch/
perf-util-y += path.o
perf-util-y += print_binary.o
perf-util-y += print_insn.o
perf-util-y += rlimit.o
perf-util-y += argv_split.o
perf-util-y += rbtree.o
perf-util-y += libstring.o
perf-util-y += bitmap.o
perf-util-y += hweight.o
perf-util-y += smt.o
perf-util-y += strbuf.o
perf-util-y += string.o
perf-util-y += strlist.o
perf-util-y += strfilter.o
perf-util-y += top.o
perf-util-y += usage.o
perf-util-y += dso.o
perf-util-y += dsos.o
perf-util-y += symbol.o
perf-util-y += symbol_fprintf.o
perf-util-y += map_symbol.o
perf-util-y += color.o
perf-util-y += color_config.o
perf-util-y += metricgroup.o
perf-util-y += header.o
perf-util-y += callchain.o
perf-util-y += values.o
perf-util-y += debug.o
perf-util-y += fncache.o
perf-util-y += machine.o
perf-util-y += map.o
perf-util-y += maps.o
perf-util-y += pstack.o
perf-util-y += session.o
perf-util-y += tool.o
perf-util-y += sample.o
perf-util-y += sample-raw.o
perf-util-y += s390-sample-raw.o
perf-util-y += amd-sample-raw.o
perf-util-y += ordered-events.o
perf-util-y += namespaces.o
perf-util-y += comm.o
perf-util-y += thread.o
perf-util-y += threads.o
perf-util-y += thread_map.o
perf-util-y += parse-events-flex.o
perf-util-y += parse-events-bison.o
perf-util-y += pmu.o
perf-util-y += pmus.o
perf-util-y += pmu-flex.o
perf-util-y += pmu-bison.o
perf-util-y += drm_pmu.o
perf-util-y += hwmon_pmu.o
perf-util-y += tool_pmu.o
perf-util-y += tp_pmu.o
perf-util-y += svghelper.o
perf-util-y += trace-event-info.o
perf-util-y += trace-event-scripting.o
perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event.o
perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-parse.o
perf-util-$(CONFIG_LIBTRACEEVENT) += trace-event-read.o
perf-util-y += sort.o
perf-util-y += hist.o
perf-util-y += util.o
perf-util-y += cpumap.o
perf-util-y += affinity.o
perf-util-y += cputopo.o
perf-util-y += cgroup.o
perf-util-y += target.o
perf-util-y += rblist.o
perf-util-y += intlist.o
perf-util-y += vdso.o
perf-util-y += counts.o
perf-util-y += stat.o
perf-util-y += stat-shadow.o
perf-util-y += stat-display.o
perf-util-y += perf_api_probe.o
perf-util-y += record.o
perf-util-y += srcline.o
perf-util-y += srccode.o
perf-util-y += synthetic-events.o
perf-util-y += data.o
perf-util-y += tsc.o
perf-util-y += cloexec.o
perf-util-y += call-path.o
perf-util-y += rwsem.o
perf-util-y += thread-stack.o
perf-util-y += spark.o
perf-util-y += topdown.o
perf-util-y += iostat.o
perf-util-y += stream.o
perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
perf-util-y += kvm-stat-arch/
perf-util-y += lock-contention.o
perf-util-y += auxtrace.o
perf-util-y += intel-pt-decoder/
perf-util-y += intel-pt.o
perf-util-y += intel-bts.o
perf-util-y += arm-spe.o
perf-util-y += arm-spe-decoder/
perf-util-y += hisi-ptt.o
perf-util-y += hisi-ptt-decoder/
perf-util-y += s390-cpumsf.o
perf-util-y += powerpc-vpadtl.o
ifdef CONFIG_LIBOPENCSD
perf-util-y += cs-etm.o
perf-util-y += cs-etm-decoder/
endif
perf-util-y += cs-etm-base.o
perf-util-y += parse-branch-options.o
perf-util-y += parse-regs-options.o
perf-util-y += parse-sublevel-options.o
perf-util-y += term.o
perf-util-y += help-unknown-cmd.o
perf-util-y += dlfilter.o
perf-util-y += mem-events.o
perf-util-y += mem-info.o
perf-util-y += vsprintf.o
perf-util-y += units.o
perf-util-y += time-utils.o
perf-util-y += expr-flex.o
perf-util-y += expr-bison.o
perf-util-y += expr.o
perf-util-y += branch.o
perf-util-y += mem2node.o
perf-util-y += clockid.o
perf-util-y += list_sort.o
perf-util-y += mutex.o
perf-util-y += sharded_mutex.o
perf-util-y += intel-tpebs.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_counter.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_counter_cgroup.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_ftrace.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_off_cpu.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter-flex.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-filter-bison.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += btf.o
ifeq ($(CONFIG_TRACE),y)
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf-trace-summary.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_trace_augment.o
endif
ifeq ($(CONFIG_LIBTRACEEVENT),y)
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_lock_contention.o
endif
ifeq ($(CONFIG_LIBTRACEEVENT),y)
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_kwork.o
perf-util-$(CONFIG_PERF_BPF_SKEL) += bpf_kwork_top.o
endif
perf-util-$(CONFIG_LIBELF) += symbol-elf.o
perf-util-$(CONFIG_LIBELF) += probe-file.o
perf-util-$(CONFIG_LIBELF) += probe-event.o
ifdef CONFIG_LIBBPF_DYNAMIC
hashmap := 1
endif
ifndef CONFIG_LIBBPF
hashmap := 1
endif
ifdef hashmap
perf-util-y += hashmap.o
endif
ifndef CONFIG_LIBELF
perf-util-y += symbol-minimal.o
endif
ifndef CONFIG_SETNS
perf-util-y += setns.o
endif
perf-util-y += unwind.o
perf-util-$(CONFIG_LIBDW) += probe-finder.o
perf-util-$(CONFIG_LIBDW) += dwarf-aux.o
perf-util-$(CONFIG_LIBDW) += dwarf-regs.o
perf-util-$(CONFIG_LIBDW) += dwarf-regs-arch/
perf-util-$(CONFIG_LIBDW) += debuginfo.o
perf-util-$(CONFIG_LIBDW) += annotate-data.o
perf-util-$(CONFIG_LIBDW) += libdw.o
perf-util-$(CONFIG_LIBDW) += unwind-libdw.o
perf-util-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
perf-util-$(CONFIG_LIBUNWIND) += libunwind-arch/
ifeq ($(CONFIG_LIBTRACEEVENT),y)
perf-util-$(CONFIG_BABELTRACE2_CTF_WRITER) += data-convert-bt.o
endif
perf-util-y += data-convert-json.o
perf-util-y += scripting-engines/
perf-util-$(CONFIG_ZLIB) += zlib.o
perf-util-$(CONFIG_LZMA) += lzma.o
perf-util-$(CONFIG_ZSTD) += zstd.o
perf-util-y += cap.o
perf-util-$(CONFIG_CXX_DEMANGLE) += demangle-cxx.o
perf-util-y += demangle-ocaml.o
perf-util-y += demangle-java.o
perf-util-y += demangle-rust-v0.o
perf-util-$(CONFIG_LIBLLVM) += llvm-c-helpers.o
CFLAGS_demangle-rust-v0.o += -Wno-shadow -Wno-declaration-after-statement \
-Wno-switch-default -Wno-switch-enum -Wno-missing-field-initializers
ifdef CONFIG_JITDUMP
perf-util-$(CONFIG_LIBELF) += jitdump.o
perf-util-$(CONFIG_LIBELF) += genelf.o
perf-util-$(CONFIG_LIBDW) += genelf_debug.o
endif
perf-util-y += perf-hooks.o
perf-util-$(CONFIG_LIBBPF) += bpf-event.o
perf-util-$(CONFIG_LIBBPF) += bpf-utils.o
perf-util-$(CONFIG_LIBPFM4) += pfm.o
CFLAGS_config.o += -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
# avoid compiler warnings in 32-bit mode
CFLAGS_genelf_debug.o += -Wno-packed
$(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-flex.h: util/parse-events.l $(OUTPUT)util/parse-events-bison.c
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/parse-events-flex.c \
--header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/parse-events-bison.c $(OUTPUT)util/parse-events-bison.h: util/parse-events.y
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) $(BISON_FALLBACK_FLAGS) \
-o $(OUTPUT)util/parse-events-bison.c -p parse_events_
$(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-flex.h: util/expr.l $(OUTPUT)util/expr-bison.c
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/expr-flex.c \
--header-file=$(OUTPUT)util/expr-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/expr-bison.c $(OUTPUT)util/expr-bison.h: util/expr.y
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
-o $(OUTPUT)util/expr-bison.c -p expr_
$(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-flex.h: util/pmu.l $(OUTPUT)util/pmu-bison.c
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/pmu-flex.c \
--header-file=$(OUTPUT)util/pmu-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/pmu-bison.c $(OUTPUT)util/pmu-bison.h: util/pmu.y
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
-o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
$(OUTPUT)util/bpf-filter-flex.c $(OUTPUT)util/bpf-filter-flex.h: util/bpf-filter.l $(OUTPUT)util/bpf-filter-bison.c util/bpf-filter.h util/bpf_skel/sample-filter.h
$(call rule_mkdir)
$(Q)$(call echo-cmd,flex)$(FLEX) -o $(OUTPUT)util/bpf-filter-flex.c \
--header-file=$(OUTPUT)util/bpf-filter-flex.h $(PARSER_DEBUG_FLEX) $<
$(OUTPUT)util/bpf-filter-bison.c $(OUTPUT)util/bpf-filter-bison.h: util/bpf-filter.y util/bpf-filter.h util/bpf_skel/sample-filter.h
$(call rule_mkdir)
$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
-o $(OUTPUT)util/bpf-filter-bison.c -p perf_bpf_filter_
FLEX_VERSION := $(shell $(FLEX) --version | cut -d' ' -f2)
FLEX_GE_260 := $(call version-ge3,$(FLEX_VERSION),2.6.0)
ifeq ($(FLEX_GE_260),1)
flex_flags := -Wno-redundant-decls -Wno-switch-default -Wno-unused-function -Wno-misleading-indentation
# Some newer clang and gcc version complain about this
# util/parse-events-bison.c:1317:9: error: variable 'parse_events_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
# int yynerrs = 0;
flex_flags += -Wno-unused-but-set-variable
FLEX_LT_262 := $(call version-lt3,$(FLEX_VERSION),2.6.2)
ifeq ($(FLEX_LT_262),1)
flex_flags += -Wno-sign-compare
endif
else
flex_flags := -w
endif
# Some newer clang and gcc version complain about this
# util/parse-events-bison.c:1317:9: error: variable 'parse_events_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
# int yynerrs = 0;
bison_flags := -DYYENABLE_NLS=0 -Wno-unused-but-set-variable
# Old clangs don't grok -Wno-unused-but-set-variable, remove it
ifeq ($(CC_NO_CLANG), 0)
CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
ifeq ($(call version-lt3,$(CLANG_VERSION),13.0.0),1)
bison_flags := $(subst -Wno-unused-but-set-variable,,$(bison_flags))
flex_flags := $(subst -Wno-unused-but-set-variable,,$(flex_flags))
endif
endif
BISON_GE_382 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 382)
ifeq ($(BISON_GE_382),1)
bison_flags += -Wno-switch-enum
else
bison_flags += -w
endif
BISON_LT_381 := $(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 381)
ifeq ($(BISON_LT_381),1)
bison_flags += -DYYNOMEM=YYABORT
endif
CFLAGS_parse-events-flex.o += $(flex_flags) -Wno-unused-label
CFLAGS_pmu-flex.o += $(flex_flags)
CFLAGS_expr-flex.o += $(flex_flags)
CFLAGS_bpf-filter-flex.o += $(flex_flags)
CFLAGS_parse-events-bison.o += $(bison_flags)
CFLAGS_pmu-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
CFLAGS_expr-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
CFLAGS_bpf-filter-bison.o += -DYYLTYPE_IS_TRIVIAL=0 $(bison_flags)
$(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c
$(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c
$(OUTPUT)util/expr.o: $(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-bison.c
$(OUTPUT)util/bpf-filter.o: $(OUTPUT)util/bpf-filter-flex.c $(OUTPUT)util/bpf-filter-bison.c
CFLAGS_bitmap.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_find_bit.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_rbtree.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_hweight.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_header.o += -include $(OUTPUT)PERF-VERSION-FILE
CFLAGS_arm-spe.o += -I$(srctree)/tools/arch/arm64/include/ -I$(OUTPUT)arch/arm64/include/generated/
$(OUTPUT)util/argv_split.o: ../lib/argv_split.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/bitmap.o: ../lib/bitmap.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/ctype.o: ../lib/ctype.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/find_bit.o: ../lib/find_bit.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/rbtree.o: ../lib/rbtree.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/libstring.o: ../lib/string.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/vsprintf.o: ../lib/vsprintf.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/list_sort.o: ../lib/list_sort.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
PY_TESTS := setup.py
ifdef MYPY
MYPY_TEST_LOGS := $(PY_TESTS:%=%.mypy_log)
else
MYPY_TEST_LOGS :=
endif
$(OUTPUT)%.mypy_log: %
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)mypy "$<" > $@ || (cat $@ && rm $@ && false)
perf-util-y += $(MYPY_TEST_LOGS)
ifdef PYLINT
PYLINT_TEST_LOGS := $(PY_TESTS:%=%.pylint_log)
else
PYLINT_TEST_LOGS :=
endif
$(OUTPUT)%.pylint_log: %
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)pylint "$<" > $@ || (cat $@ && rm $@ && false)
perf-util-y += $(PYLINT_TEST_LOGS)
ifeq ($(CONFIG_PERF_BPF_SKEL),y)
include $(srctree)/tools/perf/bpf_skel.mak
$(OUTPUT)util/bpf_ftrace.o: $(SKEL_OUT)/func_latency.skel.h
$(OUTPUT)util/bpf-filter.o: $(SKEL_OUT)/sample_filter.skel.h
$(OUTPUT)util/bpf_kwork_top.o: $(SKEL_OUT)/kwork_top.skel.h
$(OUTPUT)util/bpf_off_cpu.o: $(SKEL_OUT)/off_cpu.skel.h
$(OUTPUT)util/bpf-trace-summary.o: $(SKEL_OUT)/syscall_summary.skel.h
$(OUTPUT)util/bpf_counter_cgroup.o: $(SKEL_OUT)/bperf_cgroup.skel.h
$(OUTPUT)util/bpf_trace_augment.o: $(SKEL_OUT)/augmented_raw_syscalls.skel.h
$(OUTPUT)util/bpf_counter.o: $(SKEL_OUT)/bpf_prog_profiler.skel.h $(SKEL_OUT)/bperf_leader.skel.h $(SKEL_OUT)/bperf_follower.skel.h
$(OUTPUT)util/bpf_lock_contention.o: $(SKEL_OUT)/lock_contention.skel.h
$(OUTPUT)util/bpf_kwork.o: $(SKEL_OUT)/kwork_trace.skel.h
endif
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