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check if vmlinux exists

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This commit is contained in:
Fancy Zhang
2022-12-30 20:39:25 +08:00
parent fd01861c62
commit 096af74237
2 changed files with 31700 additions and 0 deletions
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2
execsnoop-libbpf/CMakeLists.txt
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@@ -1,6 +1,7 @@
find_library(LIBBPF bpf REQUIRED)
# generate execsnoop.skel.h
if (EXISTS /sys/kernel/btf/vmlinux)
add_custom_command(OUTPUT execsnoop.skel.h
COMMAND bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h
COMMAND clang -O2 -g -target bpf -c execsnoop.bpf.c -o execsnoop.bpf.o
@@ -8,6 +9,7 @@ add_custom_command(OUTPUT execsnoop.skel.h
DEPENDS execsnoop.bpf.c
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
endif()
if (build_execsnoop_dl)
add_library(execsnoop MODULE execsnoop_share.cpp execsnoop.skel.h)

31698
execsnoop-libbpf/execsnoop.skel.h Normal file
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