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| author | Alice Frosi <afrosi@redhat.com> | 2022-12-21 12:01:39 +0100 |
|---|---|---|
| committer | Alice Frosi <afrosi@redhat.com> | 2022-12-21 14:57:12 +0100 |
| commit | ca4c9f229aa46d7983302323d7468cabde55995c (patch) | |
| tree | 1e242c9bde19c254534b042846924f59aa16b46e /Makefile | |
| parent | 5d408e91861d8c995931c69eae62c25cdf130ca5 (diff) | |
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Create bpf_dbg program to disassemble BPF filters
The bpf_dbg binary prints the instructions included in the BPF filter.
This is particurarly useful for debugging and verifing the generated
filter. E.g:
./bpf_dbg test.bpf
Read 7 entries
l0: ld [4]
l1: jeq #0xc000003e, l2, l5
l2: ld [0]
l3: jeq #0x2a, l4, l5
l4: ja 5
l5: ret #0x7fff0000
l6: ret #0x7fc00000
Signed-off-by: Alice Frosi <afrosi@redhat.com>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -20,6 +20,9 @@ t.out: qemu_filter build build: build.c filter.c filter.h numbers.h $(CC) $(CFLAGS) -o build filter.c build.c +bpf_dbg: disasm.c disasm.h bpf_dbg.c + $(CC) $(CFLAGS) -o bpf_dbg bpf_dbg.c disasm.c + seitan-loader: loader.c $(CC) $(CFLAGS) -o seitan-loader loader.c |