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Currently bcc builds against a vendored copy of libbpf. This causes
problems for bpftrace which is built against bcc and the system libbpf.
The resulting version skew between the vendored and system versions of
libbpf resulting in a SEGV whenever bpftrace is used.
Although --help and -l (list probe points) work OK that is because they do
not actually use BPF! Anything that does use BPF will crash immediately,
including bpftrace --info and simple one-liners such as:
~# bpftrace -e 't:raw_syscalls:sys_exit { printf("%s", comm); }'
Attaching 1 probe...
Segmentation fault
Note that this issue is very closely related to similar problems
compiling bpftrace against mixed headers from the two libbpf versions.
Fixes: https://github.com/iovisor/bpftrace/issues/2173
Fixes: bb3e56b06f9d ("bpftrace: Fix build with new libbpf")
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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De-vendoring libbpf resolves a SEGV everytime we run bpftrace.
Unfortunately it is not currently possible to de-vendor libbpf because
bcc does not build.
Fix this with brute force and ignorance... and in a seperate patch so
this can be treated as an explanation of the problem and ripped out in
favour of the right fix.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Disable LuaJIT on rv64 since its not yes ported
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Drop upstreamed patch 0001-Remove-APInt-APSInt-toString-std-string-variants.patch
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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