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authorDavid Daney <david.daney@cavium.com>2017-06-14 02:49:38 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-14 22:03:23 +0300
commit4b7190e8416d9238e995da993a7fb851996654e2 (patch)
treecd9223768849c8dc218787198acdc37d4ba2dc17 /scripts
parentc1932cdb275e65cbef2f230f0df0c490fdd03c62 (diff)
downloadlinux-4b7190e8416d9238e995da993a7fb851996654e2.tar.xz
samples/bpf: Fix tracex5 to work with MIPS syscalls.
There are two problems: 1) In MIPS the __NR_* macros expand to an expression, this causes the sections of the object file to be named like: . . . [ 5] kprobe/(5000 + 1) PROGBITS 0000000000000000 000160 ... [ 6] kprobe/(5000 + 0) PROGBITS 0000000000000000 000258 ... [ 7] kprobe/(5000 + 9) PROGBITS 0000000000000000 000348 ... . . . The fix here is to use the "asm_offsets" trick to evaluate the macros in the C compiler and generate a header file with a usable form of the macros. 2) MIPS syscall numbers start at 5000, so we need a bigger map to hold the sub-programs. Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'scripts')
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