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author | 2019-12-02 10:50:29 -0800 | |
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committer | 2019-12-02 10:50:29 -0800 | |
commit | 734c7022adaa7833aa809b3f2c3fc0cf09b2a48e (patch) | |
tree | a6d220f304709e6c18c0e42b9746bf0c3fcb74c9 /scripts | |
parent | Merge branch 'akpm' (patches from Andrew) (diff) | |
parent | libbpf: Fix readelf output parsing on powerpc with recent binutils (diff) | |
download | linux-734c7022adaa7833aa809b3f2c3fc0cf09b2a48e.tar.gz linux-734c7022adaa7833aa809b3f2c3fc0cf09b2a48e.tar.bz2 linux-734c7022adaa7833aa809b3f2c3fc0cf09b2a48e.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2019-12-02
The following pull-request contains BPF updates for your *net* tree.
We've added 10 non-merge commits during the last 6 day(s) which contain
a total of 10 files changed, 60 insertions(+), 51 deletions(-).
The main changes are:
1) Fix vmlinux BTF generation for binutils pre v2.25, from Stanislav Fomichev.
2) Fix libbpf global variable relocation to take symbol's st_value offset
into account, from Andrii Nakryiko.
3) Fix libbpf build on powerpc where check_abi target fails due to different
readelf output format, from Aurelien Jarno.
4) Don't set BPF insns RO for the case when they are JITed in order to avoid
fragmenting the direct map, from Daniel Borkmann.
5) Fix static checker warning in btf_distill_func_proto() as well as a build
error due to empty enum when BPF is compiled out, from Alexei Starovoitov.
6) Fix up generation of bpf_helper_defs.h for perf, from Arnaldo Carvalho de Melo.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'scripts')
-rwxr-xr-x | scripts/link-vmlinux.sh | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 06495379fcd8..436379940356 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -127,7 +127,9 @@ gen_btf() cut -d, -f1 | cut -d' ' -f2) bin_format=$(LANG=C ${OBJDUMP} -f ${1} | grep 'file format' | \ awk '{print $4}') - ${OBJCOPY} --dump-section .BTF=.btf.vmlinux.bin ${1} 2>/dev/null + ${OBJCOPY} --change-section-address .BTF=0 \ + --set-section-flags .BTF=alloc -O binary \ + --only-section=.BTF ${1} .btf.vmlinux.bin ${OBJCOPY} -I binary -O ${bin_format} -B ${bin_arch} \ --rename-section .data=.BTF .btf.vmlinux.bin ${2} } @@ -253,6 +255,10 @@ btf_vmlinux_bin_o="" if [ -n "${CONFIG_DEBUG_INFO_BTF}" ]; then if gen_btf .tmp_vmlinux.btf .btf.vmlinux.bin.o ; then btf_vmlinux_bin_o=.btf.vmlinux.bin.o + else + echo >&2 "Failed to generate BTF for vmlinux" + echo >&2 "Try to disable CONFIG_DEBUG_INFO_BTF" + exit 1 fi fi |