On 1/15/20 11:08 AM, Andrii Nakryiko wrote: > The LLVM patch https://urldefense.proofpoint.com/v2/url?u=https-3A__reviews.llvm.org_D72197&d=DwIBAg&c=5VD0RTtNlTh3ycd41b3MUw&r=DA8e1B5r073vIqRrFz7MRA&m=Pw2Bljqg1D5zPVHNmG5W7MTL_jxP_myfOOC4O-YSp_M&s=SUm2Y_ugh5NW-P8Iek263sULvuebiPSzWwtJ9J1Z330&e= makes LLVM emit function call > relocations within the same section. This includes a default .text section, > which contains any BPF sub-programs. This wasn't the case before and so libbpf > was able to get a way with slightly simpler handling of subprogram call > relocations. > > This patch adds support for .text section relocations. It needs to ensure > correct order of relocations, so does two passes: > - first, relocate .text instructions, if there are any relocations in it; > - then process all the other programs and copy over patched .text instructions > for all sub-program calls. > > v1->v2: > - break early once .text program is processed. > > Cc: Yonghong Song <yhs@xxxxxx> > Cc: Alexei Starovoitov <ast@xxxxxxxxxx> > Signed-off-by: Andrii Nakryiko <andriin@xxxxxx> Thanks for the quick fix! Acked-by: Yonghong Song <yhs@xxxxxx>
