tree 62bf3ba7ab57fb31e2cc7ccc3e3a57204bfc7ca1
parent 5d73c78a6ea2b33ceea9a319414880a18e28ea4a
author Peter Collingbourne <peter@pcc.me.uk> 1608170000 -0800
committer Copybara-Service <copybara-worker@google.com> 1613725990 -0800

ObjectFileELF: Test whether reloc_header is non-null instead of asserting.

It is possible for the GetSectionHeaderByIndex lookup to fail because
the previous FindSectionContainingFileAddress lookup found a segment
instead of a section. This is possible if the binary does not have
a PLT (which means that lld will in some circumstances set DT_JMPREL
to 0, which is typically an address that is part of the ELF headers
and not in a section) and may also be possible if the section headers
have been stripped. To handle this possibility, replace the assert
with an if.

Differential Revision: https://reviews.llvm.org/D93438

GitOrigin-RevId: c314f5ede8249ef20fff1de45c2c31156b1950d4