vulndb/govulncheck/binscan: more exhaustive PCLN search for ELF

Some compliation/linking/stripping strategies appear to result in the
PCLN table ending up in a .data.rel.ro section, but without a header
for the 'gopclntab' part of the section. This change implements a more
exhaustive search for the PCLN table by looking for the pclntab magic
and the go magic in the .data.rel.ro section.

Change-Id: Ibb907c80b1fe3b8bf21aa3f83adae3c65bcdf1a4
Reviewed-on: https://go-review.googlesource.com/c/exp/+/337129
Trust: Roland Shoemaker <roland@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
2 files changed
tree: e32469aa1e9b48bb3e3288f3b1044c0b86d8e97f
  1. apidiff/
  2. cmd/
  3. ebnf/
  4. ebnflint/
  5. errors/
  6. event/
  7. fsnotify/
  8. inotify/
  9. internal/
  10. io/
  11. jsonrpc2/
  12. mmap/
  13. rand/
  14. shiny/
  15. shootout/
  16. sumdb/
  17. utf8string/
  18. vulncheck/
  19. vulndb/
  20. winfsnotify/
  21. .gitattributes
  22. .gitignore
  23. AUTHORS
  24. codereview.cfg
  25. CONTRIBUTING.md
  26. CONTRIBUTORS
  27. go.mod
  28. go.sum
  29. LICENSE
  30. PATENTS
  31. README.md
README.md

exp

PkgGoDev

This subrepository holds experimental and deprecated (in the old directory) packages.

The idea for this subrepository originated as the pkg/exp directory of the main repository, but its presence there made it unavailable to users of the binary downloads of the Go installation. The subrepository has therefore been created to make it possible to go get these packages.

Warning: Packages here are experimental and unreliable. Some may one day be promoted to the main repository or other subrepository, or they may be modified arbitrarily or even disappear altogether.

In short, code in this subrepository is not subject to the Go 1 compatibility promise. (No subrepo is, but the promise is even more likely to be violated by go.exp than the others.)

Caveat emptor.