Use absolute pcs and load locations to symbolize on macOS.

atos gets confused if it's passed a relative address that's lower than the load
location of the TEXT segment of a Mach-O file. This CL adds a utility to read
the load address of a Mach-O file, and then computes an absolute PC/load
location based on the relative PC.

BUG=chromium:677302

Review-Url: https://codereview.chromium.org/2698543003
3 files changed
tree: ab279424602c638bc3bdcb4b23d49fff0eefb50a
  1. bin/
  2. catapult_base/
  3. catapult_build/
  4. common/
  5. dashboard/
  6. dependency_manager/
  7. devil/
  8. docs/
  9. experimental/
  10. firefighter/
  11. hooks/
  12. infra/
  13. netlog_viewer/
  14. systrace/
  15. telemetry/
  16. third_party/
  17. trace_processor/
  18. tracing/
  19. .eslintignore
  20. .eslintrc
  21. .gitignore
  22. AUTHORS
  23. codereview.settings
  24. CONTRIBUTING.md
  25. LICENSE
  26. navbar.md
  27. OWNERS
  28. PRESUBMIT.py
  29. pylintrc
  30. README.md
  31. WATCHLISTS
README.md

Catapult

Catapult is the home for several performance tools that span from gathering, displaying and analyzing performance data. This includes:

These tools were created by Chromium developers for performance analysis, testing, and monitoring of Chrome, but they can also be used for analyzing and monitoring websites, and eventually Android apps.

Contributing

Please see our contributor's guide

Current build status