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chromium / external / github.com / DynamoRIO / dynamorio / refs/tags/cronbuild-7.91.18219
commitdadb8ff2eeb173e34d9feaef6f6d8da53666a256[log] [tgz]
authorHendrik Greving <hgreving@google.com>Tue Nov 19 23:15:25 2019
committerGitHub <noreply@github.com>Tue Nov 19 23:15:25 2019
tree65fdd1bfb36990cbd09550803d5ad643894a6ade
parentd68feb5637f500cd6a74a3f1df3440dc4bde8354 [diff]
i#1312 AVX-512 support: Suppress incomplete AVX-512 support on non-UNIX and 32-bit. (#3954)

As pointed out in cf1ec32, AVX-512 context management by DynamoRIO is not
fully supported or is untested on non-UNIX as well as on 32-bit builds. Yet processor
detection and certain AVX-512 functionality was enabled on those builds when running on
machines with AVX-512 support enabled by the OS. This was causing problems (xref #3949).
For now, this patch completely disables all AVX-512 features on unsupported and untested
builds.

Fixes #3949
Issue: #1312
2 files changed
tree: 65fdd1bfb36990cbd09550803d5ad643894a6ade
  1. .github/
  2. api/
  3. clients/
  4. core/
  5. ext/
  6. libutil/
  7. make/
  8. suite/
  9. third_party/
  10. tools/
  11. .appveyor.yml
  12. .clang-format
  13. .travis.yml
  14. ACKNOWLEDGEMENTS
  15. CMakeLists.txt
  16. CONTRIBUTING.md
  17. CTestConfig.cmake
  18. License.txt
  19. README
  20. README.md
README.md

DynamoRIO

DynamoRIO logo

About DynamoRIO

DynamoRIO is a runtime code manipulation system that supports code transformations on any part of a program, while it executes. DynamoRIO exports an interface for building dynamic tools for a wide variety of uses: program analysis and understanding, profiling, instrumentation, optimization, translation, etc. Unlike many dynamic tool systems, DynamoRIO is not limited to insertion of callouts/trampolines and allows arbitrary modifications to application instructions via a powerful IA-32/AMD64/ARM/AArch64 instruction manipulation library. DynamoRIO provides efficient, transparent, and comprehensive manipulation of unmodified applications running on stock operating systems (Windows, Linux, or Android) and commodity IA-32, AMD64, ARM, and AArch64 hardware. Mac OSX support is in progress.

Existing DynamoRIO-based tools

Tools built on DynamoRIO and provided in our release package include:

  • The memory debugging tool Dr. Memory
  • The multi-process cache simulator and memory address trace collection and analysis platform drcachesim
  • The legacy processor emulator drcpusim
  • The “strace for Windows” tool drstrace
  • The code coverage tool drcov
  • The library tracing tool drltrace
  • The memory tracing tool memtrace
  • The basic block tracing tool bbbuf
  • The instruction counting tool inscount

Building your own custom tools

DynamoRIO‘s powerful API abstracts away the details of the underlying infrastructure and allows the tool builder to concentrate on analyzing or modifying the application’s runtime code stream. API documentation is included in the release package and can also be browsed online. Slides from our past tutorials are also available.

Downloading DynamoRIO

DynamoRIO is available free of charge as a binary package for both Windows and Linux. DynamoRIO's source code is available under a BSD license.

Obtaining Help

Use the discussion list to ask questions.

To report a bug, use the issue tracker.

See also the DynamoRIO home page: http://dynamorio.org/