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# c6b5a25e 17-Jun-2021 George Balatsouras <[email protected]>

[dfsan] Replace dfs$ prefix with .dfsan suffix

The current naming scheme adds the `dfs$` prefix to all
DFSan-instrumented functions. This breaks mangling and prevents stack
trace printers and other

[dfsan] Replace dfs$ prefix with .dfsan suffix

The current naming scheme adds the `dfs$` prefix to all
DFSan-instrumented functions. This breaks mangling and prevents stack
trace printers and other tools from automatically demangling function
names.

This new naming scheme is mangling-compatible, with the `.dfsan`
suffix being a vendor-specific suffix:
https://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling-structure

With this fix, demangling utils would work out-of-the-box.

Reviewed By: stephan.yichao.zhao

Differential Revision: https://reviews.llvm.org/D104494

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Revision tags: llvmorg-12.0.1-rc2
# 5b4dda55 04-Jun-2021 George Balatsouras <[email protected]>

[dfsan] Add full fast8 support

Complete support for fast8:
- amend shadow size and mapping in runtime
- remove fast16 mode and -dfsan-fast-16-labels flag
- remove legacy mode and make fast8 mode the

[dfsan] Add full fast8 support

Complete support for fast8:
- amend shadow size and mapping in runtime
- remove fast16 mode and -dfsan-fast-16-labels flag
- remove legacy mode and make fast8 mode the default
- remove dfsan-fast-8-labels flag
- remove functions in dfsan interface only applicable to legacy
- remove legacy-related instrumentation code and tests
- update documentation.

Reviewed By: stephan.yichao.zhao, browneee

Differential Revision: https://reviews.llvm.org/D103745

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Revision tags: llvmorg-12.0.1-rc1
# a11cb10a 21-May-2021 George Balatsouras <[email protected]>

[dfsan] Add function that prints origin stack trace to buffer

Reviewed By: stephan.yichao.zhao

Differential Revision: https://reviews.llvm.org/D102451


# b2b59f62 15-Apr-2021 George Balatsouras <[email protected]>

[dfsan] Add test for origin tracking stack traces

Reviewed By: stephan.yichao.zhao

Differential Revision: https://reviews.llvm.org/D100518