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Merge pull request #1713 from kenohassler/wafl-mode

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llvm-lto: allow skipping initialisation
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van Hauser
2023-04-25 08:21:42 +02:00
committed by GitHub
parent 46237c3332 7c3c0b26d1
commit b66d7f99a7
3 changed files with 8 additions and 3 deletions
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docs/env_variables.md
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@ -156,7 +156,7 @@ Available options:
- LTO - LTO instrumentation
- NATIVE - clang's original pcguard based instrumentation
- NGRAM-x - deeper previous location coverage (from NGRAM-2 up to NGRAM-16)
- PCGUARD - our own pcgard based instrumentation (default)
- PCGUARD - our own pcguard based instrumentation (default)
#### CMPLOG
@ -240,7 +240,9 @@ combined.
the default `0x10000`. A value of 0 or empty sets the map address to be
dynamic (the original AFL way, which is slower).
- `AFL_LLVM_MAP_DYNAMIC` sets the shared memory address to be dynamic.
- `AFL_LLVM_LTO_SKIPINIT` skips adding initialization code. Some global vars
(e.g. the highest location ID) are not injected. Needed to instrument with
[WAFL](https://github.com/fgsect/WAFL.git).
For more information, see
[instrumentation/README.lto.md](../instrumentation/README.lto.md).