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document new env var

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Keno Hassler
2023-04-24 20:21:54 +02:00
parent 531380d6ab
commit 7c3c0b26d1
2 changed files with 6 additions and 2 deletions
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6
docs/env_variables.md
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@ -156,7 +156,7 @@ Available options:
- LTO - LTO instrumentation - LTO - LTO instrumentation
- NATIVE - clang's original pcguard based instrumentation - NATIVE - clang's original pcguard based instrumentation
- NGRAM-x - deeper previous location coverage (from NGRAM-2 up to NGRAM-16) - 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 #### CMPLOG
@ -240,7 +240,9 @@ combined.
the default `0x10000`. A value of 0 or empty sets the map address to be the default `0x10000`. A value of 0 or empty sets the map address to be
dynamic (the original AFL way, which is slower). dynamic (the original AFL way, which is slower).
- `AFL_LLVM_MAP_DYNAMIC` sets the shared memory address to be dynamic. - `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 For more information, see
[instrumentation/README.lto.md](../instrumentation/README.lto.md). [instrumentation/README.lto.md](../instrumentation/README.lto.md).

2
src/afl-cc.c
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@ -2099,6 +2099,8 @@ int main(int argc, char **argv, char **envp) {
"bb\n" "bb\n"
" AFL_REAL_LD: use this lld linker instead of the compiled in " " AFL_REAL_LD: use this lld linker instead of the compiled in "
"path\n" "path\n"
" AFL_LLVM_LTO_SKIPINIT: don't inject initialization code "
"(used in WAFL mode)\n"
"If anything fails - be sure to read README.lto.md!\n"); "If anything fails - be sure to read README.lto.md!\n");
#endif #endif