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add description of environment variables used

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hexcoder-
2020-02-16 22:34:51 +01:00
parent 0ad698ffbf
commit d41f413016
1 changed files with 15 additions and 1 deletions
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16
src/afl-as.c
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@ -532,7 +532,21 @@ int main(int argc, char** argv) {
"advisable to\n"
"set AFL_INST_RATIO to a value less than 100 in order to reduce the "
"odds of\n"
"instrumenting every discovered branch.\n\n");
"instrumenting every discovered branch.\n\n"
"Environment variables used:\n"
"AFL_AS: path to assembler to use for instrumented files\n"
"AFL_CC: fall back path to assembler\n"
"AFL_CXX: fall back path to assembler\n"
"TMPDIR: directory to use for temporary files\n"
"TEMP: fall back path to directory for temporary files\n"
"TMP: fall back path to directory for temporary files\n"
"AFL_INST_RATIO: user specified instrumentation ratio\n"
"AFL_QUIET: suppress verbose output\n"
"AFL_KEEP_ASSEMBLY: leave instrumented assembly files\n"
"AFL_AS_FORCE_INSTRUMENT: force instrumentation\n"
"AFL_HARDEN, AFL_USE_ASAN, AFL_USE_MSAN, ALF_USE_UBSAN:\n"
" used in the instrumentation summary message\n"
);
exit(1);