Author: Jianzhou Zhao Date: 2021-07-27T02:07:53Z New Revision: 494f1e6706481ec49942c07ebf48697872919612
URL: https://github.com/llvm/llvm-project/commit/494f1e6706481ec49942c07ebf48697872919612 DIFF: https://github.com/llvm/llvm-project/commit/494f1e6706481ec49942c07ebf48697872919612.diff LOG: [dfsan][NFC] Fix doc format Added: Modified: clang/docs/DataFlowSanitizer.rst Removed: ################################################################################ diff --git a/clang/docs/DataFlowSanitizer.rst b/clang/docs/DataFlowSanitizer.rst index c21f9a922603..cb4837bdc788 100644 --- a/clang/docs/DataFlowSanitizer.rst +++ b/clang/docs/DataFlowSanitizer.rst @@ -153,6 +153,7 @@ Compilation Flags If the flag is true, the label of ``v`` is the union of the label of ``p`` and the label of ``*p``. If the flag is false, the label of ``v`` is the label of just ``*p``. + * ``-dfsan-combine-pointer-labels-on-store`` -- Controls whether to include or ignore the labels of pointers in store instructions. Its default value is false. For example: @@ -164,6 +165,7 @@ just ``*p``. If the flag is true, the label of ``*p`` is the union of the label of ``p`` and the label of ``v``. If the flag is false, the label of ``*p`` is the label of just ``v``. + * ``-dfsan-combine-offset-labels-on-gep`` -- Controls whether to propagate labels of offsets in GEP instructions. Its default value is true. For example: @@ -173,6 +175,7 @@ just ``v``. If the flag is true, the label of ``p`` is the union of the label of ``p`` and the label of ``i``. If the flag is false, the label of ``p`` is unchanged. + * ``-dfsan-track-select-control-flow`` -- Controls whether to track the control flow of select instructions. Its default value is true. For example: @@ -183,6 +186,7 @@ the label of ``i``. If the flag is false, the label of ``p`` is unchanged. If the flag is true, the label of ``v`` is the union of the labels of ``b``, ``v1`` and ``v2``. If the flag is false, the label of ``v`` is the union of the labels of just ``v1`` and ``v2``. + * ``-dfsan-event-callbacks`` -- An experimental feature that inserts callbacks for certain data events. Currently callbacks are only inserted for loads, stores, memory transfers (i.e. memcpy and memmove), and comparisons. Its default value @@ -195,10 +199,12 @@ following callback functions: void __dfsan_store_callback(dfsan_label Label, void* Addr); void __dfsan_mem_transfer_callback(dfsan_label *Start, size_t Len); void __dfsan_cmp_callback(dfsan_label CombinedLabel); + * ``-dfsan-track-origins`` -- Controls how to track origins. When its value is 0, the runtime does not track origins. When its value is 1, the runtime tracks origins at memory store operations. When its value is 2, the runtime tracks origins at memory load and store operations. Its default value is 0. + * ``-dfsan-instrument-with-call-threshold`` -- If a function being instrumented requires more than this number of origin stores, use callbacks instead of inline checks (-1 means never use callbacks). Its default value is 3500. _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
