; analyzer.opt -- Options for the analyzer. ; Copyright (C) 2019-2020 Free Software Foundation, Inc. ; ; This file is part of GCC. ; ; GCC is free software; you can redistribute it and/or modify it under ; the terms of the GNU General Public License as published by the Free ; Software Foundation; either version 3, or (at your option) any later ; version. ; ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY ; WARRANTY; without even the implied warranty of MERCHANTABILITY or ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ; for more details. ; ; You should have received a copy of the GNU General Public License ; along with GCC; see the file COPYING3. If not see ; . ; See the GCC internals manual for a description of this file's format. ; Please try to keep this file in ASCII collating order. -param=analyzer-bb-explosion-factor= Common Joined UInteger Var(param_analyzer_bb_explosion_factor) Init(5) Param The maximum number of 'after supernode' exploded nodes within the analyzer per supernode, before terminating analysis. -param=analyzer-max-enodes-per-program-point= Common Joined UInteger Var(param_analyzer_max_enodes_per_program_point) Init(8) Param The maximum number of exploded nodes per program point within the analyzer, before terminating analysis of that point. -param=analyzer-max-recursion-depth= Common Joined UInteger Var(param_analyzer_max_recursion_depth) Init(2) Param The maximum number of times a callsite can appear in a call stack within the analyzer, before terminating analysis of a call that would recurse deeper. -param=analyzer-min-snodes-for-call-summary= Common Joined UInteger Var(param_analyzer_min_snodes_for_call_summary) Init(10) Param The minimum number of supernodes within a function for the analyzer to consider summarizing its effects at call sites. Wanalyzer-double-fclose Common Var(warn_analyzer_double_fclose) Init(1) Warning Warn about code paths in which a stdio FILE can be closed more than once. Wanalyzer-double-free Common Var(warn_analyzer_double_free) Init(1) Warning Warn about code paths in which a pointer can be freed more than once. Wanalyzer-exposure-through-output-file Common Var(warn_analyzer_exposure_through_output_file) Init(1) Warning Warn about code paths in which sensitive data is written to a file. Wanalyzer-file-leak Common Var(warn_analyzer_file_leak) Init(1) Warning Warn about code paths in which a stdio FILE is not closed. Wanalyzer-free-of-non-heap Common Var(warn_analyzer_free_of_non_heap) Init(1) Warning Warn about code paths in which a non-heap pointer is freed. Wanalyzer-malloc-leak Common Var(warn_analyzer_malloc_leak) Init(1) Warning Warn about code paths in which a heap-allocated pointer leaks. Wanalyzer-possible-null-argument Common Var(warn_analyzer_possible_null_argument) Init(1) Warning Warn about code paths in which a possibly-NULL value is passed to a must-not-be-NULL function argument. Wanalyzer-possible-null-dereference Common Var(warn_analyzer_possible_null_dereference) Init(1) Warning Warn about code paths in which a possibly-NULL pointer is dereferenced. Wanalyzer-unsafe-call-within-signal-handler Common Var(warn_analyzer_unsafe_call_within_signal_handler) Init(1) Warning Warn about code paths in which an async-signal-unsafe function is called from a signal handler. Wanalyzer-null-argument Common Var(warn_analyzer_null_argument) Init(1) Warning Warn about code paths in which NULL is passed to a must-not-be-NULL function argument. Wanalyzer-null-dereference Common Var(warn_analyzer_null_dereference) Init(1) Warning Warn about code paths in which a NULL pointer is dereferenced. Wanalyzer-stale-setjmp-buffer Common Var(warn_analyzer_stale_setjmp_buffer) Init(1) Warning Warn about code paths in which a longjmp rewinds to a jmp_buf saved in a stack frame that has returned. Wanalyzer-tainted-array-index Common Var(warn_analyzer_tainted_array_index) Init(1) Warning Warn about code paths in which an unsanitized value is used as an array index. Wanalyzer-use-after-free Common Var(warn_analyzer_use_after_free) Init(1) Warning Warn about code paths in which a freed value is used. Wanalyzer-use-of-pointer-in-stale-stack-frame Common Var(warn_analyzer_use_of_pointer_in_stale_stack_frame) Init(1) Warning Warn about code paths in which a pointer to a stale stack frame is used. Wanalyzer-too-complex Common Var(warn_analyzer_too_complex) Init(0) Warning Warn if the code is too complicated for the analyzer to fully explore. fanalyzer-checker= Common Joined RejectNegative Var(flag_analyzer_checker) Restrict the analyzer to run just the named checker. fanalyzer-fine-grained Common Var(flag_analyzer_fine_grained) Init(0) Avoid combining multiple statements into one exploded edge. fanalyzer-show-duplicate-count Common Var(flag_analyzer_show_duplicate_count) Init(0) Issue a note when diagnostics are deduplicated. fanalyzer-state-purge Common Var(flag_analyzer_state_purge) Init(1) Purge unneeded state during analysis. fanalyzer-state-merge Common Var(flag_analyzer_state_merge) Init(1) Merge similar-enough states during analysis. fanalyzer-transitivity Common Var(flag_analyzer_transitivity) Init(0) Enable transitivity of constraints during analysis. fanalyzer-call-summaries Common Var(flag_analyzer_call_summaries) Init(0) Approximate the effect of function calls to simplify analysis. fanalyzer-verbose-edges Common Var(flag_analyzer_verbose_edges) Init(0) Emit more verbose descriptions of control flow in diagnostics. fanalyzer-verbose-state-changes Common Var(flag_analyzer_verbose_state_changes) Init(0) Emit more verbose descriptions of state changes in diagnostics. fanalyzer-verbosity= Common Joined UInteger Var(analyzer_verbosity) Init(2) Control which events are displayed in diagnostic paths. fdump-analyzer Common RejectNegative Var(flag_dump_analyzer) Dump various analyzer internals to SRCFILE.analyzer.txt. fdump-analyzer-stderr Common RejectNegative Var(flag_dump_analyzer_stderr) Dump various analyzer internals to stderr. fdump-analyzer-callgraph Common RejectNegative Var(flag_dump_analyzer_callgraph) Dump analyzer-specific call graph information to a SRCFILE.callgraph.dot file. fdump-analyzer-exploded-graph Common RejectNegative Var(flag_dump_analyzer_exploded_graph) Dump the analyzer exploded graph to a SRCFILE.eg.dot file. fdump-analyzer-exploded-nodes Common RejectNegative Var(flag_dump_analyzer_exploded_nodes) Emit diagnostics showing the location of nodes in the exploded graph. fdump-analyzer-exploded-nodes-2 Common RejectNegative Var(flag_dump_analyzer_exploded_nodes_2) Dump a textual representation of the exploded graph to SRCFILE.eg.txt. fdump-analyzer-exploded-nodes-3 Common RejectNegative Var(flag_dump_analyzer_exploded_nodes_3) Dump a textual representation of the exploded graph to SRCFILE.eg-ID.txt. fdump-analyzer-state-purge Common RejectNegative Var(flag_dump_analyzer_state_purge) Dump state-purging information to a SRCFILE.state-purge.dot file. fdump-analyzer-supergraph Common RejectNegative Var(flag_dump_analyzer_supergraph) Dump the analyzer supergraph to a SRCFILE.supergraph.dot file. ; This comment is to ensure we retain the blank line above.