From 757bf1dff5e8cee34c0a75d06140ca972bfecfa7 Mon Sep 17 00:00:00 2001 From: David Malcolm Date: Fri, 27 Sep 2019 09:23:16 -0400 Subject: Initial commit of analyzer This patch adds a static analysis pass to the middle-end, focusing for this release on C code, and malloc/free issues in particular. See: https://gcc.gnu.org/wiki/DavidMalcolm/StaticAnalyzer gcc/ChangeLog: * Makefile.in (lang_opt_files): Add analyzer.opt. (ANALYZER_OBJS): New. (OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o, tristate.o and ANALYZER_OBJS. (TEXI_GCCINT_FILES): Add analyzer.texi. * common.opt (-fanalyzer): New driver option. * config.in: Regenerate. * configure: Regenerate. * configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option. (gccdepdir): Also create depdir for "analyzer" subdir. * digraph.cc: New file. * digraph.h: New file. * doc/analyzer.texi: New file. * doc/gccint.texi ("Static Analyzer") New menu item. (analyzer.texi): Include it. * doc/invoke.texi ("Static Analyzer Options"): New list and new section. ("Warning Options"): Add static analysis warnings to the list. (-Wno-analyzer-double-fclose): New option. (-Wno-analyzer-double-free): New option. (-Wno-analyzer-exposure-through-output-file): New option. (-Wno-analyzer-file-leak): New option. (-Wno-analyzer-free-of-non-heap): New option. (-Wno-analyzer-malloc-leak): New option. (-Wno-analyzer-possible-null-argument): New option. (-Wno-analyzer-possible-null-dereference): New option. (-Wno-analyzer-null-argument): New option. (-Wno-analyzer-null-dereference): New option. (-Wno-analyzer-stale-setjmp-buffer): New option. (-Wno-analyzer-tainted-array-index): New option. (-Wno-analyzer-use-after-free): New option. (-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option. (-Wno-analyzer-use-of-uninitialized-value): New option. (-Wanalyzer-too-complex): New option. (-fanalyzer-call-summaries): New warning. (-fanalyzer-checker=): New warning. (-fanalyzer-fine-grained): New warning. (-fno-analyzer-state-merge): New warning. (-fno-analyzer-state-purge): New warning. (-fanalyzer-transitivity): New warning. (-fanalyzer-verbose-edges): New warning. (-fanalyzer-verbose-state-changes): New warning. (-fanalyzer-verbosity=): New warning. (-fdump-analyzer): New warning. (-fdump-analyzer-callgraph): New warning. (-fdump-analyzer-exploded-graph): New warning. (-fdump-analyzer-exploded-nodes): New warning. (-fdump-analyzer-exploded-nodes-2): New warning. (-fdump-analyzer-exploded-nodes-3): New warning. (-fdump-analyzer-supergraph): New warning. * doc/sourcebuild.texi (dg-require-dot): New. (dg-check-dot): New. * gdbinit.in (break-on-saved-diagnostic): New command. * graphviz.cc: New file. * graphviz.h: New file. * ordered-hash-map-tests.cc: New file. * ordered-hash-map.h: New file. * passes.def (pass_analyzer): Add before pass_ipa_whole_program_visibility. * selftest-run-tests.c (selftest::run_tests): Call selftest::ordered_hash_map_tests_cc_tests. * selftest.h (selftest::ordered_hash_map_tests_cc_tests): New decl. * shortest-paths.h: New file. * timevar.def (TV_ANALYZER): New timevar. (TV_ANALYZER_SUPERGRAPH): Likewise. (TV_ANALYZER_STATE_PURGE): Likewise. (TV_ANALYZER_PLAN): Likewise. (TV_ANALYZER_SCC): Likewise. (TV_ANALYZER_WORKLIST): Likewise. (TV_ANALYZER_DUMP): Likewise. (TV_ANALYZER_DIAGNOSTICS): Likewise. (TV_ANALYZER_SHORTEST_PATHS): Likewise. * tree-pass.h (make_pass_analyzer): New decl. * tristate.cc: New file. * tristate.h: New file. gcc/analyzer/ChangeLog: * ChangeLog: New file. * analyzer-selftests.cc: New file. * analyzer-selftests.h: New file. * analyzer.opt: New file. * analysis-plan.cc: New file. * analysis-plan.h: New file. * analyzer-logging.cc: New file. * analyzer-logging.h: New file. * analyzer-pass.cc: New file. * analyzer.cc: New file. * analyzer.h: New file. * call-string.cc: New file. * call-string.h: New file. * checker-path.cc: New file. * checker-path.h: New file. * constraint-manager.cc: New file. * constraint-manager.h: New file. * diagnostic-manager.cc: New file. * diagnostic-manager.h: New file. * engine.cc: New file. * engine.h: New file. * exploded-graph.h: New file. * pending-diagnostic.cc: New file. * pending-diagnostic.h: New file. * program-point.cc: New file. * program-point.h: New file. * program-state.cc: New file. * program-state.h: New file. * region-model.cc: New file. * region-model.h: New file. * sm-file.cc: New file. * sm-malloc.cc: New file. * sm-malloc.dot: New file. * sm-pattern-test.cc: New file. * sm-sensitive.cc: New file. * sm-signal.cc: New file. * sm-taint.cc: New file. * sm.cc: New file. * sm.h: New file. * state-purge.cc: New file. * state-purge.h: New file. * supergraph.cc: New file. * supergraph.h: New file. gcc/testsuite/ChangeLog: * gcc.dg/analyzer/CVE-2005-1689-minimal.c: New test. * gcc.dg/analyzer/abort.c: New test. * gcc.dg/analyzer/alloca-leak.c: New test. * gcc.dg/analyzer/analyzer-decls.h: New header. * gcc.dg/analyzer/analyzer-verbosity-0.c: New test. * gcc.dg/analyzer/analyzer-verbosity-1.c: New test. * gcc.dg/analyzer/analyzer-verbosity-2.c: New test. * gcc.dg/analyzer/analyzer.exp: New suite. * gcc.dg/analyzer/attribute-nonnull.c: New test. * gcc.dg/analyzer/call-summaries-1.c: New test. * gcc.dg/analyzer/conditionals-2.c: New test. * gcc.dg/analyzer/conditionals-3.c: New test. * gcc.dg/analyzer/conditionals-notrans.c: New test. * gcc.dg/analyzer/conditionals-trans.c: New test. * gcc.dg/analyzer/data-model-1.c: New test. * gcc.dg/analyzer/data-model-2.c: New test. * gcc.dg/analyzer/data-model-3.c: New test. * gcc.dg/analyzer/data-model-4.c: New test. * gcc.dg/analyzer/data-model-5.c: New test. * gcc.dg/analyzer/data-model-5b.c: New test. * gcc.dg/analyzer/data-model-5c.c: New test. * gcc.dg/analyzer/data-model-5d.c: New test. * gcc.dg/analyzer/data-model-6.c: New test. * gcc.dg/analyzer/data-model-7.c: New test. * gcc.dg/analyzer/data-model-8.c: New test. * gcc.dg/analyzer/data-model-9.c: New test. * gcc.dg/analyzer/data-model-11.c: New test. * gcc.dg/analyzer/data-model-12.c: New test. * gcc.dg/analyzer/data-model-13.c: New test. * gcc.dg/analyzer/data-model-14.c: New test. * gcc.dg/analyzer/data-model-15.c: New test. * gcc.dg/analyzer/data-model-16.c: New test. * gcc.dg/analyzer/data-model-17.c: New test. * gcc.dg/analyzer/data-model-18.c: New test. * gcc.dg/analyzer/data-model-19.c: New test. * gcc.dg/analyzer/data-model-path-1.c: New test. * gcc.dg/analyzer/disabling.c: New test. * gcc.dg/analyzer/dot-output.c: New test. * gcc.dg/analyzer/double-free-lto-1-a.c: New test. * gcc.dg/analyzer/double-free-lto-1-b.c: New test. * gcc.dg/analyzer/double-free-lto-1.h: New header. * gcc.dg/analyzer/equivalence.c: New test. * gcc.dg/analyzer/explode-1.c: New test. * gcc.dg/analyzer/explode-2.c: New test. * gcc.dg/analyzer/factorial.c: New test. * gcc.dg/analyzer/fibonacci.c: New test. * gcc.dg/analyzer/fields.c: New test. * gcc.dg/analyzer/file-1.c: New test. * gcc.dg/analyzer/file-2.c: New test. * gcc.dg/analyzer/function-ptr-1.c: New test. * gcc.dg/analyzer/function-ptr-2.c: New test. * gcc.dg/analyzer/function-ptr-3.c: New test. * gcc.dg/analyzer/gzio-2.c: New test. * gcc.dg/analyzer/gzio-3.c: New test. * gcc.dg/analyzer/gzio-3a.c: New test. * gcc.dg/analyzer/gzio.c: New test. * gcc.dg/analyzer/infinite-recursion.c: New test. * gcc.dg/analyzer/loop-2.c: New test. * gcc.dg/analyzer/loop-2a.c: New test. * gcc.dg/analyzer/loop-3.c: New test. * gcc.dg/analyzer/loop-4.c: New test. * gcc.dg/analyzer/loop.c: New test. * gcc.dg/analyzer/malloc-1.c: New test. * gcc.dg/analyzer/malloc-2.c: New test. * gcc.dg/analyzer/malloc-3.c: New test. * gcc.dg/analyzer/malloc-callbacks.c: New test. * gcc.dg/analyzer/malloc-dce.c: New test. * gcc.dg/analyzer/malloc-dedupe-1.c: New test. * gcc.dg/analyzer/malloc-ipa-1.c: New test. * gcc.dg/analyzer/malloc-ipa-10.c: New test. * gcc.dg/analyzer/malloc-ipa-11.c: New test. * gcc.dg/analyzer/malloc-ipa-12.c: New test. * gcc.dg/analyzer/malloc-ipa-13.c: New test. * gcc.dg/analyzer/malloc-ipa-2.c: New test. * gcc.dg/analyzer/malloc-ipa-3.c: New test. * gcc.dg/analyzer/malloc-ipa-4.c: New test. * gcc.dg/analyzer/malloc-ipa-5.c: New test. * gcc.dg/analyzer/malloc-ipa-6.c: New test. * gcc.dg/analyzer/malloc-ipa-7.c: New test. * gcc.dg/analyzer/malloc-ipa-8-double-free.c: New test. * gcc.dg/analyzer/malloc-ipa-8-lto-a.c: New test. * gcc.dg/analyzer/malloc-ipa-8-lto-b.c: New test. * gcc.dg/analyzer/malloc-ipa-8-lto-c.c: New test. * gcc.dg/analyzer/malloc-ipa-8-lto.h: New test. * gcc.dg/analyzer/malloc-ipa-8-unchecked.c: New test. * gcc.dg/analyzer/malloc-ipa-9.c: New test. * gcc.dg/analyzer/malloc-macro-inline-events.c: New test. * gcc.dg/analyzer/malloc-macro-separate-events.c: New test. * gcc.dg/analyzer/malloc-macro.h: New header. * gcc.dg/analyzer/malloc-many-paths-1.c: New test. * gcc.dg/analyzer/malloc-many-paths-2.c: New test. * gcc.dg/analyzer/malloc-many-paths-3.c: New test. * gcc.dg/analyzer/malloc-paths-1.c: New test. * gcc.dg/analyzer/malloc-paths-10.c: New test. * gcc.dg/analyzer/malloc-paths-2.c: New test. * gcc.dg/analyzer/malloc-paths-3.c: New test. * gcc.dg/analyzer/malloc-paths-4.c: New test. * gcc.dg/analyzer/malloc-paths-5.c: New test. * gcc.dg/analyzer/malloc-paths-6.c: New test. * gcc.dg/analyzer/malloc-paths-7.c: New test. * gcc.dg/analyzer/malloc-paths-8.c: New test. * gcc.dg/analyzer/malloc-paths-9.c: New test. * gcc.dg/analyzer/malloc-vs-local-1a.c: New test. * gcc.dg/analyzer/malloc-vs-local-1b.c: New test. * gcc.dg/analyzer/malloc-vs-local-2.c: New test. * gcc.dg/analyzer/malloc-vs-local-3.c: New test. * gcc.dg/analyzer/malloc-vs-local-4.c: New test. * gcc.dg/analyzer/operations.c: New test. * gcc.dg/analyzer/params-2.c: New test. * gcc.dg/analyzer/params.c: New test. * gcc.dg/analyzer/paths-1.c: New test. * gcc.dg/analyzer/paths-1a.c: New test. * gcc.dg/analyzer/paths-2.c: New test. * gcc.dg/analyzer/paths-3.c: New test. * gcc.dg/analyzer/paths-4.c: New test. * gcc.dg/analyzer/paths-5.c: New test. * gcc.dg/analyzer/paths-6.c: New test. * gcc.dg/analyzer/paths-7.c: New test. * gcc.dg/analyzer/pattern-test-1.c: New test. * gcc.dg/analyzer/pattern-test-2.c: New test. * gcc.dg/analyzer/pointer-merging.c: New test. * gcc.dg/analyzer/pr61861.c: New test. * gcc.dg/analyzer/pragma-1.c: New test. * gcc.dg/analyzer/scope-1.c: New test. * gcc.dg/analyzer/sensitive-1.c: New test. * gcc.dg/analyzer/setjmp-1.c: New test. * gcc.dg/analyzer/setjmp-2.c: New test. * gcc.dg/analyzer/setjmp-3.c: New test. * gcc.dg/analyzer/setjmp-4.c: New test. * gcc.dg/analyzer/setjmp-5.c: New test. * gcc.dg/analyzer/setjmp-6.c: New test. * gcc.dg/analyzer/setjmp-7.c: New test. * gcc.dg/analyzer/setjmp-7a.c: New test. * gcc.dg/analyzer/setjmp-8.c: New test. * gcc.dg/analyzer/setjmp-9.c: New test. * gcc.dg/analyzer/signal-1.c: New test. * gcc.dg/analyzer/signal-2.c: New test. * gcc.dg/analyzer/signal-3.c: New test. * gcc.dg/analyzer/signal-4a.c: New test. * gcc.dg/analyzer/signal-4b.c: New test. * gcc.dg/analyzer/strcmp-1.c: New test. * gcc.dg/analyzer/switch.c: New test. * gcc.dg/analyzer/taint-1.c: New test. * gcc.dg/analyzer/zlib-1.c: New test. * gcc.dg/analyzer/zlib-2.c: New test. * gcc.dg/analyzer/zlib-3.c: New test. * gcc.dg/analyzer/zlib-4.c: New test. * gcc.dg/analyzer/zlib-5.c: New test. * gcc.dg/analyzer/zlib-6.c: New test. * lib/gcc-defs.exp (dg-check-dot): New procedure. * lib/target-supports.exp (check_dot_available): New procedure. (check_effective_target_analyzer): New. * lib/target-supports-dg.exp (dg-require-dot): New procedure. --- gcc/configure | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) (limited to 'gcc/configure') diff --git a/gcc/configure b/gcc/configure index 24d27d3e..490fe6a 100755 --- a/gcc/configure +++ b/gcc/configure @@ -958,6 +958,7 @@ enable_fixed_point enable_threads enable_tls enable_vtable_verify +enable_analyzer enable_objc_gc with_dwarf2 enable_shared @@ -1685,6 +1686,7 @@ Optional Features: --enable-tls enable or disable generation of tls code overriding the assembler check for tls support --enable-vtable-verify enable vtable verification feature + --disable-analyzer disable -fanalyzer static analyzer --enable-objc-gc enable the use of Boehm's garbage collector with the GNU Objective-C runtime --disable-shared don't provide a shared libgcc @@ -7703,6 +7705,23 @@ cat >>confdefs.h <<_ACEOF _ACEOF +# Check whether --enable-analyzer was given. +if test "${enable_analyzer+set}" = set; then : + enableval=$enable_analyzer; if test x$enable_analyzer = xno; then + analyzer=0 +else + analyzer=1 +fi +else + analyzer=1 +fi + + +cat >>confdefs.h <<_ACEOF +#define ENABLE_ANALYZER $analyzer +_ACEOF + + # Check whether --enable-objc-gc was given. if test "${enable_objc_gc+set}" = set; then : enableval=$enable_objc_gc; if test x$enable_objc_gc = xno; then @@ -18938,7 +18957,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18941 "configure" +#line 18960 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -19044,7 +19063,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 19047 "configure" +#line 19066 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -31960,7 +31979,7 @@ $as_echo "$as_me: executing $ac_file commands" >&6;} "depdir":C) $SHELL $ac_aux_dir/mkinstalldirs $DEPDIR ;; "gccdepdir":C) ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/mkinstalldirs build/$DEPDIR - for lang in $subdirs c-family common + for lang in $subdirs c-family common analyzer do ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/mkinstalldirs $lang/$DEPDIR done ;; -- cgit v1.1