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parameter.
2014-10-16 Yury Gribov <y.gribov@samsung.com>
Backport from mainline
2014-06-16 Yury Gribov <y.gribov@samsung.com>
* asan.c (check_func): New function.
(maybe_create_ssa_name): Likewise.
(build_check_stmt_with_calls): Likewise.
(use_calls_p): Likewise.
(report_error_func): Change interface.
(build_check_stmt): Allow non-integer lengths; add support
for new parameter.
(asan_instrument): Likewise.
(instrument_mem_region_access): Moved code to
build_check_stmt.
(instrument_derefs): Likewise.
(instrument_strlen_call): Likewise.
* cfgcleanup.c (old_insns_match_p): Add support for new
functions.
* doc/invoke.texi: Describe new parameter.
* params.def: Define new parameter.
* params.h: Likewise.
* sanitizer.def: Describe new builtins.
* c-c++-common/asan/instrument-with-calls-1.c: New test.
* c-c++-common/asan/instrument-with-calls-2.c: Likewise.
* c-c++-common/asan/no-redundant-instrumentation-1.c: Update
test patterns.
* c-c++-common/asan/no-redundant-instrumentation-2.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-4.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-5.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-6.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-7.c:
Likewise.
* c-c++-common/asan/no-redundant-instrumentation-8.c:
Likewise.
Backport from mainline
2014-06-16 Yury Gribov <y.gribov@samsung.com>
* asan.c (build_check_stmt): Fix maybe-uninitialized warning.
Backport from mainline
2014-06-18 Yury Gribov <y.gribov@samsung.com>
PR sanitizer/61530
* asan.c (build_check_stmt): Add condition.
* c-c++-common/asan/pr61530.c: New test.
Backport from mainline
2014-06-18 Yury Gribov <y.gribov@samsung.com>
PR sanitizer/61547
* asan.c (instrument_strlen_call): Fixed instrumentation of
trailing byte.
* c-c++-common/asan/strlen-overflow-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@216326 138bc75d-0d04-0410-961f-82ee72b054a4
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Backport from mainline
2014-05-30 Jakub Jelinek <jakub@redhat.com>
* sanitizer.def (BUILT_IN_ASAN_REPORT_LOAD_N,
BUILT_IN_ASAN_REPORT_STORE_N): New.
* asan.c (struct asan_mem_ref): Change access_size type to
HOST_WIDE_INT.
(asan_mem_ref_init, asan_mem_ref_new, get_mem_refs_of_builtin_call,
update_mem_ref_hash_table): Likewise.
(asan_mem_ref_hasher::hash): Hash in a HWI.
(report_error_func): Change size_in_bytes argument to HWI.
Use *_N builtins if size_in_bytes is larger than 16 or not power of
two.
(build_shadow_mem_access): New function.
(build_check_stmt): Use it. Change size_in_bytes argument to HWI.
Handle size_in_bytes not power of two or larger than 16.
(instrument_derefs): Don't give up if size_in_bytes is not
power of two or is larger than 16.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@216323 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206289 138bc75d-0d04-0410-961f-82ee72b054a4
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(ubsan_type_descriptor): Handle BOOLEAN_TYPE and ENUMERAL_TYPE
like INTEGER_TYPE.
(instrument_bool_enum_load): New function.
(ubsan_pass): Call it.
(gate_ubsan): Also enable for SANITIZE_BOOL or SANITIZE_ENUM.
* asan.c (create_cond_insert_point): No longer static.
* asan.h (create_cond_insert_point): Declare.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_LOAD_INVALID_VALUE): New
built-in.
* opts.c (common_handle_option): Handle -fsanitize=bool and
-fsanitize=enum.
* builtins.c (fold_builtin_memory_op): When sanitizing bool
and enum loads, don't use enum or bool types for memcpy folding.
* flag-types.h (SANITIZE_BOOL, SANITIZE_ENUM): New.
(SANITIZE_UNDEFINED): Or these in.
* c-c++-common/ubsan/load-bool-enum.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206143 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205684 138bc75d-0d04-0410-961f-82ee72b054a4
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unknown locations.
(ubsan_pass): Ignore clobber stmts.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_MISSING_RETURN): New built-in.
* opts.c (common_handle_option): Add -fsanitize=return.
* flag-types.h (enum sanitize_code): Add SANITIZE_RETURN and
or it into SANITIZE_UNDEFINED.
c-family/
* c-ubsan.h (ubsan_instrument_return): New prototype.
* c-ubsan.c (ubsan_instrument_return): New function.
cp/
* cp-gimplify.c: Include target.h and c-family/c-ubsan.h.
(cp_ubsan_maybe_instrument_return): New function.
(cp_genericize): Call it if -fsanitize=return.
testsuite/
* g++.dg/ubsan/return-1.C: New test.
* g++.dg/ubsan/return-2.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205283 138bc75d-0d04-0410-961f-82ee72b054a4
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BUILT_IN_ASAN_AFTER_DYNAMIC_INIT): New.
* asan.c (instrument_derefs): Handle also VAR_DECL loads/stores.
Don't instrument accesses to VAR_DECLs which are known to fit
into their bounds and the vars are known to have shadow bytes
indicating allowed access.
(asan_dynamic_init_call): New function.
(asan_add_global): If vnode->dynamically_initialized,
set __has_dynamic_init to 1 instead of 0.
(initialize_sanitizer_builtins): Add BT_FN_VOID_CONST_PTR var.
* asan.h (asan_dynamic_init_call): New prototype.
* cgraph.h (varpool_node): Add dynamically_initialized bitfield.
cp/
* decl2.c: Include asan.h.
(one_static_initialization_or_destruction): If -fsanitize=address,
init is non-NULL and guard is NULL, set
vnode->dynamically_initialized.
(do_static_initialization_or_destruction): Call
__asan_{before,after}_dynamic_init around the static initialization.
testsuite/
* c-c++-common/asan/no-redundant-instrumentation-1.c: Tweak to avoid
optimizing away some __asan_report* calls.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205282 138bc75d-0d04-0410-961f-82ee72b054a4
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* bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Add -ldl.
gcc/c-family/
* c-ubsan.c (ubsan_instrument_division): Adjust ubsan_create_data
call.
(ubsan_instrument_shift): Likewise.
(ubsan_instrument_vla): Likewise.
gcc/
* opts.c (common_handle_option): Add -fsanitize=null option.
Turn off -fdelete-null-pointer-checks option when doing the
NULL pointer checking.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH): Add.
* tree-pass.h (make_pass_ubsan): Declare.
(make_pass_sanopt): Declare.
* timevar.def (TV_TREE_UBSAN): New timevar.
* passes.def: Add pass_sanopt and pass_ubsan.
* ubsan.h (ubsan_null_ckind): New enum.
(ubsan_mismatch_data): New struct.
(ubsan_expand_null_ifn): Declare.
(ubsan_create_data): Adjust declaration.
(ubsan_type_descriptor): Likewise.
* asan.c: Include "ubsan.h".
(pass_data_sanopt): New pass.
(execute_sanopt): New function.
(gate_sanopt): Likewise.
(make_pass_sanopt): Likewise.
(class pass_sanopt): New class.
* ubsan.c: Include tree-pass.h, gimple-ssa.h, gimple-walk.h,
gimple-iterator.h and cfgloop.h.
(PROB_VERY_UNLIKELY): Define.
(tree_type_map_hash): New function.
(ubsan_type_descriptor): Add new parameter.
Improve type name generation.
(ubsan_create_data): Add new parameter. Add pointer data into
ubsan structure.
(ubsan_expand_null_ifn): New function.
(instrument_member_call): Likewise.
(instrument_mem_ref): Likewise.
(instrument_null): Likewise.
(ubsan_pass): Likewise.
(gate_ubsan): Likewise.
(make_pass_ubsan): Likewise.
(ubsan_instrument_unreachable): Adjust ubsan_create_data call.
(class pass_ubsan): New class.
(pass_data_ubsan): New pass.
* flag-types.h (enum sanitize_code): Add SANITIZE_NULL.
* internal-fn.c (expand_UBSAN_NULL): New function.
* cgraphunit.c (varpool_finalize_decl): Call varpool_assemble_decl
even when !flag_toplevel_reorder.
* internal-fn.def (UBSAN_NULL): New.
gcc/testsuite/
* c-c++-common/ubsan/null-1.c: New test.
* c-c++-common/ubsan/null-2.c: New test.
* c-c++-common/ubsan/null-3.c: New test.
* c-c++-common/ubsan/null-4.c: New test.
* c-c++-common/ubsan/null-5.c: New test.
* c-c++-common/ubsan/null-6.c: New test.
* c-c++-common/ubsan/null-7.c: New test.
* c-c++-common/ubsan/null-8.c: New test.
* c-c++-common/ubsan/null-9.c: New test.
* c-c++-common/ubsan/null-10.c: New test.
* c-c++-common/ubsan/null-11.c: New test.
* gcc.dg/ubsan/c99-shift-2.c: Adjust dg-output.
* c-c++-common/ubsan/shift-1.c: Likewise.
* c-c++-common/ubsan/div-by-zero-3.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205021 138bc75d-0d04-0410-961f-82ee72b054a4
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This may break gcc-asan on Mac, will follow up separately.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204368 138bc75d-0d04-0410-961f-82ee72b054a4
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* opts.c (common_handle_option): Handle vla-bound.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_VLA_BOUND_NOT_POSITIVE):
Define.
* flag-types.h (enum sanitize_code): Add SANITIZE_VLA.
* asan.c (initialize_sanitizer_builtins): Build BT_FN_VOID_PTR_PTR.
c-family/
* c-ubsan.c: Don't include hash-table.h.
(ubsan_instrument_vla): New function.
* c-ubsan.h: Declare it.
cp/
* decl.c (cp_finish_decl): Move C++1y bounds checking...
(compute_array_index_type): ...here. Add VLA instrumentation.
Call stabilize_vla_size.
(grokdeclarator): Don't call stabilize_vla_size here.
c/
* c-decl.c (grokdeclarator): Add VLA instrumentation.
testsuite/
* g++.dg/ubsan/cxx1y-vla.C: New test.
* c-c++-common/ubsan/vla-3.c: New test.
* c-c++-common/ubsan/vla-2.c: New test.
* c-c++-common/ubsan/vla-4.c: New test.
* c-c++-common/ubsan/vla-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204334 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202113 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196009 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195098 138bc75d-0d04-0410-961f-82ee72b054a4
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* builtin-attrs.def (ATTR_TMPURE_NOTHROW_LEAF_LIST,
ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST): New.
* asan.c (ATTR_TMPURE_NOTHROW_LEAF_LIST,
ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST): Define.
* sanitizer.def: Make __asan_report_* and __asan_handle_no_return
builtins tm pure.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194459 138bc75d-0d04-0410-961f-82ee72b054a4
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BUILT_IN_ASAN_REPORT* builtins.
* cfgcleanup.c (old_insns_match_p): Don't cross-jump __asan_report_*
builtins.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194391 138bc75d-0d04-0410-961f-82ee72b054a4
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* asan.c (instrument_builtin_call): Change is_gimple_builtin_call
gcc_assert to gcc_checking_assert.
(maybe_instrument_call): Imit __builtin___asan_handle_no_return ()
before noreturn calls other than __builtin_trap () and
__builtin_unreachable ().
* c-c++-common/asan/clone-test-1.c: Remove bogus dg-shouldfail.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194390 138bc75d-0d04-0410-961f-82ee72b054a4
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* Makefile.in (tsan.o): Depend on tree-ssa-propagate.h.
* sanitizer.def: Add __tsan_atomic* builtins.
* asan.c (initialize_sanitizer_builtins): Adjust to also
initialize __tsan_atomic* builtins.
* tsan.c: Include tree-ssa-propagate.h.
(enum tsan_atomic_action): New enum.
(tsan_atomic_table): New table.
(instrument_builtin_call): New function.
(instrument_gimple): Take pointer to gimple_stmt_iterator
instead of gimple_stmt_iterator. Call instrument_builtin_call
on builtin call stmts.
(instrument_memory_accesses): Adjust instrument_gimple caller.
* builtin-types.def (BT_FN_BOOL_VPTR_PTR_I1_INT_INT,
BT_FN_BOOL_VPTR_PTR_I2_INT_INT, BT_FN_BOOL_VPTR_PTR_I4_INT_INT,
BT_FN_BOOL_VPTR_PTR_I8_INT_INT, BT_FN_BOOL_VPTR_PTR_I16_INT_INT): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194133 138bc75d-0d04-0410-961f-82ee72b054a4
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Rename BUILT_IN_TSAN_READ_* to BUILT_IN_TSAN_READ* and
BUILT_IN_TSAN_WRITE_* to BUILT_IN_TSAN_WRITE*.
* Makefile.in (asan.o): Depend on langhooks.h.
(tsan.o): Depend on asan.h.
* asan.h (initialize_sanitizer_builtins): New prototype.
* asan.c: Include langhooks.h.
(report_error_func): Use builtin_decl_implicit of corresponding
BUILT_IN_ASAN_REPORT_{LOAD,STORE}*.
(asan_init_func): Removed.
(initialize_sanitizer_builtins): New function.
(asan_finish_file): Call it. Use builtin_decl_implicit
on BUILT_IN_ASAN_{INIT,{,UN}REGISTER_GLOBALS}.
(asan_instrument): Call initialize_sanitizer_builtins.
* builtins.def (DEF_SANITIZER_BUILTIN): Change condition to
(flag_asan || flag_tsan).
* tsan.c: Include asan.h and tsan.h.
(get_memory_access_decl): Rename BUILT_IN_TSAN_{READ,WRITE}_*
to BUILT_IN_TSAN_{READ,WRITE}*.
(tsan_pass): Call initialize_sanitizer_builtins.
(tsan_gate, tsan_gate_O0): Don't check if
builtin_decl_implicit_p (BUILT_IN_TSAN_INIT) is true.
(tsan_finish_file): Call initialize_sanitizer_builtins.
* builtin-types.def (BT_FN_VOID_PTR_PTRMODE): New fn type.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194103 138bc75d-0d04-0410-961f-82ee72b054a4
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Wei Mi <wmi@google.com>
* builtins.def (DEF_SANITIZER_BUILTIN): Define tsan builtins.
* sanitizer.def: Ditto.
* Makefile.in (tsan.o): Add tsan.o target.
(BUILTINS_DEF): Add sanitizer.def.
* passes.c (init_optimization_passes): Add tsan passes.
* tree-pass.h (register_pass_info): Ditto.
* toplev.c (compile_file): Ditto.
* doc/invoke.texi: Document tsan related options.
* gcc.c (LINK_COMMAND_SPEC): Add LIBTSAN_SPEC in link command if
-fsanitize=thread.
* tsan.c: New file about tsan.
* tsan.h: Ditto.
* common.opt: Add -fsanitize=thread.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193736 138bc75d-0d04-0410-961f-82ee72b054a4
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