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| author | Yury Gribov <y.gribov@samsung.com> | 2014-06-16 08:43:47 +0000 |
|---|---|---|
| committer | Yury Gribov <ygribov@gcc.gnu.org> | 2014-06-16 08:43:47 +0000 |
| commit | 8946c29ea82657cb45e26209c839623294009bde (patch) | |
| tree | 12171e966089acbfa2ba25f2dad65f1ce1ae09e5 /gcc/doc | |
| parent | 5d5cb4d4c12b658375e64c9854b87fb3c3870d36 (diff) | |
| download | gcc-8946c29ea82657cb45e26209c839623294009bde.zip gcc-8946c29ea82657cb45e26209c839623294009bde.tar.gz gcc-8946c29ea82657cb45e26209c839623294009bde.tar.bz2 | |
New asan-instrumentation-with-call-threshold parameter.
2014-06-16 Yury Gribov <y.gribov@samsung.com>
New asan-instrumentation-with-call-threshold parameter.
gcc/
* 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.
gcc/testsuite/
* 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/instrument-with-calls-3.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.
From-SVN: r211699
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 3c02341..9a34f1c 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -10244,6 +10244,12 @@ is enabled by default when using @option{-fsanitize=address} option. To disable use-after-return detection use @option{--param asan-use-after-return=0}. +@item asan-instrumentation-with-call-threshold +Once number of memory accesses in function becomes greater +or equal than this number, use callbacks instead of +generating inline code. E.g. to disable inline code use +@option{--param asan-instrumentation-with-call-threshold=0}. + @end table @end table |