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| author | Martin Liska <mliska@suse.cz> | 2016-09-30 10:24:47 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2016-09-30 08:24:47 +0000 |
| commit | c9ff08a76360616f61398b991315a8f5c23958ce (patch) | |
| tree | 4bae47c82bd01c0f880f335597c4602071276b51 | |
| parent | 68ad1df5f5cd80b15c5015bb86230bf2c5b2bc3e (diff) | |
| download | gcc-c9ff08a76360616f61398b991315a8f5c23958ce.zip gcc-c9ff08a76360616f61398b991315a8f5c23958ce.tar.gz gcc-c9ff08a76360616f61398b991315a8f5c23958ce.tar.bz2 | |
Enhance documentation of asan-use-after-return param.
* doc/invoke.texi: Document asan-use-after-return that
it's disabled by default in runtime.
From-SVN: r240648
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 25129cb..9be02e1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-09-30 Martin Liska <mliska@suse.cz> + + * doc/invoke.texi: Document asan-use-after-return that + it's disabled by default in runtime. + 2016-09-30 Richard Biener <rguenther@suse.de> * tree-vrp.c (intersect_ranges): If we failed to handle diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 8a84e4f..0121560 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -10034,6 +10034,10 @@ is enabled by default when using @option{-fsanitize=address} option. To disable use-after-return detection use @option{--param asan-use-after-return=0}. +Note: The check is disabled by default at runtime. To enable the check, +you should set environment variable @env{ASAN_OPTIONS} to +@code{detect_stack_use_after_return=1}. + @item asan-instrumentation-with-call-threshold If number of memory accesses in function being instrumented is greater or equal to this number, use callbacks instead of inline checks. |