Commit Graph

14 Commits

Author SHA1 Message Date
Evgeniy Stepanov f074b3c2de [asan] Allow changing verbosity in activation flags.
This change removes some debug output in asan_flags.cc that
was reading the verbosity level before all the flags were parsed.

llvm-svn: 226566
2015-01-20 13:21:20 +00:00
Evgeniy Stepanov f294d5b829 [sanitizer] Flag parser rewrite.
The new parser is a lot stricter about syntax, reports unrecognized
flags, and will make it easier to implemented some of the planned features.

llvm-svn: 226169
2015-01-15 15:13:43 +00:00
Alexey Samsonov 03499e920b [Sanitizer] Change the runtime flag representation.
This mirrors r225239 to all the rest sanitizers:
ASan, DFSan, LSan, MSan, TSan, UBSan.

Now the runtime flag type, name, default value and
description is located in the single place in the
.inc file.

llvm-svn: 225327
2015-01-07 00:38:00 +00:00
Alexey Samsonov c426c337ed Revert "Revert r224736: "[Sanitizer] Make CommonFlags immutable after initialization.""
Fix test failures by introducing CommonFlags::CopyFrom() to make sure
compiler doesn't insert memcpy() calls into runtime code.

Original commit message:
Protect CommonFlags singleton by adding const qualifier to
common_flags() accessor. The only ways to modify the flags are
SetCommonFlagsDefaults(), ParseCommonFlagsFromString() and
OverrideCommonFlags() functions, which are only supposed to be
called during initialization.

llvm-svn: 225088
2015-01-02 21:28:37 +00:00
Chandler Carruth 6173e869eb Revert r224736: "[Sanitizer] Make CommonFlags immutable after initialization."
We've got some internal users that either aren't compatible with this or
have found a bug with it. Either way, this is an isolated cleanup and so
I'm reverting it to un-block folks while we investigate. Alexey and
I will be working on fixing everything up so this can be re-committed
soon. Sorry for the noise and any inconvenience.

llvm-svn: 225079
2015-01-02 09:59:38 +00:00
Alexey Samsonov b430f6e17a [Sanitizer] Make CommonFlags immutable after initialization.
Summary:
Protect CommonFlags singleton by adding const qualifier to
common_flags() accessor. The only ways to modify the flags are
SetCommonFlagsDefaults(), ParseCommonFlagsFromString() and
OverrideCommonFlags() functions, which are only supposed to be
called during initialization.

Test Plan: regression test suite

Reviewers: kcc, eugenis, glider

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6741

llvm-svn: 224736
2014-12-22 21:46:10 +00:00
Alexey Samsonov 2f8c8d59b2 [Sanitizer] Refactor CommonFlags interface. NFC.
Add CommonFlags::SetDefaults() and CommonFlags::ParseFromString(),
so that this object can be easily tested. Enforce
that ParseCommonFlagsFromString() and SetCommonFlagsDefaults()
work only with singleton CommonFlags, shared across all sanitizer
runtimes.

llvm-svn: 224617
2014-12-19 21:40:04 +00:00
Alexey Samsonov 25c2224922 [UBSan] Introduce more flexible __ubsan_default_options function instead of UBSAN_DEFAULT_OPTIONS compile definition
llvm-svn: 218137
2014-09-19 18:54:52 +00:00
Alexey Samsonov 74f07ed7fe Revert r217616. Problems and complexity it introduces negate its benefit
llvm-svn: 217652
2014-09-12 01:26:57 +00:00
Alexey Samsonov 5d2c0dfe4c [UBSan] Parse common flags from UBSAN_OPTIONS runtime variable even if
UBSan is combined with ASan.

llvm-svn: 217616
2014-09-11 18:20:11 +00:00
Alexey Samsonov b69d5dffc3 [UBSan] Add halt_on_error runtime flag
llvm-svn: 217535
2014-09-10 19:35:31 +00:00
Alexey Samsonov 64a5f0fa1a [UBSan] Allow to override runtime flags defaults by providing
compile definition UBSAN_DEFAULT_OPTIONS when building the runtime.
This mirrors similar ASan functionality.

llvm-svn: 214259
2014-07-30 00:01:41 +00:00
Alexey Samsonov 6ae5bac794 [UBSan] Move all runtime flags parsing to ubsan_flags.cc.
No functionality change.

llvm-svn: 214258
2014-07-29 23:49:20 +00:00
Alexey Samsonov bfa711c8b0 [UBSan] Add the ability to dump call stacks to -fsanitize=vptr
This change introduces the first UBSan-specific runtime flag: print_stacktrace
(off by default). It can be set in UBSAN_OPTIONS to unwind and print call stacks
in addition to diagnostic messages. For now these stacks are printed only
in vptr checker.

This change is based on http://reviews.llvm.org/D4410 by Byoungyoung Lee!

llvm-svn: 213783
2014-07-23 18:44:54 +00:00