Commit Graph

24 Commits

Author SHA1 Message Date
Kostya Serebryany
95e3cf44a9 [asan] unpoison the stack before every noreturn call. Fixes asan issue 37. llvm part
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-08 21:36:17 +00:00
Craig Topper
858143816d Convert assert(0) to llvm_unreachable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149967 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07 05:05:23 +00:00
Chris Lattner
18c7f80b3e reapply the patches reverted in r149470 that reenable ConstantDataArray,
but with a critical fix to the SelectionDAG code that optimizes copies
from strings into immediate stores: the previous code was stopping reading
string data at the first nul.  Address this by adding a new argument to
llvm::getConstantStringInfo, preserving the behavior before the patch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05 02:29:43 +00:00
Argyrios Kyrtzidis
91766fe066 Revert Chris' commits up to r149348 that started causing VMCoreTests unit test to fail.
These are:

r149348
r149351
r149352
r149354
r149356
r149357
r149361
r149362
r149364
r149365

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149470 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01 04:51:17 +00:00
Chris Lattner
6a89228fac eliminate the "string" form of ConstantArray::get, using
ConstantDataArray::getString instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149365 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31 06:18:43 +00:00
Kostya Serebryany
a1a8a323f4 [asan] fix the ObjC support (asan Issue #33)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149300 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-30 23:50:10 +00:00
Alexander Potapenko
8375bc9236 Fix compilation of ASan tests on OS X Lion (see http://code.google.com/p/address-sanitizer/issues/detail?id=32)
The redzones emitted by AddressSanitizer for CFString instances confuse the linker and are of little use, so we shouldn't add them. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-30 10:40:22 +00:00
Kostya Serebryany
f1639abf1a [asan] correctly use ConstantExpr::getGetElementPtr. Catch by NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28 04:27:16 +00:00
Kostya Serebryany
0307b9a885 [asan] enable asan only for the functions that have Attribute::AddressSafety
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24 19:34:43 +00:00
Alexander Potapenko
2587804203 Implemented AddressSanitizer::getPassName()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148697 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23 11:22:43 +00:00
Kostya Serebryany
bcb55ce386 [asan] extend the workaround for http://llvm.org/bugs/show_bug.cgi?id=11395: don't instrument the function at all on x86_32 if it has a large asm blob
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147953 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11 18:15:23 +00:00
Kostya Serebryany
3c7faae346 [asan] cleanup: remove the SIGILL-related code (compiler part)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147667 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06 18:09:21 +00:00
Kostya Serebryany
a4b2b1d8fb [asan] add the name of the module to the description of a global variable. This improves the readability of global-buffer-overflow reports.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146698 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-15 22:55:55 +00:00
Kostya Serebryany
7bcfc9950b [asan] fix a bug (issue 19) where dlclose and the following mmap caused a false positive. compiler part.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146688 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-15 21:59:03 +00:00
Kostya Serebryany
bd7910d158 [asan] remove .preinit_array from the compiler module (it breaks .so builds). This should be done in the run-time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146527 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-14 00:01:51 +00:00
Kostya Serebryany
085cb8f0b9 [asan] report an error if blacklist file contains a malformed regex. fixes asan issue 17
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 19:34:53 +00:00
Kostya Serebryany
9b02741d22 [asan] use .preinit_array only on linux
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146379 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 18:01:46 +00:00
Kostya Serebryany
25a8b809a0 [asan] call __asan_init from .preinit_array. This simplifies __asan_init vs malloc chicken-and-egg situation on Android and probably on other flavours of Linux. Patch by eugenis@google.com.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-09 22:09:32 +00:00
Kostya Serebryany
cc1d856d8e [asan] two minor fixes: use UnreachableInst after the neverreturn function call; use report_fatal_error when blacklist file can not be found
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145611 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01 18:54:53 +00:00
Kostya Serebryany
d2703dec27 [asan] do not instrument threadlocal globals, this is buggy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145092 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23 02:10:54 +00:00
Kostya Serebryany
5a3a9c9371 [asan] workaround for reg alloc bug 11395: don't instrument functions with large chunks of inline assembler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144962 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18 01:41:06 +00:00
Kostya Serebryany
2e7fb2f736 quick fix: remove GlobalVariable::GlobalVariable mistakenly commited at r144933. For some reason this compiles on linux
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17 23:37:53 +00:00
Kostya Serebryany
7cf2a04361 fall back to explicit list of allowed linkages when instrumenting globals in asan; add a test check that asan does not touch linkonce_odr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144933 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17 23:14:59 +00:00
Kostya Serebryany
800e03f598 AddressSanitizer, first commit (compiler module only)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144758 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16 01:35:23 +00:00