Commit Graph

10 Commits

Author SHA1 Message Date
Kamil Rytarowski 271018d216 [Sanitizers] Basic sanitizer Solaris support (PR 33274)
Summary:
This is the first mostly working version of the Sanitizer port to 32-bit Solaris/x86.
It is currently based on Solaris 11.4 Beta.

This part was initially developed inside libsanitizer in the GCC tree and should apply to
both.  Subsequent parts will address changes to clang, the compiler-rt build system
and testsuite.

I'm not yet sure what the right patch granularity is: if it's profitable to split the patch
up, I'd like to get guidance on how to do so.

Most of the changes are probably straightforward with a few exceptions:

* The Solaris syscall interface isn't stable, undocumented and can change within an
  OS release.  The stable interface is the libc interface, which I'm using here, if possible
  using the internal _-prefixed names.

* While the patch primarily target 32-bit x86, I've left a few sparc changes in.  They
  cannot currently be used with clang due to a backend limitation, but have worked
  fine inside the gcc tree.

* Some functions (e.g. largefile versions of functions like open64) only exist in 32-bit
  Solaris, so I've introduced a separate SANITIZER_SOLARIS32 to check for that.

The patch (with the subsequent ones to be submitted shortly) was tested
on i386-pc-solaris2.11.  Only a few failures remain, some of them analyzed, some
still TBD:

    AddressSanitizer-i386-sunos :: TestCases/Posix/concurrent_overflow.cc
    AddressSanitizer-i386-sunos :: TestCases/init-order-atexit.cc
    AddressSanitizer-i386-sunos :: TestCases/log-path_test.cc
    AddressSanitizer-i386-sunos :: TestCases/malloc-no-intercept.c
    AddressSanitizer-i386-sunos-dynamic :: TestCases/Posix/concurrent_overflow.cc
    AddressSanitizer-i386-sunos-dynamic :: TestCases/Posix/start-deactivated.cc
    AddressSanitizer-i386-sunos-dynamic :: TestCases/default_options.cc
    AddressSanitizer-i386-sunos-dynamic :: TestCases/init-order-atexit.cc
    AddressSanitizer-i386-sunos-dynamic :: TestCases/log-path_test.cc
    AddressSanitizer-i386-sunos-dynamic :: TestCases/malloc-no-intercept.c

   SanitizerCommon-Unit :: ./Sanitizer-i386-Test/MemoryMappingLayout.DumpListOfModules
    SanitizerCommon-Unit :: ./Sanitizer-i386-Test/SanitizerCommon.PthreadDestructorIterations

Maybe this is good enough the get the ball rolling.

Reviewers: kcc, alekseyshl

Reviewed By: alekseyshl

Subscribers: srhines, jyknight, kubamracek, krytarowski, fedor.sergeev, llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D40898

llvm-svn: 320740
2017-12-14 20:14:29 +00:00
Kamil Rytarowski c9bcc8dc9d Enable ubsan on NetBSD
Summary:
Part of the code inspired by the original work on libsanitizer in GCC 5.4 by Christos Zoulas.

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, vitalybuka, kcc, filcab, fjricci

Reviewed By: fjricci

Subscribers: srhines, kubamracek, mgorny, llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D36483

llvm-svn: 310412
2017-08-08 20:49:20 +00:00
Vitaly Buka 6886061dab [ubsan] Enable UBSan build for Fuchsia
Submitted on behalf of Roland McGrath.

Reviewers: vitalybuka, alekseyshl, kcc

Reviewed By: vitalybuka

Subscribers: srhines, kubamracek, mgorny, phosek, filcab, llvm-commits

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D36033

llvm-svn: 309742
2017-08-01 20:48:36 +00:00
Marcin Koscielnicki b5e4804aee [sanitizer] [SystemZ] Enable UBSan.
sanitizer_common is now in good enough shape on s390x to support UBSan
- all tests passing.  Let's enable it.

Differential Revision: http://reviews.llvm.org/D19157

llvm-svn: 266483
2016-04-15 22:25:04 +00:00
Peter Collingbourne d3b9917d85 Re-apply r241217 with build fixes:
- Disable building of the interceptor library on 64-bit Windows.
- Mangle names in /alternatename directive for 32-bit Windows.

llvm-svn: 241224
2015-07-02 01:44:34 +00:00
Nico Weber 41acb31623 Revert r241217, it breaks the build on Windows.
llvm-svn: 241219
2015-07-02 01:10:03 +00:00
Peter Collingbourne 191116f3eb ubsan: Port runtime library to (32- and 64-bit) Windows.
Differential Revision: http://reviews.llvm.org/D10856

llvm-svn: 241217
2015-07-02 00:35:47 +00:00
Alexey Samsonov 09dce3b7e5 [UBSan] Embed UBSan into ASan runtime (compiler-rt part).
Summary:
Change the way we use ASan and UBSan together. Instead of keeping two
separate runtimes (libclang_rt.asan and libclang_rt.ubsan), embed UBSan
into ASan and get rid of libclang_rt.ubsan. If UBSan is not supported on
a platform, all UBSan sources are just compiled into dummy empty object
files. UBSan initialization code (e.g. flag parsing) is directly called
from ASan initialization, so we are able to enforce correct
initialization order.

This mirrors the approach we already use for ASan+LSan. This change
doesn't modify the way we use standalone UBSan.

Test Plan: regression test suite

Reviewers: kubabrecka, zaks.anna, rsmith, kcc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8646

llvm-svn: 233861
2015-04-01 22:42:36 +00:00
Bill Seurer 4c41366510 [PPC64]This activates UBSan for the power architecture.
One test case is updated to allow for differences between power and other architectures in behavior when returning from main in certain instances

http://reviews.llvm.org/D8743

llvm-svn: 233813
2015-04-01 15:33:22 +00:00
Alexey Samsonov 0781e98cc7 [UBSan] Explicitly list all supported OS/arch pairs supported by UBSan.
llvm-svn: 233295
2015-03-26 17:26:04 +00:00