to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
On Darwin, we currently use forkpty to communicate with the "atos" symbolizer. There are several problems that fork or forkpty has, e.g. that after fork, interceptors are still active and this sometimes causes crashes or hangs. This is especially problematic for TSan, which uses interceptors for OS-provided locks and mutexes, and even Libc functions use those.
This patch replaces forkpty with posix_spawn. Since posix_spawn doesn't fork (at least on Darwin), the interceptors are not a problem. Additionally, this also fixes a latent threading problem with ptsname (it's unsafe to use this function in multithreaded programs). Yet another benefit is that we'll handle post-fork failures (e.g. sandbox disallows "exec") gracefully now.
Differential Revision: https://reviews.llvm.org/D40032
llvm-svn: 324846
Summary:
This is a pure refactoring change. It just moves code that is
related to filesystem operations from sanitizer_common.{cc,h} to
sanitizer_file.{cc,h}. This makes it cleaner to disable the
filesystem-related code for a new port that doesn't want it.
Submitted on behalf of Roland McGrath.
Reviewers: kcc, eugenis, alekseyshl
Reviewed By: alekseyshl
Subscribers: vitalybuka, llvm-commits, kubamracek, mgorny, phosek
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D35591
llvm-svn: 308819
This is a pure refactoring change. It just moves code that is
related to filesystem operations from sanitizer_common.{cc,h} to
sanitizer_file.{cc,h}. This makes it cleaner to disable the
filesystem-related code for a new port that doesn't want it.
Commiting for mcgrathr.
Reviewers: alekseyshl
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D35591
llvm-svn: 308640
This patch starts passing architecture information about a module to llvm-symbolizer and into text reports. This fixes the longstanding x86_64/x86_64h mismatch issue on Darwin.
Differential Revision: https://reviews.llvm.org/D27390
llvm-svn: 291287
Add support for Swift names when symbolicating sanitizer traces. This is
now relevant since TSan and ASan support have been added to Swift on OS X.
Differential Revision: http://reviews.llvm.org/D19135
llvm-svn: 266494
Summary:
llvm-symbolizer understands both PDBs and DWARF, so it's a better bet if
it's available. It prints out the function parameter types and column
numbers, so I needed to churn the expected test output a bit.
This makes most of the llvm-symbolizer subprocessing code
target-independent. Pipes on all platforms use fd_t, and we can use the
portable ReadFromFile / WriteToFile wrappers in symbolizer_sanitizer.cc.
Only the pipe creation and process spawning is Windows-specific.
Please check that the libcdep layering is still correct. I don't know
how to reproduce the build configuration that relies on that.
Reviewers: samsonov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D11791
llvm-svn: 244616
On OS X, dladdr() provides mangled names only, so we need need to demangle in
DlAddrSymbolizer::SymbolizePC.
Reviewed at http://reviews.llvm.org/D8291
llvm-svn: 232910
They are currently still *not* used, "llvm-symbolizer" is still the default symbolizer on OS X.
Reviewed at http://reviews.llvm.org/D6588
llvm-svn: 232026
Chandler Carruth