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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
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llvm-svn: 351217
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Summary:
This patch (on top of https://reviews.llvm.org/D35755) provides the clang side necessary
to enable the Solaris port of the sanitizers implemented by https://reviews.llvm.org/D40898,
https://reviews.llvm.org/D40899, and https://reviews.llvm.org/D40900).
A few features of note:
* While compiler-rt cmake/base-config-ix.cmake (COMPILER_RT_OS_DIR) places
the runtime libs in a tolower(CMAKE_SYSTEM_NAME) directory, clang defaults to
the OS part of the target triplet (solaris2.11 in the case at hand). The patch makes
them agree on compiler-rt's idea.
* While Solaris ld accepts a considerable number of GNU ld options for compatibility,
it only does so for the double-dash forms. clang unfortunately is inconsistent here
and sometimes uses the double-dash form, sometimes the single-dash one that
confuses the hell out of Solaris ld. I've changed the affected places to use the double-dash
form that should always work.
* As described in https://reviews.llvm.org/D40899, Solaris ld doesn't create the
__start___sancov_guards/__stop___sancov_guards labels gld/gold/lld do, so I'm
including additional runtime libs into the link that provide them.
* One test uses -fstack-protector, but unlike other systems libssp hasn't been folded
into Solaris libc, but needs to be linked with separately.
* For now, only 32-bit x86 asan is enabled on Solaris. 64-bit x86 should follow, but
sparc (which requires additional compiler-rt changes not yet submitted) fails miserably
due to a llvmsparc backend limitation:
fatal error: error in backend: Function "_ZN7testing8internal16BoolFromGTestEnvEPKcb": over-aligned dynamic alloca not supported.
However, inside the gcc tree, Solaris/sparc asan works almost as well as x86.
Reviewers: rsmith, alekseyshl
Reviewed By: alekseyshl
Subscribers: jyknight, fedor.sergeev, cfe-commits
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40903
llvm-svn: 324296
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Summary:
General idea is to utilize generic (mostly Generic_GCC) code
and get rid of Solaris-specific handling as much as possible.
In particular:
- scanLibDirForGCCTripleSolaris was removed, relying on generic
CollectLibDirsAndTriples
- findBiarchMultilibs is now properly utilized to switch between
m32 and m64 include & lib paths on Solaris
- C system include handling copied from Linux (bar multilib hacks)
Fixes PR24606.
Reviewers: dlj, rafael, jyknight, theraven, tstellar
Reviewed By: jyknight
Subscribers: aaron.ballman, mgorny, krytarowski, ro, joerg, cfe-commits
Differential Revision: https://reviews.llvm.org/D35755
llvm-svn: 323193
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Patch by Fedor Sergeev
llvm-svn: 308038
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Summary:
(This is a move-only refactoring patch. There are no functionality changes.)
This patch splits apart the Clang driver's tool and toolchain implementation
files. Each target platform toolchain is moved to its own file, along with the
closest-related tools. Each target platform toolchain has separate headers and
implementation files, so the hierarchy of classes is unchanged.
There are some remaining shared free functions, mostly from Tools.cpp. Several
of these move to their own architecture-specific files, similar to r296056. Some
of them are only used by a single target platform; since the tools and
toolchains are now together, some helpers now live in a platform-specific file.
The balance are helpers related to manipulating argument lists, so they are now
in a new file pair, CommonArgs.h and .cpp.
I've tried to cluster the code logically, which is fairly straightforward for
most of the target platforms and shared architectures. I think I've made
reasonable choices for these, as well as the various shared helpers; but of
course, I'm happy to hear feedback in the review.
There are some particular things I don't like about this patch, but haven't been
able to find a better overall solution. The first is the proliferation of files:
there are several files that are tiny because the toolchain is not very
different from its base (usually the Gnu tools/toolchain). I think this is
mostly a reflection of the true complexity, though, so it may not be "fixable"
in any reasonable sense. The second thing I don't like are the includes like
"../Something.h". I've avoided this largely by clustering into the current file
structure. However, a few of these includes remain, and in those cases it
doesn't make sense to me to sink an existing file any deeper.
Reviewers: rsmith, mehdi_amini, compnerd, rnk, javed.absar
Subscribers: emaste, jfb, danalbert, srhines, dschuff, jyknight, nemanjai, nhaehnle, mgorny, cfe-commits
Differential Revision: https://reviews.llvm.org/D30372
llvm-svn: 297250
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