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In last year's update (D48219) it was suggested that the release manager
might want to do this, so here we go.
llvm-svn: 351194
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Summary:
std::bad_array_length was added by n3467, but this never made it into C++.
This commit removes the definition of std::bad_array_length from the headers
AND from the shared library. See the comments in the ABI changelog for details
about the ABI implications of this change.
Reviewers: mclow.lists, dexonsmith, howard.hinnant, EricWF
Subscribers: christof, jkorous, libcxx-commits
Differential Revision: https://reviews.llvm.org/D54804
llvm-svn: 347903
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Summary:
This (very specialized) function was added to enable an LLDB use case.
Now that a more generic interface (overriding of parser functions -
D52992) is available, and LLDB has been converted to use that (D54074),
the function is unused and can be removed.
Reviewers: erik.pilkington, sgraenitz, rsmith
Subscribers: mgorny, hiraditya, christof, libcxx-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D54893
llvm-svn: 347670
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This is needed when cross-compiling for a different target since
CFLAGS may contain additional flags like -resource-dir which
change the location in which compiler-rt builtins are found.
Differential Revision: https://reviews.llvm.org/D54371
llvm-svn: 346820
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llvm-svn: 346607
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Summary:
This silences the two -Wimplicit-fallthrough warnings clang finds in
ItaniumDemangle.h in libc++abi.
Clang does not have a GNU attribute spelling for this attribute, so this
is necessary.
I will commit the same change to the LLVM demangler soon.
Reviewers: EricWF, ldionne
Subscribers: christof, erik.pilkington, cfe-commits
Differential Revision: https://reviews.llvm.org/D53985
llvm-svn: 345870
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Fuchsia already supports this interface.
Differential Revision: https://reviews.llvm.org/D53801
llvm-svn: 345534
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Summary:
This uses CRTP (for performance reasons) to allow a user the override
demangler functions to implement custom parsing logic. The motivation
for this is LLDB, which needs to occasionaly modify the mangled names.
One such instance is already implemented via the TypeCallback member,
but this is very specific functionality which does not help with any
other use case. Currently we have a use case for modifying the
constructor flavours, which would require adding another callback. This
approach does not scale.
With CRTP, the user (LLDB) can override any function it needs without
any special support from the demangler library. After LLDB is ported to
use this instead of the TypeCallback mechanism, the callback can be
removed.
More context can be found in D50599.
Reviewers: erik.pilkington, rsmith
Subscribers: christof, ldionne, llvm-commits, libcxx-commits
Differential Revision: https://reviews.llvm.org/D52992
llvm-svn: 344607
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llvm-svn: 344564
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This directory uses LLVM style.
llvm-svn: 344316
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llvm-svn: 344215
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llvm-svn: 344208
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Summary:
I copied the sanitizer-related logic in libcxx/lib/CMakeLists.txt. In
the future, it would be great to avoid duplicating this logic in the
compiler, libc++ and libc++abi.
Reviewers: EricWF
Subscribers: mgorny, christof, dexonsmith, libcxx-commits, davide
Differential Revision: https://reviews.llvm.org/D53028
llvm-svn: 344191
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llvm-svn: 344156
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https://reviews.llvm.org/D42242
llvm-svn: 344152
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Summary:
This was committed back in september (D51463), but it seems it never
made it into the libcxxabi copy.
The original commit message was:
The hash computed for an ArrayType was different when first constructed
versus when later profiled due to the constructor default argument, and
we were not tracking constructor / destructor variant as part of the
mangled name AST, leading to incorrect equivalences.
Reviewers: erik.pilkington, rsmith, EricWF
Subscribers: christof, ldionne, libcxx-commits
Differential Revision: https://reviews.llvm.org/D53063
llvm-svn: 344121
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The "dynamic_cast error 2" error can apparently happen when the same
type (with RTTI) is defined in more than one translation unit, and
those translation units are linked together. This is technically an
ODR violation, but making the error message more obvious is still
helpful.
llvm-svn: 344052
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llvm-svn: 342817
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This patch fixes a bug where exceptions in 32 bit builds
would be incorrectly aligned because malloc only provides 8 byte aligned
memory where 16 byte alignment is needed.
This patch makes libc++abi correctly use posix_memalign when it's
available. This requires defining _LIBCPP_BUILDING_LIBRARY so that
libc++ only defines _LIBCPP_HAS_NO_ALIGNED_ALLOCATION when libc doesn't
support it and not when aligned new/delete are disable for other
reasons.
This bug somehow made it into the 7.0 release, making it a regression.
Therefore this patch should be included in the next dot release.
llvm-svn: 342815
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Summary: Mark it as unused to avoid -Wunused-parameter.
Reviewers: EricWF, srhines, mstorsjo
Subscribers: christof, ldionne, libcxx-commits, cfe-commits
Differential Revision: https://reviews.llvm.org/D52368
llvm-svn: 342764
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llvm-svn: 342627
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Differential Revision: https://reviews.llvm.org/D52104
llvm-svn: 342331
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r340663 - Allow Allocator::make to make a node of a different type than that
requested.
r340664 - Add documentation comment to ForwardTemplateReference.
r340665 - Fix ExpandedSpecialSubstitution demangling for Sa and Sb.
r340670 - Allow demangler's node allocator to fail, and bail out of the entire
demangling process when it does.
llvm-svn: 340671
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Move Itanium demangler implementation into a header file and add visitation support.
Summary:
This transforms the Itanium demangler into a generic reusable library that can
be used to build, traverse, and transform Itanium mangled name trees.
This is in preparation for adding a canonicalizing demangler, which
cannot live in the Demangle library for layering reasons. In order to
keep the diffs simpler, this patch moves more code to the new header
than is strictly necessary: in particular, all of the printLeft /
printRight implementations can be moved to the implementation file.
(And indeed we could make them non-virtual now if we wished, and remove
the vptr from Node.)
All nodes are now included in the Kind enumeration, rather than omitting
some of the Expr nodes, and the three different floating-point literal
node types now have distinct Kind values.
As a proof of concept for the visitation / matching mechanism, this
patch implements a Node dumping facility on top of it, replacing the
prior mechanism that produced the pretty-printed output rather than a
tree dump. Sample dump output:
FunctionEncoding(
NameType("int"),
NameWithTemplateArgs(
NestedName(
NameWithTemplateArgs(
NameType("A"),
TemplateArgs(
{NameType("B")})),
NameType("f")),
TemplateArgs(
{NameType("int")})),
{},
<null>,
QualConst, FunctionRefQual::FrefQualLValue)
As a next step, it would make sense to move the LLVM high-level interface to
the demangler (the itaniumDemangler function and ItaniumPartialDemangler class)
into the Support library, and implement them in terms of the Demangle library.
This would allow the libc++abi demangler implementation to be an identical copy
of the llvm Demangle library, and would allow the LLVM implementation to reuse
LLVM components such as llvm::BumpPtrAllocator, but we'll need to decide how to
coordinate that with the MS ABI demangler, so I'm not doing that in this patch.
No functionality change intended other than the behavior of dump().
Reviewers: erik.pilkington, zturner, chandlerc, dlj
Subscribers: aheejin, llvm-commits
Differential Revision: https://reviews.llvm.org/D50930
llvm-svn: 340207
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(This is a port of llvm r339944 to libcxxabi.)
llvm-svn: 339952
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Check _LIBCXXABI_ARM_EHABI macro instead of libunwind version.
Fixes PR34182
Differential revision: https://reviews.llvm.org/D50170
llvm-svn: 339865
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This function calls a callback whenever a <type> is parsed.
This is necessary to implement FindAlternateFunctionManglings in LLDB, which
uses a similar hack in FastDemangle. Once that function has been updated to use
this version, FastDemangle can finally be removed.
Differential revision: https://reviews.llvm.org/D50586
llvm-svn: 339580
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This was missed in SVN r337754.
llvm-svn: 339503
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rdar://32378759
llvm-svn: 338747
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llvm-svn: 338564
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_LIBCPP_BUILDING_LIBRARY
Summary: As suggested by Marshall in https://reviews.llvm.org/D49914
Reviewers: mclow.lists, EricWF
Subscribers: christof, dexonsmith, cfe-commits
Differential Revision: https://reviews.llvm.org/D50008
llvm-svn: 338475
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Stack overflow on invalid. While collapsing references, we were skipping over a
cycle check in ForwardTemplateReference leading to a stack overflow. This commit
fixes the problem by duplicating the cycle check in ReferenceType.
llvm-svn: 338190
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llvm.org/PR38323
llvm-svn: 338138
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Summary:
rL337867 introduced two new cmake_dependent_option options:
- LIBCXXABI_INSTALL_STATIC_LIBRARY
- LIBCXXABI_INSTALL_SHARED_LIBRARY
They depend on LIBCXXABI_ENABLE_STATIC and LIBCXXABI_ENABLE_SHARED
and so therefore need to (it seems) come after the declaration of
these two options.
Subscribers: mgorny, aheejin, christof, ldionne, cfe-commits
Differential Revision: https://reviews.llvm.org/D49825
llvm-svn: 337982
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This was changed unintentionally in r335809.
Differential Revision: https://reviews.llvm.org/D49765
llvm-svn: 337937
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llvm-svn: 337906
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Currently it's only possible to control whether shared or static library
build of libc++, libc++abi and libunwind is enabled or disabled and
whether to install everything we've built or not. However, it'd be
useful to have more fine grained control, e.g. when static libraries are
merged together into libc++.a we don't need to install libc++abi.a and
libunwind.a. This change adds this option.
Differential Revision: https://reviews.llvm.org/D49573
llvm-svn: 337867
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static library"
This is a reland of commit r337668.
llvm-svn: 337814
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We really should set *status to memory_alloc_failure, but we need to refactor
the demangler a bit to properly propagate the failure up the stack. Until then,
its better to explicitly terminate then rely on a null dereference crash.
rdar://31240372
llvm-svn: 337759
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This allows handling SEH based exceptions, with unwind functions
provided by libgcc.
Differential Revision: https://reviews.llvm.org/D49638
llvm-svn: 337754
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static library"
This reverts commit r337668: broke the cxxabi build when using Make.
llvm-svn: 337670
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Currently it's possible to select whether to statically link unwinder
or the C++ ABI library, but this option applies to both the shared
and static library. However, in some scenarios it may be desirable to
only statically link unwinder and C++ ABI library into static C++
library since for shared C++ library we can rely on dynamic linking
and linker scripts. This change enables selectively enabling or
disabling statically linking only to shared or static library.
Differential Revision: https://reviews.llvm.org/D49502
llvm-svn: 337668
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llvm-svn: 337662
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ItaniumDemangle had a small NFC refactor to make some of its
code reusable by the newly added Microsoft demangler. To keep
the libcxxabi demangler as close as possible to the master copy
this refactor is being merged over.
Differential Revision: https://reviews.llvm.org/D49575
llvm-svn: 337582
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Do not use LLVM_RUNTIMES_LIBDIR_SUFFIX variable which is an internal
variable used by the runtimes build from individual runtimes, instead
set per-runtime librarhy directory suffix variable which is necessary
for the sanitized runtimes build to install libraries into correct
location.
Differential Revision: https://reviews.llvm.org/D49121
llvm-svn: 336713
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The alignment specified by a constant for the field
`BumpPointerAllocator::InitialBuffer` exceeded the alignment
guaranteed by `malloc` and `new` on Windows. This change set
the alignment value to that of `long double`, which is defined
by the used platform.
It fixes https://bugs.llvm.org/show_bug.cgi?id=37944.
Differential Revision: https://reviews.llvm.org/D48889
llvm-svn: 336312
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other on unqualified max_align_t.
I'll take another stab at this tomorrow. Any ideas for fixing this would be appreciated!
http://lab.llvm.org:8011/builders/lld-x86_64-darwin13/builds/23071/steps/build_Lld/logs/stdio
http://lab.llvm.org:8011/builders/clang-with-thin-lto-ubuntu/builds/11185/steps/build-stage1-compiler/logs/stdio
llvm-svn: 336162
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llvm-svn: 336159
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This should fix llvm.org/PR37944
llvm-svn: 336157
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vector is a generic C++ header, whereas __config is libc++-specific, so
we can look for it instead to guarantee we're finding a libc++
installation. This was suggested by Eric in https://reviews.llvm.org/D48694.
This is less important now that we're limiting the header search to the
specified directories (which definitely shouldn't have any other C++
library's headers anyway), but it shouldn't hurt either. There's a
chance some other library could also be providing a __config header, so
there's still a trade-off there. It would be ideal if we could check for
the presence of both __config and vector in the same directory, but
there doesn't seem to be any easy way to do that in CMake.
llvm-svn: 336034
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