intel/llvm
1
0
Fork 0
mirror of https://github.com/intel/llvm.git synced 2026-01-12 10:17:28 +08:00
Code Issues Packages Projects Releases Wiki Activity

[libc++] Allows any types of size 4 and 8 to use native platform ulock_wait (#161086)

Browse Source 
This is to address #146145

The issue before was that, for `std::atomic::wait/notify`, we only
support `uint64_t` to go through the native `ulock_wait` directly. Any
other types will go through the global contention table's `atomic`,
increasing the chances of spurious wakeup. This PR tries to allow any
types that are of size 4 or 8 to directly go to the `ulock_wait`.

This PR is just proof of concept. If we like this idea, I can go further
to update the Linux/FreeBSD branch and add ABI macros so the existing
behaviours are reserved under the stable ABI

Here are some benchmark results

```
Benchmark                                                               Time             CPU      Time Old      Time New       CPU Old       CPU New
----------------------------------------------------------------------------------------------------------------------------------------------------
BM_stop_token_single_thread_reg_unreg_callback/1024                  -0.1113         -0.1165         51519         45785         51397         45408
BM_stop_token_single_thread_reg_unreg_callback/4096                  -0.2727         -0.1447        249685        181608        211865        181203
BM_stop_token_single_thread_reg_unreg_callback/65536                 -0.1241         -0.1237       3308930       2898396       3300986       2892608
BM_stop_token_single_thread_reg_unreg_callback/262144                +0.0335         -0.1920      13237682      13681632      13208849      10673254
OVERALL_GEOMEAN                                                      -0.1254         -0.1447             0             0             0             0
```

```
Benchmark                                                                                    Time             CPU      Time Old      Time New       CPU Old       CPU New
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<0>>/65536                 -0.3344         -0.2424       5960741       3967212       5232250       3964085
BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<0>>/131072                -0.1474         -0.1475       9144356       7796745       9137547       7790193
BM_1_atomic_1_waiter_1_notifier<KeepNotifying, NumHighPrioTasks<0>>/262144                -0.1336         -0.1340      18333441      15883805      18323711      15868500
OVERALL_GEOMEAN                                                                           -0.2107         -0.1761             0             0             0             0
```

```
Benchmark                                                                                                             Time             CPU      Time Old      Time New       CPU Old       CPU New
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<2>, NumHighPrioTasks<0>>/16384                +0.2321         -0.0081        836618       1030772        833197        826476
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<2>, NumHighPrioTasks<0>>/32768                -0.3034         -0.1329       2182721       1520569       1747211       1515028
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<2>, NumHighPrioTasks<0>>/65536                -0.0924         -0.0924       3389098       3075897       3378486       3066448
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<8>, NumHighPrioTasks<0>>/4096                 +0.0464         +0.0474        664233        695080        657736        688892
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<8>, NumHighPrioTasks<0>>/8192                 -0.0279         -0.0267       1336041       1298794       1324270       1288953
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<8>, NumHighPrioTasks<0>>/16384                +0.0270         +0.0304       2543004       2611786       2517471       2593975
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<32>, NumHighPrioTasks<0>>/1024                +0.0423         +0.0941        473621        493657        325604        356245
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<32>, NumHighPrioTasks<0>>/2048                +0.0420         +0.0675        906266        944349        636253        679169
BM_1_atomic_multi_waiter_1_notifier<KeepNotifying, NumWaitingThreads<32>, NumHighPrioTasks<0>>/4096                +0.0359         +0.0378       1761584       1824783       1015092       1053439
OVERALL_GEOMEAN                                                                                                    -0.0097         -0.0007             0             0             0             0
```

```
Benchmark                                                                                                        Time             CPU      Time Old      Time New       CPU Old       CPU New
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<0>>/4096                 -0.0990         -0.1001        371100        334370        369984        332955
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<0>>/8192                 -0.0305         -0.0314        698228        676908        696418        674585
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<2>, NumHighPrioTasks<0>>/16384                -0.0258         -0.0268       1383530       1347894       1380665       1343680
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<8>, NumHighPrioTasks<0>>/1024                 +0.0465         +0.4702        937821        981388        472087        694082
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<8>, NumHighPrioTasks<0>>/2048                 +0.1596         +0.9140       1704819       1976899        616419       1179852
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<8>, NumHighPrioTasks<0>>/4096                 -0.1018         -0.2316       3793976       3407609       1912209       1469331
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<32>, NumHighPrioTasks<0>>/256                 +0.0395         +0.5818      30102662      31292982        174650        276270
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<32>, NumHighPrioTasks<0>>/512                 -0.0065         +1.2860      33079634      32863968        162150        370680
BM_N_atomics_N_waiter_N_notifier<KeepNotifying, NumberOfAtomics<32>, NumHighPrioTasks<0>>/1024                -0.0325         +0.4683      36581740      35392385        282320        414520
OVERALL_GEOMEAN                                                                                               -0.0084         +0.2878             0             0             0             0
```

---------

Co-authored-by: Louis Dionne <ldionne.2@gmail.com>
This commit is contained in:
Hui
2025-12-07 12:04:11 +00:00
committed by GitHub
parent fb0400fe1f
commit 73a13839d3
21 changed files with 579 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
libcxx/docs/ABIGuarantees.rst
View File

@@ -205,6 +205,16 @@ This flag fixes the implementation of CityHash used for ``hash<fundamental-type>
CityHash has the problem that it drops some bits on the floor. Fixing the implementation changes the hash of values,
resulting in an ABI break.
``_LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE``
------------------------------------------
This flag changes the implementation of ``atomic::wait()`` and ``atomic::notify_one()/notify_all()`` to use the
native atomic wait/notify operations on platforms that support them based on the size of the atomic type, instead
of the type itself. This means for example that a type with ``sizeof(T) == 4`` on Linux that doesn't have padding
bytes would be able to use the underlying platform's atomic wait primitive, which is otherwise only used for ``int32_t``.
Since the whole program must use the same implementation for correctness, changing this is an ABI break since libc++
supports linking against TUs that were compiled against older versions of the library.
inline namespaces
=================
Inline namespaces which contain types that are observable by the user need to be kept the same, since they affect

2
libcxx/docs/ReleaseNotes/22.rst
View File

@@ -82,6 +82,8 @@ Improvements and New Features
- The ``std::{generate, generate_n}`` and ``std::ranges::generate_n`` algorithms have been optimized for segmented
iterators, resulting in a performance improvement for ``std::deque<short>`` and
``std::join_view<vector<vector<short>>>`` iterators.
- ``std::atomic::wait`` has been refactored to accept more types to use platform native wait functions directly.
This is guarded behind the ABI Macro ``_LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE``.
- The ``num_get::do_get`` integral overloads have been optimized, resulting in a performance improvement of up to 2.8x.

2
libcxx/include/__atomic/atomic.h
View File

@@ -206,6 +206,8 @@ struct __atomic_base<_Tp, true> : public __atomic_base<_Tp, false> {
// __atomic_base<int, false>. So specializing __atomic_base<_Tp> does not work
template <class _Tp, bool _IsIntegral>
struct __atomic_waitable_traits<__atomic_base<_Tp, _IsIntegral> > {
using __value_type _LIBCPP_NODEBUG = _Tp;
static _LIBCPP_HIDE_FROM_ABI _Tp __atomic_load(const __atomic_base<_Tp, _IsIntegral>& __a, memory_order __order) {
return __a.load(__order);
}

2
libcxx/include/__atomic/atomic_flag.h
View File

@@ -76,6 +76,8 @@ struct atomic_flag {
template <>
struct __atomic_waitable_traits<atomic_flag> {
using __value_type _LIBCPP_NODEBUG = _LIBCPP_ATOMIC_FLAG_TYPE;
static _LIBCPP_HIDE_FROM_ABI _LIBCPP_ATOMIC_FLAG_TYPE __atomic_load(const atomic_flag& __a, memory_order __order) {
return std::__cxx_atomic_load(&__a.__a_, __order);
}

2
libcxx/include/__atomic/atomic_ref.h
View File

@@ -233,6 +233,8 @@ protected:
template <class _Tp>
struct __atomic_waitable_traits<__atomic_ref_base<_Tp>> {
using __value_type _LIBCPP_NODEBUG = _Tp;
static _LIBCPP_HIDE_FROM_ABI _Tp __atomic_load(const __atomic_ref_base<_Tp>& __a, memory_order __order) {
return __a.load(__order);
}

152
libcxx/include/__atomic/atomic_sync.h
View File

@@ -18,7 +18,10 @@
#include <__thread/poll_with_backoff.h>
#include <__type_traits/conjunction.h>
#include <__type_traits/decay.h>
#include <__type_traits/has_unique_object_representation.h>
#include <__type_traits/invoke.h>
#include <__type_traits/is_same.h>
#include <__type_traits/is_trivially_copyable.h>
#include <__type_traits/void_t.h>
#include <__utility/declval.h>
#include <cstring>
@@ -38,6 +41,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD
// The below implementations look ugly to support C++03
template <class _Tp, class = void>
struct __atomic_waitable_traits {
using __value_type _LIBCPP_NODEBUG = void;
template <class _AtomicWaitable>
static void __atomic_load(_AtomicWaitable&&, memory_order) = delete;
@@ -58,6 +63,9 @@ struct __atomic_waitable< _Tp,
#if _LIBCPP_STD_VER >= 20
# if _LIBCPP_HAS_THREADS
# if !_LIBCPP_AVAILABILITY_HAS_NEW_SYNC
// old dylib interface kept for backwards compatibility
_LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_one(void const volatile*) _NOEXCEPT;
_LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_all(void const volatile*) _NOEXCEPT;
_LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t __libcpp_atomic_monitor(void const volatile*) _NOEXCEPT;
@@ -69,6 +77,114 @@ _LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t
__libcpp_atomic_monitor(__cxx_atomic_contention_t const volatile*) _NOEXCEPT;
_LIBCPP_EXPORTED_FROM_ABI void
__libcpp_atomic_wait(__cxx_atomic_contention_t const volatile*, __cxx_contention_t) _NOEXCEPT;
# endif // !_LIBCPP_AVAILABILITY_HAS_NEW_SYNC
// new dylib interface
// return the global contention state's current value for the address
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t
__atomic_monitor_global(void const* __address) _NOEXCEPT;
// wait on the global contention state to be changed from the given value for the address
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI void
__atomic_wait_global_table(void const* __address, __cxx_contention_t __monitor_value) _NOEXCEPT;
// notify one waiter waiting on the global contention state for the address
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_one_global_table(void const*) _NOEXCEPT;
// notify all waiters waiting on the global contention state for the address
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_all_global_table(void const*) _NOEXCEPT;
// wait on the address directly with the native platform wait
template <std::size_t _Size>
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI void
__atomic_wait_native(void const* __address, void const* __old_value) _NOEXCEPT;
// notify one waiter waiting on the address directly with the native platform wait
template <std::size_t _Size>
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_one_native(const void*) _NOEXCEPT;
// notify all waiters waiting on the address directly with the native platform wait
template <std::size_t _Size>
_LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_all_native(const void*) _NOEXCEPT;
# ifdef __linux__
# define _LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_APPLY) _APPLY(4)
# elif defined(__APPLE__)
# define _LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_APPLY) \
_APPLY(4) \
_APPLY(8)
# elif defined(__FreeBSD__) && __SIZEOF_LONG__ == 8
# define _LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_APPLY) _APPLY(8)
# elif defined(_WIN32)
# define _LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_APPLY) _APPLY(8)
# else
# define _LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_APPLY) _APPLY(sizeof(__cxx_contention_t))
# endif // __linux__
// concepts defines the types are supported natively by the platform's wait
# if defined(_LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE)
_LIBCPP_HIDE_FROM_ABI constexpr bool __has_native_atomic_wait_impl(size_t __size) {
switch (__size) {
# define _LIBCPP_MAKE_CASE(n) \
case n: \
return true;
_LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_LIBCPP_MAKE_CASE)
default:
return false;
# undef _LIBCPP_MAKE_CASE
};
}
template <class _Tp>
concept __has_native_atomic_wait =
has_unique_object_representations_v<_Tp> && is_trivially_copyable_v<_Tp> &&
__has_native_atomic_wait_impl(sizeof(_Tp));
# else // _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
template <class _Tp>
concept __has_native_atomic_wait = is_same_v<_Tp, __cxx_contention_t>;
# endif // _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
# if _LIBCPP_AVAILABILITY_HAS_NEW_SYNC
template <class _AtomicWaitable, class _Poll>
struct __atomic_wait_backoff_impl {
const _AtomicWaitable& __a_;
_Poll __poll_;
memory_order __order_;
using __waitable_traits _LIBCPP_NODEBUG = __atomic_waitable_traits<__decay_t<_AtomicWaitable> >;
using __value_type _LIBCPP_NODEBUG = typename __waitable_traits::__value_type;
_LIBCPP_HIDE_FROM_ABI bool operator()(chrono::nanoseconds __elapsed) const {
if (__elapsed > chrono::microseconds(4)) {
auto __contention_address = const_cast<const void*>(
static_cast<const volatile void*>(__waitable_traits::__atomic_contention_address(__a_)));
if constexpr (__has_native_atomic_wait<__value_type>) {
auto __atomic_value = __waitable_traits::__atomic_load(__a_, __order_);
if (__poll_(__atomic_value))
return true;
std::__atomic_wait_native<sizeof(__value_type)>(__contention_address, std::addressof(__atomic_value));
} else {
__cxx_contention_t __monitor_val = std::__atomic_monitor_global(__contention_address);
auto __atomic_value = __waitable_traits::__atomic_load(__a_, __order_);
if (__poll_(__atomic_value))
return true;
std::__atomic_wait_global_table(__contention_address, __monitor_val);
}
} else {
} // poll
return false;
}
};
# else // _LIBCPP_AVAILABILITY_HAS_NEW_SYNC
template <class _AtomicWaitable, class _Poll>
struct __atomic_wait_backoff_impl {
@@ -112,6 +228,8 @@ struct __atomic_wait_backoff_impl {
}
};
# endif // _LIBCPP_AVAILABILITY_HAS_NEW_SYNC
// The semantics of this function are similar to `atomic`'s
// `.wait(T old, std::memory_order order)`, but instead of having a hardcoded
// predicate (is the loaded value unequal to `old`?), the predicate function is
@@ -133,6 +251,38 @@ _LIBCPP_HIDE_FROM_ABI void __atomic_wait_unless(const _AtomicWaitable& __a, memo
/* backoff */ __backoff_fn);
}
# if _LIBCPP_AVAILABILITY_HAS_NEW_SYNC
template <class _AtomicWaitable>
_LIBCPP_HIDE_FROM_ABI void __atomic_notify_one(const _AtomicWaitable& __a) {
static_assert(__atomic_waitable<_AtomicWaitable>::value, "");
using __value_type _LIBCPP_NODEBUG = typename __atomic_waitable_traits<__decay_t<_AtomicWaitable> >::__value_type;
using __waitable_traits _LIBCPP_NODEBUG = __atomic_waitable_traits<__decay_t<_AtomicWaitable> >;
auto __contention_address =
const_cast<const void*>(static_cast<const volatile void*>(__waitable_traits::__atomic_contention_address(__a)));
if constexpr (__has_native_atomic_wait<__value_type>) {
std::__atomic_notify_one_native<sizeof(__value_type)>(__contention_address);
} else {
std::__atomic_notify_one_global_table(__contention_address);
}
}
template <class _AtomicWaitable>
_LIBCPP_HIDE_FROM_ABI void __atomic_notify_all(const _AtomicWaitable& __a) {
static_assert(__atomic_waitable<_AtomicWaitable>::value, "");
using __value_type _LIBCPP_NODEBUG = typename __atomic_waitable_traits<__decay_t<_AtomicWaitable> >::__value_type;
using __waitable_traits _LIBCPP_NODEBUG = __atomic_waitable_traits<__decay_t<_AtomicWaitable> >;
auto __contention_address =
const_cast<const void*>(static_cast<const volatile void*>(__waitable_traits::__atomic_contention_address(__a)));
if constexpr (__has_native_atomic_wait<__value_type>) {
std::__atomic_notify_all_native<sizeof(__value_type)>(__contention_address);
} else {
std::__atomic_notify_all_global_table(__contention_address);
}
}
# else // _LIBCPP_AVAILABILITY_HAS_NEW_SYNC
template <class _AtomicWaitable>
_LIBCPP_HIDE_FROM_ABI void __atomic_notify_one(const _AtomicWaitable& __a) {
static_assert(__atomic_waitable<_AtomicWaitable>::value, "");
@@ -145,6 +295,8 @@ _LIBCPP_HIDE_FROM_ABI void __atomic_notify_all(const _AtomicWaitable& __a) {
std::__cxx_atomic_notify_all(__atomic_waitable_traits<__decay_t<_AtomicWaitable> >::__atomic_contention_address(__a));
}
# endif
# else // _LIBCPP_HAS_THREADS
template <class _AtomicWaitable, class _Poll>

30
libcxx/include/__atomic/contention_t.h
View File

@@ -19,11 +19,35 @@
_LIBCPP_BEGIN_NAMESPACE_STD
#if defined(__linux__) || (defined(_AIX) && !defined(__64BIT__))
// The original definition of `__cxx_contention_t` seemed a bit arbitrary.
// When we enable the _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE ABI,
// use definitions that are based on what the underlying platform supports
// instead.
#if defined(_LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE)
# ifdef __linux__
using __cxx_contention_t _LIBCPP_NODEBUG = int32_t;
#else
# elif defined(__APPLE__)
using __cxx_contention_t _LIBCPP_NODEBUG = int64_t;
#endif // __linux__ || (_AIX && !__64BIT__)
# elif defined(__FreeBSD__) && __SIZEOF_LONG__ == 8
using __cxx_contention_t _LIBCPP_NODEBUG = int64_t;
# elif defined(_AIX) && !defined(__64BIT__)
using __cxx_contention_t _LIBCPP_NODEBUG = int32_t;
# elif defined(_WIN32)
using __cxx_contention_t _LIBCPP_NODEBUG = int64_t;
# else
using __cxx_contention_t _LIBCPP_NODEBUG = int64_t;
# endif // __linux__
#else // _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
# if defined(__linux__) || (defined(_AIX) && !defined(__64BIT__))
using __cxx_contention_t _LIBCPP_NODEBUG = int32_t;
# else
using __cxx_contention_t _LIBCPP_NODEBUG = int64_t;
# endif // __linux__ || (_AIX && !__64BIT__)
#endif // _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
using __cxx_atomic_contention_t _LIBCPP_NODEBUG = __cxx_atomic_impl<__cxx_contention_t>;

1
libcxx/include/__configuration/abi.h
View File

@@ -63,6 +63,7 @@
// These flags are documented in ABIGuarantees.rst
# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
# define _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
# define _LIBCPP_ABI_DO_NOT_EXPORT_BASIC_STRING_COMMON
# define _LIBCPP_ABI_DO_NOT_EXPORT_VECTOR_BASE_COMMON
# define _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10

15
libcxx/include/__configuration/availability.h
View File

@@ -39,6 +39,9 @@
// in all versions of the library are available.
#if !_LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS
# define _LIBCPP_INTRODUCED_IN_LLVM_22 1
# define _LIBCPP_INTRODUCED_IN_LLVM_22_ATTRIBUTE /* nothing */
# define _LIBCPP_INTRODUCED_IN_LLVM_21 1
# define _LIBCPP_INTRODUCED_IN_LLVM_21_ATTRIBUTE /* nothing */
@@ -67,6 +70,11 @@
// clang-format off
// LLVM 22
// TODO: Fill this in
# define _LIBCPP_INTRODUCED_IN_LLVM_22 0
# define _LIBCPP_INTRODUCED_IN_LLVM_22_ATTRIBUTE __attribute__((unavailable))
// LLVM 21
// TODO: Fill this in
# define _LIBCPP_INTRODUCED_IN_LLVM_21 0
@@ -197,6 +205,13 @@
#endif
// This controls the availability of new implementation of std::atomic's
// wait, notify_one and notify_all. The new implementation uses
// the native atomic wait/notify operations on platforms that support them
// based on the size of the atomic type, instead of the type itself.
#define _LIBCPP_AVAILABILITY_HAS_NEW_SYNC _LIBCPP_INTRODUCED_IN_LLVM_22
#define _LIBCPP_AVAILABILITY_NEW_SYNC _LIBCPP_INTRODUCED_IN_LLVM_22_ATTRIBUTE
// Enable additional explicit instantiations of iostreams components. This
// reduces the number of weak definitions generated in programs that use
// iostreams by providing a single strong definition in the shared library.

14
libcxx/lib/abi/CHANGELOG.TXT
View File

@@ -16,6 +16,20 @@ New entries should be added directly below the "Version" header.
Version 22.0
------------
* [libc++] Allows any types of size 4 and 8 to use native platform ulock_wait
This patch added symbols for platform wait functions with the size of the type
All platforms
-------------
Symbol added: __ZNSt3__123__atomic_monitor_globalEPKv
Symbol added: __ZNSt3__126__atomic_wait_global_tableEPKvx
Symbol added: __ZNSt3__126__atomic_notify_one_nativeILm8EEEvPKv
Symbol added: __ZNSt3__132__atomic_notify_all_global_tableEPKv
Symbol added: __ZNSt3__120__atomic_wait_nativeILm8EEEvPKvS2_
Symbol added: __ZNSt3__126__atomic_notify_all_nativeILm8EEEvPKv
Symbol added: __ZNSt3__132__atomic_notify_one_global_tableEPKv
* [libc++] Remove __time_get_storage::{__analyze,init} from the ABI
These functions have never been used outside the dylib, so there is no point in exporting them.

11
libcxx/lib/abi/arm64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -534,6 +534,7 @@
{'is_defined': True, 'name': '__ZNKSt3__115basic_streambufIwNS_11char_traitsIwEEE6getlocEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__115error_condition7messageEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__117moneypunct_bynameIcLb0EE11do_groupingEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__117moneypunct_bynameIcLb0EE13do_neg_formatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__117moneypunct_bynameIcLb0EE13do_pos_formatEv', 'type': 'FUNC'}
@@ -1125,6 +1126,7 @@
{'is_defined': True, 'name': '__ZNSt3__112system_errorD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__112system_errorD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__112system_errorD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE11__read_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE12__write_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE4openEPKcj', 'type': 'FUNC'}
@@ -1305,7 +1307,6 @@
{'is_defined': True, 'name': '__ZNSt3__113shared_futureIvED1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113shared_futureIvED2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113shared_futureIvEaSERKS1_', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__114__num_get_base10__get_baseERNS_8ios_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__114__num_get_base5__srcE', 'size': 0, 'type': 'OBJECT'}
{'is_defined': True, 'name': '__ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'type': 'FUNC'}
@@ -1508,7 +1509,6 @@
{'is_defined': True, 'name': '__ZNSt3__117bad_function_callD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__117bad_function_callD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__117bad_function_callD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__117iostream_categoryEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__117moneypunct_bynameIcLb0EE4initEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__117moneypunct_bynameIcLb1EE4initEPKc', 'type': 'FUNC'}
@@ -1558,6 +1558,7 @@
{'is_defined': True, 'name': '__ZNSt3__119__thread_local_dataEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__120__atomic_wait_nativeILm8EEEvPKvS2_', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__120__get_collation_nameEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__120__libcpp_atomic_waitEPVKNS_17__cxx_atomic_implIxNS_22__cxx_atomic_base_implIxEEEEx', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__120__libcpp_atomic_waitEPVKvx', 'type': 'FUNC'}
@@ -1571,6 +1572,7 @@
{'is_defined': True, 'name': '__ZNSt3__121recursive_timed_mutexD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__121recursive_timed_mutexD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__122__libcpp_verbose_abortEPKcz', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__123__atomic_monitor_globalEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIxNS_22__cxx_atomic_base_implIxEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__123__cxx_atomic_notify_allEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIxNS_22__cxx_atomic_base_implIxEEEE', 'type': 'FUNC'}
@@ -1578,9 +1580,14 @@
{'is_defined': True, 'name': '__ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIxNS_22__cxx_atomic_base_implIxEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__123__libcpp_atomic_monitorEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__126__atomic_notify_all_nativeILm8EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__126__atomic_notify_one_nativeILm8EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__126__atomic_wait_global_tableEPKvx', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__132__atomic_notify_all_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__132__atomic_notify_one_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
{'is_defined': True, 'name': '__ZNSt3__13cinE', 'size': 0, 'type': 'OBJECT'}

11
libcxx/lib/abi/i686-linux-android21.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -170,6 +170,7 @@
{'is_defined': True, 'name': '_ZNKSt6__ndk115basic_streambufIwNS_11char_traitsIwEEE6getlocEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk115error_condition7messageEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117moneypunct_bynameIcLb0EE11do_groupingEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117moneypunct_bynameIcLb0EE13do_neg_formatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117moneypunct_bynameIcLb0EE13do_pos_formatEv', 'type': 'FUNC'}
@@ -761,6 +762,7 @@
{'is_defined': True, 'name': '_ZNSt6__ndk112system_errorD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk112system_errorD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk112system_errorD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113__hash_memoryEPKvj', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113basic_filebufIcNS_11char_traitsIcEEE11__read_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113basic_filebufIcNS_11char_traitsIcEEE12__write_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113basic_filebufIcNS_11char_traitsIcEEE4openEPKcj', 'type': 'FUNC'}
@@ -941,7 +943,6 @@
{'is_defined': True, 'name': '_ZNSt6__ndk113shared_futureIvED1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113shared_futureIvED2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113shared_futureIvEaSERKS1_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113__hash_memoryEPKvj', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk114__num_get_base10__get_baseERNS_8ios_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk114__num_get_base5__srcE', 'size': 33, 'type': 'OBJECT'}
{'is_defined': True, 'name': '_ZNSt6__ndk114__num_put_base12__format_intEPcPKcbj', 'type': 'FUNC'}
@@ -1144,7 +1145,6 @@
{'is_defined': True, 'name': '_ZNSt6__ndk117bad_function_callD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117bad_function_callD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117bad_function_callD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117iostream_categoryEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117moneypunct_bynameIcLb0EE4initEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117moneypunct_bynameIcLb1EE4initEPKc', 'type': 'FUNC'}
@@ -1194,6 +1194,7 @@
{'is_defined': True, 'name': '_ZNSt6__ndk119__thread_local_dataEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__atomic_wait_nativeILj4EEEvPKvS2_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__get_collation_nameEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__libcpp_atomic_waitEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEEi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__libcpp_atomic_waitEPVKvi', 'type': 'FUNC'}
@@ -1207,6 +1208,7 @@
{'is_defined': True, 'name': '_ZNSt6__ndk121recursive_timed_mutexD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk121recursive_timed_mutexD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk122__libcpp_verbose_abortEPKcz', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__atomic_monitor_globalEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__cxx_atomic_notify_allEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
@@ -1214,9 +1216,14 @@
{'is_defined': True, 'name': '_ZNSt6__ndk123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__libcpp_atomic_monitorEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk126__atomic_notify_all_nativeILj4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk126__atomic_notify_one_nativeILj4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk126__atomic_wait_global_tableEPKvi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk132__atomic_notify_all_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk132__atomic_notify_one_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk134__construct_barrier_algorithm_baseERi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk13cinE', 'size': 148, 'type': 'OBJECT'}

11
libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -96,6 +96,7 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__115__codecvt_utf16IwLb1EE6do_outERPcPKwS5_RS5_S2_S2_S3_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__115__codecvt_utf16IwLb1EE9do_lengthERPcPKcS5_m', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__115error_condition7messageEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__118__time_get_storageIcE15__do_date_orderEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__118__time_get_storageIwE15__do_date_orderEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__119__shared_weak_count13__get_deleterERKSt9type_info', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -410,6 +411,7 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__112system_errorD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__112system_errorD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__112system_errorD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113random_deviceC1ERKNS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113random_deviceC2ERKNS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113random_deviceD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -418,7 +420,6 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113shared_futureIvEaSERKS1_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_get_base10__get_baseERNS_8ios_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_get_base5__srcE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -503,7 +504,6 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117bad_function_callD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117bad_function_callD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117bad_function_callD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117iostream_categoryEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb0EE4initEPKc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb1EE4initEPKc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -559,6 +559,7 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexC2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__atomic_monitor_globalEPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -566,7 +567,10 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__126__atomic_wait_global_tableEPKvi', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_all_global_tableEPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_one_global_tableEPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13cinE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
@@ -1705,7 +1709,10 @@
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__120__atomic_wait_nativeILm4EEEvPKvS2_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__122__libcpp_verbose_abortEPKcz', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_all_nativeILm4EEEvPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_one_nativeILm4EEEvPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__14__fs10filesystem16_FilesystemClock9is_steadyE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}

11
libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -96,6 +96,7 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__115__codecvt_utf16IwLb1EE6do_outERPcPKwS5_RS5_S2_S2_S3_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__115__codecvt_utf16IwLb1EE9do_lengthERPcPKcS5_m', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__115error_condition7messageEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__118__time_get_storageIcE15__do_date_orderEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__118__time_get_storageIwE15__do_date_orderEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__119__shared_weak_count13__get_deleterERKSt9type_info', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -410,6 +411,7 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__112system_errorD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__112system_errorD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__112system_errorD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113random_deviceC1ERKNS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113random_deviceC2ERKNS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113random_deviceD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -418,7 +420,6 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113shared_futureIvEaSERKS1_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_get_base10__get_baseERNS_8ios_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_get_base5__srcE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -503,7 +504,6 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117bad_function_callD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117bad_function_callD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117bad_function_callD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117iostream_categoryEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb0EE4initEPKc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb1EE4initEPKc', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -559,6 +559,7 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexC2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__atomic_monitor_globalEPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -566,7 +567,10 @@
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__126__atomic_wait_global_tableEPKvl', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_all_global_tableEPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_one_global_tableEPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13cinE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
@@ -1705,7 +1709,10 @@
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__120__atomic_wait_nativeILm8EEEvPKvS2_', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__122__libcpp_verbose_abortEPKcz', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_all_nativeILm8EEEvPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_one_nativeILm8EEEvPKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZNSt3__14__fs10filesystem16_FilesystemClock9is_steadyE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}

11
libcxx/lib/abi/x86_64-linux-android21.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -170,6 +170,7 @@
{'is_defined': True, 'name': '_ZNKSt6__ndk115basic_streambufIwNS_11char_traitsIwEEE6getlocEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk115error_condition7messageEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117moneypunct_bynameIcLb0EE11do_groupingEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117moneypunct_bynameIcLb0EE13do_neg_formatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117moneypunct_bynameIcLb0EE13do_pos_formatEv', 'type': 'FUNC'}
@@ -761,6 +762,7 @@
{'is_defined': True, 'name': '_ZNSt6__ndk112system_errorD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk112system_errorD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk112system_errorD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113basic_filebufIcNS_11char_traitsIcEEE11__read_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113basic_filebufIcNS_11char_traitsIcEEE12__write_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113basic_filebufIcNS_11char_traitsIcEEE4openEPKcj', 'type': 'FUNC'}
@@ -941,7 +943,6 @@
{'is_defined': True, 'name': '_ZNSt6__ndk113shared_futureIvED1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113shared_futureIvED2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113shared_futureIvEaSERKS1_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk114__num_get_base10__get_baseERNS_8ios_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk114__num_get_base5__srcE', 'size': 33, 'type': 'OBJECT'}
{'is_defined': True, 'name': '_ZNSt6__ndk114__num_put_base12__format_intEPcPKcbj', 'type': 'FUNC'}
@@ -1144,7 +1145,6 @@
{'is_defined': True, 'name': '_ZNSt6__ndk117bad_function_callD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117bad_function_callD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117bad_function_callD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt6__ndk117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117iostream_categoryEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117moneypunct_bynameIcLb0EE4initEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk117moneypunct_bynameIcLb1EE4initEPKc', 'type': 'FUNC'}
@@ -1194,6 +1194,7 @@
{'is_defined': True, 'name': '_ZNSt6__ndk119__thread_local_dataEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__atomic_wait_nativeILm4EEEvPKvS2_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__get_collation_nameEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__libcpp_atomic_waitEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEEi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk120__libcpp_atomic_waitEPVKvi', 'type': 'FUNC'}
@@ -1207,6 +1208,7 @@
{'is_defined': True, 'name': '_ZNSt6__ndk121recursive_timed_mutexD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk121recursive_timed_mutexD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk122__libcpp_verbose_abortEPKcz', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__atomic_monitor_globalEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__cxx_atomic_notify_allEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
@@ -1214,9 +1216,14 @@
{'is_defined': True, 'name': '_ZNSt6__ndk123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk123__libcpp_atomic_monitorEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk126__atomic_notify_all_nativeILm4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk126__atomic_notify_one_nativeILm4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk126__atomic_wait_global_tableEPKvi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk132__atomic_notify_all_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk132__atomic_notify_one_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt6__ndk13cinE', 'size': 280, 'type': 'OBJECT'}

11
libcxx/lib/abi/x86_64-unknown-freebsd.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -227,6 +227,7 @@
{'is_defined': True, 'name': '_ZNKSt3__115basic_streambufIwNS_11char_traitsIwEEE6getlocEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__115error_condition7messageEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE11do_groupingEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE13do_neg_formatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE13do_pos_formatEv', 'type': 'FUNC'}
@@ -775,6 +776,7 @@
{'is_defined': True, 'name': '_ZNSt3__112system_errorD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__112system_errorD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__112system_errorD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE11__read_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE12__write_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE4openEPKcj', 'type': 'FUNC'}
@@ -955,7 +957,6 @@
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvEaSERKS1_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__114__num_get_base10__get_baseERNS_8ios_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__114__num_get_base5__srcE', 'size': 33, 'type': 'OBJECT'}
{'is_defined': True, 'name': '_ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'type': 'FUNC'}
@@ -1158,7 +1159,6 @@
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117iostream_categoryEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb0EE4initEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb1EE4initEPKc', 'type': 'FUNC'}
@@ -1208,6 +1208,7 @@
{'is_defined': True, 'name': '_ZNSt3__119__thread_local_dataEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__atomic_wait_nativeILm8EEEvPKvS2_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__get_collation_nameEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__libcpp_atomic_waitEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEEl', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__libcpp_atomic_waitEPVKvl', 'type': 'FUNC'}
@@ -1221,6 +1222,7 @@
{'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__122__libcpp_verbose_abortEPKcz', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__atomic_monitor_globalEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'type': 'FUNC'}
@@ -1228,9 +1230,14 @@
{'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_all_nativeILm8EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_one_nativeILm8EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_wait_global_tableEPKvl', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_all_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_one_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__13cinE', 'size': 400, 'type': 'OBJECT'}

11
libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.exceptions.nonew.abilist
View File

@@ -225,6 +225,7 @@
{'is_defined': True, 'name': '_ZNKSt3__115basic_streambufIwNS_11char_traitsIwEEE6getlocEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__115error_condition7messageEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE11do_groupingEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE13do_neg_formatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE13do_pos_formatEv', 'type': 'FUNC'}
@@ -773,6 +774,7 @@
{'is_defined': True, 'name': '_ZNSt3__112system_errorD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__112system_errorD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__112system_errorD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE11__read_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE12__write_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE4openEPKcj', 'type': 'FUNC'}
@@ -953,7 +955,6 @@
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvEaSERKS1_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__114__num_get_base10__get_baseERNS_8ios_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__114__num_get_base5__srcE', 'size': 33, 'type': 'OBJECT'}
{'is_defined': True, 'name': '_ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'type': 'FUNC'}
@@ -1156,7 +1157,6 @@
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117iostream_categoryEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb0EE4initEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb1EE4initEPKc', 'type': 'FUNC'}
@@ -1206,6 +1206,7 @@
{'is_defined': True, 'name': '_ZNSt3__119__thread_local_dataEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__atomic_wait_nativeILm4EEEvPKvS2_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__get_collation_nameEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__libcpp_atomic_waitEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEEi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__libcpp_atomic_waitEPVKvi', 'type': 'FUNC'}
@@ -1219,6 +1220,7 @@
{'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__122__libcpp_verbose_abortEPKcz', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__atomic_monitor_globalEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
@@ -1226,9 +1228,14 @@
{'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_all_nativeILm4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_one_nativeILm4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_wait_global_tableEPKvi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_all_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_one_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__13cinE', 'size': 280, 'type': 'OBJECT'}

11
libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.noexceptions.nonew.abilist
View File

@@ -196,6 +196,7 @@
{'is_defined': True, 'name': '_ZNKSt3__115basic_streambufIwNS_11char_traitsIwEEE6getlocEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__115basic_stringbufIcNS_11char_traitsIcEENS_9allocatorIcEEE3strEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__115error_condition7messageEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE11do_groupingEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE13do_neg_formatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117moneypunct_bynameIcLb0EE13do_pos_formatEv', 'type': 'FUNC'}
@@ -744,6 +745,7 @@
{'is_defined': True, 'name': '_ZNSt3__112system_errorD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__112system_errorD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__112system_errorD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE11__read_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE12__write_modeEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113basic_filebufIcNS_11char_traitsIcEEE4openEPKcj', 'type': 'FUNC'}
@@ -923,7 +925,6 @@
{'is_defined': True, 'name': '_ZNSt3__113random_deviceclEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvED2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113__hash_memoryEPKvm', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__113shared_futureIvEaSERKS1_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__114__num_get_base10__get_baseERNS_8ios_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__114__num_get_base5__srcE', 'size': 33, 'type': 'OBJECT'}
@@ -1127,7 +1128,6 @@
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD0Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117bad_function_callD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__117bad_function_call4whatEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117iostream_categoryEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb0EE4initEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__117moneypunct_bynameIcLb1EE4initEPKc', 'type': 'FUNC'}
@@ -1177,6 +1177,7 @@
{'is_defined': True, 'name': '_ZNSt3__119__thread_local_dataEv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEaSEOS5_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__atomic_wait_nativeILm4EEEvPKvS2_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__get_collation_nameEPKc', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__libcpp_atomic_waitEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEEi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__120__libcpp_atomic_waitEPVKvi', 'type': 'FUNC'}
@@ -1190,6 +1191,7 @@
{'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD1Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__121recursive_timed_mutexD2Ev', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__122__libcpp_verbose_abortEPKcz', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__atomic_monitor_globalEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_allEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_oneEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
@@ -1197,9 +1199,14 @@
{'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIiNS_22__cxx_atomic_base_implIiEEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_all_nativeILm4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_notify_one_nativeILm4EEEvPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__126__atomic_wait_global_tableEPKvi', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIdEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__127__from_chars_floating_pointIfEENS_19__from_chars_resultIT_EEPKcS5_NS_12chars_formatE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_all_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__atomic_notify_one_global_tableEPKv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNSt3__13cinE', 'size': 280, 'type': 'OBJECT'}

304
libcxx/src/atomic.cpp
View File

@@ -9,8 +9,12 @@
#include <__thread/timed_backoff_policy.h>
#include <atomic>
#include <climits>
#include <cstddef>
#include <cstring>
#include <functional>
#include <new>
#include <thread>
#include <type_traits>
#include "include/apple_availability.h"
@@ -58,13 +62,18 @@ _LIBCPP_BEGIN_NAMESPACE_STD
#ifdef __linux__
static void
__libcpp_platform_wait_on_address(__cxx_atomic_contention_t const volatile* __ptr, __cxx_contention_t __val) {
template <std::size_t _Size>
static void __platform_wait_on_address(void const* __ptr, void const* __val) {
static_assert(_Size == 4, "Can only wait on 4 bytes value");
char buffer[_Size];
std::memcpy(&buffer, const_cast<const void*>(__val), _Size);
static constexpr timespec __timeout = {2, 0};
_LIBCPP_FUTEX(__ptr, FUTEX_WAIT_PRIVATE, __val, &__timeout, 0, 0);
_LIBCPP_FUTEX(__ptr, FUTEX_WAIT_PRIVATE, *reinterpret_cast<__cxx_contention_t const*>(&buffer), &__timeout, 0, 0);
}
static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const volatile* __ptr, bool __notify_one) {
template <std::size_t _Size>
static void __platform_wake_by_address(void const* __ptr, bool __notify_one) {
static_assert(_Size == 4, "Can only wake up on 4 bytes value");
_LIBCPP_FUTEX(__ptr, FUTEX_WAKE_PRIVATE, __notify_one ? 1 : INT_MAX, 0, 0, 0);
}
@@ -75,19 +84,29 @@ extern "C" int __ulock_wait(
extern "C" int __ulock_wake(uint32_t operation, void* addr, uint64_t wake_value);
// https://github.com/apple/darwin-xnu/blob/2ff845c2e033bd0ff64b5b6aa6063a1f8f65aa32/bsd/sys/ulock.h#L82
# define UL_COMPARE_AND_WAIT 1
# define UL_COMPARE_AND_WAIT64 5
# define ULF_WAKE_ALL 0x00000100
static void
__libcpp_platform_wait_on_address(__cxx_atomic_contention_t const volatile* __ptr, __cxx_contention_t __val) {
static_assert(sizeof(__cxx_atomic_contention_t) == 8, "Waiting on 8 bytes value");
__ulock_wait(UL_COMPARE_AND_WAIT64, const_cast<__cxx_atomic_contention_t*>(__ptr), __val, 0);
template <std::size_t _Size>
static void __platform_wait_on_address(void const* __ptr, void const* __val) {
static_assert(_Size == 8 || _Size == 4, "Can only wait on 8 bytes or 4 bytes value");
char buffer[_Size];
std::memcpy(&buffer, const_cast<const void*>(__val), _Size);
if constexpr (_Size == 4)
__ulock_wait(UL_COMPARE_AND_WAIT, const_cast<void*>(__ptr), *reinterpret_cast<uint32_t const*>(&buffer), 0);
else
__ulock_wait(UL_COMPARE_AND_WAIT64, const_cast<void*>(__ptr), *reinterpret_cast<uint64_t const*>(&buffer), 0);
}
static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const volatile* __ptr, bool __notify_one) {
static_assert(sizeof(__cxx_atomic_contention_t) == 8, "Waking up on 8 bytes value");
__ulock_wake(
UL_COMPARE_AND_WAIT64 | (__notify_one ? 0 : ULF_WAKE_ALL), const_cast<__cxx_atomic_contention_t*>(__ptr), 0);
template <std::size_t _Size>
static void __platform_wake_by_address(void const* __ptr, bool __notify_one) {
static_assert(_Size == 8 || _Size == 4, "Can only wake up on 8 bytes or 4 bytes value");
if constexpr (_Size == 4)
__ulock_wake(UL_COMPARE_AND_WAIT | (__notify_one ? 0 : ULF_WAKE_ALL), const_cast<void*>(__ptr), 0);
else
__ulock_wake(UL_COMPARE_AND_WAIT64 | (__notify_one ? 0 : ULF_WAKE_ALL), const_cast<void*>(__ptr), 0);
}
#elif defined(__FreeBSD__) && __SIZEOF_LONG__ == 8
@@ -97,13 +116,18 @@ static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const vo
* limit its use to architectures where long and int64_t are synonyms.
*/
static void
__libcpp_platform_wait_on_address(__cxx_atomic_contention_t const volatile* __ptr, __cxx_contention_t __val) {
_umtx_op(const_cast<__cxx_atomic_contention_t*>(__ptr), UMTX_OP_WAIT, __val, nullptr, nullptr);
template <std::size_t _Size>
static void __platform_wait_on_address(void const* __ptr, void const* __val) {
static_assert(_Size == 8, "Can only wait on 8 bytes value");
char buffer[_Size];
std::memcpy(&buffer, const_cast<const void*>(__val), _Size);
_umtx_op(const_cast<void*>(__ptr), UMTX_OP_WAIT, *reinterpret_cast<__cxx_contention_t*>(&buffer), nullptr, nullptr);
}
static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const volatile* __ptr, bool __notify_one) {
_umtx_op(const_cast<__cxx_atomic_contention_t*>(__ptr), UMTX_OP_WAKE, __notify_one ? 1 : INT_MAX, nullptr, nullptr);
template <std::size_t _Size>
static void __platform_wake_by_address(void const* __ptr, bool __notify_one) {
static_assert(_Size == 8, "Can only wake up on 8 bytes value");
_umtx_op(const_cast<void*>(__ptr), UMTX_OP_WAKE, __notify_one ? 1 : INT_MAX, nullptr, nullptr);
}
#elif defined(_WIN32)
@@ -132,27 +156,30 @@ static void* win32_get_synch_api_function(const char* function_name) {
return reinterpret_cast<void*>(GetProcAddress(module_handle, function_name));
}
static void
__libcpp_platform_wait_on_address(__cxx_atomic_contention_t const volatile* __ptr, __cxx_contention_t __val) {
template <std::size_t _Size>
static void __platform_wait_on_address(void const* __ptr, void const* __val) {
static_assert(_Size == 8, "Can only wait on 8 bytes value");
// WaitOnAddress was added in Windows 8 (build 9200)
static auto wait_on_address = reinterpret_cast<BOOL(WINAPI*)(volatile void*, PVOID, SIZE_T, DWORD)>(
win32_get_synch_api_function("WaitOnAddress"));
static auto wait_on_address =
reinterpret_cast<BOOL(WINAPI*)(void*, PVOID, SIZE_T, DWORD)>(win32_get_synch_api_function("WaitOnAddress"));
if (wait_on_address != nullptr) {
wait_on_address(const_cast<__cxx_atomic_contention_t*>(__ptr), &__val, sizeof(__val), INFINITE);
wait_on_address(const_cast<void*>(__ptr), const_cast<void*>(__val), _Size, INFINITE);
} else {
__libcpp_thread_poll_with_backoff(
[=]() -> bool { return !__cxx_nonatomic_compare_equal(__cxx_atomic_load(__ptr, memory_order_relaxed), __val); },
[=]() -> bool { return std::memcmp(const_cast<const void*>(__ptr), __val, _Size) != 0; },
__libcpp_timed_backoff_policy());
}
}
static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const volatile* __ptr, bool __notify_one) {
template <std::size_t _Size>
static void __platform_wake_by_address(void const* __ptr, bool __notify_one) {
static_assert(_Size == 8, "Can only wake up on 8 bytes value");
if (__notify_one) {
// WakeByAddressSingle was added in Windows 8 (build 9200)
static auto wake_by_address_single =
reinterpret_cast<void(WINAPI*)(PVOID)>(win32_get_synch_api_function("WakeByAddressSingle"));
if (wake_by_address_single != nullptr) {
wake_by_address_single(const_cast<__cxx_atomic_contention_t*>(__ptr));
wake_by_address_single(const_cast<void*>(__ptr));
} else {
// The fallback implementation of waking does nothing, as the fallback wait implementation just does polling, so
// there's nothing to do here.
@@ -162,7 +189,7 @@ static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const vo
static auto wake_by_address_all =
reinterpret_cast<void(WINAPI*)(PVOID)>(win32_get_synch_api_function("WakeByAddressAll"));
if (wake_by_address_all != nullptr) {
wake_by_address_all(const_cast<__cxx_atomic_contention_t*>(__ptr));
wake_by_address_all(const_cast<void*>(__ptr));
} else {
// The fallback implementation of waking does nothing, as the fallback wait implementation just does polling, so
// there's nothing to do here.
@@ -174,106 +201,213 @@ static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const vo
// Baseline is just a timed backoff
static void
__libcpp_platform_wait_on_address(__cxx_atomic_contention_t const volatile* __ptr, __cxx_contention_t __val) {
template <std::size_t _Size>
static void __platform_wait_on_address(void const* __ptr, void const* __val) {
__libcpp_thread_poll_with_backoff(
[=]() -> bool { return !__cxx_nonatomic_compare_equal(__cxx_atomic_load(__ptr, memory_order_relaxed), __val); },
[=]() -> bool { return std::memcmp(const_cast<const void*>(__ptr), __val, _Size) != 0; },
__libcpp_timed_backoff_policy());
}
static void __libcpp_platform_wake_by_address(__cxx_atomic_contention_t const volatile*, bool) {}
template <std::size_t _Size>
static void __platform_wake_by_address(void const*, bool) {}
#endif // __linux__
static constexpr size_t __libcpp_contention_table_size = (1 << 8); /* < there's no magic in this number */
struct alignas(64) /* aim to avoid false sharing */ __libcpp_contention_table_entry {
__cxx_atomic_contention_t __contention_state;
__cxx_atomic_contention_t __platform_state;
inline constexpr __libcpp_contention_table_entry() : __contention_state(0), __platform_state(0) {}
};
static __libcpp_contention_table_entry __libcpp_contention_table[__libcpp_contention_table_size];
static hash<void const volatile*> __libcpp_contention_hasher;
static __libcpp_contention_table_entry* __libcpp_contention_state(void const volatile* p) {
return &__libcpp_contention_table[__libcpp_contention_hasher(p) & (__libcpp_contention_table_size - 1)];
}
// =============================
// Local hidden helper functions
// =============================
/* Given an atomic to track contention and an atomic to actually wait on, which may be
the same atomic, we try to detect contention to avoid spuriously calling the platform. */
static void __libcpp_contention_notify(__cxx_atomic_contention_t volatile* __contention_state,
__cxx_atomic_contention_t const volatile* __platform_state,
bool __notify_one) {
if (0 != __cxx_atomic_load(__contention_state, memory_order_seq_cst))
template <std::size_t _Size>
static void
__contention_notify(__cxx_atomic_contention_t* __waiter_count, void const* __address_to_notify, bool __notify_one) {
if (0 != __cxx_atomic_load(__waiter_count, memory_order_seq_cst))
// We only call 'wake' if we consumed a contention bit here.
__libcpp_platform_wake_by_address(__platform_state, __notify_one);
__platform_wake_by_address<_Size>(__address_to_notify, __notify_one);
}
static __cxx_contention_t
__libcpp_contention_monitor_for_wait(__cxx_atomic_contention_t volatile* /*__contention_state*/,
__cxx_atomic_contention_t const volatile* __platform_state) {
// We will monitor this value.
return __cxx_atomic_load(__platform_state, memory_order_acquire);
}
static void __libcpp_contention_wait(__cxx_atomic_contention_t volatile* __contention_state,
__cxx_atomic_contention_t const volatile* __platform_state,
__cxx_contention_t __old_value) {
__cxx_atomic_fetch_add(__contention_state, __cxx_contention_t(1), memory_order_relaxed);
template <std::size_t _Size>
static void
__contention_wait(__cxx_atomic_contention_t* __waiter_count, void const* __address_to_wait, void const* __old_value) {
__cxx_atomic_fetch_add(__waiter_count, __cxx_contention_t(1), memory_order_relaxed);
// https://llvm.org/PR109290
// There are no platform guarantees of a memory barrier in the platform wait implementation
__cxx_atomic_thread_fence(memory_order_seq_cst);
// We sleep as long as the monitored value hasn't changed.
__libcpp_platform_wait_on_address(__platform_state, __old_value);
__cxx_atomic_fetch_sub(__contention_state, __cxx_contention_t(1), memory_order_release);
__platform_wait_on_address<_Size>(__address_to_wait, __old_value);
__cxx_atomic_fetch_sub(__waiter_count, __cxx_contention_t(1), memory_order_release);
}
#if defined(__APPLE__) && defined(__aarch64__)
static constexpr size_t __cache_line_size = 128;
#elif defined(__cpp_lib_hardware_interference_size)
static constexpr size_t __cache_line_size = std::hardware_constructive_interference_size;
#else
static constexpr size_t __cache_line_size = 64;
#endif
static constexpr size_t __contention_table_size = (1 << 8); /* < there's no magic in this number */
static constexpr hash<void const*> __contention_hasher;
// Waiter count table for all atomics with the correct size that use itself as the wait/notify address.
struct alignas(__cache_line_size) /* aim to avoid false sharing */ __contention_state_native {
__cxx_atomic_contention_t __waiter_count;
constexpr __contention_state_native() : __waiter_count(0) {}
};
static __contention_state_native __contention_table_native[__contention_table_size];
static __cxx_atomic_contention_t* __get_native_waiter_count(void const* p) {
return &__contention_table_native[__contention_hasher(p) & (__contention_table_size - 1)].__waiter_count;
}
// Global contention table for all atomics with the wrong size that use the global table's atomic as wait/notify
// address.
struct alignas(__cache_line_size) /* aim to avoid false sharing */ __contention_state_global {
__cxx_atomic_contention_t __waiter_count;
__cxx_atomic_contention_t __platform_state;
constexpr __contention_state_global() : __waiter_count(0), __platform_state(0) {}
};
static __contention_state_global __contention_table_global[__contention_table_size];
static __contention_state_global* __get_global_contention_state(void const* p) {
return &__contention_table_global[__contention_hasher(p) & (__contention_table_size - 1)];
}
/* When the incoming atomic is the wrong size for the platform wait size, need to
launder the value sequence through an atomic from our table. */
static void __libcpp_atomic_notify(void const volatile* __location) {
auto const __entry = __libcpp_contention_state(__location);
static void __atomic_notify_global_table(void const* __location) {
auto const __entry = __get_global_contention_state(__location);
// The value sequence laundering happens on the next line below.
__cxx_atomic_fetch_add(&__entry->__platform_state, __cxx_contention_t(1), memory_order_seq_cst);
__libcpp_contention_notify(
&__entry->__contention_state,
&__entry->__platform_state,
false /* when laundering, we can't handle notify_one */);
__contention_notify<sizeof(__cxx_atomic_contention_t)>(
&__entry->__waiter_count, &__entry->__platform_state, false /* when laundering, we can't handle notify_one */);
}
// =============================
// New dylib exported symbols
// =============================
// global
_LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t __atomic_monitor_global(void const* __location) noexcept {
auto const __entry = __get_global_contention_state(__location);
return __cxx_atomic_load(&__entry->__platform_state, memory_order_acquire);
}
_LIBCPP_EXPORTED_FROM_ABI void
__atomic_wait_global_table(void const* __location, __cxx_contention_t __old_value) noexcept {
auto const __entry = __get_global_contention_state(__location);
__contention_wait<sizeof(__cxx_atomic_contention_t)>(
&__entry->__waiter_count, &__entry->__platform_state, &__old_value);
}
_LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_one_global_table(void const* __location) noexcept {
__atomic_notify_global_table(__location);
}
_LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_all_global_table(void const* __location) noexcept {
__atomic_notify_global_table(__location);
}
// native
template <std::size_t _Size>
_LIBCPP_EXPORTED_FROM_ABI void __atomic_wait_native(void const* __address, void const* __old_value) noexcept {
__contention_wait<_Size>(__get_native_waiter_count(__address), __address, __old_value);
}
template <std::size_t _Size>
_LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_one_native(void const* __location) noexcept {
__contention_notify<_Size>(__get_native_waiter_count(__location), __location, true);
}
template <std::size_t _Size>
_LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_all_native(void const* __location) noexcept {
__contention_notify<_Size>(__get_native_waiter_count(__location), __location, false);
}
// ==================================================
// Instantiation of the templates with supported size
// ==================================================
#if defined(_LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE)
# define _INSTANTIATE(_SIZE) \
template _LIBCPP_EXPORTED_FROM_ABI void __atomic_wait_native<_SIZE>(void const*, void const*) noexcept; \
template _LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_one_native<_SIZE>(void const*) noexcept; \
template _LIBCPP_EXPORTED_FROM_ABI void __atomic_notify_all_native<_SIZE>(void const*) noexcept;
_LIBCPP_NATIVE_PLATFORM_WAIT_SIZES(_INSTANTIATE)
# undef _INSTANTIATE
#else // _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
template _LIBCPP_EXPORTED_FROM_ABI void
__atomic_wait_native<sizeof(__cxx_contention_t)>(void const* __address, void const* __old_value) noexcept;
template _LIBCPP_EXPORTED_FROM_ABI void
__atomic_notify_one_native<sizeof(__cxx_contention_t)>(void const* __location) noexcept;
template _LIBCPP_EXPORTED_FROM_ABI void
__atomic_notify_all_native<sizeof(__cxx_contention_t)>(void const* __location) noexcept;
#endif // _LIBCPP_ABI_ATOMIC_WAIT_NATIVE_BY_SIZE
// =============================================================
// Old dylib exported symbols, for backwards compatibility
// =============================================================
_LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_one(void const volatile* __location) noexcept {
__libcpp_atomic_notify(__location);
__atomic_notify_global_table(const_cast<void const*>(__location));
}
_LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_all(void const volatile* __location) noexcept {
__libcpp_atomic_notify(__location);
__atomic_notify_global_table(const_cast<void const*>(__location));
}
_LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t __libcpp_atomic_monitor(void const volatile* __location) noexcept {
auto const __entry = __libcpp_contention_state(__location);
return __libcpp_contention_monitor_for_wait(&__entry->__contention_state, &__entry->__platform_state);
auto const __entry = __get_global_contention_state(const_cast<void const*>(__location));
return __cxx_atomic_load(&__entry->__platform_state, memory_order_acquire);
}
_LIBCPP_EXPORTED_FROM_ABI void
__libcpp_atomic_wait(void const volatile* __location, __cxx_contention_t __old_value) noexcept {
auto const __entry = __libcpp_contention_state(__location);
__libcpp_contention_wait(&__entry->__contention_state, &__entry->__platform_state, __old_value);
auto const __entry = __get_global_contention_state(const_cast<void const*>(__location));
__contention_wait<sizeof(__cxx_atomic_contention_t)>(
&__entry->__waiter_count, &__entry->__platform_state, &__old_value);
}
/* When the incoming atomic happens to be the platform wait size, we still need to use the
table for the contention detection, but we can use the atomic directly for the wait. */
_LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_one(__cxx_atomic_contention_t const volatile* __location) noexcept {
__libcpp_contention_notify(&__libcpp_contention_state(__location)->__contention_state, __location, true);
auto __location_cast = const_cast<const void*>(static_cast<const volatile void*>(__location));
__contention_notify<sizeof(__cxx_atomic_contention_t)>(
__get_native_waiter_count(__location_cast), __location_cast, true);
}
_LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_all(__cxx_atomic_contention_t const volatile* __location) noexcept {
__libcpp_contention_notify(&__libcpp_contention_state(__location)->__contention_state, __location, false);
}
// This function is never used, but still exported for ABI compatibility.
_LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t
__libcpp_atomic_monitor(__cxx_atomic_contention_t const volatile* __location) noexcept {
return __libcpp_contention_monitor_for_wait(&__libcpp_contention_state(__location)->__contention_state, __location);
auto __location_cast = const_cast<const void*>(static_cast<const volatile void*>(__location));
__contention_notify<sizeof(__cxx_atomic_contention_t)>(
__get_native_waiter_count(__location_cast), __location_cast, false);
}
_LIBCPP_EXPORTED_FROM_ABI void
__libcpp_atomic_wait(__cxx_atomic_contention_t const volatile* __location, __cxx_contention_t __old_value) noexcept {
__libcpp_contention_wait(&__libcpp_contention_state(__location)->__contention_state, __location, __old_value);
auto __location_cast = const_cast<const void*>(static_cast<const volatile void*>(__location));
__contention_wait<sizeof(__cxx_atomic_contention_t)>(
__get_native_waiter_count(__location_cast), __location_cast, &__old_value);
}
// this function is even unused in the old ABI
_LIBCPP_EXPORTED_FROM_ABI __cxx_contention_t
__libcpp_atomic_monitor(__cxx_atomic_contention_t const volatile* __location) noexcept {
return __cxx_atomic_load(__location, memory_order_acquire);
}
_LIBCPP_END_NAMESPACE_STD

4
libcxx/test/libcxx/atomics/atomics.syn/wait.issue_85107.pass.cpp
View File

@@ -41,7 +41,11 @@ int main(int, char**) {
// This would hang forever if the bug is present, but the test will fail in a bounded amount of
// time due to the timeout above.
#if _LIBCPP_AVAILABILITY_HAS_NEW_SYNC
std::__atomic_wait_native<sizeof(std::__cxx_atomic_contention_t)>(&ct, &old_val);
#else
std::__libcpp_atomic_wait(&ct, old_val);
#endif
done = true;
timeout_thread.join();

57
libcxx/test/std/atomics/atomics.types.operations/atomics.types.operations.wait/lost_wakeup.pass.cpp Normal file
View File

@@ -0,0 +1,57 @@
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: no-threads
// UNSUPPORTED: c++03, c++11, c++14, c++17
// This is a stress test for std::atomic::wait for lost wake ups.
// <atomic>
#include <atomic>
#include <functional>
#include <thread>
#include <vector>
#include "make_test_thread.h"
constexpr int num_waiters = 8;
constexpr int num_iterations = 10'000;
int main(int, char**) {
for (int run = 0; run < 20; ++run) {
std::atomic<int> waiter_ready(0);
std::atomic<int> state(0);
auto wait = [&]() {
for (int i = 0; i < num_iterations; ++i) {
auto old_state = state.load();
waiter_ready.fetch_add(1);
state.wait(old_state);
}
};
auto notify = [&] {
for (int i = 0; i < num_iterations; ++i) {
while (waiter_ready.load() < num_waiters) {
}
waiter_ready.store(0);
state.fetch_add(1);
state.notify_all();
}
};
std::vector<std::jthread> threads;
for (int i = 0; i < num_waiters; ++i)
threads.push_back(support::make_test_jthread(wait));
threads.push_back(support::make_test_jthread(notify));
}
return 0;
}