[libcxx-commits] [libcxx] f6bdc92 - [libc++][AIX] Enable LIBCPP_SHARED_PTR_DEFINE_LEGACY_INLINE_FUNCTIONS on AIX (#179784)

via libcxx-commits libcxx-commits at lists.llvm.org
Wed Feb 11 10:03:22 PST 2026 

Author: Xing Xue
Date: 2026-02-11T13:03:15-05:00
New Revision: f6bdc928a881fafd5e12cdfc72c66030a1aad233

URL: https://github.com/llvm/llvm-project/commit/f6bdc928a881fafd5e12cdfc72c66030a1aad233
DIFF: https://github.com/llvm/llvm-project/commit/f6bdc928a881fafd5e12cdfc72c66030a1aad233.diff

LOG: [libc++][AIX] Enable LIBCPP_SHARED_PTR_DEFINE_LEGACY_INLINE_FUNCTIONS on AIX (#179784)

This PR enables the `LIBCPP_SHARED_PTR_DEFINE_LEGACY_INLINE_FUNCTIONS`
macro on AIX because the functions guarded by this macro are required for
backward compatibility.

Added: 
    

Modified: 
    libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
    libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
    libcxx/src/memory.cpp

Removed: 
    


################################################################################
diff  --git a/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
index 1224f51e17687..c4b8a79985be5 100644
--- a/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/powerpc-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -425,6 +425,8 @@
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base14__format_floatEPcPKcj', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base18__identify_paddingEPcS1_RKNS_8ios_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_count12__add_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_count16__release_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_countD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_countD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_countD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -539,7 +541,10 @@
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_mutex_base8try_lockEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_mutex_baseC1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_mutex_baseC2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count10__add_weakEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count12__add_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count14__release_weakEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count16__release_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count4lockEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_countD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_countD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}

diff  --git a/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist b/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
index 934505b18a64b..8daf957e6e55f 100644
--- a/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
+++ b/libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist
@@ -425,6 +425,8 @@
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base12__format_intEPcPKcbj', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base14__format_floatEPcPKcj', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__num_put_base18__identify_paddingEPcS1_RKNS_8ios_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_count12__add_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_count16__release_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_countD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_countD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__114__shared_countD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
@@ -539,7 +541,10 @@
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_mutex_base8try_lockEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_mutex_baseC1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_mutex_baseC2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count10__add_weakEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count12__add_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count14__release_weakEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count16__release_sharedEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_count4lockEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_countD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__119__shared_weak_countD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}

diff  --git a/libcxx/src/memory.cpp b/libcxx/src/memory.cpp
index 61aa89d58afd2..764dfc64bf0b5 100644
--- a/libcxx/src/memory.cpp
+++ b/libcxx/src/memory.cpp
@@ -7,8 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include <__config>
-#if !defined(_LIBCPP_OBJECT_FORMAT_COFF) && !defined(_LIBCPP_OBJECT_FORMAT_XCOFF) &&                                   \
-    _LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION < 5
+#if !defined(_LIBCPP_OBJECT_FORMAT_COFF) && _LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION < 5
 #  define _LIBCPP_SHARED_PTR_DEFINE_LEGACY_INLINE_FUNCTIONS
 #endif

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