[libc++] Mark some std::num_get method templates inline

D29157 will make explicit template instantiations expand to default
visibility, at which point these method templates will need to be
explicitly marked hidden visibility to avoid leaking into other DSOs.
Unfortunately, because of clang PR32114, they must be marked inline (in
conjunction with `-fvisibility-inlines-hidden`) to actually hide them,
since clang doesn't respect the hidden visibility annotation.

Since this involves an ABI change, mark these methods inline in a
separate change, so that the ABI changes can be reviewed separately and
verified to be safe.

Differential Revision: https://reviews.llvm.org/D30523

llvm-svn: 296729
This commit is contained in:
Shoaib Meenai 2017-03-02 02:51:27 +00:00
parent 1fd02112df
commit a528e74735
3 changed files with 40 additions and 22 deletions

View File

@ -623,17 +623,17 @@ protected:
~num_get() {}
template <class _Fp>
iter_type __do_get_floating_point
inline iter_type __do_get_floating_point
(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, _Fp& __v) const;
template <class _Signed>
iter_type __do_get_signed
inline iter_type __do_get_signed
(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, _Signed& __v) const;
template <class _Unsigned>
iter_type __do_get_unsigned
inline iter_type __do_get_unsigned
(iter_type __b, iter_type __e, ios_base& __iob,
ios_base::iostate& __err, _Unsigned& __v) const;

View File

@ -12,6 +12,42 @@ Afterwards the ABI list should be updated to include the new changes.
New entries should be added directly below the "Version" header.
-----------
Version 5.0
-----------
* rTBD - Remove std::num_get template methods which should be inline
These functions should never have had visible definitions in the dylib but
since they were previously not specified with 'inline' they accidentally
got emitted. This change is non-ABI breaking because every "linkage unit"
must contain its own definition.
x86_64-linux-gnu
----------------
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE15__do_get_signedIlEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE15__do_get_signedIxEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedIjEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedImEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedItEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedIyEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE23__do_get_floating_pointIdEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE23__do_get_floating_pointIeEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE23__do_get_floating_pointIfEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE15__do_get_signedIlEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE15__do_get_signedIxEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedIjEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedImEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedItEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedIyEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE23__do_get_floating_pointIdEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE23__do_get_floating_pointIeEES4_S4_S4_RNS_8ios_baseERjRT_
SYMBOL REMOVED: _ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE23__do_get_floating_pointIfEES4_S4_S4_RNS_8ios_baseERjRT_
x86_64-apple-darwin16.0
-----------------------
No changes
-----------
Version 4.0
-----------
@ -47,7 +83,7 @@ Version 4.0
Symbol added: _ZTSSt18bad_variant_access
Symbol added: _ZNKSt18bad_variant_access4whatEv
* rTBD - Remove std::string::append template methods which should be inline
* r285537 - Remove std::string::append template methods which should be inline
These functions should never have had visible definitions in the dylib but
since they were previously not specified with 'inline' they accidentally

View File

@ -312,15 +312,6 @@
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{'is_defined': True, 'name': '_ZNKSt3__17collateIwE12do_transformEPKwS3_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17collateIwE7do_hashEPKwS3_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE15__do_get_signedIlEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE15__do_get_signedIxEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedIjEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedImEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedItEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE17__do_get_unsignedIyEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE23__do_get_floating_pointIdEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE23__do_get_floating_pointIeEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE23__do_get_floating_pointIfEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE6do_getES4_S4_RNS_8ios_baseERjRPv', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE6do_getES4_S4_RNS_8ios_baseERjRb', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE6do_getES4_S4_RNS_8ios_baseERjRd', 'type': 'FUNC'}
@ -332,15 +323,6 @@
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE6do_getES4_S4_RNS_8ios_baseERjRx', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE6do_getES4_S4_RNS_8ios_baseERjRy', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEE6do_getES4_S4_RNS_8ios_baseERjS8_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE15__do_get_signedIlEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE15__do_get_signedIxEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedIjEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedImEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedItEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
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