[libcxx] r296729 - [libc++] Mark some std::num_get method templates inline

Shoaib Meenai via cfe-commits cfe-commits at lists.llvm.org
Wed Mar 1 18:51:27 PST 2017


Author: smeenai
Date: Wed Mar  1 20:51:27 2017
New Revision: 296729

URL: http://llvm.org/viewvc/llvm-project?rev=296729&view=rev
Log:
[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

Modified:
    libcxx/trunk/include/locale
    libcxx/trunk/lib/abi/CHANGELOG.TXT
    libcxx/trunk/lib/abi/x86_64-unknown-linux-gnu.abilist

Modified: libcxx/trunk/include/locale
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/locale?rev=296729&r1=296728&r2=296729&view=diff
==============================================================================
--- libcxx/trunk/include/locale (original)
+++ libcxx/trunk/include/locale Wed Mar  1 20:51:27 2017
@@ -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;
 

Modified: libcxx/trunk/lib/abi/CHANGELOG.TXT
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/lib/abi/CHANGELOG.TXT?rev=296729&r1=296728&r2=296729&view=diff
==============================================================================
--- libcxx/trunk/lib/abi/CHANGELOG.TXT (original)
+++ libcxx/trunk/lib/abi/CHANGELOG.TXT Wed Mar  1 20:51:27 2017
@@ -13,6 +13,42 @@ Afterwards the ABI list should be update
 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

Modified: libcxx/trunk/lib/abi/x86_64-unknown-linux-gnu.abilist
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/lib/abi/x86_64-unknown-linux-gnu.abilist?rev=296729&r1=296728&r2=296729&view=diff
==============================================================================
--- libcxx/trunk/lib/abi/x86_64-unknown-linux-gnu.abilist (original)
+++ libcxx/trunk/lib/abi/x86_64-unknown-linux-gnu.abilist Wed Mar  1 20:51:27 2017
@@ -312,15 +312,6 @@
 {'is_defined': True, 'name': '_ZNKSt3__17collateIwE10do_compareEPKwS3_S3_S3_', 'type': 'FUNC'}
 {'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'}
-{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE17__do_get_unsignedIyEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
-{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE23__do_get_floating_pointIdEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
-{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE23__do_get_floating_pointIeEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
-{'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE23__do_get_floating_pointIfEES4_S4_S4_RNS_8ios_baseERjRT_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE6do_getES4_S4_RNS_8ios_baseERjRPv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE6do_getES4_S4_RNS_8ios_baseERjRb', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNKSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEE6do_getES4_S4_RNS_8ios_baseERjRd', 'type': 'FUNC'}




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