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globals.cc: Clarify comments, remove c_locale_imp_compat.
2003-03-04 Benjamin Kosnik <bkoz@redhat.com> * src/globals.cc: Clarify comments, remove c_locale_imp_compat. * config/linker-map.gnu: Filter typeinfo and vtable info. From-SVN: r63826
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Benjamin Kosnik
Benjamin Kosnik
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commit
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@ -1,3 +1,9 @@
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2003-03-04 Benjamin Kosnik <bkoz@redhat.com>
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* src/globals.cc: Clarify comments, remove c_locale_imp_compat.
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* config/linker-map.gnu: Filter typeinfo and vtable info.
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2003-03-04 Jerry Quinn <jlquinn@optonline.net>
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* src/ios.cc (ios_base::_M_grow_words): Don't delete _M_word on
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@ -130,12 +130,48 @@ GLIBCPP_3.4 {
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_ZdaPvRKSt9nothrow_t;
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# vtable
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_ZTV*;
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_ZTT*;
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_ZTVN9__gnu_cxx*;
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_ZTVNSt8ios_base7failureE;
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_ZTVNSt6locale5facetE;
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_ZTVS[a-z];
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_ZTVSt[0-9][A-Za-z]*;
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_ZTVSt[0-9][0-9][A-Za-z]*;
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_ZTVSt11__timepunctI[cw]E;
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_ZTVSt23__codecvt_abstract_baseI[cw]c11__mbstate_tE;
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_ZTVSt21__ctype_abstract_baseI[cw]E;
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_ZTTS[a-z];
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_ZTTSt[0-9][A-Za-z]*;
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_ZTTSt[0-9][0-9][A-Za-z]*;
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# typeinfo
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_ZTI*;
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_ZTS*;
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_ZTI[a-z];
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_ZTINSt8ios_base7failureE;
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_ZTINSt6locale5facetE;
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_ZTIN9__gnu_cxx*;
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_ZTIP[a-z];
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_ZTIPK[a-z];
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_ZTIS[a-z];
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_ZTISt[0-9][A-Za-z]*;
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_ZTISt[0-9][0-9][A-Za-z]*;
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_ZTISt11__timepunctI[cw]E;
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_ZTISt10__num_base;
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_ZTISt21__ctype_abstract_baseI[cw]E;
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_ZTISt23__codecvt_abstract_baseI[cw]c11__mbstate_tE;
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_ZTS[a-z];
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_ZTSNSt8ios_base7failureE;
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_ZTSNSt6locale5facetE;
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_ZTSN9__gnu_cxx*;
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_ZTSP[a-z];
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_ZTSPK[a-z];
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_ZTSS[a-z];
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_ZTSSt[0-9][A-Za-z]*;
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_ZTSSt[0-9][0-9][A-Za-z]*;
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_ZTSSt11__timepunctI[cw]E;
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_ZTSSt10__num_base;
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_ZTSSt21__ctype_abstract_baseI[cw]E;
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_ZTSSt23__codecvt_abstract_baseI[cw]c11__mbstate_tE;
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# function-scope static objects requires a guard variable.
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_ZGV*;
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@ -225,6 +261,13 @@ CXXABI_1.3 {
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# __gnu_cxx::_verbose_terminate_handler()
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_ZN9__gnu_cxx27__verbose_terminate_handlerEv;
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# typeinfo
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_ZTIN10__cxxabi*;
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_ZTSN10__cxxabi*;
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# vtable
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_ZTVN10__cxxabi*;
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local:
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*;
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};
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@ -41,13 +41,60 @@
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// time. This file contains definitions of all global variables that
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// require initialization as arrays of characters.
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// Because <iostream> declares the standard streams to be [io]stream
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// types instead of say [io]fstream types, it is also necessary to
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// allocate the actual file buffers in this file.
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// NB: asm directives can rename these non-exported, namespace
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// __gnu_cxx symbols into exported, namespace std symbols with the
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// appropriate symbol version name.
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// The rename syntax is
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// asm (".symver currentname,oldname@@GLIBCPP_3.2")
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// In macro form:
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// _GLIBCPP_ASM_SYMVER(currentname, oldname, GLIBCPP_3.2)
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namespace std
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{
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// Standard stream objects.
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// NB: Iff <iostream> is included, these definitions become wonky.
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typedef char fake_istream[sizeof(istream)]
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__attribute__ ((aligned(__alignof__(istream))));
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typedef char fake_ostream[sizeof(ostream)]
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__attribute__ ((aligned(__alignof__(ostream))));
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fake_istream cin;
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fake_ostream cout;
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fake_ostream cerr;
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fake_ostream clog;
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#ifdef _GLIBCPP_USE_WCHAR_T
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typedef char fake_wistream[sizeof(wistream)]
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__attribute__ ((aligned(__alignof__(wistream))));
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typedef char fake_wostream[sizeof(wostream)]
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__attribute__ ((aligned(__alignof__(wostream))));
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fake_wistream wcin;
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fake_wostream wcout;
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fake_wostream wcerr;
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fake_wostream wclog;
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#endif
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} // namespace std
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namespace __gnu_cxx
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{
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using namespace std;
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// Because <iostream> declares the standard streams to be [io]stream
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// types instead of say [io]fstream types, it is also necessary to
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// allocate the actual file buffers in this file.
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typedef char fake_filebuf[sizeof(stdio_filebuf<char>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<char>))));
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fake_filebuf buf_cout;
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fake_filebuf buf_cin;
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fake_filebuf buf_cerr;
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#ifdef _GLIBCPP_USE_WCHAR_T
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typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>))));
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fake_wfilebuf buf_wcout;
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fake_wfilebuf buf_wcin;
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fake_wfilebuf buf_wcerr;
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#endif
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typedef char fake_facet_name[sizeof(char*)]
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__attribute__ ((aligned(__alignof__(char*))));
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fake_facet_name facet_name[6 + _GLIBCPP_NUM_CATEGORIES];
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@ -56,27 +103,10 @@ namespace __gnu_cxx
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__attribute__ ((aligned(__alignof__(locale::_Impl))));
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fake_locale_Impl c_locale_impl;
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// NB: The asm directives renames these non-exported, namespace
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// __gnu_cxx symbols into the mistakenly exported, namespace std
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// symbols in GLIBCPP_3.2.
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// The rename syntax is
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// asm (".symver currentname,oldname@@GLIBCPP_3.2")
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// At the same time, these new __gnu_cxx symbols are not exported.
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// In the future, GLIBCXX_ABI > 5 should remove all uses of
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// _GLIBCPP_ASM_SYMVER in this file.
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typedef char fake_locale[sizeof(locale)]
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__attribute__ ((aligned(__alignof__(locale))));
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fake_locale c_locale;
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// GLIBCXX_ABI > 5 will not need this symbol at all.
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// It's here just as a placeholder, as the size of this exported
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// object changed. The new symbol is not exported.
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const int o = sizeof(locale::_Impl) - sizeof(char*[_GLIBCPP_NUM_CATEGORIES]);
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typedef char fake_locale_Impl_compat[o]
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__attribute__ ((aligned(__alignof__(o))));
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fake_locale_Impl_compat c_locale_impl_compat;
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typedef char fake_facet_vec[sizeof(locale::facet*)]
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__attribute__ ((aligned(__alignof__(locale::facet*))));
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fake_facet_vec facet_vec[_GLIBCPP_NUM_FACETS];
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@ -189,20 +219,6 @@ namespace __gnu_cxx
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fake_messages_w messages_w;
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#endif
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typedef char fake_filebuf[sizeof(stdio_filebuf<char>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<char>))));
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fake_filebuf buf_cout;
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fake_filebuf buf_cin;
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fake_filebuf buf_cerr;
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#ifdef _GLIBCPP_USE_WCHAR_T
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typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>))));
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fake_wfilebuf buf_wcout;
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fake_wfilebuf buf_wcin;
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fake_wfilebuf buf_wcerr;
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#endif
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// Globals for once-only runtime initialization of mutex objects. This
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// allows static initialization of these objects on systems that need a
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// function call to initialize a mutex. For example, see stl_threads.h.
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@ -226,27 +242,3 @@ namespace __gnu_cxx
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{ __GTHREAD_MUTEX_INIT_FUNCTION (_GLIBCPP_mutex_address); }
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#endif
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} // namespace __gnu_cxx
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namespace std
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{
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// Standard stream objects.
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typedef char fake_istream[sizeof(istream)]
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__attribute__ ((aligned(__alignof__(istream))));
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typedef char fake_ostream[sizeof(ostream)]
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__attribute__ ((aligned(__alignof__(ostream))));
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fake_istream cin;
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fake_ostream cout;
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fake_ostream cerr;
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fake_ostream clog;
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#ifdef _GLIBCPP_USE_WCHAR_T
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typedef char fake_wistream[sizeof(wistream)]
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__attribute__ ((aligned(__alignof__(wistream))));
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typedef char fake_wostream[sizeof(wostream)]
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__attribute__ ((aligned(__alignof__(wostream))));
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fake_wistream wcin;
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fake_wostream wcout;
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fake_wostream wcerr;
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fake_wostream wclog;
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#endif
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} // namespace std
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