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Commit 4e7a2c6f by Benjamin Kosnik Committed by Benjamin Kosnik
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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
parent c524ed5d
Showing with 103 additions and 62 deletions
libstdc++-v3/ChangeLog
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.
2003-03-04 Jerry Quinn <jlquinn@optonline.net>
* src/ios.cc (ios_base::_M_grow_words): Don't delete _M_word on
......
libstdc++-v3/config/linker-map.gnu
......@@ -130,12 +130,48 @@ GLIBCPP_3.4 {
_ZdaPvRKSt9nothrow_t;
# vtable
_ZTV*;
_ZTT*;
_ZTVN9__gnu_cxx*;
_ZTVNSt8ios_base7failureE;
_ZTVNSt6locale5facetE;
_ZTVS[a-z];
_ZTVSt[0-9][A-Za-z]*;
_ZTVSt[0-9][0-9][A-Za-z]*;
_ZTVSt11__timepunctI[cw]E;
_ZTVSt23__codecvt_abstract_baseI[cw]c11__mbstate_tE;
_ZTVSt21__ctype_abstract_baseI[cw]E;
_ZTTS[a-z];
_ZTTSt[0-9][A-Za-z]*;
_ZTTSt[0-9][0-9][A-Za-z]*;
# typeinfo
_ZTI*;
_ZTS*;
_ZTI[a-z];
_ZTINSt8ios_base7failureE;
_ZTINSt6locale5facetE;
_ZTIN9__gnu_cxx*;
_ZTIP[a-z];
_ZTIPK[a-z];
_ZTIS[a-z];
_ZTISt[0-9][A-Za-z]*;
_ZTISt[0-9][0-9][A-Za-z]*;
_ZTISt11__timepunctI[cw]E;
_ZTISt10__num_base;
_ZTISt21__ctype_abstract_baseI[cw]E;
_ZTISt23__codecvt_abstract_baseI[cw]c11__mbstate_tE;
_ZTS[a-z];
_ZTSNSt8ios_base7failureE;
_ZTSNSt6locale5facetE;
_ZTSN9__gnu_cxx*;
_ZTSP[a-z];
_ZTSPK[a-z];
_ZTSS[a-z];
_ZTSSt[0-9][A-Za-z]*;
_ZTSSt[0-9][0-9][A-Za-z]*;
_ZTSSt11__timepunctI[cw]E;
_ZTSSt10__num_base;
_ZTSSt21__ctype_abstract_baseI[cw]E;
_ZTSSt23__codecvt_abstract_baseI[cw]c11__mbstate_tE;
# function-scope static objects requires a guard variable.
_ZGV*;
......@@ -225,6 +261,13 @@ CXXABI_1.3 {
# __gnu_cxx::_verbose_terminate_handler()
_ZN9__gnu_cxx27__verbose_terminate_handlerEv;
# typeinfo
_ZTIN10__cxxabi*;
_ZTSN10__cxxabi*;
# vtable
_ZTVN10__cxxabi*;
local:
*;
};
libstdc++-v3/src/globals.cc
......@@ -41,13 +41,60 @@
// time. This file contains definitions of all global variables that
// require initialization as arrays of characters.
// Because <iostream> declares the standard streams to be [io]stream
// types instead of say [io]fstream types, it is also necessary to
// allocate the actual file buffers in this file.
// NB: asm directives can rename these non-exported, namespace
// __gnu_cxx symbols into exported, namespace std symbols with the
// appropriate symbol version name.
// The rename syntax is
// asm (".symver currentname,oldname@@GLIBCPP_3.2")
// In macro form:
// _GLIBCPP_ASM_SYMVER(currentname, oldname, GLIBCPP_3.2)
namespace std
{
// Standard stream objects.
// NB: Iff <iostream> is included, these definitions become wonky.
typedef char fake_istream[sizeof(istream)]
__attribute__ ((aligned(__alignof__(istream))));
typedef char fake_ostream[sizeof(ostream)]
__attribute__ ((aligned(__alignof__(ostream))));
fake_istream cin;
fake_ostream cout;
fake_ostream cerr;
fake_ostream clog;
#ifdef _GLIBCPP_USE_WCHAR_T
typedef char fake_wistream[sizeof(wistream)]
__attribute__ ((aligned(__alignof__(wistream))));
typedef char fake_wostream[sizeof(wostream)]
__attribute__ ((aligned(__alignof__(wostream))));
fake_wistream wcin;
fake_wostream wcout;
fake_wostream wcerr;
fake_wostream wclog;
#endif
} // namespace std
namespace __gnu_cxx
{
using namespace std;
// Because <iostream> declares the standard streams to be [io]stream
// types instead of say [io]fstream types, it is also necessary to
// allocate the actual file buffers in this file.
typedef char fake_filebuf[sizeof(stdio_filebuf<char>)]
__attribute__ ((aligned(__alignof__(stdio_filebuf<char>))));
fake_filebuf buf_cout;
fake_filebuf buf_cin;
fake_filebuf buf_cerr;
#ifdef _GLIBCPP_USE_WCHAR_T
typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)]
__attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>))));
fake_wfilebuf buf_wcout;
fake_wfilebuf buf_wcin;
fake_wfilebuf buf_wcerr;
#endif
typedef char fake_facet_name[sizeof(char*)]
__attribute__ ((aligned(__alignof__(char*))));
fake_facet_name facet_name[6 + _GLIBCPP_NUM_CATEGORIES];
......@@ -56,27 +103,10 @@ namespace __gnu_cxx
__attribute__ ((aligned(__alignof__(locale::_Impl))));
fake_locale_Impl c_locale_impl;
// NB: The asm directives renames these non-exported, namespace
// __gnu_cxx symbols into the mistakenly exported, namespace std
// symbols in GLIBCPP_3.2.
// The rename syntax is
// asm (".symver currentname,oldname@@GLIBCPP_3.2")
// At the same time, these new __gnu_cxx symbols are not exported.
// In the future, GLIBCXX_ABI > 5 should remove all uses of
// _GLIBCPP_ASM_SYMVER in this file.
typedef char fake_locale[sizeof(locale)]
__attribute__ ((aligned(__alignof__(locale))));
fake_locale c_locale;
// GLIBCXX_ABI > 5 will not need this symbol at all.
// It's here just as a placeholder, as the size of this exported
// object changed. The new symbol is not exported.
const int o = sizeof(locale::_Impl) - sizeof(char*[_GLIBCPP_NUM_CATEGORIES]);
typedef char fake_locale_Impl_compat[o]
__attribute__ ((aligned(__alignof__(o))));
fake_locale_Impl_compat c_locale_impl_compat;
typedef char fake_facet_vec[sizeof(locale::facet*)]
__attribute__ ((aligned(__alignof__(locale::facet*))));
fake_facet_vec facet_vec[_GLIBCPP_NUM_FACETS];
......@@ -189,20 +219,6 @@ namespace __gnu_cxx
fake_messages_w messages_w;
#endif
typedef char fake_filebuf[sizeof(stdio_filebuf<char>)]
__attribute__ ((aligned(__alignof__(stdio_filebuf<char>))));
fake_filebuf buf_cout;
fake_filebuf buf_cin;
fake_filebuf buf_cerr;
#ifdef _GLIBCPP_USE_WCHAR_T
typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)]
__attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>))));
fake_wfilebuf buf_wcout;
fake_wfilebuf buf_wcin;
fake_wfilebuf buf_wcerr;
#endif
// Globals for once-only runtime initialization of mutex objects. This
// allows static initialization of these objects on systems that need a
// function call to initialize a mutex. For example, see stl_threads.h.
......@@ -226,27 +242,3 @@ namespace __gnu_cxx
{ __GTHREAD_MUTEX_INIT_FUNCTION (_GLIBCPP_mutex_address); }
#endif
} // namespace __gnu_cxx
namespace std
{
// Standard stream objects.
typedef char fake_istream[sizeof(istream)]
__attribute__ ((aligned(__alignof__(istream))));
typedef char fake_ostream[sizeof(ostream)]
__attribute__ ((aligned(__alignof__(ostream))));
fake_istream cin;
fake_ostream cout;
fake_ostream cerr;
fake_ostream clog;
#ifdef _GLIBCPP_USE_WCHAR_T
typedef char fake_wistream[sizeof(wistream)]
__attribute__ ((aligned(__alignof__(wistream))));
typedef char fake_wostream[sizeof(wostream)]
__attribute__ ((aligned(__alignof__(wostream))));
fake_wistream wcin;
fake_wostream wcout;
fake_wostream wcerr;
fake_wostream wclog;
#endif
} // namespace std
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