Date: Sun, 27 Jan 2013 15:17:51 +0000 From: David Chisnall <theraven@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: toolchain@FreeBSD.org Subject: Re: C++ runtime version patch for testing Message-ID: <90749775-2C2E-4E8B-9BC2-670BE5F2798B@FreeBSD.org> In-Reply-To: <20130127150313.GM2522@kib.kiev.ua> References: <EDDAA896-D752-450F-89A0-4831FB016AC5@FreeBSD.org> <20130127150313.GM2522@kib.kiev.ua>
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On 27 Jan 2013, at 15:03, Konstantin Belousov wrote:
> On Sun, Jan 27, 2013 at 01:28:44PM +0000, David Chisnall wrote:
>> + std::set_new_handler*;
> What are the symbols you assigning the version there ? I cannot find
> anything in the libstdc++.so export list which would match the line.
std::set_new_handler(void (*)())
# objdump -T /usr/lib/libsupc++.so | c++filt | grep new_h
0000000000009010 __float128 DF .text 000000000000000e GLIBCXX_3.4 =
std::set_new_handler(void (*)())
>> + std::set_terminate*;
>> + std::set_unexpected*;
>> + std::bad_alloc*;
>> +
>> + std::bad_alloc*;
> std::bad_alloc seems to be duplicated.
Thanks, removed.
> Besides that, pristine libstdc++.so exports 'std::bad_alloc::what() =
const'
> at the GLIBCXX_3.4.9 namespace. You did this for the *::what()' from
> libcxxrt but not for the libsupc++.
Ooops. I wrote a script that checked for version mismatches, but for =
some reason I missed this one. Running it again, it shows two =
mismatches, both fixed in the new version of the diff.
>> + std::bad_cast*;
>> + std::exception*;
>> +
>> + "typeinfo for std::bad_alloc";
>> + "typeinfo for std::bad_cast";
>> + "typeinfo for std::exception";
>> +
>> + "typeinfo name for std::bad_alloc";
>> + "typeinfo name for std::bad_cast";
>> + "typeinfo name for std::exception";
>> +
>> + "vtable for std::bad_alloc";
>> + "vtable for std::bad_cast";
>> + "vtable for std::exception";
>> + };
>> };
>>=20
>> CXXABI_1.3.1 {
>> Index: lib/libcxxrt/Version.map
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> --- lib/libcxxrt/Version.map (revision 245840)
>> +++ lib/libcxxrt/Version.map (working copy)
>> @@ -209,18 +209,7 @@
>>=20
>> "std::type_info::type_info(std::type_info const&)";
>> "std::type_info::type_info(std::type_info const&)";
>> - "std::type_info::~type_info()";
>> - "std::type_info::~type_info()";
>> - "std::type_info::~type_info()";
>> "std::type_info::operator=3D(std::type_info const&)";
> [omitted]
>=20
> Do applications record the dependency on the libcxxrt directly,
> using the DT_NEEDED tag ?
I don't believe so, they get it indirectly via libc++ or libstdc++. How =
can I check?
David
Index: gnu/lib/libsupc++/Version.map
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- gnu/lib/libsupc++/Version.map (revision 245840)
+++ gnu/lib/libsupc++/Version.map (working copy)
@@ -130,6 +130,13 @@
*;
};
=20
+GLIBCXX_3.4.9 {
+ extern "C++" {
+ "std::bad_alloc::what() const";
+ "std::bad_cast::what() const";
+ };
+};
+
GLIBCXX_3.4 {
# operator new and new[]
_Znai[jm];
@@ -142,6 +149,27 @@
_ZdaPvRKSt9nothrow_t;
_ZdlPv;
_ZdlPvRKSt9nothrow_t;
+ extern "C++" {
+ std::set_new_handler*;
+ std::set_terminate*;
+ std::set_unexpected*;
+
+ std::bad_alloc*;
+ std::bad_cast*;
+ std::exception*;
+
+ "typeinfo for std::bad_alloc";
+ "typeinfo for std::bad_cast";
+ "typeinfo for std::exception";
+
+ "typeinfo name for std::bad_alloc";
+ "typeinfo name for std::bad_cast";
+ "typeinfo name for std::exception";
+
+ "vtable for std::bad_alloc";
+ "vtable for std::bad_cast";
+ "vtable for std::exception";
+ };
};
=20
CXXABI_1.3.1 {
Index: lib/libcxxrt/Version.map
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- lib/libcxxrt/Version.map (revision 245840)
+++ lib/libcxxrt/Version.map (working copy)
@@ -209,18 +209,7 @@
=20
"std::type_info::type_info(std::type_info const&)";
"std::type_info::type_info(std::type_info const&)";
- "std::type_info::~type_info()";
- "std::type_info::~type_info()";
- "std::type_info::~type_info()";
"std::type_info::operator=3D(std::type_info const&)";
- "std::unexpected()";
- "std::get_terminate()";
- "std::set_terminate(void (*)())";
- "std::get_unexpected()";
- "std::set_unexpected(void (*)())";
- "std::set_new_handler(void (*)())";
- "std::uncaught_exception()";
- "std::terminate()";
=20
=20
# Extensions
@@ -243,70 +232,25 @@
CXXRT_1.0 {
=20
extern "C++" {
- "std::bad_cast::what() const";
- "std::bad_typeid::what() const";
- "std::bad_alloc::what() const";
- "std::exception::what() const";
"std::type_info::name() const";
"std::type_info::before(std::type_info const&) const";
"std::type_info::operator=3D=3D(std::type_info const&) const";
"std::type_info::operator!=3D(std::type_info const&) const";
- "std::bad_typeid::bad_typeid(std::bad_typeid const&)";
- "std::bad_typeid::bad_typeid()";
- "std::bad_typeid::bad_typeid(std::bad_typeid const&)";
- "std::bad_typeid::bad_typeid()";
- "std::bad_typeid::~bad_typeid()";
- "std::bad_typeid::~bad_typeid()";
- "std::bad_typeid::~bad_typeid()";
- "std::bad_typeid::operator=3D(std::bad_typeid const&)";
"std::bad_cast::bad_cast(std::bad_cast const&)";
"std::bad_cast::bad_cast()";
"std::bad_cast::bad_cast(std::bad_cast const&)";
"std::bad_cast::bad_cast()";
- "std::bad_cast::~bad_cast()";
- "std::bad_cast::~bad_cast()";
- "std::bad_cast::~bad_cast()";
"std::bad_cast::operator=3D(std::bad_cast const&)";
- "std::bad_alloc::bad_alloc(std::bad_alloc const&)";
- "std::bad_alloc::bad_alloc()";
- "std::bad_alloc::bad_alloc(std::bad_alloc const&)";
- "std::bad_alloc::bad_alloc()";
- "std::bad_alloc::~bad_alloc()";
- "std::bad_alloc::~bad_alloc()";
- "std::bad_alloc::~bad_alloc()";
- "std::bad_alloc::operator=3D(std::bad_alloc const&)";
"std::exception::exception(std::exception const&)";
"std::exception::exception()";
"std::exception::exception(std::exception const&)";
"std::exception::exception()";
- "std::exception::~exception()";
- "std::exception::~exception()";
- "std::exception::~exception()";
"std::exception::operator=3D(std::exception const&)";
=20
=20
- "vtable for std::bad_typeid";
- "vtable for std::bad_cast";
- "vtable for std::bad_alloc";
- "vtable for std::exception";
- "vtable for std::type_info";
- "typeinfo for std::bad_typeid";
- "typeinfo for std::bad_cast";
- "typeinfo for std::bad_alloc";
- "typeinfo for std::exception";
- "typeinfo for std::type_info";
- "typeinfo name for std::bad_typeid";
- "typeinfo name for std::bad_cast";
- "typeinfo name for std::bad_alloc";
- "typeinfo name for std::exception";
- "typeinfo name for std::type_info";
=20
- "std::type_info::__is_function_p() const";
- "std::type_info::__do_upcast(__cxxabiv1::__class_type_info =
const*, void**) const";
- "std::type_info::__is_pointer_p() const";
=20
=20
-
};
__cxa_allocate_dependent_exception;
__cxa_current_primary_exception;
@@ -317,6 +261,15 @@
=20
} CXXABI_1.3.1;
=20
+
+GLIBCXX_3.4.9 {
+ extern "C++" {
+ "std::bad_typeid::what() const";
+ "std::bad_cast::what() const";
+ "std::bad_alloc::what() const";
+ };
+};
+
GLIBCXX_3.4 {
extern "C++" {
"operator delete[](void*)";
@@ -327,5 +280,41 @@
"operator new[](unsigned long)";
"operator new(unsigned long)";
"operator new(unsigned long, std::nothrow_t const&)";
+
+ "std::unexpected()";
+ "std::get_terminate()";
+ "std::get_unexpected()";
+ "std::uncaught_exception()";
+ "std::terminate()";
+
+ "std::type_info::~type_info()";
+ "std::bad_cast::~bad_cast()";
+ "std::exception::~exception()";
+
+ std::set_new_handler*;
+ std::set_terminate*;
+ std::set_unexpected*;
+ std::exception*;
+ std::bad_alloc*;
+ std::bad_typeid*;
+ std::type_info*;
+
+ "vtable for std::bad_alloc";
+ "vtable for std::bad_cast";
+ "vtable for std::bad_typeid";
+ "vtable for std::exception";
+ "vtable for std::type_info";
+
+ "typeinfo for std::bad_alloc";
+ "typeinfo for std::bad_typeid";
+ "typeinfo for std::exception";
+ "typeinfo for std::bad_cast";
+ "typeinfo for std::exception";
+ "typeinfo for std::type_info";
+ "typeinfo name for std::bad_typeid";
+ "typeinfo name for std::bad_cast";
+ "typeinfo name for std::exception";
+ "typeinfo name for std::type_info";
+
};
};
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