On Wed, 13 Jul 2022 at 18:28, François Dumont via Libstdc++ <libstd...@gcc.gnu.org> wrote: > > libstdc++: [_GLIBCXX_DEBUG] Add backtrace generation on demand > > Add _GLIBCXX_DEBUG_BACKTRACE macro to activate backtrace generation > on _GLIBCXX_DEBUG assertions. Prerequisite is to have configure the lib > with: > > --enable-libstdcxx-backtrace=yes > > libstdc++-v3/ChangeLog: > > * include/debug/formatter.h > [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_state): Declare. > [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_create_state): Declare. > [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full_callback): Define. > [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_error_callback): Define. > [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full_func): Define. > [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full): Declare. > [_GLIBCXX_HAVE_STACKTRACE](_Error_formatter::_M_backtrace_state): New. > [_GLIBCXX_HAVE_STACKTRACE](_Error_formatter::_M_backtrace_full): New. > * src/c++11/debug.cc (pretty_print): Rename into... > (print_function): ...that.
This does more than just rename it, what are the other changes for? > [_GLIBCXX_HAVE_STACKTRACE](print_backtrace): New. > (_Error_formatter::_M_error()): Adapt. > * src/libbacktrace/Makefile.am: Add backtrace.c. > * src/libbacktrace/Makefile.in: Regenerate. > * src/libbacktrace/backtrace-rename.h (backtrace_full): New. > * testsuite/23_containers/vector/debug/assign4_neg.cc: Add backtrace > generation. > * doc/xml/manual/debug_mode.xml: Document _GLIBCXX_DEBUG_BACKTRACE. > * doc/xml/manual/using.xml: Likewise. > > Tested under Linux x86_64 normal and _GLIBCXX_DEBUG modes. > > Ok to commit ? >--- a/libstdc++-v3/testsuite/23_containers/vector/debug/assign4_neg.cc >+++ b/libstdc++-v3/testsuite/23_containers/vector/debug/assign4_neg.cc >@@ -16,6 +16,7 @@ > // <http://www.gnu.org/licenses/>. > // > // { dg-do run { xfail *-*-* } } >+// { dg-options "-D_GLIBCXX_DEBUG_BACKTRACE -lstdc++_libbacktrace" } > > #include <debug/vector> > #include <debug/checks.h> This will fail to link if the static lib isn't available.
