On Fri, 11 Apr 2025 at 14:47, Jonathan Wakely <jwak...@redhat.com> wrote: > > This includes the P2810R4 (is_debugger_present is_replaceable) changes, > allowing std::is_debugger_present to be replaced by the program. > > It would be good to provide a macOS definition of is_debugger_present as > per https://developer.apple.com/library/archive/qa/qa1361/_index.html > but that isn't included in this change. > > libstdc++-v3/ChangeLog: > > * config.h.in: Regenerate. > * configure: Regenerate. > * configure.ac: Check for facilities needed by <debugging>. > * include/Makefile.am: Add new header. > * include/Makefile.in: Regenerate. > * include/bits/version.def (debugging): Add. > * include/bits/version.h: Regenerate. > * src/c++26/Makefile.am: Add new file. > * src/c++26/Makefile.in: Regenerate. > * include/std/debugging: New file. > * src/c++26/debugging.cc: New file. > * testsuite/19_diagnostics/debugging/breakpoint.cc: New test. > * testsuite/19_diagnostics/debugging/breakpoint_if_debugging.cc: > New test. > * testsuite/19_diagnostics/debugging/is_debugger_present.cc: New > test. > * testsuite/19_diagnostics/debugging/is_debugger_present-2.cc: > New test. > --- > > This v3 patch uses #elif for the SYS_PTRACE_H group, as suggested by > Tomasz, adds more systemtap probes, and fixes the known debuggers checks > to match LLDB properly and to match gdbserver. Tested with gdb, > gdbserver, and lldb on Fedora 41.
Oh, and I also added a test that replaces std::is_debugger_present() with a program-defined function and verifies that it's called instead of the one in libstdc++exp.a.
