Ilya Leoshkevich <[email protected]> writes: > Based-on: <[email protected]> > > Hi, > > I needed to debug a linux-user crash between fork() and exec() [1] and > realized that gdbstub does not allow this. This series lifts this > restriction (one still cannot debug past exec() though). Patch 1 is a > preliminary refactoring, I can split it if necessary.
Please, I think introduce the api and then one each for adding the hooks to *-user > Patch 2 is the > implementation, and patch 3 is the test. Always good to see tests ;-) > > [1] https://lists.gnu.org/archive/html/qemu-devel/2024-01/msg06424.html > > Best regards, > Ilya > > Ilya Leoshkevich (3): > gdbstub: Refactor fork() handling > gdbstub: Implement follow-fork-mode child > tests/tcg: Add two follow-fork-mode tests > > bsd-user/freebsd/os-proc.h | 6 +- > bsd-user/main.c | 8 +- > bsd-user/qemu.h | 2 +- > gdbstub/gdbstub.c | 29 ++- > gdbstub/internals.h | 3 + > gdbstub/user.c | 225 +++++++++++++++++- > include/gdbstub/user.h | 11 +- > linux-user/main.c | 8 +- > linux-user/syscall.c | 4 +- > linux-user/user-internals.h | 2 +- > tests/tcg/multiarch/Makefile.target | 17 +- > tests/tcg/multiarch/follow-fork-mode.c | 56 +++++ > .../gdbstub/follow-fork-mode-child.py | 40 ++++ > .../gdbstub/follow-fork-mode-parent.py | 16 ++ > 14 files changed, 403 insertions(+), 24 deletions(-) > create mode 100644 tests/tcg/multiarch/follow-fork-mode.c > create mode 100644 tests/tcg/multiarch/gdbstub/follow-fork-mode-child.py > create mode 100644 tests/tcg/multiarch/gdbstub/follow-fork-mode-parent.py -- Alex Bennée Virtualisation Tech Lead @ Linaro
