On Wed, 2023-05-10 at 22:26 +0200, Ilya Leoshkevich wrote: > [Apologies to people in To: and Cc:, who will get this the second > time - > I forgot to Cc: the mailing list initially.] > > Hi, > > this series partially implements the Host I/O feature of the GDB > Remote > Serial Protocol in order to make generate-core-file work with qemu- > user. > It borrows heavily from the abandoned patch by Dominik [1], hence 4/6 > carries the respective Co-developed-by: tag. I hope that's okay. I > also > peeked at gdbserver/hostio.cc quite a few times. > > The changes compared to Dominik's patch are: > > - Implement readlink. > - Move the main functionality to user-target.c. > - Allocate buffers on heap. > - Add a test. > - Update gdb.rst. > - Split refactorings to the existing code into separate patches. > - Rename do_openat() to do_guest_openat(). > - Do not retry pread(), since GDB is capable of doing it itself. > - Add an extra sanity check to gdb_handle_query_xfer_exec_file(). > - Replace citations of the spec by a single link. > > Best regards, > Ilya > > [1] > https://lore.kernel.org/all/20220221030910.3203063-1-dominik.b.czarn...@gmail.com/ > > Ilya Leoshkevich (6): > linux-user: Expose do_guest_openat() and do_guest_readlink() > gdbstub: Expose gdb_get_process() and > gdb_get_first_cpu_in_process() > gdbstub: Report the actual qemu-user pid > gdbstub: Add support for info proc mappings > docs: Document security implications of debugging > tests/tcg: Add a test for info proc mappings > > docs/system/gdb.rst | 15 ++ > gdbstub/gdbstub.c | 86 ++++++++--- > gdbstub/internals.h | 7 + > gdbstub/user-target.c | 139 > ++++++++++++++++++ > linux-user/qemu.h | 3 + > linux-user/syscall.c | 54 ++++--- > tests/tcg/aarch64/Makefile.target | 3 +- > tests/tcg/multiarch/Makefile.target | 7 + > .../multiarch/gdbstub/test-proc-mappings.py | 55 +++++++ > tests/tcg/s390x/Makefile.target | 2 +- > 10 files changed, 332 insertions(+), 39 deletions(-) > create mode 100644 tests/tcg/multiarch/gdbstub/test-proc-mappings.py
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