Re: [RFC PATCH-for-10.2?] tests/tcg: Skip syscall catchpoint test if pipe2() syscall not available

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 3/12/25 09:47, Philippe Mathieu-Daudé wrote:
> Avoid the following errors testing i386 and ppc64:
> 
>    $ make check-tcg
>    ...
>      TEST    hitting a syscall catchpoint on i386
>    warning: File transfers from remote targets can be slow. Use "set sysroot" to access files locally instead.
>    Traceback (most recent call last):
>      File "tests/tcg/multiarch/gdbstub/catch-syscalls.py", line 53, in <module>
>        main(run_test)
>      File "tests/guest-debug/test_gdbstub.py", line 53, in main
>        test()
>      File "tests/tcg/multiarch/gdbstub/catch-syscalls.py", line 22, in run_test
>        gdb.execute("catch syscall pipe2 read")
>    gdb.error: Unknown syscall name 'pipe2'.
>    qemu-i386: QEMU: Terminated via GDBstub
>    ...
>      TEST    hitting a syscall catchpoint on ppc64
>    warning: File transfers from remote targets can be slow. Use "set sysroot" to access files locally instead.
>    Traceback (most recent call last):
>      File "tests/tcg/multiarch/gdbstub/catch-syscalls.py", line 53, in <module>
>        main(run_test)
>      File "tests/guest-debug/test_gdbstub.py", line 53, in main
>        test()
>      File "tests/tcg/multiarch/gdbstub/catch-syscalls.py", line 22, in run_test
>        gdb.execute("catch syscall pipe2 read")
>    gdb.error: Unknown syscall name 'pipe2'.
>    qemu-ppc64: QEMU: Terminated via GDBstub
>    ...
>      TEST    hitting a syscall catchpoint on ppc64le
>    warning: File transfers from remote targets can be slow. Use "set sysroot" to access files locally instead.
>    Traceback (most recent call last):
>      File "tests/tcg/multiarch/gdbstub/catch-syscalls.py", line 53, in <module>
>        main(run_test)
>      File "tests/guest-debug/test_gdbstub.py", line 53, in main
>        test()
>      File "tests/tcg/multiarch/gdbstub/catch-syscalls.py", line 22, in run_test
>        gdb.execute("catch syscall pipe2 read")
>    gdb.error: Unknown syscall name 'pipe2'.
>    qemu-ppc64le: QEMU: Terminated via GDBstub
>    make: Target 'check-tcg' not remade because of errors.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   tests/tcg/multiarch/gdbstub/catch-syscalls.py | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

(RFC because I have no clue whether SYS_pipe2 should be present
  on these targets, I just want the CI to pass full green).