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

[Philippe Mathieu-Daudé]

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 <phi...@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).