tests/functional: Adapt arches to reverse_debugging w/o Avocado

reverse_debugging no longer depends on Avocado, so remove the import
checks for Avocado, the per-arch endianness tweaks, and the per-arch
register settings. All of these are now handled in the ReverseDebugging
class, automatically.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-ID: <20251003141820.85278-10-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

3 files changed, 16 insertions, 25 deletions

diff --git a/tests/functional/aarch64/test_reverse_debug.py b/tests/functional/aarch64/test_reverse_debug.py
index 8bc91ccfde..906f10aec5 100755
--- a/tests/functional/aarch64/test_reverse_debug.py
+++ b/tests/functional/aarch64/test_reverse_debug.py
@@ -2,25 +2,24 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Reverse debugging test
+# Reverse debugging test for aarch64
 #
 # Copyright (c) 2020 ISP RAS
+# Copyright (c) 2025 Linaro Limited
 #
 # Author:
 #  Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
+#  Gustavo Romero <gustavo.romero@linaro.org> (Run without Avocado)
 #
 # This work is licensed under the terms of the GNU GPL, version 2 or
 # later.  See the COPYING file in the top-level directory.
 
-from qemu_test import Asset, skipIfMissingImports, skipFlakyTest
+from qemu_test import Asset, skipFlakyTest
 from reverse_debugging import ReverseDebugging
 
 
-@skipIfMissingImports('avocado.utils')
 class ReverseDebugging_AArch64(ReverseDebugging):
 
-    REG_PC = 32
-
     ASSET_KERNEL = Asset(
         ('https://archives.fedoraproject.org/pub/archive/fedora/linux/'
          'releases/29/Everything/aarch64/os/images/pxeboot/vmlinuz'),
@@ -31,7 +30,7 @@ class ReverseDebugging_AArch64(ReverseDebugging):
         self.set_machine('virt')
         self.cpu = 'cortex-a53'
         kernel_path = self.ASSET_KERNEL.fetch()
-        self.reverse_debugging(args=('-kernel', kernel_path))
+        self.reverse_debugging(gdb_arch='aarch64', args=('-kernel', kernel_path))
 
 
 if __name__ == '__main__':
diff --git a/tests/functional/ppc64/test_reverse_debug.py b/tests/functional/ppc64/test_reverse_debug.py
index 5931adef5a..69551fb84d 100755
--- a/tests/functional/ppc64/test_reverse_debug.py
+++ b/tests/functional/ppc64/test_reverse_debug.py
@@ -2,39 +2,36 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Reverse debugging test
+# Reverse debugging test for ppc64
 #
 # Copyright (c) 2020 ISP RAS
+# Copyright (c) 2025 Linaro Limited
 #
 # Author:
 #  Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
+#  Gustavo Romero <gustavo.romero@linaro.org> (Run without Avocado)
 #
 # This work is licensed under the terms of the GNU GPL, version 2 or
 # later.  See the COPYING file in the top-level directory.
 
-from qemu_test import skipIfMissingImports, skipFlakyTest
+from qemu_test import skipFlakyTest
 from reverse_debugging import ReverseDebugging
 
 
-@skipIfMissingImports('avocado.utils')
 class ReverseDebugging_ppc64(ReverseDebugging):
 
-    REG_PC = 0x40
-
     @skipFlakyTest("https://gitlab.com/qemu-project/qemu/-/issues/1992")
     def test_ppc64_pseries(self):
         self.set_machine('pseries')
         # SLOF branches back to its entry point, which causes this test
         # to take the 'hit a breakpoint again' path. That's not a problem,
         # just slightly different than the other machines.
-        self.endian_is_le = False
-        self.reverse_debugging()
+        self.reverse_debugging(gdb_arch='powerpc:common64')
 
     @skipFlakyTest("https://gitlab.com/qemu-project/qemu/-/issues/1992")
     def test_ppc64_powernv(self):
         self.set_machine('powernv')
-        self.endian_is_le = False
-        self.reverse_debugging()
+        self.reverse_debugging(gdb_arch='powerpc:common64')
 
 
 if __name__ == '__main__':
diff --git a/tests/functional/x86_64/test_reverse_debug.py b/tests/functional/x86_64/test_reverse_debug.py
index d713e91e14..2b31ae8724 100755
--- a/tests/functional/x86_64/test_reverse_debug.py
+++ b/tests/functional/x86_64/test_reverse_debug.py
@@ -2,34 +2,29 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Reverse debugging test
+# Reverse debugging test for x86_64
 #
 # Copyright (c) 2020 ISP RAS
+# Copyright (c) 2025 Linaro Limited
 #
 # Author:
 #  Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
+#  Gustavo Romero <gustavo.romero@linaro.org> (Run without Avocado)
 #
 # This work is licensed under the terms of the GNU GPL, version 2 or
 # later.  See the COPYING file in the top-level directory.
 
-from qemu_test import skipIfMissingImports, skipFlakyTest
+from qemu_test import skipFlakyTest
 from reverse_debugging import ReverseDebugging
 
 
-@skipIfMissingImports('avocado.utils')
 class ReverseDebugging_X86_64(ReverseDebugging):
 
-    REG_PC = 0x10
-    REG_CS = 0x12
-    def get_pc(self, g):
-        return self.get_reg_le(g, self.REG_PC) \
-            + self.get_reg_le(g, self.REG_CS) * 0x10
-
     @skipFlakyTest("https://gitlab.com/qemu-project/qemu/-/issues/2922")
     def test_x86_64_pc(self):
         self.set_machine('pc')
         # start with BIOS only
-        self.reverse_debugging()
+        self.reverse_debugging(gdb_arch='x86-64')
 
 
 if __name__ == '__main__':