4 files changed, 39 insertions, 16 deletions
diff --git a/tests/tcg/multiarch/gdbstub/interrupt.py b/tests/tcg/multiarch/gdbstub/interrupt.py
index 90a45b5..2d5654d 100644
--- a/tests/tcg/multiarch/gdbstub/interrupt.py
+++ b/tests/tcg/multiarch/gdbstub/interrupt.py
@@ -8,7 +8,7 @@ from __future__ import print_function
 #
 
 import gdb
-from test_gdbstub import main, report
+from test_gdbstub import gdb_exit, main, report
 
 
 def check_interrupt(thread):
@@ -49,7 +49,7 @@ def run_test():
     """
     if len(gdb.selected_inferior().threads()) == 1:
         print("SKIP: set to run on a single thread")
-        exit(0)
+        gdb_exit(0)
 
     gdb.execute("set scheduler-locking on")
     for thread in gdb.selected_inferior().threads():
diff --git a/tests/tcg/multiarch/gdbstub/late-attach.py b/tests/tcg/multiarch/gdbstub/late-attach.py
new file mode 100644
index 0000000..1d40efb
--- /dev/null
+++ b/tests/tcg/multiarch/gdbstub/late-attach.py
@@ -0,0 +1,28 @@
+"""Test attaching GDB to a running process.
+
+SPDX-License-Identifier: GPL-2.0-or-later
+"""
+from test_gdbstub import main, report
+
+
+def run_test():
+    """Run through the tests one by one"""
+    try:
+        phase = gdb.parse_and_eval("phase").string()
+    except gdb.error:
+        # Assume the guest did not reach main().
+        phase = "start"
+
+    if phase == "start":
+        gdb.execute("break sigwait")
+        gdb.execute("continue")
+        phase = gdb.parse_and_eval("phase").string()
+    report(phase == "sigwait", "{} == \"sigwait\"".format(phase))
+
+    gdb.execute("signal SIGUSR1")
+
+    exitcode = int(gdb.parse_and_eval("$_exitcode"))
+    report(exitcode == 0, "{} == 0".format(exitcode))
+
+
+main(run_test)
diff --git a/tests/tcg/multiarch/gdbstub/prot-none.py b/tests/tcg/multiarch/gdbstub/prot-none.py
index 7e26458..51082a3 100644
--- a/tests/tcg/multiarch/gdbstub/prot-none.py
+++ b/tests/tcg/multiarch/gdbstub/prot-none.py
@@ -5,7 +5,7 @@ This runs as a sourced script (via -x, via run-test.py).
 SPDX-License-Identifier: GPL-2.0-or-later
 """
 import ctypes
-from test_gdbstub import main, report
+from test_gdbstub import gdb_exit, main, report
 
 
 def probe_proc_self_mem():
@@ -22,7 +22,7 @@ def run_test():
     """Run through the tests one by one"""
     if not probe_proc_self_mem():
         print("SKIP: /proc/self/mem is not usable")
-        exit(0)
+        gdb_exit(0)
     gdb.Breakpoint("break_here")
     gdb.execute("continue")
     val = gdb.parse_and_eval("*(char[2] *)q").string()
diff --git a/tests/tcg/multiarch/gdbstub/test-proc-mappings.py b/tests/tcg/multiarch/gdbstub/test-proc-mappings.py
index 564613f..6eb6ebf 100644
--- a/tests/tcg/multiarch/gdbstub/test-proc-mappings.py
+++ b/tests/tcg/multiarch/gdbstub/test-proc-mappings.py
@@ -3,22 +3,17 @@
 This runs as a sourced script (via -x, via run-test.py)."""
 from __future__ import print_function
 import gdb
-from test_gdbstub import main, report
+from test_gdbstub import gdb_exit, main, report
 
 
 def run_test():
     """Run through the tests one by one"""
-    try:
-        mappings = gdb.execute("info proc mappings", False, True)
-    except gdb.error as exc:
-        exc_str = str(exc)
-        if "Not supported on this target." in exc_str:
-            # Detect failures due to an outstanding issue with how GDB handles
-            # the x86_64 QEMU's target.xml, which does not contain the
-            # definition of orig_rax. Skip the test in this case.
-            print("SKIP: {}".format(exc_str))
-            return
-        raise
+    if gdb.selected_inferior().architecture().name() == "m68k":
+        # m68k GDB supports only GDB_OSABI_SVR4, but GDB_OSABI_LINUX is
+        # required for the info proc support (see set_gdbarch_info_proc()).
+        print("SKIP: m68k GDB does not support GDB_OSABI_LINUX")
+        gdb_exit(0)
+    mappings = gdb.execute("info proc mappings", False, True)
     report(isinstance(mappings, str), "Fetched the mappings from the inferior")
     # Broken with host page size > guest page size
     # report("/sha1" in mappings, "Found the test binary name in the mappings")