tests: remove test-gdbstub.py

This isn't directly called by our CI and because it doesn't run via
our run-test.py script does things slightly differently. Lets remove
it as we have plenty of working in-tree tests now for various aspects
of gdbstub.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-7-alex.bennee@linaro.org>

1 files changed, 0 insertions, 177 deletions

diff --git a/tests/guest-debug/test-gdbstub.py b/tests/guest-debug/test-gdbstub.py
deleted file mode 100644
index 98a5df4..0000000
--- a/tests/guest-debug/test-gdbstub.py
+++ /dev/null
@@ -1,177 +0,0 @@
-#
-# This script needs to be run on startup
-# qemu -kernel ${KERNEL} -s -S
-# and then:
-# gdb ${KERNEL}.vmlinux -x ${QEMU_SRC}/tests/guest-debug/test-gdbstub.py
-
-import gdb
-
-failcount = 0
-
-
-def report(cond, msg):
-    "Report success/fail of test"
-    if cond:
-        print ("PASS: %s" % (msg))
-    else:
-        print ("FAIL: %s" % (msg))
-        global failcount
-        failcount += 1
-
-
-def check_step():
-    "Step an instruction, check it moved."
-    start_pc = gdb.parse_and_eval('$pc')
-    gdb.execute("si")
-    end_pc = gdb.parse_and_eval('$pc')
-
-    return not (start_pc == end_pc)
-
-
-def check_break(sym_name):
-    "Setup breakpoint, continue and check we stopped."
-    sym, ok = gdb.lookup_symbol(sym_name)
-    bp = gdb.Breakpoint(sym_name)
-
-    gdb.execute("c")
-
-    # hopefully we came back
-    end_pc = gdb.parse_and_eval('$pc')
-    print ("%s == %s %d" % (end_pc, sym.value(), bp.hit_count))
-    bp.delete()
-
-    # can we test we hit bp?
-    return end_pc == sym.value()
-
-
-# We need to do hbreak manually as the python interface doesn't export it
-def check_hbreak(sym_name):
-    "Setup hardware breakpoint, continue and check we stopped."
-    sym, ok = gdb.lookup_symbol(sym_name)
-    gdb.execute("hbreak %s" % (sym_name))
-    gdb.execute("c")
-
-    # hopefully we came back
-    end_pc = gdb.parse_and_eval('$pc')
-    print ("%s == %s" % (end_pc, sym.value()))
-
-    if end_pc == sym.value():
-        gdb.execute("d 1")
-        return True
-    else:
-        return False
-
-
-class WatchPoint(gdb.Breakpoint):
-
-    def get_wpstr(self, sym_name):
-        "Setup sym and wp_str for given symbol."
-        self.sym, ok = gdb.lookup_symbol(sym_name)
-        wp_addr = gdb.parse_and_eval(sym_name).address
-        self.wp_str = '*(%(type)s)(&%(address)s)' % dict(
-            type = wp_addr.type, address = sym_name)
-
-        return(self.wp_str)
-
-    def __init__(self, sym_name, type):
-        wp_str = self.get_wpstr(sym_name)
-        super(WatchPoint, self).__init__(wp_str, gdb.BP_WATCHPOINT, type)
-
-    def stop(self):
-        end_pc = gdb.parse_and_eval('$pc')
-        print ("HIT WP @ %s" % (end_pc))
-        return True
-
-
-def do_one_watch(sym, wtype, text):
-
-    wp = WatchPoint(sym, wtype)
-    gdb.execute("c")
-    report_str = "%s for %s (%s)" % (text, sym, wp.sym.value())
-
-    if wp.hit_count > 0:
-        report(True, report_str)
-        wp.delete()
-    else:
-        report(False, report_str)
-
-
-def check_watches(sym_name):
-    "Watch a symbol for any access."
-
-    # Should hit for any read
-    do_one_watch(sym_name, gdb.WP_ACCESS, "awatch")
-
-    # Again should hit for reads
-    do_one_watch(sym_name, gdb.WP_READ, "rwatch")
-
-    # Finally when it is written
-    do_one_watch(sym_name, gdb.WP_WRITE, "watch")
-
-
-class CatchBreakpoint(gdb.Breakpoint):
-    def __init__(self, sym_name):
-        super(CatchBreakpoint, self).__init__(sym_name)
-        self.sym, ok = gdb.lookup_symbol(sym_name)
-
-    def stop(self):
-        end_pc = gdb.parse_and_eval('$pc')
-        print ("CB: %s == %s" % (end_pc, self.sym.value()))
-        if end_pc == self.sym.value():
-            report(False, "Hit final catchpoint")
-
-
-def run_test():
-    "Run through the tests one by one"
-
-    print ("Checking we can step the first few instructions")
-    step_ok = 0
-    for i in range(3):
-        if check_step():
-            step_ok += 1
-
-    report(step_ok == 3, "single step in boot code")
-
-    print ("Checking HW breakpoint works")
-    break_ok = check_hbreak("kernel_init")
-    report(break_ok, "hbreak @ kernel_init")
-
-    # Can't set this up until we are in the kernel proper
-    # if we make it to run_init_process we've over-run and
-    # one of the tests failed
-    print ("Setup catch-all for run_init_process")
-    cbp = CatchBreakpoint("run_init_process")
-    cpb2 = CatchBreakpoint("try_to_run_init_process")
-
-    print ("Checking Normal breakpoint works")
-    break_ok = check_break("wait_for_completion")
-    report(break_ok, "break @ wait_for_completion")
-
-    print ("Checking watchpoint works")
-    check_watches("system_state")
-
-#
-# This runs as the script it sourced (via -x)
-#
-
-try:
-    print ("Connecting to remote")
-    gdb.execute("target remote localhost:1234")
-
-    # These are not very useful in scripts
-    gdb.execute("set pagination off")
-    gdb.execute("set confirm off")
-
-    # Run the actual tests
-    run_test()
-
-except:
-    print ("GDB Exception: %s" % (sys.exc_info()[0]))
-    failcount += 1
-    import code
-    code.InteractiveConsole(locals=globals()).interact()
-    raise
-
-# Finally kill the inferior and exit gdb with a count of failures
-gdb.execute("kill")
-exit(failcount)