gdb/testsuite/gdb.python/py-finish-breakpoint.py

# Copyright (C) 2011-2020 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This file is part of the GDB testsuite.  It tests python Finish
# Breakpoints.
                
class MyFinishBreakpoint (gdb.FinishBreakpoint):
        def __init__(self, val, frame):
                gdb.FinishBreakpoint.__init__ (self, frame)
                print ("MyFinishBreakpoint init")
                self.val = val
                
        def stop(self):
                print ("MyFinishBreakpoint stop with %d" % int (self.val.dereference ()))
                print ("return_value is: %d" % int (self.return_value))
                gdb.execute ("where 1")
                return True
        
        def out_of_scope(self):
                print ("MyFinishBreakpoint out of scope")

class TestBreakpoint(gdb.Breakpoint):
    def __init__(self):
        gdb.Breakpoint.__init__ (self, spec="test_1", internal=1)
        self.silent = True
        self.count = 0
        print ("TestBreakpoint init")
        
    def stop(self):
        self.count += 1
        try:
                TestFinishBreakpoint (gdb.newest_frame (), self.count)
        except ValueError as e:
                print (e)
        return False

class TestFinishBreakpoint (gdb.FinishBreakpoint):
    def __init__ (self, frame, count):
        self.count = count
        gdb.FinishBreakpoint.__init__ (self, frame, internal=1)
        
        
    def stop(self):
        print ("-->", self.number)
        if (self.count == 3):
            print ("test stop: %d" % self.count)
            return True
        else:
            print ("test don't stop: %d" % self.count)
            return False 
        
    
    def out_of_scope(self):
        print ("test didn't finish: %d" % self.count)

class TestExplicitBreakpoint(gdb.Breakpoint):
        def stop(self):
                try:
                        SimpleFinishBreakpoint (gdb.newest_frame ())
                except ValueError as e:
                        print (e)
                return False

class SimpleFinishBreakpoint(gdb.FinishBreakpoint):
        def __init__(self, frame):
                gdb.FinishBreakpoint.__init__ (self, frame)
                
                print ("SimpleFinishBreakpoint init")
                
        def stop(self):
                print ("SimpleFinishBreakpoint stop" )
                return True
        
        def out_of_scope(self):
                print ("SimpleFinishBreakpoint out of scope")

print ("Python script imported")