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

   1 # Copyright (C) 2011-2021 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is part of the GDB testsuite.  It tests python Finish
  17 # Breakpoints.
  18
  19
  20 class MyFinishBreakpoint(gdb.FinishBreakpoint):
  21     def __init__(self, val, frame):
  22         gdb.FinishBreakpoint.__init__(self, frame)
  23         print("MyFinishBreakpoint init")
  24         self.val = val
  25
  26     def stop(self):
  27         print("MyFinishBreakpoint stop with %d" % int(self.val.dereference()))
  28         print("return_value is: %d" % int(self.return_value))
  29         gdb.execute("where 1")
  30         return True
  31
  32     def out_of_scope(self):
  33         print("MyFinishBreakpoint out of scope")
  34
  35
  36 class TestBreakpoint(gdb.Breakpoint):
  37     def __init__(self):
  38         gdb.Breakpoint.__init__(self, spec="test_1", internal=1)
  39         self.silent = True
  40         self.count = 0
  41         print("TestBreakpoint init")
  42
  43     def stop(self):
  44         self.count += 1
  45         try:
  46             TestFinishBreakpoint(gdb.newest_frame(), self.count)
  47         except ValueError as e:
  48             print(e)
  49         return False
  50
  51
  52 class TestFinishBreakpoint(gdb.FinishBreakpoint):
  53     def __init__(self, frame, count):
  54         self.count = count
  55         gdb.FinishBreakpoint.__init__(self, frame, internal=1)
  56
  57     def stop(self):
  58         print("-->", self.number)
  59         if self.count == 3:
  60             print("test stop: %d" % self.count)
  61             return True
  62         else:
  63             print("test don't stop: %d" % self.count)
  64             return False
  65
  66     def out_of_scope(self):
  67         print("test didn't finish: %d" % self.count)
  68
  69
  70 class TestExplicitBreakpoint(gdb.Breakpoint):
  71     def stop(self):
  72         try:
  73             SimpleFinishBreakpoint(gdb.newest_frame())
  74         except ValueError as e:
  75             print(e)
  76         return False
  77
  78
  79 class SimpleFinishBreakpoint(gdb.FinishBreakpoint):
  80     def __init__(self, frame):
  81         gdb.FinishBreakpoint.__init__(self, frame)
  82
  83         print("SimpleFinishBreakpoint init")
  84
  85     def stop(self):
  86         print("SimpleFinishBreakpoint stop")
  87         return True
  88
  89     def out_of_scope(self):
  90         print("SimpleFinishBreakpoint out of scope")
  91
  92
  93 print("Python script imported")