packages/Python/lldbsuite/test/functionalities/disassembly/TestDisassembleBreakpoint.py

   1 """
   2 Test some lldb command abbreviations.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import os
   9 import time
  10 import lldb
  11 from lldbsuite.test.decorators import *
  12 from lldbsuite.test.lldbtest import *
  13 from lldbsuite.test import lldbutil
  14
  15
  16 class DisassemblyTestCase(TestBase):
  17
  18     mydir = TestBase.compute_mydir(__file__)
  19
  20     @expectedFailureAll(
  21         oslist=["windows"],
  22         bugnumber="function names print fully demangled instead of name-only")
  23     def test(self):
  24         self.build()
  25         exe = os.path.join(os.getcwd(), "a.out")
  26         self.expect("file " + exe,
  27                     patterns=["Current executable set to .*a.out.*"])
  28
  29         match_object = lldbutil.run_break_set_command(self, "br s -n sum")
  30         lldbutil.check_breakpoint_result(
  31             self,
  32             match_object,
  33             symbol_name='sum',
  34             symbol_match_exact=False,
  35             num_locations=1)
  36
  37         self.expect("run",
  38                     patterns=["Process .* launched: "])
  39
  40         self.runCmd("dis -f")
  41         disassembly = self.res.GetOutput()
  42
  43         # ARCH, if not specified, defaults to x86_64.
  44         arch = self.getArchitecture()
  45         if arch in ["", 'x86_64', 'i386', 'i686']:
  46             breakpoint_opcodes = ["int3"]
  47             instructions = [' mov', ' addl ', 'ret']
  48         elif arch in ["arm", "aarch64"]:
  49             breakpoint_opcodes = ["brk", "udf"]
  50             instructions = [' add ', ' ldr ', ' str ']
  51         elif re.match("mips", arch):
  52             breakpoint_opcodes = ["break"]
  53             instructions = ['lw', 'sw']
  54         elif arch in ["s390x"]:
  55             breakpoint_opcodes = [".long"]
  56             instructions = [' l ', ' a ', ' st ']
  57         else:
  58             # TODO please add your arch here
  59             self.fail(
  60                 'unimplemented for arch = "{arch}"'.format(
  61                     arch=self.getArchitecture()))
  62
  63         # make sure that the software breakpoint has been removed
  64         for op in breakpoint_opcodes:
  65             self.assertFalse(op in disassembly)
  66
  67         # make sure a few reasonable assembly instructions are here
  68         self.expect(
  69             disassembly,
  70             exe=False,
  71             startstr="a.out`sum",
  72             substrs=instructions)