Files
clang-p2996/lldb/test/python_api/function_symbol/TestDisasmAPI.py
Johnny Chen 5a0bee7c5f The extra burden for the Python API test case to assign its process object to self.process
in order to have its process cleaned up (terminated) upon tearDown is gone for good.
Let's simplify a bunch of Python API test cases.

llvm-svn: 133097
2011-06-15 22:14:12 +00:00

126 lines
4.9 KiB
Python

"""
Test retrieval of SBAddress from function/symbol, disassembly, and SBAddress APIs.
"""
import os, time
import re
import unittest2
import lldb, lldbutil
from lldbtest import *
class DisasmAPITestCase(TestBase):
mydir = os.path.join("python_api", "function_symbol")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
def test_with_dsym(self):
"""Exercise getting SBAddress objects, disassembly, and SBAddress APIs."""
self.buildDsym()
self.disasm_and_address_api()
@python_api_test
def test_with_dwarf(self):
"""Exercise getting SBAddress objects, disassembly, and SBAddress APIs."""
self.buildDwarf()
self.disasm_and_address_api()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to of function 'c'.
self.line1 = line_number('main.c', '// Find the line number for breakpoint 1 here.')
self.line2 = line_number('main.c', '// Find the line number for breakpoint 2 here.')
def disasm_and_address_api(self):
"""Exercise getting SBAddress objects, disassembly, and SBAddress APIs."""
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create the two breakpoints inside function 'a'.
breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1)
breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2)
#print "breakpoint1:", breakpoint1
#print "breakpoint2:", breakpoint2
self.assertTrue(breakpoint1 and
breakpoint1.GetNumLocations() == 1,
VALID_BREAKPOINT)
self.assertTrue(breakpoint2 and
breakpoint2.GetNumLocations() == 1,
VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None, os.getcwd())
self.assertTrue(process, PROCESS_IS_VALID)
# Frame #0 should be on self.line1.
self.assertTrue(process.GetState() == lldb.eStateStopped)
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition")
frame0 = thread.GetFrameAtIndex(0)
lineEntry = frame0.GetLineEntry()
self.assertTrue(lineEntry.GetLine() == self.line1)
address1 = lineEntry.GetStartAddress()
#print "address1:", address1
# Now call SBTarget.ResolveSymbolContextForAddress() with address1.
context1 = target.ResolveSymbolContextForAddress(address1, lldb.eSymbolContextEverything)
self.assertTrue(context1)
if self.TraceOn():
print "context1:", context1
# Continue the inferior, the breakpoint 2 should be hit.
process.Continue()
self.assertTrue(process.GetState() == lldb.eStateStopped)
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition")
frame0 = thread.GetFrameAtIndex(0)
lineEntry = frame0.GetLineEntry()
self.assertTrue(lineEntry.GetLine() == self.line2)
# Verify that the symbol and the function has the same address range per function 'a'.
symbol = context1.GetSymbol()
function = frame0.GetFunction()
self.assertTrue(symbol and function)
disasm_output = lldbutil.disassemble(target, symbol)
if self.TraceOn():
print "symbol:", symbol
print "disassembly=>\n", disasm_output
disasm_output = lldbutil.disassemble(target, function)
if self.TraceOn():
print "function:", function
print "disassembly=>\n", disasm_output
sa1 = symbol.GetStartAddress()
#print "sa1:", sa1
#print "sa1.GetFileAddress():", hex(sa1.GetFileAddress())
#ea1 = symbol.GetEndAddress()
#print "ea1:", ea1
sa2 = function.GetStartAddress()
#print "sa2:", sa2
#print "sa2.GetFileAddress():", hex(sa2.GetFileAddress())
#ea2 = function.GetEndAddress()
#print "ea2:", ea2
self.assertTrue(sa1 and sa2 and sa1 == sa2,
"The two starting addresses should be the same")
from lldbutil import get_description
desc1 = get_description(sa1)
desc2 = get_description(sa2)
self.assertTrue(desc1 and desc2 and desc1 == desc2,
"SBAddress.GetDescription() API of sa1 and sa2 should return the same string")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()