forked from OSchip/llvm-project
128 lines
4.9 KiB
Python
128 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 = TestBase.compute_mydir(__file__)
|
|
|
|
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
|
|
@python_api_test
|
|
@dsym_test
|
|
def test_with_dsym(self):
|
|
"""Exercise getting SBAddress objects, disassembly, and SBAddress APIs."""
|
|
self.buildDsym()
|
|
self.disasm_and_address_api()
|
|
|
|
@python_api_test
|
|
@dwarf_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, self.get_process_working_directory())
|
|
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.IsValid(), "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.IsValid(), "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()
|