diff options
Diffstat (limited to 'lldb/examples/python/diagnose_unwind.py')
| -rw-r--r-- | lldb/examples/python/diagnose_unwind.py | 113 |
1 files changed, 57 insertions, 56 deletions
diff --git a/lldb/examples/python/diagnose_unwind.py b/lldb/examples/python/diagnose_unwind.py index b90372970e5..db3ff1952f3 100644 --- a/lldb/examples/python/diagnose_unwind.py +++ b/lldb/examples/python/diagnose_unwind.py @@ -5,6 +5,7 @@ # information about the stack frames, and tries an alternate unwind # algorithm, that will help to understand why lldb's unwind algorithm # did not succeed. +from __future__ import print_function import optparse import lldb @@ -39,7 +40,7 @@ def backtrace_print_frame(target, frame_num, addr, fp): module_description = '%s %s' % ( module_filename, module_uuid_str) except Exception: - print '%2d: pc==0x%-*x fp==0x%-*x' % (frame_num, addr_width, addr_for_printing, addr_width, fp) + print('%2d: pc==0x%-*x fp==0x%-*x' % (frame_num, addr_width, addr_for_printing, addr_width, fp)) return sym_ctx = target.ResolveSymbolContextForAddress( @@ -47,9 +48,9 @@ def backtrace_print_frame(target, frame_num, addr, fp): if sym_ctx.IsValid() and sym_ctx.GetSymbol().IsValid(): function_start = sym_ctx.GetSymbol().GetStartAddress().GetLoadAddress(target) offset = addr - function_start - print '%2d: pc==0x%-*x fp==0x%-*x %s %s + %d' % (frame_num, addr_width, addr_for_printing, addr_width, fp, module_description, sym_ctx.GetSymbol().GetName(), offset) + print('%2d: pc==0x%-*x fp==0x%-*x %s %s + %d' % (frame_num, addr_width, addr_for_printing, addr_width, fp, module_description, sym_ctx.GetSymbol().GetName(), offset)) else: - print '%2d: pc==0x%-*x fp==0x%-*x %s' % (frame_num, addr_width, addr_for_printing, addr_width, fp, module_description) + print('%2d: pc==0x%-*x fp==0x%-*x %s' % (frame_num, addr_width, addr_for_printing, addr_width, fp, module_description)) return sbaddr.GetModule() # A simple stack walk algorithm that follows the frame chain. @@ -78,7 +79,7 @@ def simple_backtrace(debugger): this_module = backtrace_print_frame( target, 0, cur_thread.GetFrameAtIndex(0).GetPC(), initial_fp) print_stack_frame(process, initial_fp) - print "" + print("") if this_module is not None: module_list.append(this_module) if cur_thread.GetNumFrames() < 2: @@ -94,7 +95,7 @@ def simple_backtrace(debugger): address_list.append(cur_pc) this_module = backtrace_print_frame(target, frame_num, cur_pc, cur_fp) print_stack_frame(process, cur_fp) - print "" + print("") if this_module is not None: module_list.append(this_module) frame_num = frame_num + 1 @@ -119,7 +120,7 @@ def simple_backtrace(debugger): cur_fp = next_fp this_module = backtrace_print_frame(target, frame_num, cur_pc, cur_fp) print_stack_frame(process, cur_fp) - print "" + print("") if this_module is not None: module_list.append(this_module) return [module_list, address_list] @@ -139,7 +140,7 @@ def print_stack_frame(process, fp): addr + (i * addr_size), error) outline += " 0x%x" % address i += 1 - print outline + print(outline) except Exception: return @@ -180,39 +181,39 @@ def diagnose_unwind(debugger, command, result, dict): modules_seen = [] addresses_seen = [] - print 'LLDB version %s' % debugger.GetVersionString() - print 'Unwind diagnostics for thread %d' % thread.GetIndexID() - print "" - print "=============================================================================================" - print "" - print "OS plugin setting:" + print('LLDB version %s' % debugger.GetVersionString()) + print('Unwind diagnostics for thread %d' % thread.GetIndexID()) + print("") + print("=============================================================================================") + print("") + print("OS plugin setting:") debugger.HandleCommand( "settings show target.process.python-os-plugin-path") - print "" - print "Live register context:" + print("") + print("Live register context:") thread.SetSelectedFrame(0) debugger.HandleCommand("register read") - print "" - print "=============================================================================================" - print "" - print "lldb's unwind algorithm:" - print "" + print("") + print("=============================================================================================") + print("") + print("lldb's unwind algorithm:") + print("") frame_num = 0 for frame in thread.frames: if not frame.IsInlined(): this_module = backtrace_print_frame( target, frame_num, frame.GetPC(), frame.GetFP()) print_stack_frame(process, frame.GetFP()) - print "" + print("") if this_module is not None: modules_seen.append(this_module) addresses_seen.append(frame.GetPC()) frame_num = frame_num + 1 - print "" - print "=============================================================================================" - print "" - print "Simple stack walk algorithm:" - print "" + print("") + print("=============================================================================================") + print("") + print("Simple stack walk algorithm:") + print("") (module_list, address_list) = simple_backtrace(debugger) if module_list and module_list is not None: modules_seen += module_list @@ -220,11 +221,11 @@ def diagnose_unwind(debugger, command, result, dict): addresses_seen = set(addresses_seen) addresses_seen.update(set(address_list)) - print "" - print "=============================================================================================" - print "" - print "Modules seen in stack walks:" - print "" + print("") + print("=============================================================================================") + print("") + print("Modules seen in stack walks:") + print("") modules_already_seen = set() for module in modules_seen: if module is not None and module.GetFileSpec().GetFilename() is not None: @@ -235,18 +236,18 @@ def diagnose_unwind(debugger, command, result, dict): modules_already_seen.add( module.GetFileSpec().GetFilename()) - print "" - print "=============================================================================================" - print "" - print "Disassembly ofaddresses seen in stack walks:" - print "" + print("") + print("=============================================================================================") + print("") + print("Disassembly ofaddresses seen in stack walks:") + print("") additional_addresses_to_disassemble = addresses_seen for frame in thread.frames: if not frame.IsInlined(): - print "--------------------------------------------------------------------------------------" - print "" - print "Disassembly of %s, frame %d, address 0x%x" % (frame.GetFunctionName(), frame.GetFrameID(), frame.GetPC()) - print "" + print("--------------------------------------------------------------------------------------") + print("") + print("Disassembly of %s, frame %d, address 0x%x" % (frame.GetFunctionName(), frame.GetFrameID(), frame.GetPC())) + print("") if target.triple[ 0:6] == "x86_64" or target.triple[ 0:4] == "i386": @@ -261,10 +262,10 @@ def diagnose_unwind(debugger, command, result, dict): frame.GetPC()) for address in list(additional_addresses_to_disassemble): - print "--------------------------------------------------------------------------------------" - print "" - print "Disassembly of 0x%x" % address - print "" + print("--------------------------------------------------------------------------------------") + print("") + print("Disassembly of 0x%x" % address) + print("") if target.triple[ 0:6] == "x86_64" or target.triple[ 0:4] == "i386": @@ -273,16 +274,16 @@ def diagnose_unwind(debugger, command, result, dict): else: debugger.HandleCommand('disassemble -a 0x%x' % address) - print "" - print "=============================================================================================" - print "" + print("") + print("=============================================================================================") + print("") additional_addresses_to_show_unwind = addresses_seen for frame in thread.frames: if not frame.IsInlined(): - print "--------------------------------------------------------------------------------------" - print "" - print "Unwind instructions for %s, frame %d" % (frame.GetFunctionName(), frame.GetFrameID()) - print "" + print("--------------------------------------------------------------------------------------") + print("") + print("Unwind instructions for %s, frame %d" % (frame.GetFunctionName(), frame.GetFrameID())) + print("") debugger.HandleCommand( 'image show-unwind -a "0x%x"' % frame.GetPC()) if frame.GetPC() in additional_addresses_to_show_unwind: @@ -290,10 +291,10 @@ def diagnose_unwind(debugger, command, result, dict): frame.GetPC()) for address in list(additional_addresses_to_show_unwind): - print "--------------------------------------------------------------------------------------" - print "" - print "Unwind instructions for 0x%x" % address - print "" + print("--------------------------------------------------------------------------------------") + print("") + print("Unwind instructions for 0x%x" % address) + print("") debugger.HandleCommand( 'image show-unwind -a "0x%x"' % address) @@ -310,4 +311,4 @@ def create_diagnose_unwind_options(): lldb.debugger.HandleCommand( 'command script add -f %s.diagnose_unwind diagnose-unwind' % __name__) -print 'The "diagnose-unwind" command has been installed, type "help diagnose-unwind" for detailed help.' +print('The "diagnose-unwind" command has been installed, type "help diagnose-unwind" for detailed help.') |
