diff options
Diffstat (limited to 'lldb/utils/test/disasm.py')
| -rwxr-xr-x | lldb/utils/test/disasm.py | 92 |
1 files changed, 65 insertions, 27 deletions
diff --git a/lldb/utils/test/disasm.py b/lldb/utils/test/disasm.py index 4666029..e75c070 100755 --- a/lldb/utils/test/disasm.py +++ b/lldb/utils/test/disasm.py @@ -10,10 +10,12 @@ import os import sys from optparse import OptionParser + def is_exe(fpath): """Check whether fpath is an executable.""" return os.path.isfile(fpath) and os.access(fpath, os.X_OK) + def which(program): """Find the full path to a program, or return None.""" fpath, fname = os.path.split(program) @@ -27,8 +29,15 @@ def which(program): return exe_file return None -def do_llvm_mc_disassembly(gdb_commands, gdb_options, exe, func, mc, mc_options): - from cStringIO import StringIO + +def do_llvm_mc_disassembly( + gdb_commands, + gdb_options, + exe, + func, + mc, + mc_options): + from cStringIO import StringIO import pexpect gdb_prompt = "\r\n\(gdb\) " @@ -37,7 +46,8 @@ def do_llvm_mc_disassembly(gdb_commands, gdb_options, exe, func, mc, mc_options) gdb.logfile_read = sys.stdout gdb.expect(gdb_prompt) - # See if there any extra command(s) to execute before we issue the file command. + # See if there any extra command(s) to execute before we issue the file + # command. for cmd in gdb_commands: gdb.sendline(cmd) gdb.expect(gdb_prompt) @@ -93,12 +103,14 @@ def do_llvm_mc_disassembly(gdb_commands, gdb_options, exe, func, mc, mc_options) # Get the last output line from the gdb examine memory command, # split the string into a 3-tuple with separator '>:' to handle # objc method names. - memory_dump = x_output.split(os.linesep)[-1].partition('>:')[2].strip() - #print "\nbytes:", memory_dump + memory_dump = x_output.split( + os.linesep)[-1].partition('>:')[2].strip() + # print "\nbytes:", memory_dump disasm_str = prev_line.partition('>:')[2] print >> mc_input, '%s # %s' % (memory_dump, disasm_str) - # We're done with the processing. Assign the current line to be prev_line. + # We're done with the processing. Assign the current line to be + # prev_line. prev_line = line # Close the gdb session now that we are done with it. @@ -117,15 +129,21 @@ def do_llvm_mc_disassembly(gdb_commands, gdb_options, exe, func, mc, mc_options) # And invoke llvm-mc with the just recorded file. #mc = pexpect.spawn('%s -disassemble %s disasm-input.txt' % (mc, mc_options)) #mc.logfile_read = sys.stdout - #print "mc:", mc - #mc.close() - + # print "mc:", mc + # mc.close() + def main(): # This is to set up the Python path to include the pexpect-2.4 dir. # Remember to update this when/if things change. scriptPath = sys.path[0] - sys.path.append(os.path.join(scriptPath, os.pardir, os.pardir, 'test', 'pexpect-2.4')) + sys.path.append( + os.path.join( + scriptPath, + os.pardir, + os.pardir, + 'test', + 'pexpect-2.4')) parser = OptionParser(usage="""\ Run gdb to disassemble a function, feed the bytes to 'llvm-mc -disassemble' command, @@ -133,32 +151,46 @@ and display the disassembly result. Usage: %prog [options] """) - parser.add_option('-C', '--gdb-command', - type='string', action='append', metavar='COMMAND', - default=[], dest='gdb_commands', - help='Command(s) gdb executes after starting up (can be empty)') - parser.add_option('-O', '--gdb-options', - type='string', action='store', - dest='gdb_options', - help="""The options passed to 'gdb' command if specified.""") + parser.add_option( + '-C', + '--gdb-command', + type='string', + action='append', + metavar='COMMAND', + default=[], + dest='gdb_commands', + help='Command(s) gdb executes after starting up (can be empty)') + parser.add_option( + '-O', + '--gdb-options', + type='string', + action='store', + dest='gdb_options', + help="""The options passed to 'gdb' command if specified.""") parser.add_option('-e', '--executable', type='string', action='store', dest='executable', help="""The executable to do disassembly on.""") - parser.add_option('-f', '--function', - type='string', action='store', - dest='function', - help="""The function name (could be an address to gdb) for disassembly.""") + parser.add_option( + '-f', + '--function', + type='string', + action='store', + dest='function', + help="""The function name (could be an address to gdb) for disassembly.""") parser.add_option('-m', '--llvm-mc', type='string', action='store', dest='llvm_mc', help="""The llvm-mc executable full path, if specified. Otherwise, it must be present in your PATH environment.""") - parser.add_option('-o', '--options', - type='string', action='store', - dest='llvm_mc_options', - help="""The options passed to 'llvm-mc -disassemble' command if specified.""") + parser.add_option( + '-o', + '--options', + type='string', + action='store', + dest='llvm_mc_options', + help="""The options passed to 'llvm-mc -disassemble' command if specified.""") opts, args = parser.parse_args() @@ -192,7 +224,13 @@ Usage: %prog [options] print "llvm-mc:", llvm_mc print "llvm-mc options:", llvm_mc_options - do_llvm_mc_disassembly(gdb_commands, gdb_options, executable, function, llvm_mc, llvm_mc_options) + do_llvm_mc_disassembly( + gdb_commands, + gdb_options, + executable, + function, + llvm_mc, + llvm_mc_options) if __name__ == '__main__': main() |