xref: /llvm-project/lldb/examples/python/gdb_disassemble.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1import lldb
2
3
4def disassemble(debugger, command, result, dict):
5    if lldb.frame.function:
6        instructions = lldb.frame.function.instructions
7        start_addr = lldb.frame.function.addr.load_addr
8        name = lldb.frame.function.name
9    elif lldb.frame.symbol:
10        instructions = lldb.frame.symbol.instructions
11        start_addr = lldb.frame.symbol.addr.load_addr
12        name = lldb.frame.symbol.name
13
14    for inst in instructions:
15        inst_addr = inst.addr.load_addr
16        inst_offset = inst_addr - start_addr
17        comment = inst.comment
18        if comment:
19            print(
20                "<%s + %-4u> 0x%x %8s  %s ; %s"
21                % (name, inst_offset, inst_addr, inst.mnemonic, inst.operands, comment)
22            )
23        else:
24            print(
25                "<%s + %-4u> 0x%x %8s  %s"
26                % (name, inst_offset, inst_addr, inst.mnemonic, inst.operands)
27            )
28
29
30# Install the command when the module gets imported
31def __lldb_init_module(debugger, internal_dict):
32    debugger.HandleCommand(
33        "command script add -o -f gdb_disassemble.disassemble gdb-disassemble"
34    )
35    print('Installed "gdb-disassemble" command for disassembly')
36