diff options
Diffstat (limited to 'misc/lldb_disasm.py')
| -rw-r--r-- | misc/lldb_disasm.py | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/misc/lldb_disasm.py b/misc/lldb_disasm.py index c02af52bc4..ab759f009a 100644 --- a/misc/lldb_disasm.py +++ b/misc/lldb_disasm.py @@ -27,6 +27,7 @@ class IseqDisassembler: TS_CDHASH = b'H'[0] TS_IC = b'K'[0] TS_IVC = b'A'[0] + TS_ICVARC = b'J'[0] TS_ID = b'I'[0] TS_ISE = b'T'[0] TS_ISEQ = b'S'[0] @@ -48,6 +49,7 @@ class IseqDisassembler: TS_ISE: "(iseq_inline_storage_entry *)%0#x", TS_ID: "ID: %0#x", TS_IVC: "(struct iseq_inline_iv_cache_entry *)%0#x", + TS_ICVARC: "(struct iseq_inline_cvar_cache_entry *)%0#x", TS_IC: "(struct iseq_inline_cache_entry *)%0#x", TS_CDHASH: "CDHASH (VALUE)%0#x", TS_CALLDATA: "(struct rb_call_data *)%0#x", @@ -61,6 +63,7 @@ class IseqDisassembler: self.internal_dict = internal_dict self.target = debugger.GetSelectedTarget() + self.insns_address_table = self.__get_insns_address_table() self.process = self.target.GetProcess() self.thread = self.process.GetSelectedThread() self.frame = self.thread.GetSelectedFrame() @@ -86,7 +89,7 @@ class IseqDisassembler: tIntPtr = target.FindFirstType("intptr_t") size = target.EvaluateExpression('ruby_vminsn_type::VM_INSTRUCTION_SIZE').unsigned sizeOfIntPtr = tIntPtr.GetByteSize() - addr_of_table = target.FindSymbols("vm_exec_core.insns_address_table")[0].GetSymbol().GetStartAddress().GetLoadAddress(target) + addr_of_table = self.insns_address_table.GetStartAddress().GetLoadAddress(target) my_dict = {} @@ -142,7 +145,7 @@ class IseqDisassembler: def insn_len(self, target, offset): size_of_char = self.tChar.GetByteSize() - symbol = target.FindSymbols("insn_len.t")[0].GetSymbol() + symbol = target.FindSymbols("rb_vm_insn_len_info")[0].GetSymbol() section = symbol.GetStartAddress().GetSection() addr_of_table = symbol.GetStartAddress().GetOffset() @@ -160,7 +163,7 @@ class IseqDisassembler: size_of_short = tUShort.GetByteSize() size_of_char = self.tChar.GetByteSize() - symbol = target.FindSymbols("insn_op_types.y")[0].GetSymbol() + symbol = target.FindSymbols("rb_vm_insn_op_offset")[0].GetSymbol() section = symbol.GetStartAddress().GetSection() addr_of_table = symbol.GetStartAddress().GetOffset() @@ -172,7 +175,7 @@ class IseqDisassembler: if not error.Success(): print("error getting op type offset: ", error) - symbol = target.FindSymbols("insn_op_types.x")[0].GetSymbol() + symbol = target.FindSymbols("rb_vm_insn_op_base")[0].GetSymbol() section = symbol.GetStartAddress().GetSection() addr_of_table = symbol.GetStartAddress().GetOffset() addr_in_name_table = addr_of_table + (offset * size_of_char) @@ -188,7 +191,7 @@ class IseqDisassembler: tUShort = target.FindFirstType("unsigned short") size_of_short = tUShort.GetByteSize() - symbol = target.FindSymbols("insn_name.y")[0].GetSymbol() + symbol = target.FindSymbols("rb_vm_insn_name_offset")[0].GetSymbol() section = symbol.GetStartAddress().GetSection() table_offset = symbol.GetStartAddress().GetOffset() @@ -203,7 +206,7 @@ class IseqDisassembler: print("error getting insn name table offset: ", error) def insn_name(self, target, process, result, offset): - symbol = target.FindSymbols("insn_name.x")[0].GetSymbol() + symbol = target.FindSymbols("rb_vm_insn_name_base")[0].GetSymbol() section = symbol.GetStartAddress().GetSection() addr_of_table = symbol.GetStartAddress().GetOffset() @@ -218,6 +221,15 @@ class IseqDisassembler: else: print('error getting insn name', error) + def __get_insns_address_table(self): + module = self.target.FindSymbols("vm_exec_core")[0].GetModule() + + for symbol in module: + if "insns_address_table" in symbol.name and symbol.GetType() == lldb.eSymbolTypeData: + print(f"found symbol {symbol.name}") + return symbol + + def disasm(debugger, command, result, internal_dict): disassembler = IseqDisassembler(debugger, command, result, internal_dict) frame = disassembler.frame @@ -233,7 +245,6 @@ def disasm(debugger, command, result, internal_dict): disassembler.disasm(val); - def __lldb_init_module(debugger, internal_dict): debugger.HandleCommand("command script add -f lldb_disasm.disasm rbdisasm") print("lldb Ruby disasm installed.") |