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ruby--ruby/misc/lldb_rb/commands/rclass_ext_command.py
Matt Valentine-House b26aec9daa [ci-skip][Feature #18910][lldb] New directory structure
Push the newly refactored lldb files into a sub-directory so that we're
not cluttering up the misc directory
2022-08-18 13:25:32 -04:00

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Python

from lldb_rb.rb_base_command import RbBaseCommand
class RclassExtCommand(RbBaseCommand):
program = "rclass_ext"
help_string = "retrieves and prints the rb_classext_struct for the VALUE pointer passed in"
def call(self, debugger, command, exe_ctx, result):
uintptr_t = self.target.FindFirstType("uintptr_t")
rclass_t = self.target.FindFirstType("struct RClass")
rclass_ext_t = self.target.FindFirstType("rb_classext_t")
rclass_addr = self.target.EvaluateExpression(command).Cast(uintptr_t)
rclass_ext_addr = (rclass_addr.GetValueAsUnsigned() + rclass_t.GetByteSize())
debugger.HandleCommand("p *(rb_classext_t *)%0#x" % rclass_ext_addr)