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<body class='hmmessage'><div dir='ltr'>Hi,<BR> <BR>I am using LLDB 3.7.0 C++ API. My program stops at a certain breakpoint and if I call SBFrame::EvaluateExpression() there, when I let it go it terminates with SIG_ILL on an innocent thread. I dug up into this, and there seems to be two independent problems there, this mail is about the second one.<BR> <BR><ol><li>EvaluateExpression() calls Process::CanJIT() which in turn executes mmap() on the inferior. This mmap gets SIG_ILL because execution starts at address which is 2 bytes before the very first mmap instruction. I am still looking why LLDB server decided to do that - I am pretty sure that the client asked to set the program counter to correct value.</li><li>So, the thread execution terminates and the signal is recorded on Thread::m_resume_signal. This field is not cleared during Thread::RestoreThreadStateFromCheckpoint() and fires when I resume the program after breakpoint.</li></ol> <BR>So, what would be the best way to deal with the situation? Should I add "resume signal" field to ThreadStateCheckpoint? Or would StopInfo be a better place for that? Or something else?<BR> <BR>Thanks,<BR>Eugene<BR> </div></body>
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