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Kernel: Add ability to load interpreter instead of main program
When the main executable needs an interpreter, we load the requested interpreter program, and pass to it an open file decsriptor to the main executable via the auxiliary vector. Note that we do not allocate a TLS region for the interpreter.
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6 changed files with 219 additions and 151 deletions
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@ -1105,6 +1105,10 @@ Vector<FlatPtr> Thread::raw_backtrace(FlatPtr ebp, FlatPtr eip) const
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KResult Thread::make_thread_specific_region(Badge<Process>)
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{
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// The process may not require a TLS region
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if (!process().m_master_tls_region)
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return KSuccess;
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size_t thread_specific_region_alignment = max(process().m_master_tls_alignment, alignof(ThreadSpecificData));
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m_thread_specific_region_size = align_up_to(process().m_master_tls_size, thread_specific_region_alignment) + sizeof(ThreadSpecificData);
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auto* region = process().allocate_region({}, m_thread_specific_region_size, "Thread-specific", PROT_READ | PROT_WRITE, true);
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