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Kernel+LibELF: Stop doing ELF symbolication in the kernel
Now that the CrashDaemon symbolicates crashes in userspace, let's take this one step further and stop trying to symbolicate userspace programs in the kernel at all.
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edf01803cd
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7 changed files with 11 additions and 98 deletions
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@ -52,7 +52,6 @@
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#include <Kernel/VM/SharedInodeVMObject.h>
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#include <LibC/errno_numbers.h>
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#include <LibC/limits.h>
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#include <LibELF/Loader.h>
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//#define DEBUG_IO
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//#define DEBUG_POLL_SELECT
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@ -462,8 +461,6 @@ void Process::crash(int signal, u32 eip, bool out_of_memory)
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if (eip >= 0xc0000000 && g_kernel_symbols_available) {
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auto* symbol = symbolicate_kernel_address(eip);
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dbg() << "\033[31;1m" << String::format("%p", eip) << " " << (symbol ? demangle(symbol->name) : "(k?)") << " +" << (symbol ? eip - symbol->address : 0) << "\033[0m\n";
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} else if (auto elf_bundle = this->elf_bundle()) {
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dbg() << "\033[31;1m" << String::format("%p", eip) << " " << elf_bundle->elf_loader->symbolicate(eip) << "\033[0m\n";
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} else {
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dbg() << "\033[31;1m" << String::format("%p", eip) << " (?)\033[0m\n";
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}
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@ -891,23 +888,6 @@ void Process::set_tty(TTY* tty)
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m_tty = tty;
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}
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OwnPtr<Process::ELFBundle> Process::elf_bundle() const
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{
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if (!m_executable)
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return nullptr;
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auto bundle = make<ELFBundle>();
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if (!m_executable->inode().shared_vmobject()) {
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return nullptr;
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}
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ASSERT(m_executable->inode().shared_vmobject());
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auto& vmobject = *m_executable->inode().shared_vmobject();
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bundle->region = MM.allocate_kernel_region_with_vmobject(const_cast<SharedInodeVMObject&>(vmobject), vmobject.size(), "ELF bundle", Region::Access::Read);
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if (!bundle->region)
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return nullptr;
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bundle->elf_loader = ELF::Loader::create(bundle->region->vaddr().as_ptr(), bundle->region->size());
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return bundle;
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}
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void Process::start_tracing_from(ProcessID tracer)
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{
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m_tracer = ThreadTracer::create(tracer);
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