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Kernel: Make handle_crash available to aarch64

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This commit is contained in:
James Mintram 2022-04-02 23:55:20 +01:00 • committed by Brian Gianforcaro
parent d3b6201b40
commit 6299a69253
8 changed files with 75 additions and 33 deletions
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34
Kernel/Arch/x86/common/Interrupts.cpp
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@ -23,6 +23,7 @@
#include <LibC/mallocdefs.h>
#include <Kernel/Arch/CPU.h>
#include <Kernel/Arch/PageFault.h>
#include <Kernel/Arch/Processor.h>
#include <Kernel/Arch/RegisterState.h>
@ -174,7 +175,7 @@ static EntropySource s_entropy_source_interrupts { EntropySource::Static::Interr
// clang-format on
static void dump(RegisterState const& regs)
void dump_registers(RegisterState const& regs)
{
#if ARCH(I386)
u16 ss;
@ -216,35 +217,6 @@ static void dump(RegisterState const& regs)
#endif
}
void handle_crash(RegisterState const& regs, char const* description, int signal, bool out_of_memory)
{
auto* current_thread = Thread::current();
if (!current_thread)
PANIC("{} with !Thread::current()", description);
auto crashed_in_kernel = (regs.cs & 3) == 0;
if (!crashed_in_kernel && current_thread->has_signal_handler(signal) && !current_thread->should_ignore_signal(signal) && !current_thread->is_signal_masked(signal)) {
current_thread->send_urgent_signal_to_self(signal);
return;
}
auto& process = current_thread->process();
// If a process crashed while inspecting another process,
// make sure we switch back to the right page tables.
Memory::MemoryManager::enter_process_address_space(process);
dmesgln("CRASH: CPU #{} {} in ring {}", Processor::current_id(), description, (regs.cs & 3));
dump(regs);
if (crashed_in_kernel) {
process.address_space().dump_regions();
PANIC("Crash in ring 0");
}
process.crash(signal, regs.ip(), out_of_memory);
}
EH_ENTRY_NO_CODE(6, illegal_instruction);
void illegal_instruction_handler(TrapFrame* trap)
{
@ -295,7 +267,7 @@ void page_fault_handler(TrapFrame* trap)
regs.exception_code & 2 ? "write" : "read",
VirtualAddress(fault_address));
dump(regs);
dump_registers(regs);
}
bool faulted_in_kernel = !(regs.cs & 3);