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Kernel+Userland: Add x86_64 registers to RegisterState/PtraceRegisters

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This commit is contained in:
Gunnar Beutner 2021-06-26 14:56:28 +02:00 • committed by Andreas Kling
parent 10ca7f18a7
commit 233ef26e4d
13 changed files with 265 additions and 23 deletions
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8
Kernel/Syscalls/get_stack_bounds.cpp
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@ -12,7 +12,13 @@ namespace Kernel {
KResultOr<int> Process::sys$get_stack_bounds(Userspace<FlatPtr*> user_stack_base, Userspace<size_t*> user_stack_size)
{
FlatPtr stack_pointer = Thread::current()->get_register_dump_from_stack().userspace_esp;
auto& regs = Thread::current()->get_register_dump_from_stack();
FlatPtr stack_pointer;
#if ARCH(I386)
stack_pointer = regs.userspace_esp;
#else
stack_pointer = regs.userspace_rsp;
#endif
auto* stack_region = space().find_region_containing(Range { VirtualAddress(stack_pointer), 1 });
// The syscall handler should have killed us if we had an invalid stack pointer.