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Kernel: Rename Process::space() => Process::address_space()

Browse Source 
We commonly talk about "a process's address space" so let's nudge the
code towards matching how we talk about it. :^)
This commit is contained in:
Andreas Kling 2021-08-06 13:59:22 +02:00
parent b7476d7a1b
commit 208147c77c
Notes: sideshowbarker 2024-07-18 07:24:50 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/208147c77cf
24 changed files with 80 additions and 80 deletions
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2
Kernel/Arch/x86/common/Interrupts.cpp
View File

@ -313,7 +313,7 @@ void page_fault_handler(TrapFrame* trap)
};
VirtualAddress userspace_sp = VirtualAddress { regs.userspace_sp() };
if (!faulted_in_kernel && !MM.validate_user_stack(current_thread->process().space(), userspace_sp)) {
if (!faulted_in_kernel && !MM.validate_user_stack(current_thread->process().address_space(), userspace_sp)) {
dbgln("Invalid stack pointer: {}", userspace_sp);
handle_crash(regs, "Bad stack on page fault", SIGSTKFLT);
}

10
Kernel/CoreDump.cpp
View File

@ -39,7 +39,7 @@ OwnPtr<CoreDump> CoreDump::create(NonnullRefPtr<Process> process, const String&
CoreDump::CoreDump(NonnullRefPtr<Process> process, NonnullRefPtr<FileDescription>&& fd)
: m_process(move(process))
, m_fd(move(fd))
, m_num_program_headers(m_process->space().region_count() + 1) // +1 for NOTE segment
, m_num_program_headers(m_process->address_space().region_count() + 1) // +1 for NOTE segment
{
}
@ -120,7 +120,7 @@ KResult CoreDump::write_elf_header()
KResult CoreDump::write_program_headers(size_t notes_size)
{
size_t offset = sizeof(ElfW(Ehdr)) + m_num_program_headers * sizeof(ElfW(Phdr));
for (auto& region : m_process->space().regions()) {
for (auto& region : m_process->address_space().regions()) {
ElfW(Phdr) phdr {};
phdr.p_type = PT_LOAD;
@ -161,7 +161,7 @@ KResult CoreDump::write_program_headers(size_t notes_size)
KResult CoreDump::write_regions()
{
for (auto& region : m_process->space().regions()) {
for (auto& region : m_process->address_space().regions()) {
if (region->is_kernel())
continue;
@ -255,7 +255,7 @@ ByteBuffer CoreDump::create_notes_regions_data() const
{
ByteBuffer regions_data;
size_t region_index = 0;
for (auto& region : m_process->space().regions()) {
for (auto& region : m_process->address_space().regions()) {
ByteBuffer memory_region_info_buffer;
ELF::Core::MemoryRegionInfo info {};
@ -319,7 +319,7 @@ ByteBuffer CoreDump::create_notes_segment_data() const
KResult CoreDump::write()
{
ScopedSpinLock lock(m_process->space().get_lock());
ScopedSpinLock lock(m_process->address_space().get_lock());
ProcessPagingScope scope(m_process);
ByteBuffer notes_segment = create_notes_segment_data();

2
Kernel/Devices/KCOVDevice.cpp
View File

@ -140,7 +140,7 @@ KResultOr<Memory::Region*> KCOVDevice::mmap(Process& process, FileDescription&,
return ENOBUFS; // Mmaped, before KCOV_SETBUFSIZE
}
return process.space().allocate_region_with_vmobject(
return process.address_space().allocate_region_with_vmobject(
range, *kcov_instance->vmobject, offset, {}, prot, shared);
}

2
Kernel/Devices/MemoryDevice.cpp
View File

@ -51,7 +51,7 @@ KResultOr<Memory::Region*> MemoryDevice::mmap(Process& process, FileDescription&
if (!vmobject)
return ENOMEM;
dbgln("MemoryDevice: Mapped physical memory at {} for range of {} bytes", viewed_address, range.size());
return process.space().allocate_region_with_vmobject(
return process.address_space().allocate_region_with_vmobject(
range,
vmobject.release_nonnull(),
0,

2
Kernel/FileSystem/AnonymousFile.cpp
View File

@ -27,7 +27,7 @@ KResultOr<Memory::Region*> AnonymousFile::mmap(Process& process, FileDescription
if (range.size() != m_vmobject->size())
return EINVAL;
return process.space().allocate_region_with_vmobject(range, m_vmobject, offset, {}, prot, shared);
return process.address_space().allocate_region_with_vmobject(range, m_vmobject, offset, {}, prot, shared);
}
}

2
Kernel/FileSystem/InodeFile.cpp
View File

@ -103,7 +103,7 @@ KResultOr<Memory::Region*> InodeFile::mmap(Process& process, FileDescription& de
vmobject = Memory::PrivateInodeVMObject::try_create_with_inode(inode());
if (!vmobject)
return ENOMEM;
return process.space().allocate_region_with_vmobject(range, vmobject.release_nonnull(), offset, description.absolute_path(), prot, shared);
return process.address_space().allocate_region_with_vmobject(range, vmobject.release_nonnull(), offset, description.absolute_path(), prot, shared);
}
String InodeFile::absolute_path(const FileDescription& description) const

14
Kernel/GlobalProcessExposed.cpp
View File

@ -453,13 +453,13 @@ private:
process_object.add("name", process.name());
process_object.add("executable", process.executable() ? process.executable()->absolute_path() : "");
process_object.add("tty", process.tty() ? process.tty()->tty_name() : "notty");
process_object.add("amount_virtual", process.space().amount_virtual());
process_object.add("amount_resident", process.space().amount_resident());
process_object.add("amount_dirty_private", process.space().amount_dirty_private());
process_object.add("amount_clean_inode", process.space().amount_clean_inode());
process_object.add("amount_shared", process.space().amount_shared());
process_object.add("amount_purgeable_volatile", process.space().amount_purgeable_volatile());
process_object.add("amount_purgeable_nonvolatile", process.space().amount_purgeable_nonvolatile());
process_object.add("amount_virtual", process.address_space().amount_virtual());
process_object.add("amount_resident", process.address_space().amount_resident());
process_object.add("amount_dirty_private", process.address_space().amount_dirty_private());
process_object.add("amount_clean_inode", process.address_space().amount_clean_inode());
process_object.add("amount_shared", process.address_space().amount_shared());
process_object.add("amount_purgeable_volatile", process.address_space().amount_purgeable_volatile());
process_object.add("amount_purgeable_nonvolatile", process.address_space().amount_purgeable_nonvolatile());
process_object.add("dumpable", process.is_dumpable());
process_object.add("kernel", process.is_kernel_process());
auto thread_array = process_object.add_array("threads");

2
Kernel/Graphics/FramebufferDevice.cpp
View File

@ -63,7 +63,7 @@ KResultOr<Memory::Region*> FramebufferDevice::mmap(Process& process, FileDescrip
} else {
chosen_vmobject = m_swapped_framebuffer_vmobject;
}
auto result = process.space().allocate_region_with_vmobject(
auto result = process.address_space().allocate_region_with_vmobject(
range,
chosen_vmobject.release_nonnull(),
0,

2
Kernel/Graphics/VirtIOGPU/FrameBufferDevice.cpp
View File

@ -259,7 +259,7 @@ KResultOr<Memory::Region*> FrameBufferDevice::mmap(Process& process, FileDescrip
if (vmobject.is_null())
return ENOMEM;
auto result = process.space().allocate_region_with_vmobject(
auto result = process.address_space().allocate_region_with_vmobject(
range,
vmobject.release_nonnull(),
0,

6
Kernel/Memory/MemoryManager.cpp
View File

@ -671,8 +671,8 @@ Region* MemoryManager::find_region_from_vaddr(VirtualAddress vaddr)
auto page_directory = PageDirectory::find_by_cr3(read_cr3());
if (!page_directory)
return nullptr;
VERIFY(page_directory->space());
return find_user_region_from_vaddr(*page_directory->space(), vaddr);
VERIFY(page_directory->address_space());
return find_user_region_from_vaddr(*page_directory->address_space(), vaddr);
}
PageFaultResponse MemoryManager::handle_page_fault(PageFault const& fault)
@ -930,7 +930,7 @@ RefPtr<PhysicalPage> MemoryManager::allocate_supervisor_physical_page()
void MemoryManager::enter_process_paging_scope(Process& process)
{
enter_space(process.space());
enter_space(process.address_space());
}
void MemoryManager::enter_space(AddressSpace& space)

4
Kernel/Memory/PageDirectory.h
View File

@ -41,8 +41,8 @@ public:
VirtualRangeAllocator& identity_range_allocator() { return m_identity_range_allocator; }
AddressSpace* space() { return m_space; }
const AddressSpace* space() const { return m_space; }
AddressSpace* address_space() { return m_space; }
const AddressSpace* address_space() const { return m_space; }
void set_space(Badge<AddressSpace>, AddressSpace& space) { m_space = &space; }

4
Kernel/PerformanceEventBuffer.cpp
View File

@ -261,7 +261,7 @@ OwnPtr<PerformanceEventBuffer> PerformanceEventBuffer::try_create_with_size(size
void PerformanceEventBuffer::add_process(const Process& process, ProcessEventType event_type)
{
ScopedSpinLock locker(process.space().get_lock());
ScopedSpinLock locker(process.address_space().get_lock());
String executable;
if (process.executable())
@ -278,7 +278,7 @@ void PerformanceEventBuffer::add_process(const Process& process, ProcessEventTyp
0, 0, PERF_EVENT_THREAD_CREATE, 0, 0, 0, nullptr);
});
for (auto& region : process.space().regions()) {
for (auto& region : process.address_space().regions()) {
[[maybe_unused]] auto rc = append_with_ip_and_bp(process.pid(), 0,
0, 0, PERF_EVENT_MMAP, 0, region->range().base().get(), region->range().size(), region->name());
}

4
Kernel/Process.cpp
View File

@ -267,7 +267,7 @@ Process::Process(const String& name, uid_t uid, gid_t gid, ProcessID ppid, bool
KResult Process::attach_resources(RefPtr<Thread>& first_thread, Process* fork_parent)
{
m_space = Memory::AddressSpace::try_create(*this, fork_parent ? &fork_parent->space() : nullptr);
m_space = Memory::AddressSpace::try_create(*this, fork_parent ? &fork_parent->address_space() : nullptr);
if (!m_space)
return ENOMEM;
@ -394,7 +394,7 @@ void Process::crash(int signal, FlatPtr ip, bool out_of_memory)
m_termination_signal = signal;
}
set_dump_core(!out_of_memory);
space().dump_regions();
address_space().dump_regions();
VERIFY(is_user_process());
die();
// We can not return from here, as there is nowhere

4
Kernel/Process.h
View File

@ -515,8 +515,8 @@ public:
PerformanceEventBuffer* perf_events() { return m_perf_event_buffer; }
Memory::AddressSpace& space() { return *m_space; }
Memory::AddressSpace const& space() const { return *m_space; }
Memory::AddressSpace& address_space() { return *m_space; }
Memory::AddressSpace const& address_space() const { return *m_space; }
VirtualAddress signal_trampoline() const { return m_signal_trampoline; }

4
Kernel/ProcessSpecificExposed.cpp
View File

@ -443,8 +443,8 @@ private:
return false;
JsonArraySerializer array { builder };
{
ScopedSpinLock lock(process->space().get_lock());
for (auto& region : process->space().regions()) {
ScopedSpinLock lock(process->address_space().get_lock());
for (auto& region : process->address_space().regions()) {
if (!region->is_user() && !Process::current()->is_superuser())
continue;
auto region_object = array.add_object();

2
Kernel/Syscall.cpp
View File

@ -201,7 +201,7 @@ NEVER_INLINE void syscall_handler(TrapFrame* trap)
PANIC("Syscall from process with IOPL != 0");
}
MM.validate_syscall_preconditions(process.space(), regs);
MM.validate_syscall_preconditions(process.address_space(), regs);
FlatPtr function;
FlatPtr arg1;

2
Kernel/Syscalls/execve.cpp
View File

@ -672,7 +672,7 @@ KResult Process::do_exec(NonnullRefPtr<FileDescription> main_program_description
regs.rip = load_result.entry_eip;
regs.rsp = new_userspace_sp;
#endif
regs.cr3 = space().page_directory().cr3();
regs.cr3 = address_space().page_directory().cr3();
{
TemporaryChange profiling_disabler(m_profiling, was_profiling);

10
Kernel/Syscalls/fork.cpp
View File

@ -42,7 +42,7 @@ KResultOr<FlatPtr> Process::sys$fork(RegisterState& regs)
}
dbgln_if(FORK_DEBUG, "fork: child={}", child);
child->space().set_enforces_syscall_regions(space().enforces_syscall_regions());
child->address_space().set_enforces_syscall_regions(address_space().enforces_syscall_regions());
#if ARCH(I386)
auto& child_regs = child_first_thread->m_regs;
@ -92,8 +92,8 @@ KResultOr<FlatPtr> Process::sys$fork(RegisterState& regs)
#endif
{
ScopedSpinLock lock(space().get_lock());
for (auto& region : space().regions()) {
ScopedSpinLock lock(address_space().get_lock());
for (auto& region : address_space().regions()) {
dbgln_if(FORK_DEBUG, "fork: cloning Region({}) '{}' @ {}", region, region->name(), region->vaddr());
auto region_clone = region->clone();
if (!region_clone) {
@ -102,13 +102,13 @@ KResultOr<FlatPtr> Process::sys$fork(RegisterState& regs)
return ENOMEM;
}
auto* child_region = child->space().add_region(region_clone.release_nonnull());
auto* child_region = child->address_space().add_region(region_clone.release_nonnull());
if (!child_region) {
dbgln("fork: Cannot add region, insufficient memory");
// TODO: tear down new process?
return ENOMEM;
}
child_region->map(child->space().page_directory(), Memory::ShouldFlushTLB::No);
child_region->map(child->address_space().page_directory(), Memory::ShouldFlushTLB::No);
if (region == m_master_tls_region.unsafe_ptr())
child->m_master_tls_region = child_region;

4
Kernel/Syscalls/futex.cpp
View File

@ -129,7 +129,7 @@ KResultOr<FlatPtr> Process::sys$futex(Userspace<const Syscall::SC_futex_params*>
// acquiring the queue lock
RefPtr<Memory::VMObject> vmobject, vmobject2;
if (!is_private) {
auto region = space().find_region_containing(Memory::VirtualRange { VirtualAddress { user_address_or_offset }, sizeof(u32) });
auto region = address_space().find_region_containing(Memory::VirtualRange { VirtualAddress { user_address_or_offset }, sizeof(u32) });
if (!region)
return EFAULT;
vmobject = region->vmobject();
@ -139,7 +139,7 @@ KResultOr<FlatPtr> Process::sys$futex(Userspace<const Syscall::SC_futex_params*>
case FUTEX_REQUEUE:
case FUTEX_CMP_REQUEUE:
case FUTEX_WAKE_OP: {
auto region2 = space().find_region_containing(Memory::VirtualRange { VirtualAddress { user_address_or_offset2 }, sizeof(u32) });
auto region2 = address_space().find_region_containing(Memory::VirtualRange { VirtualAddress { user_address_or_offset2 }, sizeof(u32) });
if (!region2)
return EFAULT;
vmobject2 = region2->vmobject();

2
Kernel/Syscalls/get_stack_bounds.cpp
View File

@ -14,7 +14,7 @@ KResultOr<FlatPtr> Process::sys$get_stack_bounds(Userspace<FlatPtr*> user_stack_
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
auto& regs = Thread::current()->get_register_dump_from_stack();
FlatPtr stack_pointer = regs.userspace_sp();
auto* stack_region = space().find_region_containing(Memory::VirtualRange { VirtualAddress(stack_pointer), 1 });
auto* stack_region = address_space().find_region_containing(Memory::VirtualRange { VirtualAddress(stack_pointer), 1 });
// The syscall handler should have killed us if we had an invalid stack pointer.
VERIFY(stack_region);

56
Kernel/Syscalls/mmap.cpp
View File

@ -202,13 +202,13 @@ KResultOr<FlatPtr> Process::sys$mmap(Userspace<const Syscall::SC_mmap_params*> u
Optional<Memory::VirtualRange> range;
if (map_randomized) {
range = space().page_directory().range_allocator().allocate_randomized(Memory::page_round_up(size), alignment);
range = address_space().page_directory().range_allocator().allocate_randomized(Memory::page_round_up(size), alignment);
} else {
range = space().allocate_range(VirtualAddress(addr), size, alignment);
range = address_space().allocate_range(VirtualAddress(addr), size, alignment);
if (!range.has_value()) {
if (addr && !map_fixed) {
// If there's an address but MAP_FIXED wasn't specified, the address is just a hint.
range = space().allocate_range({}, size, alignment);
range = address_space().allocate_range({}, size, alignment);
}
}
}
@ -225,7 +225,7 @@ KResultOr<FlatPtr> Process::sys$mmap(Userspace<const Syscall::SC_mmap_params*> u
vmobject = Memory::AnonymousVMObject::try_create_with_size(Memory::page_round_up(size), strategy);
if (!vmobject)
return ENOMEM;
auto region_or_error = space().allocate_region_with_vmobject(range.value(), vmobject.release_nonnull(), 0, {}, prot, map_shared);
auto region_or_error = address_space().allocate_region_with_vmobject(range.value(), vmobject.release_nonnull(), 0, {}, prot, map_shared);
if (region_or_error.is_error())
return region_or_error.error().error();
region = region_or_error.value();
@ -309,7 +309,7 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
if (!is_user_range(range_to_mprotect))
return EFAULT;
if (auto* whole_region = space().find_region_from_range(range_to_mprotect)) {
if (auto* whole_region = address_space().find_region_from_range(range_to_mprotect)) {
if (!whole_region->is_mmap())
return EPERM;
if (!validate_mmap_prot(prot, whole_region->is_stack(), whole_region->vmobject().is_anonymous(), whole_region))
@ -329,7 +329,7 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
}
// Check if we can carve out the desired range from an existing region
if (auto* old_region = space().find_region_containing(range_to_mprotect)) {
if (auto* old_region = address_space().find_region_containing(range_to_mprotect)) {
if (!old_region->is_mmap())
return EPERM;
if (!validate_mmap_prot(prot, old_region->is_stack(), old_region->vmobject().is_anonymous(), old_region))
@ -343,20 +343,20 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
// Remove the old region from our regions tree, since were going to add another region
// with the exact same start address, but dont deallocate it yet
auto region = space().take_region(*old_region);
auto region = address_space().take_region(*old_region);
// Unmap the old region here, specifying that we *don't* want the VM deallocated.
region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryVirtualRange::No);
// This vector is the region(s) adjacent to our range.
// We need to allocate a new region for the range we wanted to change permission bits on.
auto adjacent_regions_or_error = space().try_split_region_around_range(*region, range_to_mprotect);
auto adjacent_regions_or_error = address_space().try_split_region_around_range(*region, range_to_mprotect);
if (adjacent_regions_or_error.is_error())
return adjacent_regions_or_error.error();
auto& adjacent_regions = adjacent_regions_or_error.value();
size_t new_range_offset_in_vmobject = region->offset_in_vmobject() + (range_to_mprotect.base().get() - region->range().base().get());
auto new_region_or_error = space().try_allocate_split_region(*region, range_to_mprotect, new_range_offset_in_vmobject);
auto new_region_or_error = address_space().try_allocate_split_region(*region, range_to_mprotect, new_range_offset_in_vmobject);
if (new_region_or_error.is_error())
return new_region_or_error.error();
auto& new_region = *new_region_or_error.value();
@ -366,13 +366,13 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
// Map the new regions using our page directory (they were just allocated and don't have one).
for (auto* adjacent_region : adjacent_regions) {
adjacent_region->map(space().page_directory());
adjacent_region->map(address_space().page_directory());
}
new_region.map(space().page_directory());
new_region.map(address_space().page_directory());
return 0;
}
if (const auto& regions = space().find_regions_intersecting(range_to_mprotect); regions.size()) {
if (const auto& regions = address_space().find_regions_intersecting(range_to_mprotect); regions.size()) {
size_t full_size_found = 0;
// first check before doing anything
for (const auto* region : regions) {
@ -406,14 +406,14 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
}
// Remove the old region from our regions tree, since were going to add another region
// with the exact same start address, but dont deallocate it yet
auto region = space().take_region(*old_region);
auto region = address_space().take_region(*old_region);
// Unmap the old region here, specifying that we *don't* want the VM deallocated.
region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryVirtualRange::No);
// This vector is the region(s) adjacent to our range.
// We need to allocate a new region for the range we wanted to change permission bits on.
auto adjacent_regions_or_error = space().try_split_region_around_range(*old_region, intersection_to_mprotect);
auto adjacent_regions_or_error = address_space().try_split_region_around_range(*old_region, intersection_to_mprotect);
if (adjacent_regions_or_error.is_error())
return adjacent_regions_or_error.error();
auto& adjacent_regions = adjacent_regions_or_error.value();
@ -422,7 +422,7 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
VERIFY(adjacent_regions.size() == 1);
size_t new_range_offset_in_vmobject = old_region->offset_in_vmobject() + (intersection_to_mprotect.base().get() - old_region->range().base().get());
auto new_region_or_error = space().try_allocate_split_region(*region, intersection_to_mprotect, new_range_offset_in_vmobject);
auto new_region_or_error = address_space().try_allocate_split_region(*region, intersection_to_mprotect, new_range_offset_in_vmobject);
if (new_region_or_error.is_error())
return new_region_or_error.error();
@ -433,9 +433,9 @@ KResultOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int
// Map the new region using our page directory (they were just allocated and don't have one) if any.
if (adjacent_regions.size())
adjacent_regions[0]->map(space().page_directory());
adjacent_regions[0]->map(address_space().page_directory());
new_region.map(space().page_directory());
new_region.map(address_space().page_directory());
}
return 0;
@ -461,7 +461,7 @@ KResultOr<FlatPtr> Process::sys$madvise(Userspace<void*> address, size_t size, i
if (!is_user_range(range_to_madvise))
return EFAULT;
auto* region = space().find_region_from_range(range_to_madvise);
auto* region = address_space().find_region_from_range(range_to_madvise);
if (!region)
return EINVAL;
if (!region->is_mmap())
@ -508,7 +508,7 @@ KResultOr<FlatPtr> Process::sys$set_mmap_name(Userspace<const Syscall::SC_set_mm
auto range = range_or_error.value();
auto* region = space().find_region_from_range(range);
auto* region = address_space().find_region_from_range(range);
if (!region)
return EINVAL;
if (!region->is_mmap())
@ -525,7 +525,7 @@ KResultOr<FlatPtr> Process::sys$munmap(Userspace<void*> addr, size_t size)
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
auto result = space().unmap_mmap_range(VirtualAddress { addr }, size);
auto result = address_space().unmap_mmap_range(VirtualAddress { addr }, size);
if (result.is_error())
return result;
return 0;
@ -546,7 +546,7 @@ KResultOr<FlatPtr> Process::sys$mremap(Userspace<const Syscall::SC_mremap_params
auto old_range = range_or_error.value();
auto* old_region = space().find_region_from_range(old_range);
auto* old_region = address_space().find_region_from_range(old_range);
if (!old_region)
return EINVAL;
@ -567,9 +567,9 @@ KResultOr<FlatPtr> Process::sys$mremap(Userspace<const Syscall::SC_mremap_params
// Unmap without deallocating the VM range since we're going to reuse it.
old_region->unmap(Memory::Region::ShouldDeallocateVirtualMemoryVirtualRange::No);
space().deallocate_region(*old_region);
address_space().deallocate_region(*old_region);
auto new_region_or_error = space().allocate_region_with_vmobject(range, new_vmobject.release_nonnull(), old_offset, old_name->view(), old_prot, false);
auto new_region_or_error = address_space().allocate_region_with_vmobject(range, new_vmobject.release_nonnull(), old_offset, old_name->view(), old_prot, false);
if (new_region_or_error.is_error())
return new_region_or_error.error().error();
auto& new_region = *new_region_or_error.value();
@ -608,11 +608,11 @@ KResultOr<FlatPtr> Process::sys$allocate_tls(Userspace<const char*> initial_data
if (multiple_threads)
return EINVAL;
auto range = space().allocate_range({}, size);
auto range = address_space().allocate_range({}, size);
if (!range.has_value())
return ENOMEM;
auto region_or_error = space().allocate_region(range.value(), String("Master TLS"), PROT_READ | PROT_WRITE);
auto region_or_error = address_space().allocate_region(range.value(), String("Master TLS"), PROT_READ | PROT_WRITE);
if (region_or_error.is_error())
return region_or_error.error().error();
@ -646,18 +646,18 @@ KResultOr<FlatPtr> Process::sys$allocate_tls(Userspace<const char*> initial_data
KResultOr<FlatPtr> Process::sys$msyscall(Userspace<void*> address)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
if (space().enforces_syscall_regions())
if (address_space().enforces_syscall_regions())
return EPERM;
if (!address) {
space().set_enforces_syscall_regions(true);
address_space().set_enforces_syscall_regions(true);
return 0;
}
if (!Memory::is_user_address(VirtualAddress { address }))
return EFAULT;
auto* region = space().find_region_containing(Memory::VirtualRange { VirtualAddress { address }, 1 });
auto* region = address_space().find_region_containing(Memory::VirtualRange { VirtualAddress { address }, 1 });
if (!region)
return EINVAL;

2
Kernel/Syscalls/ptrace.cpp
View File

@ -195,7 +195,7 @@ KResultOr<u32> Process::peek_user_data(Userspace<const u32*> address)
KResult Process::poke_user_data(Userspace<u32*> address, u32 data)
{
Memory::VirtualRange range = { VirtualAddress(address), sizeof(u32) };
auto* region = space().find_region_containing(range);
auto* region = address_space().find_region_containing(range);
if (!region)
return EFAULT;
ProcessPagingScope scope(*this);

6
Kernel/Syscalls/thread.cpp
View File

@ -31,7 +31,7 @@ KResultOr<FlatPtr> Process::sys$create_thread(void* (*entry)(void*), Userspace<c
if (user_sp.has_overflow())
return EOVERFLOW;
if (!MM.validate_user_stack(this->space(), VirtualAddress(user_sp.value() - 4)))
if (!MM.validate_user_stack(this->address_space(), VirtualAddress(user_sp.value() - 4)))
return EFAULT;
// FIXME: return EAGAIN if Thread::all_threads().size() is greater than PTHREAD_THREADS_MAX
@ -73,7 +73,7 @@ KResultOr<FlatPtr> Process::sys$create_thread(void* (*entry)(void*), Userspace<c
regs.rdx = params.rdx;
regs.rcx = params.rcx;
#endif
regs.cr3 = space().page_directory().cr3();
regs.cr3 = address_space().page_directory().cr3();
auto tsr_result = thread->make_thread_specific_region({});
if (tsr_result.is_error())
@ -102,7 +102,7 @@ void Process::sys$exit_thread(Userspace<void*> exit_value, Userspace<void*> stac
PerformanceManager::add_thread_exit_event(*current_thread);
if (stack_location) {
auto unmap_result = space().unmap_mmap_range(VirtualAddress { stack_location }, stack_size);
auto unmap_result = address_space().unmap_mmap_range(VirtualAddress { stack_location }, stack_size);
if (unmap_result.is_error())
dbgln("Failed to unmap thread stack, terminating thread anyway. Error code: {}", unmap_result.error());
}

12
Kernel/Thread.cpp
View File

@ -117,7 +117,7 @@ Thread::Thread(NonnullRefPtr<Process> process, NonnullOwnPtr<Memory::Region> ker
m_regs.cs = GDT_SELECTOR_CODE3 | 3;
#endif
m_regs.cr3 = m_process->space().page_directory().cr3();
m_regs.cr3 = m_process->address_space().page_directory().cr3();
m_kernel_stack_base = m_kernel_stack_region->vaddr().get();
m_kernel_stack_top = m_kernel_stack_region->vaddr().offset(default_kernel_stack_size).get() & ~(FlatPtr)0x7u;
@ -404,8 +404,8 @@ void Thread::exit(void* exit_value)
u32 unlock_count;
[[maybe_unused]] auto rc = unlock_process_if_locked(unlock_count);
if (m_thread_specific_range.has_value()) {
auto* region = process().space().find_region_from_range(m_thread_specific_range.value());
process().space().deallocate_region(*region);
auto* region = process().address_space().find_region_from_range(m_thread_specific_range.value());
process().address_space().deallocate_region(*region);
}
#ifdef ENABLE_KERNEL_COVERAGE_COLLECTION
KCOVDevice::free_thread();
@ -1158,7 +1158,7 @@ static bool symbolicate(RecognizedSymbol const& symbol, Process& process, String
if (!Memory::is_user_address(VirtualAddress(symbol.address))) {
builder.append("0xdeadc0de\n");
} else {
if (auto* region = process.space().find_region_containing({ VirtualAddress(symbol.address), sizeof(FlatPtr) })) {
if (auto* region = process.address_space().find_region_containing({ VirtualAddress(symbol.address), sizeof(FlatPtr) })) {
size_t offset = symbol.address - region->vaddr().get();
if (auto region_name = region->name(); !region_name.is_null() && !region_name.is_empty())
builder.appendff("{:p} {} + {:#x}\n", (void*)symbol.address, region_name, offset);
@ -1219,11 +1219,11 @@ KResult Thread::make_thread_specific_region(Badge<Process>)
if (!process().m_master_tls_region)
return KSuccess;
auto range = process().space().allocate_range({}, thread_specific_region_size());
auto range = process().address_space().allocate_range({}, thread_specific_region_size());
if (!range.has_value())
return ENOMEM;
auto region_or_error = process().space().allocate_region(range.value(), "Thread-specific", PROT_READ | PROT_WRITE);
auto region_or_error = process().address_space().allocate_region(range.value(), "Thread-specific", PROT_READ | PROT_WRITE);
if (region_or_error.is_error())
return region_or_error.error();