use core::ffi::c_int;
use crate::boolean::boolean_t;
use crate::kern_return::kern_return_t;
use crate::mach_types::{
mem_entry_name_port_t,
vm_task_entry_t
};
use crate::memory_object_types::{
memory_object_offset_t,
memory_object_size_t
};
use crate::message::mach_msg_type_number_t;
use crate::port::mach_port_t;
use crate::vm_attributes::{
vm_machine_attribute_t,
vm_machine_attribute_val_t
};
use crate::vm_behavior::vm_behavior_t;
use crate::vm_inherit::vm_inherit_t;
use crate::vm_prot::vm_prot_t;
use crate::vm_purgable::vm_purgable_t;
use crate::vm_region::{
mach_vm_read_entry_t,
vm_page_info_flavor_t,
vm_page_info_t,
vm_region_flavor_t,
vm_region_info_t,
vm_region_recurse_info_t,
};
use crate::vm_sync::vm_sync_t;
use crate::vm_types::{
integer_t,
mach_vm_address_t,
mach_vm_offset_t,
mach_vm_size_t,
natural_t,
vm_map_t,
vm_offset_t,
vm_size_t,
};
extern "C" {
pub fn mach_vm_allocate(
target: vm_task_entry_t,
address: *mut mach_vm_address_t,
size: mach_vm_size_t,
flags: c_int,
) -> kern_return_t;
pub fn mach_vm_deallocate(
target: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
) -> kern_return_t;
pub fn mach_vm_protect(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
set_maximum: boolean_t,
new_protection: vm_prot_t,
) -> kern_return_t;
pub fn mach_vm_inherit(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
new_inheritance: vm_inherit_t,
) -> kern_return_t;
pub fn mach_vm_read(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
data: *mut vm_offset_t,
dataCnt: *mut mach_msg_type_number_t,
) -> kern_return_t;
#[allow(improper_ctypes)]
pub fn mach_vm_read_list(
target_task: vm_task_entry_t,
data_list: mach_vm_read_entry_t,
count: natural_t,
) -> kern_return_t;
pub fn mach_vm_write(
target_task: vm_map_t,
address: mach_vm_address_t,
data: vm_offset_t,
dataCnt: mach_msg_type_number_t,
) -> kern_return_t;
pub fn mach_vm_copy(
target_task: vm_task_entry_t,
source_address: mach_vm_address_t,
size: mach_vm_size_t,
dest_address: mach_vm_address_t,
) -> kern_return_t;
pub fn mach_vm_read_overwrite(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
data: mach_vm_address_t,
outsize: *mut mach_vm_size_t,
) -> kern_return_t;
pub fn mach_vm_msync(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
sync_flags: vm_sync_t,
) -> kern_return_t;
pub fn mach_vm_behavior_set(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
new_behavior: vm_behavior_t,
) -> kern_return_t;
pub fn mach_vm_map(
target_task: vm_task_entry_t,
inout: *mut mach_vm_address_t,
size: mach_vm_size_t,
mask: mach_vm_offset_t,
flags: c_int,
object: mem_entry_name_port_t,
offset: memory_object_offset_t,
copy: boolean_t,
cur_protection: vm_prot_t,
max_protection: vm_prot_t,
inheritance: vm_inherit_t,
) -> kern_return_t;
pub fn mach_vm_machine_attribute(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
size: mach_vm_size_t,
attribute: vm_machine_attribute_t,
value: *mut vm_machine_attribute_val_t,
) -> kern_return_t;
pub fn mach_vm_remap(
target_task: vm_task_entry_t,
target_address: *mut mach_vm_address_t,
size: mach_vm_size_t,
mask: mach_vm_offset_t,
flags: c_int,
src_task: vm_task_entry_t,
src_address: mach_vm_address_t,
copy: boolean_t,
cur_protection: *mut vm_prot_t,
out: *mut vm_prot_t,
inheritance: vm_inherit_t,
) -> kern_return_t;
pub fn mach_vm_page_query(
target_map: vm_map_t,
offset: mach_vm_offset_t,
disposition: *mut integer_t,
ref_count: *mut integer_t,
) -> kern_return_t;
pub fn mach_vm_region_recurse(
target_task: vm_task_entry_t,
address: *mut mach_vm_address_t,
size: *mut mach_vm_size_t,
nesting_depth: *mut natural_t,
info: vm_region_recurse_info_t,
infoCnt: *mut mach_msg_type_number_t,
) -> kern_return_t;
pub fn mach_vm_region(
target_task: vm_task_entry_t,
address: *mut mach_vm_address_t,
size: *mut mach_vm_size_t,
flavor: vm_region_flavor_t,
info: vm_region_info_t,
infoCnt: *mut mach_msg_type_number_t,
object_name: *mut mach_port_t,
) -> kern_return_t;
pub fn mach_make_memory_entry(
target_task: vm_map_t,
size: *mut vm_size_t,
offset: vm_offset_t,
permission: vm_prot_t,
object_handle: *mut mem_entry_name_port_t,
parent_handle: mem_entry_name_port_t,
) -> kern_return_t;
pub fn mach_make_memory_entry_64(
target_task: vm_map_t,
size: *mut memory_object_size_t,
offset: memory_object_offset_t,
permission: vm_prot_t,
object_handle: *mut mach_port_t,
parent_entry: mem_entry_name_port_t,
) -> kern_return_t;
pub fn mach_vm_purgable_control(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
control: vm_purgable_t,
state: *mut c_int,
) -> kern_return_t;
pub fn mach_vm_page_info(
target_task: vm_task_entry_t,
address: mach_vm_address_t,
flavor: vm_page_info_flavor_t,
info: vm_page_info_t,
infoCnt: *mut mach_msg_type_number_t,
) -> kern_return_t;
}
#[cfg(test)]
mod tests {
use super::*;
use crate::kern_return::KERN_SUCCESS;
use crate::traps::mach_task_self;
use crate::vm_statistics::VM_FLAGS_ANYWHERE;
#[test]
fn mach_vm_allocate_sanity() {
unsafe {
let size = 0x100;
let task = mach_task_self();
let mut address: mach_vm_address_t = 0;
assert_eq!(
mach_vm_allocate(task, &mut address, size, VM_FLAGS_ANYWHERE),
KERN_SUCCESS
);
assert_eq!(mach_vm_deallocate(task, address, size), KERN_SUCCESS);
}
}
#[test]
fn mach_vm_region_sanity() {
use core::mem;
use crate::vm_prot::{VM_PROT_EXECUTE, VM_PROT_READ};
use crate::vm_region::{vm_region_basic_info_64, VM_REGION_BASIC_INFO_64};
unsafe {
let mut size = 0x10;
let mut object_name = 0;
let mut address = mach_vm_region_sanity as mach_vm_address_t;
let mut info: vm_region_basic_info_64 = mem::zeroed();
let mut info_size = vm_region_basic_info_64::count();
let result = mach_vm_region(
mach_task_self(),
&mut address,
&mut size,
VM_REGION_BASIC_INFO_64,
(&mut info as *mut _) as vm_region_info_t,
&mut info_size,
&mut object_name,
);
assert_eq!(result, KERN_SUCCESS);
assert_eq!(info.protection, VM_PROT_READ | VM_PROT_EXECUTE);
}
}
}