eldenring 0.14.0

Structures, bindings, and utilities for From Software's title Elden Ring
Documentation 
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use pelite::pe64::Pe;
use shared::Program;
use vtable_rs::VPtr;

use crate::rva;

#[vtable_rs::vtable]
pub trait DLAllocatorVmt {
    fn destructor(&mut self, param_2: bool);

    /// Getter for the allocator ID.
    fn allocator_id(&self) -> u32;

    fn unk10(&self);

    fn heap_flags(&self) -> &u64;

    fn heap_capacity(&self) -> usize;

    fn heap_size(&self) -> usize;

    fn backing_heap_capacity(&self) -> usize;

    fn heap_allocation_count(&self) -> usize;

    /// Retrieves allocation size for a specific allocation.
    fn allocation_size(&self, allocation: *const u8) -> usize;

    fn allocate(&self, size: usize) -> *const u8;

    fn allocate_aligned(&self, size: usize, alignment: usize) -> *const u8;

    fn reallocate(&self, allocation: *const u8, size: usize) -> *const u8;

    fn reallocate_aligned(&self, allocation: *const u8, size: usize, alignment: usize)
    -> *const u8;

    fn deallocate(&self, allocation: *const u8);

    fn allocate_second(&self, size: usize) -> *const u8;

    fn allocate_aligned_second(&self, size: usize, alignment: usize) -> *const u8;

    fn reallocate_second(&self, allocation: *const u8, size: usize) -> *const u8;

    fn reallocate_aligned_second(
        &self,
        allocation: *const u8,
        size: usize,
        alignment: usize,
    ) -> *const u8;

    fn deallocate_second(&self, allocation: *const u8);

    fn unka0(&self) -> bool;

    fn allocation_belongs_to_first_allocator(&self, allocation: *const u8) -> bool;

    fn allocation_belongs_to_second_allocator(&self, allocation: *const u8) -> bool;

    fn lock(&self);

    fn unlock(&self);

    fn get_memory_block_for_allocation(&self, allocation: *const u8) -> *const u8;
}

pub struct DLAllocator {
    pub vftable: VPtr<dyn DLAllocatorVmt, Self>,
}

impl DLAllocator {
    /// Returns the global instance of DLAllocator that uses the
    /// standard MSVC malloc()/free() implementation for heap management
    pub fn runtime_heap_allocator() -> &'static Self {
        unsafe {
            let va = Program::current()
                .rva_to_va(rva::get().runtime_heap_allocator)
                .expect("RuntimeHeapAllocator not found!")
                as *const *const Self;
            &**va
        }
    }
}