24 lines
644 B
Rust
24 lines
644 B
Rust
//! @brief Solana Rust-based BPF program memory allocator shim
|
|
|
|
use core::alloc::{GlobalAlloc, Layout};
|
|
use solana_sdk_bpf_utils::log::*;
|
|
|
|
pub struct Allocator;
|
|
unsafe impl GlobalAlloc for Allocator {
|
|
unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
|
|
sol_alloc_free_(layout.size() as u64, 0)
|
|
}
|
|
unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
|
|
sol_alloc_free_(layout.size() as u64, ptr as u64);
|
|
}
|
|
}
|
|
extern "C" {
|
|
fn sol_alloc_free_(size: u64, ptr: u64) -> *mut u8;
|
|
}
|
|
|
|
#[alloc_error_handler]
|
|
fn my_alloc_error_handler(_: core::alloc::Layout) -> ! {
|
|
sol_log("alloc_error_handler");
|
|
panic!();
|
|
}
|