Struct SyscallAllocFree 

pub struct SyscallAllocFree {}

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Dynamic memory allocation syscall called when the SBF program calls sol_alloc_free_(). The allocator is expected to allocate/free from/to a given chunk of memory and enforce size restrictions. The memory chunk is given to the allocator during allocator creation and information about that memory (start address and size) is passed to the VM to use for enforcement.

Implementations

impl SyscallAllocFree

pub fn rust( invoke_context: &mut InvokeContext<'_, '_>, size: u64, free_addr: u64, _arg3: u64, _arg4: u64, _arg5: u64, _memory_mapping: &mut MemoryMapping<'_>, ) -> Result<u64, Box<dyn Error>>

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Rust interface

pub fn vm( invoke_context: *mut EbpfVm<'_, InvokeContext<'_, '_>>, size: u64, free_addr: u64, _arg3: u64, _arg4: u64, _arg5: u64, )

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

VM interface