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Clarify ownership of data returned by get_finalized_*

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This commit is contained in:
bjorn3
2021-03-20 19:15:09 +01:00
committed by Andrew Brown
parent 6e6713ae0b
commit b321a7291d
1 changed files with 7 additions and 1 deletions
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8
cranelift/jit/src/backend.rs
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@@ -167,7 +167,7 @@ impl JITModule {
/// corresponding module, it should only be used when none of the functions /// corresponding module, it should only be used when none of the functions
/// from that module are currently executing and none of the `fn` pointers /// from that module are currently executing and none of the `fn` pointers
/// are called afterwards. /// are called afterwards.
pub unsafe fn free_memory(&mut self) { pub unsafe fn free_memory(mut self) {
self.memory.code.free_memory(); self.memory.code.free_memory();
self.memory.readonly.free_memory(); self.memory.readonly.free_memory();
self.memory.writable.free_memory(); self.memory.writable.free_memory();
@@ -289,6 +289,9 @@ impl JITModule {
} }
/// Returns the address of a finalized function. /// Returns the address of a finalized function.
///
/// The pointer remains valid until either [`JITModule::free_memory`] is called or in the future
/// some way of deallocating this individual function is used.
pub fn get_finalized_function(&self, func_id: FuncId) -> *const u8 { pub fn get_finalized_function(&self, func_id: FuncId) -> *const u8 {
let info = &self.compiled_functions[func_id]; let info = &self.compiled_functions[func_id];
assert!( assert!(
@@ -301,6 +304,9 @@ impl JITModule {
} }
/// Returns the address and size of a finalized data object. /// Returns the address and size of a finalized data object.
///
/// The pointer remains valid until either [`JITModule::free_memory`] is called or in the future
/// some way of deallocating this individual data object is used.
pub fn get_finalized_data(&self, data_id: DataId) -> (*const u8, usize) { pub fn get_finalized_data(&self, data_id: DataId) -> (*const u8, usize) {
let info = &self.compiled_data_objects[data_id]; let info = &self.compiled_data_objects[data_id];
assert!( assert!(