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Remove memory intrinsics

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This commit is contained in:
nora 2024-05-13 20:15:11 +02:00
parent 9270f52e6b
commit 1e97275cf2
5 changed files with 15 additions and 19 deletions
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4
std/rt/alloc.nil
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@ -15,9 +15,9 @@ function allocate(size: I32, align: I32): I32 = (
let alignedPtr = std.alignUp(HEAD_PTR, align);
let newHeadPtr = alignedPtr + size;
if newHeadPtr > __memory_size() then (
if newHeadPtr > std.rt.memorySize() then (
// 16 pages, very arbitrary.
let result = __memory_grow(16_I32);
let result = std.rt.memoryGrow(16_I32);
// If allocation failed we get -1. We don't have negative numbers yet, lol.
if result > 4294967295_I32 then (
std.abort("failed to grow memory");

13
std/rt/rt.mod.nil
View file

@ -9,3 +9,16 @@ function memcpy(_dst: I32, _src: I32, _n: I32) =
"local.get 0",
"memory.copy",
);
function memoryGrow(_size: I32): I32 =
___asm(
__locals(),
"local.get 0",
"memory.grow",
);
function memorySize(): I32 =
___asm(
__locals(),
"memory.size",
);