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Rename memory instructions; Rework constant handling

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This commit is contained in:
dcodeIO
2018-07-18 23:49:32 +02:00
parent 34e8facfdc
commit a1b75b69b7
170 changed files with 26392 additions and 5185 deletions
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14
std/assembly/allocator/arena.ts
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@ -1,7 +1,7 @@
/**
* Arena Memory Allocator
*
* Provides a `reset_memory` function to reset the heap to its initial state. A user has to make
* Provides a `memory.reset` function to reset the heap to its initial state. A user has to make
* sure that there are no more references to cleared memory afterwards. Always aligns to 8 bytes.
*
* @module std/assembly/allocator/arena
@ -13,17 +13,17 @@ var startOffset: usize = (HEAP_BASE + AL_MASK) & ~AL_MASK;
var offset: usize = startOffset;
@global
export function allocate_memory(size: usize): usize {
export function __memory_allocate(size: usize): usize {
if (size) {
if (size > MAX_SIZE_32) unreachable();
let ptr = offset;
let newPtr = (ptr + size + AL_MASK) & ~AL_MASK;
let pagesBefore = current_memory();
let pagesBefore = memory.size();
if (newPtr > <usize>pagesBefore << 16) {
let pagesNeeded = ((newPtr - ptr + 0xffff) & ~0xffff) >>> 16;
let pagesWanted = max(pagesBefore, pagesNeeded); // double memory
if (grow_memory(pagesWanted) < 0) {
if (grow_memory(pagesNeeded) < 0) {
if (memory.grow(pagesWanted) < 0) {
if (memory.grow(pagesNeeded) < 0) {
unreachable(); // out of memory
}
}
@ -35,11 +35,11 @@ export function allocate_memory(size: usize): usize {
}
@global
export function free_memory(ptr: usize): void {
export function __memory_free(ptr: usize): void {
// nop
}
@global
export function reset_memory(): void {
export function __memory_reset(): void {
offset = startOffset;
}