fluencelabs/assemblyscript
1
0
Fork 0
mirror of https://github.com/fluencelabs/assemblyscript synced 2025-06-18 01:11:32 +00:00
Code Issues Projects Releases Wiki Activity

Rename memory instructions; Rework constant handling

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

20
std/assembly/allocator/tlsf.ts
View File

@ -437,15 +437,15 @@ var ROOT: Root = changetype<Root>(0);
/** Allocates a chunk of memory. */
@global
export function allocate_memory(size: usize): usize {
export function __memory_allocate(size: usize): usize {
// initialize if necessary
var root = ROOT;
if (!root) {
let rootOffset = (HEAP_BASE + AL_MASK) & ~AL_MASK;
let pagesBefore = current_memory();
let pagesBefore = memory.size();
let pagesNeeded = <i32>((((rootOffset + Root.SIZE) + 0xffff) & ~0xffff) >>> 16);
if (pagesNeeded > pagesBefore && grow_memory(pagesNeeded - pagesBefore) < 0) unreachable();
if (pagesNeeded > pagesBefore && memory.grow(pagesNeeded - pagesBefore) < 0) unreachable();
ROOT = root = changetype<Root>(rootOffset);
root.tailRef = 0;
root.flMap = 0;
@ -455,7 +455,7 @@ export function allocate_memory(size: usize): usize {
root.setHead(fl, sl, null);
}
}
root.addMemory((rootOffset + Root.SIZE + AL_MASK) & ~AL_MASK, current_memory() << 16);
root.addMemory((rootOffset + Root.SIZE + AL_MASK) & ~AL_MASK, memory.size() << 16);
}
// search for a suitable block
@ -469,15 +469,15 @@ export function allocate_memory(size: usize): usize {
if (!block) {
// request more memory
let pagesBefore = current_memory();
let pagesBefore = memory.size();
let pagesNeeded = <i32>(((size + 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
}
}
let pagesAfter = current_memory();
let pagesAfter = memory.size();
root.addMemory(<usize>pagesBefore << 16, <usize>pagesAfter << 16);
block = assert(root.search(size)); // must be found now
}
@ -491,7 +491,7 @@ export function allocate_memory(size: usize): usize {
/** Frees the chunk of memory at the specified address. */
@global
export function free_memory(data: usize): void {
export function __memory_free(data: usize): void {
if (data) {
let root = ROOT;
if (root) {
@ -505,6 +505,6 @@ export function free_memory(data: usize): void {
}
@global
export function reset_memory(): void {
export function __memory_reset(): void {
unreachable();
}