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Rework static memory segment creation; Fix stdlib gc hooks not marking own fields; Align everything to 8 bytes that might be touched by GC

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This commit is contained in:
dcodeIO
2018-08-04 00:36:59 +02:00
parent 61de7cf962
commit 631478c7c9
61 changed files with 11944 additions and 5286 deletions
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23
src/program.ts
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@ -328,6 +328,8 @@ export class Program extends DiagnosticEmitter {
/** Module-level exports by exported name. */
moduleLevelExports: Map<string,ModuleExport> = new Map();
/** ArrayBuffer instance reference. */
arrayBufferInstance: Class | null = null;
/** Array prototype reference. */
arrayPrototype: ClassPrototype | null = null;
/** String instance reference. */
@ -351,6 +353,8 @@ export class Program extends DiagnosticEmitter {
gcMarkInstance: Function | null = null;
/** Size of a managed object header. */
gcHeaderSize: u32 = 0;
/** Offset of the GC hook. */
gcHookOffset: u32 = 0;
/** Currently processing filespace. */
currentFilespace: Filespace;
@ -603,6 +607,13 @@ export class Program extends DiagnosticEmitter {
}
}
// register 'ArrayBuffer'
if (this.elementsLookup.has("ArrayBuffer")) {
let element = assert(this.elementsLookup.get("ArrayBuffer"));
assert(element.kind == ElementKind.CLASS_PROTOTYPE);
this.arrayBufferInstance = resolver.resolveClass(<ClassPrototype>element, null);
}
// register 'Array'
if (this.elementsLookup.has("Array")) {
let element = assert(this.elementsLookup.get("Array"));
@ -708,7 +719,9 @@ export class Program extends DiagnosticEmitter {
this.gcAllocateInstance = gcAllocateInstance;
this.gcLinkInstance = gcLinkInstance;
this.gcMarkInstance = gcMarkInstance;
this.gcHeaderSize = (2 * options.usizeType.byteSize + 4 + 7) & ~7; // TODO: hardcoded atm
let gcHookOffset = 2 * options.usizeType.byteSize; // .next + .prev
this.gcHookOffset = gcHookOffset;
this.gcHeaderSize = (gcHookOffset + 4 + 7) & ~7; // + .hook index + alignment
this.hasGC = true;
}
}
@ -2911,6 +2924,14 @@ export class Class extends Element {
return null;
}
offsetof(fieldName: string): u32 {
var members = assert(this.members);
assert(members.has(fieldName));
var field = <Element>members.get(fieldName);
assert(field.kind == ElementKind.FIELD);
return (<Field>field).memoryOffset;
}
toString(): string {
return this.simpleName;
}