RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 18:38:10 +00:00
Code Issues Activity Actions

LibJS: Port garbage collector to Linux

Browse source 
Well that was easy. LibJS can now run on Linux :^)
This commit is contained in:
Andreas Kling 2020-03-23 13:14:57 +01:00
parent 538537dfd0
commit 79e065f0a2
2 changed files with 32 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

27
Libraries/LibJS/Heap/Heap.cpp
View file

@ -31,10 +31,15 @@
#include <LibJS/Heap/HeapBlock.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/Object.h>
#include <serenity.h>
#include <setjmp.h>
#include <stdio.h>
#ifdef __serenity__
#include <serenity.h>
#elif __linux__
#include <pthread.h>
#endif
#define HEAP_DEBUG
namespace JS {
@ -105,15 +110,31 @@ void Heap::gather_conservative_roots(HashTable<Cell*>& roots)
HashTable<FlatPtr> possible_pointers;
for (size_t i = 0; i < (sizeof(buf->regs) / sizeof(FlatPtr)); ++i)
possible_pointers.set(buf->regs[i]);
const FlatPtr* raw_jmp_buf = reinterpret_cast<const FlatPtr*>(buf);
for (size_t i = 0; i < sizeof(buf) / sizeof(FlatPtr); i += sizeof(FlatPtr))
possible_pointers.set(raw_jmp_buf[i]);
FlatPtr stack_base;
size_t stack_size;
#ifdef __serenity__
if (get_stack_bounds(&stack_base, &stack_size) < 0) {
perror("get_stack_bounds");
ASSERT_NOT_REACHED();
}
#elif __linux__
pthread_attr_t attr = {};
if (int rc = pthread_getattr_np(pthread_self(), &attr) != 0) {
fprintf(stderr, "pthread_getattr_np: %s\n", strerror(-rc));
ASSERT_NOT_REACHED();
}
if (int rc = pthread_attr_getstack(&attr, (void**)&stack_base, &stack_size) != 0) {
fprintf(stderr, "pthread_attr_getstack: %s\n", strerror(-rc));
ASSERT_NOT_REACHED();
}
pthread_attr_destroy(&attr);
#endif
FlatPtr stack_reference = reinterpret_cast<FlatPtr>(&dummy);
FlatPtr stack_top = stack_base + stack_size;