1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#include "gdb-tests.h"
#include "jsapi.h"
#include "jit/ExecutableAllocator.h"
#include "vm/JSContext.h"
FRAGMENT(ExecutableAllocator, empty) {
using namespace js::jit;
ExecutableAllocator execAlloc;
breakpoint();
use(execAlloc);
}
FRAGMENT(ExecutableAllocator, onepool) {
using namespace js::jit;
ExecutablePool* pool = nullptr;
ExecutableAllocator execAlloc;
execAlloc.alloc(cx, 16 * 1024, &pool, CodeKind::Baseline);
breakpoint();
use(pool);
use(execAlloc);
}
FRAGMENT(ExecutableAllocator, twopools) {
using namespace js::jit;
const size_t INIT_ALLOC_SIZE = 16 * 1024;
const size_t ALLOC_SIZE = 32 * 1024;
ExecutablePool* init = nullptr;
ExecutablePool* pool = nullptr;
ExecutableAllocator execAlloc;
size_t allocated = 0;
execAlloc.alloc(cx, INIT_ALLOC_SIZE, &init, CodeKind::Baseline);
do { // Keep allocating until we get a second pool.
execAlloc.alloc(cx, ALLOC_SIZE, &pool, CodeKind::Ion);
allocated += ALLOC_SIZE;
} while (pool == init);
breakpoint();
use(execAlloc);
init->release(INIT_ALLOC_SIZE, CodeKind::Baseline);
init->release(allocated - ALLOC_SIZE, CodeKind::Ion);
pool->release(ALLOC_SIZE, CodeKind::Ion);
}
|
