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Allocators separated into aligned and non aligned operations.

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This commit is contained in:
Christoffer Lerno
2022-08-03 20:45:30 +02:00
parent 550bca79e9
commit cc8884d3d1
15 changed files with 572 additions and 269 deletions
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87
resources/testfragments/allocators_testing.c3 Normal file
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// #target: macos-x64
module test;
import std::io;
import libc;
enum Foo
{
ABC
}
fn void print_pages()
{
mem::temp_allocator().print_pages(io::stdout());
}
fn void setstring(char* dst, char[] str)
{
foreach (char c : str)
{
dst++[0] = c;
}
dst[0] = 0;
}
fn void testAllocator(Allocator* a, int val)
{
io::println("Test");
void* data = a.alloc_aligned(val, 128, 16)!!;
io::printf("Aligned with offset %p, align 16: %s offset align 128: %s\n", data, mem::ptr_is_aligned(data, 16), mem::ptr_is_aligned(data + 16, 128));
data = a.calloc_aligned(val, 128, 16)!!;
io::printf("Aligned with offset %p, align 16: %s offset align 128: %s\n", data, mem::ptr_is_aligned(data, 16), mem::ptr_is_aligned(data + 16, 128));
data = a.realloc_aligned(data, val + 1, 128, 16)!!;
io::printf("Aligned with offset %p, align 16: %s offset align 128: %s\n", data, mem::ptr_is_aligned(data, 16), mem::ptr_is_aligned(data + 16, 128));
data = a.realloc_aligned(data, val + 1, 128, 0)!!;
io::printf("No offset %p, align 16: %s offset align 128: %s\n", data, mem::ptr_is_aligned(data, 16), mem::ptr_is_aligned(data + 16, 128));
io::printfln("Freeing %p", data);
a.free_aligned(data)!!;
}
fn void main()
{
char* small = mem::talloc(128);
setstring(small, "small");
libc::printf("Small1: %p %s\n", small, small);
print_pages();
small = mem::trealloc(small, 129, 1024 * 16);
libc::printf("Small2: %p %s\n", small, small);
print_pages();
small = mem::trealloc(small, 12933);
libc::printf("Small3: %p %s\n", small, small);
print_pages();
char* first_big = mem::talloc(9512);
void *big = mem::talloc(4095);
io::printf("Big: %p\n", big);
io::printf("Small: %p\n", mem::talloc(13));
print_pages();
@pool() {
big = mem::trealloc(big, 5067);
print_pages();
void* hidden = mem::talloc(4096);
io::printf("Hidden: %p\n", hidden);
io::printf("Big: %p\n", big);
big = mem::trealloc(big, 4096, 256);
io::printf("Big: %p\n", big);
io::printf("First big: %p\n", first_big);
print_pages();
};
mem::@tscoped()
{
io::printf("Malloc: %p\n", mem::alloc(23));
io::printf("Malloc: %p\n", mem::alloc(23));
};
io::printf("Malloc: %p\n", mem::alloc(23));
@pool()
{
io::printf("Talloc: %p\n", mem::talloc(22));
};
testAllocator(mem::temp_allocator(), 126);
testAllocator(mem::temp_allocator(), 12600);
ArenaAllocator aa;
aa.init(&&char[1024] {});
testAllocator(&aa, 126);
io::println("Test dynamic arena");
DynamicArenaAllocator dynamic_arena;
dynamic_arena.init(1024);
testAllocator(&dynamic_arena, 112);
testAllocator(&dynamic_arena, 712);
first_big[3] = 123;
}