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fix big alignment

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This commit is contained in:
Laytan
2023-12-18 16:38:51 +01:00
parent 252de70b0f
commit 9a490e4e0d
3 changed files with 11 additions and 11 deletions
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core/runtime/default_allocators_arena.odin
+6 -6
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@@ -28,11 +28,11 @@ safe_add :: #force_inline proc "contextless" (x, y: uint) -> (uint, bool) {
}
@(require_results)
memory_block_alloc :: proc(allocator: Allocator, capacity: uint, loc := #caller_location) -> (block: ^Memory_Block, err: Allocator_Error) {
total_size := uint(capacity + size_of(Memory_Block))
base_offset := uintptr(size_of(Memory_Block))
memory_block_alloc :: proc(allocator: Allocator, capacity: uint, alignment: uint, loc := #caller_location) -> (block: ^Memory_Block, err: Allocator_Error) {
total_size := uint(capacity + max(alignment, size_of(Memory_Block)))
base_offset := uintptr(max(alignment, size_of(Memory_Block)))
min_alignment: int = max(16, align_of(Memory_Block))
min_alignment: int = max(16, align_of(Memory_Block), int(alignment))
data := mem_alloc(int(total_size), min_alignment, allocator, loc) or_return
block = (^Memory_Block)(raw_data(data))
end := uintptr(raw_data(data)[len(data):])
@@ -115,7 +115,7 @@ arena_alloc :: proc(arena: ^Arena, size, alignment: uint, loc := #caller_locatio
arena.backing_allocator = default_allocator()
}
new_block := memory_block_alloc(arena.backing_allocator, block_size, loc) or_return
new_block := memory_block_alloc(arena.backing_allocator, block_size, alignment, loc) or_return
new_block.prev = arena.curr_block
arena.curr_block = new_block
arena.total_capacity += new_block.capacity
@@ -134,7 +134,7 @@ arena_init :: proc(arena: ^Arena, size: uint, backing_allocator: Allocator, loc
arena^ = {}
arena.backing_allocator = backing_allocator
arena.minimum_block_size = max(size, 1<<12) // minimum block size of 4 KiB
new_block := memory_block_alloc(arena.backing_allocator, arena.minimum_block_size, loc) or_return
new_block := memory_block_alloc(arena.backing_allocator, arena.minimum_block_size, 0, loc) or_return
arena.curr_block = new_block
arena.total_capacity += new_block.capacity
return nil