| /* |
| * Copyright (c) 2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "pas_config.h" |
| |
| #if LIBPAS_ENABLED |
| |
| #include "pas_heap_for_config.h" |
| |
| #include "pas_compact_bootstrap_free_heap.h" |
| #include "pas_utility_heap.h" |
| #include "pas_utility_heap_config.h" |
| |
| bool pas_heap_for_config_force_bootstrap = false; |
| |
| void* pas_heap_for_config_allocate( |
| pas_heap_config* config, |
| size_t size, |
| const char* name) |
| { |
| /* As a matter of policy, we say that !config means use bootstrap heap. We use that to indicate |
| that we're so low in the stack that we can't do utility. But, theoretically, we ought to be |
| able to make those allocation use utility if we really needed them to. */ |
| if (pas_heap_for_config_force_bootstrap || !config || pas_heap_config_is_utility(config)) |
| return pas_compact_bootstrap_free_heap_allocate_simple(size, name, pas_object_allocation); |
| |
| return pas_utility_heap_allocate(size, name); |
| } |
| |
| void* pas_heap_for_page_config_kind_allocate( |
| pas_segregated_page_config_kind page_config_kind, |
| size_t size, |
| const char* name) |
| { |
| if (pas_heap_for_config_force_bootstrap |
| || page_config_kind == pas_segregated_page_config_kind_null |
| || pas_segregated_page_config_kind_is_utility(page_config_kind)) |
| return pas_compact_bootstrap_free_heap_allocate_simple(size, name, pas_object_allocation); |
| |
| return pas_utility_heap_allocate(size, name); |
| } |
| |
| void* pas_heap_for_page_config_allocate( |
| pas_segregated_page_config* page_config, |
| size_t size, |
| const char* name) |
| { |
| return pas_heap_for_page_config_kind_allocate( |
| pas_segregated_page_config_get_kind(page_config), size, name); |
| } |
| |
| void* pas_heap_for_config_allocate_with_alignment( |
| pas_heap_config* config, |
| size_t size, |
| size_t alignment, |
| const char* name) |
| { |
| if (pas_heap_for_config_force_bootstrap || !config || pas_heap_config_is_utility(config)) { |
| return (void*)pas_compact_bootstrap_free_heap_allocate_with_alignment( |
| size, pas_alignment_create_traditional(alignment), name, pas_object_allocation).begin; |
| } |
| |
| return pas_utility_heap_allocate_with_alignment(size, alignment, name); |
| } |
| |
| void* pas_heap_for_page_config_allocate_with_alignment( |
| pas_segregated_page_config* page_config, |
| size_t size, |
| size_t alignment, |
| const char* name) |
| { |
| if (pas_heap_for_config_force_bootstrap || !page_config |
| || pas_segregated_page_config_is_utility(*page_config)) { |
| return (void*)pas_compact_bootstrap_free_heap_allocate_with_alignment( |
| size, pas_alignment_create_traditional(alignment), name, pas_object_allocation).begin; |
| } |
| |
| return pas_utility_heap_allocate_with_alignment(size, alignment, name); |
| } |
| |
| void* pas_heap_for_config_allocate_with_manual_alignment( |
| pas_heap_config* config, |
| size_t size, |
| size_t alignment, |
| const char* name) |
| { |
| if (pas_heap_for_config_force_bootstrap || !config || pas_heap_config_is_utility(config)) { |
| return (void*)pas_compact_bootstrap_free_heap_allocate_with_manual_alignment( |
| size, pas_alignment_create_traditional(alignment), name, pas_object_allocation).begin; |
| } |
| |
| return pas_utility_heap_allocate_with_alignment(size, alignment, name); |
| } |
| |
| void* pas_heap_for_page_config_kind_allocate_with_manual_alignment( |
| pas_segregated_page_config_kind page_config_kind, |
| size_t size, |
| size_t alignment, |
| const char* name) |
| { |
| if (pas_heap_for_config_force_bootstrap |
| || page_config_kind == pas_segregated_page_config_kind_null |
| || pas_segregated_page_config_kind_is_utility(page_config_kind)) { |
| return (void*)pas_compact_bootstrap_free_heap_allocate_with_manual_alignment( |
| size, pas_alignment_create_traditional(alignment), name, pas_object_allocation).begin; |
| } |
| |
| return pas_utility_heap_allocate_with_alignment(size, alignment, name); |
| } |
| |
| void* pas_heap_for_page_config_allocate_with_manual_alignment( |
| pas_segregated_page_config* page_config, |
| size_t size, |
| size_t alignment, |
| const char* name) |
| { |
| return pas_heap_for_page_config_kind_allocate_with_manual_alignment( |
| pas_segregated_page_config_get_kind(page_config), size, alignment, name); |
| } |
| |
| void pas_heap_for_config_deallocate( |
| pas_heap_config* config, |
| void* ptr, |
| size_t size) |
| { |
| if (pas_heap_for_config_force_bootstrap || !config || pas_heap_config_is_utility(config)) { |
| pas_compact_bootstrap_free_heap_deallocate(ptr, size, pas_object_allocation); |
| return; |
| } |
| |
| pas_utility_heap_deallocate(ptr); |
| } |
| |
| void pas_heap_for_page_config_kind_deallocate( |
| pas_segregated_page_config_kind page_config_kind, |
| void* ptr, |
| size_t size) |
| { |
| if (pas_heap_for_config_force_bootstrap |
| || page_config_kind == pas_segregated_page_config_kind_null |
| || pas_segregated_page_config_kind_is_utility(page_config_kind)) { |
| pas_compact_bootstrap_free_heap_deallocate(ptr, size, pas_object_allocation); |
| return; |
| } |
| |
| pas_utility_heap_deallocate(ptr); |
| } |
| |
| void pas_heap_for_page_config_deallocate( |
| pas_segregated_page_config* page_config, |
| void* ptr, |
| size_t size) |
| { |
| pas_heap_for_page_config_kind_deallocate( |
| pas_segregated_page_config_get_kind(page_config), ptr, size); |
| } |
| |
| #endif /* LIBPAS_ENABLED */ |