| /* |
| * Copyright (c) 2020 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. |
| */ |
| |
| #ifndef PAS_BITFIT_PAGE_CONFIG_VARIANT_H |
| #define PAS_BITFIT_PAGE_CONFIG_VARIANT_H |
| |
| #include "pas_utils.h" |
| |
| PAS_BEGIN_EXTERN_C; |
| |
| /* Every bitfit heap has two page variants - small and medium. This tells us which. */ |
| enum pas_bitfit_page_config_variant { |
| pas_small_bitfit_page_config_variant, |
| pas_medium_bitfit_page_config_variant, |
| pas_marge_bitfit_page_config_variant |
| }; |
| |
| typedef enum pas_bitfit_page_config_variant pas_bitfit_page_config_variant; |
| |
| #define PAS_NUM_BITFIT_PAGE_CONFIG_VARIANTS 3 |
| |
| #define PAS_EACH_BITFIT_PAGE_CONFIG_VARIANT_ASCENDING(variable) \ |
| variable = pas_small_bitfit_page_config_variant; \ |
| (unsigned)variable <= (unsigned)pas_marge_bitfit_page_config_variant; \ |
| variable = (pas_bitfit_page_config_variant)((unsigned)variable + 1) |
| |
| #define PAS_EACH_BITFIT_PAGE_CONFIG_VARIANT_DESCENDING(variable) \ |
| variable = pas_marge_bitfit_page_config_variant; \ |
| (int)variable >= (int)pas_small_bitfit_page_config_variant; \ |
| variable = (pas_bitfit_page_config_variant)((unsigned)variable - 1) |
| |
| static inline const char* |
| pas_bitfit_page_config_variant_get_string(pas_bitfit_page_config_variant variant) |
| { |
| switch (variant) { |
| case pas_small_bitfit_page_config_variant: |
| return "small"; |
| case pas_medium_bitfit_page_config_variant: |
| return "medium"; |
| case pas_marge_bitfit_page_config_variant: |
| return "marge"; |
| } |
| PAS_ASSERT(!"Should not be reached"); |
| return NULL; |
| } |
| |
| static inline const char* |
| pas_bitfit_page_config_variant_get_capitalized_string(pas_bitfit_page_config_variant variant) |
| { |
| switch (variant) { |
| case pas_small_bitfit_page_config_variant: |
| return "Small"; |
| case pas_medium_bitfit_page_config_variant: |
| return "Medium"; |
| case pas_marge_bitfit_page_config_variant: |
| return "Marge"; |
| } |
| PAS_ASSERT(!"Should not be reached"); |
| return NULL; |
| } |
| |
| PAS_END_EXTERN_C; |
| |
| #endif /* PAS_BITFIT_PAGE_CONFIG_VARIANT_H */ |
| |