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py/gc: Apply some code formatting cleanup.

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This commit:
- Breaks up some long lines for readability.
- Fixes a potential macro argument expansion issue.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
This commit is contained in:
Angus Gratton 2023-08-02 16:48:57 +10:00 committed by Damien George
parent 88518009ce
commit d325ee4509
1 changed files with 19 additions and 5 deletions
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24
py/gc.c
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@ -79,7 +79,7 @@
#define ATB_3_IS_FREE(a) (((a) & ATB_MASK_3) == 0)
#if MICROPY_GC_SPLIT_HEAP
#define NEXT_AREA(area) (area->next)
#define NEXT_AREA(area) ((area)->next)
#else
#define NEXT_AREA(area) (NULL)
#endif
@ -129,7 +129,13 @@ STATIC void gc_setup_area(mp_state_mem_area_t *area, void *start, void *end) {
// => T = A * (1 + BLOCKS_PER_ATB / BLOCKS_PER_FTB + BLOCKS_PER_ATB * BYTES_PER_BLOCK)
size_t total_byte_len = (byte *)end - (byte *)start;
#if MICROPY_ENABLE_FINALISER
area->gc_alloc_table_byte_len = (total_byte_len - ALLOC_TABLE_GAP_BYTE) * MP_BITS_PER_BYTE / (MP_BITS_PER_BYTE + MP_BITS_PER_BYTE * BLOCKS_PER_ATB / BLOCKS_PER_FTB + MP_BITS_PER_BYTE * BLOCKS_PER_ATB * BYTES_PER_BLOCK);
area->gc_alloc_table_byte_len = (total_byte_len - ALLOC_TABLE_GAP_BYTE)
* MP_BITS_PER_BYTE
/ (
MP_BITS_PER_BYTE
+ MP_BITS_PER_BYTE * BLOCKS_PER_ATB / BLOCKS_PER_FTB
+ MP_BITS_PER_BYTE * BLOCKS_PER_ATB * BYTES_PER_BLOCK
);
#else
area->gc_alloc_table_byte_len = (total_byte_len - ALLOC_TABLE_GAP_BYTE) / (1 + MP_BITS_PER_BYTE / 2 * BYTES_PER_BLOCK);
#endif
@ -165,11 +171,19 @@ STATIC void gc_setup_area(mp_state_mem_area_t *area, void *start, void *end) {
#endif
DEBUG_printf("GC layout:\n");
DEBUG_printf(" alloc table at %p, length " UINT_FMT " bytes, " UINT_FMT " blocks\n", MP_STATE_MEM(area).gc_alloc_table_start, MP_STATE_MEM(area).gc_alloc_table_byte_len, MP_STATE_MEM(area).gc_alloc_table_byte_len * BLOCKS_PER_ATB);
DEBUG_printf(" alloc table at %p, length " UINT_FMT " bytes, "
UINT_FMT " blocks\n",
area->gc_alloc_table_start, area->gc_alloc_table_byte_len,
area->gc_alloc_table_byte_len * BLOCKS_PER_ATB);
#if MICROPY_ENABLE_FINALISER
DEBUG_printf(" finaliser table at %p, length " UINT_FMT " bytes, " UINT_FMT " blocks\n", MP_STATE_MEM(area).gc_finaliser_table_start, gc_finaliser_table_byte_len, gc_finaliser_table_byte_len * BLOCKS_PER_FTB);
DEBUG_printf(" finaliser table at %p, length " UINT_FMT " bytes, "
UINT_FMT " blocks\n", area->gc_finaliser_table_start,
gc_finaliser_table_byte_len,
gc_finaliser_table_byte_len * BLOCKS_PER_FTB);
#endif
DEBUG_printf(" pool at %p, length " UINT_FMT " bytes, " UINT_FMT " blocks\n", MP_STATE_MEM(area).gc_pool_start, gc_pool_block_len * BYTES_PER_BLOCK, gc_pool_block_len);
DEBUG_printf(" pool at %p, length " UINT_FMT " bytes, "
UINT_FMT " blocks\n", area->gc_pool_start,
gc_pool_block_len * BYTES_PER_BLOCK, gc_pool_block_len);
}
void gc_init(void *start, void *end) {