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Merge branch 'fix/call_check_hook_for_all_blocks' into 'idf'

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tlsf: call the tlsf_check_hook from intergrity_walker to check all blocks

See merge request espressif/tlsf!6
This commit is contained in:
Guillaume Souchere
2023-10-16 16:18:01 +08:00
parent 8c9cd0517a 262d11fcfa
commit d2e28f8724
1 changed files with 19 additions and 18 deletions
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37
tlsf.c
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@@ -668,14 +668,32 @@ static void integrity_walker(void* ptr, size_t size, int used, void* user)
const size_t this_block_size = block_size(block);
int status = 0;
(void)used;
tlsf_insist(integ->prev_status == this_prev_status && "prev status incorrect");
tlsf_insist(size == this_block_size && "block size incorrect");
if (tlsf_check_hook != NULL)
{
/* block_size(block) returns the size of the usable memory when the block is allocated.
* As the block under test is free, we need to subtract to the block size the next_free
* and prev_free fields of the block header as they are not a part of the usable memory
* when the block is free. In addition, we also need to subtract the size of prev_phys_block
* as this field is in fact part of the current free block and not part of the next (allocated)
* block. Check the comments in block_split function for more details.
*/
const size_t actual_free_block_size = used ? this_block_size :
this_block_size - offsetof(block_header_t, next_free)- block_header_overhead;
void* ptr_block = used ? (void*)block + block_start_offset :
(void*)block + sizeof(block_header_t);
tlsf_insist(tlsf_check_hook(ptr_block, actual_free_block_size, !used));
}
integ->prev_status = this_status;
integ->status += status;
}
int tlsf_check(tlsf_t tlsf)
{
int i, j;
@@ -722,23 +740,6 @@ int tlsf_check(tlsf_t tlsf)
mapping_insert(control, block_size(block), &fli, &sli);
tlsf_insist(fli == i && sli == j && "block size indexed in wrong list");
if (tlsf_check_hook != NULL)
{
/* block_size(block) returns the size of the usable memory when the block is allocated.
* As the block under test is free, we need to subtract to the block size the next_free
* and prev_free fields of the block header as they are not a part of the usable memory
* when the block is free. In addition, we also need to subtract the size of prev_phys_block
* as this field is in fact part of the current free block and not part of the next (allocated)
* block. Check the comments in block_split function for more details.
*/
const size_t actual_free_block_size = block_size(block)
- offsetof(block_header_t, next_free)
- block_header_overhead;
tlsf_insist(tlsf_check_hook((void*)block + sizeof(block_header_t),
actual_free_block_size, is_block_free));
}
block = block->next_free;
}
}