diff options
| author | Eugene Uriev | 2024-03-31 23:03:26 +0300 |
|---|---|---|
| committer | Tom Rini | 2024-04-12 16:23:06 -0600 |
| commit | a0ff152d4f336e0c205f5d27e33181a60156ee43 (patch) | |
| tree | b50686e6e02d178ac221f55c708e9caf77f1b5c7 /common | |
| parent | 7bceb16106e5db971e3b9c457d6274f7dbd76f7d (diff) | |
mcheck: add stats, add a comment with test results
My tests have been run on an U-Boot (of older version)
for ARM (64bits).
Signed-off-by: Eugene Uriev <eugeneuriev@gmail.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/mcheck_core.inc.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/common/mcheck_core.inc.h b/common/mcheck_core.inc.h index bade03598fb..2f11ac567f6 100644 --- a/common/mcheck_core.inc.h +++ b/common/mcheck_core.inc.h @@ -48,6 +48,13 @@ * rather in compile-time, by MCHECK_HEAP_PROTECTION macro. That guarantees that * we haven't missed first malloc. */ + +/* + * Testing + * This library had been successfully tested for U-Boot @ ARM SoC chip / 64bits. + * Proven for both default and pedantic mode: confirms U-Boot to be clean, and catches + * intentional/testing corruptions. Working with malloc_trim is not tested. + */ #ifndef _MCHECKCORE_INC_H #define _MCHECKCORE_INC_H 1 #include "mcheck.h" @@ -70,6 +77,8 @@ // avoid problems with BSS at early stage: static char mcheck_pedantic_flag __section(".data") = 0; static void *mcheck_registry[REGISTRY_SZ] __section(".data") = {0}; +static size_t mcheck_chunk_count __section(".data") = 0; +static size_t mcheck_chunk_count_max __section(".data") = 0; typedef unsigned long long mcheck_elem; typedef struct { @@ -102,7 +111,7 @@ static void mcheck_default_abort(enum mcheck_status status) msg = "bogus mcheck_status, library is buggy\n"; break; } - printf("\n\nmcheck: %s!!!\n\n", msg); + printf("\n\nmcheck: %s!!! [%zu]\n\n", msg, mcheck_chunk_count_max); } static mcheck_abortfunc_t mcheck_abortfunc = &mcheck_default_abort; @@ -173,6 +182,7 @@ static void *mcheck_free_helper(void *ptr, int clean_content) break; } + --mcheck_chunk_count; return (char *)hdr - hdr->aln_skip; } @@ -212,6 +222,10 @@ static void *mcheck_allocated_helper(void *altoghether_ptr, size_t customer_sz, for (i = 0; i < CANARY_DEPTH; ++i) tail->elems[i] = MAGICTAIL; + ++mcheck_chunk_count; + if (mcheck_chunk_count > mcheck_chunk_count_max) + mcheck_chunk_count_max = mcheck_chunk_count; + for (i = 0; i < REGISTRY_SZ; ++i) if (!mcheck_registry[i]) { mcheck_registry[i] = hdr; @@ -283,6 +297,8 @@ void mcheck_on_ramrelocation(size_t offset) printf("mcheck, WRN: forgetting %p chunk\n", p); mcheck_registry[i] = 0; } + + mcheck_chunk_count = 0; } #endif #endif |