[PATCH v10 08/11] glibc.malloc.check: Wean away from malloc hooks
Carlos O'Donell
carlos@redhat.com
Thu Jul 22 12:25:42 GMT 2021
On 7/19/21 2:46 PM, Siddhesh Poyarekar wrote:
> The malloc-check debugging feature is tightly integrated into glibc
> malloc, so thanks to an idea from Florian Weimer, much of the malloc
> implementation has been moved into libc_malloc_debug.so to support
> malloc-check. Due to this, glibc malloc and malloc-check can no
> longer work together; they use altogether different (but identical)
> structures for heap management. This should not make a difference
> though since the malloc check hook is not disabled anywhere.
> malloc_set_state does, but it does so early enough that it shouldn't
> cause any problems.
>
> The malloc check tunable is now in the debug DSO and has no effect
> when the DSO is not preloaded.
OK for 2.34.
Tested without regression for x86_64 and i686.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
> ---
> malloc/Makefile | 3 +-
> malloc/Versions | 12 ++
> malloc/arena.c | 17 +-
> malloc/hooks.c | 9 -
> malloc/malloc-check.c | 63 ++++---
> malloc/malloc-debug.c | 154 ++++++++++++++++--
> malloc/malloc.c | 35 ++--
> sysdeps/aarch64/Makefile | 3 +
> .../mach/hurd/i386/libc_malloc_debug.abilist | 7 +
> .../linux/aarch64/libc_malloc_debug.abilist | 7 +
> .../linux/alpha/libc_malloc_debug.abilist | 7 +
> .../sysv/linux/arc/libc_malloc_debug.abilist | 7 +
> .../linux/arm/be/libc_malloc_debug.abilist | 7 +
> .../linux/arm/le/libc_malloc_debug.abilist | 7 +
> .../sysv/linux/csky/libc_malloc_debug.abilist | 7 +
> .../sysv/linux/hppa/libc_malloc_debug.abilist | 7 +
> .../sysv/linux/i386/libc_malloc_debug.abilist | 7 +
> .../sysv/linux/ia64/libc_malloc_debug.abilist | 7 +
> .../m68k/coldfire/libc_malloc_debug.abilist | 7 +
> .../m68k/m680x0/libc_malloc_debug.abilist | 7 +
> .../microblaze/be/libc_malloc_debug.abilist | 7 +
> .../microblaze/le/libc_malloc_debug.abilist | 7 +
> .../mips/mips32/fpu/libc_malloc_debug.abilist | 7 +
> .../mips32/nofpu/libc_malloc_debug.abilist | 7 +
> .../mips/mips64/n32/libc_malloc_debug.abilist | 7 +
> .../mips/mips64/n64/libc_malloc_debug.abilist | 7 +
> .../linux/nios2/libc_malloc_debug.abilist | 7 +
> .../powerpc32/fpu/libc_malloc_debug.abilist | 7 +
> .../powerpc32/nofpu/libc_malloc_debug.abilist | 7 +
> .../powerpc64/be/libc_malloc_debug.abilist | 7 +
> .../powerpc64/le/libc_malloc_debug.abilist | 7 +
> .../riscv/rv32/libc_malloc_debug.abilist | 7 +
> .../riscv/rv64/libc_malloc_debug.abilist | 7 +
> .../s390/s390-32/libc_malloc_debug.abilist | 7 +
> .../s390/s390-64/libc_malloc_debug.abilist | 7 +
> .../linux/sh/be/libc_malloc_debug.abilist | 7 +
> .../linux/sh/le/libc_malloc_debug.abilist | 7 +
> .../sparc/sparc32/libc_malloc_debug.abilist | 7 +
> .../sparc/sparc64/libc_malloc_debug.abilist | 7 +
> .../linux/x86_64/64/libc_malloc_debug.abilist | 7 +
> .../x86_64/x32/libc_malloc_debug.abilist | 7 +
> 41 files changed, 447 insertions(+), 80 deletions(-)
>
> diff --git a/malloc/Makefile b/malloc/Makefile
> index f86044324d..4099d63a2a 100644
> --- a/malloc/Makefile
> +++ b/malloc/Makefile
> @@ -133,7 +133,7 @@ test-extras = \
> libmemusage-routines = memusage
> libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))
>
> -libc_malloc_debug-routines = malloc-debug
> +libc_malloc_debug-routines = malloc-debug $(sysdep_malloc_debug_routines)
> libc_malloc_debug-inhibit-o = $(filter-out .os,$(object-suffixes))
>
> $(objpfx)tst-malloc-backtrace: $(shared-thread-library)
> @@ -250,6 +250,7 @@ tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3 \
>
> tst-mxfast-ENV = GLIBC_TUNABLES=glibc.malloc.tcache_count=0:glibc.malloc.mxfast=0
>
> +CPPFLAGS-malloc-debug.c += -DUSE_TCACHE=0
> ifeq ($(experimental-malloc),yes)
> CPPFLAGS-malloc.c += -DUSE_TCACHE=1
> else
> diff --git a/malloc/Versions b/malloc/Versions
> index 71d933de19..cbb73d18c1 100644
> --- a/malloc/Versions
> +++ b/malloc/Versions
> @@ -119,13 +119,25 @@ libc_malloc_debug {
> mprobe;
> mtrace;
> muntrace;
> +
> + mallinfo;
> + malloc_stats;
> + malloc_trim;
> + malloc_usable_size;
> + mallopt;
> }
> GLIBC_2.2 {
> mcheck_check_all;
> mcheck_pedantic;
> posix_memalign;
> }
> + GLIBC_2.10 {
> + malloc_info;
> + }
> GLIBC_2.16 {
> aligned_alloc;
> }
> + GLIBC_2.33 {
> + mallinfo2;
> + }
> }
> diff --git a/malloc/arena.c b/malloc/arena.c
> index 840426f9fb..edcaa8816d 100644
> --- a/malloc/arena.c
> +++ b/malloc/arena.c
> @@ -79,7 +79,9 @@ static __thread mstate thread_arena attribute_tls_model_ie;
> acquired after free_list_lock has been acquired. */
>
> __libc_lock_define_initialized (static, free_list_lock);
> +#if IS_IN (libc)
> static size_t narenas = 1;
> +#endif
> static mstate free_list;
>
> /* list_lock prevents concurrent writes to the next member of struct
> @@ -207,14 +209,6 @@ __malloc_fork_unlock_child (void)
> }
>
> #if HAVE_TUNABLES
> -static void
> -TUNABLE_CALLBACK (set_mallopt_check) (tunable_val_t *valp)
> -{
> - int32_t value = (int32_t) valp->numval;
> - if (value != 0)
> - __malloc_check_init ();
> -}
> -
> # define TUNABLE_CALLBACK_FNDECL(__name, __type) \
> static inline int do_ ## __name (__type value); \
> static void \
> @@ -309,7 +303,7 @@ ptmalloc_init (void)
> }
> #endif
>
> -#ifdef SHARED
> +#if defined SHARED && IS_IN (libc)
> /* In case this libc copy is in a non-default namespace, never use
> brk. Likewise if dlopened from statically linked program. The
> generic sbrk implementation also enforces this, but it is not
> @@ -323,7 +317,6 @@ ptmalloc_init (void)
> malloc_init_state (&main_arena);
>
> #if HAVE_TUNABLES
> - TUNABLE_GET (check, int32_t, TUNABLE_CALLBACK (set_mallopt_check));
> TUNABLE_GET (top_pad, size_t, TUNABLE_CALLBACK (set_top_pad));
> TUNABLE_GET (perturb, int32_t, TUNABLE_CALLBACK (set_perturb_byte));
> TUNABLE_GET (mmap_threshold, size_t, TUNABLE_CALLBACK (set_mmap_threshold));
> @@ -401,8 +394,6 @@ ptmalloc_init (void)
> }
> }
> }
> - if (s && s[0] != '\0' && s[0] != '0')
> - __malloc_check_init ();
> #endif
> }
>
> @@ -672,6 +663,7 @@ heap_trim (heap_info *heap, size_t pad)
>
> /* Create a new arena with initial size "size". */
>
> +#if IS_IN (libc)
> /* If REPLACED_ARENA is not NULL, detach it from this thread. Must be
> called while free_list_lock is held. */
> static void
> @@ -947,6 +939,7 @@ arena_get_retry (mstate ar_ptr, size_t bytes)
>
> return ar_ptr;
> }
> +#endif
>
> void
> __malloc_arena_thread_freeres (void)
> diff --git a/malloc/hooks.c b/malloc/hooks.c
> index 8e9fefe6c3..6c212fbc21 100644
> --- a/malloc/hooks.c
> +++ b/malloc/hooks.c
> @@ -39,8 +39,6 @@ void *weak_variable (*__malloc_hook) (size_t, const void *) = NULL;
> void *weak_variable (*__realloc_hook) (void *, size_t, const void *) = NULL;
> void *weak_variable (*__memalign_hook) (size_t, size_t, const void *) = NULL;
>
> -#include "malloc-check.c"
> -
> #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_25)
>
> /* Support for restoring dumped heaps contained in historic Emacs
> @@ -108,13 +106,6 @@ malloc_set_state (void *msptr)
> calls calloc and thus must be called only afterwards, so there
> cannot be more than one thread when we reach this point. */
>
> - /* Disable the malloc hooks (and malloc checking). */
> - __malloc_hook = NULL;
> - __realloc_hook = NULL;
> - __free_hook = NULL;
> - __memalign_hook = NULL;
> - using_malloc_checking = 0;
> -
> /* Patch the dumped heap. We no longer try to integrate into the
> existing heap. Instead, we mark the existing chunks as mmapped.
> Together with the update to dumped_main_arena_start and
> diff --git a/malloc/malloc-check.c b/malloc/malloc-check.c
> index dcab880510..a444c7478e 100644
> --- a/malloc/malloc-check.c
> +++ b/malloc/malloc-check.c
> @@ -17,20 +17,8 @@
> License along with the GNU C Library; see the file COPYING.LIB. If
> not, see <https://www.gnu.org/licenses/>. */
>
> -
> -/* Whether we are using malloc checking. */
> -static int using_malloc_checking;
> -
> -/* Activate a standard set of debugging hooks. */
> -void
> -__malloc_check_init (void)
> -{
> - using_malloc_checking = 1;
> - __malloc_hook = malloc_check;
> - __free_hook = free_check;
> - __realloc_hook = realloc_check;
> - __memalign_hook = memalign_check;
> -}
> +#define __mremap mremap
> +#include "malloc.c"
>
> /* When memory is tagged, the checking data is stored in the user part
> of the chunk. We can't rely on the user not having modified the
> @@ -63,14 +51,13 @@ magicbyte (const void *p)
> must reach it with this iteration, otherwise we have witnessed a memory
> corruption. */
> static size_t
> -malloc_check_get_size (mchunkptr p)
> +malloc_check_get_size (void *mem)
> {
> size_t size;
> unsigned char c;
> + mchunkptr p = mem2chunk (mem);
> unsigned char magic = magicbyte (p);
>
> - assert (using_malloc_checking == 1);
> -
> for (size = CHUNK_HDR_SZ + memsize (p) - 1;
> (c = *SAFE_CHAR_OFFSET (p, size)) != magic;
> size -= c)
> @@ -203,7 +190,7 @@ top_check (void)
> }
>
> static void *
> -malloc_check (size_t sz, const void *caller)
> +malloc_check (size_t sz)
> {
> void *victim;
> size_t nb;
> @@ -222,7 +209,7 @@ malloc_check (size_t sz, const void *caller)
> }
>
> static void
> -free_check (void *mem, const void *caller)
> +free_check (void *mem)
> {
> mchunkptr p;
>
> @@ -256,7 +243,7 @@ free_check (void *mem, const void *caller)
> }
>
> static void *
> -realloc_check (void *oldmem, size_t bytes, const void *caller)
> +realloc_check (void *oldmem, size_t bytes)
> {
> INTERNAL_SIZE_T chnb;
> void *newmem = 0;
> @@ -269,11 +256,11 @@ realloc_check (void *oldmem, size_t bytes, const void *caller)
> return NULL;
> }
> if (oldmem == 0)
> - return malloc_check (bytes, NULL);
> + return malloc_check (bytes);
>
> if (bytes == 0)
> {
> - free_check (oldmem, NULL);
> + free_check (oldmem);
> return NULL;
> }
>
> @@ -348,12 +335,12 @@ invert:
> }
>
> static void *
> -memalign_check (size_t alignment, size_t bytes, const void *caller)
> +memalign_check (size_t alignment, size_t bytes)
> {
> void *mem;
>
> if (alignment <= MALLOC_ALIGNMENT)
> - return malloc_check (bytes, NULL);
> + return malloc_check (bytes);
>
> if (alignment < MINSIZE)
> alignment = MINSIZE;
> @@ -363,14 +350,14 @@ memalign_check (size_t alignment, size_t bytes, const void *caller)
> if (alignment > SIZE_MAX / 2 + 1)
> {
> __set_errno (EINVAL);
> - return 0;
> + return NULL;
> }
>
> /* Check for overflow. */
> if (bytes > SIZE_MAX - alignment - MINSIZE)
> {
> __set_errno (ENOMEM);
> - return 0;
> + return NULL;
> }
>
> /* Make sure alignment is power of 2. */
> @@ -388,3 +375,27 @@ memalign_check (size_t alignment, size_t bytes, const void *caller)
> __libc_lock_unlock (main_arena.mutex);
> return mem2mem_check (tag_new_usable (mem), bytes);
> }
> +
> +static void
> +TUNABLE_CALLBACK (set_mallopt_check) (tunable_val_t *valp)
> +{
> + int32_t value = (int32_t) valp->numval;
> + if (value != 0)
> + __malloc_debug_enable (MALLOC_CHECK_HOOK);
> +}
> +
> +static bool
> +initialize_malloc_check (void)
> +{
> + /* This is the copy of the malloc initializer that we pulled in along with
> + malloc-check. This does not affect any of the libc malloc structures. */
> + ptmalloc_init ();
> +#if HAVE_TUNABLES
> + TUNABLE_GET (check, int32_t, TUNABLE_CALLBACK (set_mallopt_check));
> +#else
> + const char *s = secure_getenv ("MALLOC_CHECK_");
> + if (s && s[0] != '\0' && s[0] != '0')
> + __malloc_debug_enable (MALLOC_CHECK_HOOK);
> +#endif
> + return __is_malloc_debug_enabled (MALLOC_CHECK_HOOK);
> +}
> diff --git a/malloc/malloc-debug.c b/malloc/malloc-debug.c
> index 9942124e02..f5290aaa6d 100644
> --- a/malloc/malloc-debug.c
> +++ b/malloc/malloc-debug.c
> @@ -50,6 +50,7 @@ enum malloc_debug_hooks
> MALLOC_NONE_HOOK = 0,
> MALLOC_MCHECK_HOOK = 1 << 0, /* mcheck() */
> MALLOC_MTRACE_HOOK = 1 << 1, /* mtrace() */
> + MALLOC_CHECK_HOOK = 1 << 2, /* MALLOC_CHECK_ or glibc.malloc.check. */
> };
> static unsigned __malloc_debugging_hooks;
>
> @@ -73,6 +74,7 @@ __malloc_debug_disable (enum malloc_debug_hooks flag)
>
> #include "mcheck.c"
> #include "mtrace.c"
> +#include "malloc-check.c"
>
> extern void (*__malloc_initialize_hook) (void);
> compat_symbol_reference (libc, __malloc_initialize_hook,
> @@ -105,13 +107,18 @@ generic_hook_ini (void)
> __malloc_hook = NULL;
> __realloc_hook = NULL;
> __memalign_hook = NULL;
> - /* The compiler does not know that these functions are allocators, so it will
> - not try to optimize it away. */
> - __libc_free (__libc_malloc (0));
> +
> + /* malloc check does not quite co-exist with libc malloc, so initialize
> + either on or the other. */
> + if (!initialize_malloc_check ())
> + /* The compiler does not know that these functions are allocators, so it
> + will not try to optimize it away. */
> + __libc_free (__libc_malloc (0));
>
> void (*hook) (void) = __malloc_initialize_hook;
> if (hook != NULL)
> (*hook)();
> +
> debug_initialized = 1;
> }
>
> @@ -149,10 +156,11 @@ __debug_malloc (size_t bytes)
>
> void *victim = NULL;
> size_t orig_bytes = bytes;
> - if (!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> - || !malloc_mcheck_before (&bytes, &victim))
> + if ((!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> + || !malloc_mcheck_before (&bytes, &victim)))
> {
> - victim = __libc_malloc (bytes);
> + victim = (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK)
> + ? malloc_check (bytes) : __libc_malloc (bytes));
> }
> if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && victim != NULL)
> victim = malloc_mcheck_after (victim, orig_bytes);
> @@ -175,10 +183,13 @@ __debug_free (void *mem)
>
> if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK))
> mem = free_mcheck (mem);
> +
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + free_check (mem);
> + else
> + __libc_free (mem);
> if (__is_malloc_debug_enabled (MALLOC_MTRACE_HOOK))
> free_mtrace (mem, RETURN_ADDRESS (0));
> -
> - __libc_free (mem);
> }
> strong_alias (__debug_free, free)
>
> @@ -193,10 +204,13 @@ __debug_realloc (void *oldmem, size_t bytes)
> size_t orig_bytes = bytes, oldsize = 0;
> void *victim = NULL;
>
> - if (!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> - || !realloc_mcheck_before (&oldmem, &bytes, &oldsize, &victim))
> + if ((!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> + || !realloc_mcheck_before (&oldmem, &bytes, &oldsize, &victim)))
> {
> - victim = __libc_realloc (oldmem, bytes);
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + victim = realloc_check (oldmem, bytes);
> + else
> + victim = __libc_realloc (oldmem, bytes);
> }
> if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && victim != NULL)
> victim = realloc_mcheck_after (victim, oldmem, orig_bytes,
> @@ -219,10 +233,12 @@ _debug_mid_memalign (size_t alignment, size_t bytes, const void *address)
> void *victim = NULL;
> size_t orig_bytes = bytes;
>
> - if (!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> - || !memalign_mcheck_before (alignment, &bytes, &victim))
> + if ((!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> + || !memalign_mcheck_before (alignment, &bytes, &victim)))
> {
> - victim = __libc_memalign (alignment, bytes);
> + victim = (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK)
> + ? memalign_check (alignment, bytes)
> + : __libc_memalign (alignment, bytes));
> }
> if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK) && victim != NULL)
> victim = memalign_mcheck_after (victim, alignment, orig_bytes);
> @@ -316,10 +332,11 @@ __debug_calloc (size_t nmemb, size_t size)
> size_t orig_bytes = bytes;
> void *victim = NULL;
>
> - if (!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> - || !malloc_mcheck_before (&bytes, &victim))
> + if ((!__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK)
> + || !malloc_mcheck_before (&bytes, &victim)))
> {
> - victim = __libc_malloc (bytes);
> + victim = (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK)
> + ? malloc_check (bytes) : __libc_malloc (bytes));
> }
> if (victim != NULL)
> {
> @@ -333,3 +350,106 @@ __debug_calloc (size_t nmemb, size_t size)
> return victim;
> }
> strong_alias (__debug_calloc, calloc)
> +
> +size_t
> +malloc_usable_size (void *mem)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return malloc_check_get_size (mem);
> +
> + return musable (mem);
> +}
> +
> +#define LIBC_SYMBOL(sym) libc_ ## sym
> +#define SYMHANDLE(sym) sym ## _handle
> +
> +#define LOAD_SYM(sym) ({ \
> + static void *SYMHANDLE (sym); \
> + if (SYMHANDLE (sym) == NULL) \
> + SYMHANDLE (sym) = dlsym (RTLD_NEXT, #sym); \
> + SYMHANDLE (sym); \
> +})
> +
> +int
> +malloc_info (int options, FILE *fp)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return __malloc_info (options, fp);
> +
> + int (*LIBC_SYMBOL (malloc_info)) (int, FILE *) = LOAD_SYM (malloc_info);
> + if (LIBC_SYMBOL (malloc_info) == NULL)
> + return -1;
> +
> + return LIBC_SYMBOL (malloc_info) (options, fp);
> +}
> +
> +int
> +mallopt (int param_number, int value)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return __libc_mallopt (param_number, value);
> +
> + int (*LIBC_SYMBOL (mallopt)) (int, int) = LOAD_SYM (mallopt);
> + if (LIBC_SYMBOL (mallopt) == NULL)
> + return 0;
> +
> + return LIBC_SYMBOL (mallopt) (param_number, value);
> +}
> +
> +void
> +malloc_stats (void)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return __malloc_stats ();
> +
> + void (*LIBC_SYMBOL (malloc_stats)) (void) = LOAD_SYM (malloc_stats);
> + if (LIBC_SYMBOL (malloc_stats) == NULL)
> + return;
> +
> + LIBC_SYMBOL (malloc_stats) ();
> +}
> +
> +struct mallinfo2
> +mallinfo2 (void)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return __libc_mallinfo2 ();
> +
> + struct mallinfo2 (*LIBC_SYMBOL (mallinfo2)) (void) = LOAD_SYM (mallinfo2);
> + if (LIBC_SYMBOL (mallinfo2) == NULL)
> + {
> + struct mallinfo2 ret = {0};
> + return ret;
> + }
> +
> + return LIBC_SYMBOL (mallinfo2) ();
> +}
> +
> +struct mallinfo
> +mallinfo (void)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return __libc_mallinfo ();
> +
> + struct mallinfo (*LIBC_SYMBOL (mallinfo)) (void) = LOAD_SYM (mallinfo);
> + if (LIBC_SYMBOL (mallinfo) == NULL)
> + {
> + struct mallinfo ret = {0};
> + return ret;
> + }
> +
> + return LIBC_SYMBOL (mallinfo) ();
> +}
> +
> +int
> +malloc_trim (size_t s)
> +{
> + if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
> + return __malloc_trim (s);
> +
> + int (*LIBC_SYMBOL (malloc_trim)) (size_t) = LOAD_SYM (malloc_trim);
> + if (LIBC_SYMBOL (malloc_trim) == NULL)
> + return 0;
> +
> + return LIBC_SYMBOL (malloc_trim) (s);
> +}
> diff --git a/malloc/malloc.c b/malloc/malloc.c
> index ed0316e690..b8fcb2f2d3 100644
> --- a/malloc/malloc.c
> +++ b/malloc/malloc.c
> @@ -288,6 +288,7 @@
> #define MALLOC_DEBUG 0
> #endif
>
> +#if IS_IN (libc)
> #ifndef NDEBUG
> # define __assert_fail(assertion, file, line, function) \
> __malloc_assert(assertion, file, line, function)
> @@ -307,6 +308,7 @@ __malloc_assert (const char *assertion, const char *file, unsigned int line,
> abort ();
> }
> #endif
> +#endif
>
> #if USE_TCACHE
> /* We want 64 entries. This is an arbitrary limit, which tunables can reduce. */
> @@ -592,6 +594,7 @@ tag_at (void *ptr)
>
> /* ---------- description of public routines ------------ */
>
> +#if IS_IN (libc)
> /*
> malloc(size_t n)
> Returns a pointer to a newly allocated chunk of at least n bytes, or null
> @@ -815,6 +818,7 @@ void __malloc_stats(void);
> POSIX wrapper like memalign(), checking for validity of size.
> */
> int __posix_memalign(void **, size_t, size_t);
> +#endif /* IS_IN (libc) */
>
> /* mallopt tuning options */
>
> @@ -1106,24 +1110,17 @@ static void _int_free(mstate, mchunkptr, int);
> static void* _int_realloc(mstate, mchunkptr, INTERNAL_SIZE_T,
> INTERNAL_SIZE_T);
> static void* _int_memalign(mstate, size_t, size_t);
> +#if IS_IN (libc)
> static void* _mid_memalign(size_t, size_t, void *);
> +#endif
>
> static void malloc_printerr(const char *str) __attribute__ ((noreturn));
>
> -static void* mem2mem_check(void *p, size_t sz);
> -static void top_check(void);
> static void munmap_chunk(mchunkptr p);
> #if HAVE_MREMAP
> static mchunkptr mremap_chunk(mchunkptr p, size_t new_size);
> #endif
>
> -static void* malloc_check(size_t sz, const void *caller);
> -static void free_check(void* mem, const void *caller);
> -static void* realloc_check(void* oldmem, size_t bytes,
> - const void *caller);
> -static void* memalign_check(size_t alignment, size_t bytes,
> - const void *caller);
> -
> /* ------------------ MMAP support ------------------ */
>
>
> @@ -2385,7 +2382,9 @@ do_check_malloc_state (mstate av)
>
>
> /* ----------------- Support for debugging hooks -------------------- */
> +#if IS_IN (libc)
> #include "hooks.c"
> +#endif
>
>
> /* ----------- Routines dealing with system allocation -------------- */
> @@ -3186,6 +3185,7 @@ tcache_thread_shutdown (void)
>
> #endif /* !USE_TCACHE */
>
> +#if IS_IN (libc)
> void *
> __libc_malloc (size_t bytes)
> {
> @@ -3686,6 +3686,7 @@ __libc_calloc (size_t n, size_t elem_size)
>
> return mem;
> }
> +#endif /* IS_IN (libc) */
>
> /*
> ------------------------------ malloc ------------------------------
> @@ -5054,9 +5055,6 @@ musable (void *mem)
>
> p = mem2chunk (mem);
>
> - if (__builtin_expect (using_malloc_checking == 1, 0))
> - return malloc_check_get_size (p);
> -
> if (chunk_is_mmapped (p))
> {
> if (DUMPED_MAIN_ARENA_CHUNK (p))
> @@ -5072,7 +5070,7 @@ musable (void *mem)
> return 0;
> }
>
> -
> +#if IS_IN (libc)
> size_t
> __malloc_usable_size (void *m)
> {
> @@ -5081,12 +5079,12 @@ __malloc_usable_size (void *m)
> result = musable (m);
> return result;
> }
> +#endif
>
> /*
> ------------------------------ mallinfo ------------------------------
> Accumulate malloc statistics for arena AV into M.
> */
> -
> static void
> int_mallinfo (mstate av, struct mallinfo2 *m)
> {
> @@ -5585,10 +5583,15 @@ extern char **__libc_argv attribute_hidden;
> static void
> malloc_printerr (const char *str)
> {
> +#if IS_IN (libc)
> __libc_message (do_abort, "%s\n", str);
> +#else
> + __libc_fatal (str);
> +#endif
> __builtin_unreachable ();
> }
>
> +#if IS_IN (libc)
> /* We need a wrapper function for one of the additions of POSIX. */
> int
> __posix_memalign (void **memptr, size_t alignment, size_t size)
> @@ -5618,6 +5621,7 @@ __posix_memalign (void **memptr, size_t alignment, size_t size)
> return ENOMEM;
> }
> weak_alias (__posix_memalign, posix_memalign)
> +#endif
>
>
> int
> @@ -5821,9 +5825,9 @@ __malloc_info (int options, FILE *fp)
>
> return 0;
> }
> +#if IS_IN (libc)
> weak_alias (__malloc_info, malloc_info)
>
> -
> strong_alias (__libc_calloc, __calloc) weak_alias (__libc_calloc, calloc)
> strong_alias (__libc_free, __free) strong_alias (__libc_free, free)
> strong_alias (__libc_malloc, __malloc) strong_alias (__libc_malloc, malloc)
> @@ -5841,6 +5845,7 @@ strong_alias (__libc_mallopt, __mallopt) weak_alias (__libc_mallopt, mallopt)
> weak_alias (__malloc_stats, malloc_stats)
> weak_alias (__malloc_usable_size, malloc_usable_size)
> weak_alias (__malloc_trim, malloc_trim)
> +#endif
>
> #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_26)
> compat_symbol (libc, __libc_free, cfree, GLIBC_2_0);
> diff --git a/sysdeps/aarch64/Makefile b/sysdeps/aarch64/Makefile
> index 1099f1d657..7c66fb97aa 100644
> --- a/sysdeps/aarch64/Makefile
> +++ b/sysdeps/aarch64/Makefile
> @@ -42,5 +42,8 @@ ifeq ($(subdir),misc)
> sysdep_headers += sys/ifunc.h
> sysdep_routines += __mtag_tag_zero_region \
> __mtag_tag_region
> +endif
>
> +ifeq ($(subdir),malloc)
> +sysdep_malloc_debug_routines = __mtag_tag_zero_region __mtag_tag_region
> endif
> diff --git a/sysdeps/mach/hurd/i386/libc_malloc_debug.abilist b/sysdeps/mach/hurd/i386/libc_malloc_debug.abilist
> index 798d3ae8a3..c1ff86dfbd 100644
> --- a/sysdeps/mach/hurd/i386/libc_malloc_debug.abilist
> +++ b/sysdeps/mach/hurd/i386/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2.6 __free_hook D 0x4
> GLIBC_2.2.6 __malloc_hook D 0x4
> @@ -5,7 +6,12 @@ GLIBC_2.2.6 __memalign_hook D 0x4
> GLIBC_2.2.6 __realloc_hook D 0x4
> GLIBC_2.2.6 calloc F
> GLIBC_2.2.6 free F
> +GLIBC_2.2.6 mallinfo F
> GLIBC_2.2.6 malloc F
> +GLIBC_2.2.6 malloc_stats F
> +GLIBC_2.2.6 malloc_trim F
> +GLIBC_2.2.6 malloc_usable_size F
> +GLIBC_2.2.6 mallopt F
> GLIBC_2.2.6 mcheck F
> GLIBC_2.2.6 mcheck_check_all F
> GLIBC_2.2.6 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2.6 posix_memalign F
> GLIBC_2.2.6 pvalloc F
> GLIBC_2.2.6 realloc F
> GLIBC_2.2.6 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> index bf543ed1e0..65fb5036bd 100644
> --- a/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.17 __realloc_hook D 0x8
> GLIBC_2.17 aligned_alloc F
> GLIBC_2.17 calloc F
> GLIBC_2.17 free F
> +GLIBC_2.17 mallinfo F
> GLIBC_2.17 malloc F
> +GLIBC_2.17 malloc_info F
> +GLIBC_2.17 malloc_stats F
> +GLIBC_2.17 malloc_trim F
> +GLIBC_2.17 malloc_usable_size F
> +GLIBC_2.17 mallopt F
> GLIBC_2.17 mcheck F
> GLIBC_2.17 mcheck_check_all F
> GLIBC_2.17 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.17 posix_memalign F
> GLIBC_2.17 pvalloc F
> GLIBC_2.17 realloc F
> GLIBC_2.17 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> index fa8beb5e83..bdf3541c24 100644
> --- a/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x8
> GLIBC_2.0 __realloc_hook D 0x8
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> index 14bad4f83a..cf9f611403 100644
> --- a/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.32 __realloc_hook D 0x4
> GLIBC_2.32 aligned_alloc F
> GLIBC_2.32 calloc F
> GLIBC_2.32 free F
> +GLIBC_2.32 mallinfo F
> GLIBC_2.32 malloc F
> +GLIBC_2.32 malloc_info F
> +GLIBC_2.32 malloc_stats F
> +GLIBC_2.32 malloc_trim F
> +GLIBC_2.32 malloc_usable_size F
> +GLIBC_2.32 mallopt F
> GLIBC_2.32 mcheck F
> GLIBC_2.32 mcheck_check_all F
> GLIBC_2.32 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.32 posix_memalign F
> GLIBC_2.32 pvalloc F
> GLIBC_2.32 realloc F
> GLIBC_2.32 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> index 97b470a989..81be491d53 100644
> --- a/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> @@ -1,11 +1,18 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> +GLIBC_2.33 mallinfo2 F
> GLIBC_2.4 __free_hook D 0x4
> GLIBC_2.4 __malloc_hook D 0x4
> GLIBC_2.4 __memalign_hook D 0x4
> GLIBC_2.4 __realloc_hook D 0x4
> GLIBC_2.4 calloc F
> GLIBC_2.4 free F
> +GLIBC_2.4 mallinfo F
> GLIBC_2.4 malloc F
> +GLIBC_2.4 malloc_stats F
> +GLIBC_2.4 malloc_trim F
> +GLIBC_2.4 malloc_usable_size F
> +GLIBC_2.4 mallopt F
> GLIBC_2.4 mcheck F
> GLIBC_2.4 mcheck_check_all F
> GLIBC_2.4 mcheck_pedantic F
> diff --git a/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> index 97b470a989..81be491d53 100644
> --- a/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> @@ -1,11 +1,18 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> +GLIBC_2.33 mallinfo2 F
> GLIBC_2.4 __free_hook D 0x4
> GLIBC_2.4 __malloc_hook D 0x4
> GLIBC_2.4 __memalign_hook D 0x4
> GLIBC_2.4 __realloc_hook D 0x4
> GLIBC_2.4 calloc F
> GLIBC_2.4 free F
> +GLIBC_2.4 mallinfo F
> GLIBC_2.4 malloc F
> +GLIBC_2.4 malloc_stats F
> +GLIBC_2.4 malloc_trim F
> +GLIBC_2.4 malloc_usable_size F
> +GLIBC_2.4 mallopt F
> GLIBC_2.4 mcheck F
> GLIBC_2.4 mcheck_check_all F
> GLIBC_2.4 mcheck_pedantic F
> diff --git a/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> index eac818b681..4cd866430b 100644
> --- a/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.29 __realloc_hook D 0x4
> GLIBC_2.29 aligned_alloc F
> GLIBC_2.29 calloc F
> GLIBC_2.29 free F
> +GLIBC_2.29 mallinfo F
> GLIBC_2.29 malloc F
> +GLIBC_2.29 malloc_info F
> +GLIBC_2.29 malloc_stats F
> +GLIBC_2.29 malloc_trim F
> +GLIBC_2.29 malloc_usable_size F
> +GLIBC_2.29 mallopt F
> GLIBC_2.29 mcheck F
> GLIBC_2.29 mcheck_check_all F
> GLIBC_2.29 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.29 posix_memalign F
> GLIBC_2.29 pvalloc F
> GLIBC_2.29 realloc F
> GLIBC_2.29 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> index 88cdf04cbe..22d0bf2d8a 100644
> --- a/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 __free_hook D 0x4
> GLIBC_2.2 __malloc_hook D 0x4
> @@ -5,7 +6,12 @@ GLIBC_2.2 __memalign_hook D 0x4
> GLIBC_2.2 __realloc_hook D 0x4
> GLIBC_2.2 calloc F
> GLIBC_2.2 free F
> +GLIBC_2.2 mallinfo F
> GLIBC_2.2 malloc F
> +GLIBC_2.2 malloc_stats F
> +GLIBC_2.2 malloc_trim F
> +GLIBC_2.2 malloc_usable_size F
> +GLIBC_2.2 mallopt F
> GLIBC_2.2 mcheck F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2 posix_memalign F
> GLIBC_2.2 pvalloc F
> GLIBC_2.2 realloc F
> GLIBC_2.2 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/ia64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/ia64/libc_malloc_debug.abilist
> index ee940be29a..6d5574a760 100644
> --- a/sysdeps/unix/sysv/linux/ia64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/ia64/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 __free_hook D 0x8
> GLIBC_2.2 __malloc_hook D 0x8
> @@ -5,7 +6,12 @@ GLIBC_2.2 __memalign_hook D 0x8
> GLIBC_2.2 __realloc_hook D 0x8
> GLIBC_2.2 calloc F
> GLIBC_2.2 free F
> +GLIBC_2.2 mallinfo F
> GLIBC_2.2 malloc F
> +GLIBC_2.2 malloc_stats F
> +GLIBC_2.2 malloc_trim F
> +GLIBC_2.2 malloc_usable_size F
> +GLIBC_2.2 mallopt F
> GLIBC_2.2 mcheck F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2 posix_memalign F
> GLIBC_2.2 pvalloc F
> GLIBC_2.2 realloc F
> GLIBC_2.2 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> index 97b470a989..81be491d53 100644
> --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> @@ -1,11 +1,18 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> +GLIBC_2.33 mallinfo2 F
> GLIBC_2.4 __free_hook D 0x4
> GLIBC_2.4 __malloc_hook D 0x4
> GLIBC_2.4 __memalign_hook D 0x4
> GLIBC_2.4 __realloc_hook D 0x4
> GLIBC_2.4 calloc F
> GLIBC_2.4 free F
> +GLIBC_2.4 mallinfo F
> GLIBC_2.4 malloc F
> +GLIBC_2.4 malloc_stats F
> +GLIBC_2.4 malloc_trim F
> +GLIBC_2.4 malloc_usable_size F
> +GLIBC_2.4 mallopt F
> GLIBC_2.4 mcheck F
> GLIBC_2.4 mcheck_check_all F
> GLIBC_2.4 mcheck_pedantic F
> diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> index 48db59ebb1..daa80c4772 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.18 __realloc_hook D 0x4
> GLIBC_2.18 aligned_alloc F
> GLIBC_2.18 calloc F
> GLIBC_2.18 free F
> +GLIBC_2.18 mallinfo F
> GLIBC_2.18 malloc F
> +GLIBC_2.18 malloc_info F
> +GLIBC_2.18 malloc_stats F
> +GLIBC_2.18 malloc_trim F
> +GLIBC_2.18 malloc_usable_size F
> +GLIBC_2.18 mallopt F
> GLIBC_2.18 mcheck F
> GLIBC_2.18 mcheck_check_all F
> GLIBC_2.18 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.18 posix_memalign F
> GLIBC_2.18 pvalloc F
> GLIBC_2.18 realloc F
> GLIBC_2.18 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> index 48db59ebb1..daa80c4772 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.18 __realloc_hook D 0x4
> GLIBC_2.18 aligned_alloc F
> GLIBC_2.18 calloc F
> GLIBC_2.18 free F
> +GLIBC_2.18 mallinfo F
> GLIBC_2.18 malloc F
> +GLIBC_2.18 malloc_info F
> +GLIBC_2.18 malloc_stats F
> +GLIBC_2.18 malloc_trim F
> +GLIBC_2.18 malloc_usable_size F
> +GLIBC_2.18 mallopt F
> GLIBC_2.18 mcheck F
> GLIBC_2.18 mcheck_check_all F
> GLIBC_2.18 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.18 posix_memalign F
> GLIBC_2.18 pvalloc F
> GLIBC_2.18 realloc F
> GLIBC_2.18 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> index fa8beb5e83..bdf3541c24 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x8
> GLIBC_2.0 __realloc_hook D 0x8
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/nios2/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/nios2/libc_malloc_debug.abilist
> index 3a3f0a2861..ce6c5f7631 100644
> --- a/sysdeps/unix/sysv/linux/nios2/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/nios2/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.21 __realloc_hook D 0x4
> GLIBC_2.21 aligned_alloc F
> GLIBC_2.21 calloc F
> GLIBC_2.21 free F
> +GLIBC_2.21 mallinfo F
> GLIBC_2.21 malloc F
> +GLIBC_2.21 malloc_info F
> +GLIBC_2.21 malloc_stats F
> +GLIBC_2.21 malloc_trim F
> +GLIBC_2.21 malloc_usable_size F
> +GLIBC_2.21 mallopt F
> GLIBC_2.21 mcheck F
> GLIBC_2.21 mcheck_check_all F
> GLIBC_2.21 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.21 posix_memalign F
> GLIBC_2.21 pvalloc F
> GLIBC_2.21 realloc F
> GLIBC_2.21 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> index 9e0c7a48c0..7f134f9b48 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.3 __free_hook D 0x8
> GLIBC_2.3 __malloc_hook D 0x8
> @@ -5,7 +6,12 @@ GLIBC_2.3 __memalign_hook D 0x8
> GLIBC_2.3 __realloc_hook D 0x8
> GLIBC_2.3 calloc F
> GLIBC_2.3 free F
> +GLIBC_2.3 mallinfo F
> GLIBC_2.3 malloc F
> +GLIBC_2.3 malloc_stats F
> +GLIBC_2.3 malloc_trim F
> +GLIBC_2.3 malloc_usable_size F
> +GLIBC_2.3 mallopt F
> GLIBC_2.3 mcheck F
> GLIBC_2.3 mcheck_check_all F
> GLIBC_2.3 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.3 posix_memalign F
> GLIBC_2.3 pvalloc F
> GLIBC_2.3 realloc F
> GLIBC_2.3 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> index bf543ed1e0..65fb5036bd 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.17 __realloc_hook D 0x8
> GLIBC_2.17 aligned_alloc F
> GLIBC_2.17 calloc F
> GLIBC_2.17 free F
> +GLIBC_2.17 mallinfo F
> GLIBC_2.17 malloc F
> +GLIBC_2.17 malloc_info F
> +GLIBC_2.17 malloc_stats F
> +GLIBC_2.17 malloc_trim F
> +GLIBC_2.17 malloc_usable_size F
> +GLIBC_2.17 mallopt F
> GLIBC_2.17 mcheck F
> GLIBC_2.17 mcheck_check_all F
> GLIBC_2.17 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.17 posix_memalign F
> GLIBC_2.17 pvalloc F
> GLIBC_2.17 realloc F
> GLIBC_2.17 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> index e2448d7b83..ff6713a479 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> @@ -5,7 +5,14 @@ GLIBC_2.33 __realloc_hook D 0x4
> GLIBC_2.33 aligned_alloc F
> GLIBC_2.33 calloc F
> GLIBC_2.33 free F
> +GLIBC_2.33 mallinfo F
> +GLIBC_2.33 mallinfo2 F
> GLIBC_2.33 malloc F
> +GLIBC_2.33 malloc_info F
> +GLIBC_2.33 malloc_stats F
> +GLIBC_2.33 malloc_trim F
> +GLIBC_2.33 malloc_usable_size F
> +GLIBC_2.33 mallopt F
> GLIBC_2.33 mcheck F
> GLIBC_2.33 mcheck_check_all F
> GLIBC_2.33 mcheck_pedantic F
> diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> index 622ee2e67a..65425a03ee 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.27 __realloc_hook D 0x8
> GLIBC_2.27 aligned_alloc F
> GLIBC_2.27 calloc F
> GLIBC_2.27 free F
> +GLIBC_2.27 mallinfo F
> GLIBC_2.27 malloc F
> +GLIBC_2.27 malloc_info F
> +GLIBC_2.27 malloc_stats F
> +GLIBC_2.27 malloc_trim F
> +GLIBC_2.27 malloc_usable_size F
> +GLIBC_2.27 mallopt F
> GLIBC_2.27 mcheck F
> GLIBC_2.27 mcheck_check_all F
> GLIBC_2.27 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.27 posix_memalign F
> GLIBC_2.27 pvalloc F
> GLIBC_2.27 realloc F
> GLIBC_2.27 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> index ee940be29a..6d5574a760 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 __free_hook D 0x8
> GLIBC_2.2 __malloc_hook D 0x8
> @@ -5,7 +6,12 @@ GLIBC_2.2 __memalign_hook D 0x8
> GLIBC_2.2 __realloc_hook D 0x8
> GLIBC_2.2 calloc F
> GLIBC_2.2 free F
> +GLIBC_2.2 mallinfo F
> GLIBC_2.2 malloc F
> +GLIBC_2.2 malloc_stats F
> +GLIBC_2.2 malloc_trim F
> +GLIBC_2.2 malloc_usable_size F
> +GLIBC_2.2 mallopt F
> GLIBC_2.2 mcheck F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2 posix_memalign F
> GLIBC_2.2 pvalloc F
> GLIBC_2.2 realloc F
> GLIBC_2.2 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> index 88cdf04cbe..22d0bf2d8a 100644
> --- a/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 __free_hook D 0x4
> GLIBC_2.2 __malloc_hook D 0x4
> @@ -5,7 +6,12 @@ GLIBC_2.2 __memalign_hook D 0x4
> GLIBC_2.2 __realloc_hook D 0x4
> GLIBC_2.2 calloc F
> GLIBC_2.2 free F
> +GLIBC_2.2 mallinfo F
> GLIBC_2.2 malloc F
> +GLIBC_2.2 malloc_stats F
> +GLIBC_2.2 malloc_trim F
> +GLIBC_2.2 malloc_usable_size F
> +GLIBC_2.2 mallopt F
> GLIBC_2.2 mcheck F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2 posix_memalign F
> GLIBC_2.2 pvalloc F
> GLIBC_2.2 realloc F
> GLIBC_2.2 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> index 88cdf04cbe..22d0bf2d8a 100644
> --- a/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 __free_hook D 0x4
> GLIBC_2.2 __malloc_hook D 0x4
> @@ -5,7 +6,12 @@ GLIBC_2.2 __memalign_hook D 0x4
> GLIBC_2.2 __realloc_hook D 0x4
> GLIBC_2.2 calloc F
> GLIBC_2.2 free F
> +GLIBC_2.2 mallinfo F
> GLIBC_2.2 malloc F
> +GLIBC_2.2 malloc_stats F
> +GLIBC_2.2 malloc_trim F
> +GLIBC_2.2 malloc_usable_size F
> +GLIBC_2.2 mallopt F
> GLIBC_2.2 mcheck F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2 posix_memalign F
> GLIBC_2.2 pvalloc F
> GLIBC_2.2 realloc F
> GLIBC_2.2 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> index 96955644d5..6b3c5bfd0b 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> @@ -4,7 +4,12 @@ GLIBC_2.0 __memalign_hook D 0x4
> GLIBC_2.0 __realloc_hook D 0x4
> GLIBC_2.0 calloc F
> GLIBC_2.0 free F
> +GLIBC_2.0 mallinfo F
> GLIBC_2.0 malloc F
> +GLIBC_2.0 malloc_stats F
> +GLIBC_2.0 malloc_trim F
> +GLIBC_2.0 malloc_usable_size F
> +GLIBC_2.0 mallopt F
> GLIBC_2.0 mcheck F
> GLIBC_2.0 memalign F
> GLIBC_2.0 mprobe F
> @@ -13,7 +18,9 @@ GLIBC_2.0 muntrace F
> GLIBC_2.0 pvalloc F
> GLIBC_2.0 realloc F
> GLIBC_2.0 valloc F
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> GLIBC_2.2 posix_memalign F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> index ee940be29a..6d5574a760 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2 __free_hook D 0x8
> GLIBC_2.2 __malloc_hook D 0x8
> @@ -5,7 +6,12 @@ GLIBC_2.2 __memalign_hook D 0x8
> GLIBC_2.2 __realloc_hook D 0x8
> GLIBC_2.2 calloc F
> GLIBC_2.2 free F
> +GLIBC_2.2 mallinfo F
> GLIBC_2.2 malloc F
> +GLIBC_2.2 malloc_stats F
> +GLIBC_2.2 malloc_trim F
> +GLIBC_2.2 malloc_usable_size F
> +GLIBC_2.2 mallopt F
> GLIBC_2.2 mcheck F
> GLIBC_2.2 mcheck_check_all F
> GLIBC_2.2 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2 posix_memalign F
> GLIBC_2.2 pvalloc F
> GLIBC_2.2 realloc F
> GLIBC_2.2 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> index e734b8f088..3b7b729d64 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> @@ -1,3 +1,4 @@
> +GLIBC_2.10 malloc_info F
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.2.5 __free_hook D 0x8
> GLIBC_2.2.5 __malloc_hook D 0x8
> @@ -5,7 +6,12 @@ GLIBC_2.2.5 __memalign_hook D 0x8
> GLIBC_2.2.5 __realloc_hook D 0x8
> GLIBC_2.2.5 calloc F
> GLIBC_2.2.5 free F
> +GLIBC_2.2.5 mallinfo F
> GLIBC_2.2.5 malloc F
> +GLIBC_2.2.5 malloc_stats F
> +GLIBC_2.2.5 malloc_trim F
> +GLIBC_2.2.5 malloc_usable_size F
> +GLIBC_2.2.5 mallopt F
> GLIBC_2.2.5 mcheck F
> GLIBC_2.2.5 mcheck_check_all F
> GLIBC_2.2.5 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.2.5 posix_memalign F
> GLIBC_2.2.5 pvalloc F
> GLIBC_2.2.5 realloc F
> GLIBC_2.2.5 valloc F
> +GLIBC_2.33 mallinfo2 F
> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> index 14efc6602f..91d737a7f8 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> @@ -5,7 +5,13 @@ GLIBC_2.16 __realloc_hook D 0x4
> GLIBC_2.16 aligned_alloc F
> GLIBC_2.16 calloc F
> GLIBC_2.16 free F
> +GLIBC_2.16 mallinfo F
> GLIBC_2.16 malloc F
> +GLIBC_2.16 malloc_info F
> +GLIBC_2.16 malloc_stats F
> +GLIBC_2.16 malloc_trim F
> +GLIBC_2.16 malloc_usable_size F
> +GLIBC_2.16 mallopt F
> GLIBC_2.16 mcheck F
> GLIBC_2.16 mcheck_check_all F
> GLIBC_2.16 mcheck_pedantic F
> @@ -17,3 +23,4 @@ GLIBC_2.16 posix_memalign F
> GLIBC_2.16 pvalloc F
> GLIBC_2.16 realloc F
> GLIBC_2.16 valloc F
> +GLIBC_2.33 mallinfo2 F
>
--
Cheers,
Carlos.
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