diff --git a/NEWS b/NEWS
index 703f08a166..c8dc31925e 100644
--- a/NEWS
+++ b/NEWS
@@ -18,6 +18,9 @@ Major new features:
* On Linux, the pthread_gettid_np function has been added.
+* The ISO C2Y family of unsigned abs functions, i.e.
+ uabs, ulabs, ullabs and uimaxabs, are now supported.
+
Deprecated and removed features, and other changes affecting compatibility:
[Add deprecations, removals and changes affecting compatibility here]
diff --git a/manual/arith.texi b/manual/arith.texi
index 034d9d2ba5..d500dcf2a9 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -1233,25 +1233,33 @@ whose imaginary part is @var{y}, the absolute value is @w{@code{sqrt
@pindex math.h
@pindex stdlib.h
-Prototypes for @code{abs}, @code{labs} and @code{llabs} are in @file{stdlib.h};
-@code{imaxabs} is declared in @file{inttypes.h};
+Prototypes for @code{abs}, @code{labs}, @code{llabs},
+@code{uabs}, @code{ulabs} and @code{ullabs} are in @file{stdlib.h};
+@code{imaxabs} and @code{uimaxabs} are declared in @file{inttypes.h};
the @code{fabs} functions are declared in @file{math.h};
the @code{cabs} functions are declared in @file{complex.h}.
@deftypefun int abs (int @var{number})
@deftypefunx {long int} labs (long int @var{number})
@deftypefunx {long long int} llabs (long long int @var{number})
+@deftypefunx {unsigned int} uabs (int @var{number})
+@deftypefunx {unsigned long int} ulabs (long int @var{number})
+@deftypefunx {unsigned long long int} ullabs (long long int @var{number})
@deftypefunx intmax_t imaxabs (intmax_t @var{number})
+@deftypefunx uintmax_t uimaxabs (intmax_t @var{number})
@standards{ISO, stdlib.h}
@standardsx{imaxabs, ISO, inttypes.h}
+@standardsx{uimaxabs, ISO, inttypes.h}
@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
These functions return the absolute value of @var{number}.
Most computers use a two's complement integer representation, in which
the absolute value of @code{INT_MIN} (the smallest possible @code{int})
cannot be represented; thus, @w{@code{abs (INT_MIN)}} is not defined.
+Using @code{uabs} avoids this.
@code{llabs} and @code{imaxdiv} are new to @w{ISO C99}.
+@code{uabs}, @code{ulabs}, @code{ullabs} and @code{uimaxabs} are new to @w{ISO C2Y}.
See @ref{Integers} for a description of the @code{intmax_t} type.
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 513445bcbc..1c80e497f0 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -211,6 +211,9 @@ routines := \
strtoull_l \
swapcontext \
system \
+ uabs \
+ ulabs \
+ ullabs \
wcstombs \
wctomb \
xpg_basename \
@@ -363,6 +366,10 @@ tests := \
tst-swapcontext2 \
tst-thread-quick_exit \
tst-tininess \
+ tst-uabs \
+ tst-uimaxabs \
+ tst-ulabs \
+ tst-ullabs \
tst-unsetenv1 \
tst-width \
tst-width-stdint \
@@ -412,6 +419,11 @@ CFLAGS-tst-abs.c += -fno-builtin
CFLAGS-tst-labs.c += -fno-builtin
CFLAGS-tst-llabs.c += -fno-builtin
+CFLAGS-tst-uabs.c += -fno-builtin
+CFLAGS-tst-uimaxabs.c += -fno-builtin
+CFLAGS-tst-ulabs.c += -fno-builtin
+CFLAGS-tst-ullabs.c += -fno-builtin
+
CFLAGS-tst-stdbit-Wconversion.c += -Wconversion -Werror
CFLAGS-tst-stdc_trailing_zeros.c += -fno-builtin
CFLAGS-tst-stdc_trailing_ones.c += -fno-builtin
diff --git a/stdlib/Versions b/stdlib/Versions
index ea2265bbd4..6d024000f8 100644
--- a/stdlib/Versions
+++ b/stdlib/Versions
@@ -223,6 +223,12 @@ libc {
stdc_bit_ceil_ul;
stdc_bit_ceil_ull;
}
+ GLIBC_2.42 {
+ uabs;
+ uimaxabs;
+ ulabs;
+ ullabs;
+ }
GLIBC_PRIVATE {
# functions which have an additional interface since they are
# are cancelable.
diff --git a/stdlib/inttypes.h b/stdlib/inttypes.h
index 95324f0784..9726abf5b1 100644
--- a/stdlib/inttypes.h
+++ b/stdlib/inttypes.h
@@ -350,6 +350,11 @@ typedef struct
/* Compute absolute value of N. */
extern intmax_t imaxabs (intmax_t __n) __THROW __attribute__ ((__const__));
+
+#if __GLIBC_USE (ISOC2Y)
+extern uintmax_t uimaxabs (intmax_t __n) __THROW __attribute__ ((__const__));
+#endif
+
/* Return the `imaxdiv_t' representation of the value of NUMER over DENOM. */
extern imaxdiv_t imaxdiv (intmax_t __numer, intmax_t __denom)
__THROW __attribute__ ((__const__));
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index 975f5aeb0b..cd4503c761 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -985,6 +985,12 @@ __extension__ extern long long int llabs (long long int __x)
__THROW __attribute__ ((__const__)) __wur;
#endif
+#if __GLIBC_USE (ISOC2Y)
+extern unsigned int uabs (int __x) __THROW __attribute__ ((__const__)) __wur;
+extern unsigned long int ulabs (long int __x) __THROW __attribute__ ((__const__)) __wur;
+__extension__ extern unsigned long long int ullabs (long long int __x)
+ __THROW __attribute__ ((__const__)) __wur;
+#endif
/* Return the `div_t', `ldiv_t' or `lldiv_t' representation
of the value of NUMER over DENOM. */
diff --git a/stdlib/tst-uabs.c b/stdlib/tst-uabs.c
new file mode 100644
index 0000000000..13c9f58dc0
--- /dev/null
+++ b/stdlib/tst-uabs.c
@@ -0,0 +1,45 @@
+/* Basic tests for uabs.
+ Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+
+#include
+
+#define LARGE_PRIME 49999
+
+static int do_test (void)
+{
+ int i;
+
+ TEST_COMPARE (uabs (INT_MAX), INT_MAX);
+ TEST_COMPARE (uabs (INT_MIN), (unsigned int)INT_MAX + 1);
+ TEST_COMPARE (uabs (-1), 1);
+ TEST_COMPARE (uabs (0), 0);
+ TEST_COMPARE (uabs (1), 1);
+
+ for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME)
+ TEST_COMPARE (uabs (i), -i);
+
+ for (i = 0; i < INT_MAX - LARGE_PRIME; i += LARGE_PRIME)
+ TEST_COMPARE (uabs (i), i);
+
+ return EXIT_SUCCESS;
+}
+
+#include
diff --git a/stdlib/tst-uimaxabs.c b/stdlib/tst-uimaxabs.c
new file mode 100644
index 0000000000..4500ec1797
--- /dev/null
+++ b/stdlib/tst-uimaxabs.c
@@ -0,0 +1,51 @@
+/* Basic tests for uimaxabs.
+ Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+#include
+
+#include
+
+#define LARGE_PRIME 49999
+
+static int do_test (void)
+{
+ intmax_t i;
+
+ TEST_COMPARE (uimaxabs (INTMAX_MIN), (uintmax_t)INTMAX_MAX + 1);
+ TEST_COMPARE (uimaxabs (-1), 1);
+ TEST_COMPARE (uimaxabs (0), 0);
+ TEST_COMPARE (uimaxabs (1), 1);
+
+ for (i = INTMAX_MIN + 1; i < INTMAX_MIN + INT_MAX; i += LARGE_PRIME)
+ TEST_COMPARE (uimaxabs (i), -i);
+
+ for (i = INTMAX_MAX - INT_MAX; i < INTMAX_MAX - LARGE_PRIME; i += LARGE_PRIME)
+ TEST_COMPARE (uimaxabs (i), i);
+
+ for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME)
+ TEST_COMPARE (uimaxabs (i), -i);
+
+ for (i = 0; i < INT_MAX; i += LARGE_PRIME)
+ TEST_COMPARE (uimaxabs (i), i);
+
+ return EXIT_SUCCESS;
+}
+
+#include
diff --git a/stdlib/tst-ulabs.c b/stdlib/tst-ulabs.c
new file mode 100644
index 0000000000..3b5323e051
--- /dev/null
+++ b/stdlib/tst-ulabs.c
@@ -0,0 +1,52 @@
+/* Basic tests for ulabs.
+ Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+
+#include
+
+#define LARGE_PRIME 49999
+
+static int do_test (void)
+{
+ long int i;
+
+ TEST_COMPARE (ulabs (LONG_MAX), LONG_MAX);
+ TEST_COMPARE (ulabs (LONG_MIN), (unsigned long int)LONG_MAX + 1);
+ TEST_COMPARE (ulabs (-1), 1);
+ TEST_COMPARE (ulabs (0), 0);
+ TEST_COMPARE (ulabs (1), 1);
+
+ for (i = LONG_MIN + 1; i < LONG_MIN + INT_MAX; i += LARGE_PRIME)
+ TEST_COMPARE (ulabs (i), -i);
+
+ for (i = LONG_MAX - INT_MAX; i < LONG_MAX - LARGE_PRIME;
+ i += LARGE_PRIME)
+ TEST_COMPARE (ulabs (i), i);
+
+ for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME)
+ TEST_COMPARE (ulabs (i), -i);
+
+ for (i = 0; i <= INT_MAX - LARGE_PRIME; i += LARGE_PRIME)
+ TEST_COMPARE (ulabs (i), i);
+
+ return EXIT_SUCCESS;
+}
+
+#include
diff --git a/stdlib/tst-ullabs.c b/stdlib/tst-ullabs.c
new file mode 100644
index 0000000000..ac34ec776e
--- /dev/null
+++ b/stdlib/tst-ullabs.c
@@ -0,0 +1,55 @@
+/* Basic tests for ullabs.
+ Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+
+#include
+
+#define LARGE_PRIME 49999
+
+static int do_test (void)
+{
+ long long int i;
+
+ TEST_COMPARE (ullabs (LLONG_MAX), LLONG_MAX);
+ TEST_COMPARE (ullabs (LLONG_MIN), (unsigned long long int)LLONG_MAX + 1);
+ TEST_COMPARE (ullabs (0x00000000ffffffffL), 0x00000000ffffffffL);
+ TEST_COMPARE (ullabs (0x0000000100000000L), 0x0000000100000000L);
+ TEST_COMPARE (ullabs (0x80000000ffffffffL), 0x7fffffff00000001L);
+ TEST_COMPARE (ullabs (0x8000000100000000L), 0x7fffffff00000000L);
+ TEST_COMPARE (ullabs (-1), 1);
+ TEST_COMPARE (ullabs (0), 0);
+ TEST_COMPARE (ullabs (1), 1);
+
+ for (i = LLONG_MIN + 1; i < LLONG_MIN + INT_MAX; i += LARGE_PRIME)
+ TEST_COMPARE (ullabs (i), -i);
+
+ for (i = LLONG_MAX - INT_MAX; i < LLONG_MAX - LARGE_PRIME; i += LARGE_PRIME)
+ TEST_COMPARE (ullabs (i), i);
+
+ for (i = INT_MIN + 1; i < 0; i += LARGE_PRIME)
+ TEST_COMPARE (ullabs (i), -i);
+
+ for (i = 0; i < INT_MAX; i += LARGE_PRIME)
+ TEST_COMPARE (ullabs (i), i);
+
+ return EXIT_SUCCESS;
+}
+
+#include
diff --git a/stdlib/uabs.c b/stdlib/uabs.c
new file mode 100644
index 0000000000..72aea5fbfb
--- /dev/null
+++ b/stdlib/uabs.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+
+#undef uabs
+
+/* Return the absolute value of I. */
+unsigned int
+uabs (int i)
+{
+ unsigned int j = i;
+ return i < 0 ? -j : i;
+}
diff --git a/stdlib/ulabs.c b/stdlib/ulabs.c
new file mode 100644
index 0000000000..c2ccfb8c32
--- /dev/null
+++ b/stdlib/ulabs.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+
+#undef ulabs
+
+/* Return the absolute value of I. */
+unsigned long int
+ulabs (long int i)
+{
+ unsigned long int j = i;
+ return i < 0 ? -j : i;
+}
+
+#if ULONG_MAX != UINT_MAX
+weak_alias (ulabs, uimaxabs)
+#endif
diff --git a/stdlib/ullabs.c b/stdlib/ullabs.c
new file mode 100644
index 0000000000..11268c29f4
--- /dev/null
+++ b/stdlib/ullabs.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2025 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+
+#undef ullabs
+
+/* Return the absolute value of I. */
+unsigned long long int
+ullabs (long long int i)
+{
+ unsigned long long int j = i;
+ return i < 0 ? -j : i;
+}
+
+#if ULONG_MAX == UINT_MAX
+weak_alias (ullabs, uimaxabs)
+#endif
diff --git a/sysdeps/mach/hurd/i386/libc.abilist b/sysdeps/mach/hurd/i386/libc.abilist
index 0b963dc890..3e183f5c02 100644
--- a/sysdeps/mach/hurd/i386/libc.abilist
+++ b/sysdeps/mach/hurd/i386/libc.abilist
@@ -2614,6 +2614,10 @@ GLIBC_2.42 pthread_rwlockattr_destroy F
GLIBC_2.42 pthread_rwlockattr_getpshared F
GLIBC_2.42 pthread_rwlockattr_init F
GLIBC_2.42 pthread_rwlockattr_setpshared F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/mach/hurd/x86_64/libc.abilist b/sysdeps/mach/hurd/x86_64/libc.abilist
index b9e9349b9d..688ee26f4b 100644
--- a/sysdeps/mach/hurd/x86_64/libc.abilist
+++ b/sysdeps/mach/hurd/x86_64/libc.abilist
@@ -2297,6 +2297,10 @@ GLIBC_2.42 pthread_rwlockattr_destroy F
GLIBC_2.42 pthread_rwlockattr_getpshared F
GLIBC_2.42 pthread_rwlockattr_init F
GLIBC_2.42 pthread_rwlockattr_setpshared F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
HURD_CTHREADS_0.3 __cthread_getspecific F
HURD_CTHREADS_0.3 __cthread_keycreate F
HURD_CTHREADS_0.3 __cthread_setspecific F
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index 41f8f39911..aa6bf483dd 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2753,3 +2753,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 34efc96781..d5df9656a8 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -3100,6 +3100,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index de7c618d28..c46c08da85 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2514,3 +2514,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 96f0314b16..4df150c0f0 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -2806,6 +2806,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index 635468fa13..be294783f6 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -2803,6 +2803,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 490694ddce..f123757134 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2790,3 +2790,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index b1905da767..2dc85b9533 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2827,6 +2827,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index 424ef34a8b..1e38217ec6 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -3010,6 +3010,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
index 420471eb24..927fc21445 100644
--- a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
@@ -2274,3 +2274,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 95a68c7cc1..74da49d9da 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -2786,6 +2786,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index 442e82b6d2..e5d678111f 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2953,6 +2953,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index 20f7712988..4dbd4b6045 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2839,3 +2839,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index f61ed3bf26..c5965bb50c 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2836,3 +2836,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index 381120cc16..10715e0777 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2914,6 +2914,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index 2f51146084..3d229b9853 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2912,6 +2912,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index e6071be2ae..e4cb45275b 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2920,6 +2920,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index f41e209a2b..8a32d2585d 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2822,6 +2822,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
index bbcdb31f09..64dac95b2a 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2264,3 +2264,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index e0ea22b9c6..cc5e93c77c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -3143,6 +3143,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 16b9a771f1..9814997083 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -3188,6 +3188,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 070f6f5a08..7f46295c11 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2897,6 +2897,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index 4378d1d922..f24f81bb5f 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2973,3 +2973,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index 48c6e269a5..9330c7ab76 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2517,3 +2517,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index a8b0c6aca7..ea4555d39e 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2717,3 +2717,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index 6c00b8440b..3e625fa4e9 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -3141,6 +3141,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index f866e5d6f3..46b4a04f65 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2934,6 +2934,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index 4f2db8cb9b..36a94c9210 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2833,6 +2833,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index a73473ee32..f79aba6aab 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2830,6 +2830,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index dc7e27db2a..4a6acc08e0 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -3162,6 +3162,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
index 2ee97f42fb..931109dab1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2798,6 +2798,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index a7ada1ea53..7ab9073e3a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2749,6 +2749,10 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F
GLIBC_2.5 inet6_opt_find F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index f41ab77c1e..e11876f6ab 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2768,3 +2768,7 @@ GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 __inet_pton_chk F
GLIBC_2.42 pthread_gettid_np F
+GLIBC_2.42 uabs F
+GLIBC_2.42 uimaxabs F
+GLIBC_2.42 ulabs F
+GLIBC_2.42 ullabs F