Merge pull request #24640 from alexrp/glibc-2.42

glibc 2.42

lib/libc/glibc/elf/elf.h

@@ -837,12 +837,15 @@ typedef struct
 #define NT_ARM_ZT	0x40d		/* ARM SME ZT registers.  */
 #define NT_ARM_FPMR	0x40e		/* ARM floating point mode register.  */
 #define NT_ARM_POE	0x40f		/* ARM POE registers.  */
+#define NT_ARM_GCS	0x410		/* ARM GCS state.  */
 #define NT_VMCOREDD	0x700		/* Vmcore Device Dump Note.  */
 #define NT_MIPS_DSP	0x800		/* MIPS DSP ASE registers.  */
 #define NT_MIPS_FP_MODE	0x801		/* MIPS floating-point mode.  */
 #define NT_MIPS_MSA	0x802		/* MIPS SIMD registers.  */
 #define NT_RISCV_CSR	0x900		/* RISC-V Control and Status Registers */
 #define NT_RISCV_VECTOR	0x901		/* RISC-V vector registers */
+#define NT_RISCV_TAGGED_ADDR_CTRL	0x902	/* RISC-V tagged
+						   address control */
 #define NT_LOONGARCH_CPUCFG	0xa00	/* LoongArch CPU config registers.  */
 #define NT_LOONGARCH_CSR	0xa01	/* LoongArch control and
 					   status registers.  */
@@ -2906,19 +2909,6 @@ enum
 
 #define R_AARCH64_NONE            0	/* No relocation.  */
 
-/* ILP32 AArch64 relocs.  */
-#define R_AARCH64_P32_ABS32		  1	/* Direct 32 bit.  */
-#define R_AARCH64_P32_COPY		180	/* Copy symbol at runtime.  */
-#define R_AARCH64_P32_GLOB_DAT		181	/* Create GOT entry.  */
-#define R_AARCH64_P32_JUMP_SLOT		182	/* Create PLT entry.  */
-#define R_AARCH64_P32_RELATIVE		183	/* Adjust by program base.  */
-#define R_AARCH64_P32_TLS_DTPMOD	184	/* Module number, 32 bit.  */
-#define R_AARCH64_P32_TLS_DTPREL	185	/* Module-relative offset, 32 bit.  */
-#define R_AARCH64_P32_TLS_TPREL		186	/* TP-relative offset, 32 bit.  */
-#define R_AARCH64_P32_TLSDESC		187	/* TLS Descriptor.  */
-#define R_AARCH64_P32_IRELATIVE		188	/* STT_GNU_IFUNC relocation. */
-
-/* LP64 AArch64 relocs.  */
 #define R_AARCH64_ABS64         257	/* Direct 64 bit. */
 #define R_AARCH64_ABS32         258	/* Direct 32 bit.  */
 #define R_AARCH64_ABS16		259	/* Direct 16-bit.  */
@@ -4091,6 +4081,7 @@ enum
 #define R_RISCV_TLS_DTPREL64	 9
 #define R_RISCV_TLS_TPREL32	10
 #define R_RISCV_TLS_TPREL64	11
+#define R_RISCV_TLSDESC		12
 #define R_RISCV_BRANCH		16
 #define R_RISCV_JAL		17
 #define R_RISCV_CALL		18
@@ -4116,16 +4107,10 @@ enum
 #define R_RISCV_SUB16		38
 #define R_RISCV_SUB32		39
 #define R_RISCV_SUB64		40
-#define R_RISCV_GNU_VTINHERIT	41
+#define R_RISCV_GOT32_PCREL	41
-#define R_RISCV_GNU_VTENTRY	42
 #define R_RISCV_ALIGN		43
 #define R_RISCV_RVC_BRANCH	44
 #define R_RISCV_RVC_JUMP	45
-#define R_RISCV_RVC_LUI		46
-#define R_RISCV_GPREL_I		47
-#define R_RISCV_GPREL_S		48
-#define R_RISCV_TPREL_I		49
-#define R_RISCV_TPREL_S		50
 #define R_RISCV_RELAX		51
 #define R_RISCV_SUB6		52
 #define R_RISCV_SET6		53
@@ -4137,8 +4122,12 @@ enum
 #define R_RISCV_PLT32		59
 #define R_RISCV_SET_ULEB128	60
 #define R_RISCV_SUB_ULEB128	61
+#define R_RISCV_TLSDESC_HI20	62
+#define R_RISCV_TLSDESC_LOAD_LO12 63
+#define R_RISCV_TLSDESC_ADD_LO12 64
+#define R_RISCV_TLSDESC_CALL	65
 
-#define R_RISCV_NUM		62
+#define R_RISCV_NUM		66
 
 /* RISC-V specific values for the st_other field.  */
 #define STO_RISCV_VARIANT_CC	0x80	/* Function uses variant calling
@@ -4147,7 +4136,7 @@ enum
 /* RISC-V specific values for the sh_type field.  */
 #define SHT_RISCV_ATTRIBUTES	(SHT_LOPROC + 3)
 
-/* RISC-V specific values for the p_type field.  */
+/* RISC-V specific values for the p_type field (deprecated).  */
 #define PT_RISCV_ATTRIBUTES	(PT_LOPROC + 3)
 
 /* RISC-V specific values for the d_tag field.  */

lib/libc/glibc/include/elf.h

@@ -15,6 +15,19 @@
 # define ELF_NOTE_NEXT_OFFSET(namesz, descsz, align) \
   ALIGN_UP (ELF_NOTE_DESC_OFFSET ((namesz), (align)) + (descsz), (align))
 
+# ifdef HIDDEN_VAR_NEEDS_DYNAMIC_RELOC
+#  define DL_ADDRESS_WITHOUT_RELOC(expr) (expr)
+# else
+/* Evaluate EXPR without run-time relocation for it.  EXPR should be an
+   array, an address of an object, or a string literal.  */
+#  define DL_ADDRESS_WITHOUT_RELOC(expr)	\
+  ({						\
+     __auto_type _result = (expr);		\
+     asm ("" : "+r" (_result));			\
+     _result;					\
+   })
+# endif
+
 /* Some information which is not meant for the public and therefore not
    in <elf.h>.  */
 # include <dl-dtprocnum.h>

lib/libc/glibc/include/libc-symbols.h

@@ -155,7 +155,7 @@
   extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))) \
     __attribute_copy__ (name);
 
-/* Zig patch.  weak_hidden_alias was removed from glibc v2.36 (v2.37?), Zig
+/* zig patch: weak_hidden_alias was removed from glibc v2.36 (v2.37?), Zig
    needs it for the v2.32 and earlier {f,l,}stat wrappers, so only include
    in this header for 2.32 and earlier. */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 32) || __GLIBC__ < 2
@@ -220,7 +220,7 @@
 #define __make_section_unallocated(section_string)	\
   asm (".section " section_string "\n\t.previous");
 
-/* Tacking on "\n\t#" to the section name makes gcc put it's bogus
+/* Tacking on "\n\t#" to the section name makes gcc put its bogus
    section attributes on what looks like a comment to the assembler.  */
 #ifdef HAVE_SECTION_QUOTES
 # define __sec_comment "\"\n\t#\""
@@ -280,7 +280,7 @@ for linking")
 
 
 /*
-
+
 */
 
 #ifdef HAVE_GNU_RETAIN
@@ -807,7 +807,7 @@ for linking")
 #define libm_ifunc_init()
 #define libm_ifunc(name, expr)				\
   __ifunc (name, name, expr, void, libm_ifunc_init)
-
+
 /* These macros facilitate sharing source files with gnulib.
 
    They are here instead of sys/cdefs.h because they should not be

lib/libc/glibc/include/stdlib.h

@@ -368,6 +368,21 @@ struct abort_msg_s
 extern struct abort_msg_s *__abort_msg;
 libc_hidden_proto (__abort_msg)
 
+enum readonly_error_type
+{
+  readonly_noerror,
+  readonly_area_writable,
+  readonly_procfs_inaccessible,
+  readonly_procfs_open_fail,
+};
+
+extern enum readonly_error_type __readonly_area (const void *ptr,
+						 size_t size)
+     attribute_hidden;
+extern enum readonly_error_type __readonly_area_fallback (const void *ptr,
+							  size_t size)
+     attribute_hidden;
+
 # if IS_IN (rtld)
 extern __typeof (unsetenv) unsetenv attribute_hidden;
 extern __typeof (__strtoul_internal) __strtoul_internal attribute_hidden;

lib/libc/glibc/io/fcntl.h

@@ -168,7 +168,7 @@ typedef __pid_t pid_t;
 #endif
 
 
-/* fcntl was a simple symbol until glibc 2.27 inclusive. glibc 2.28 onwards
+/* zig patch: fcntl was a simple symbol until glibc 2.27 inclusive. glibc 2.28 onwards
  * re-defines it to fcntl64 (via #define) if _FILE_OFFSET_BITS == 64. */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 28) || __GLIBC__ > 2
 /* Do the file control operation described by CMD on FD.
@@ -288,16 +288,17 @@ extern int creat64 (const char *__file, mode_t __mode) __nonnull ((1));
 # define F_TEST  3	/* Test a region for other processes locks.  */
 
 # ifndef __USE_FILE_OFFSET64
-extern int lockf (int __fd, int __cmd, off_t __len);
+extern int lockf (int __fd, int __cmd, off_t __len) __wur;
 # else
 #  ifdef __REDIRECT
-extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len), lockf64);
+extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len),
+                       lockf64) __wur;
 #  else
 #   define lockf lockf64
 #  endif
 # endif
 # ifdef __USE_LARGEFILE64
-extern int lockf64 (int __fd, int __cmd, off64_t __len);
+extern int lockf64 (int __fd, int __cmd, off64_t __len) __wur;
 # endif
 #endif
 

lib/libc/glibc/posix/bits/types.h

@@ -217,7 +217,7 @@ typedef int __sig_atomic_t;
 /* Seconds since the Epoch, visible to user code when time_t is too
    narrow only for consistency with the old way of widening too-narrow
    types.  User code should never use __time64_t.  */
-/* Zig patch: Don't check __LIBC here because it breaks fstatat.c on x86. */
+/* zig patch: Don't check __LIBC here because it breaks fstatat.c on x86. */
 #if __TIMESIZE == 64
 # define __time64_t __time_t
 #elif __TIMESIZE != 64

lib/libc/glibc/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. */

lib/libc/glibc/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h

@@ -21,23 +21,13 @@
 
 #include <bits/endian.h>
 
-#ifdef __ILP32__
+#define __SIZEOF_PTHREAD_ATTR_T		64
-# define __SIZEOF_PTHREAD_ATTR_T        32
+#define __SIZEOF_PTHREAD_MUTEX_T	48
-# define __SIZEOF_PTHREAD_MUTEX_T       32
+#define __SIZEOF_PTHREAD_MUTEXATTR_T	8
-# define __SIZEOF_PTHREAD_MUTEXATTR_T    4
+#define __SIZEOF_PTHREAD_CONDATTR_T	8
-# define __SIZEOF_PTHREAD_CONDATTR_T     4
+#define __SIZEOF_PTHREAD_RWLOCK_T	56
-# define __SIZEOF_PTHREAD_RWLOCK_T      48
+#define __SIZEOF_PTHREAD_BARRIER_T	32
-# define __SIZEOF_PTHREAD_BARRIER_T     20
+#define __SIZEOF_PTHREAD_BARRIERATTR_T  8
-# define __SIZEOF_PTHREAD_BARRIERATTR_T  4
-#else
-# define __SIZEOF_PTHREAD_ATTR_T        64
-# define __SIZEOF_PTHREAD_MUTEX_T       48
-# define __SIZEOF_PTHREAD_MUTEXATTR_T    8
-# define __SIZEOF_PTHREAD_CONDATTR_T     8
-# define __SIZEOF_PTHREAD_RWLOCK_T      56
-# define __SIZEOF_PTHREAD_BARRIER_T     32
-# define __SIZEOF_PTHREAD_BARRIERATTR_T  8
-#endif
 #define __SIZEOF_PTHREAD_COND_T         48
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T	8
 

lib/libc/glibc/sysdeps/aarch64/start-2.33.S

@@ -54,8 +54,8 @@ _start:
 	mov	x5, x0
 
 	/* Load argc and a pointer to argv */
-	ldr	PTR_REG (1), [sp, #0]
+	ldr	x1, [sp, #0]
-	add	x2, sp, #PTR_SIZE
+	add	x2, sp, 8
 
 	/* Setup stack limit in argument register */
 	mov	x6, sp
@@ -63,13 +63,13 @@ _start:
 #ifdef PIC
 # ifdef SHARED
         adrp    x0, :got:main
-	ldr     PTR_REG (0), [x0, #:got_lo12:main]
+	ldr     x0, [x0, #:got_lo12:main]
 
         adrp    x3, :got:__libc_csu_init
-	ldr     PTR_REG (3), [x3, #:got_lo12:__libc_csu_init]
+	ldr     x3, [x3, #:got_lo12:__libc_csu_init]
 
         adrp    x4, :got:__libc_csu_fini
-	ldr     PTR_REG (4), [x4, #:got_lo12:__libc_csu_fini]
+	ldr     x4, [x4, #:got_lo12:__libc_csu_fini]
 # else
 	adrp	x0, __wrap_main
 	add	x0, x0, :lo12:__wrap_main
@@ -80,9 +80,18 @@ _start:
 # endif
 #else
 	/* Set up the other arguments in registers */
-	MOVL (0, main)
+	movz    x0, :abs_g3:main
-	MOVL (3, __libc_csu_init)
+	movk    x0, :abs_g2_nc:main
-	MOVL (4, __libc_csu_fini)
+	movk    x0, :abs_g1_nc:main
+	movk    x0, :abs_g0_nc:main
+	movz    x3, :abs_g3:__libc_csu_init
+	movk    x3, :abs_g2_nc:__libc_csu_init
+	movk    x3, :abs_g1_nc:__libc_csu_init
+	movk    x3, :abs_g0_nc:__libc_csu_init
+	movz    x4, :abs_g3:__libc_csu_fini
+	movk    x4, :abs_g2_nc:__libc_csu_fini
+	movk    x4, :abs_g1_nc:__libc_csu_fini
+	movk    x4, :abs_g0_nc:__libc_csu_fini
 #endif
 
 	/* __libc_start_main (main, argc, argv, init, fini, rtld_fini,

lib/libc/glibc/sysdeps/aarch64/start.S

@@ -70,8 +70,8 @@ ENTRY(_start)
 	mov	x5, x0
 
 	/* Load argc and a pointer to argv */
-	ldr	PTR_REG (1), [sp, #0]
+	ldr	x1, [sp, #0]
-	add	x2, sp, #PTR_SIZE
+	add	x2, sp, 8
 
 	/* Setup stack limit in argument register */
 	mov	x6, sp
@@ -79,14 +79,16 @@ ENTRY(_start)
 #ifdef PIC
 # ifdef SHARED
         adrp    x0, :got:main
-	ldr     PTR_REG (0), [x0, #:got_lo12:main]
+	ldr     x0, [x0, #:got_lo12:main]
 # else
 	adrp	x0, __wrap_main
 	add	x0, x0, :lo12:__wrap_main
 # endif
 #else
-	/* Set up the other arguments in registers */
+	movz    x0, :abs_g3:main
-	MOVL (0, main)
+	movk    x0, :abs_g2_nc:main
+	movk    x0, :abs_g1_nc:main
+	movk    x0, :abs_g0_nc:main
 #endif
 	mov	x3, #0		/* Used to be init.  */
 	mov	x4, #0		/* Used to be fini.  */
@@ -106,7 +108,7 @@ ENTRY(_start)
 	   because crt1.o and rcrt1.o share code and the later must avoid the
 	   use of GOT relocations before __libc_start_main is called.  */
 __wrap_main:
-	BTI_C
+	bti	c
 	b	main
 #endif
 END(_start)

lib/libc/glibc/sysdeps/aarch64/sysdep.h

@@ -21,59 +21,15 @@
 
 #include <sysdeps/generic/sysdep.h>
 
-#ifdef __LP64__
-# define AARCH64_R(NAME)	R_AARCH64_ ## NAME
-# define PTR_REG(n)		x##n
-# define PTR_LOG_SIZE		3
-# define PTR_ARG(n)
-# define SIZE_ARG(n)
-#else
-# define AARCH64_R(NAME)	R_AARCH64_P32_ ## NAME
-# define PTR_REG(n)		w##n
-# define PTR_LOG_SIZE		2
-# define PTR_ARG(n)		mov     w##n, w##n
-# define SIZE_ARG(n)		mov     w##n, w##n
-#endif
-
-#define PTR_SIZE	(1<<PTR_LOG_SIZE)
-
-#ifndef __ASSEMBLER__
-/* Strip pointer authentication code from pointer p.  */
-static inline void *
-strip_pac (void *p)
-{
-  register void *ra asm ("x30") = (p);
-  asm ("hint 7 // xpaclri" : "+r"(ra));
-  return ra;
-}
-
-/* This is needed when glibc is built with -mbranch-protection=pac-ret
-   with a gcc that is affected by PR target/94891.  */
-# if HAVE_AARCH64_PAC_RET
-#  undef RETURN_ADDRESS
-#  define RETURN_ADDRESS(n) strip_pac (__builtin_return_address (n))
-# endif
-#endif
-
 #ifdef	__ASSEMBLER__
 
+/* CFI directive for return address.  */
+#define cfi_negate_ra_state	.cfi_negate_ra_state
+
 /* Syntactic details of assembler.  */
 
 #define ASM_SIZE_DIRECTIVE(name) .size name,.-name
 
-/* Branch Target Identitication support.  */
-#if HAVE_AARCH64_BTI
-# define BTI_C		hint	34
-# define BTI_J		hint	36
-#else
-# define BTI_C		nop
-# define BTI_J		nop
-#endif
-
-/* Return address signing support (pac-ret).  */
-#define PACIASP		hint	25
-#define AUTIASP		hint	29
-
 /* Guarded Control Stack support.  */
 #define CHKFEAT_X16	hint	40
 #define MRS_GCSPR(x)	mrs	x, s3_3_c2_c5_1
@@ -103,11 +59,7 @@ strip_pac (void *p)
 
 /* Add GNU property note with the supported features to all asm code
    where sysdep.h is included.  */
-#if HAVE_AARCH64_BTI && HAVE_AARCH64_PAC_RET
 GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_PAC|FEATURE_1_GCS)
-#elif HAVE_AARCH64_BTI
-GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_GCS)
-#endif
 
 /* Define an entry point visible from C.  */
 #define ENTRY(name)						\
@@ -116,7 +68,7 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_GCS)
   .p2align 6;							\
   C_LABEL(name)							\
   cfi_startproc;						\
-  BTI_C;							\
+  bti	c;							\
   CALL_MCOUNT
 
 /* Define an entry point visible from C.  */
@@ -126,7 +78,7 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_GCS)
   .p2align align;						\
   C_LABEL(name)							\
   cfi_startproc;						\
-  BTI_C;							\
+  bti	c;							\
   CALL_MCOUNT
 
 /* Define an entry point visible from C with a specified alignment and
@@ -143,7 +95,7 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_GCS)
   .endr;							\
   C_LABEL(name)							\
   cfi_startproc;						\
-  BTI_C;							\
+  bti	c;							\
   CALL_MCOUNT
 
 #undef	END
@@ -195,33 +147,6 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI|FEATURE_1_GCS)
 # define L(name)         .L##name
 #endif
 
-/* Load or store to/from a pc-relative EXPR into/from R, using T.
-   Note R and T are register numbers and not register names.  */
-#define LDST_PCREL(OP, R, T, EXPR)			\
-	adrp	x##T, EXPR;				\
-	OP	PTR_REG (R), [x##T, #:lo12:EXPR];	\
-
-/* Load or store to/from a got-relative EXPR into/from R, using T.
-   Note R and T are register numbers and not register names.  */
-#define LDST_GLOBAL(OP, R, T,  EXPR)			\
-	adrp	x##T, :got:EXPR;			\
-	ldr	PTR_REG (T), [x##T, #:got_lo12:EXPR];	\
-	OP	PTR_REG (R), [x##T];
-
-/* Load an immediate into R.
-   Note R is a register number and not a register name.  */
-#ifdef __LP64__
-# define MOVL(R, NAME)					\
-	movz	PTR_REG (R), #:abs_g3:NAME;		\
-	movk	PTR_REG (R), #:abs_g2_nc:NAME;		\
-	movk	PTR_REG (R), #:abs_g1_nc:NAME;		\
-	movk	PTR_REG (R), #:abs_g0_nc:NAME;
-#else
-# define MOVL(R, NAME)					\
-	movz	PTR_REG (R), #:abs_g1:NAME;		\
-	movk	PTR_REG (R), #:abs_g0_nc:NAME;
-#endif
-
 /* Since C identifiers are not normally prefixed with an underscore
    on this system, the asm identifier `syscall_error' intrudes on the
    C name space.  Make sure we use an innocuous name.  */

lib/libc/glibc/sysdeps/generic/sysdep.h

@@ -45,6 +45,7 @@
 # define cfi_adjust_cfa_offset(off)	.cfi_adjust_cfa_offset off
 # define cfi_offset(reg, off)		.cfi_offset reg, off
 # define cfi_rel_offset(reg, off)	.cfi_rel_offset reg, off
+# define cfi_val_offset(reg, off)	.cfi_val_offset reg, off
 # define cfi_register(r1, r2)		.cfi_register r1, r2
 # define cfi_return_column(reg)	.cfi_return_column reg
 # define cfi_restore(reg)		.cfi_restore reg
@@ -74,6 +75,8 @@
    ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
 # define CFI_REL_OFFSET(reg, off) \
    ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
+# define CFI_VAL_OFFSET(reg, off) \
+   ".cfi_val_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
 # define CFI_REGISTER(r1, r2) \
    ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
 # define CFI_RETURN_COLUMN(reg) \

lib/libc/glibc/sysdeps/htl/libc-lockP.h

@@ -75,7 +75,6 @@
 
 extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
 				 const pthread_mutexattr_t *__mutex_attr);
-
 extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
 libc_hidden_proto (__pthread_mutex_destroy)
 
@@ -91,75 +90,47 @@ libc_hidden_proto (__pthread_mutexattr_init)
 extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *__attr);
 libc_hidden_proto (__pthread_mutexattr_destroy)
 
-extern int __pthread_mutexattr_settype (pthread_mutexattr_t *__attr,
-					int __kind);
-
 extern int __pthread_rwlock_init (pthread_rwlock_t *__rwlock,
 				  const pthread_rwlockattr_t *__attr);
+libc_hidden_proto (__pthread_rwlock_init)
 
 extern int __pthread_rwlock_destroy (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_destroy)
 
 extern int __pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_rdlock)
 
 extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_tryrdlock)
 
 extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_wrlock)
 
 extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_trywrlock)
 
 extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
+libc_hidden_proto (__pthread_rwlock_unlock)
 
 extern int __pthread_once (pthread_once_t *__once_control,
 			   void (*__init_routine) (void));
+libc_hidden_proto (__pthread_once);
 
 extern int __pthread_atfork (void (*__prepare) (void),
 			     void (*__parent) (void),
 			     void (*__child) (void));
 
+extern int __pthread_setcancelstate (int state, int *oldstate);
+libc_hidden_proto (__pthread_setcancelstate)
 /* Make the pthread functions weak so that we can elide them from
    single-threaded processes.  */
 #if !defined(__NO_WEAK_PTHREAD_ALIASES) && !IS_IN (libpthread)
 # ifdef weak_extern
-weak_extern (__pthread_mutex_init)
-weak_extern (__pthread_mutex_destroy)
-weak_extern (__pthread_mutex_lock)
-weak_extern (__pthread_mutex_trylock)
-weak_extern (__pthread_mutex_unlock)
-weak_extern (__pthread_mutexattr_settype)
-weak_extern (__pthread_rwlock_init)
-weak_extern (__pthread_rwlock_destroy)
-weak_extern (__pthread_rwlock_rdlock)
-weak_extern (__pthread_rwlock_tryrdlock)
-weak_extern (__pthread_rwlock_wrlock)
-weak_extern (__pthread_rwlock_trywrlock)
-weak_extern (__pthread_rwlock_unlock)
-weak_extern (__pthread_key_create)
-weak_extern (__pthread_setspecific)
-weak_extern (__pthread_getspecific)
-weak_extern (__pthread_once)
 weak_extern (__pthread_initialize)
 weak_extern (__pthread_atfork)
-weak_extern (__pthread_setcancelstate)
 # else
-#  pragma weak __pthread_mutex_init
-#  pragma weak __pthread_mutex_destroy
-#  pragma weak __pthread_mutex_lock
-#  pragma weak __pthread_mutex_trylock
-#  pragma weak __pthread_mutex_unlock
-#  pragma weak __pthread_mutexattr_settype
-#  pragma weak __pthread_rwlock_destroy
-#  pragma weak __pthread_rwlock_rdlock
-#  pragma weak __pthread_rwlock_tryrdlock
-#  pragma weak __pthread_rwlock_wrlock
-#  pragma weak __pthread_rwlock_trywrlock
-#  pragma weak __pthread_rwlock_unlock
-#  pragma weak __pthread_key_create
-#  pragma weak __pthread_setspecific
-#  pragma weak __pthread_getspecific
-#  pragma weak __pthread_once
 #  pragma weak __pthread_initialize
 #  pragma weak __pthread_atfork
-#  pragma weak __pthread_setcancelstate
 # endif
 #endif
 

lib/libc/glibc/sysdeps/mach/sysdep.h

@@ -20,6 +20,11 @@
 /* Get the Mach definitions of ENTRY and kernel_trap.  */
 #include <mach/machine/syscall_sw.h>
 
+/* This macro is defined in Mach system headers, but string functions use it
+   with different definitions depending on whether being compiled for
+   wide-characters or not.  */
+#undef P2ALIGN
+
 /* The Mach definitions assume underscores should be prepended to
    symbol names.  Redefine them to do so only when appropriate.  */
 #undef EXT

lib/libc/glibc/sysdeps/nptl/pthread.h

@@ -1317,6 +1317,11 @@ extern int pthread_getcpuclockid (pthread_t __thread_id,
      __THROW __nonnull ((2));
 #endif
 
+#ifdef __USE_GNU
+/* Return the Linux TID for THREAD_ID.  Returns -1 on failure.  */
+extern pid_t pthread_gettid_np (pthread_t __thread_id);
+#endif
+
 
 /* Install handlers to be called when a new process is created with FORK.
    The PREPARE handler is called in the parent process just before performing

lib/libc/glibc/sysdeps/sparc/sparc32/start.S

@@ -35,6 +35,7 @@
 
 #include <sysdep.h>
 
+#define FRAME_SIZE 104
 
 	.section ".text"
 	.align 4
@@ -48,12 +49,12 @@ _start:
   /* Terminate the stack frame, and reserve space for functions to
      drop their arguments.  */
 	mov	%g0, %fp
-	sub	%sp, 6*4, %sp
+	sub	%sp, FRAME_SIZE, %sp
 
   /* Extract the arguments and environment as encoded on the stack.  The
      argument info starts after one register window (16 words) past the SP.  */
-	ld	[%sp+22*4], %o1
+	ld	[%sp+168], %o1
-	add	%sp, 23*4, %o2
+	add	%sp, 172, %o2
 
   /* Load the addresses of the user entry points.  */
 #ifndef PIC
@@ -73,6 +74,10 @@ _start:
      be NULL.  */
 	mov	%g1, %o5
 
+  /* Provide the highest stack address to update the __libc_stack_end (used
+     to enable executable stacks if required).  */
+	st	%sp, [%sp+23*4]
+
   /* Let libc do the rest of the initialization, and call main.  */
 	call	__libc_start_main
 	 nop

lib/libc/glibc/sysdeps/sparc/sparc64/start.S

@@ -74,6 +74,10 @@ _start:
      be NULL.  */
 	mov     %g1, %o5
 
+  /* Provide the highest stack address to update the __libc_stack_end (used
+     to enable executable stacks if required).  */
+	stx	%sp, [%sp+STACK_BIAS+22*8]
+
   /* Let libc do the rest of the initialization, and call main.  */
 	call    __libc_start_main
 	 nop

lib/libc/glibc/sysdeps/unix/sysv/linux/aarch64/sysdep.h

@@ -152,13 +152,8 @@
 
 #else /* not __ASSEMBLER__ */
 
-# ifdef __LP64__
+# define VDSO_NAME  "LINUX_2.6.39"
-#  define VDSO_NAME  "LINUX_2.6.39"
+# define VDSO_HASH  123718537
-#  define VDSO_HASH  123718537
-# else
-#  define VDSO_NAME  "LINUX_4.9"
-#  define VDSO_HASH  61765625
-# endif
 
 /* List of system calls which are supported as vsyscalls.  */
 # define HAVE_CLOCK_GETRES64_VSYSCALL	"__kernel_clock_getres"

lib/libc/glibc/sysdeps/unix/sysv/linux/kernel-features.h

@@ -54,6 +54,10 @@
    configurations).  */
 #define __ASSUME_SET_ROBUST_LIST	1
 
+/* The termios2 interface was introduced across all architectures except
+   Alpha in kernel 2.6.22. */
+#define __ASSUME_TERMIOS2	1
+
 /* Support for various CLOEXEC and NONBLOCK flags was added in
    2.6.27.  */
 #define __ASSUME_IN_NONBLOCK	1

lib/libc/glibc/sysdeps/unix/sysv/linux/riscv/sysdep.h

@@ -145,11 +145,12 @@
 #  define HAVE_CLOCK_GETRES64_VSYSCALL	"__vdso_clock_getres"
 #  define HAVE_CLOCK_GETTIME64_VSYSCALL	"__vdso_clock_gettime"
 #  define HAVE_GETTIMEOFDAY_VSYSCALL	"__vdso_gettimeofday"
+#  define HAVE_GETRANDOM_VSYSCALL	"__vdso_getrandom"
 # else
 #  define VDSO_NAME	"LINUX_5.4"
 #  define VDSO_HASH	61765876
 
-/* RV32 does not support the gettime VDSO syscalls.  */
+/* RV32 does not support the gettime and getrandom VDSO syscalls.  */
 # endif
 # define HAVE_CLONE3_WRAPPER		1
 

lib/libc/glibc/sysdeps/x86/sysdep.h

@@ -102,6 +102,9 @@
    | (1 << X86_XSTATE_ZMM_ID)		\
    | (1 << X86_XSTATE_APX_F_ID))
 
+/* The maximum supported xstate ID.  */
+# define X86_XSTATE_MAX_ID	X86_XSTATE_APX_F_ID
+
 /* AMX state mask.  */
 # define AMX_STATE_SAVE_MASK		\
   ((1 << X86_XSTATE_TILECFG_ID) | (1 << X86_XSTATE_TILEDATA_ID))
@@ -123,6 +126,9 @@
    | (1 << X86_XSTATE_K_ID)		\
    | (1 << X86_XSTATE_ZMM_H_ID))
 
+/* The maximum supported xstate ID.  */
+# define X86_XSTATE_MAX_ID	X86_XSTATE_ZMM_H_ID
+
 /* States to be included in xsave_state_size.  */
 # define FULL_STATE_SAVE_MASK		STATE_SAVE_MASK
 #endif
@@ -177,6 +183,29 @@
 
 #define atom_text_section .section ".text.atom", "ax"
 
+#ifndef DL_STACK_ALIGNMENT
+/* Due to GCC bug:
+
+   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58066
+
+   __tls_get_addr may be called with 8-byte/4-byte stack alignment.
+   Although this bug has been fixed in GCC 4.9.4, 5.3 and 6, we can't
+   assume that stack will be always aligned at 16 bytes.  */
+# ifdef __x86_64__
+#  define DL_STACK_ALIGNMENT 8
+#  define MINIMUM_ALIGNMENT 16
+# else
+#  define DL_STACK_ALIGNMENT 4
+# endif
+#endif
+
+/* True if _dl_runtime_resolve/_dl_tlsdesc_dynamic should align stack for
+   STATE_SAVE or align stack to MINIMUM_ALIGNMENT bytes before calling
+   _dl_fixup/__tls_get_addr.  */
+#define DL_RUNTIME_RESOLVE_REALIGN_STACK \
+  (STATE_SAVE_ALIGNMENT > DL_STACK_ALIGNMENT \
+   || MINIMUM_ALIGNMENT > DL_STACK_ALIGNMENT)
+
 #endif	/* __ASSEMBLER__ */
 
 #endif	/* _X86_SYSDEP_H */

lib/libc/include/aarch64-linux-gnu/bits/fcntl.h

@@ -25,17 +25,11 @@
 #define __O_NOFOLLOW	0100000
 #define __O_DIRECT	0200000
 
-#ifdef __ILP32__
+#define __O_LARGEFILE	0
-# define __O_LARGEFILE	0400000
-#else
-# define __O_LARGEFILE	0
-#endif
 
-#ifdef __LP64__
+#define F_GETLK64	5
-# define F_GETLK64	5
+#define F_SETLK64	6
-# define F_SETLK64	6
+#define F_SETLKW64	7
-# define F_SETLKW64	7
-#endif
 
 struct flock
   {

lib/libc/include/aarch64-linux-gnu/bits/math-vector.h

@@ -37,6 +37,10 @@
 # define __DECL_SIMD_acosh __DECL_SIMD_aarch64
 # undef __DECL_SIMD_acoshf
 # define __DECL_SIMD_acoshf __DECL_SIMD_aarch64
+# undef __DECL_SIMD_acospi
+# define __DECL_SIMD_acospi __DECL_SIMD_aarch64
+# undef __DECL_SIMD_acospif
+# define __DECL_SIMD_acospif __DECL_SIMD_aarch64
 # undef __DECL_SIMD_asin
 # define __DECL_SIMD_asin __DECL_SIMD_aarch64
 # undef __DECL_SIMD_asinf
@@ -45,6 +49,10 @@
 # define __DECL_SIMD_asinh __DECL_SIMD_aarch64
 # undef __DECL_SIMD_asinhf
 # define __DECL_SIMD_asinhf __DECL_SIMD_aarch64
+# undef __DECL_SIMD_asinpi
+# define __DECL_SIMD_asinpi __DECL_SIMD_aarch64
+# undef __DECL_SIMD_asinpif
+# define __DECL_SIMD_asinpif __DECL_SIMD_aarch64
 # undef __DECL_SIMD_atan
 # define __DECL_SIMD_atan __DECL_SIMD_aarch64
 # undef __DECL_SIMD_atanf
@@ -53,10 +61,18 @@
 # define __DECL_SIMD_atanh __DECL_SIMD_aarch64
 # undef __DECL_SIMD_atanhf
 # define __DECL_SIMD_atanhf __DECL_SIMD_aarch64
+# undef __DECL_SIMD_atanpi
+# define __DECL_SIMD_atanpi __DECL_SIMD_aarch64
+# undef __DECL_SIMD_atanpif
+# define __DECL_SIMD_atanpif __DECL_SIMD_aarch64
 # undef __DECL_SIMD_atan2
 # define __DECL_SIMD_atan2 __DECL_SIMD_aarch64
 # undef __DECL_SIMD_atan2f
 # define __DECL_SIMD_atan2f __DECL_SIMD_aarch64
+# undef __DECL_SIMD_atan2pi
+# define __DECL_SIMD_atan2pi __DECL_SIMD_aarch64
+# undef __DECL_SIMD_atan2pif
+# define __DECL_SIMD_atan2pif __DECL_SIMD_aarch64
 # undef __DECL_SIMD_cbrt
 # define __DECL_SIMD_cbrt __DECL_SIMD_aarch64
 # undef __DECL_SIMD_cbrtf
@@ -176,12 +192,16 @@ typedef __SVBool_t __sv_bool_t;
 #  define __vpcs __attribute__ ((__aarch64_vector_pcs__))
 
 __vpcs __f32x4_t _ZGVnN4vv_atan2f (__f32x4_t, __f32x4_t);
+__vpcs __f32x4_t _ZGVnN4vv_atan2pif (__f32x4_t, __f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_acosf (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_acoshf (__f32x4_t);
+__vpcs __f32x4_t _ZGVnN4v_acospif (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_asinf (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_asinhf (__f32x4_t);
+__vpcs __f32x4_t _ZGVnN4v_asinpif (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_atanf (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_atanhf (__f32x4_t);
+__vpcs __f32x4_t _ZGVnN4v_atanpif (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_cbrtf (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_cosf (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_coshf (__f32x4_t);
@@ -207,12 +227,16 @@ __vpcs __f32x4_t _ZGVnN4v_tanhf (__f32x4_t);
 __vpcs __f32x4_t _ZGVnN4v_tanpif (__f32x4_t);
 
 __vpcs __f64x2_t _ZGVnN2vv_atan2 (__f64x2_t, __f64x2_t);
+__vpcs __f64x2_t _ZGVnN2vv_atan2pi (__f64x2_t, __f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_acos (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_acosh (__f64x2_t);
+__vpcs __f64x2_t _ZGVnN2v_acospi (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_asin (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_asinh (__f64x2_t);
+__vpcs __f64x2_t _ZGVnN2v_asinpi (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_atan (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_atanh (__f64x2_t);
+__vpcs __f64x2_t _ZGVnN2v_atanpi (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_cbrt (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_cos (__f64x2_t);
 __vpcs __f64x2_t _ZGVnN2v_cosh (__f64x2_t);
@@ -243,12 +267,16 @@ __vpcs __f64x2_t _ZGVnN2v_tanpi (__f64x2_t);
 #ifdef __SVE_VEC_MATH_SUPPORTED
 
 __sv_f32_t _ZGVsMxvv_atan2f (__sv_f32_t, __sv_f32_t, __sv_bool_t);
+__sv_f32_t _ZGVsMxvv_atan2pif (__sv_f32_t, __sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_acosf (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_acoshf (__sv_f32_t, __sv_bool_t);
+__sv_f32_t _ZGVsMxv_acospif (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_asinf (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_asinhf (__sv_f32_t, __sv_bool_t);
+__sv_f32_t _ZGVsMxv_asinpif (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_atanf (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_atanhf (__sv_f32_t, __sv_bool_t);
+__sv_f32_t _ZGVsMxv_atanpif (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_cbrtf (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_cosf (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_coshf (__sv_f32_t, __sv_bool_t);
@@ -274,12 +302,16 @@ __sv_f32_t _ZGVsMxv_tanhf (__sv_f32_t, __sv_bool_t);
 __sv_f32_t _ZGVsMxv_tanpif (__sv_f32_t, __sv_bool_t);
 
 __sv_f64_t _ZGVsMxvv_atan2 (__sv_f64_t, __sv_f64_t, __sv_bool_t);
+__sv_f64_t _ZGVsMxvv_atan2pi (__sv_f64_t, __sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_acos (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_acosh (__sv_f64_t, __sv_bool_t);
+__sv_f64_t _ZGVsMxv_acospi (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_asin (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_asinh (__sv_f64_t, __sv_bool_t);
+__sv_f64_t _ZGVsMxv_asinpi (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_atan (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_atanh (__sv_f64_t, __sv_bool_t);
+__sv_f64_t _ZGVsMxv_atanpi (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_cbrt (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_cos (__sv_f64_t, __sv_bool_t);
 __sv_f64_t _ZGVsMxv_cosh (__sv_f64_t, __sv_bool_t);

lib/libc/include/aarch64-linux-gnu/bits/pthreadtypes-arch.h

@@ -21,23 +21,13 @@
 
 #include <bits/endian.h>
 
-#ifdef __ILP32__
+#define __SIZEOF_PTHREAD_ATTR_T		64
-# define __SIZEOF_PTHREAD_ATTR_T        32
+#define __SIZEOF_PTHREAD_MUTEX_T	48
-# define __SIZEOF_PTHREAD_MUTEX_T       32
+#define __SIZEOF_PTHREAD_MUTEXATTR_T	8
-# define __SIZEOF_PTHREAD_MUTEXATTR_T    4
+#define __SIZEOF_PTHREAD_CONDATTR_T	8
-# define __SIZEOF_PTHREAD_CONDATTR_T     4
+#define __SIZEOF_PTHREAD_RWLOCK_T	56
-# define __SIZEOF_PTHREAD_RWLOCK_T      48
+#define __SIZEOF_PTHREAD_BARRIER_T	32
-# define __SIZEOF_PTHREAD_BARRIER_T     20
+#define __SIZEOF_PTHREAD_BARRIERATTR_T  8
-# define __SIZEOF_PTHREAD_BARRIERATTR_T  4
-#else
-# define __SIZEOF_PTHREAD_ATTR_T        64
-# define __SIZEOF_PTHREAD_MUTEX_T       48
-# define __SIZEOF_PTHREAD_MUTEXATTR_T    8
-# define __SIZEOF_PTHREAD_CONDATTR_T     8
-# define __SIZEOF_PTHREAD_RWLOCK_T      56
-# define __SIZEOF_PTHREAD_BARRIER_T     32
-# define __SIZEOF_PTHREAD_BARRIERATTR_T  8
-#endif
 #define __SIZEOF_PTHREAD_COND_T         48
 #define __SIZEOF_PTHREAD_RWLOCKATTR_T	8
 

lib/libc/include/aarch64-linux-gnu/bits/semaphore.h

@@ -20,13 +20,7 @@
 # error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
 #endif
 
-
+#define __SIZEOF_SEM_T	32
-#ifdef __ILP32__
-# define __SIZEOF_SEM_T	16
-#else
-# define __SIZEOF_SEM_T	32
-#endif
-
 
 /* Value returned if `sem_open' failed.  */
 #define SEM_FAILED      ((sem_t *) 0)

lib/libc/include/aarch64-linux-gnu/bits/wordsize.h

@@ -17,12 +17,5 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifdef __LP64__
+#define __WORDSIZE			64
-# define __WORDSIZE			64
-#else
-# define __WORDSIZE			32
-# define __WORDSIZE32_SIZE_ULONG	1
-# define __WORDSIZE32_PTRDIFF_LONG	1
-#endif
-
 #define __WORDSIZE_TIME64_COMPAT32	0

lib/libc/include/generic-glibc/arpa/inet.h

@@ -101,6 +101,11 @@ extern char *inet_nsap_ntoa (int __len, const unsigned char *__cp,
 			     char *__buf) __THROW;
 #endif
 
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+/* Include functions with security checks.  */
+#  include <bits/inet-fortified.h>
+#endif
+
 __END_DECLS
 
 #endif /* arpa/inet.h */

lib/libc/include/generic-glibc/bits/fcntl-linux.h

@@ -379,6 +379,8 @@ struct file_handle
 						identity and may not
 						be usable to
 						open_by_handle_at.  */
+# define AT_HANDLE_MNT_ID_UNIQUE 1 /* Return the 64-bit unique mount
+				      ID.  */
 #endif
 
 __BEGIN_DECLS

lib/libc/include/generic-glibc/bits/inet-fortified-decl.h

@@ -0,0 +1,42 @@
+/* Declarations of checking macros for inet functions.
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_INET_FORTIFIED_DEC_H
+#define _BITS_INET_FORTIFIED_DEC_H 1
+
+#ifndef _ARPA_INET_H
+# error "Never include <bits/inet-fortified-decl.h> directly; use <arpa/inet.h> instead."
+#endif
+
+extern const char *__inet_ntop_chk (int, const void *, char *, socklen_t, size_t);
+
+extern const char *__REDIRECT_FORTIFY_NTH (__inet_ntop_alias,
+					   (int, const void *, char *, socklen_t), inet_ntop);
+extern const char *__REDIRECT_NTH (__inet_ntop_chk_warn,
+				   (int, const void *, char *, socklen_t, size_t), __inet_ntop_chk)
+     __warnattr ("inet_ntop called with bigger length than "
+		 "size of destination buffer");
+
+extern int __inet_pton_chk (int, const char *, void *, size_t);
+
+extern int __REDIRECT_FORTIFY_NTH (__inet_pton_alias,
+				   (int, const char *, void *), inet_pton);
+extern int __REDIRECT_NTH (__inet_pton_chk_warn,
+			   (int, const char *, void *, size_t), __inet_pton_chk)
+     __warnattr ("inet_pton called with a destination buffer size too small");
+#endif /* bits/inet-fortified-decl.h.  */

lib/libc/include/generic-glibc/bits/inet-fortified.h

@@ -0,0 +1,61 @@
+/* Checking macros for inet functions.
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_INET_FORTIFIED_H
+#define _BITS_INET_FORTIFIED_H 1
+
+#ifndef _ARPA_INET_H
+# error "Never include <bits/inet-fortified.h> directly; use <arpa/inet.h> instead."
+#endif
+
+#include <bits/inet-fortified-decl.h>
+
+__fortify_function __attribute_overloadable__ const char *
+__NTH (inet_ntop (int __af,
+	   __fortify_clang_overload_arg (const void *, __restrict, __src),
+	   char *__restrict __dst, socklen_t __dst_size))
+    __fortify_clang_warning_only_if_bos_lt (__dst_size, __dst,
+					    "inet_ntop called with bigger length "
+					    "than size of destination buffer")
+{
+  return __glibc_fortify (inet_ntop, __dst_size, sizeof (char),
+			  __glibc_objsize (__dst),
+			  __af, __src, __dst, __dst_size);
+};
+
+__fortify_function __attribute_overloadable__ int
+__NTH (inet_pton (int __af,
+	   const char *__restrict __src,
+	   __fortify_clang_overload_arg (void *, __restrict, __dst)))
+    __fortify_clang_warning_only_if_bos0_lt
+	(4, __dst, "inet_pton called with destination buffer size less than 4")
+{
+  size_t sz = 0;
+  if (__af == AF_INET)
+    sz = sizeof (struct in_addr);
+  else if (__af == AF_INET6)
+    sz = sizeof (struct in6_addr);
+  else
+    return __inet_pton_alias (__af, __src, __dst);
+
+  return __glibc_fortify (inet_pton, sz, sizeof (char),
+			  __glibc_objsize (__dst),
+			  __af, __src, __dst);
+};
+
+#endif /* bits/inet-fortified.h.  */

lib/libc/include/generic-glibc/bits/ioctl-types.h

@@ -32,17 +32,6 @@ struct winsize
     unsigned short int ws_ypixel;
   };
 
-#define NCC 8
-struct termio
-  {
-    unsigned short int c_iflag;		/* input mode flags */
-    unsigned short int c_oflag;		/* output mode flags */
-    unsigned short int c_cflag;		/* control mode flags */
-    unsigned short int c_lflag;		/* local mode flags */
-    unsigned char c_line;		/* line discipline */
-    unsigned char c_cc[NCC];		/* control characters */
-};
-
 /* modem lines */
 #define TIOCM_LE	0x001
 #define TIOCM_DTR	0x002

lib/libc/include/generic-glibc/bits/ioctls.h

@@ -22,87 +22,4 @@
 /* Use the definitions from the kernel header files.  */
 #include <asm/ioctls.h>
 
-/* Routing table calls.  */
+#include <linux/sockios.h>
-#define SIOCADDRT	0x890B		/* add routing table entry	*/
-#define SIOCDELRT	0x890C		/* delete routing table entry	*/
-#define SIOCRTMSG	0x890D		/* call to routing system	*/
-
-/* Socket configuration controls. */
-#define SIOCGIFNAME	0x8910		/* get iface name		*/
-#define SIOCSIFLINK	0x8911		/* set iface channel		*/
-#define SIOCGIFCONF	0x8912		/* get iface list		*/
-#define SIOCGIFFLAGS	0x8913		/* get flags			*/
-#define SIOCSIFFLAGS	0x8914		/* set flags			*/
-#define SIOCGIFADDR	0x8915		/* get PA address		*/
-#define SIOCSIFADDR	0x8916		/* set PA address		*/
-#define SIOCGIFDSTADDR	0x8917		/* get remote PA address	*/
-#define SIOCSIFDSTADDR	0x8918		/* set remote PA address	*/
-#define SIOCGIFBRDADDR	0x8919		/* get broadcast PA address	*/
-#define SIOCSIFBRDADDR	0x891a		/* set broadcast PA address	*/
-#define SIOCGIFNETMASK	0x891b		/* get network PA mask		*/
-#define SIOCSIFNETMASK	0x891c		/* set network PA mask		*/
-#define SIOCGIFMETRIC	0x891d		/* get metric			*/
-#define SIOCSIFMETRIC	0x891e		/* set metric			*/
-#define SIOCGIFMEM	0x891f		/* get memory address (BSD)	*/
-#define SIOCSIFMEM	0x8920		/* set memory address (BSD)	*/
-#define SIOCGIFMTU	0x8921		/* get MTU size			*/
-#define SIOCSIFMTU	0x8922		/* set MTU size			*/
-#define SIOCSIFNAME	0x8923		/* set interface name		*/
-#define	SIOCSIFHWADDR	0x8924		/* set hardware address 	*/
-#define SIOCGIFENCAP	0x8925		/* get/set encapsulations       */
-#define SIOCSIFENCAP	0x8926
-#define SIOCGIFHWADDR	0x8927		/* Get hardware address		*/
-#define SIOCGIFSLAVE	0x8929		/* Driver slaving support	*/
-#define SIOCSIFSLAVE	0x8930
-#define SIOCADDMULTI	0x8931		/* Multicast address lists	*/
-#define SIOCDELMULTI	0x8932
-#define SIOCGIFINDEX	0x8933		/* name -> if_index mapping	*/
-#define SIOGIFINDEX	SIOCGIFINDEX	/* misprint compatibility :-)	*/
-#define SIOCSIFPFLAGS	0x8934		/* set/get extended flags set	*/
-#define SIOCGIFPFLAGS	0x8935
-#define SIOCDIFADDR	0x8936		/* delete PA address		*/
-#define	SIOCSIFHWBROADCAST	0x8937	/* set hardware broadcast addr	*/
-#define SIOCGIFCOUNT	0x8938		/* get number of devices */
-
-#define SIOCGIFBR	0x8940		/* Bridging support		*/
-#define SIOCSIFBR	0x8941		/* Set bridging options 	*/
-
-#define SIOCGIFTXQLEN	0x8942		/* Get the tx queue length	*/
-#define SIOCSIFTXQLEN	0x8943		/* Set the tx queue length 	*/
-
-
-/* ARP cache control calls. */
-		    /*  0x8950 - 0x8952  * obsolete calls, don't re-use */
-#define SIOCDARP	0x8953		/* delete ARP table entry	*/
-#define SIOCGARP	0x8954		/* get ARP table entry		*/
-#define SIOCSARP	0x8955		/* set ARP table entry		*/
-
-/* RARP cache control calls. */
-#define SIOCDRARP	0x8960		/* delete RARP table entry	*/
-#define SIOCGRARP	0x8961		/* get RARP table entry		*/
-#define SIOCSRARP	0x8962		/* set RARP table entry		*/
-
-/* Driver configuration calls */
-
-#define SIOCGIFMAP	0x8970		/* Get device parameters	*/
-#define SIOCSIFMAP	0x8971		/* Set device parameters	*/
-
-/* DLCI configuration calls */
-
-#define SIOCADDDLCI	0x8980		/* Create new DLCI device	*/
-#define SIOCDELDLCI	0x8981		/* Delete DLCI device		*/
-
-/* Device private ioctl calls.  */
-
-/* These 16 ioctls are available to devices via the do_ioctl() device
-   vector.  Each device should include this file and redefine these
-   names as their own. Because these are device dependent it is a good
-   idea _NOT_ to issue them to random objects and hope.  */
-
-#define SIOCDEVPRIVATE 		0x89F0	/* to 89FF */
-
-/*
- *	These 16 ioctl calls are protocol private
- */
-
-#define SIOCPROTOPRIVATE 0x89E0 /* to 89EF */

lib/libc/include/generic-glibc/bits/libm-simd-decl-stubs.h

@@ -373,4 +373,48 @@
 #define __DECL_SIMD_tanpif32x
 #define __DECL_SIMD_tanpif64x
 #define __DECL_SIMD_tanpif128x
+
+#define __DECL_SIMD_acospi
+#define __DECL_SIMD_acospif
+#define __DECL_SIMD_acospil
+#define __DECL_SIMD_acospif16
+#define __DECL_SIMD_acospif32
+#define __DECL_SIMD_acospif64
+#define __DECL_SIMD_acospif128
+#define __DECL_SIMD_acospif32x
+#define __DECL_SIMD_acospif64x
+#define __DECL_SIMD_acospif128x
+
+#define __DECL_SIMD_asinpi
+#define __DECL_SIMD_asinpif
+#define __DECL_SIMD_asinpil
+#define __DECL_SIMD_asinpif16
+#define __DECL_SIMD_asinpif32
+#define __DECL_SIMD_asinpif64
+#define __DECL_SIMD_asinpif128
+#define __DECL_SIMD_asinpif32x
+#define __DECL_SIMD_asinpif64x
+#define __DECL_SIMD_asinpif128x
+
+#define __DECL_SIMD_atanpi
+#define __DECL_SIMD_atanpif
+#define __DECL_SIMD_atanpil
+#define __DECL_SIMD_atanpif16
+#define __DECL_SIMD_atanpif32
+#define __DECL_SIMD_atanpif64
+#define __DECL_SIMD_atanpif128
+#define __DECL_SIMD_atanpif32x
+#define __DECL_SIMD_atanpif64x
+#define __DECL_SIMD_atanpif128x
+
+#define __DECL_SIMD_atan2pi
+#define __DECL_SIMD_atan2pif
+#define __DECL_SIMD_atan2pil
+#define __DECL_SIMD_atan2pif16
+#define __DECL_SIMD_atan2pif32
+#define __DECL_SIMD_atan2pif64
+#define __DECL_SIMD_atan2pif128
+#define __DECL_SIMD_atan2pif32x
+#define __DECL_SIMD_atan2pif64x
+#define __DECL_SIMD_atan2pif128x
 #endif

lib/libc/include/generic-glibc/bits/mathcalls-macros.h

@@ -34,7 +34,7 @@
 #define __MATHCALLX(function,suffix, args, attrib)	\
   __MATHDECLX (_Mdouble_,function,suffix, args, attrib)
 #define __MATHDECLX(type, function,suffix, args, attrib) \
-  __MATHDECL_1(type, function,suffix, args) __attribute__ (attrib);
+  __MATHDECL_1(type, function,suffix, args) __attribute__ (attrib)
 #define __MATHDECL_1_IMPL(type, function, suffix, args) \
   extern type __MATH_PRECNAME(function,suffix) args __THROW
 #define __MATHDECL_1(type, function, suffix, args) \

lib/libc/include/generic-glibc/bits/mathcalls.h

@@ -68,12 +68,16 @@ __MATHCALL_VEC (tan,, (_Mdouble_ __x));
 #if __GLIBC_USE (IEC_60559_FUNCS_EXT_C23)
 /* Arc cosine of X, divided by pi.  */
 __MATHCALL (acospi,, (_Mdouble_ __x));
+__MATHCALL_VEC (acospi,, (_Mdouble_ __x));
 /* Arc sine of X, divided by pi.  */
 __MATHCALL (asinpi,, (_Mdouble_ __x));
+__MATHCALL_VEC (asinpi,, (_Mdouble_ __x));
 /* Arc tangent of X, divided by pi.  */
 __MATHCALL (atanpi,, (_Mdouble_ __x));
+__MATHCALL_VEC (atanpi,, (_Mdouble_ __x));
 /* Arc tangent of Y/X, divided by pi.  */
 __MATHCALL (atan2pi,, (_Mdouble_ __y, _Mdouble_ __x));
+__MATHCALL_VEC (atan2pi,, (_Mdouble_ __y, _Mdouble_ __x));
 
 /* Cosine of pi * X.  */
 __MATHCALL_VEC (cospi,, (_Mdouble_ __x));
@@ -185,6 +189,23 @@ __MATHCALL_VEC (hypot,, (_Mdouble_ __x, _Mdouble_ __y));
 __MATHCALL_VEC (cbrt,, (_Mdouble_ __x));
 #endif
 
+#if __GLIBC_USE (IEC_60559_FUNCS_EXT_C23)
+/* Return 1+X to the Y power.  */
+__MATHCALL (compoundn,, (_Mdouble_ __x, long long int __y));
+
+/* Return X to the Y power.  */
+__MATHCALL (pown,, (_Mdouble_ __x, long long int __y));
+
+/* Return X to the Y power.  */
+__MATHCALL (powr,, (_Mdouble_ __x, _Mdouble_ __y));
+
+/* Return the Yth root of X.  */
+__MATHCALL (rootn,, (_Mdouble_ __x, long long int __y));
+
+/* Return the reciprocal of the square root of X.  */
+__MATHCALL (rsqrt,, (_Mdouble_ __x));
+#endif
+
 
 /* Nearest integer, absolute value, and remainder functions.  */
 

lib/libc/include/generic-glibc/bits/mman-linux.h

@@ -113,6 +113,8 @@
 				    locked pages too.  */
 # define MADV_COLLAPSE    25	/* Synchronous hugepage collapse.  */
 # define MADV_HWPOISON	  100	/* Poison a page for testing.  */
+# define MADV_GUARD_INSTALL 102 /* Fatal signal on access to range */
+# define MADV_GUARD_REMOVE 103  /* Unguard range */
 #endif
 
 /* The POSIX people had to invent similar names for the same things.  */

lib/libc/include/generic-glibc/bits/mman-shared.h

@@ -43,10 +43,9 @@
 # endif
 
 /* Access restrictions for pkey_alloc.  */
-# ifndef PKEY_DISABLE_ACCESS
+# define PKEY_UNRESTRICTED 0x0
-#  define PKEY_DISABLE_ACCESS 0x1
+# define PKEY_DISABLE_ACCESS 0x1
-#  define PKEY_DISABLE_WRITE 0x2
+# define PKEY_DISABLE_WRITE 0x2
-# endif
 
 __BEGIN_DECLS
 

lib/libc/include/generic-glibc/bits/sched.h

@@ -152,7 +152,7 @@ int sched_setattr (pid_t tid, struct sched_attr *attr, unsigned int flags)
    store it in *ATTR.  */
 int sched_getattr (pid_t tid, struct sched_attr *attr, unsigned int size,
 		   unsigned int flags)
-  __THROW __nonnull ((2)) __attr_access ((__write_only__, 2, 3));
+  __THROW __nonnull ((2));
 
 #endif
 

lib/libc/include/generic-glibc/bits/string_fortified.h

@@ -151,7 +151,7 @@ __NTH (strncat (__fortify_clang_overload_arg (char *, __restrict, __dest),
 }
 
 /*
- * strlcpy and strlcat introduced in glibc 2.38
+ * zig patch: strlcpy and strlcat introduced in glibc 2.38
  * https://sourceware.org/git/?p=glibc.git;a=commit;h=2e0bbbfbf95fc9e22692e93658a6fbdd2d4554da
  */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 38) || __GLIBC__ > 2

lib/libc/include/generic-glibc/bits/syscall.h

@@ -1,11 +1,11 @@
 /* Generated at libc build time from syscall list.  */
-/* The system call list corresponds to kernel 6.12.  */
+/* The system call list corresponds to kernel 6.15.  */
 
 #ifndef _SYSCALL_H
 # error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."
 #endif
 
-#define __GLIBC_LINUX_VERSION_CODE 396288
+#define __GLIBC_LINUX_VERSION_CODE 397056
 
 #ifdef __NR_FAST_atomic_update
 # define SYS_FAST_atomic_update __NR_FAST_atomic_update
@@ -703,6 +703,10 @@
 # define SYS_getxattr __NR_getxattr
 #endif
 
+#ifdef __NR_getxattrat
+# define SYS_getxattrat __NR_getxattrat
+#endif
+
 #ifdef __NR_getxgid
 # define SYS_getxgid __NR_getxgid
 #endif
@@ -875,6 +879,10 @@
 # define SYS_listxattr __NR_listxattr
 #endif
 
+#ifdef __NR_listxattrat
+# define SYS_listxattrat __NR_listxattrat
+#endif
+
 #ifdef __NR_llistxattr
 # define SYS_llistxattr __NR_llistxattr
 #endif
@@ -1167,6 +1175,10 @@
 # define SYS_open_tree __NR_open_tree
 #endif
 
+#ifdef __NR_open_tree_attr
+# define SYS_open_tree_attr __NR_open_tree_attr
+#endif
+
 #ifdef __NR_openat
 # define SYS_openat __NR_openat
 #endif
@@ -1839,6 +1851,10 @@
 # define SYS_removexattr __NR_removexattr
 #endif
 
+#ifdef __NR_removexattrat
+# define SYS_removexattrat __NR_removexattrat
+#endif
+
 #ifdef __NR_rename
 # define SYS_rename __NR_rename
 #endif
@@ -2199,6 +2215,10 @@
 # define SYS_setxattr __NR_setxattr
 #endif
 
+#ifdef __NR_setxattrat
+# define SYS_setxattrat __NR_setxattrat
+#endif
+
 #ifdef __NR_sgetmask
 # define SYS_sgetmask __NR_sgetmask
 #endif

lib/libc/include/generic-glibc/bits/termios-baud.h

@@ -1,4 +1,4 @@
-/* termios baud rate selection definitions.  Linux/generic version.
+/* termios baud rate selection definitions. Universal version for sane speed_t.
    Copyright (C) 2019-2025 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -20,29 +20,56 @@
 # error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
 #endif
 
-#ifdef __USE_MISC
+/* POSIX required baud rates */
-# define CBAUD	 000000010017 /* Baud speed mask (not in POSIX).  */
+#define B0		     0U		/* Hang up or ispeed == ospeed */
-# define CBAUDEX 000000010000 /* Extra baud speed mask, included in CBAUD.
+#define B50		    50U
-				 (not in POSIX).  */
+#define B75		    75U
-# define CIBAUD	 002003600000 /* Input baud rate (not used).  */
+#define B110		   110U
-# define CMSPAR  010000000000 /* Mark or space (stick) parity.  */
+#define B134		   134U		/* Really 134.5 baud by POSIX spec */
-# define CRTSCTS 020000000000 /* Flow control.  */
+#define B150		   150U
+#define B200		   200U
+#define B300		   300U
+#define B600		   600U
+#define B1200		  1200U
+#define B1800		  1800U
+#define B2400		  2400U
+#define B4800		  4800U
+#define B9600		  9600U
+#define	B19200		 19200U
+#define	B38400		 38400U
+#ifdef	__USE_MISC
+# define EXTA		 B19200
+# define EXTB		 B38400
 #endif
 
-/* Extra output baud rates (not in POSIX).  */
+/* Other baud rates, "nonstandard" but known to be used */
-#define  B57600    0010001
+#define B7200		  7200U
-#define  B115200   0010002
+#define B14400		 14400U
-#define  B230400   0010003
+#define B28800		 28800U
-#define  B460800   0010004
+#define B33600		 33600U
-#define  B500000   0010005
+#define B57600		 57600U
-#define  B576000   0010006
+#define B76800		 76800U
-#define  B921600   0010007
+#define B115200		115200U
-#define  B1000000  0010010
+#define B153600		153600U
-#define  B1152000  0010011
+#define B230400		230400U
-#define  B1500000  0010012
+#define B307200		307200U
-#define  B2000000  0010013
+#define B460800		460800U
-#define  B2500000  0010014
+#define B500000		500000U
-#define  B3000000  0010015
+#define B576000		576000U
-#define  B3500000  0010016
+#define B614400		614400U
-#define  B4000000  0010017
+#define B921600		921600U
-#define __MAX_BAUD B4000000
+#define B1000000       1000000U
+#define B1152000       1152000U
+#define B1500000       1500000U
+#define B2000000       2000000U
+#define B2500000       2500000U
+#define B3000000       3000000U
+#define B3500000       3500000U
+#define B4000000       4000000U
+#define B5000000       5000000U
+#define B10000000     10000000U
+
+#ifdef __USE_GNU
+#define SPEED_MAX  4294967295U	/* maximum valid speed_t value */
+#endif
+#define __MAX_BAUD 4294967295U	/* legacy alias for SPEED_MAX */

lib/libc/include/generic-glibc/bits/termios-c_cflag.h

@@ -34,5 +34,7 @@
 #define CLOCAL	0004000
 
 #ifdef __USE_MISC
-# define ADDRB 04000000000
+# define ADDRB    04000000000
+# define CMSPAR  010000000000 /* Mark or space (stick) parity.  */
+# define CRTSCTS 020000000000 /* Flow control.  */
 #endif

lib/libc/include/generic-glibc/bits/termios-cbaud.h

@@ -0,0 +1,47 @@
+/* termios baud rate selection definitions.  Linux/generic version.
+   Copyright (C) 2019-2025 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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _TERMIOS_H
+# error "Never include <bits/termios-cbaud.h> directly; use <termios.h> instead."
+#endif
+
+#ifdef __USE_MISC
+# define CBAUD	 000000010017 /* Baud speed mask (not in POSIX).  */
+# define CBAUDEX 000000010000 /* Extra baud speed mask, included in CBAUD.
+				 (not in POSIX).  */
+# define CIBAUD	 002003600000 /* Input baud rate.  */
+# define IBSHIFT 16
+#endif
+
+/* Extra output baud rates (not in POSIX).  */
+#define  __BOTHER    0010000
+#define  __B57600    0010001
+#define  __B115200   0010002
+#define  __B230400   0010003
+#define  __B460800   0010004
+#define  __B500000   0010005
+#define  __B576000   0010006
+#define  __B921600   0010007
+#define  __B1000000  0010010
+#define  __B1152000  0010011
+#define  __B1500000  0010012
+#define  __B2000000  0010013
+#define  __B2500000  0010014
+#define  __B3000000  0010015
+#define  __B3500000  0010016
+#define  __B4000000  0010017

lib/libc/include/generic-glibc/bits/termios-struct.h

@@ -29,8 +29,15 @@ struct termios
     tcflag_t c_lflag;		/* local mode flags */
     cc_t c_line;			/* line discipline */
     cc_t c_cc[NCCS];		/* control characters */
-    speed_t c_ispeed;		/* input speed */
+    /* Input and output baud rates.  */
-    speed_t c_ospeed;		/* output speed */
+    __extension__ union {
+      speed_t __ispeed;
+      speed_t c_ispeed;
+    };
 #define _HAVE_STRUCT_TERMIOS_C_ISPEED 1
+    __extension__ union {
+      speed_t __ospeed;
+      speed_t c_ospeed;
+    };
 #define _HAVE_STRUCT_TERMIOS_C_OSPEED 1
   };

lib/libc/include/generic-glibc/bits/termios.h

@@ -24,35 +24,41 @@ typedef unsigned char	cc_t;
 typedef unsigned int	speed_t;
 typedef unsigned int	tcflag_t;
 
-#include <bits/termios-struct.h>
+#ifdef _TERMIOS_H
+# include <bits/termios-struct.h>
+#endif
+
 #include <bits/termios-c_cc.h>
 #include <bits/termios-c_iflag.h>
 #include <bits/termios-c_oflag.h>
 
 /* c_cflag bit meaning */
-#define  B0	0000000		/* hang up */
-#define  B50	0000001
-#define  B75	0000002
-#define  B110	0000003
-#define  B134	0000004
-#define  B150	0000005
-#define  B200	0000006
-#define  B300	0000007
-#define  B600	0000010
-#define  B1200	0000011
-#define  B1800	0000012
-#define  B2400	0000013
-#define  B4800	0000014
-#define  B9600	0000015
-#define  B19200	0000016
-#define  B38400	0000017
-#ifdef __USE_MISC
-# define EXTA B19200
-# define EXTB B38400
-#endif
-#include <bits/termios-baud.h>
-
 #include <bits/termios-c_cflag.h>
+
+#ifdef __USE_MISC
+#define __B0	 0000000	/* hang up */
+#define __B50	 0000001
+#define __B75	 0000002
+#define __B110	 0000003
+#define __B134	 0000004
+#define __B150	 0000005
+#define __B200	 0000006
+#define __B300	 0000007
+#define __B600	 0000010
+#define __B1200	 0000011
+#define __B1800	 0000012
+#define __B2400	 0000013
+#define __B4800	 0000014
+#define __B9600  0000015
+#define __B19200 0000016
+#define __B38400 0000017
+#include <bits/termios-cbaud.h>
+
+# define __EXTA	 __B19200
+# define __EXTB	 __B38400
+# define BOTHER  __BOTHER
+#endif
+
 #include <bits/termios-c_lflag.h>
 
 #ifdef __USE_MISC
@@ -73,4 +79,6 @@ typedef unsigned int	tcflag_t;
 
 #include <bits/termios-tcflow.h>
 
-#include <bits/termios-misc.h>
+#include <bits/termios-misc.h>
+
+#include <bits/termios-baud.h>

lib/libc/include/generic-glibc/bits/types/struct_FILE.h

@@ -32,6 +32,7 @@
 #endif
 
 #include <bits/types.h>
+#include <bits/wordsize.h>
 
 struct _IO_FILE;
 struct _IO_marker;
@@ -97,8 +98,15 @@ struct _IO_FILE_complete
   void *_freeres_buf;
   struct _IO_FILE **_prevchain;
   int _mode;
+#if __WORDSIZE == 64
+  int _unused3;
+#endif
+  __uint64_t _total_written;
+#if __WORDSIZE == 32
+  int _unused3;
+#endif
   /* Make sure we don't get into trouble again.  */
-  char _unused2[15 * sizeof (int) - 5 * sizeof (void *)];
+  char _unused2[12 * sizeof (int) - 5 * sizeof (void *)];
 };
 
 /* These macros are used by bits/stdio.h and internal headers.  */

lib/libc/include/generic-glibc/dlfcn.h

@@ -217,15 +217,21 @@ struct dl_find_object
   int dlfo_eh_count;		/* Number of exception handling entries.  */
   unsigned int __dlfo_eh_count_pad;
 # endif
-  __extension__ unsigned long long int __dflo_reserved[7];
+  void *dlfo_sframe;		/* SFrame stack trace data of the object.  */
+#if __WORDSIZE == 32
+  unsigned int __dlfo_sframe_pad;
+#endif
+  __extension__ unsigned long long int __dlfo_reserved[6];
 };
 
 /* If ADDRESS is found in an object, fill in *RESULT and return 0.
    Otherwise, return -1.  */
 int _dl_find_object (void *__address, struct dl_find_object *__result) __THROW;
 
-#endif /* __USE_GNU */
+/* SFrame stack trace data is valid.  */
+#define DLFO_FLAG_SFRAME      (1ULL << 0)
 
+#endif /* __USE_GNU */
 
 __END_DECLS
 

lib/libc/include/generic-glibc/elf.h

@@ -837,12 +837,15 @@ typedef struct
 #define NT_ARM_ZT	0x40d		/* ARM SME ZT registers.  */
 #define NT_ARM_FPMR	0x40e		/* ARM floating point mode register.  */
 #define NT_ARM_POE	0x40f		/* ARM POE registers.  */
+#define NT_ARM_GCS	0x410		/* ARM GCS state.  */
 #define NT_VMCOREDD	0x700		/* Vmcore Device Dump Note.  */
 #define NT_MIPS_DSP	0x800		/* MIPS DSP ASE registers.  */
 #define NT_MIPS_FP_MODE	0x801		/* MIPS floating-point mode.  */
 #define NT_MIPS_MSA	0x802		/* MIPS SIMD registers.  */
 #define NT_RISCV_CSR	0x900		/* RISC-V Control and Status Registers */
 #define NT_RISCV_VECTOR	0x901		/* RISC-V vector registers */
+#define NT_RISCV_TAGGED_ADDR_CTRL	0x902	/* RISC-V tagged
+						   address control */
 #define NT_LOONGARCH_CPUCFG	0xa00	/* LoongArch CPU config registers.  */
 #define NT_LOONGARCH_CSR	0xa01	/* LoongArch control and
 					   status registers.  */
@@ -2906,19 +2909,6 @@ enum
 
 #define R_AARCH64_NONE            0	/* No relocation.  */
 
-/* ILP32 AArch64 relocs.  */
-#define R_AARCH64_P32_ABS32		  1	/* Direct 32 bit.  */
-#define R_AARCH64_P32_COPY		180	/* Copy symbol at runtime.  */
-#define R_AARCH64_P32_GLOB_DAT		181	/* Create GOT entry.  */
-#define R_AARCH64_P32_JUMP_SLOT		182	/* Create PLT entry.  */
-#define R_AARCH64_P32_RELATIVE		183	/* Adjust by program base.  */
-#define R_AARCH64_P32_TLS_DTPMOD	184	/* Module number, 32 bit.  */
-#define R_AARCH64_P32_TLS_DTPREL	185	/* Module-relative offset, 32 bit.  */
-#define R_AARCH64_P32_TLS_TPREL		186	/* TP-relative offset, 32 bit.  */
-#define R_AARCH64_P32_TLSDESC		187	/* TLS Descriptor.  */
-#define R_AARCH64_P32_IRELATIVE		188	/* STT_GNU_IFUNC relocation. */
-
-/* LP64 AArch64 relocs.  */
 #define R_AARCH64_ABS64         257	/* Direct 64 bit. */
 #define R_AARCH64_ABS32         258	/* Direct 32 bit.  */
 #define R_AARCH64_ABS16		259	/* Direct 16-bit.  */
@@ -4091,6 +4081,7 @@ enum
 #define R_RISCV_TLS_DTPREL64	 9
 #define R_RISCV_TLS_TPREL32	10
 #define R_RISCV_TLS_TPREL64	11
+#define R_RISCV_TLSDESC		12
 #define R_RISCV_BRANCH		16
 #define R_RISCV_JAL		17
 #define R_RISCV_CALL		18
@@ -4116,16 +4107,10 @@ enum
 #define R_RISCV_SUB16		38
 #define R_RISCV_SUB32		39
 #define R_RISCV_SUB64		40
-#define R_RISCV_GNU_VTINHERIT	41
+#define R_RISCV_GOT32_PCREL	41
-#define R_RISCV_GNU_VTENTRY	42
 #define R_RISCV_ALIGN		43
 #define R_RISCV_RVC_BRANCH	44
 #define R_RISCV_RVC_JUMP	45
-#define R_RISCV_RVC_LUI		46
-#define R_RISCV_GPREL_I		47
-#define R_RISCV_GPREL_S		48
-#define R_RISCV_TPREL_I		49
-#define R_RISCV_TPREL_S		50
 #define R_RISCV_RELAX		51
 #define R_RISCV_SUB6		52
 #define R_RISCV_SET6		53
@@ -4137,8 +4122,12 @@ enum
 #define R_RISCV_PLT32		59
 #define R_RISCV_SET_ULEB128	60
 #define R_RISCV_SUB_ULEB128	61
+#define R_RISCV_TLSDESC_HI20	62
+#define R_RISCV_TLSDESC_LOAD_LO12 63
+#define R_RISCV_TLSDESC_ADD_LO12 64
+#define R_RISCV_TLSDESC_CALL	65
 
-#define R_RISCV_NUM		62
+#define R_RISCV_NUM		66
 
 /* RISC-V specific values for the st_other field.  */
 #define STO_RISCV_VARIANT_CC	0x80	/* Function uses variant calling
@@ -4147,7 +4136,7 @@ enum
 /* RISC-V specific values for the sh_type field.  */
 #define SHT_RISCV_ATTRIBUTES	(SHT_LOPROC + 3)
 
-/* RISC-V specific values for the p_type field.  */
+/* RISC-V specific values for the p_type field (deprecated).  */
 #define PT_RISCV_ATTRIBUTES	(PT_LOPROC + 3)
 
 /* RISC-V specific values for the d_tag field.  */

lib/libc/include/generic-glibc/fcntl.h

@@ -168,7 +168,7 @@ typedef __pid_t pid_t;
 #endif
 
 
-/* fcntl was a simple symbol until glibc 2.27 inclusive.
+/* zig patch: fcntl was a simple symbol until glibc 2.27 inclusive.
  * glibc 2.28 onwards converted it to a macro when compiled with
  * USE_LARGEFILE64. */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 28) || __GLIBC__ > 2
@@ -289,16 +289,17 @@ extern int creat64 (const char *__file, mode_t __mode) __nonnull ((1));
 # define F_TEST  3	/* Test a region for other processes locks.  */
 
 # ifndef __USE_FILE_OFFSET64
-extern int lockf (int __fd, int __cmd, off_t __len);
+extern int lockf (int __fd, int __cmd, off_t __len) __wur;
 # else
 #  ifdef __REDIRECT
-extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len), lockf64);
+extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len),
+                       lockf64) __wur;
 #  else
 #   define lockf lockf64
 #  endif
 # endif
 # ifdef __USE_LARGEFILE64
-extern int lockf64 (int __fd, int __cmd, off64_t __len);
+extern int lockf64 (int __fd, int __cmd, off64_t __len) __wur;
 # endif
 #endif
 
@@ -351,4 +352,4 @@ extern int posix_fallocate64 (int __fd, off64_t __offset, off64_t __len);
 
 __END_DECLS
 
-#endif /* fcntl.h  */
+#endif /* fcntl.h  */

lib/libc/include/generic-glibc/features.h

@@ -491,7 +491,7 @@
    or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
    old extension.  */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7)
-/* support for ISOC99 was added in glibc-2.7 */
+/* zig patch: support for ISOC99 was added in glibc-2.7 */
 # define __GLIBC_USE_DEPRECATED_SCANF 1
 #elif (defined __USE_GNU							\
      && (defined __cplusplus						\
@@ -503,7 +503,7 @@
 #endif
 
 
-/* support for ISO C2X strtol was added in 2.38
+/* zig patch: support for ISO C2X strtol was added in 2.38
  * glibc commit 64924422a99690d147a166b4de3103f3bf3eaf6c
  */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 38) || __GLIBC__ > 2
@@ -564,4 +564,4 @@
 #include <gnu/stubs.h>
 
 
-#endif	/* features.h  */
+#endif	/* features.h  */

lib/libc/include/generic-glibc/glob.h

@@ -195,7 +195,8 @@ extern void globfree64 (glob64_t *__pglob) __THROW;
 
    This function is not part of the interface specified by POSIX.2
    but several programs want to use it.  */
-extern int glob_pattern_p (const char *__pattern, int __quote) __THROW;
+extern int glob_pattern_p (const char *__pattern, int __quote) __THROW
+	__nonnull ((1));
 #endif
 
 __END_DECLS

lib/libc/include/generic-glibc/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__));

lib/libc/include/generic-glibc/malloc.h

@@ -52,7 +52,7 @@ extern void *realloc (void *__ptr, size_t __size)
 __THROW __attribute_warn_unused_result__ __attribute_alloc_size__ ((2));
 
 /*
- * reallocarray introduced in glibc 2.26
+ * zig patch: reallocarray introduced in glibc 2.26
  * https://sourceware.org/git/?p=glibc.git;a=commit;h=2e0bbbfbf95fc9e22692e93658a6fbdd2d4554da
  */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 26) || __GLIBC__ > 2
@@ -164,4 +164,4 @@ extern void malloc_stats (void) __THROW;
 extern int malloc_info (int __options, FILE *__fp) __THROW;
 
 __END_DECLS
-#endif /* malloc.h */
+#endif /* malloc.h */

lib/libc/include/generic-glibc/netinet/tcp.h

@@ -212,6 +212,9 @@ enum
 # define TCPI_OPT_ECN		8  /* ECN was negotiated at TCP session init */
 # define TCPI_OPT_ECN_SEEN	16 /* we received at least one packet with ECT */
 # define TCPI_OPT_SYN_DATA	32 /* SYN-ACK acked data in SYN sent or rcvd */
+# define TCPI_OPT_USEC_TS	64 /* usec timestamps */
+# define TCPI_OPT_TFO_CHILD	128 /* child from a Fast Open option on SYN */
+
 
 /* Values for tcpi_state.  */
 enum tcp_ca_state

lib/libc/include/generic-glibc/pthread.h

@@ -1317,6 +1317,11 @@ extern int pthread_getcpuclockid (pthread_t __thread_id,
      __THROW __nonnull ((2));
 #endif
 
+#ifdef __USE_GNU
+/* Return the Linux TID for THREAD_ID.  Returns -1 on failure.  */
+extern pid_t pthread_gettid_np (pthread_t __thread_id);
+#endif
+
 
 /* Install handlers to be called when a new process is created with FORK.
    The PREPARE handler is called in the parent process just before performing

lib/libc/include/generic-glibc/resolv.h

@@ -171,7 +171,7 @@ __END_DECLS
 #define res_init		__res_init
 #define res_isourserver		__res_isourserver
 
-/* In glibc 2.33 and earlier res_search, res_nsearch, res_query, res_nquery,
+/* zig patch: In glibc 2.33 and earlier res_search, res_nsearch, res_query, res_nquery,
  * res_querydomain, res_nquerydomain, dn_skipname, dn_comp, dn_expand were
  * #define'd to __res_search, __res_nsearch, etc. glibc 2.34 onwards removes
  * the macros and exposes the symbols directly. New glibc exposes compat
@@ -336,4 +336,4 @@ void		res_nclose (res_state) __THROW;
 
 __END_DECLS
 
-#endif /* !_RESOLV_H_ */
+#endif /* !_RESOLV_H_ */

lib/libc/include/generic-glibc/stdio.h

@@ -168,8 +168,11 @@ extern int renameat (int __oldfd, const char *__old, int __newfd,
 #ifdef __USE_GNU
 /* Flags for renameat2.  */
 # define RENAME_NOREPLACE (1 << 0)
+# define AT_RENAME_NOREPLACE RENAME_NOREPLACE
 # define RENAME_EXCHANGE (1 << 1)
+# define AT_RENAME_EXCHANGE RENAME_EXCHANGE
 # define RENAME_WHITEOUT (1 << 2)
+# define AT_RENAME_WHITEOUT RENAME_WHITEOUT
 
 /* Rename file OLD relative to OLDFD to NEW relative to NEWFD, with
    additional flags.  */
@@ -604,9 +607,6 @@ extern int fgetc_unlocked (FILE *__stream) __nonnull ((1));
 /* Write a character to STREAM.
 
    These functions are possible cancellation points and therefore not
-   marked with __THROW.
-
-   These functions is a possible cancellation point and therefore not
    marked with __THROW.  */
 extern int fputc (int __c, FILE *__stream) __nonnull ((2));
 extern int putc (int __c, FILE *__stream) __nonnull ((2));

lib/libc/include/generic-glibc/stdio_ext.h

@@ -43,43 +43,43 @@ __BEGIN_DECLS
 
 /* Return the size of the buffer of FP in bytes currently in use by
    the given stream.  */
-extern size_t __fbufsize (FILE *__fp) __THROW;
+extern size_t __fbufsize (FILE *__fp) __THROW __nonnull ((1));
 
 
 /* Return non-zero value iff the stream FP is opened readonly, or if the
    last operation on the stream was a read operation.  */
-extern int __freading (FILE *__fp) __THROW;
+extern int __freading (FILE *__fp) __THROW __nonnull ((1));
 
 /* Return non-zero value iff the stream FP is opened write-only or
    append-only, or if the last operation on the stream was a write
    operation.  */
-extern int __fwriting (FILE *__fp) __THROW;
+extern int __fwriting (FILE *__fp) __THROW __nonnull ((1));
 
 
 /* Return non-zero value iff stream FP is not opened write-only or
    append-only.  */
-extern int __freadable (FILE *__fp) __THROW;
+extern int __freadable (FILE *__fp) __THROW __nonnull ((1));
 
 /* Return non-zero value iff stream FP is not opened read-only.  */
-extern int __fwritable (FILE *__fp) __THROW;
+extern int __fwritable (FILE *__fp) __THROW __nonnull ((1));
 
 
 /* Return non-zero value iff the stream FP is line-buffered.  */
-extern int __flbf (FILE *__fp) __THROW;
+extern int __flbf (FILE *__fp) __THROW __nonnull ((1));
 
 
 /* Discard all pending buffered I/O on the stream FP.  */
-extern void __fpurge (FILE *__fp) __THROW;
+extern void __fpurge (FILE *__fp) __THROW __nonnull ((1));
 
 /* Return amount of output in bytes pending on a stream FP.  */
-extern size_t __fpending (FILE *__fp) __THROW;
+extern size_t __fpending (FILE *__fp) __THROW __nonnull ((1));
 
 /* Flush all line-buffered files.  */
 extern void _flushlbf (void);
 
 
 /* Set locking status of stream FP to TYPE.  */
-extern int __fsetlocking (FILE *__fp, int __type) __THROW;
+extern int __fsetlocking (FILE *__fp, int __type) __THROW __nonnull ((1));
 
 __END_DECLS
 

lib/libc/include/generic-glibc/stdlib.h

@@ -654,7 +654,7 @@ extern int lcong48_r (unsigned short int __param[7],
      __THROW __nonnull ((1, 2));
 
 /*
- * arc4random* symbols introduced in glibc 2.36:
+ * zig patch: arc4random* symbols introduced in glibc 2.36:
  * https://sourceware.org/git/?p=glibc.git;a=blob;f=NEWS;h=8420a65cd06874ee09518366b8fba746a557212a;hb=6f4e0fcfa2d2b0915816a3a3a1d48b4763a7dee2
  */
 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 36) || __GLIBC__ > 2
@@ -693,7 +693,7 @@ extern void *realloc (void *__ptr, size_t __size)
 extern void free (void *__ptr) __THROW;
 
 /*
- * reallocarray introduced in glibc 2.26
+ * zig patch: reallocarray introduced in glibc 2.26
  * https://sourceware.org/git/?p=glibc.git;a=commit;h=2e0bbbfbf95fc9e22692e93658a6fbdd2d4554da
  */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 26) || __GLIBC__ > 2
@@ -997,6 +997,12 @@ __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. */
@@ -1178,4 +1184,4 @@ extern int ttyslot (void) __THROW;
 
 __END_DECLS
 
-#endif /* stdlib.h  */
+#endif /* stdlib.h  */

lib/libc/include/generic-glibc/string.h

@@ -502,7 +502,7 @@ extern char *stpncpy (char *__restrict __dest,
 #endif
 
 /*
- * strlcpy and strlcat introduced in glibc 2.38
+ * zig patch: strlcpy and strlcat introduced in glibc 2.38
  * https://sourceware.org/git/?p=glibc.git;a=commit;h=2e0bbbfbf95fc9e22692e93658a6fbdd2d4554da
  */
 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 38) || __GLIBC__ > 2
@@ -557,4 +557,4 @@ extern char *basename (const char *__filename) __THROW __nonnull ((1));
 
 __END_DECLS
 
-#endif /* string.h  */
+#endif /* string.h  */

lib/libc/include/generic-glibc/sys/hwprobe.h

@@ -21,6 +21,7 @@
 #define _SYS_HWPROBE_H 1
 
 #include <features.h>
+#include <sched.h>
 #include <stddef.h>
 #include <errno.h>
 #ifdef __has_include
@@ -63,22 +64,39 @@ struct riscv_hwprobe {
 
 __BEGIN_DECLS
 
-extern int __riscv_hwprobe (struct riscv_hwprobe *__pairs, size_t __pair_count,
+#if defined __cplusplus || !__GNUC_PREREQ (2, 7)
-			    size_t __cpu_count, unsigned long int *__cpus,
+# define __RISCV_HWPROBE_CPUS_TYPE cpu_set_t *
-			    unsigned int __flags)
+#else
-     __nonnull ((1)) __wur
+/* The fourth argument to __riscv_hwprobe should be a null pointer or a
-     __fortified_attr_access (__read_write__, 1, 2)
+   pointer to a cpu_set_t (either the fixed-size type or allocated with
-     __fortified_attr_access (__read_only__, 4, 3);
+   CPU_ALLOC).  However, early versions of this header file used the
+   argument type unsigned long int *.  The transparent union allows
+   the argument to be either cpu_set_t * or unsigned long int * for
+   compatibility.  The older header file requiring unsigned long int *
+   can be identified by the lack of the __RISCV_HWPROBE_CPUS_TYPE macro.
+   In C++ and with compilers that do not support transparent unions, the
+   argument type must be cpu_set_t *.  */
+typedef union {
+	cpu_set_t *__cs;
+	unsigned long int *__ul;
+} __RISCV_HWPROBE_CPUS_TYPE __attribute__ ((__transparent_union__));
+# define __RISCV_HWPROBE_CPUS_TYPE __RISCV_HWPROBE_CPUS_TYPE
+#endif
 
-/* A pointer to the __riscv_hwprobe vDSO function is passed as the second
+extern int __riscv_hwprobe (struct riscv_hwprobe *__pairs,
+			    size_t __pair_count, size_t __cpusetsize,
+			    __RISCV_HWPROBE_CPUS_TYPE __cpus,
+			    unsigned int __flags)
+     __THROW __nonnull ((1)) __attr_access ((__read_write__, 1, 2));
+
+/* A pointer to the __riscv_hwprobe function is passed as the second
    argument to ifunc selector routines. Include a function pointer type for
    convenience in calling the function in those settings. */
-typedef int (*__riscv_hwprobe_t) (struct riscv_hwprobe *__pairs, size_t __pair_count,
+typedef int (*__riscv_hwprobe_t) (struct riscv_hwprobe *__pairs,
-				  size_t __cpu_count, unsigned long int *__cpus,
+				  size_t __pair_count, size_t __cpusetsize,
+				  __RISCV_HWPROBE_CPUS_TYPE __cpus,
 				  unsigned int __flags)
-     __nonnull ((1)) __wur
+     __nonnull ((1)) __attr_access ((__read_write__, 1, 2));
-     __fortified_attr_access (__read_write__, 1, 2)
-     __fortified_attr_access (__read_only__, 4, 3);
 
 /* Helper function usable from ifunc selectors that probes a single key. */
 static __inline int

lib/libc/include/generic-glibc/sys/ifunc.h

@@ -19,24 +19,77 @@
 #ifndef _SYS_IFUNC_H
 #define _SYS_IFUNC_H
 
+#include <sys/cdefs.h>
+
 /* A second argument is passed to the ifunc resolver.  */
 #define _IFUNC_ARG_HWCAP	(1ULL << 62)
 
-/* The prototype of a gnu indirect function resolver on AArch64 is
+/* Maximum number of HWCAP elements that are currently supported.  */
+#define _IFUNC_HWCAP_MAX	4
+
+/* The prototype of a GNU indirect function resolver on AArch64 is
+
+     ElfW(Addr) ifunc_resolver (uint64_t, const uint64_t *);
+
+   The following prototype is also compatible:
 
      ElfW(Addr) ifunc_resolver (uint64_t, const __ifunc_arg_t *);
 
-   the first argument should have the _IFUNC_ARG_HWCAP bit set and
+   The first argument might have the _IFUNC_ARG_HWCAP bit set and
-   the remaining bits should match the AT_HWCAP settings.  */
+   the remaining bits should match the AT_HWCAP settings.
+
+   If the _IFUNC_ARG_HWCAP bit is set in the first argument, then
+   the second argument is passed to the resolver function.  In
+   this case, the second argument is a const pointer to a buffer
+   that allows to access all available HWCAP elements.
+
+   This buffer has its size in bytes at offset 0.  The HWCAP elements
+   are available at offsets 8, 16, 24, 32... respectively for AT_HWCAP,
+   AT_HWCAP2, AT_HWCAP3, AT_HWCAP4...  (these offsets are multiples of
+   sizeof (unsigned long)).
+
+   Indirect function resolvers must check availability of HWCAP
+   elements at runtime before accessing them using the size of the
+   buffer.  */
 
-/* Second argument to an ifunc resolver.  */
 struct __ifunc_arg_t
 {
-  unsigned long _size; /* Size of the struct, so it can grow.  */
+  unsigned long _size;    /* Size of the struct, so it can grow.  */
   unsigned long _hwcap;
-  unsigned long _hwcap2;
+  unsigned long _hwcap2;  /* End of 1st published struct.  */
+  unsigned long _hwcap3;
+  unsigned long _hwcap4;  /* End of 2nd published struct.  */
 };
 
 typedef struct __ifunc_arg_t __ifunc_arg_t;
 
+/* Constants for IDs of HWCAP elements to be used with the
+   __ifunc_hwcap function below.  */
+enum
+{
+  _IFUNC_ARG_AT_HWCAP = 1,
+  _IFUNC_ARG_AT_HWCAP2 = 2,
+  _IFUNC_ARG_AT_HWCAP3 = 3,
+  _IFUNC_ARG_AT_HWCAP4 = 4,
+};
+
+/* A helper function to obtain HWCAP element by its ID from the
+   parameters ARG0 and ARG1 passed to the ifunc resolver.  Note that
+   ID 1 corresponds to AT_HWCAP, ID 2 corresponds to AT_HWCAP2, etc.
+   If there is no element available for the requested ID then 0 is
+   returned.  If ID doesn't much any supported AT_HWCAP{,2,...} value,
+   then 0 is also returned.  */
+static __inline unsigned long __attribute__ ((unused, always_inline))
+__ifunc_hwcap (unsigned long __id,
+	       unsigned long __arg0, const unsigned long *__arg1)
+{
+  if (__glibc_likely (__arg0 & _IFUNC_ARG_HWCAP))
+    {
+      const unsigned long size = __arg1[0];
+      const unsigned long offset = __id * sizeof (unsigned long);
+      return offset < size && __id > 0 ? __arg1[__id] : 0;
+    }
+  return __id == 1 ? __arg0 : 0;
+}
+
 #endif

lib/libc/include/generic-glibc/sys/mount.h

@@ -121,7 +121,7 @@ enum
   MS_ACTIVE = 1 << 30,
 #define MS_ACTIVE	MS_ACTIVE
 #undef MS_NOUSER
-  MS_NOUSER = 1 << 31
+  MS_NOUSER = 1U << 31
 #define MS_NOUSER	MS_NOUSER
 };
 

lib/libc/include/generic-glibc/sys/ttychars.h

@@ -54,8 +54,4 @@ struct ttychars {
 	char	tc_lnextc;	/* literal next character */
 };
 
-#ifdef __USE_OLD_TTY
-#include <sys/ttydefaults.h>	/* to pick up character defaults */
-#endif
-
 #endif /* sys/ttychars.h */

lib/libc/include/generic-glibc/termio.h

@@ -1,6 +0,0 @@
-/* Compatible <termio.h> for old `struct termio' ioctl interface.
-   This is obsolete; use the POSIX.1 `struct termios' interface
-   defined in <termios.h> instead.  */
-
-#include <termios.h>
-#include <sys/ioctl.h>

lib/libc/include/generic-glibc/termios.h

@@ -61,6 +61,26 @@ extern int cfsetispeed (struct termios *__termios_p, speed_t __speed) __THROW;
 extern int cfsetspeed (struct termios *__termios_p, speed_t __speed) __THROW;
 #endif
 
+#ifdef __USE_GNU
+/* Interfaces that are explicitly numeric representations of baud rates */
+typedef speed_t baud_t;
+#define BAUD_MAX SPEED_MAX
+
+/* Return the output baud rate stored in *TERMIOS_P.  */
+extern baud_t cfgetobaud (const struct termios *__termios_p) __THROW;
+
+/* Return the input baud rate stored in *TERMIOS_P.  */
+extern baud_t cfgetibaud (const struct termios *__termios_p) __THROW;
+
+/* Set the output baud rate stored in *TERMIOS_P to BAUD.  */
+extern int cfsetobaud (struct termios *__termios_p, baud_t __baud) __THROW;
+
+/* Set the input baud rate stored in *TERMIOS_P to BAUD.  */
+extern int cfsetibaud (struct termios *__termios_p, baud_t __baud) __THROW;
+
+/* Set both the input and output baud rates in *TERMIOS_OP to BAUD.  */
+extern int cfsetbaud (struct termios *__termios_p, baud_t __baud) __THROW;
+#endif
 
 /* Put the state of FD into *TERMIOS_P.  */
 extern int tcgetattr (int __fd, struct termios *__termios_p) __THROW;

lib/libc/include/generic-glibc/tgmath.h

@@ -923,6 +923,24 @@
 /* Return the cube root of X.  */
 #define cbrt(Val) __TGMATH_UNARY_REAL_ONLY (Val, cbrt)
 
+#if __GLIBC_USE (IEC_60559_FUNCS_EXT_C23)
+/* Return 1+X to the Y power.  */
+# define compoundn(Val1, Val2)					\
+  __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, compoundn)
+
+/* Return X to the Y power.  */
+# define pown(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, pown)
+
+/* Return X to the Y power.  */
+# define powr(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, powr)
+
+/* Return the Yth root of X.  */
+# define rootn(Val1, Val2) __TGMATH_BINARY_FIRST_REAL_ONLY (Val1, Val2, rootn)
+
+/* Return 1/sqrt(X).  */
+# define rsqrt(Val) __TGMATH_UNARY_REAL_ONLY (Val, rsqrt)
+#endif
+
 
 /* Nearest integer, absolute value, and remainder functions.  */
 

lib/libc/include/generic-glibc/unistd.h

@@ -1231,4 +1231,4 @@ extern int close_range (unsigned int __fd, unsigned int __max_fd,
 
 __END_DECLS
 
-#endif /* unistd.h  */
+#endif /* unistd.h  */

lib/libc/include/mips-linux-gnu/bits/ioctl-types.h

@@ -31,18 +31,6 @@ struct winsize
     unsigned short int ws_ypixel;
   };
 
-#define NCC	8
-struct termio
-  {
-    unsigned short int c_iflag;		/* input mode flags */
-    unsigned short int c_oflag;		/* output mode flags */
-    unsigned short int c_cflag;		/* control mode flags */
-    unsigned short int c_lflag;		/* local mode flags */
-    char c_line;			/* line discipline */
-    /* Yes, this is really NCCS.  */
-    unsigned char c_cc[32 /* NCCS */]; /* control characters */
-  };
-
 /* modem lines */
 #define TIOCM_LE	0x001		/* line enable */
 #define TIOCM_DTR	0x002		/* data terminal ready */

lib/libc/include/mips-linux-gnu/bits/termios-struct.h

@@ -1,34 +0,0 @@
-/* struct termios definition.  Linux/mips version.
-   Copyright (C) 2019-2025 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
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _TERMIOS_H
-# error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
-#endif
-
-#define NCCS 32
-struct termios
-  {
-    tcflag_t c_iflag;		/* input mode flags */
-    tcflag_t c_oflag;		/* output mode flags */
-    tcflag_t c_cflag;		/* control mode flags */
-    tcflag_t c_lflag;		/* local mode flags */
-    cc_t c_line;		/* line discipline */
-    cc_t c_cc[NCCS];		/* control characters */
-#define _HAVE_STRUCT_TERMIOS_C_ISPEED 0
-#define _HAVE_STRUCT_TERMIOS_C_OSPEED 0
-  };

lib/libc/include/powerpc-linux-gnu/bits/ioctl-types.h

@@ -32,17 +32,6 @@ struct winsize
     unsigned short int ws_ypixel;
   };
 
-#define NCC 10
-struct termio
-  {
-    unsigned short int c_iflag;		/* input mode flags */
-    unsigned short int c_oflag;		/* output mode flags */
-    unsigned short int c_cflag;		/* control mode flags */
-    unsigned short int c_lflag;		/* local mode flags */
-    unsigned char c_line;		/* line discipline */
-    unsigned char c_cc[NCC];		/* control characters */
-};
-
 /* modem lines */
 #define TIOCM_LE	0x001
 #define TIOCM_DTR	0x002

lib/libc/include/powerpc-linux-gnu/bits/termios-c_cflag.h

@@ -35,5 +35,7 @@
 #define CLOCAL	00100000
 
 #ifdef __USE_MISC
-# define ADDRB 04000000000
+# define ADDRB    04000000000
+# define CMSPAR  010000000000 /* Mark or space (stick) parity.  */
+# define CRTSCTS 020000000000 /* Flow control.  */
 #endif

lib/libc/include/powerpc-linux-gnu/bits/termios-cbaud.h

@@ -17,29 +17,29 @@
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
-# error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
+# error "Never include <bits/termios-cbaud.h> directly; use <termios.h> instead."
 #endif
 
 #ifdef __USE_MISC
-# define CBAUD	0000377
+# define CBAUD	    000000377
-# define CBAUDEX 0000020
+# define CBAUDEX    000000020
-# define CMSPAR   010000000000		/* mark or space (stick) parity */
+# define CIBAUD     077600000
-# define CRTSCTS  020000000000		/* flow control */
+# define IBSHIFT    16
 #endif
 
-#define  B57600   00020
+#define  __B57600   00020
-#define  B115200  00021
+#define  __B115200  00021
-#define  B230400  00022
+#define  __B230400  00022
-#define  B460800  00023
+#define  __B460800  00023
-#define  B500000  00024
+#define  __B500000  00024
-#define  B576000  00025
+#define  __B576000  00025
-#define  B921600  00026
+#define  __B921600  00026
-#define  B1000000 00027
+#define  __B1000000 00027
-#define  B1152000 00030
+#define  __B1152000 00030
-#define  B1500000 00031
+#define  __B1500000 00031
-#define  B2000000 00032
+#define  __B2000000 00032
-#define  B2500000 00033
+#define  __B2500000 00033
-#define  B3000000 00034
+#define  __B3000000 00034
-#define  B3500000 00035
+#define  __B3500000 00035
-#define  B4000000 00036
+#define  __B4000000 00036
-#define __MAX_BAUD B4000000
+#define  __BOTHER   00037

lib/libc/include/sparc-linux-gnu/bits/termios-cbaud.h

@@ -17,30 +17,29 @@
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _TERMIOS_H
-# error "Never include <bits/termios-baud.h> directly; use <termios.h> instead."
+# error "Never include <bits/termios-cbaud.h> directly; use <termios.h> instead."
 #endif
 
 #ifdef __USE_MISC
 # define CBAUD   0x0000100f
 # define CBAUDEX 0x00001000
-# define CIBAUD	 0x100f0000	/* input baud rate (not used) */
+# define CIBAUD	 0x100f0000	/* input baud rate */
-# define CMSPAR  0x40000000	/* mark or space (stick) parity */
+# define IBSHIFT 16
-# define CRTSCTS 0x80000000	/* flow control */
 #endif
 
-#define  B57600  0x00001001
+#define  __B57600  0x00001001
-#define  B115200 0x00001002
+#define  __B115200 0x00001002
-#define  B230400 0x00001003
+#define  __B230400 0x00001003
-#define  B460800 0x00001004
+#define  __B460800 0x00001004
-#define  B76800  0x00001005
+#define  __B76800  0x00001005
-#define  B153600 0x00001006
+#define  __B153600 0x00001006
-#define  B307200 0x00001007
+#define  __B307200 0x00001007
-#define  B614400 0x00001008
+#define  __B614400 0x00001008
-#define  B921600 0x00001009
+#define  __B921600 0x00001009
-#define  B500000 0x0000100a
+#define  __B500000 0x0000100a
-#define  B576000 0x0000100b
+#define  __B576000 0x0000100b
-#define B1000000 0x0000100c
+#define __B1000000 0x0000100c
-#define B1152000 0x0000100d
+#define __B1152000 0x0000100d
-#define B1500000 0x0000100e
+#define __B1500000 0x0000100e
-#define B2000000 0x0000100f
+#define __B2000000 0x0000100f
-#define __MAX_BAUD B2000000
+#define __BOTHER   0x00001000

lib/libc/include/sparc-linux-gnu/bits/termios-struct.h

@@ -1,34 +0,0 @@
-/* struct termios definition.  Linux/sparc version.
-   Copyright (C) 2019-2025 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
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _TERMIOS_H
-# error "Never include <bits/termios-struct.h> directly; use <termios.h> instead."
-#endif
-
-#define NCCS 17
-struct termios
-  {
-    tcflag_t c_iflag;		/* input mode flags */
-    tcflag_t c_oflag;		/* output mode flags */
-    tcflag_t c_cflag;		/* control mode flags */
-    tcflag_t c_lflag;		/* local mode flags */
-    cc_t c_line;		/* line discipline */
-    cc_t c_cc[NCCS];		/* control characters */
-#define _HAVE_STRUCT_TERMIOS_C_ISPEED 0
-#define _HAVE_STRUCT_TERMIOS_C_OSPEED 0
-  };

lib/libc/include/x86-linux-gnu/bits/floatn.h

@@ -25,11 +25,15 @@
    floating-point type with the IEEE 754 binary128 format, and this
    glibc includes corresponding *f128 interfaces for it.  The required
    libgcc support was added some time after the basic compiler
-   support, for x86_64 and x86.  */
+   support, for x86_64 and x86.  Intel SYCL compiler doesn't support
+   _Float128: https://github.com/intel/llvm/issues/16903
+  */
 #if (defined __x86_64__							\
      ? __GNUC_PREREQ (4, 3)						\
      : (defined __GNU__ ? __GNUC_PREREQ (4, 5) : __GNUC_PREREQ (4, 4))) \
-    || __glibc_clang_prereq (3, 4)
+    || (__glibc_clang_prereq (3, 9)					\
+	&& (!defined __INTEL_LLVM_COMPILER				\
+	    || !defined SYCL_LANGUAGE_VERSION))
 # define __HAVE_FLOAT128 1
 #else
 # define __HAVE_FLOAT128 0
@@ -89,7 +93,7 @@ typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__)));
 /* The type _Float128 exists only since GCC 7.0.  */
 #  if !__GNUC_PREREQ (7, 0) \
       || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) \
-      || __glibc_clang_prereq (3, 4)
+      || __glibc_clang_prereq (3, 9)
 typedef __float128 _Float128;
 #  endif