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-rw-r--r--libc/sysdeps/linux/sparc/Makefile.arch2
-rw-r--r--libc/sysdeps/linux/sparc/bits/fcntl.h13
-rw-r--r--libc/sysdeps/linux/sparc/bits/fenv.h60
-rw-r--r--libc/sysdeps/linux/sparc/bits/ipc.h4
-rw-r--r--libc/sysdeps/linux/sparc/bits/msq.h4
-rw-r--r--libc/sysdeps/linux/sparc/bits/resource.h21
-rw-r--r--libc/sysdeps/linux/sparc/bits/sem.h22
-rw-r--r--libc/sysdeps/linux/sparc/bits/shm.h12
-rw-r--r--libc/sysdeps/linux/sparc/bits/stat.h12
-rw-r--r--libc/sysdeps/linux/sparc/bits/typesizes.h12
-rw-r--r--libc/sysdeps/linux/sparc/bits/uClibc_arch_features.h3
-rw-r--r--libc/sysdeps/linux/sparc/fpu_control.h24
-rw-r--r--libc/sysdeps/linux/sparc/sigaction.c25
-rw-r--r--libc/sysdeps/linux/sparc/sigreturn_stub.S14
-rw-r--r--libc/sysdeps/linux/sparc/sysdep.h9
15 files changed, 152 insertions, 85 deletions
diff --git a/libc/sysdeps/linux/sparc/Makefile.arch b/libc/sysdeps/linux/sparc/Makefile.arch
index d34624f36..c9529b344 100644
--- a/libc/sysdeps/linux/sparc/Makefile.arch
+++ b/libc/sysdeps/linux/sparc/Makefile.arch
@@ -6,7 +6,7 @@
#
CSRC-y := brk.c __syscall_error.c sigaction.c
-SSRC-y := __longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
+SSRC-y := __longjmp.S setjmp.S sigreturn_stub.S bsd-setjmp.S bsd-_setjmp.S \
syscall.S urem.S udiv.S umul.S sdiv.S rem.S pipe.S fork.S vfork.S clone.S
CSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.c
diff --git a/libc/sysdeps/linux/sparc/bits/fcntl.h b/libc/sysdeps/linux/sparc/bits/fcntl.h
index 9ccc5946d..35224cdb3 100644
--- a/libc/sysdeps/linux/sparc/bits/fcntl.h
+++ b/libc/sysdeps/linux/sparc/bits/fcntl.h
@@ -51,6 +51,7 @@
# define O_DIRECT 0x100000 /* direct disk access hint */
# define O_NOATIME 0x200000 /* Do not set atime. */
# define O_PATH 0x1000000 /* Resolve pathname but do not open file. */
+# define O_TMPFILE 0x2010000 /* Atomically create nameless file. */
#endif
#ifdef __USE_LARGEFILE64
@@ -102,11 +103,13 @@
# define F_SETLEASE 1024 /* Set a lease. */
# define F_GETLEASE 1025 /* Enquire what lease is active. */
# define F_NOTIFY 1026 /* Request notfications on a directory. */
-# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
- close-on-exit set on new fd. */
# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
# define F_GETPIPE_SZ 1032 /* Get pipe page size array. */
#endif
+#if defined __USE_XOPEN2K8 || defined __USE_GNU
+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
+ close-on-exit set on new fd. */
+#endif
#define F_GETLK64 12 /* Get record locking info. */
#define F_SETLK64 13 /* Set record locking info (non-blocking). */
@@ -163,7 +166,7 @@ struct flock
__off64_t l_len; /* Size of the locked area; zero means until EOF. */
#endif
__pid_t l_pid; /* Process holding the lock. */
- short int __unused;
+ short int __uclibc_unused;
};
#ifdef __USE_LARGEFILE64
@@ -174,7 +177,7 @@ struct flock64
__off64_t l_start; /* Offset where the lock begins. */
__off64_t l_len; /* Size of the locked area; zero means until EOF. */
__pid_t l_pid; /* Process holding the lock. */
- short int __unused;
+ short int __uclibc_unused;
};
#endif
@@ -249,3 +252,5 @@ extern ssize_t tee (int __fdin, int __fdout, size_t __len,
#endif
__END_DECLS
+/* Include generic Linux declarations. */
+#include <bits/fcntl-linux.h>
diff --git a/libc/sysdeps/linux/sparc/bits/fenv.h b/libc/sysdeps/linux/sparc/bits/fenv.h
index 79ab8cefa..83b32cc51 100644
--- a/libc/sysdeps/linux/sparc/bits/fenv.h
+++ b/libc/sysdeps/linux/sparc/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2025 Free Software Foundation, Inc.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -12,26 +12,34 @@
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
+ <https://www.gnu.org/licenses/>. */
#ifndef _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif
+#include <bits/wordsize.h>
+
+
/* Define bits representing the exception. We use the bit positions
of the appropriate accrued exception bits from the FSR. */
enum
{
- FE_INVALID = (1 << 9),
-#define FE_INVALID FE_INVALID
- FE_OVERFLOW = (1 << 8),
-#define FE_OVERFLOW FE_OVERFLOW
- FE_UNDERFLOW = (1 << 7),
-#define FE_UNDERFLOW FE_UNDERFLOW
- FE_DIVBYZERO = (1 << 6),
-#define FE_DIVBYZERO FE_DIVBYZERO
- FE_INEXACT = (1 << 5)
-#define FE_INEXACT FE_INEXACT
+ FE_INVALID =
+#define FE_INVALID (1 << 9)
+ FE_INVALID,
+ FE_OVERFLOW =
+#define FE_OVERFLOW (1 << 8)
+ FE_OVERFLOW,
+ FE_UNDERFLOW =
+#define FE_UNDERFLOW (1 << 7)
+ FE_UNDERFLOW,
+ FE_DIVBYZERO =
+#define FE_DIVBYZERO (1 << 6)
+ FE_DIVBYZERO,
+ FE_INEXACT =
+#define FE_INEXACT (1 << 5)
+ FE_INEXACT
};
#define FE_ALL_EXCEPT \
@@ -42,14 +50,18 @@ enum
for the appropriate macros. */
enum
{
- FE_TONEAREST = (0U << 30),
-#define FE_TONEAREST FE_TONEAREST
- FE_TOWARDZERO = (1U << 30),
-#define FE_TOWARDZERO FE_TOWARDZERO
- FE_UPWARD = (2U << 30),
-#define FE_UPWARD FE_UPWARD
- FE_DOWNWARD = (3U << 30)
-#define FE_DOWNWARD FE_DOWNWARD
+ FE_TONEAREST =
+#define FE_TONEAREST (0 << 30)
+ FE_TONEAREST,
+ FE_TOWARDZERO =
+#define FE_TOWARDZERO (1 << 30)
+ FE_TOWARDZERO,
+ FE_UPWARD =
+#define FE_UPWARD (-0x7fffffff - 1) /* (2 << 30) */
+ FE_UPWARD,
+ FE_DOWNWARD =
+#define FE_DOWNWARD (-0x40000000) /* (3 << 30) */
+ FE_DOWNWARD
};
#define __FE_ROUND_MASK (3U << 30)
@@ -70,6 +82,8 @@ typedef unsigned long int fenv_t;
# define FE_NOMASK_ENV ((const fenv_t *) -2)
#endif
-/* For internal use only: access the fp state register. */
-#define __fenv_stfsr(X) __asm__ ("st %%fsr,%0" : "=m" (X))
-#define __fenv_ldfsr(X) __asm__ __volatile__ ("ld %0,%%fsr" : : "m" (X))
+/* Type representing floating-point control modes. */
+typedef unsigned long int femode_t;
+
+/* Default floating-point control modes. */
+# define FE_DFL_MODE ((const femode_t *) -1L)
diff --git a/libc/sysdeps/linux/sparc/bits/ipc.h b/libc/sysdeps/linux/sparc/bits/ipc.h
index 017d0e1bc..193097ff8 100644
--- a/libc/sysdeps/linux/sparc/bits/ipc.h
+++ b/libc/sysdeps/linux/sparc/bits/ipc.h
@@ -49,6 +49,6 @@ struct ipc_perm
unsigned short int mode; /* Read/write permission. */
unsigned short int __pad2;
unsigned short int __seq; /* Sequence number. */
- unsigned long long int __unused1;
- unsigned long long int __unused2;
+ unsigned long long int __uclibc_unused1;
+ unsigned long long int __uclibc_unused2;
};
diff --git a/libc/sysdeps/linux/sparc/bits/msq.h b/libc/sysdeps/linux/sparc/bits/msq.h
index b8bcf31bf..2558a7bcb 100644
--- a/libc/sysdeps/linux/sparc/bits/msq.h
+++ b/libc/sysdeps/linux/sparc/bits/msq.h
@@ -47,8 +47,8 @@ struct msqid_ds
msglen_t msg_qbytes; /* max number of bytes allowed on queue */
__pid_t msg_lspid; /* pid of last msgsnd() */
__pid_t msg_lrpid; /* pid of last msgrcv() */
- unsigned long int __unused1;
- unsigned long int __unused2;
+ unsigned long int __uclibc_unused1;
+ unsigned long int __uclibc_unused2;
};
#ifdef __USE_MISC
diff --git a/libc/sysdeps/linux/sparc/bits/resource.h b/libc/sysdeps/linux/sparc/bits/resource.h
index 1005aeced..48e1049f4 100644
--- a/libc/sysdeps/linux/sparc/bits/resource.h
+++ b/libc/sysdeps/linux/sparc/bits/resource.h
@@ -98,7 +98,13 @@ enum __rlimit_resource
__RLIMIT_RTPRIO = 14,
#define RLIMIT_RTPRIO __RLIMIT_RTPRIO
- __RLIMIT_NLIMITS = 15,
+ /* Maximum CPU time in µs that a process scheduled under a real-time
+ scheduling policy may consume without making a blocking system
+ call before being forcibly descheduled. */
+ __RLIMIT_RTTIME = 15,
+#define RLIMIT_RTTIME __RLIMIT_RTTIME
+
+ __RLIMIT_NLIMITS = 16,
__RLIM_NLIMITS = __RLIMIT_NLIMITS
#define RLIMIT_NLIMITS __RLIMIT_NLIMITS
#define RLIM_NLIMITS __RLIM_NLIMITS
@@ -108,11 +114,11 @@ enum __rlimit_resource
#ifndef __USE_FILE_OFFSET64
# define RLIM_INFINITY ((long int)(~0UL >> 1))
#else
-# define RLIM_INFINITY 0x7fffffffffffffffLL
+# define RLIM_INFINITY 0xffffffffffffffffULL
#endif
#ifdef __USE_LARGEFILE64
-# define RLIM64_INFINITY 0x7fffffffffffffffLL
+# define RLIM64_INFINITY 0xffffffffffffffffULL
#endif
/* We can represent all limits. */
@@ -158,6 +164,15 @@ enum __rusage_who
/* All of its terminated child processes. */
RUSAGE_CHILDREN = -1
#define RUSAGE_CHILDREN RUSAGE_CHILDREN
+
+#ifdef __USE_GNU
+ ,
+ /* The calling thread. */
+ RUSAGE_THREAD = 1
+# define RUSAGE_THREAD RUSAGE_THREAD
+ /* Name for the same functionality on Solaris. */
+# define RUSAGE_LWP RUSAGE_THREAD
+#endif
};
#define __need_timeval
diff --git a/libc/sysdeps/linux/sparc/bits/sem.h b/libc/sysdeps/linux/sparc/bits/sem.h
index 3faaadd96..23fd7c2eb 100644
--- a/libc/sysdeps/linux/sparc/bits/sem.h
+++ b/libc/sysdeps/linux/sparc/bits/sem.h
@@ -38,12 +38,26 @@ struct semid_ds
{
struct ipc_perm sem_perm; /* operation permission struct */
unsigned int __pad1;
- __time_t sem_otime; /* last semop() time */
+#if defined(__UCLIBC_USE_TIME64__)
+ unsigned long int __sem_otime_internal_1; /* last semop() time */
+ unsigned long int __sem_otime_internal_2;
+#else
+ __time_t sem_otime; /* last semop() time */
+#endif
unsigned int __pad2;
- __time_t sem_ctime; /* last time changed by semctl() */
+#if defined(__UCLIBC_USE_TIME64__)
+ unsigned long int __sem_ctime_internal_1; /* last time changed by semctl() */
+ unsigned long int __sem_ctime_internal_2;
+#else
+ __time_t sem_ctime; /* last time changed by semctl() */
+#endif
unsigned long int sem_nsems; /* number of semaphores in set */
- unsigned long int __unused1;
- unsigned long int __unused2;
+#if defined(__UCLIBC_USE_TIME64__)
+ __time_t sem_otime;
+ __time_t sem_ctime;
+#endif
+ unsigned long int __uclibc_unused1;
+ unsigned long int __uclibc_unused2;
};
/* The user should define a union like the following to use it for arguments
diff --git a/libc/sysdeps/linux/sparc/bits/shm.h b/libc/sysdeps/linux/sparc/bits/shm.h
index 7ef10fc76..3f519ce8e 100644
--- a/libc/sysdeps/linux/sparc/bits/shm.h
+++ b/libc/sysdeps/linux/sparc/bits/shm.h
@@ -58,8 +58,8 @@ struct shmid_ds
__pid_t shm_cpid; /* pid of creator */
__pid_t shm_lpid; /* pid of last shmop */
shmatt_t shm_nattch; /* number of current attaches */
- unsigned long int __unused1;
- unsigned long int __unused2;
+ unsigned long int __uclibc_unused1;
+ unsigned long int __uclibc_unused2;
};
#ifdef __USE_MISC
@@ -81,10 +81,10 @@ struct shminfo
unsigned long shmmni;
unsigned long shmseg;
unsigned long shmall;
- unsigned long __unused1;
- unsigned long __unused2;
- unsigned long __unused3;
- unsigned long __unused4;
+ unsigned long __uclibc_unused1;
+ unsigned long __uclibc_unused2;
+ unsigned long __uclibc_unused3;
+ unsigned long __uclibc_unused4;
};
struct shm_info
diff --git a/libc/sysdeps/linux/sparc/bits/stat.h b/libc/sysdeps/linux/sparc/bits/stat.h
index 7ec7d9b23..0fbef8b3f 100644
--- a/libc/sysdeps/linux/sparc/bits/stat.h
+++ b/libc/sysdeps/linux/sparc/bits/stat.h
@@ -53,7 +53,7 @@ struct stat
#else
__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
#endif
-#ifdef __USE_MISC
+#if defined(__USE_MISC) || defined(__USE_XOPEN2K8)
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
@@ -74,8 +74,8 @@ struct stat
__time_t st_ctime; /* Time of last status change. */
unsigned long int st_ctimensec; /* Nsecs of last status change. */
#endif
- unsigned long int __unused4;
- unsigned long int __unused5;
+ unsigned long int __uclibc_unused4;
+ unsigned long int __uclibc_unused5;
};
#ifdef __USE_LARGEFILE64
@@ -93,7 +93,7 @@ struct stat64
__blksize_t st_blksize; /* Optimal block size for I/O. */
__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
-#ifdef __USE_MISC
+#if defined(__USE_MISC) || defined(__USE_XOPEN2K8)
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
@@ -114,8 +114,8 @@ struct stat64
__time_t st_ctime; /* Time of last status change. */
unsigned long int st_ctimensec; /* Nsecs of last status change. */
#endif
- unsigned long int __unused4;
- unsigned long int __unused5;
+ unsigned long int __uclibc_unused4;
+ unsigned long int __uclibc_unused5;
};
#endif
diff --git a/libc/sysdeps/linux/sparc/bits/typesizes.h b/libc/sysdeps/linux/sparc/bits/typesizes.h
index 37b7656aa..c7b7f5576 100644
--- a/libc/sysdeps/linux/sparc/bits/typesizes.h
+++ b/libc/sysdeps/linux/sparc/bits/typesizes.h
@@ -46,9 +46,21 @@
#define __FSFILCNT64_T_TYPE __UQUAD_TYPE
#define __ID_T_TYPE __U32_TYPE
#define __CLOCK_T_TYPE __SLONGWORD_TYPE
+
+#ifdef __UCLIBC_USE_TIME64__
+#define __TIME_T_TYPE __S64_TYPE
+#else
#define __TIME_T_TYPE __SLONGWORD_TYPE
+#endif
+
#define __USECONDS_T_TYPE __U32_TYPE
+
+#ifdef __UCLIBC_USE_TIME64__
+#define __SUSECONDS_T_TYPE __S64_TYPE
+#else
#define __SUSECONDS_T_TYPE __S32_TYPE
+#endif
+
#define __DADDR_T_TYPE __S32_TYPE
#define __SWBLK_T_TYPE __SLONGWORD_TYPE
#define __KEY_T_TYPE __S32_TYPE
diff --git a/libc/sysdeps/linux/sparc/bits/uClibc_arch_features.h b/libc/sysdeps/linux/sparc/bits/uClibc_arch_features.h
index 76f5084ff..283a250bb 100644
--- a/libc/sysdeps/linux/sparc/bits/uClibc_arch_features.h
+++ b/libc/sysdeps/linux/sparc/bits/uClibc_arch_features.h
@@ -11,9 +11,6 @@
/* can your target use syscall6() for mmap ? */
#define __UCLIBC_MMAP_HAS_6_ARGS__
-/* does your target use statx */
-#undef __UCLIBC_HAVE_STATX__
-
/* does your target align 64bit values in register pairs ? (32bit arches only) */
#undef __UCLIBC_SYSCALL_ALIGN_64BIT__
diff --git a/libc/sysdeps/linux/sparc/fpu_control.h b/libc/sysdeps/linux/sparc/fpu_control.h
index 57f1dbb67..542f9fb1b 100644
--- a/libc/sysdeps/linux/sparc/fpu_control.h
+++ b/libc/sysdeps/linux/sparc/fpu_control.h
@@ -1,6 +1,5 @@
/* FPU control word bits. SPARC version.
- Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
- Contributed by Miguel de Icaza
+ Copyright (C) 1997-2025 Free Software Foundation, Inc.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -14,13 +13,14 @@
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
+ <https://www.gnu.org/licenses/>. */
#ifndef _FPU_CONTROL_H
#define _FPU_CONTROL_H 1
#include <features.h>
+#include <bits/wordsize.h>
/* masking of interrupts */
#define _FPU_MASK_IM 0x08000000
@@ -41,7 +41,7 @@
#define _FPU_RC_ZERO 0x40000000
#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
-#define _FPU_RESERVED 0x30300000 /* Reserved bits in cw */
+#define _FPU_RESERVED 0x303e0000 /* Reserved bits in cw */
/* Now two recommended cw */
@@ -56,12 +56,20 @@
/* Type of the control word. */
typedef unsigned long int fpu_control_t;
-#define _FPU_GETCW(cw) __asm__ ("st %%fsr,%0" : "=m" (*&cw))
-#define _FPU_SETCW(cw) __asm__ ("ld %0,%%fsr" : : "m" (*&cw))
+#if __WORDSIZE == 64
+# define _FPU_GETCW(cw) __asm__ __volatile__ ("stx %%fsr,%0" : "=m" (*&cw))
+# define _FPU_SETCW(cw) __asm__ __volatile__ ("ldx %0,%%fsr" : : "m" (*&cw))
+#else
+# ifdef __leon__
+ /* Prevent stfsr from being placed directly after other fp instruction. */
+# define _FPU_GETCW(cw) __asm__ __volatile__ ("nop; st %%fsr,%0" : "=m" (*&cw))
+# else
+# define _FPU_GETCW(cw) __asm__ __volatile__ ("st %%fsr,%0" : "=m" (*&cw))
+# endif
+# define _FPU_SETCW(cw) __asm__ __volatile__ ("ld %0,%%fsr" : : "m" (*&cw))
+#endif
-#if 0
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-#endif
#endif /* fpu_control.h */
diff --git a/libc/sysdeps/linux/sparc/sigaction.c b/libc/sysdeps/linux/sparc/sigaction.c
index 7895e3acd..447943e3a 100644
--- a/libc/sysdeps/linux/sparc/sigaction.c
+++ b/libc/sysdeps/linux/sparc/sigaction.c
@@ -30,8 +30,8 @@
_syscall5(int, rt_sigaction, int, a, int, b, int, c, int, d, int, e)
-static void __rt_sigreturn_stub(void);
-static void __sigreturn_stub(void);
+void __rt_sigreturn_stub(void);
+void __sigreturn_stub(void);
int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
{
@@ -75,24 +75,3 @@ libc_hidden_weak(sigaction)
# endif
#endif
-
-static void
-__rt_sigreturn_stub(void)
-{
- __asm__(
- "mov %0, %%g1\n\t"
- "ta 0x10\n\t"
- : /* no outputs */
- : "i" (__NR_rt_sigreturn)
- );
-}
-static void
-__sigreturn_stub(void)
-{
- __asm__(
- "mov %0, %%g1\n\t"
- "ta 0x10\n\t"
- : /* no outputs */
- : "i" (__NR_sigreturn)
- );
-}
diff --git a/libc/sysdeps/linux/sparc/sigreturn_stub.S b/libc/sysdeps/linux/sparc/sigreturn_stub.S
new file mode 100644
index 000000000..33f51409b
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/sigreturn_stub.S
@@ -0,0 +1,14 @@
+#include <sysdep.h>
+
+ nop
+ nop
+
+ENTRY_NOCFI (__rt_sigreturn_stub)
+ mov __NR_rt_sigreturn, %g1
+ ta 0x10
+END_NOCFI (__rt_sigreturn_stub)
+
+ENTRY_NOCFI (__sigreturn_stub)
+ mov __NR_sigreturn, %g1
+ ta 0x10
+END_NOCFI (__sigreturn_stub)
diff --git a/libc/sysdeps/linux/sparc/sysdep.h b/libc/sysdeps/linux/sparc/sysdep.h
index c3897ec08..761d21454 100644
--- a/libc/sysdeps/linux/sparc/sysdep.h
+++ b/libc/sysdeps/linux/sparc/sysdep.h
@@ -17,6 +17,15 @@
C_LABEL(name) \
cfi_startproc;
+#define ENTRY_NOCFI(name) \
+ .align 4; \
+ .global C_SYMBOL_NAME(name); \
+ .type name, @function; \
+C_LABEL(name)
+
+#define END_NOCFI(name) \
+ .size name, . - name
+
#define END(name) \
cfi_endproc; \
.size name, . - name
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-03 03:03:55 +0000