diff options
Diffstat (limited to 'libc/sysdeps/linux/or1k/bits')
| -rw-r--r-- | libc/sysdeps/linux/or1k/bits/fcntl.h | 3 | ||||
| -rw-r--r-- | libc/sysdeps/linux/or1k/bits/fenv.h | 84 | ||||
| -rw-r--r-- | libc/sysdeps/linux/or1k/bits/kernel_stat.h | 27 | ||||
| -rw-r--r-- | libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h | 3 |
4 files changed, 114 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/or1k/bits/fcntl.h b/libc/sysdeps/linux/or1k/bits/fcntl.h index c9599ef3a..78eed9d5f 100644 --- a/libc/sysdeps/linux/or1k/bits/fcntl.h +++ b/libc/sysdeps/linux/or1k/bits/fcntl.h @@ -244,3 +244,6 @@ 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/or1k/bits/fenv.h b/libc/sysdeps/linux/or1k/bits/fenv.h new file mode 100644 index 000000000..4701946ff --- /dev/null +++ b/libc/sysdeps/linux/or1k/bits/fenv.h @@ -0,0 +1,84 @@ +/* Floating point environment, OpenRISC version. + Copyright (C) 2022-2025 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 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 _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +#ifdef __or1k_hard_float__ +/* Define bits representing exceptions in the FPCSR status word. */ +enum + { + FE_OVERFLOW = +#define FE_OVERFLOW (1 << 3) + FE_OVERFLOW, + FE_UNDERFLOW = +#define FE_UNDERFLOW (1 << 4) + FE_UNDERFLOW, + FE_INEXACT = +#define FE_INEXACT (1 << 8) + FE_INEXACT, + FE_INVALID = +#define FE_INVALID (1 << 9) + FE_INVALID, + FE_DIVBYZERO = +#define FE_DIVBYZERO (1 << 11) + FE_DIVBYZERO, + }; + +/* All supported exceptions. */ +#define FE_ALL_EXCEPT \ + (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT) + +/* Define bits representing rounding modes in the FPCSR Rmode field. */ +#define FE_TONEAREST (0x0 << 1) +#define FE_TOWARDZERO (0x1 << 1) +#define FE_UPWARD (0x2 << 1) +#define FE_DOWNWARD (0x3 << 1) + +#else + +/* In the soft-float case only rounding to nearest is supported, with + no exceptions. */ + +enum + { + __FE_UNDEFINED = -1, + + FE_TONEAREST = +# define FE_TONEAREST 0x0 + FE_TONEAREST + }; + +# define FE_ALL_EXCEPT 0 + +#endif /* __or1k_hard_float__ */ + +/* Type representing exception flags. */ +typedef unsigned int fexcept_t; + +/* Type representing floating-point environment. */ +typedef unsigned int fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((const fenv_t *) -1l) + +/* Type representing floating-point control modes. */ +typedef unsigned int femode_t; + +/* Default floating-point control modes. */ +# define FE_DFL_MODE ((const femode_t *) -1L) diff --git a/libc/sysdeps/linux/or1k/bits/kernel_stat.h b/libc/sysdeps/linux/or1k/bits/kernel_stat.h new file mode 100644 index 000000000..2e5eab901 --- /dev/null +++ b/libc/sysdeps/linux/or1k/bits/kernel_stat.h @@ -0,0 +1,27 @@ +#ifndef _BITS_STAT_STRUCT_H +#define _BITS_STAT_STRUCT_H + +struct kernel_stat { + unsigned long st_dev; /* Device. */ + unsigned long st_ino; /* File serial number. */ + unsigned int st_mode; /* File mode. */ + unsigned int st_nlink; /* Link count. */ + unsigned int st_uid; /* User ID of the file's owner. */ + unsigned int st_gid; /* Group ID of the file's group. */ + unsigned long st_rdev; /* Device number, if device. */ + unsigned long __pad1; + long st_size; /* Size of file, in bytes. */ + int st_blksize; /* Optimal block size for I/O. */ + int __pad2; + long st_blocks; /* Number 512-byte blocks allocated. */ + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; + unsigned int __unused4; + unsigned int __unused5; +}; + +#define kernel_stat64 kernel_stat + +#endif /* _BITS_STAT_STRUCT_H */ + diff --git a/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h index a9560b0b9..e11e71f88 100644 --- a/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h +++ b/libc/sysdeps/linux/or1k/bits/uClibc_arch_features.h @@ -14,9 +14,6 @@ /* 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 have a broken create_module() ? */ #undef __UCLIBC_BROKEN_CREATE_MODULE__ |