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-rw-r--r--sysdeps/m68k/bits/byteswap.h88
-rw-r--r--sysdeps/m68k/bits/fenv.h131
-rw-r--r--sysdeps/m68k/bits/link.h2
-rw-r--r--sysdeps/m68k/bits/setjmp.h2
4 files changed, 133 insertions, 90 deletions
diff --git a/sysdeps/m68k/bits/byteswap.h b/sysdeps/m68k/bits/byteswap.h
deleted file mode 100644
index ce7c4987bc..0000000000
--- a/sysdeps/m68k/bits/byteswap.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/* Macros to swap the order of bytes in integer values. m68k version.
- Copyright (C) 1997-2016 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
- <http://www.gnu.org/licenses/>. */
-
-#if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
-# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
-#endif
-
-#ifndef _BITS_BYTESWAP_H
-#define _BITS_BYTESWAP_H 1
-
-/* Swap bytes in 16 bit value. We don't provide an assembler version
- because GCC is smart enough to generate optimal assembler output, and
- this allows for better cse. */
-#define __bswap_constant_16(x) \
- ((((x) >> 8) & 0xffu) | (((x) & 0xffu) << 8))
-
-static __always_inline unsigned short int
-__bswap_16 (unsigned short int __bsx)
-{
- return __bswap_constant_16 (__bsx);
-}
-
-/* Swap bytes in 32 bit value. */
-#define __bswap_constant_32(x) \
- ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8) | \
- (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24))
-
-#if !defined(__mcoldfire__)
-static __always_inline unsigned int
-__bswap_32 (unsigned int __bsx)
-{
- if (__builtin_constant_p (__bsx))
- return __bswap_constant_32 (__bsx);
- __asm__ __volatile__ ("ror%.w %#8, %0;"
- "swap %0;"
- "ror%.w %#8, %0"
- : "+d" (__bsx));
- return __bsx;
-}
-#else
-static __always_inline unsigned int
-__bswap_32 (unsigned int __bsx)
-{
- return __bswap_constant_32 (__bsx);
-}
-#endif
-
-#if defined __GNUC__ && __GNUC__ >= 2
-/* Swap bytes in 64 bit value. */
-# define __bswap_constant_64(x) \
- __extension__ \
- ((((x) & 0xff00000000000000ull) >> 56) \
- | (((x) & 0x00ff000000000000ull) >> 40) \
- | (((x) & 0x0000ff0000000000ull) >> 24) \
- | (((x) & 0x000000ff00000000ull) >> 8) \
- | (((x) & 0x00000000ff000000ull) << 8) \
- | (((x) & 0x0000000000ff0000ull) << 24) \
- | (((x) & 0x000000000000ff00ull) << 40) \
- | (((x) & 0x00000000000000ffull) << 56))
-
-/* Swap bytes in 64 bit value. */
-__extension__
-static __always_inline unsigned long long
-__bswap_64 (unsigned long long __bsx)
-{
- if (__builtin_constant_p (__bsx))
- return __bswap_constant_64 (__bsx);
- return (__bswap_32 (__bsx >> 32)
- | ((unsigned long long) __bswap_32 (__bsx) << 32));
-}
-#endif
-
-#endif /* _BITS_BYTESWAP_H */
diff --git a/sysdeps/m68k/bits/fenv.h b/sysdeps/m68k/bits/fenv.h
new file mode 100644
index 0000000000..7050ceff24
--- /dev/null
+++ b/sysdeps/m68k/bits/fenv.h
@@ -0,0 +1,131 @@
+/* Copyright (C) 1997-2018 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
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+
+#if defined __HAVE_68881__ || defined __HAVE_FPU__ || defined __mcffpu__
+
+/* Define bits representing the exception. We use the bit positions of
+ the appropriate bits in the FPSR Accrued Exception Byte. */
+enum
+ {
+ FE_INEXACT =
+# define FE_INEXACT (1 << 3)
+ FE_INEXACT,
+ FE_DIVBYZERO =
+# define FE_DIVBYZERO (1 << 4)
+ FE_DIVBYZERO,
+ FE_UNDERFLOW =
+# define FE_UNDERFLOW (1 << 5)
+ FE_UNDERFLOW,
+ FE_OVERFLOW =
+# define FE_OVERFLOW (1 << 6)
+ FE_OVERFLOW,
+ FE_INVALID =
+# define FE_INVALID (1 << 7)
+ FE_INVALID
+ };
+
+# define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The m68k FPU supports all of the four defined rounding modes. We use
+ the bit positions in the FPCR Mode Control Byte as the values for the
+ appropriate macros. */
+enum
+ {
+ FE_TONEAREST =
+# define FE_TONEAREST 0
+ FE_TONEAREST,
+ FE_TOWARDZERO =
+# define FE_TOWARDZERO (1 << 4)
+ FE_TOWARDZERO,
+ FE_DOWNWARD =
+# define FE_DOWNWARD (2 << 4)
+ FE_DOWNWARD,
+ FE_UPWARD =
+# define FE_UPWARD (3 << 4)
+ FE_UPWARD
+ };
+
+#else
+
+/* In the soft-float case, only rounding to nearest is supported, with
+ no exceptions. */
+
+# define FE_ALL_EXCEPT 0
+
+enum
+ {
+ __FE_UNDEFINED = -1,
+
+ FE_TONEAREST =
+# define FE_TONEAREST 0
+ FE_TONEAREST
+ };
+
+#endif
+
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t;
+
+
+#if defined __HAVE_68881__ || defined __HAVE_FPU__ || defined __mcffpu__
+
+/* Type representing floating-point environment. This structure
+ corresponds to the layout of the block written by `fmovem'. */
+typedef struct
+ {
+ unsigned int __control_register;
+ unsigned int __status_register;
+ unsigned int __instruction_address;
+ }
+fenv_t;
+
+#else
+
+/* Keep ABI compatibility with the type used in the generic
+ bits/fenv.h, formerly used for no-FPU ColdFire. */
+typedef struct
+ {
+ fexcept_t __excepts;
+ }
+fenv_t;
+
+#endif
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#if defined __USE_GNU && (defined __HAVE_68881__ \
+ || defined __HAVE_FPU__ \
+ || defined __mcffpu__)
+/* Floating-point environment where none of the exceptions are masked. */
+# define FE_NOMASK_ENV ((const fenv_t *) -2)
+#endif
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT)
+/* Type representing floating-point control modes. */
+typedef unsigned int femode_t;
+
+/* Default floating-point control modes. */
+# define FE_DFL_MODE ((const femode_t *) -1L)
+#endif
diff --git a/sysdeps/m68k/bits/link.h b/sysdeps/m68k/bits/link.h
index 69b8b838f9..c88ce6bd33 100644
--- a/sysdeps/m68k/bits/link.h
+++ b/sysdeps/m68k/bits/link.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005-2016 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2018 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
diff --git a/sysdeps/m68k/bits/setjmp.h b/sysdeps/m68k/bits/setjmp.h
index 55568b5117..9a7826c5e8 100644
--- a/sysdeps/m68k/bits/setjmp.h
+++ b/sysdeps/m68k/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2018 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-22 11:57:54 +0000