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-rw-r--r--sysdeps/m68k/bits/byteswap.h67
-rw-r--r--sysdeps/m68k/bits/endian.h7
-rw-r--r--sysdeps/m68k/bits/huge_vall.h43
-rw-r--r--sysdeps/m68k/bits/setjmp.h46
4 files changed, 163 insertions, 0 deletions
diff --git a/sysdeps/m68k/bits/byteswap.h b/sysdeps/m68k/bits/byteswap.h
new file mode 100644
index 0000000000..549d4452ef
--- /dev/null
+++ b/sysdeps/m68k/bits/byteswap.h
@@ -0,0 +1,67 @@
+/* Macros to swap the order of bytes in integer values. m68k version.
+ Copyright (C) 1997, 2002 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#if !defined _BYTESWAP_H && !defined _NETINET_IN_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_16(x) \
+ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+
+/* Swap bytes in 32 bit value. */
+#define __bswap_constant_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+
+#if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_32(x) \
+ __extension__ \
+ ({ unsigned int __bswap_32_v; \
+ if (__builtin_constant_p (x)) \
+ __bswap_32_v = __bswap_constant_32 (x); \
+ else \
+ __asm__ __volatile__ ("ror%.w %#8, %0;" \
+ "swap %0;" \
+ "ror%.w %#8, %0" \
+ : "=d" (__bswap_32_v) \
+ : "0" ((unsigned int) (x))); \
+ __bswap_32_v; })
+#else
+# define __bswap_32(x) __bswap_constant_32 (x)
+#endif
+
+#if defined __GNUC__ && __GNUC__ >= 2
+/* Swap bytes in 64 bit value. */
+# define __bswap_64(x) \
+ __extension__ \
+ ({ union { unsigned long long int __ll; \
+ unsigned long int __l[2]; } __bswap_64_v, __bswap_64_r; \
+ __bswap_64_v.__ll = (x); \
+ __bswap_64_r.__l[0] = __bswap_32 (__bswap_64_v.__l[1]); \
+ __bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \
+ __bswap_64_r.__ll; })
+#endif
+
+#endif /* _BITS_BYTESWAP_H */
diff --git a/sysdeps/m68k/bits/endian.h b/sysdeps/m68k/bits/endian.h
new file mode 100644
index 0000000000..bf4ecb60a4
--- /dev/null
+++ b/sysdeps/m68k/bits/endian.h
@@ -0,0 +1,7 @@
+/* m68k is big-endian. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/sysdeps/m68k/bits/huge_vall.h b/sysdeps/m68k/bits/huge_vall.h
new file mode 100644
index 0000000000..8b9630c6df
--- /dev/null
+++ b/sysdeps/m68k/bits/huge_vall.h
@@ -0,0 +1,43 @@
+/* `HUGE_VALL' constant for m68k (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 2004
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALL (__builtin_huge_vall ())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VALL (__extension__ 0x1.0p32767L)
+#elif defined__GNUC__
+
+# define HUGE_VALL \
+ (__extension__ \
+ ((union { unsigned long __l[3]; long double __ld; }) \
+ { __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
+
+#else /* not GCC */
+
+static union { unsigned char __c[12]; long double __ld; } __huge_vall =
+ { { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
+# define HUGE_VALL (__huge_vall.__ld)
+
+#endif /* GCC 2.95. */
diff --git a/sysdeps/m68k/bits/setjmp.h b/sysdeps/m68k/bits/setjmp.h
new file mode 100644
index 0000000000..2c2b3ee15a
--- /dev/null
+++ b/sysdeps/m68k/bits/setjmp.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1997, 1998 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Define the machine-dependent type `jmp_buf'. m68k version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+typedef struct
+ {
+ /* There are eight 4-byte data registers, but D0 is not saved. */
+ long int __dregs[7];
+
+ /* There are six 4-byte address registers, plus the FP and SP. */
+ int *__aregs[6];
+ int *__fp;
+ int *__sp;
+
+#if defined __HAVE_68881__ || defined __HAVE_FPU__
+ /* There are eight floating point registers which
+ are saved in IEEE 96-bit extended format. */
+ char __fpregs[8 * (96 / 8)];
+#endif
+
+ } __jmp_buf[1];
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)->__sp)
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