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-rw-r--r--sysdeps/powerpc/bits/fenv.h128
-rw-r--r--sysdeps/powerpc/bits/mathdef.h72
-rw-r--r--sysdeps/powerpc/bits/mathinline.h70
-rw-r--r--sysdeps/powerpc/bits/setjmp.h19
4 files changed, 289 insertions, 0 deletions
diff --git a/sysdeps/powerpc/bits/fenv.h b/sysdeps/powerpc/bits/fenv.h
new file mode 100644
index 0000000000..9158a54586
--- /dev/null
+++ b/sysdeps/powerpc/bits/fenv.h
@@ -0,0 +1,128 @@
+/* Copyright (C) 1997 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+
+/* Define bits representing the exception.  We use the bit positions of
+   the appropriate bits in the FPSCR...  */
+enum
+  {
+    FE_INEXACT = 1 << 31-6,
+#define FE_INEXACT	FE_INEXACT
+    FE_DIVBYZERO = 1 << 31-5,
+#define FE_DIVBYZERO	FE_DIVBYZERO
+    FE_UNDERFLOW = 1 << 31-4,
+#define FE_UNDERFLOW	FE_UNDERFLOW
+    FE_OVERFLOW = 1 << 31-3,
+#define FE_OVERFLOW	FE_OVERFLOW
+
+    /* ... except for FE_INVALID, for which we use bit 31. FE_INVALID
+       actually corresponds to bits 7 through 12 and 21 through 23
+       in the FPSCR, but we can't use that because the current draft
+       says that it must be a power of 2.  Instead we use bit 24 which
+       is the enable bit for all the FE_INVALID exceptions.  */
+    FE_INVALID = 1 << 31-24,
+#define FE_INVALID	FE_INVALID
+
+#ifdef __USE_GNU
+    /* Breakdown of the FE_INVALID bits. Setting FE_INVALID on an
+       input to a routine is equivalent to setting all of these bits;
+       FE_INVALID will be set on output from a routine iff one of
+       these bits is set.  Note, though, that you can't disable or
+       enable these exceptions individually.  */
+
+    /* Operation with SNaN. */
+    FE_INVALID_SNAN = 1 << 31-7,
+#define FE_INVALID_SNAN	FE_INVALID_SNAN
+
+    /* Inf - Inf */
+    FE_INVALID_ISI = 1 << 31-8,
+#define FE_INVALID_ISI	FE_INVALID_ISI
+
+    /* Inf / Inf */
+    FE_INVALID_IDI = 1 << 31-9,
+#define FE_INVALID_IDI	FE_INVALID_IDI
+
+    /* 0 / 0 */
+    FE_INVALID_ZDZ = 1 << 31-10,
+#define FE_INVALID_ZDZ	FE_INVALID_ZDZ
+
+    /* Inf * 0 */
+    FE_INVALID_IMZ = 1 << 31-11,
+#define FE_INVALID_IMZ	FE_INVALID_IMZ
+
+    /* Comparison with NaN or SNaN. */
+    FE_INVALID_COMPARE = 1 << 31-12,
+#define FE_INVALID_COMPARE	FE_INVALID_COMPARE
+
+    /* Invalid operation flag for software (not set by hardware). */
+    FE_INVALID_SOFTWARE = 1 << 31-21,
+#define FE_INVALID_SOFTWARE	FE_INVALID_SOFTWARE
+
+    /* Square root of negative number (including -Inf). */
+    FE_INVALID_SQRT = 1 << 31-22,
+#define FE_INVALID_SQRT	FE_INVALID_SQRT
+
+    /* Conversion-to-integer of a NaN or a number too large or too small. */
+    FE_INVALID_INTEGER_CONVERSION = 1 << 31-23,
+#define FE_INVALID_INTEGER_CONVERSION	FE_INVALID_INTEGER_CONVERSION
+
+#define FE_ALL_INVALID \
+        (FE_INVALID_SNAN | FE_INVALID_ISI | FE_INVALID_IDI | FE_INVALID_ZDZ \
+	 | FE_INVALID_IMZ | FE_INVALID_COMPARE | FE_INVALID_SOFTWARE \
+	 | FE_INVALID_SQRT | FE_INVALID_INTEGER_CONVERSION)
+#endif
+  };
+
+#define FE_ALL_EXCEPT \
+	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* PowerPC chips support all of the four defined rounding modes.  We
+   use the bit pattern in the FPSCR as the values for the
+   appropriate macros.  */
+enum
+  {
+    FE_TONEAREST = 0,
+#define FE_TONEAREST	FE_TONEAREST
+    FE_TOWARDSZERO = 1,
+#define FE_TOWARDSZERO	FE_TOWARDSZERO
+    FE_UPWARD = 2,
+#define FE_UPWARD	FE_UPWARD
+    FE_DOWNWARD = 3,
+#define FE_DOWNWARD	FE_DOWNWARD
+  };
+
+/* Type representing exception flags.  */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment.  We leave it as 'double'
+   for efficiency reasons (rather than writing it to a 32-bit integer). */
+typedef double fenv_t;
+
+/* If the default argument is used we use this value.  */
+extern const fenv_t __fe_dfl_env;
+#define FE_DFL_ENV	(&__fe_dfl_env);
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exceptions are masked.  */
+extern const fenv_t __fe_nomask_env;
+# define FE_NOMASK_ENV	(&__fe_nomask_env);
+#endif
diff --git a/sysdeps/powerpc/bits/mathdef.h b/sysdeps/powerpc/bits/mathdef.h
new file mode 100644
index 0000000000..c0e6caa843
--- /dev/null
+++ b/sysdeps/powerpc/bits/mathdef.h
@@ -0,0 +1,72 @@
+/* Copyright (C) 1997 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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/mathdef.h> directly; include <math.h> instead"
+#endif
+
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+   it should not be part of libc!
+
+   FIXME! This file does not deal with the -fshort-double option of
+   gcc! */
+
+#ifdef __GNUC__
+#if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is, I think.  */
+typedef float float_t;		/* `float' expressions are evaluated as
+				   `float'.  */
+typedef double double_t;	/* `double' expressions are evaluated as
+				   `double'.  */
+
+/* Signal that types stay as they were declared.  */
+#define FLT_EVAL_METHOD	0
+
+/* Define `INFINITY' as value of type `float_t'.  */
+#define INFINITY	HUGE_VALF
+
+#else 
+
+/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
+typedef double float_t;		/* `float' expressions are evaluated as
+				   `double'.  */
+typedef double double_t;	/* `double' expressions are evaluated as
+				   `double'.  */
+
+/* Signal that both types are `double'.  */
+#define FLT_EVAL_METHOD	1
+
+/* Define `INFINITY' as value of type `float_t'.  */
+#define INFINITY	HUGE_VAL
+
+#endif
+#else
+
+/* Wild guess at types for float_t and double_t. */
+typedef double float_t;
+typedef double double_t;
+
+/* Strange compiler, we don't know how it works.  */
+#define FLT_EVAL_METHOD	-1
+
+/* Define `INFINITY' as value of type `float_t'.  */
+#define INFINITY	HUGE_VAL
+
+#endif
diff --git a/sysdeps/powerpc/bits/mathinline.h b/sysdeps/powerpc/bits/mathinline.h
new file mode 100644
index 0000000000..db9688cfc5
--- /dev/null
+++ b/sysdeps/powerpc/bits/mathinline.h
@@ -0,0 +1,70 @@
+/* Inline math functions for powerpc.
+   Copyright (C) 1995, 1996, 1997 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __MATH_H
+#define __MATH_H
+
+#ifdef __GNUC__
+#ifndef __NO_MATH_INLINES
+
+#ifdef __cplusplus
+#define        __MATH_INLINE __inline
+#else
+#define        __MATH_INLINE extern __inline
+#endif
+
+__MATH_INLINE double __sgn1 (double __x);
+__MATH_INLINE double
+__sgn1 (double __x)
+{
+  return __x >= 0.0 ? 1.0 : -1.0;
+}
+
+/* We'd want to use this if it was implemented in hardware, but
+   how can we tell? */
+#if 0
+__MATH_INLINE double sqrt (double __x);
+__MATH_INLINE double
+sqrt (double __x)
+{
+  register double __value;
+  __asm
+    ("fsqrt %0,%1"
+     : "=f" (__value) : "f" (__x));
+
+  return __value;
+}
+#endif
+
+__MATH_INLINE double fabs (double __x);
+__MATH_INLINE double
+fabs (double __x)
+{
+  register double __value;
+  __asm
+    ("fabs %0,%1"
+     : "=f" (__value) : "f" (__x));
+
+  return __value;
+}
+
+#endif /* __NO_MATH_INLINES  */
+#endif /* __GNUC__  */
+
+#endif /* __MATH_H  */
diff --git a/sysdeps/powerpc/bits/setjmp.h b/sysdeps/powerpc/bits/setjmp.h
new file mode 100644
index 0000000000..a9cab03fc6
--- /dev/null
+++ b/sysdeps/powerpc/bits/setjmp.h
@@ -0,0 +1,19 @@
+/* Define the machine-dependent type `jmp_buf'.  PowerPC version.  */
+
+/* The previous bits/setjmp.h had __jmp_buf defined as a structure.
+   We use an array of 'long int' instead, to make writing the
+   assembler easier. Naturally, user code should not depend on
+   either representation. */
+
+#if	defined (__USE_MISC) || defined (_ASM)
+#define JB_GPR1  0   /* also known as the stack pointer */
+#define JB_GPR2  1
+#define JB_LR    2
+#define JB_GPRS  3   /* GPRs 14 through 31 are saved, 18 in total */
+#define JB_UNUSED 21 /* it's sometimes faster to store doubles word-aligned */
+#define JB_FPRS  22  /* FPRs 14 through 31 are saved, 18*2 words total */
+#endif
+
+#ifndef	_ASM
+typedef long int __jmp_buf[58];
+#endif
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