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| author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
| commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
| tree | b5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/arm/fpu/bits | |
| parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/arm/fpu/bits')
| -rw-r--r-- | sysdeps/arm/fpu/bits/fenv.h | 58 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/bits/mathdef.h | 44 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/bits/setjmp.h | 36 |
3 files changed, 138 insertions, 0 deletions
diff --git a/sysdeps/arm/fpu/bits/fenv.h b/sysdeps/arm/fpu/bits/fenv.h new file mode 100644 index 0000000000..7bd242385f --- /dev/null +++ b/sysdeps/arm/fpu/bits/fenv.h @@ -0,0 +1,58 @@ +/* Copyright (C) 1997, 1998, 1999 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 _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + +/* Define bits representing exceptions in the FPU status word. */ +enum + { + FE_INVALID = 1, +#define FE_INVALID FE_INVALID + FE_DIVBYZERO = 2, +#define FE_DIVBYZERO FE_DIVBYZERO + FE_OVERFLOW = 4, +#define FE_OVERFLOW FE_OVERFLOW + FE_UNDERFLOW = 8, +#define FE_UNDERFLOW FE_UNDERFLOW + }; + +/* Amount to shift by to convert an exception to a mask bit. */ +#define FE_EXCEPT_SHIFT 16 + +/* All supported exceptions. */ +#define FE_ALL_EXCEPT \ + (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) + +/* The ARM FPU basically only supports round-to-nearest. Other rounding + modes exist, but you have to encode them in the actual instruction. */ +#define FE_TONEAREST 0 + +/* Type representing exception flags. */ +typedef unsigned long int fexcept_t; + +/* Type representing floating-point environment. */ +typedef struct + { + unsigned long int __cw; + } +fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((fenv_t *) -1l) diff --git a/sysdeps/arm/fpu/bits/mathdef.h b/sysdeps/arm/fpu/bits/mathdef.h new file mode 100644 index 0000000000..e013e74b7e --- /dev/null +++ b/sysdeps/arm/fpu/bits/mathdef.h @@ -0,0 +1,44 @@ +/* Copyright (C) 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. */ + +#if !defined _MATH_H && !defined _COMPLEX_H +# error "Never use <bits/mathdef.h> directly; include <math.h> instead" +#endif + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +/* GCC does not promote `float' values to `double'. */ +typedef float float_t; /* `float' expressions are evaluated as + `float'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 (-2147483647) +# define FP_ILOGBNAN (2147483647) + +#endif /* ISO C99 */ + +#ifndef __NO_LONG_DOUBLE_MATH +/* Signal that we do not really have a `long double'. This disables the + declaration of all the `long double' function variants. */ +/* XXX The FPA does support this but the patterns in GCC are currently + turned off. */ +# define __NO_LONG_DOUBLE_MATH 1 +#endif diff --git a/sysdeps/arm/fpu/bits/setjmp.h b/sysdeps/arm/fpu/bits/setjmp.h new file mode 100644 index 0000000000..dd85243032 --- /dev/null +++ b/sysdeps/arm/fpu/bits/setjmp.h @@ -0,0 +1,36 @@ +/* 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'. ARM version. */ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +#ifndef _ASM +/* Jump buffer contains v1-v6, sl, fp, sp and pc. Other registers are not + saved. */ +typedef int __jmp_buf[22]; +#endif + +#define __JMP_BUF_SP 20 + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf[__JMP_BUF_SP])) |