diff options
Diffstat (limited to 'sysdeps/arm/fpu')
| -rw-r--r-- | sysdeps/arm/fpu/__longjmp.S | 36 | ||||
| -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 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fclrexcpt.c | 50 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fedisblxcpt.c | 40 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/feenablxcpt.c | 40 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fegetenv.c | 40 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fegetexcept.c | 32 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fegetround.c | 26 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/feholdexcpt.c | 37 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fesetenv.c | 45 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fesetround.c | 27 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fpu_control.h | 102 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fraiseexcpt.c | 44 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/fsetexcptflg.c | 49 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/ftestexcept.c | 32 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/setjmp.S | 35 |
18 files changed, 0 insertions, 773 deletions
diff --git a/sysdeps/arm/fpu/__longjmp.S b/sysdeps/arm/fpu/__longjmp.S deleted file mode 100644 index 90efeec1eb..0000000000 --- a/sysdeps/arm/fpu/__longjmp.S +++ /dev/null @@ -1,36 +0,0 @@ -/* longjmp for ARM. - 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. */ - -#include <sysdep.h> -#define _SETJMP_H -#define _ASM -#include <bits/setjmp.h> - -/* __longjmp(jmpbuf, val) */ - -ENTRY (__longjmp) - mov ip, r0 /* save jmp_buf pointer */ - - movs r0, r1 /* get the return value in place */ - moveq r0, #1 /* can't let setjmp() return zero! */ - - lfmfd f4, 4, [ip] ! /* load the floating point regs */ - - LOADREGS(ia, ip, {v1-v6, sl, fp, sp, pc}) -END (__longjmp) diff --git a/sysdeps/arm/fpu/bits/fenv.h b/sysdeps/arm/fpu/bits/fenv.h deleted file mode 100644 index 7bd242385f..0000000000 --- a/sysdeps/arm/fpu/bits/fenv.h +++ /dev/null @@ -1,58 +0,0 @@ -/* 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 deleted file mode 100644 index e013e74b7e..0000000000 --- a/sysdeps/arm/fpu/bits/mathdef.h +++ /dev/null @@ -1,44 +0,0 @@ -/* 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 deleted file mode 100644 index dd85243032..0000000000 --- a/sysdeps/arm/fpu/bits/setjmp.h +++ /dev/null @@ -1,36 +0,0 @@ -/* 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])) diff --git a/sysdeps/arm/fpu/fclrexcpt.c b/sysdeps/arm/fpu/fclrexcpt.c deleted file mode 100644 index c6a53df45a..0000000000 --- a/sysdeps/arm/fpu/fclrexcpt.c +++ /dev/null @@ -1,50 +0,0 @@ -/* Clear given exceptions in current floating-point environment. - Copyright (C) 1997,98,99,2000,01 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -__feclearexcept (int excepts) -{ - unsigned long int temp; - - /* Mask out unsupported bits/exceptions. */ - excepts &= FE_ALL_EXCEPT; - - /* Get the current floating point status. */ - _FPU_GETCW (temp); - - /* Clear the relevant bits. */ - temp &= excepts ^ FE_ALL_EXCEPT; - - /* Put the new data in effect. */ - _FPU_SETCW (temp); - - /* Success. */ - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__feclearexcept, __old_feclearexcept) -compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1); -#endif - -versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2); diff --git a/sysdeps/arm/fpu/fedisblxcpt.c b/sysdeps/arm/fpu/fedisblxcpt.c deleted file mode 100644 index 91f60a9c90..0000000000 --- a/sysdeps/arm/fpu/fedisblxcpt.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Disable floating-point exceptions. - Copyright (C) 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Philip Blundell <philb@gnu.org>, 2001. - - 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -fedisableexcept (int excepts) -{ - unsigned long int new_exc, old_exc; - - _FPU_GETCW(new_exc); - - old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; - - excepts &= FE_ALL_EXCEPT; - - new_exc &= ~(excepts << FE_EXCEPT_SHIFT); - - _FPU_SETCW(new_exc); - - return old_exc; -} diff --git a/sysdeps/arm/fpu/feenablxcpt.c b/sysdeps/arm/fpu/feenablxcpt.c deleted file mode 100644 index e77e45a523..0000000000 --- a/sysdeps/arm/fpu/feenablxcpt.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Enable floating-point exceptions. - Copyright (C) 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Philip Blundell <philb@gnu.org>, 2001. - - 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -feenableexcept (int excepts) -{ - unsigned long int new_exc, old_exc; - - _FPU_GETCW(new_exc); - - old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; - - excepts &= FE_ALL_EXCEPT; - - new_exc |= (excepts << FE_EXCEPT_SHIFT); - - _FPU_SETCW(new_exc); - - return old_exc; -} diff --git a/sysdeps/arm/fpu/fegetenv.c b/sysdeps/arm/fpu/fegetenv.c deleted file mode 100644 index 0b40f183e2..0000000000 --- a/sysdeps/arm/fpu/fegetenv.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Store current floating-point environment. - Copyright (C) 1997,98,99,2000,01 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -__fegetenv (fenv_t *envp) -{ - unsigned long int temp; - _FPU_GETCW (temp); - envp->__cw = temp; - - /* Success. */ - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__fegetenv, __old_fegetenv) -compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1); -#endif - -versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2); diff --git a/sysdeps/arm/fpu/fegetexcept.c b/sysdeps/arm/fpu/fegetexcept.c deleted file mode 100644 index 653c8d5a0d..0000000000 --- a/sysdeps/arm/fpu/fegetexcept.c +++ /dev/null @@ -1,32 +0,0 @@ -/* Get floating-point exceptions. - Copyright (C) 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Philip Blundell <philb@gnu.org>, 2001 - - 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -fegetexcept (void) -{ - unsigned long temp; - - _FPU_GETCW (temp); - - return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; -} diff --git a/sysdeps/arm/fpu/fegetround.c b/sysdeps/arm/fpu/fegetround.c deleted file mode 100644 index 6bf65f5b5e..0000000000 --- a/sysdeps/arm/fpu/fegetround.c +++ /dev/null @@ -1,26 +0,0 @@ -/* Return current rounding direction. - 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. */ - -#include <fenv.h> - -int -fegetround (void) -{ - return FE_TONEAREST; /* Easy. :-) */ -} diff --git a/sysdeps/arm/fpu/feholdexcpt.c b/sysdeps/arm/fpu/feholdexcpt.c deleted file mode 100644 index 203b068aae..0000000000 --- a/sysdeps/arm/fpu/feholdexcpt.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Store current floating-point environment and clear exceptions. - 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -feholdexcept (fenv_t *envp) -{ - unsigned long int temp; - - /* Store the environment. */ - _FPU_GETCW(temp); - envp->__cw = temp; - - /* Now set all exceptions to non-stop. */ - temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT); - _FPU_SETCW(temp); - - return 0; -} diff --git a/sysdeps/arm/fpu/fesetenv.c b/sysdeps/arm/fpu/fesetenv.c deleted file mode 100644 index bb8812acaf..0000000000 --- a/sysdeps/arm/fpu/fesetenv.c +++ /dev/null @@ -1,45 +0,0 @@ -/* Install given floating-point environment. - Copyright (C) 1997,98,99,2000,01,02 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -__fesetenv (const fenv_t *envp) -{ - if (envp == FE_DFL_ENV) - _FPU_SETCW (_FPU_DEFAULT); - else - { - unsigned long int temp = envp->__cw; - _FPU_SETCW (temp); - } - - /* Success. */ - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__fesetenv, __old_fesetenv) -compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1); -#endif - -libm_hidden_ver (__fesetenv, fesetenv) -versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2); diff --git a/sysdeps/arm/fpu/fesetround.c b/sysdeps/arm/fpu/fesetround.c deleted file mode 100644 index bdb849ff60..0000000000 --- a/sysdeps/arm/fpu/fesetround.c +++ /dev/null @@ -1,27 +0,0 @@ -/* Set current rounding direction. - 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. */ - -#include <fenv.h> - -int -fesetround (int round) -{ - /* We only support FE_TONEAREST, so there is no need for any work. */ - return (round == FE_TONEAREST)?0:1; -} diff --git a/sysdeps/arm/fpu/fpu_control.h b/sysdeps/arm/fpu/fpu_control.h deleted file mode 100644 index 65912e4962..0000000000 --- a/sysdeps/arm/fpu/fpu_control.h +++ /dev/null @@ -1,102 +0,0 @@ -/* FPU control word definitions. ARM version. - Copyright (C) 1996, 1997, 1998, 2000 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 _FPU_CONTROL_H -#define _FPU_CONTROL_H - -/* We have a slight terminology confusion here. On the ARM, the register - * we're interested in is actually the FPU status word - the FPU control - * word is something different (which is implementation-defined and only - * accessible from supervisor mode.) - * - * The FPSR looks like this: - * - * 31-24 23-16 15-8 7-0 - * | system ID | trap enable | system control | exception flags | - * - * We ignore the system ID bits; for interest's sake they are: - * - * 0000 "old" FPE - * 1000 FPPC hardware - * 0001 FPE 400 - * 1001 FPA hardware - * - * The trap enable and exception flags are both structured like this: - * - * 7 - 5 4 3 2 1 0 - * | reserved | INX | UFL | OFL | DVZ | IVO | - * - * where a `1' bit in the enable byte means that the trap can occur, and - * a `1' bit in the flags byte means the exception has occurred. - * - * The exceptions are: - * - * IVO - invalid operation - * DVZ - divide by zero - * OFL - overflow - * UFL - underflow - * INX - inexact (do not use; implementations differ) - * - * The system control byte looks like this: - * - * 7-5 4 3 2 1 0 - * | reserved | AC | EP | SO | NE | ND | - * - * where the bits mean - * - * ND - no denormalised numbers (force them all to zero) - * NE - enable NaN exceptions - * SO - synchronous operation - * EP - use expanded packed-decimal format - * AC - use alternate definition for C flag on compare operations - */ - -/* masking of interrupts */ -#define _FPU_MASK_IM 0x00010000 /* invalid operation */ -#define _FPU_MASK_ZM 0x00020000 /* divide by zero */ -#define _FPU_MASK_OM 0x00040000 /* overflow */ -#define _FPU_MASK_UM 0x00080000 /* underflow */ -#define _FPU_MASK_PM 0x00100000 /* inexact */ -#define _FPU_MASK_DM 0x00000000 /* denormalized operation */ - -/* The system id bytes cannot be changed. - Only the bottom 5 bits in the trap enable byte can be changed. - Only the bottom 5 bits in the system control byte can be changed. - Only the bottom 5 bits in the exception flags are used. - The exception flags are set by the fpu, but can be zeroed by the user. */ -#define _FPU_RESERVED 0xffe0e0e0 /* These bits are reserved. */ - -/* The fdlibm code requires strict IEEE double precision arithmetic, - no interrupts for exceptions, rounding to nearest. Changing the - rounding mode will break long double I/O. Turn on the AC bit, - the compiler generates code that assumes it is on. */ -#define _FPU_DEFAULT 0x00001000 /* Default value. */ -#define _FPU_IEEE 0x001f1000 /* Default + exceptions enabled. */ - -/* Type of the control word. */ -typedef unsigned int fpu_control_t; - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) __asm__ ("rfs %0" : "=r" (cw)) -#define _FPU_SETCW(cw) __asm__ ("wfs %0" : : "r" (cw)) - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -#endif /* _FPU_CONTROL_H */ diff --git a/sysdeps/arm/fpu/fraiseexcpt.c b/sysdeps/arm/fpu/fraiseexcpt.c deleted file mode 100644 index f7dede2fe2..0000000000 --- a/sysdeps/arm/fpu/fraiseexcpt.c +++ /dev/null @@ -1,44 +0,0 @@ -/* Raise given exceptions. - Copyright (C) 1997,98,99,2000,01,02 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. */ - -#include <fenv.h> -#include <fpu_control.h> -#include <math.h> - -int -__feraiseexcept (int excepts) -{ - /* Raise exceptions represented by EXPECTS. */ - fexcept_t temp; - _FPU_GETCW (temp); - temp |= (excepts & FE_ALL_EXCEPT); - _FPU_SETCW (temp); - - /* Success. */ - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__feraiseexcept, __old_feraiseexcept) -compat_symbol (libm, __old_feraiseexcept, feraiseexcept, GLIBC_2_1); -#endif - -libm_hidden_ver (__feraiseexcept, feraiseexcept) -versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2); diff --git a/sysdeps/arm/fpu/fsetexcptflg.c b/sysdeps/arm/fpu/fsetexcptflg.c deleted file mode 100644 index 4e1d2cba4a..0000000000 --- a/sysdeps/arm/fpu/fsetexcptflg.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Set floating-point environment exception handling. - Copyright (C) 1997,98,99,2000,01 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. */ - -#include <fenv.h> -#include <math.h> -#include <fpu_control.h> - -int -__fesetexceptflag (const fexcept_t *flagp, int excepts) -{ - fexcept_t temp; - - /* Get the current environment. */ - _FPU_GETCW (temp); - - /* Set the desired exception mask. */ - temp &= ~((excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT); - temp |= (*flagp & excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT; - - /* Save state back to the FPU. */ - _FPU_SETCW (temp); - - /* Success. */ - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__fesetexceptflag, __old_fesetexceptflag) -compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1); -#endif - -versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2); diff --git a/sysdeps/arm/fpu/ftestexcept.c b/sysdeps/arm/fpu/ftestexcept.c deleted file mode 100644 index 328bcb05fd..0000000000 --- a/sysdeps/arm/fpu/ftestexcept.c +++ /dev/null @@ -1,32 +0,0 @@ -/* Test exception in current environment. - 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. */ - -#include <fenv.h> -#include <fpu_control.h> - -int -fetestexcept (int excepts) -{ - fexcept_t temp; - - /* Get current exceptions. */ - _FPU_GETCW(temp); - - return temp & excepts & FE_ALL_EXCEPT; -} diff --git a/sysdeps/arm/fpu/setjmp.S b/sysdeps/arm/fpu/setjmp.S deleted file mode 100644 index 84328369ac..0000000000 --- a/sysdeps/arm/fpu/setjmp.S +++ /dev/null @@ -1,35 +0,0 @@ -/* setjmp for ARM. - 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. */ - -#include <sysdep.h> -#define _SETJMP_H -#define _ASM -#include <bits/setjmp.h> - -ENTRY (__sigsetjmp) - /* Save registers */ - sfmea f4, 4, [r0]! - stmia r0, {v1-v6, sl, fp, sp, lr} - - /* Restore pointer to jmp_buf */ - sub r0, r0, #48 - - /* Make a tail call to __sigjmp_save; it takes the same args. */ - B PLTJMP(C_SYMBOL_NAME(__sigjmp_save)) -END (__sigsetjmp) |