From 847b055c6567cbe6e154b2006a0a77ed0f48d623 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Wed, 2 Aug 2000 15:15:00 +0000 Subject: Update. 2000-08-02 Andreas Jaeger * sysdeps/unix/sysv/linux/s390/Dist: New file. * sysdeps/unix/sysv/linux/s390/sysdep.h: New file. * sysdeps/unix/sysv/linux/s390/sysdep.S: New file. * sysdeps/unix/sysv/linux/s390/syscall.S: New file. * sysdeps/unix/sysv/linux/s390/sys/user.h: New file. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h: New file. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: New file. * sysdeps/unix/sysv/linux/s390/sys/elf.h: New file. * sysdeps/unix/sysv/linux/s390/socket.S: New file. * sysdeps/unix/sysv/linux/s390/sigcontextinfo.h: New file. * sysdeps/unix/sysv/linux/s390/shmctl.c: New file. * sysdeps/unix/sysv/linux/s390/setreuid.c: New file. * sysdeps/unix/sysv/linux/s390/setresuid.c: New file. * sysdeps/unix/sysv/linux/s390/setresgid.c: New file. * sysdeps/unix/sysv/linux/s390/setregid.c: New file. * sysdeps/unix/sysv/linux/s390/setgroups.c: New file. * sysdeps/unix/sysv/linux/s390/setgid.c: New file. * sysdeps/unix/sysv/linux/s390/setfsuid.c: New file. * sysdeps/unix/sysv/linux/s390/setfsgid.c: New file. * sysdeps/unix/sysv/linux/s390/seteuid.c: New file. * sysdeps/unix/sysv/linux/s390/setegid.c: New file. * sysdeps/unix/sysv/linux/s390/semctl.c: New file. * sysdeps/unix/sysv/linux/s390/register-dump.h: New file. * sysdeps/unix/sysv/linux/s390/putpmsg.c: New file. * sysdeps/unix/sysv/linux/s390/putmsg.c: New file. * sysdeps/unix/sysv/linux/s390/profil-counter.h: New file. * sysdeps/unix/sysv/linux/s390/msgctl.c: New file. * sysdeps/unix/sysv/linux/s390/mmap.S: New file. * sysdeps/unix/sysv/linux/s390/getuid.c: New file. * sysdeps/unix/sysv/linux/s390/getresuid.c: New file. * sysdeps/unix/sysv/linux/s390/getresgid.c: New file. * sysdeps/unix/sysv/linux/s390/getpmsg.c: New file. * sysdeps/unix/sysv/linux/s390/getmsg.c: New file. * sysdeps/unix/sysv/linux/s390/getgroups.c: New file. * sysdeps/unix/sysv/linux/s390/getegid.c: New file. * sysdeps/unix/sysv/linux/s390/geteuid.c: New file. * sysdeps/unix/sysv/linux/s390/fchown.c: New file. * sysdeps/unix/sysv/linux/s390/clone.S: New file. * sysdeps/unix/sysv/linux/s390/brk.c: New file. * sysdeps/unix/sysv/linux/s390/bits/time.h: New file. * sysdeps/unix/sysv/linux/s390/bits/resource.h: New file. * sysdeps/unix/sysv/linux/s390/bits/mman.h: New file. * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: New file. * sysdeps/unix/sysv/linux/s390/Makefile: New file. * sysdeps/s390/sysdep.h: New file. * sysdeps/s390/sys/ucontext.h: New file. * sysdeps/s390/sub_n.S: New file. * sysdeps/s390/strncpy.S: New file. * sysdeps/s390/strcpy.S: New file. * sysdeps/s390/stackinfo.h: New file. * sysdeps/s390/setjmp.S: New file. * sysdeps/s390/s390-mcount.S: New file. * sysdeps/s390/mul_1.S: New file. * sysdeps/s390/memusage.h: New file. * sysdeps/s390/memset.S: New file. * sysdeps/s390/memcpy.S: New file. * sysdeps/s390/memchr.S: New file. * sysdeps/s390/machine-gmon.h: New file. * sysdeps/s390/ldbl2mpn.c: New file. * sysdeps/s390/gmp-mparam.h: New file. * sysdeps/s390/fpu/fpu_control.h: New file. * sysdeps/s390/fpu/fesetround.c: New file. * sysdeps/s390/fpu/fegetround.c: New file. * sysdeps/s390/fpu/fclrexcpt.c: New file. * sysdeps/s390/fpu/bits/fenv.h: New file. * sysdeps/s390/ffs.c: New file. * sysdeps/s390/elf/start.S: New file. * sysdeps/s390/elf/setjmp.S: New file. * sysdeps/s390/elf/bsd-setjmp.S: New file. * sysdeps/s390/elf/bsd-_setjmp.S: New file. * sysdeps/s390/dl-machine.h: New file. * sysdeps/s390/bzero.S: New file. * sysdeps/s390/bsd-setjmp.S: New file. * sysdeps/s390/bsd-_setjmp.S: New file. * sysdeps/s390/bits/string.h: New file. * sysdeps/s390/bits/setjmp.h: New file. * sysdeps/s390/bits/huge_val.h: New file. * sysdeps/s390/bits/endian.h: New file. * sysdeps/s390/bits/byteswap.h: New file. * sysdeps/s390/bcopy.S: New file. * sysdeps/s390/backtrace.c: New file. * sysdeps/s390/atomicity.h: New file. * sysdeps/s390/asm-syntax.h: New file. * sysdeps/s390/addmul_1.S: New file. * sysdeps/s390/add_n.S: New file. * sysdeps/s390/abort-instr.h: New file. * sysdeps/s390/__longjmp.c: New file. * sysdeps/s390/Makefile: New file. * sysdeps/s390/Implies: New file. * sysdeps/s390/Dist: New file. Patches by Martin Schwidefsky . --- sysdeps/s390/fpu/bits/fenv.h | 90 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 sysdeps/s390/fpu/bits/fenv.h (limited to 'sysdeps/s390/fpu/bits') diff --git a/sysdeps/s390/fpu/bits/fenv.h b/sysdeps/s390/fpu/bits/fenv.h new file mode 100644 index 0000000000..81732b9972 --- /dev/null +++ b/sysdeps/s390/fpu/bits/fenv.h @@ -0,0 +1,90 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). + + 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 directly; include instead." +#endif + +/* Define bits representing the exception. We use the bit positions + of the appropriate bits in the FPU control word. */ +enum + { + FE_INVALID = 0x80, +#define FE_INVALID FE_INVALID + FE_DIVBYZERO = 0x40, +#define FE_DIVBYZERO FE_DIVBYZERO + FE_OVERFLOW = 0x20, +#define FE_OVERFLOW FE_OVERFLOW + FE_UNDERFLOW = 0x10, +#define FE_UNDERFLOW FE_UNDERFLOW + FE_INEXACT = 0x08 +#define FE_INEXACT FE_INEXACT + }; +/* We dont use the y bit of the DXC in the floating point control register + * as glibc has no FE encoding for fe inexact incremented + * or fe inexact truncated. + * We currently use the flag bits in the fpc + * as these are sticky for feholdenv & feupdatenv as it is defined + * in the HP Manpages. + */ + + +#define FE_ALL_EXCEPT \ + (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) + +enum + { + FE_TONEAREST = 0, +#define FE_TONEAREST FE_TONEAREST + FE_DOWNWARD = 0x3, +#define FE_DOWNWARD FE_DOWNWARD + FE_UPWARD = 0x2, +#define FE_UPWARD FE_UPWARD + FE_TOWARDZERO = 0x1 +#define FE_TOWARDZERO FE_TOWARDZERO + }; + +#define FPC_EXCEPTION_MASK_SHIFT 24 +#define FPC_FLAGS_SHIFT 16 +#define FPC_DXC_SHIFT 8 +#define FPC_NOT_FPU_EXCEPTION 0x300 + + +/* Type representing exception flags. */ +typedef unsigned int fexcept_t; /* size of fpc */ + + +/* Type representing floating-point environment. This function corresponds + to the layout of the block written by the `fstenv'. */ +typedef struct +{ + fexcept_t fpc; + void *ieee_instruction_pointer; + /* failing instruction for ieee exceptions */ +} fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((fenv_t *) -1) + +#ifdef __USE_GNU +/* Floating-point environment where none of the exceptions are masked. */ +#define FE_NOMASK_ENV ((fenv_t *) -2) +#endif -- cgit 1.4.1