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87b9b50f0d
ptrace call to get the ieee_instruction_pointer from the kernel. * sysdeps/s390/fpu/fesetenv.c (fesetenv): Remove PTRACE_POKEUSER ptrace call to set the ieee_instructtion_pointer. * sysdeps/unix/sysv/linux/s390/sys/user.h (struct _user_regs_struct): Add comment that ieee_instruction_pointer is always 0.
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/* Store current floating-point environment.
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Copyright (C) 2000, 2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <fenv_libc.h>
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#include <fpu_control.h>
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#include <stddef.h>
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#include <asm/ptrace.h>
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#include <sys/ptrace.h>
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#include <unistd.h>
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int
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fegetenv (fenv_t *envp)
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{
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_FPU_GETCW (envp->fpc);
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/* Success. */
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return 0;
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}
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