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30891f35fa
We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
82 lines
3.3 KiB
C
82 lines
3.3 KiB
C
/* Copyright (C) 1996-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _BITS_SIGCONTEXT_H
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#define _BITS_SIGCONTEXT_H 1
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#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
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# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
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#endif
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#define __need_size_t
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#include <stddef.h>
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#include <bits/sigstack.h>
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#include <bits/types/struct_sigstack.h>
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#include <bits/types/stack_t.h>
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#include <bits/ss_flags.h>
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struct __ia64_fpreg
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{
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union
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{
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unsigned long bits[2];
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} u;
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} __attribute__ ((__aligned__ (16)));
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struct sigcontext
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{
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unsigned long int sc_flags; /* see manifest constants below */
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unsigned long int sc_nat; /* bit i == 1 iff scratch reg gr[i] is a NaT */
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stack_t sc_stack; /* previously active stack */
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unsigned long int sc_ip; /* instruction pointer */
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unsigned long int sc_cfm; /* current frame marker */
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unsigned long int sc_um; /* user mask bits */
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unsigned long int sc_ar_rsc; /* register stack configuration register */
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unsigned long int sc_ar_bsp; /* backing store pointer */
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unsigned long int sc_ar_rnat; /* RSE NaT collection register */
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unsigned long int sc_ar_ccv; /* compare & exchange compare value register */
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unsigned long int sc_ar_unat; /* ar.unat of interrupted context */
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unsigned long int sc_ar_fpsr; /* floating-point status register */
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unsigned long int sc_ar_pfs; /* previous function state */
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unsigned long int sc_ar_lc; /* loop count register */
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unsigned long int sc_pr; /* predicate registers */
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unsigned long int sc_br[8]; /* branch registers */
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unsigned long int sc_gr[32]; /* general registers (static partition) */
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struct __ia64_fpreg sc_fr[128]; /* floating-point registers */
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unsigned long int sc_rbs_base;/* NULL or new base of sighandler's rbs */
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unsigned long int sc_loadrs; /* see description above */
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unsigned long int sc_ar25; /* cmp8xchg16 uses this */
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unsigned long int sc_ar26; /* rsvd for scratch use */
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unsigned long int sc_rsvd[12];/* reserved for future use */
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/* sc_mask is actually an sigset_t but we don't want to
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* include the kernel headers here. */
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unsigned long int sc_mask; /* signal mask to restore after handler returns */
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};
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/* sc_flag bit definitions. */
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#define IA64_SC_FLAG_ONSTACK_BIT 0 /* is handler running on signal stack? */
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#define IA64_SC_FLAG_IN_SYSCALL_BIT 1 /* did signal interrupt a syscall? */
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#define IA64_SC_FLAG_FPH_VALID_BIT 2 /* is state in f[32]-f[127] valid? */
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#define IA64_SC_FLAG_ONSTACK (1 << IA64_SC_FLAG_ONSTACK_BIT)
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#define IA64_SC_FLAG_IN_SYSCALL (1 << IA64_SC_FLAG_IN_SYSCALL_BIT)
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#define IA64_SC_FLAG_FPH_VALID (1 << IA64_SC_FLAG_FPH_VALID_BIT)
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#endif /* _BITS_SIGCONTEXT_H */
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