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61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* Copyright (C) 2000-2025 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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/* Define the machine-dependent type `jmp_buf'. HPPA version. */
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#ifndef _BITS_SETJMP_H
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#define _BITS_SETJMP_H 1
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#if !defined _SETJMP_H && !defined _PTHREAD_H
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# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
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#endif
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#ifndef _ASM
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/* The entire jump buffer must be 168 bytes long and laid
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out in exactly as follows for ABI consistency.
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* 20 x 32-bit gprs, with 8-bytes of padding, arranged so:
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- r3 (callee saves)
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- 4 bytes of padding.
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- r4-r18 (callee saves)
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- r19 (PIC register)
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- r27 (static link register)
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- r30 (stcack pointer)
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- r2 (return pointer)
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- 4 bytes of padding.
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* 10 x 64-bit fprs in this order:
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- fr12-fr21 (callee saves)
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Note: We have 8 bytes of free space for future uses. */
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typedef union __jmp_buf_internal_tag
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{
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struct
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{
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int __r3;
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int __pad0;
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int __r4_r18[15];
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int __r19;
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int __r27;
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int __sp;
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int __rp;
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int __pad1;
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double __fr12_fr21[10];
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} __jmp_buf;
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/* Legacy definition. Ensures double alignment for fpsrs. */
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double __align[21];
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} __jmp_buf[1];
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#endif
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#endif /* bits/setjmp.h */
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