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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* Private macros for accessing __jmp_buf contents. Nios II version.
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Copyright (C) 2006-2017 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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<http://www.gnu.org/licenses/>. */
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/* Save offsets within __jmp_buf. */
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#define JB_R16 0
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#define JB_R17 1
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#define JB_R18 2
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#define JB_R19 3
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#define JB_R20 4
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#define JB_R21 5
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#define JB_R22 6
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#define JB_FP 7
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#define JB_RA 8
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#define JB_SP 9
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#ifndef __ASSEMBLER__
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#include <setjmp.h>
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#include <stdint.h>
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#include <sysdep.h>
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static inline uintptr_t __attribute__ ((unused))
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_jmpbuf_sp (__jmp_buf jmpbuf)
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{
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uintptr_t sp = jmpbuf[JB_SP];
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#ifdef PTR_DEMANGLE
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PTR_DEMANGLE (sp);
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#endif
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return sp;
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}
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#endif
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/* Helper for generic ____longjmp_chk(). */
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#define JB_FRAME_ADDRESS(buf) ((void *) _jmpbuf_sp (buf))
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