[thirdparty/glibc.git] / sysdeps / sparc / sparc64 / jmpbuf-unwind.h

/* Copyright (C) 2005-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by David S. Miller <davem@davemloft.net>, 2005.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <setjmp.h>
#include <stdint.h>
#include <unwind.h>

/* Test if longjmp to JMPBUF would unwind the frame
   containing a local variable at ADDRESS.  */
#define _JMPBUF_UNWINDS(jmpbuf, address, demangle)	\
  ((unsigned long int) (address)			\
   < (jmpbuf)->__uc_mcontext.__mc_gregs[MC_O6] + 2047)

#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)

#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
  ((uintptr_t) (_address) - (_adj) \
   < (uintptr_t) (_jmpbuf)[0].__uc_mcontext.__mc_gregs[MC_O6] + 2047 - (_adj))

/* We use the normal lobngjmp for unwinding.  */
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
Commit	Line	Data
2b778ceb	1	/* Copyright (C) 2005-2021 Free Software Foundation, Inc.
edac0e8f UD	2	This file is part of the GNU C Library.
	3	Contributed by David S. Miller <davem@davemloft.net>, 2005.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
59ba27a6	16	License along with the GNU C Library; if not, see
5a82c748	17	<https://www.gnu.org/licenses/>. */
edac0e8f UD	18
	19	#include <setjmp.h>
	20	#include <stdint.h>
	21	#include <unwind.h>
	22
0ca13e14 RM	23	/* Test if longjmp to JMPBUF would unwind the frame
0ca13e14 RM	24	containing a local variable at ADDRESS. */
19641dbd JM	25	#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
	26	((unsigned long int) (address) \
	27	< (jmpbuf)->__uc_mcontext.__mc_gregs[MC_O6] + 2047)
0ca13e14	28
edac0e8f UD	29	#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
	30	_JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
	31
	32	#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
ae11e412	33	((uintptr_t) (_address) - (_adj) \
19641dbd	34	< (uintptr_t) (_jmpbuf)[0].__uc_mcontext.__mc_gregs[MC_O6] + 2047 - (_adj))
edac0e8f UD	35
	36	/* We use the normal lobngjmp for unwinding. */
	37	#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)