-/* Copyright (C) 1992, 1995, 1997, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ 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 <sgidefs.h>
#include <stdlib.h>
-#undef __longjmp
-
#ifndef __GNUC__
#error This file uses GNU C extensions; you must compile with GCC.
#endif
void
-__longjmp (env, val_arg)
- __jmp_buf env;
- int val_arg;
+__longjmp (__jmp_buf env_arg, int val_arg)
{
/* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before
the hack around it); force it to use $a1 for the longjmp value.
Without this it saves $a1 in a register which gets clobbered
along the way. */
+ register struct __jmp_buf_internal_tag *env asm ("a0");
register int val asm ("a1");
+#ifdef CHECK_SP
+ register long long sp asm ("$29");
+ CHECK_SP (env[0].__sp, sp, long long);
+#endif
+#ifdef __mips_hard_float
/* Pull back the floating point callee-saved registers. */
+#if _MIPS_SIM == _ABI64
asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[0]));
asm volatile ("l.d $f25, %0" : : "m" (env[0].__fpregs[1]));
asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[2]));
asm volatile ("l.d $f29, %0" : : "m" (env[0].__fpregs[5]));
asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[6]));
asm volatile ("l.d $f31, %0" : : "m" (env[0].__fpregs[7]));
-
- /* Restore the stack pointer. */
- asm volatile ("ld $29, %0" : : "m" (env[0].__sp));
-
- /* Get and reconstruct the floating point csr. */
- asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr));
- asm volatile ("ctc1 $2, $31");
-
- /* Get the FP. */
- asm volatile ("ld $30, %0" : : "m" (env[0].__fp));
+#else
+ asm volatile ("l.d $f20, %0" : : "m" (env[0].__fpregs[0]));
+ asm volatile ("l.d $f22, %0" : : "m" (env[0].__fpregs[1]));
+ asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[2]));
+ asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[3]));
+ asm volatile ("l.d $f28, %0" : : "m" (env[0].__fpregs[4]));
+ asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[5]));
+#endif
+#endif
/* Get the GP. */
asm volatile ("ld $gp, %0" : : "m" (env[0].__gp));
/* Get the PC. */
asm volatile ("ld $31, %0" : : "m" (env[0].__pc));
- /* Give setjmp 1 if given a 0, or what they gave us if non-zero. */
+
+ /* Restore the stack pointer and the FP. They have to be restored
+ last and in a single asm as gcc, depending on options used, may
+ use either of them to access env. */
+ asm volatile ("ld $29, %0\n\t"
+ "ld $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp));
+
+/* Give setjmp 1 if given a 0, or what they gave us if non-zero. */
if (val == 0)
asm volatile ("dli $2, 1");
else