diff options
Diffstat (limited to 'ports/sysdeps/mips/mips64/bsd-_setjmp.S')
| -rw-r--r-- | ports/sysdeps/mips/mips64/bsd-_setjmp.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/mips64/bsd-_setjmp.S b/ports/sysdeps/mips/mips64/bsd-_setjmp.S new file mode 100644 index 0000000000..4debc4f895 --- /dev/null +++ b/ports/sysdeps/mips/mips64/bsd-_setjmp.S @@ -0,0 +1,48 @@ +/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. MIPS64 version. + Copyright (C) 1996, 1997, 2000, 2002, 2003, 2004 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + <http://www.gnu.org/licenses/>. */ + +/* This just does a tail-call to `__sigsetjmp (ARG, 0)'. + We cannot do it in C because it must be a tail-call, so frame-unwinding + in setjmp doesn't clobber the state restored by longjmp. */ + +#include <sgidefs.h> +#include <sysdep.h> +#include <sys/asm.h> + +#ifdef __PIC__ + .option pic2 +#endif +ENTRY (_setjmp) +#ifdef __PIC__ + SETUP_GP +#endif + SETUP_GP64 (v0, C_SYMBOL_NAME (_setjmp)) + PTR_LA t9, C_SYMBOL_NAME (__sigsetjmp) +#if _MIPS_SIM == _ABIO32 + nop +#endif + RESTORE_GP64 + move a1, zero /* Pass a second argument of zero. */ +#ifdef __PIC__ + jr t9 +#else + j C_SYMBOL_NAME (__sigsetjmp) +#endif + .end _setjmp +libc_hidden_def (_setjmp) |