/* Copyright (C) 1991, 1992, 1994, 1997, 2001 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include /* Save the current program position in ENV and return 0. */ int #if defined BSD_SETJMP # undef setjmp # define savemask 1 setjmp (jmp_buf env) #elif defined BSD__SETJMP # undef _setjmp # define savemask 0 _setjmp (jmp_buf env) #else __sigsetjmp (jmp_buf env, int savemask) #endif { /* Save data registers D1 through D7. */ asm volatile ("movem%.l %/d1-%/d7, %0" : : "m" (env[0].__jmpbuf[0].__dregs[0])); /* Save return address in place of register A0. */ env[0].__jmpbuf[0].__aregs[0] = ((void **) &env)[-1]; /* Save address registers A1 through A5. */ asm volatile ("movem%.l %/a1-%/a5, %0" : : "m" (env[0].__jmpbuf[0].__aregs[1])); /* Save caller's FP, not our own. */ env[0].__jmpbuf[0].__fp = ((void **) &env)[-2]; /* Save caller's SP, not our own. */ env[0].__jmpbuf[0].__sp = (void *) &env; #if defined __HAVE_68881__ || defined __HAVE_FPU__ /* Save floating-point (68881) registers FP0 through FP7. */ asm volatile ("fmovem%.x %/fp0-%/fp7, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0])); #elif defined (__mcffpu__) asm volatile ("fmovem %/fp0-%/fp7, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0])); #endif /* Save the signal mask if requested. */ return __sigjmp_save (env, savemask); } #if !defined BSD_SETJMP && !defined BSD__SETJMP libc_hidden_def (__sigsetjmp) #endif