diff --git a/sysdeps/alpha/setjmp_aux.c b/sysdeps/alpha/setjmp_aux.c new file mode 100644 index 0000000000..e23939072f --- /dev/null +++ b/sysdeps/alpha/setjmp_aux.c @@ -0,0 +1,58 @@ +/* Copyright (C) 1992 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 Library General Public License as +published by the Free Software Foundation; either version 2 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. + +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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include + +#ifndef __GNUC__ +#error This file uses GNU C extensions; you must compile with GCC. +#endif + +register long int + r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"), + r13 asm ("$13"), r14 asm ("$14"); + +register long int *fp asm ("$15"), *sp asm ("$30"), *retpc asm ("$26"); + +#if 1 /* XXX */ +register double + f2 asm ("$f2"), f3 asm ("$f3"), f4 asm ("$f4"), f5 asm ("$f5"), + f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9"); +#endif + +/* Save the current program position in ENV and return 0. */ +int +__setjmp (jmp_buf env) +{ + /* Save the integer registers. */ + env[0].__9 = r9; + env[0].__10 = r10; + env[0].__11 = r11; + env[0].__12 = r12; + env[0].__13 = r13; + env[0].__14 = r14; + + /* Save the return address of our caller, where longjmp will jump to. */ + env[0].__pc = retpc; + + /* We lose if the compiler uses the FP in __setjmp. XXX */ + env[0].__fp = fp; + + env[0].__sp = sp; + + return 0; +}