1 /* Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 /* Global register decls must come before any function defn. */
22 r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"),
23 r13 asm ("$13"), r14 asm ("$14");
25 register long int *fp asm ("$15"), *sp asm ("$30"), *retpc asm ("$26");
29 f2 asm ("$f2"), f3 asm ("$f3"), f4 asm ("$f4"), f5 asm ("$f5"),
30 f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9");
37 /* Save the current program position in ENV and return 0. */
39 __sigsetjmp_aux (sigjmp_buf env, int savemask, long int *sp, long int *fp)
41 /* Save the integer registers. */
42 env[0].__jmpbuf[0].__9 = r9;
43 env[0].__jmpbuf[0].__10 = r10;
44 env[0].__jmpbuf[0].__11 = r11;
45 env[0].__jmpbuf[0].__12 = r12;
46 env[0].__jmpbuf[0].__13 = r13;
47 env[0].__jmpbuf[0].__14 = r14;
50 /* Save the floating point registers. */
51 env[0].__jmpbuf[0].__f2 = f2;
52 env[0].__jmpbuf[0].__f3 = f3;
53 env[0].__jmpbuf[0].__f4 = f4;
54 env[0].__jmpbuf[0].__f5 = f5;
55 env[0].__jmpbuf[0].__f6 = f6;
56 env[0].__jmpbuf[0].__f7 = f7;
57 env[0].__jmpbuf[0].__f8 = f8;
58 env[0].__jmpbuf[0].__f9 = f9;
61 /* Save the return address of our caller, where longjmp will jump to. */
62 env[0].__jmpbuf[0].__pc = retpc;
64 /* Save the FP and SP of our caller. The __sigsetjmp entry point
65 simply puts these in the argument registers for us to fetch. */
66 env[0].__jmpbuf[0].__fp = fp;
67 env[0].__jmpbuf[0].__sp = sp;
69 /* Save the signal mask if requested. */
70 __sigjmp_save (env, savemask);
72 retpc = env[0].__jmpbuf[0].__pc; /* restore ra, ugly... */
74 /* Return to the original caller of __sigsetjmp. */