| /* longjmp for PA-RISC. |
| Copyright (C) 1997-2018 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/>. */ |
| |
| #include <setjmp.h> |
| #include <stdlib.h> |
| |
| /* Jump to the position specified by ENV, causing the |
| setjmp call there to return VAL, or 1 if VAL is 0. */ |
| void |
| __longjmp (__jmp_buf env, int val) |
| { |
| #ifdef CHECK_SP |
| CHECK_SP (env[0].__jmp_buf.__sp); |
| #endif |
| |
| /* We must use one of the non-callee saves registers |
| for env. */ |
| register unsigned long r26 asm ("r26") = (unsigned long)&env[0]; |
| register unsigned long r25 asm ("r25") = (unsigned long)(val == 0 ? 1 : val); |
| |
| asm volatile( |
| /* Set return value. */ |
| "copy %0, %%r28\n\t" |
| /* Load callee saves from r3 to r18. */ |
| "ldw 0(%1), %%r3\n\t" |
| "ldw 8(%1), %%r4\n\t" |
| "ldw 12(%1), %%r5\n\t" |
| "ldw 16(%1), %%r6\n\t" |
| "ldw 20(%1), %%r7\n\t" |
| "ldw 24(%1), %%r8\n\t" |
| "ldw 28(%1), %%r9\n\t" |
| "ldw 32(%1), %%r10\n\t" |
| "ldw 36(%1), %%r11\n\t" |
| "ldw 40(%1), %%r12\n\t" |
| "ldw 44(%1), %%r13\n\t" |
| "ldw 48(%1), %%r14\n\t" |
| "ldw 52(%1), %%r15\n\t" |
| "ldw 56(%1), %%r16\n\t" |
| "ldw 60(%1), %%r17\n\t" |
| "ldw 64(%1), %%r18\n\t" |
| /* Load PIC register. */ |
| "ldw 68(%1), %%r19\n\t" |
| /* Load static link register. */ |
| "ldw 72(%1), %%r27\n\t" |
| /* Load stack pointer. */ |
| "ldw 76(%1), %%r30\n\t" |
| /* Load return pointer. */ |
| "ldw 80(%1), %%rp\n\t" |
| /* Ues a spare caller saves register. */ |
| "ldo 88(%1),%%r25\n\t" |
| /* Load callee saves from fr12 to fr21. */ |
| "fldds,ma 8(%%r25), %%fr12\n\t" |
| "fldds,ma 8(%%r25), %%fr13\n\t" |
| "fldds,ma 8(%%r25), %%fr14\n\t" |
| "fldds,ma 8(%%r25), %%fr15\n\t" |
| "fldds,ma 8(%%r25), %%fr16\n\t" |
| "fldds,ma 8(%%r25), %%fr17\n\t" |
| "fldds,ma 8(%%r25), %%fr18\n\t" |
| "fldds,ma 8(%%r25), %%fr19\n\t" |
| "fldds,ma 8(%%r25), %%fr20\n\t" |
| "fldds 0(%%r25), %%fr21\n\t" |
| /* Jump back to stored return address. */ |
| "bv,n %%r0(%%r2)\n\t" |
| : /* No outputs. */ |
| : "r" (r25), "r" (r26) |
| : /* No point in clobbers. */ ); |
| |
| /* Avoid `volatile function does return' warnings. */ |
| for (;;); |
| } |