| /* longjmp for PowerPC. |
| Copyright (C) 1995-2014 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 <sysdep.h> |
| #include <stap-probe.h> |
| #define _ASM |
| #ifdef __NO_VMX__ |
| # include <novmxsetjmp.h> |
| #else |
| # include <jmpbuf-offsets.h> |
| #endif |
| |
| #if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT) |
| # define LOAD_GP(N) evldd r##N,((JB_FPRS+((N)-14)*2)*4)(r3) |
| #else |
| # define LOAD_GP(N) lwz r##N,((JB_GPRS+(N)-14)*4)(r3) |
| #endif |
| |
| ENTRY (__longjmp_symbol) |
| |
| #if defined PTR_DEMANGLE || defined CHECK_SP |
| lwz r24,(JB_GPR1*4)(r3) |
| # ifdef CHECK_SP |
| # ifdef PTR_DEMANGLE |
| PTR_DEMANGLE3 (r24, r24, r25) |
| # endif |
| CHECK_SP (r24) |
| mr r1,r24 |
| # endif |
| #else |
| lwz r1,(JB_GPR1*4)(r3) |
| #endif |
| lwz r0,(JB_LR*4)(r3) |
| LOAD_GP (14) |
| LOAD_GP (15) |
| LOAD_GP (16) |
| LOAD_GP (17) |
| LOAD_GP (18) |
| LOAD_GP (19) |
| LOAD_GP (20) |
| #ifdef PTR_DEMANGLE |
| # ifndef CHECK_SP |
| PTR_DEMANGLE3 (r1, r24, r25) |
| # endif |
| PTR_DEMANGLE2 (r0, r25) |
| #endif |
| /* longjmp/longjmp_target probe expects longjmp first argument (4@3), |
| second argument (-4@4), and target address (4@0), respectively. */ |
| LIBC_PROBE (longjmp, 3, 4@3, -4@4, 4@0) |
| mtlr r0 |
| LOAD_GP (21) |
| LOAD_GP (22) |
| lwz r5,(JB_CR*4)(r3) |
| LOAD_GP (23) |
| LOAD_GP (24) |
| LOAD_GP (25) |
| mtcrf 0xFF,r5 |
| LOAD_GP (26) |
| LOAD_GP (27) |
| LOAD_GP (28) |
| LOAD_GP (29) |
| LOAD_GP (30) |
| LOAD_GP (31) |
| LIBC_PROBE (longjmp_target, 3, 4@3, -4@4, 4@0) |
| mr r3,r4 |
| blr |
| END (__longjmp_symbol) |
