| /* setjmp for s390, ELF version. |
| Copyright (C) 2000, 2002, 2005 Free Software Foundation, Inc. |
| Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). |
| 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 <sysdep.h> |
| #define _ASM |
| #define _SETJMP_H |
| #include <bits/setjmp.h> |
| |
| /* We include the BSD entry points here as well but we make |
| them weak. */ |
| ENTRY (setjmp) |
| .weak C_SYMBOL_NAME (setjmp) |
| lhi %r3,1 /* second argument of one */ |
| j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ |
| END (setjmp) |
| |
| /* Binary compatibility entry point. */ |
| ENTRY(_setjmp) |
| .weak C_SYMBOL_NAME (_setjmp) |
| lhi %r3,0 /* second argument of zero */ |
| j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ |
| END (_setjmp) |
| libc_hidden_def (_setjmp) |
| |
| ENTRY(__setjmp) |
| lhi %r3,0 /* second argument of zero */ |
| j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ |
| END (__setjmp) |
| |
| ENTRY(__sigsetjmp) |
| .Linternal_sigsetjmp: |
| #ifdef PTR_MANGLE |
| stm %r6,%r13,0(%r2) /* store registers in jmp_buf */ |
| lr %r4,%r14 |
| lr %r5,%r15 |
| PTR_MANGLE (%r4, %r1) |
| PTR_MANGLE2 (%r5, %r1) |
| stm %r4,%r5,32(%r2) |
| #else |
| stm %r6,%r15,0(%r2) /* store registers in jmp_buf */ |
| #endif |
| std %f4,40(%r2) |
| std %f6,48(%r2) |
| #if defined NOT_IN_libc && defined IS_IN_rtld |
| /* In ld.so we never save the signal mask. */ |
| lhi %r2,0 |
| br %r14 |
| #elif defined PIC |
| /* We cannot use the PLT, because it requires that %r12 be set, but |
| we can't save and restore our caller's value. Instead, we do an |
| indirect jump through the GOT. */ |
| basr %r1,0 |
| .L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */ |
| /* get address of __sigjmp_save from got */ |
| l %r1,__sigjmp_save@GOT12(0,%r1) |
| br %r1 |
| .L1: .long _GLOBAL_OFFSET_TABLE_ - .L0 |
| #else |
| basr %r1,0 |
| .L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */ |
| br %r1 /* tail-call __sigjmp_save */ |
| .L1: .long __sigjmp_save |
| #endif |
| END (__sigsetjmp) |
