/* setjmp for 64 bit S/390, ELF version. Copyright (C) 2001, 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 #define _ASM #define _SETJMP_H #include /* We include the BSD entry points here as well but we make them weak. */ ENTRY (setjmp) .weak C_SYMBOL_NAME (setjmp) lghi %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) slgr %r3,%r3 /* Second argument of zero. */ j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ END (setjmp) libc_hidden_def (_setjmp) ENTRY(__setjmp) slgr %r3,%r3 /* Second argument of zero. */ j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ END (setjmp) ENTRY(__sigsetjmp) .Linternal_sigsetjmp: #ifdef PTR_MANGLE stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */ lgr %r4,%r14 lgr %r5,%r15 PTR_MANGLE (%r4, %r1) PTR_MANGLE2 (%r5, %r1) stmg %r4,%r5,64(%r2) #else stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */ #endif std %f1,80(%r2) std %f3,88(%r2) std %f5,96(%r2) std %f7,104(%r2) #if defined NOT_IN_libc && defined IS_IN_rtld /* In ld.so we never save the signal mask. */ lghi %r2,0 br %r14 #elif defined PIC jg __sigjmp_save@PLT /* Branch to PLT of __sigsetjmp. */ #else jg __sigjmp_save #endif END (__sigsetjmp)