/* Copyright (C) 2000, 2001, 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, see . */ #ifndef _ASM #define _ASM #endif #include #include /* Save the current program position in ENV and return 0. */ /* R2 = pointer to jmp_buf, R3 = savemask */ ENTRY(__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)