/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" .file "%M%" #ifdef _LIBCRUN_ #define ENTRY(x) \ .text; \ .align 8; \ .globl x; \ .type x, @function; \ x: #define SET_SIZE(x) \ .size x, .-x #else #include "SYS.h" #endif /* * ==================== * _Unw_capture_regs() * -------------------- * * Given foo()->ex_throw()->_Unwind_RaiseException()->_Unw_capture_regs() * fills in a register array with FP and the preserved registers */ ENTRY(_Unw_capture_regs) movq %rbx,24(%rdi) /* save preserved registers */ movq %rbp,48(%rdi) movq %r12,96(%rdi) movq %r13,104(%rdi) movq %r14,112(%rdi) movq %r15,120(%rdi) ret SET_SIZE(_Unw_capture_regs) /* * ==================== * _Unw_jmp * -------------------- * * _Unw_jmp is passed a pc and an array of register values. */ ENTRY(_Unw_jmp) movq %rdi,%r8 /* save arguments to this func */ movq %rsi,%rax movq 40(%rax),%rdi /* set handler parameters */ movq 32(%rax),%rsi movq 8(%rax),%rdx movq 16(%rax),%rcx movq 24(%rax),%rbx /* restore preserved registers */ movq 96(%rax),%r12 movq 104(%rax),%r13 movq 112(%rax),%r14 movq 120(%rax),%r15 movq 48(%rax),%rbp movq 56(%rax),%rsp jmp *%r8 /* branch to handler */ SET_SIZE(_Unw_jmp)