17c478bd9Sstevel@tonic-gate/*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
59a70fc3bSMark J. Nelson * Common Development and Distribution License (the "License").
69a70fc3bSMark J. Nelson * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate/*
22*1ce128c5SRod Evans * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
269a70fc3bSMark J. Nelson	.file	"unwind_frame.s"
277c478bd9Sstevel@tonic-gate
287c478bd9Sstevel@tonic-gate#ifdef _LIBCRUN_
297c478bd9Sstevel@tonic-gate#define ENTRY(x) \
307c478bd9Sstevel@tonic-gate        .text; \
317c478bd9Sstevel@tonic-gate        .align  8; \
327c478bd9Sstevel@tonic-gate        .globl  x; \
337c478bd9Sstevel@tonic-gate        .type   x, @function; \
347c478bd9Sstevel@tonic-gate	x:
357c478bd9Sstevel@tonic-gate#define SET_SIZE(x) \
367c478bd9Sstevel@tonic-gate        .size   x, .-x
377c478bd9Sstevel@tonic-gate#else
387c478bd9Sstevel@tonic-gate#include "SYS.h"
397c478bd9Sstevel@tonic-gate#endif
407c478bd9Sstevel@tonic-gate
417c478bd9Sstevel@tonic-gate/*
427c478bd9Sstevel@tonic-gate * ====================
437c478bd9Sstevel@tonic-gate * _Unw_capture_regs()
447c478bd9Sstevel@tonic-gate * --------------------
457c478bd9Sstevel@tonic-gate *
467c478bd9Sstevel@tonic-gate *	Given  foo()->ex_throw()->_Unwind_RaiseException()->_Unw_capture_regs()
477c478bd9Sstevel@tonic-gate *	fills in a register array with FP and the preserved registers
487c478bd9Sstevel@tonic-gate */
497c478bd9Sstevel@tonic-gate	ENTRY(_Unw_capture_regs)
507c478bd9Sstevel@tonic-gate	movq	%rbx,24(%rdi)		/* save preserved registers */
517c478bd9Sstevel@tonic-gate	movq	%rbp,48(%rdi)
527c478bd9Sstevel@tonic-gate	movq	%r12,96(%rdi)
537c478bd9Sstevel@tonic-gate	movq	%r13,104(%rdi)
547c478bd9Sstevel@tonic-gate	movq	%r14,112(%rdi)
557c478bd9Sstevel@tonic-gate	movq	%r15,120(%rdi)
567c478bd9Sstevel@tonic-gate	ret
577c478bd9Sstevel@tonic-gate	SET_SIZE(_Unw_capture_regs)
587c478bd9Sstevel@tonic-gate
597c478bd9Sstevel@tonic-gate/*
607c478bd9Sstevel@tonic-gate * ====================
617c478bd9Sstevel@tonic-gate * _Unw_jmp
627c478bd9Sstevel@tonic-gate * --------------------
637c478bd9Sstevel@tonic-gate *
647c478bd9Sstevel@tonic-gate * _Unw_jmp is passed a pc and an array of register values.
657c478bd9Sstevel@tonic-gate */
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate	ENTRY(_Unw_jmp)
687c478bd9Sstevel@tonic-gate	movq	%rdi,%r8		/* save arguments to this func */
697c478bd9Sstevel@tonic-gate	movq	%rsi,%rax
707c478bd9Sstevel@tonic-gate	movq	40(%rax),%rdi		/* set handler parameters */
717c478bd9Sstevel@tonic-gate	movq	32(%rax),%rsi
727c478bd9Sstevel@tonic-gate	movq	8(%rax),%rdx
737c478bd9Sstevel@tonic-gate	movq	16(%rax),%rcx
747c478bd9Sstevel@tonic-gate	movq	24(%rax),%rbx		/* restore preserved registers */
757c478bd9Sstevel@tonic-gate	movq	96(%rax),%r12
767c478bd9Sstevel@tonic-gate	movq	104(%rax),%r13
777c478bd9Sstevel@tonic-gate	movq	112(%rax),%r14
787c478bd9Sstevel@tonic-gate	movq	120(%rax),%r15
797c478bd9Sstevel@tonic-gate	movq	48(%rax),%rbp
807c478bd9Sstevel@tonic-gate	movq	56(%rax),%rsp
81*1ce128c5SRod Evans	movq	(%rax),%rax
827c478bd9Sstevel@tonic-gate	jmp	*%r8			/* branch to handler */
837c478bd9Sstevel@tonic-gate	SET_SIZE(_Unw_jmp)
84