/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
   Contributed by Richard Henderson <rth@redhat.com>.

   This file is part of the GNU Transactional Memory Library (libitm).

   Libitm is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   Libitm 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 General Public License for
   more details.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */


#include "asmcfi.h"

	.text

	.align 4
	.globl	_ITM_beginTransaction

_ITM_beginTransaction:
	cfi_startproc
#ifdef __x86_64__
	leaq	8(%rsp), %rax
	movq	(%rsp), %r8
	subq	$72, %rsp
	cfi_def_cfa_offset(80)
	movq	%rax, (%rsp)
	movq	%r8, 8(%rsp)
	movq	%rbx, 16(%rsp)
	movq	%rbp, 24(%rsp)
	movq	%r12, 32(%rsp)
	movq	%r13, 40(%rsp)
	movq	%r14, 48(%rsp)
	movq	%r15, 56(%rsp)
	movq	%rsp, %rsi
	call	GTM_begin_transaction
	addq	$72, %rsp
	cfi_def_cfa_offset(8)
	ret
#else
	leal	4(%esp), %ecx
	subl	$28, %esp
	cfi_def_cfa_offset(32)
	movl	%ecx, 8(%esp)
	movl	%ebx, 12(%esp)
	movl	%esi, 16(%esp)
	movl	%edi, 20(%esp)
	movl	%ebp, 24(%esp)
	leal	8(%esp), %edx
	call	GTM_begin_transaction
	addl	$28, %esp
	cfi_def_cfa_offset(4)
	ret
#endif
	cfi_endproc

#ifdef __ELF__
	.type	_ITM_beginTransaction, @function
	.size	_ITM_beginTransaction, .-_ITM_beginTransaction
#endif

	.align 4
	.globl	GTM_longjmp

GTM_longjmp:
	cfi_startproc
#ifdef __x86_64__
	movq	(%rdi), %rcx
	movq	8(%rdi), %rdx
	movq	16(%rdi), %rbx
	movq	24(%rdi), %rbp
	movq	32(%rdi), %r12
	movq	40(%rdi), %r13
	movq	48(%rdi), %r14
	movq	56(%rdi), %r15
	movl	%esi, %eax
	cfi_def_cfa(%rcx, 0)
	cfi_register(%rip, %rdx)
	movq	%rcx, %rsp
	jmp	*%rdx
#else
	xchgl	%eax, %edx
	movl	(%edx), %ecx
	movl	4(%edx), %ebx
	movl	8(%edx), %esi
	movl	12(%edx), %edi
	movl	16(%edx), %ebp
	movl	20(%edx), %edx
	cfi_def_cfa(%ecx, 0)
	cfi_register(%eip, %edx)
	movl	%ecx, %esp
	jmp	*%edx
#endif
	cfi_endproc

#ifdef __ELF__
	.type	GTM_longjmp, @function
	.hidden	GTM_longjmp
	.size	GTM_longjmp, .-GTM_longjmp
#endif

#ifdef __linux__
.section .note.GNU-stack, "", @progbits
#endif