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/* 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"
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
#ifdef __USER_LABEL_PREFIX__
# define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
#else
# define SYM(x) x
#endif
#ifdef __ELF__
# define TYPE(x) .type SYM(x), @function
# define SIZE(x) .size SYM(x), . - SYM(x)
# ifdef HAVE_ATTRIBUTE_VISIBILITY
# define HIDDEN(x) .hidden SYM(x)
# else
# define HIDDEN(x)
# endif
#else
# define TYPE(x)
# define SIZE(x)
# ifdef __MACH__
# define HIDDEN(x) .private_extern SYM(x)
# else
# define HIDDEN(x)
# endif
#endif
.text
.align 4
.globl SYM(_ITM_beginTransaction)
SYM(_ITM_beginTransaction):
cfi_startproc
#ifdef __x86_64__
leaq 8(%rsp), %rax
subq $56, %rsp
cfi_def_cfa_offset(64)
movq %rax, (%rsp)
movq %rbx, 8(%rsp)
movq %rbp, 16(%rsp)
movq %r12, 24(%rsp)
movq %r13, 32(%rsp)
movq %r14, 40(%rsp)
movq %r15, 48(%rsp)
movq %rsp, %rsi
call SYM(GTM_begin_transaction)
addq $56, %rsp
cfi_def_cfa_offset(8)
ret
#else
leal 4(%esp), %ecx
movl 4(%esp), %eax
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
#if defined HAVE_ATTRIBUTE_VISIBILITY || !defined __PIC__
call SYM(GTM_begin_transaction)
#elif defined __ELF__
call 1f
1: popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
call SYM(GTM_begin_transaction)@PLT
movl 12(%esp), %ebx
#else
# error "Unsupported PIC sequence"
#endif
addl $28, %esp
cfi_def_cfa_offset(4)
ret
#endif
cfi_endproc
TYPE(_ITM_beginTransaction)
SIZE(_ITM_beginTransaction)
.align 4
.globl SYM(GTM_longjmp)
SYM(GTM_longjmp):
cfi_startproc
#ifdef __x86_64__
movq (%rsi), %rcx
movq 8(%rsi), %rbx
movq 16(%rsi), %rbp
movq 24(%rsi), %r12
movq 32(%rsi), %r13
movq 40(%rsi), %r14
movq 48(%rsi), %r15
movl %edi, %eax
cfi_def_cfa(%rsi, 0)
cfi_offset(%rip, 56)
cfi_register(%rsp, %rcx)
movq %rcx, %rsp
jmp *56(%rsi)
#else
movl (%edx), %ecx
movl 4(%edx), %ebx
movl 8(%edx), %esi
movl 12(%edx), %edi
movl 16(%edx), %ebp
cfi_def_cfa(%edx, 0)
cfi_offset(%eip, 20)
cfi_register(%esp, %ecx)
movl %ecx, %esp
jmp *20(%edx)
#endif
cfi_endproc
TYPE(GTM_longjmp)
HIDDEN(GTM_longjmp)
SIZE(GTM_longjmp)
#ifdef __linux__
.section .note.GNU-stack, "", @progbits
#endif
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