gcc/libitm/config/x86/sjlj.S
Richard Henderson 9bdc63433a libitm: de-ELF-ize x86/sjlj.S.
* config/x86/sjlj.S: Protect elf directives with __ELF__.
        Protect .note.GNU-stack with __linux__.

From-SVN: r181229
2011-11-09 10:38:21 -08:00

118 lines
2.7 KiB
ArmAsm

/* 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