149 lines
3.3 KiB
ArmAsm
149 lines
3.3 KiB
ArmAsm
/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
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Contributed by Richard Henderson <rth@redhat.com>.
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This file is part of the GNU Transactional Memory Library (libitm).
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Libitm is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "asmcfi.h"
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#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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#ifdef __USER_LABEL_PREFIX__
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# define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
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#else
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# define SYM(x) x
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#endif
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#ifdef __ELF__
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# define TYPE(x) .type SYM(x), @function
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# define SIZE(x) .size SYM(x), . - SYM(x)
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# ifdef HAVE_ATTRIBUTE_VISIBILITY
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# define HIDDEN(x) .hidden SYM(x)
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# else
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# define HIDDEN(x)
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# endif
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#else
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# define TYPE(x)
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# define SIZE(x)
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# ifdef __MACH__
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# define HIDDEN(x) .private_extern SYM(x)
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# else
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# define HIDDEN(x)
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# endif
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#endif
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.text
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.align 4
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.globl SYM(_ITM_beginTransaction)
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SYM(_ITM_beginTransaction):
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cfi_startproc
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#ifdef __x86_64__
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leaq 8(%rsp), %rax
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subq $56, %rsp
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cfi_def_cfa_offset(64)
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movq %rax, (%rsp)
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movq %rbx, 8(%rsp)
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movq %rbp, 16(%rsp)
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movq %r12, 24(%rsp)
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movq %r13, 32(%rsp)
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movq %r14, 40(%rsp)
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movq %r15, 48(%rsp)
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movq %rsp, %rsi
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call SYM(GTM_begin_transaction)
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addq $56, %rsp
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cfi_def_cfa_offset(8)
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ret
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#else
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leal 4(%esp), %ecx
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movl 4(%esp), %eax
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subl $28, %esp
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cfi_def_cfa_offset(32)
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movl %ecx, 8(%esp)
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movl %ebx, 12(%esp)
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movl %esi, 16(%esp)
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movl %edi, 20(%esp)
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movl %ebp, 24(%esp)
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leal 8(%esp), %edx
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#if defined HAVE_ATTRIBUTE_VISIBILITY || !defined __PIC__
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call SYM(GTM_begin_transaction)
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#elif defined __ELF__
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call 1f
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1: popl %ebx
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addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
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call SYM(GTM_begin_transaction)@PLT
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movl 12(%esp), %ebx
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#else
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# error "Unsupported PIC sequence"
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#endif
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addl $28, %esp
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cfi_def_cfa_offset(4)
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ret
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#endif
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cfi_endproc
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TYPE(_ITM_beginTransaction)
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SIZE(_ITM_beginTransaction)
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.align 4
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.globl SYM(GTM_longjmp)
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SYM(GTM_longjmp):
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cfi_startproc
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#ifdef __x86_64__
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movq (%rsi), %rcx
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movq 8(%rsi), %rbx
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movq 16(%rsi), %rbp
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movq 24(%rsi), %r12
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movq 32(%rsi), %r13
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movq 40(%rsi), %r14
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movq 48(%rsi), %r15
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movl %edi, %eax
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cfi_def_cfa(%rsi, 0)
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cfi_offset(%rip, 56)
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cfi_register(%rsp, %rcx)
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movq %rcx, %rsp
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jmp *56(%rsi)
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#else
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movl (%edx), %ecx
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movl 4(%edx), %ebx
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movl 8(%edx), %esi
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movl 12(%edx), %edi
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movl 16(%edx), %ebp
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cfi_def_cfa(%edx, 0)
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cfi_offset(%eip, 20)
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cfi_register(%esp, %ecx)
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movl %ecx, %esp
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jmp *20(%edx)
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#endif
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cfi_endproc
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TYPE(GTM_longjmp)
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HIDDEN(GTM_longjmp)
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SIZE(GTM_longjmp)
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#ifdef __linux__
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.section .note.GNU-stack, "", @progbits
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#endif
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