| /* 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) |
| #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) |
| #endif |
| ret |
| 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 |