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author | Dan Albert <danalbert@google.com> | 2016-02-24 13:48:45 -0800 |
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committer | Dan Albert <danalbert@google.com> | 2016-02-24 13:51:18 -0800 |
commit | b9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch) | |
tree | 4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.3/libitm/barrier.cc | |
parent | 098157a754787181cfa10e71325832448ddcea98 (diff) | |
download | toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.gz toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.bz2 toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.zip |
Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).
From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.
Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
Diffstat (limited to 'gcc-4.8.3/libitm/barrier.cc')
-rw-r--r-- | gcc-4.8.3/libitm/barrier.cc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc-4.8.3/libitm/barrier.cc b/gcc-4.8.3/libitm/barrier.cc new file mode 100644 index 000000000..6d4d00ce6 --- /dev/null +++ b/gcc-4.8.3/libitm/barrier.cc @@ -0,0 +1,44 @@ +/* Copyright (C) 2008-2013 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 "libitm_i.h" + +using namespace GTM; + +bool abi_dispatch::memmove_overlap_check(void *dst, const void *src, + size_t size, ls_modifier dst_mod, ls_modifier src_mod) +{ + if (dst_mod == NONTXNAL || src_mod == NONTXNAL) + { + if (((uintptr_t)dst <= (uintptr_t)src ? + (uintptr_t)dst + size > (uintptr_t)src : + (uintptr_t)src + size > (uintptr_t)dst)) + GTM::GTM_fatal("_ITM_memmove overlapping and t/nt is not allowed"); + return false; + } + return true; +} + +CREATE_DISPATCH_FUNCTIONS(GTM::abi_disp()->, ) + |