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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libitm/alloc_c.cc | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libitm/alloc_c.cc')
-rw-r--r-- | gcc-4.9/libitm/alloc_c.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc-4.9/libitm/alloc_c.cc b/gcc-4.9/libitm/alloc_c.cc new file mode 100644 index 000000000..d60de7762 --- /dev/null +++ b/gcc-4.9/libitm/alloc_c.cc @@ -0,0 +1,72 @@ +/* Copyright (C) 2009-2014 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; + +extern "C" { + +/* Wrap: malloc (size_t sz) */ +void * +_ITM_malloc (size_t sz) +{ + void *r = malloc (sz); + if (r) + gtm_thr()->record_allocation (r, free); + return r; +} + +/* Wrap: calloc (size_t nm, size_t sz) */ +void * +_ITM_calloc (size_t nm, size_t sz) +{ + void *r = calloc (nm, sz); + if (r) + gtm_thr()->record_allocation (r, free); + return r; +} + +/* Wrap: free (void *ptr) */ +void +_ITM_free (void *ptr) +{ + if (ptr) + gtm_thr()->forget_allocation (ptr, free); +} + +/* Forget any internal references to PTR. */ + +__attribute__((transaction_pure)) +void ITM_REGPARM +_ITM_dropReferences (void *ptr, size_t len) +{ + // The semantics of _ITM_dropReferences are not sufficiently defined in the + // ABI specification, so it does not make sense to support it right now. See + // the libitm documentation for details. + GTM_fatal("_ITM_dropReferences is not supported"); +} + +} // extern "C" |