diff options
Diffstat (limited to 'gdb/gdbsupport/new-op.c')
-rw-r--r-- | gdb/gdbsupport/new-op.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/gdb/gdbsupport/new-op.c b/gdb/gdbsupport/new-op.c deleted file mode 100644 index cf2525c..0000000 --- a/gdb/gdbsupport/new-op.c +++ /dev/null @@ -1,95 +0,0 @@ -/* Replace operator new/new[], for GDB, the GNU debugger. - - Copyright (C) 2016-2020 Free Software Foundation, Inc. - - This file is part of GDB. - - This program 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. - - This program 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. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* GCC does not understand __has_feature. */ -#if !defined(__has_feature) -# define __has_feature(x) 0 -#endif - -#if !__has_feature(address_sanitizer) && !defined(__SANITIZE_ADDRESS__) -#include "common-defs.h" -#include "host-defs.h" -#include <new> - -/* Override operator new / operator new[], in order to internal_error - on allocation failure and thus query the user for abort/core - dump/continue, just like xmalloc does. We don't do this from a - new-handler function instead (std::set_new_handler) because we want - to catch allocation errors from within global constructors too. - - Skip overriding if building with -fsanitize=address though. - Address sanitizer wants to override operator new/delete too in - order to detect malloc+delete and new+free mismatches. Our - versions would mask out ASan's, with the result of losing that - useful mismatch detection. - - Note that C++ implementations could either have their throw - versions call the nothrow versions (libstdc++), or the other way - around (clang/libc++). For that reason, we replace both throw and - nothrow variants and call malloc directly. */ - -void * -operator new (std::size_t sz) -{ - /* malloc (0) is unpredictable; avoid it. */ - if (sz == 0) - sz = 1; - - void *p = malloc (sz); /* ARI: malloc */ - if (p == NULL) - { - /* If the user decides to continue debugging, throw a - gdb_quit_bad_alloc exception instead of a regular QUIT - gdb_exception. The former extends both std::bad_alloc and a - QUIT gdb_exception. This is necessary because operator new - can only ever throw std::bad_alloc, or something that extends - it. */ - try - { - malloc_failure (sz); - } - catch (gdb_exception &ex) - { - throw gdb_quit_bad_alloc (std::move (ex)); - } - } - return p; -} - -void * -operator new (std::size_t sz, const std::nothrow_t&) noexcept -{ - /* malloc (0) is unpredictable; avoid it. */ - if (sz == 0) - sz = 1; - return malloc (sz); /* ARI: malloc */ -} - -void * -operator new[] (std::size_t sz) -{ - return ::operator new (sz); -} - -void* -operator new[] (std::size_t sz, const std::nothrow_t&) noexcept -{ - return ::operator new (sz, std::nothrow); -} -#endif |