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/* c_lgcc.cpp -- make C++ programs linkable with gcc
* by pts@fazekas.hu at Tue Sep 3 18:31:58 CEST 2002
*
* This file is not sam2p-specific. See also AC_PTS_GCC_LINKS_CXX in file
* aclocal.m4.
*/
#include <stdlib.h>
#include <unistd.h> /* for write(), also available on Windows */
#include <sys/types.h> /* size_t */
/* Sat Jul 6 16:39:19 CEST 2002
* empirical checkerg++ helper routines for gcc version 2.95.2 20000220 (Debian GNU/Linux)
*/
#ifdef __CHECKER__
void* __builtin_vec_new XMALLOC_CODE()
void __builtin_vec_delete XFREE_CODE()
void* __builtin_new XMALLOC_CODE()
void __builtin_delete XFREE_CODE()
void __rtti_user() { abort(); }
void __rtti_si() { abort(); }
void terminate() { abort(); }
/* void* __pure_virtual=0; -- doesn't work */
extern "C" void __pure_virtual(); void __pure_virtual() { abort(); }
#else
/* at Tue Sep 3 18:24:26 CEST 2002:
* empirical g++-3.2 helper routines for gcc version 3.2.1 20020830 (Debian prerelease)
* at Sun Dec 19 19:25:31 CET 2010:
* works for g++-4.2.1 and g++-4.4.1 as well
* removed dependency on stdio, so we get more reliable OOM reporting
*/
static void* emulate_cc_new(unsigned len) { \
void *p = malloc(len);
if (p == 0) {
/* Don't use stdio (e.g. fputs), because that may want to allocate more
* memory.
*/
(void)!write(2, "out of memory\n", 14);
abort();
}
return p;
}
static void emulate_cc_delete(void* p) {
if (p!=0) free(p);
}
#if USE_ATTRIBUTE_ALIAS
void* operator new (size_t len) __attribute__((alias("emulate_cc_new")));
void* operator new[](size_t len) __attribute__((alias("emulate_cc_new")));
void operator delete (void* p) __attribute__((alias("emulate_cc_delete")));
void operator delete[](void* p) __attribute__((alias("emulate_cc_delete")));
#else /* Darwin o32-clang doesn't have it. */
void* operator new (size_t len) { return emulate_cc_new(len); }
void* operator new[](size_t len) { return emulate_cc_new(len); }
void operator delete (void* p) { return emulate_cc_delete(p); }
void operator delete[](void* p) { return emulate_cc_delete(p); }
#endif
void* __cxa_pure_virtual = 0;
#if 0 /* Needed only if this is not used: -fno-use-cxa-atexit */
extern "C" void __dso_handle();
void __dso_handle() {} /* Defined in crtbeginT.o for xstatic. */
#endif
#endif
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