mirror of https://github.com/ArduPilot/ardupilot
71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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//
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// C++ runtime support not provided by Arduino
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//
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// Note: use new/delete with caution. The heap is small and
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// easily fragmented.
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#include <AP_HAL.h>
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#include <stdlib.h>
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/*
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globally override new and delete to ensure that we always start with
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zero memory. This ensures consistent behaviour. Note that
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initialising all members of all C++ classes separately takes a lot
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of flash space. On APM1/APM2 it would mean we wouldn't fit on the
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board at all.
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*/
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void * operator new(size_t size)
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{
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if (size < 1) {
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size = 1;
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}
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return(calloc(size, 1));
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}
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void operator delete(void *p)
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{
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if (p) free(p);
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}
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void * operator new[](size_t size)
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{
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if (size < 1) {
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size = 1;
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}
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return(calloc(size, 1));
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}
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void operator delete[](void * ptr)
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{
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if (ptr) free(ptr);
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}
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#if CONFIG_HAL_BOARD == HAL_BOARD_APM1 || CONFIG_HAL_BOARD == HAL_BOARD_APM2 || CONFIG_HAL_BOARD == HAL_BOARD_FLYMAPLE
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// Conflicts with libmaple wirish/cxxabi-compat.cpp
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#if CONFIG_HAL_BOARD != HAL_BOARD_FLYMAPLE
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extern "C" void __cxa_pure_virtual(){
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while (1){}
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}
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#endif
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__extension__ typedef int __guard __attribute__((mode (__DI__)));
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int __cxa_guard_acquire(__guard *g)
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{
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return !*(char *)(g);
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};
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void __cxa_guard_release (__guard *g){
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*(char *)g = 1;
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};
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void __cxa_guard_abort (__guard *) {
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};
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#endif // CONFIG_HAL_BOARD
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