FreeRTOS_new.cpp

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#include <new>
#include <cstdlib>
#include <compiler.h>

extern "C"      void *  pvPortMalloc(size_t xWantedSize);
extern "C"      void    vPortFree(void * pv);

void * operator new(size_t size)
{
        void* ptr = pvPortMalloc(size);
        while (ptr == 0) {}
        return ptr;
}

void operator delete(void *p)
{
        vPortFree(p);
}

void * operator new[](size_t size)
{
        void* ptr = pvPortMalloc(size);
        while (ptr == 0) {}
        return ptr;
}

void operator delete[](void *p)
{
        vPortFree(p);
}


// These override the standard libc-nano malloc & free
// #pragma GCC push_options
// #pragma GCC optimize ("O0")

void *malloc( size_t size )
{
        return pvPortMalloc( size );
}

void free( void *ptr )
{
        vPortFree( ptr );
}

void *realloc(void *ptr, size_t size)
{       // Not available
        return nullptr;
}

void *calloc(size_t nitems, size_t size)
{       // Not available
        return nullptr;
}

// #pragma GCC pop_options