RtosSysCalls.cpp

//------------------------------------------------------------------------------
//This file is part of embKernel. 
//See license.txt for the full license governing this code.
//------------------------------------------------------------------------------
extern void (*__init_array_start[])(void);
extern void (*__init_array_end)(void);

extern "C" __attribute__((weak)) void __libc_init_array(void) {
    for (int i = 0; &__init_array_start[i] < &__init_array_end; i++) {
        __init_array_start[i]();
    }
}

//Override operator new
#include <stdlib.h>
#include <string.h>
#include "RtosHeap.hpp"

void* operator new(size_t size) {
    return RtosHeap::alloc(size);
}

void operator delete(void* p) {
    RtosHeap::free(p);
}

extern "C" void* malloc(size_t size) {
    return RtosHeap::alloc(size);
}

extern "C" void free(void* p) {
    RtosHeap::free(p);
}

extern "C" void* realloc(void* p, size_t size) {
    return RtosHeap::resize(p, size);
}

extern "C" void* calloc(size_t num, size_t size) {
    size_t len = num * size;
    void* result = RtosHeap::alloc(len);
    if (result) {
        memset(result, 0, len);
    }
    return result;
}

//extern "C" __attribute__((weak)) void _init(void) {
//
//}
//
//extern "C" __attribute__((weak)) void _fini(void) {
//
//}
//
//extern "C" __attribute__((weak)) void abort(void) {
//    while (1)
//        ;
//}
//extern "C" __attribute__((weak)) void __cxa_pure_virtual() {
//    while (1)
//        ;
//}