esp-idf/components/esp32/abi.cpp

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdlib.h>
#include <assert.h>
#include <cxxabi.h>
#include <stdint.h>

// using __cxxabiv1::__guard;

void *operator new(size_t size)
{
    return malloc(size);
}

void *operator new[](size_t size)
{
    return malloc(size);
}

void operator delete(void * ptr)
{
    free(ptr);
}

void operator delete[](void * ptr)
{
    free(ptr);
}

extern "C" void __cxa_pure_virtual(void) __attribute__ ((__noreturn__));
extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__));

void __cxa_pure_virtual(void)
{
    abort();
}

void __cxa_deleted_virtual(void)
{
    abort();
}

#if 0
typedef struct {
    uint8_t guard;
    uint8_t ps;
} guard_t;

extern "C" int __cxa_guard_acquire(__guard* pg)
{
    uint8_t ps = xt_rsil(15);
    if (reinterpret_cast<guard_t*>(pg)->guard) {
        xt_wsr_ps(ps);
        return 0;
    }
    reinterpret_cast<guard_t*>(pg)->ps = ps;
    return 1;
}

extern "C" void __cxa_guard_release(__guard* pg)
{
    reinterpret_cast<guard_t*>(pg)->guard = 1;
    xt_wsr_ps(reinterpret_cast<guard_t*>(pg)->ps);
}

extern "C" void __cxa_guard_abort(__guard* pg)
{
    xt_wsr_ps(reinterpret_cast<guard_t*>(pg)->ps);
}
#endif

extern "C" void __cxa_throw_bad_array_new_length()
{
    abort();
}

namespace std
{
void __throw_bad_function_call()
{
    abort();
}

void __throw_length_error(char const*)
{
    abort();
}

void __throw_bad_alloc()
{
    abort();
}

void __throw_logic_error(const char* str)
{
    abort();
}

void __throw_out_of_range(const char* str)
{
    abort();
}
}