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Don't throw exceptions from operator new by default #6312

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Merged
merged 3 commits into from
Jul 23, 2019
Merged

Don't throw exceptions from operator new by default #6312

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fba3f5c
Don't throw exceptions from operator new by default
earlephilhower Jul 18, 2019
9f7cfbf
Merge branch 'master' into nonewsgnus
earlephilhower Jul 18, 2019
02858bf
Merge branch 'master' into nonewsgnus
d-a-v Jul 23, 2019
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23 changes: 23 additions & 0 deletions cores/esp8266/abi.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,29 @@ extern int umm_last_fail_alloc_size;
extern "C" void __cxa_pure_virtual(void) __attribute__ ((__noreturn__));
extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__));


#ifndef __cpp_exceptions
void *operator new(size_t size)
{
void *ret = malloc(size);
if (0 != size && 0 == ret) {
umm_last_fail_alloc_addr = __builtin_return_address(0);
umm_last_fail_alloc_size = size;
}
return ret;
}

void *operator new[](size_t size)
{
void *ret = malloc(size);
if (0 != size && 0 == ret) {
umm_last_fail_alloc_addr = __builtin_return_address(0);
umm_last_fail_alloc_size = size;
}
return ret;
}
#endif

void __cxa_pure_virtual(void)
{
panic();
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