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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#ifndef _VESPAMALLOC_MALLOC_MEMBLOCKBOUNDSCHECK_HPP_
#define _VESPAMALLOC_MALLOC_MEMBLOCKBOUNDSCHECK_HPP_
#include <vespamalloc/malloc/memblockboundscheck.h>
namespace vespamalloc {
FILE * MemBlockBoundsCheckBaseTBase::_logFile = stderr;
size_t MemBlockBoundsCheckBaseTBase::_bigBlockLimit = 0x80000000;
uint8_t MemBlockBoundsCheckBaseTBase::_fillValue = MemBlockBoundsCheckBaseTBase::NO_FILL;
void MemBlockBoundsCheckBaseTBase::verifyFill() const
{
const uint8_t *c(static_cast<const uint8_t *>(ptr())), *e(c+size());
for(;(c < e) && (*c == _fillValue); c++) { }
if (c != e) {
fprintf(_logFile, "Incorrect fillvalue (%2x) instead of (%2x) at position %ld(%p) of %ld(%p - %p)\n",
*c, _fillValue, c - static_cast<const uint8_t *>(ptr()), c, size(), ptr(), e);
abort();
}
}
void MemBlockBoundsCheckBaseTBase::logBigBlock(size_t exact, size_t adjusted, size_t gross) const
{
size_t sz(exact);
if (sz > _bigBlockLimit) {
Stack st[32];
size_t count = Stack::fillStack(st, NELEMS(st));
fprintf(_logFile, "validating %p(%ld, %ld, %ld)",
ptr(), sz, adjusted, gross);
st[3].info(_logFile);
fprintf(_logFile, "\n");
for(size_t i=1; (i < count) && (i < NELEMS(st)); i++) {
const Stack & s = st[i];
if (s.valid()) {
s.info(_logFile);
fprintf(_logFile, " from ");
}
}
fprintf(_logFile, "\n");
}
}
} // namespace vespamalloc
#endif
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