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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespamalloc/util/callstack.h>
#include <vespamalloc/malloc/common.h>
#include <cstdio>
namespace vespamalloc {
template <size_t MinSizeClassC, size_t MaxSizeClassMultiAllocC>
class MemBlockT : public CommonT<MinSizeClassC>
{
public:
using Parent = CommonT<MinSizeClassC>;
using Stack = StackEntry;
enum {
MaxSizeClassMultiAlloc = MaxSizeClassMultiAllocC,
SizeClassSpan = (MaxSizeClassMultiAllocC-MinSizeClassC)
};
MemBlockT() : _ptr(nullptr) { }
explicit MemBlockT(void * p) : _ptr(p) { }
MemBlockT(void * p, size_t /*sz*/) : _ptr(p) { }
MemBlockT(void * p, size_t, bool) : _ptr(p) { }
template<typename T>
void readjustAlignment(const T & segment) { (void) segment; }
void *rawPtr() { return _ptr; }
void *ptr() { return _ptr; }
const void *ptr() const { return _ptr; }
bool validAlloc() const { return true; }
bool validFree() const { return true; }
void setExact(size_t) { }
void setExact(size_t, std::align_val_t ) { }
void alloc(bool ) { }
void setThreadId(uint32_t ) { }
void free() { }
size_t size() const { return 0; }
template<typename T>
static size_t usable_size(void * ptr, const T & segment) {
return segment.template getMaxSize<MemBlockT>(ptr);
}
bool allocated() const { return false; }
uint32_t threadId() const { return 0; }
void info(FILE *, unsigned level=0) const { (void) level; }
const Stack * callStack() const { return nullptr; }
size_t callStackLen() const { return 0; }
void fillMemory(size_t) { }
static size_t adjustSize(size_t sz) { return sz; }
static size_t adjustSize(size_t sz, std::align_val_t) { return sz; }
static size_t unAdjustSize(size_t sz) { return sz; }
static void dumpInfo(size_t level);
static void setFill(uint8_t ) { }
static bool verifySizeClass(int sc) { (void) sc; return true; }
static size_t getMinSizeForAlignment(size_t align, size_t sz) {
return (sz < Parent::MAX_ALIGN)
? std::max(sz, align)
: (align < Parent::MAX_ALIGN) ? sz : sz + align;
}
private:
void * _ptr;
};
using MemBlock = MemBlockT<5, 20>;
template <> void MemBlock::dumpInfo(size_t level);
extern template class MemBlockT<5, 20>;
}
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