alloc.h File Reference

#include <new>
#include <base/system.h>

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Macros
#define	__has_feature(x)   0
#define	ASAN_POISON_MEMORY_REGION(addr, size)    ((void)(addr), (void)(size))
#define	ASAN_UNPOISON_MEMORY_REGION(addr, size)    ((void)(addr), (void)(size))
#define	MACRO_ALLOC_HEAP()
#define	MACRO_ALLOC_POOL_ID()
#define	MACRO_ALLOC_GET_SIZE(POOLTYPE)   (sizeof(POOLTYPE))
#define	MACRO_ALLOC_POOL_ID_IMPL(POOLTYPE, PoolSize)

Macro Definition Documentation

__has_feature

#define __has_feature

(

x

)

0

ASAN_POISON_MEMORY_REGION

#define ASAN_POISON_MEMORY_REGION	(		addr,
			size
	)		((void)(addr), (void)(size))

ASAN_UNPOISON_MEMORY_REGION

#define ASAN_UNPOISON_MEMORY_REGION	(		addr,
			size
	)		((void)(addr), (void)(size))

MACRO_ALLOC_GET_SIZE

#define MACRO_ALLOC_GET_SIZE

(

POOLTYPE

)

(sizeof(POOLTYPE))

MACRO_ALLOC_HEAP

#define MACRO_ALLOC_HEAP

(

)

Value:

public: \
    void *operator new(size_t Size) \
    { \
        void *pObj = malloc(Size); \
		mem_zero(pObj, Size); \
        return pObj; \
    } \
    void operator delete(void *pPtr) \
    { \
		free(pPtr); \
    } \
\
private:

MACRO_ALLOC_POOL_ID

#define MACRO_ALLOC_POOL_ID

(

)

Value:

public: \
    void *operator new(size_t Size, int Id); \
    void operator delete(void *pObj, int Id); \
    void operator delete(void *pObj); /* NOLINT(misc-new-delete-overloads) */ \
\
private:

MACRO_ALLOC_POOL_ID_IMPL

#define MACRO_ALLOC_POOL_ID_IMPL	(		POOLTYPE,
			PoolSize
	)

Value:

    static char gs_PoolData##POOLTYPE[PoolSize][MACRO_ALLOC_GET_SIZE(POOLTYPE)] = {{0}}; \
    static int gs_PoolUsed##POOLTYPE[PoolSize] = {0}; \
    [[maybe_unused]] static int gs_PoolDummy##POOLTYPE = (ASAN_POISON_MEMORY_REGION(gs_PoolData##POOLTYPE, sizeof(gs_PoolData##POOLTYPE)), 0); \
    void *POOLTYPE::operator new(size_t Size, int Id) \
    { \
		dbg_assert(sizeof(POOLTYPE) >= Size, "size error"); \
		dbg_assert(!gs_PoolUsed##POOLTYPE[Id], "already used"); \
		ASAN_UNPOISON_MEMORY_REGION(gs_PoolData##POOLTYPE[Id], sizeof(gs_PoolData##POOLTYPE[Id])); \
        gs_PoolUsed##POOLTYPE[Id] = 1; \
		mem_zero(gs_PoolData##POOLTYPE[Id], sizeof(gs_PoolData##POOLTYPE[Id])); \
        return gs_PoolData##POOLTYPE[Id]; \
    } \
    void POOLTYPE::operator delete(void *pObj, int Id) \
    { \
		dbg_assert(gs_PoolUsed##POOLTYPE[Id], "not used"); \
		dbg_assert(Id == (POOLTYPE *)pObj - (POOLTYPE *)gs_PoolData##POOLTYPE, "invalid id"); /* NOLINT(bugprone-pointer-arithmetic-on-polymorphic-object) */ \
        gs_PoolUsed##POOLTYPE[Id] = 0; \
		mem_zero(gs_PoolData##POOLTYPE[Id], sizeof(gs_PoolData##POOLTYPE[Id])); \
		ASAN_POISON_MEMORY_REGION(gs_PoolData##POOLTYPE[Id], sizeof(gs_PoolData##POOLTYPE[Id])); \
    } \
    void POOLTYPE::operator delete(void *pObj) /* NOLINT(misc-new-delete-overloads) */ \
    { \
        int Id = (POOLTYPE *)pObj - (POOLTYPE *)gs_PoolData##POOLTYPE; /* NOLINT(bugprone-pointer-arithmetic-on-polymorphic-object) */ \
		dbg_assert(gs_PoolUsed##POOLTYPE[Id], "not used"); \
        gs_PoolUsed##POOLTYPE[Id] = 0; \
		mem_zero(gs_PoolData##POOLTYPE[Id], sizeof(gs_PoolData##POOLTYPE[Id])); \
		ASAN_POISON_MEMORY_REGION(gs_PoolData##POOLTYPE[Id], sizeof(gs_PoolData##POOLTYPE[Id])); \
    }