malloc.c File Reference

#include <sys/types.h>
#include <stdio.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <malloc.h>
#include <list.h>
#include <debug.h>
#include <interrupt.h>

Include dependency graph for malloc.c:

Go to the source code of this file.

Data Structures
struct	chunk
	할당되는 메모리 청크 정보를 가지는 header More...
struct	chunk_stat

Macros
#define	ALIGNED(align, size)   ((uint32_t)((uint32_t)(size) + ((align) - ((uint32_t)(size) & ((align) - 1)))))
#define	CAN_BE_MERGED(prev, next)   ((struct chunk*)(((struct chunk*)(prev))->ptr + ((struct chunk*)(prev))->size) == next)
	두 노드의 공간이 병합 가능 한지 판단한다. More...

Functions
int	brk (void *ptr)
void *	calloc (size_t nmemb, size_t size)
void	free (void *ptr)
void *	malloc (size_t size)
void	malloc_init (uint32_t base, uint32_t size)
void *	memalign (size_t boundary, size_t size)
int	posix_memalign (void **memptr, size_t align, size_t size)
void *	sbrk (intptr_t increment)
void *	valloc (size_t size)

Variables
struct chunk	__PACKED

Macro Definition Documentation

#define ALIGNED	(		align,
			size
	)		((uint32_t)((uint32_t)(size) + ((align) - ((uint32_t)(size) & ((align) - 1)))))

Definition at line 26 of file malloc.c.

Referenced by free(), malloc(), and posix_memalign().

#define CAN_BE_MERGED	(		prev,
			next
	)		((struct chunk*)(((struct chunk*)(prev))->ptr + ((struct chunk*)(prev))->size) == next)

두 노드의 공간이 병합 가능 한지 판단한다.

Parameters

[in]	prev	낮은 주소에 위치한 노드
[in]	next	높은 주소에 위치한 노드

Returns

int 병합 가능하면 1, 그렇지 않으면 0

See Also

free()

Definition at line 23 of file malloc.c.

Referenced by free().

Function Documentation

void malloc_init	(	uint32_t	base,
		uint32_t	size
	)

Definition at line 65 of file malloc.c.

References chunk::size.

Variable Documentation

struct chunk __PACKED