/home/travis/build/MoarVM/MoarVM/src/core/regionalloc.h

Source
/* A block of bump-pointer allocated memory. For single-threaded use only. */
struct MVMRegionBlock {
    /* The memory buffer itself. */
    char *buffer;

    /* Current allocation position. */
    char *alloc;

    /* Allocation limit. */
    char *limit;

    /* Previous, now full, memory block. */
    MVMRegionBlock *prev;
};

struct MVMRegionAlloc {
    MVMRegionBlock *block;
};

/* The default allocation chunk size for memory blocks used to store spesh
 * graph nodes. Power of two is best; we start small also. */
#define MVM_REGIONALLOC_FIRST_MEMBLOCK_SIZE 32768
#define MVM_REGIONALLOC_MEMBLOCK_SIZE       8192

void * MVM_region_alloc(MVMThreadContext *tc, MVMRegionAlloc *alloc, size_t s);
void MVM_region_destroy(MVMThreadContext *tc, MVMRegionAlloc *alloc);

Coverage Report

Created: 2018-07-03 15:31

Line	Count	Source
1		/* A block of bump-pointer allocated memory. For single-threaded use only. */
2		struct MVMRegionBlock {
3		/* The memory buffer itself. */
4		char *buffer;
5
6		/* Current allocation position. */
7		char *alloc;
8
9		/* Allocation limit. */
10		char *limit;
11
12		/* Previous, now full, memory block. */
13		MVMRegionBlock *prev;
14		};
15
16		struct MVMRegionAlloc {
17		MVMRegionBlock *block;
18		};
19
20		/* The default allocation chunk size for memory blocks used to store spesh
21		* graph nodes. Power of two is best; we start small also. */
22	21.1k	#define MVM_REGIONALLOC_FIRST_MEMBLOCK_SIZE 32768
23	377k	#define MVM_REGIONALLOC_MEMBLOCK_SIZE 8192
24
25		void * MVM_region_alloc(MVMThreadContext tc, MVMRegionAlloc alloc, size_t s);
26		void MVM_region_destroy(MVMThreadContext tc, MVMRegionAlloc alloc);