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Add support for reporting mallocs / frees to valgrind through client requests.

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg@inf.u-szeged.hu
This commit is contained in:
Zoltan Herczeg
2015-11-03 00:09:12 -08:00
parent 911163e787
commit c81c730129
6 changed files with 108 additions and 12 deletions
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jerry-core/mem/mem-heap.cpp
+49 -3
View File
@@ -41,15 +41,54 @@
#ifdef JERRY_VALGRIND
# include "memcheck.h"
# define VALGRIND_NOACCESS_SPACE(p, s) (void)VALGRIND_MAKE_MEM_NOACCESS((p), (s))
# define VALGRIND_UNDEFINED_SPACE(p, s) (void)VALGRIND_MAKE_MEM_UNDEFINED((p), (s))
# define VALGRIND_DEFINED_SPACE(p, s) (void)VALGRIND_MAKE_MEM_DEFINED((p), (s))
# define VALGRIND_NOACCESS_SPACE(p, s) VALGRIND_MAKE_MEM_NOACCESS((p), (s))
# define VALGRIND_UNDEFINED_SPACE(p, s) VALGRIND_MAKE_MEM_UNDEFINED((p), (s))
# define VALGRIND_DEFINED_SPACE(p, s) VALGRIND_MAKE_MEM_DEFINED((p), (s))
#else /* JERRY_VALGRIND */
# define VALGRIND_NOACCESS_SPACE(p, s)
# define VALGRIND_UNDEFINED_SPACE(p, s)
# define VALGRIND_DEFINED_SPACE(p, s)
#endif /* JERRY_VALGRIND */
#ifdef JERRY_VALGRIND_FREYA
# include "memcheck.h"
/**
* Tells whether a pool manager allocator request is in progress.
*/
static bool valgrind_freya_mempool_request = false;
/**
* Called by pool manager before a heap allocation or free.
*/
void mem_heap_valgrind_freya_mempool_request (void)
{
valgrind_freya_mempool_request = true;
} /* mem_heap_valgrind_freya_mempool_request */
# define VALGRIND_FREYA_CHECK_MEMPOOL_REQUEST \
bool mempool_request = valgrind_freya_mempool_request; \
valgrind_freya_mempool_request = false
# define VALGRIND_FREYA_MALLOCLIKE_SPACE(p, s) \
if (!mempool_request) \
{ \
VALGRIND_MALLOCLIKE_BLOCK((p), (s), 0, 0); \
}
# define VALGRIND_FREYA_FREELIKE_SPACE(p) \
if (!mempool_request) \
{ \
VALGRIND_FREELIKE_BLOCK((p), 0); \
}
#else /* JERRY_VALGRIND_FREYA */
# define VALGRIND_FREYA_CHECK_MEMPOOL_REQUEST
# define VALGRIND_FREYA_MALLOCLIKE_SPACE(p, s)
# define VALGRIND_FREYA_FREELIKE_SPACE(p)
#endif /* JERRY_VALGRIND_FREYA */
/**
* Length type of the block
*/
@@ -489,6 +528,8 @@ mem_heap_alloc_block_try_give_memory_back (size_t size_in_bytes, /**< size of re
* (one-chunked or general) */
mem_heap_alloc_term_t alloc_term) /**< expected allocation term */
{
VALGRIND_FREYA_CHECK_MEMPOOL_REQUEST;
#ifdef MEM_GC_BEFORE_EACH_ALLOC
mem_run_try_to_give_memory_back_callbacks (MEM_TRY_GIVE_MEMORY_BACK_SEVERITY_CRITICAL);
#endif /* MEM_GC_BEFORE_EACH_ALLOC */
@@ -503,6 +544,7 @@ mem_heap_alloc_block_try_give_memory_back (size_t size_in_bytes, /**< size of re
if (likely (data_space_p != NULL))
{
VALGRIND_FREYA_MALLOCLIKE_SPACE (data_space_p, size_in_bytes);
return data_space_p;
}
@@ -516,6 +558,7 @@ mem_heap_alloc_block_try_give_memory_back (size_t size_in_bytes, /**< size of re
if (data_space_p != NULL)
{
VALGRIND_FREYA_MALLOCLIKE_SPACE (data_space_p, size_in_bytes);
return data_space_p;
}
}
@@ -580,6 +623,8 @@ mem_heap_alloc_chunked_block (mem_heap_alloc_term_t alloc_term) /**< expected al
void
mem_heap_free_block (void *ptr) /**< pointer to beginning of data space of the block */
{
VALGRIND_FREYA_CHECK_MEMPOOL_REQUEST;
uint8_t *uint8_ptr = (uint8_t*) ptr;
/* checking that uint8_ptr points to the heap */
@@ -661,6 +706,7 @@ mem_heap_free_block (void *ptr) /**< pointer to beginning of data space of the b
VALGRIND_CHECK_MEM_IS_ADDRESSABLE (ptr, mem_heap_allocated_bytes[chunk_index]);
#endif /* JERRY_VALGRIND */
VALGRIND_FREYA_FREELIKE_SPACE (ptr);
VALGRIND_NOACCESS_SPACE (ptr, chunks * MEM_HEAP_CHUNK_SIZE);
JERRY_ASSERT (mem_heap_allocated_chunks >= chunks);