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Put all allocation functions into dispatch table.

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Implement these new functions for all of the debug malloc types.

Fix a number of bugs in the debug malloc functions related to overflow
conditions.
Fix a bug in dlpvalloc due to an overflow condition.

Fix various other bugs in the debug malloc functions.

Add new tests for malloc functions.

Bug: 11225066

Change-Id: Idf50f389603e2157645565bc15cd9365eec2e9dd
This commit is contained in:
Christopher Ferris
2014-06-09 19:14:11 -07:00
parent 0ada9388e7
commit a403780538
7 changed files with 698 additions and 451 deletions
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24
libc/bionic/malloc_debug_common.h
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@@ -83,19 +83,27 @@ struct HashTable {
};
/* Entry in malloc dispatch table. */
typedef void* (*MallocDebugMalloc)(size_t);
typedef void (*MallocDebugFree)(void*);
typedef void* (*MallocDebugCalloc)(size_t, size_t);
typedef void* (*MallocDebugRealloc)(void*, size_t);
typedef void* (*MallocDebugMemalign)(size_t, size_t);
typedef void (*MallocDebugFree)(void*);
typedef struct mallinfo (*MallocDebugMallinfo)();
typedef void* (*MallocDebugMalloc)(size_t);
typedef size_t (*MallocDebugMallocUsableSize)(const void*);
typedef void* (*MallocDebugMemalign)(size_t, size_t);
typedef int (*MallocDebugPosixMemalign)(void**, size_t, size_t);
typedef void* (*MallocDebugPvalloc)(size_t);
typedef void* (*MallocDebugRealloc)(void*, size_t);
typedef void* (*MallocDebugValloc)(size_t);
struct MallocDebug {
MallocDebugMalloc malloc;
MallocDebugFree free;
MallocDebugCalloc calloc;
MallocDebugRealloc realloc;
MallocDebugMemalign memalign;
MallocDebugFree free;
MallocDebugMallinfo mallinfo;
MallocDebugMalloc malloc;
MallocDebugMallocUsableSize malloc_usable_size;
MallocDebugMemalign memalign;
MallocDebugPosixMemalign posix_memalign;
MallocDebugPvalloc pvalloc;
MallocDebugRealloc realloc;
MallocDebugValloc valloc;
};
typedef bool (*MallocDebugInit)(HashTable*);