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add memory debug (kmalloc/kfree)

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* support "memdebug" mckernel option
* check buffer overrun when memory free and next mcexec run
* check double free
* check memory leak when next mcexec run
This commit is contained in:
Tomoki Shirasawa
2014-10-07 15:45:16 +09:00
parent f3ea226d91
commit 658aa18ade
5 changed files with 348 additions and 8 deletions
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15
kernel/include/kmalloc.h
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@@ -15,7 +15,18 @@
#include <ihk/mm.h>
void *kmalloc(int size, enum ihk_mc_ap_flag flag);
void kfree(void *ptr);
#define kmalloc(size, flag) _kmalloc(size, flag, __FILE__, __LINE__)
#define kfree(ptr) _kfree(ptr, __FILE__, __LINE__)
#define memcheck(ptr, msg) _memcheck(ptr, msg, __FILE__, __LINE__, 0)
void *_kmalloc(int size, enum ihk_mc_ap_flag flag, char *file, int line);
void _kfree(void *ptr, char *file, int line);
void *__kmalloc(int size, enum ihk_mc_ap_flag flag);
void __kfree(void *ptr);
void *___kmalloc(int size, enum ihk_mc_ap_flag flag);
void ___kfree(void *ptr);
int _memcheck(void *ptr, char *msg, char *file, int line, int free);
int memcheckall();
int freecheck(int runcount);
#endif