mars/kernel/brick_checking.h

88 lines
2.4 KiB
C
Raw Normal View History

// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
#ifndef BRICK_CHECKING_H
#define BRICK_CHECKING_H
/////////////////////////////////////////////////////////////////////////
// checking
2013-04-26 19:05:35 +00:00
#if defined(CONFIG_MARS_DEBUG) || defined(CONFIG_MARS_CHECKS)
#define BRICK_CHECKING true
#else
#define BRICK_CHECKING false
#endif
#define _CHECK_ATOMIC(atom,OP,minval) \
2012-02-07 17:44:10 +00:00
do { \
if (BRICK_CHECKING) { \
int __test = atomic_read(atom); \
2013-04-26 19:05:35 +00:00
if (unlikely(__test OP (minval))) { \
atomic_set(atom, minval); \
BRICK_ERR("%d: atomic " #atom " " #OP " " #minval " (%d)\n", __LINE__, __test); \
} \
2012-02-07 17:44:10 +00:00
} \
} while (0)
#define CHECK_ATOMIC(atom,minval) \
_CHECK_ATOMIC(atom, <, minval)
#define CHECK_HEAD_EMPTY(head) \
2012-02-07 17:44:10 +00:00
do { \
if (BRICK_CHECKING && unlikely(!list_empty(head) && (head)->next)) { \
list_del_init(head); \
BRICK_ERR("%d: list_head " #head " (%p) not empty\n", __LINE__, head); \
} \
2012-02-07 17:44:10 +00:00
} while (0)
2013-04-26 19:05:35 +00:00
#ifdef CONFIG_MARS_DEBUG_MEM
2012-02-07 17:44:10 +00:00
#define CHECK_PTR_DEAD(ptr,label) \
do { \
if (BRICK_CHECKING && unlikely((ptr) == (void*)0x5a5a5a5a5a5a5a5a)) { \
BRICK_FAT("%d: pointer '" #ptr "' is DEAD\n", __LINE__); \
goto label; \
} \
} while (0)
2013-04-26 19:05:35 +00:00
#else
#define CHECK_PTR_DEAD(ptr,label) /*empty*/
#endif
#define CHECK_PTR_NULL(ptr,label) \
2012-02-07 17:44:10 +00:00
do { \
CHECK_PTR_DEAD(ptr, label); \
if (BRICK_CHECKING && unlikely(!(ptr))) { \
BRICK_FAT("%d: pointer '" #ptr "' is NULL\n", __LINE__); \
goto label; \
2012-02-07 17:44:10 +00:00
} \
} while (0)
2013-04-26 19:05:35 +00:00
#ifdef CONFIG_MARS_DEBUG
#define CHECK_PTR(ptr,label) \
2012-02-07 17:44:10 +00:00
do { \
CHECK_PTR_NULL(ptr, label); \
2012-02-07 17:44:10 +00:00
if (BRICK_CHECKING && unlikely(!virt_addr_valid(ptr))) { \
BRICK_FAT("%d: pointer '" #ptr "' (%p) is no valid virtual KERNEL address\n", __LINE__, ptr); \
goto label; \
2012-02-07 17:44:10 +00:00
} \
} while (0)
2013-04-26 19:05:35 +00:00
#else
#define CHECK_PTR(ptr,label) CHECK_PTR_NULL(ptr,label)
#endif
2012-12-07 10:30:04 +00:00
#define CHECK_ASPECT(a_ptr, o_ptr,label) \
do { \
if (BRICK_CHECKING && unlikely((a_ptr)->object != o_ptr)) { \
BRICK_FAT("%d: aspect pointer '" #a_ptr "' (%p) belongs to object %p, not to " #o_ptr " (%p)\n", __LINE__, a_ptr, (a_ptr)->object, o_ptr); \
goto label; \
} \
} while (0)
#define _CHECK(ptr,label) \
2012-02-07 17:44:10 +00:00
do { \
if (BRICK_CHECKING && unlikely(!(ptr))) { \
BRICK_FAT("%d: condition '" #ptr "' is VIOLATED\n", __LINE__); \
goto label; \
2012-02-07 17:44:10 +00:00
} \
} while (0)
#endif