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authorDag-Erling Smørgrav <[email protected]>2023-08-30 17:13:09 +0200
committerBrian Behlendorf <[email protected]>2023-09-19 17:21:55 -0700
commit506fe78c4843cd1f17e2aa183adce8e9717069c4 (patch)
treea925ae19985ca8bb6aa95c6650add78761ac9291 /include/os/freebsd/spl/sys/debug.h
parent01d9283af35498202acee9e6cd17dba1cb1fe87b (diff)
Add VERIFY0P() and ASSERT0P() macros.
These macros are similar to VERIFY0() and ASSERT0() but are intended for pointers, and therefore use uintptr_t instead of int64_t. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Kay Pedersen <[email protected]> Reviewed-by: Alexander Motin <[email protected]> Signed-off-by: Dag-Erling Smørgrav <[email protected]> Closes #15225
Diffstat (limited to 'include/os/freebsd/spl/sys/debug.h')
-rw-r--r--include/os/freebsd/spl/sys/debug.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/os/freebsd/spl/sys/debug.h b/include/os/freebsd/spl/sys/debug.h
index b29d0daec..785fcf62d 100644
--- a/include/os/freebsd/spl/sys/debug.h
+++ b/include/os/freebsd/spl/sys/debug.h
@@ -39,12 +39,14 @@
* ASSERT3U() - Assert unsigned X OP Y is true, if not panic.
* ASSERT3P() - Assert pointer X OP Y is true, if not panic.
* ASSERT0() - Assert value is zero, if not panic.
+ * ASSERT0P() - Assert pointer is null, if not panic.
* VERIFY() - Verify X is true, if not panic.
* VERIFY3B() - Verify boolean X OP Y is true, if not panic.
* VERIFY3S() - Verify signed X OP Y is true, if not panic.
* VERIFY3U() - Verify unsigned X OP Y is true, if not panic.
* VERIFY3P() - Verify pointer X OP Y is true, if not panic.
* VERIFY0() - Verify value is zero, if not panic.
+ * VERIFY0P() - Verify pointer is null, if not panic.
*/
#ifndef _SPL_DEBUG_H
@@ -135,6 +137,15 @@ spl_assert(const char *buf, const char *file, const char *func, int line)
(long long)_verify0_right); \
} while (0)
+#define VERIFY0P(RIGHT) do { \
+ const uintptr_t _verify0_right = (uintptr_t)(RIGHT); \
+ if (unlikely(!(0 == _verify0_right))) \
+ spl_panic(__FILE__, __FUNCTION__, __LINE__, \
+ "VERIFY0P(" #RIGHT ") " \
+ "failed (NULL == %p)\n", \
+ (void *)_verify0_right); \
+ } while (0)
+
/*
* Debugging disabled (--disable-debug)
*/
@@ -150,6 +161,7 @@ spl_assert(const char *buf, const char *file, const char *func, int line)
#define ASSERT3P(x, y, z) \
((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z)))
#define ASSERT0(x) ((void) sizeof ((uintptr_t)(x)))
+#define ASSERT0P(x) ((void) sizeof ((uintptr_t)(x)))
#define IMPLY(A, B) \
((void) sizeof ((uintptr_t)(A)), (void) sizeof ((uintptr_t)(B)))
#define EQUIV(A, B) \
@@ -165,6 +177,7 @@ spl_assert(const char *buf, const char *file, const char *func, int line)
#define ASSERT3U VERIFY3U
#define ASSERT3P VERIFY3P
#define ASSERT0 VERIFY0
+#define ASSERT0P VERIFY0P
#define ASSERT VERIFY
#define IMPLY(A, B) \
((void)(likely((!(A)) || (B)) || \