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Replace ASSERTV macro with compiler annotation

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Remove the ASSERTV macro and handle suppressing unused 
compiler warnings for variables only in ASSERTs using the 
__attribute__((unused)) compiler annotation.  The annotation
is understood by both gcc and clang.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9671
This commit is contained in:
Matthew Macy
2019-12-05 12:37:00 -08:00
committed by Brian Behlendorf
parent 12395c7b0b
commit 2a8ba608d3
28 changed files with 66 additions and 61 deletions
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include/os/linux/spl/sys/debug.h
+4 -2
View File
@@ -52,6 +52,10 @@
*/
#define __printflike(a, b) __printf(a, b)
#ifndef __maybe_unused
#define __maybe_unused __attribute__((unused))
#endif
int spl_panic(const char *file, const char *func, int line,
const char *fmt, ...);
void spl_dumpstack(void);
@@ -132,7 +136,6 @@ void spl_dumpstack(void);
#ifdef NDEBUG
#define ASSERT(x) ((void)0)
#define ASSERTV(x)
#define ASSERT3B(x,y,z) ((void)0)
#define ASSERT3S(x,y,z) ((void)0)
#define ASSERT3U(x,y,z) ((void)0)
@@ -152,7 +155,6 @@ void spl_dumpstack(void);
#define ASSERT3P VERIFY3P
#define ASSERT0 VERIFY0
#define ASSERT VERIFY
#define ASSERTV(x) x
#define IMPLY(A, B) \
((void)(((!(A)) || (B)) || \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \