c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-22 18:40:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fix ASSERT macros to not over-expand

Browse Source 
The code reuse in the definitions of the ASSERT and VERIFY macros result
in expansion of their arguments before they are stringified, which
produces ugly and undesirable output.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #7884
This commit is contained in:
Paul Dagnelie
2018-10-03 20:16:45 -07:00
committed by Brian Behlendorf
parent 95542372e6
commit 6e8b268875
2 changed files with 103 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/spl/sys/debug.h
+55 -18
View File
@@ -63,22 +63,59 @@ void spl_dumpstack(void);
spl_panic(__FILE__, __FUNCTION__, __LINE__, \
"%s", "VERIFY(" #cond ") failed\n"))
#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE, FMT, CAST) do { \
TYPE _verify3_left = (TYPE)(LEFT); \
TYPE _verify3_right = (TYPE)(RIGHT); \
#define VERIFY3B(LEFT, OP, RIGHT) do { \
boolean_t _verify3_left = (boolean_t)(LEFT); \
boolean_t _verify3_right = (boolean_t)(RIGHT); \
if (!(_verify3_left OP _verify3_right)) \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \
"VERIFY3(" #LEFT " " #OP " " #RIGHT ") " \
"failed (" FMT " " #OP " " FMT ")\n", \
CAST (_verify3_left), CAST (_verify3_right)); \
"VERIFY3(" #LEFT " " #OP " " #RIGHT ") " \
"failed (%d " #OP " %d)\n", \
(boolean_t) (_verify3_left), \
(boolean_t) (_verify3_right)); \
} while (0)
#define VERIFY3B(x,y,z) VERIFY3_IMPL(x, y, z, boolean_t, "%d", (boolean_t))
#define VERIFY3S(x,y,z) VERIFY3_IMPL(x, y, z, int64_t, "%lld", (long long))
#define VERIFY3U(x,y,z) VERIFY3_IMPL(x, y, z, uint64_t, "%llu", \
(unsigned long long))
#define VERIFY3P(x,y,z) VERIFY3_IMPL(x, y, z, uintptr_t, "%p", (void *))
#define VERIFY0(x) VERIFY3_IMPL(0, ==, x, int64_t, "%lld", (long long))
#define VERIFY3S(LEFT, OP, RIGHT) do { \
int64_t _verify3_left = (int64_t)(LEFT); \
int64_t _verify3_right = (int64_t)(RIGHT); \
if (!(_verify3_left OP _verify3_right)) \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \
"VERIFY3(" #LEFT " " #OP " " #RIGHT ") " \
"failed (%lld " #OP " %lld)\n", \
(long long) (_verify3_left), \
(long long) (_verify3_right)); \
} while (0)
#define VERIFY3U(LEFT, OP, RIGHT) do { \
uint64_t _verify3_left = (uint64_t)(LEFT); \
uint64_t _verify3_right = (uint64_t)(RIGHT); \
if (!(_verify3_left OP _verify3_right)) \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \
"VERIFY3(" #LEFT " " #OP " " #RIGHT ") " \
"failed (%llu " #OP " %llu)\n", \
(unsigned long long) (_verify3_left), \
(unsigned long long) (_verify3_right)); \
} while (0)
#define VERIFY3P(LEFT, OP, RIGHT) do { \
uintptr_t _verify3_left = (uintptr_t)(LEFT); \
uintptr_t _verify3_right = (uintptr_t)(RIGHT); \
if (!(_verify3_left OP _verify3_right)) \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \
"VERIFY3(" #LEFT " " #OP " " #RIGHT ") " \
"failed (%p " #OP " %p)\n", \
(void *) (_verify3_left), \
(void *) (_verify3_right)); \
} while (0)
#define VERIFY0(RIGHT) do { \
int64_t _verify3_left = (int64_t)(0); \
int64_t _verify3_right = (int64_t)(RIGHT); \
if (!(_verify3_left == _verify3_right)) \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \
"VERIFY3(0 == " #RIGHT ") " \
"failed (0 == %lld)\n", \
(long long) (_verify3_right)); \
} while (0)
#define CTASSERT_GLOBAL(x) _CTASSERT(x, __LINE__)
#define CTASSERT(x) { _CTASSERT(x, __LINE__); }
@@ -107,13 +144,13 @@ void spl_dumpstack(void);
*/
#else
#define ASSERT(cond) VERIFY(cond)
#define ASSERT3B VERIFY3B
#define ASSERT3S VERIFY3S
#define ASSERT3U VERIFY3U
#define ASSERT3P VERIFY3P
#define ASSERT0 VERIFY0
#define ASSERT VERIFY
#define ASSERTV(x) x
#define ASSERT3B(x,y,z) VERIFY3B(x, y, z)
#define ASSERT3S(x,y,z) VERIFY3S(x, y, z)
#define ASSERT3U(x,y,z) VERIFY3U(x, y, z)
#define ASSERT3P(x,y,z) VERIFY3P(x, y, z)
#define ASSERT0(x) VERIFY0(x)
#define IMPLY(A, B) \
((void)(((!(A)) || (B)) || \
spl_panic(__FILE__, __FUNCTION__, __LINE__, \