diff options
Diffstat (limited to 'devtools/cocci/mtod-offset.cocci')
| -rw-r--r-- | devtools/cocci/mtod-offset.cocci | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/devtools/cocci/mtod-offset.cocci b/devtools/cocci/mtod-offset.cocci new file mode 100644 index 00000000..13134e9d --- /dev/null +++ b/devtools/cocci/mtod-offset.cocci @@ -0,0 +1,76 @@ +// +// Replace explicit packet offset computations with rte_pktmbuf_mtod_offset(). +// +@disable paren@ +typedef uint8_t; +expression M, O; +@@ +( +- rte_pktmbuf_mtod(M, char *) + O ++ rte_pktmbuf_mtod_offset(M, char *, O) +| +- rte_pktmbuf_mtod(M, char *) - O ++ rte_pktmbuf_mtod_offset(M, char *, -O) +| +- rte_pktmbuf_mtod(M, unsigned char *) + O ++ rte_pktmbuf_mtod_offset(M, unsigned char *, O) +| +- rte_pktmbuf_mtod(M, unsigned char *) - O ++ rte_pktmbuf_mtod_offset(M, unsigned char *, -O) +| +- rte_pktmbuf_mtod(M, uint8_t *) + O ++ rte_pktmbuf_mtod_offset(M, uint8_t *, O) +| +- rte_pktmbuf_mtod(M, uint8_t *) - O ++ rte_pktmbuf_mtod_offset(M, uint8_t *, -O) +) + + +// +// Fold subsequent offset terms into pre-existing offset used in +// rte_pktmbuf_mtod_offset(). +// +@disable paren@ +expression M, O1, O2; +@@ +( +- rte_pktmbuf_mtod_offset(M, char *, O1) + O2 ++ rte_pktmbuf_mtod_offset(M, char *, O1 + O2) +| +- rte_pktmbuf_mtod_offset(M, char *, O1) - O2 ++ rte_pktmbuf_mtod_offset(M, char *, O1 - O2) +| +- rte_pktmbuf_mtod_offset(M, unsigned char *, O1) + O2 ++ rte_pktmbuf_mtod_offset(M, unsigned char *, O1 + O2) +| +- rte_pktmbuf_mtod_offset(M, unsigned char *, O1) - O2 ++ rte_pktmbuf_mtod_offset(M, unsigned char *, O1 - O2) +| +- rte_pktmbuf_mtod_offset(M, uint8_t *, O1) + O2 ++ rte_pktmbuf_mtod_offset(M, uint8_t *, O1 + O2) +| +- rte_pktmbuf_mtod_offset(M, uint8_t *, O1) - O2 ++ rte_pktmbuf_mtod_offset(M, uint8_t *, O1 - O2) +) + + +// +// Cleanup rules. Fold in double casts, remove unnecessary paranthesis, etc. +// +@disable paren@ +expression M, O; +type C, T; +@@ +( +- (C)rte_pktmbuf_mtod_offset(M, T, O) ++ rte_pktmbuf_mtod_offset(M, C, O) +| +- (rte_pktmbuf_mtod_offset(M, T, O)) ++ rte_pktmbuf_mtod_offset(M, T, O) +| +- (C)rte_pktmbuf_mtod(M, T) ++ rte_pktmbuf_mtod(M, C) +| +- (rte_pktmbuf_mtod(M, T)) ++ rte_pktmbuf_mtod(M, T) +) |