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-rw-r--r--tools/include/linux/filter.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/include/linux/filter.h b/tools/include/linux/filter.h
index 736bdeccdfe4..65aa8ce142e5 100644
--- a/tools/include/linux/filter.h
+++ b/tools/include/linux/filter.h
@@ -111,6 +111,24 @@
.off = 0, \
.imm = IMM })
+/* Short form of movsx, dst_reg = (s8,s16,s32)src_reg */
+
+#define BPF_MOVSX64_REG(DST, SRC, OFF) \
+ ((struct bpf_insn) { \
+ .code = BPF_ALU64 | BPF_MOV | BPF_X, \
+ .dst_reg = DST, \
+ .src_reg = SRC, \
+ .off = OFF, \
+ .imm = 0 })
+
+#define BPF_MOVSX32_REG(DST, SRC, OFF) \
+ ((struct bpf_insn) { \
+ .code = BPF_ALU | BPF_MOV | BPF_X, \
+ .dst_reg = DST, \
+ .src_reg = SRC, \
+ .off = OFF, \
+ .imm = 0 })
+
/* Short form of mov based on type, BPF_X: dst_reg = src_reg, BPF_K: dst_reg = imm32 */
#define BPF_MOV64_RAW(TYPE, DST, SRC, IMM) \