summaryrefslogtreecommitdiffstats
path: root/arch/arm64/net
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/net')
-rw-r--r--arch/arm64/net/bpf_jit.h4
-rw-r--r--arch/arm64/net/bpf_jit_comp.c3
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h
index a6acb94ea3d6..c2edadb8ec6a 100644
--- a/arch/arm64/net/bpf_jit.h
+++ b/arch/arm64/net/bpf_jit.h
@@ -281,4 +281,8 @@
/* DMB */
#define A64_DMB_ISH aarch64_insn_gen_dmb(AARCH64_INSN_MB_ISH)
+/* ADR */
+#define A64_ADR(Rd, offset) \
+ aarch64_insn_gen_adr(0, offset, Rd, AARCH64_INSN_ADR_TYPE_ADR)
+
#endif /* _BPF_JIT_H */
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 62f805f427b7..b26da8efa616 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -1900,7 +1900,8 @@ static int prepare_trampoline(struct jit_ctx *ctx, struct bpf_tramp_image *im,
restore_args(ctx, args_off, nargs);
/* call original func */
emit(A64_LDR64I(A64_R(10), A64_SP, retaddr_off), ctx);
- emit(A64_BLR(A64_R(10)), ctx);
+ emit(A64_ADR(A64_LR, AARCH64_INSN_SIZE * 2), ctx);
+ emit(A64_RET(A64_R(10)), ctx);
/* store return value */
emit(A64_STR64I(A64_R(0), A64_SP, retval_off), ctx);
/* reserve a nop for bpf_tramp_image_put */