powerpc64/bpf: jit support for 32bit offset jmp instruction

Add jit support for JMP32_JA instruction. Tested using test_bpf module.

Signed-off-by: Artem Savkov <asavkov@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240517075650.248801-2-asavkov@redhat.com

Author: sm00th

arch/powerpc/net/bpf_jit_comp64.c

@@ -1065,6 +1065,9 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, u32 *fimage, struct code
 		case BPF_JMP | BPF_JA:
 			PPC_JMP(addrs[i + 1 + off]);
 			break;
+		case BPF_JMP32 | BPF_JA:
+			PPC_JMP(addrs[i + 1 + imm]);
+			break;
 
 		case BPF_JMP | BPF_JGT | BPF_K:
 		case BPF_JMP | BPF_JGT | BPF_X: