emit_store_stack_imm64
emit_store_stack_imm64(RV_REG_T1, -func_meta_off, meta, ctx);
emit_store_stack_imm64(RV_REG_T1, -ip_off, (u64)func_addr, ctx);
emit_store_stack_imm64(RV_REG_T1, -func_meta_off, func_meta, ctx);
emit_store_stack_imm64(RV_REG_T1, -func_meta_off, func_meta, ctx);
emit_store_stack_imm64(RV_REG_T1, -run_ctx_off + cookie_off, l->cookie, ctx);
emit_store_stack_imm64(&prog, BPF_REG_0, -func_meta_off,
emit_store_stack_imm64(&prog, BPF_REG_0, -func_meta_off, func_meta);
emit_store_stack_imm64(&prog, BPF_REG_0, -ip_off, (long)func_addr);
emit_store_stack_imm64(&prog, BPF_REG_0, -cookie_off + 8 * i, 0);
emit_store_stack_imm64(&prog, BPF_REG_0, -8, 0);
emit_store_stack_imm64(&prog, BPF_REG_0, -func_meta_off, func_meta);