compel/compat: fixup for head_start addr

Resolves merge conflict with commit 71abfb84e158 ("compel: simplify
usage wrt ids").
Sets start ip for parasite blob according to app mode: native/compat.

travis-ci: success for Rectify 32-bit compatible C/R on x86
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

compel/src/lib/handle-elf.c

@@ -593,8 +593,14 @@ int __handle_elf(void *mem, size_t size)
 	pr_out("\tpbd->hdr.bsize		= sizeof(%s_blob);\n",
 			opts.prefix);
 	pr_out("\tpbd->hdr.nr_gotpcrel	= %s_nr_gotpcrel;\n", opts.prefix);
-	pr_out("\tpbd->hdr.parasite_ip_off	= "
-			"%s_sym__export_parasite_head_start;\n", opts.prefix);
+	pr_out("\tif (compel_mode_native(ctl))\n");
+	pr_out("\t\tpbd->hdr.parasite_ip_off	= "
+		"%s_sym__export_parasite_head_start;\n", opts.prefix);
+	pr_out("#ifdef CONFIG_COMPAT\n");
+	pr_out("\telse\n");
+	pr_out("\t\tpbd->hdr.parasite_ip_off	= "
+		"%s_sym__export_parasite_head_start_compat;\n", opts.prefix);
+	pr_out("#endif /* CONFIG_COMPAT */\n");
 	pr_out("\tpbd->hdr.addr_cmd_off	= "
 			"%s_sym__export_parasite_cmd;\n", opts.prefix);
 	pr_out("\tpbd->hdr.addr_arg_off	= "

compel/test/infect/spy.c

@@ -22,7 +22,6 @@ static int do_infection(int pid)
 	int state;
 	struct parasite_ctl *ctl;
 	struct infect_ctx *ictx;
-	struct parasite_blob_desc *pbd;
 	int *arg;
 
 	compel_log_init(print_vmsg, LOG_DEBUG);