dump: Cleanup dump_begin write functions

There's no need to have a gigantic if in there let's move the elf
32/64 bit logic into the section, segment or note code.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220330123603.107120-9-frankja@linux.ibm.com>

dump/dump.c

@@ -564,46 +564,26 @@ static void dump_begin(DumpState *s, Error **errp)
         return;
     }
 
-    if (dump_is_64bit(s)) {
-        /* write all PT_LOAD to vmcore */
-        write_elf_loads(s, errp);
+    /* write all PT_LOAD to vmcore */
+    write_elf_loads(s, errp);
+    if (*errp) {
+        return;
+    }
+
+    /* write section to vmcore */
+    if (s->shdr_num) {
+        write_elf_section(s, 1, errp);
         if (*errp) {
             return;
         }
+    }
 
-        /* write section to vmcore */
-        if (s->shdr_num) {
-            write_elf_section(s, 1, errp);
-            if (*errp) {
-                return;
-            }
-        }
-
+    if (dump_is_64bit(s)) {
         /* write notes to vmcore */
         write_elf64_notes(fd_write_vmcore, s, errp);
-        if (*errp) {
-            return;
-        }
     } else {
-        /* write all PT_LOAD to vmcore */
-        write_elf_loads(s, errp);
-        if (*errp) {
-            return;
-        }
-
-        /* write section to vmcore */
-        if (s->shdr_num) {
-            write_elf_section(s, 0, errp);
-            if (*errp) {
-                return;
-            }
-        }
-
         /* write notes to vmcore */
         write_elf32_notes(fd_write_vmcore, s, errp);
-        if (*errp) {
-            return;
-        }
     }
 }