Make debug tests work with Ubuntu 22.04 (#5473)

test/db/archos/linux-x64/dbg_maps

@@ -13,7 +13,8 @@ NAME=dbg.maps.count
 FILE=bins/elf/analysis/elf-nx
 ARGS=-d
 CMDS=<<EOF
-dm~?
+. scripts/alt_count.rz
+.(alt_count `dm~?` 9 10)
 EOF
 EXPECT=<<EOF
 10
@@ -24,8 +25,9 @@ NAME=debug map flags count
 FILE=bins/elf/analysis/elf-nx
 ARGS=-d
 CMDS=<<EOF
-fl@F:maps~?
-dm*~?
+. scripts/alt_count.rz
+.(alt_count `fl@F:maps~?` 9 10)
+.(alt_count `dm*~?` 11 12)
 EOF
 EXPECT=<<EOF
 10
@@ -37,18 +39,16 @@ NAME=dbg.maps.count.after.map
 FILE=bins/elf/analysis/x86-helloworld-gcc
 ARGS=-d
 CMDS=<<EOF
-dm~?
+. scripts/alt_count.rz
+.(alt_count `dm~?` 9 10)
 db @ sym.imp.puts
 dc~?
 echo ----
 $dm=%b64- `dm | base64 -w 0`
 $dm~x86-helloworld-gcc~?
-$libc_count=$`$dm~/usr/lib32/libc.so.6~?`
-%= `$libc_count`-6
-%! %vi 5
-%% $libc_count
+.(alt_count `$dm~/usr/lib32/libc.so.6~?` 6 5)
 $dm~unk~?
-$dm~[v~?
+.(alt_count `$dm~[v~?` 2 3)
 $dm~/usr/lib32/ld-linux.so.2~?
 $dm~[stack~?
 echo ----

test/db/archos/linux-x64/dbg_oo

@@ -96,9 +96,10 @@ NAME=dm flags after ood
 FILE=bins/elf/analysis/x86-helloworld-gcc
 ARGS=-e log.level=4
 CMDS=<<EOF
+. scripts/alt_count.rz
 ood
-fl@F:maps~?
-dm*~?
+.(alt_count `fl@F:maps~?` 9 10)
+.(alt_count `dm*~?` 11 12)
 EOF
 EXPECT=<<EOF
 10

test/scripts/alt_count.rz

@@ -0,0 +1,2 @@
+# If `result` is `alt_count`, print `count`
+(alt_count result alt_count count; $count=$${result}; %= `$count`-${alt_count}; %! %vi ${count}; %% $count)