1 files changed, 49 insertions, 0 deletions
diff --git a/scripts/abilist.awk b/scripts/abilist.awk
new file mode 100644
index 0000000000..385e85da80
--- /dev/null
+++ b/scripts/abilist.awk
@@ -0,0 +1,49 @@
+# This awk script processes the output of objdump --dynamic-syms
+# into a simple format that should not change when the ABI is not changing.
+
+BEGIN { outpipe = "sort" }
+
+# Normalize columns.
+/^[0-9a-fA-F]+      / { sub(/      /, "  -   ") }
+
+# Skip undefineds.
+$4 == "*UND*" { next }
+
+# Skip locals.
+$2 == "l" { next }
+
+$2 == "g" || $2 == "w" && NF == 7 {
+  weak = ($2 == "w") ? "weak" : "strong";
+  type = $3;
+  size = strtonum("0x" $5);
+  version = $6;
+  symbol = $7;
+  gsub(/[()]/, "", version);
+
+  if (version == "GLIBC_PRIVATE") next;
+
+  if (type == "D" && $4 == ".tbss") {
+    print symbol, version, weak, "TLS", size | outpipe;
+  }
+  else if (type == "DO" && $4 == "*ABS*") {
+    print symbol, version, weak, "ABS" | outpipe;
+  }
+  else if (type == "DO") {
+    print symbol, version, weak, "DATA", size | outpipe;
+  }
+  else if (type == "DF") {
+    print symbol, version, weak, "FUNC" | outpipe;
+  }
+  else {
+    print symbol, version, weak, "UNEXPECTED", type, $4, $5;
+  }
+
+  next;
+}
+
+# Header crapola.
+NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
+
+{
+  print "Don't grok this line:", $0
+}