1 files changed, 62 insertions, 0 deletions
diff --git a/scripts/gen_symbol_version_map.awk b/scripts/gen_symbol_version_map.awk
new file mode 100644
index 0000000..5feb44f
--- /dev/null
+++ b/scripts/gen_symbol_version_map.awk
@@ -0,0 +1,62 @@
+BEGIN {
+	split(ENVIRON["SYMBOLS"], SYMBOLS);
+}
+
+{
+	for (x in SYMBOLS) {
+		sym_regex = "^" SYMBOLS[x] "(@|$)"
+		if ($8 ~ sym_regex) {
+			split($8, symbol_array, /@|@@/);
+
+			# Handle non-versioned libc's like uClibc ...
+			if (!symbol_array[2])
+				symbol_array[2] = "";
+
+			SYMBOL_LIST[symbol_array[2]] = SYMBOL_LIST[symbol_array[2]] " " symbol_array[1];
+		}
+	}
+}
+
+END {
+	for (sym_version in SYMBOL_LIST) {
+		if (sym_version)
+			VERSIONS = VERSIONS " " sym_version;
+	}
+
+	# We need the symbol versions sorted alphabetically ...
+	if (VERSIONS) {
+		split(VERSIONS, VERSION_LIST);
+		COUNT = asort(VERSION_LIST);
+	} else {
+		# Handle non-versioned libc's like uClibc ...
+		COUNT = 1;
+	}
+	
+	for (i = 1; i <= COUNT; i++) {
+		if (VERSION_LIST[i]) {
+			sym_version = VERSION_LIST[i];
+			printf("%s {\n", sym_version);
+		} else {
+			# Handle non-versioned libc's like uClibc ...
+			sym_version = "";
+			printf("{\n");
+		}
+		
+		printf("  global:\n");
+		
+		split(SYMBOL_LIST[sym_version], sym_names);
+		
+		for (x in sym_names)
+			printf("    %s;\n", sym_names[x]);
+		
+		if (!old_sym_version) {
+			printf("  local:\n");
+			printf("    *;\n");
+			printf("};\n");
+		} else {
+			printf("} %s;\n", old_sym_version);
+		}
+		
+		old_sym_version = sym_version;
+	}
+}