1 # This awk script processes the output of objdump --dynamic-syms
2 # into a simple format that should not change when the ABI is not changing.
5 /^[0-9a-fA-F]+ / { sub(/ /, " - ") }
13 $2 == "g" || $2 == "w" && NF == 7 {
21 gsub(/[()]/, "", version);
23 if (version == "GLIBC_PRIVATE") next;
25 if (type == "D" && $4 == ".tbss") {
28 else if (type == "D" && $4 == ".opd") {
32 else if (type == "DO" && $4 == "*ABS*") {
36 else if (type == "DO") {
39 else if (type == "DF") {
44 print symbol, version, weak, "?", type, $4, $5;
48 # Disabled -- weakness should not matter to shared library ABIs any more.
49 #if (weak == "w") type = tolower(type);
50 desc = " " symbol " " type size;
52 if (version in versions) {
53 versions[version] = versions[version] "\n" desc;
56 versions[version] = desc;
62 NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
65 print "Don't grok this line:", $0
70 for (version in versions) {
76 split(verslist, s, "\n");
79 for (i = 1; i <= nverslist; ++i) {
80 verslist = verslist "\n" s[i];
85 for (i = 2; i <= nverslist; ++i) {
86 if (version < s[i]) break;
87 verslist = verslist "\n" s[i];
89 verslist = verslist "\n" version;
90 for (; i <= nverslist; ++i) {
91 verslist = verslist "\n" s[i];
97 split(verslist, order, "\n");
98 for (i = 1; i <= nverslist; ++i) {
103 print versions[version] | outpipe;