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 desc = " " symbol " " (weak == "w" ? tolower(type) : type) size;
50 if (version in versions) {
51 versions[version] = versions[version] "\n" desc;
54 versions[version] = desc;
60 NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
63 print "Don't grok this line:", $0
68 for (version in versions) {
74 split(verslist, s, "\n");
77 for (i = 1; i <= nverslist; ++i) {
78 verslist = verslist "\n" s[i];
83 for (i = 2; i <= nverslist; ++i) {
84 if (version < s[i]) break;
85 verslist = verslist "\n" s[i];
87 verslist = verslist "\n" version;
88 for (; i <= nverslist; ++i) {
89 verslist = verslist "\n" s[i];
95 split(verslist, order, "\n");
96 for (i = 1; i <= nverslist; ++i) {
101 print versions[version] | outpipe;