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.
12 /[^ :]+\.so\.[0-9.]+:[ ]+.file format .*$/ {
18 sub(/:$/, "", sofullname);
20 sub(/^.*\//, "", soname);
21 sub(/\.so\.[0-9.]+$/, "", soname);
23 suppress = ((filename_regexp != "" && sofullname !~ filename_regexp) \
24 || (libname_regexp != "" && soname !~ libname_regexp));
32 /^[0-9a-fA-F]+ / { sub(/ /, " - ") }
35 $4 == "*UND*" { next }
40 $2 == "g" || $2 == "w" && NF == 7 {
48 gsub(/[()]/, "", version);
50 if (version == "GLIBC_PRIVATE") next;
53 if (type == "D" && $4 == ".tbss") {
56 else if (type == "D" && $4 == ".opd") {
63 else if ($4 == "*ABS*") {
67 else if (type == "DO") {
70 else if (type == "DF") {
71 if (symbol ~ /^\./ && seen_opd >= 0)
77 else if (type == "iD" && $4 == ".text") {
83 desc = symbol " " version " " weak " ? " type " " $4 " " $5;
86 desc = symbol " " version " " weak " ? " type " " $4 " " $5;
89 # Disabled -- weakness should not matter to shared library ABIs any more.
90 #if (weak == "w") type = tolower(type);
92 desc = " " symbol " " type size;
95 version = soname " " version (combine_fullname ? " " sofullname : "");
97 if (version in versions) {
98 versions[version] = versions[version] "\n" desc;
101 versions[version] = desc;
107 NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
110 print "Don't grok this line:", $0
114 if (!end && (combine || ! parse_names || soname == ""))
116 tofile = parse_names && !combine;
119 for (version in versions) {
120 if (nverslist == 0) {
125 split(verslist, s, "\n");
126 if (version < s[1]) {
128 for (i = 1; i <= nverslist; ++i) {
129 verslist = verslist "\n" s[i];
134 for (i = 2; i <= nverslist; ++i) {
135 if (version < s[i]) break;
136 verslist = verslist "\n" s[i];
138 verslist = verslist "\n" version;
139 for (; i <= nverslist; ++i) {
140 verslist = verslist "\n" s[i];
147 out = prefix soname ".symlist";
148 if (soname in outfiles)
149 out = out "." ++outfiles[soname];
151 outfiles[soname] = 1;
155 split(verslist, order, "\n");
156 for (i = 1; i <= nverslist; ++i) {
160 print version >> out;
162 outpipe = "sort >> " out;
167 print prefix version;
170 print versions[version] | outpipe;
173 delete versions[version];
175 for (version in versions)
176 delete versions[version];
179 print "wrote", out, "for", sofullname;