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)
78 desc = symbol " " version " " weak " ? " type " " $4 " " $5;
81 desc = symbol " " version " " weak " ? " type " " $4 " " $5;
84 # Disabled -- weakness should not matter to shared library ABIs any more.
85 #if (weak == "w") type = tolower(type);
87 desc = " " symbol " " type size;
90 version = soname " " version (combine_fullname ? " " sofullname : "");
92 if (version in versions) {
93 versions[version] = versions[version] "\n" desc;
96 versions[version] = desc;
102 NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
105 print "Don't grok this line:", $0
109 if (! parse_names || soname == "")
116 for (version in versions) {
117 if (nverslist == 0) {
122 split(verslist, s, "\n");
123 if (version < s[1]) {
125 for (i = 1; i <= nverslist; ++i) {
126 verslist = verslist "\n" s[i];
131 for (i = 2; i <= nverslist; ++i) {
132 if (version < s[i]) break;
133 verslist = verslist "\n" s[i];
135 verslist = verslist "\n" version;
136 for (; i <= nverslist; ++i) {
137 verslist = verslist "\n" s[i];
144 out = prefix soname ".symlist";
145 if (soname in outfiles)
146 out = out "." ++outfiles[soname];
148 outfiles[soname] = 1;
152 split(verslist, order, "\n");
153 for (i = 1; i <= nverslist; ++i) {
157 print version >> out;
159 outpipe = "sort >> " out;
164 print prefix version;
167 print versions[version] | outpipe;
170 delete versions[version];
172 for (version in versions)
173 delete versions[version];
176 print "wrote", out, "for", sofullname;