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 # If the target uses ST_OTHER, it will be output before the symbol name.
41 $2 == "g" || $2 == "w" && (NF == 7 || NF == 8) {
49 gsub(/[()]/, "", version);
51 if (version == "GLIBC_PRIVATE") next;
54 if (type == "D" && $4 == ".tbss") {
57 else if (type == "D" && $4 == ".opd") {
64 else if (type == "D" && NF == 8 && $7 == "0x80") {
65 # Alpha functions avoiding plt entry in users
70 else if ($4 == "*ABS*") {
74 else if (type == "DO") {
77 else if (type == "DF") {
78 if (symbol ~ /^\./ && seen_opd >= 0)
84 else if (type == "iD" && ($4 == ".text" || $4 == ".opd")) {
90 desc = symbol " " version " " weak " ? " type " " $4 " " $5;
93 desc = symbol " " version " " weak " ? " type " " $4 " " $5;
96 # Disabled -- weakness should not matter to shared library ABIs any more.
97 #if (weak == "w") type = tolower(type);
99 desc = " " symbol " " type size;
102 version = soname " " version (combine_fullname ? " " sofullname : "");
104 if (version in versions) {
105 versions[version] = versions[version] "\n" desc;
108 versions[version] = desc;
114 NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
117 print "Don't grok this line:", $0
121 if (!end && (combine || ! parse_names || soname == ""))
123 tofile = parse_names && !combine;
126 for (version in versions) {
127 if (nverslist == 0) {
132 split(verslist, s, "\n");
133 if (version < s[1]) {
135 for (i = 1; i <= nverslist; ++i) {
136 verslist = verslist "\n" s[i];
141 for (i = 2; i <= nverslist; ++i) {
142 if (version < s[i]) break;
143 verslist = verslist "\n" s[i];
145 verslist = verslist "\n" version;
146 for (; i <= nverslist; ++i) {
147 verslist = verslist "\n" s[i];
154 out = prefix soname ".symlist";
155 if (soname in outfiles)
156 out = out "." ++outfiles[soname];
158 outfiles[soname] = 1;
162 split(verslist, order, "\n");
163 for (i = 1; i <= nverslist; ++i) {
167 print version >> out;
169 outpipe = "sort >> " out;
174 print prefix version;
177 print versions[version] | outpipe;
180 delete versions[version];
182 for (version in versions)
183 delete versions[version];
186 print "wrote", out, "for", sofullname;