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* scripts/abilist.awk: Produce a more compact format, divided into

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stanzas for each version set, the set name listed only once.
	* scripts/extract-abilist.awk: New file.
	* scripts/merge-abilist.awk: New file.
	* Makerules (check-abi-%, update-abi-%): New pattern rules.
	(update-abi, check-abi): New targets.
	* Makefile (+subdir_targets): Add subdir_{check,update}-abi.

	* Makerules (%.symlist): Use LC_ALL=C when running awk script.
This commit is contained in:
Roland McGrath
2002-12-23 11:17:18 +00:00
parent b27b002d5b
commit c823a4d21b
6 changed files with 1556 additions and 1289 deletions
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70
scripts/abilist.awk
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@@ -1,8 +1,6 @@
# This awk script processes the output of objdump --dynamic-syms
# into a simple format that should not change when the ABI is not changing.
BEGIN { outpipe = "sort" }
# Normalize columns.
/^[0-9a-fA-F]+ / { sub(/ /, " - ") }
@@ -13,11 +11,11 @@ $4 == "*UND*" { next }
$2 == "l" { next }
$2 == "g" || $2 == "w" && NF == 7 {
weak = ($2 == "w") ? "weak" : "strong";
weak = $2;
type = $3;
size = $5;
sub(/^0*/, "", size);
size = "0x" size;
size = " 0x" size;
version = $6;
symbol = $7;
gsub(/[()]/, "", version);
@@ -25,24 +23,36 @@ $2 == "g" || $2 == "w" && NF == 7 {
if (version == "GLIBC_PRIVATE") next;
if (type == "D" && $4 == ".tbss") {
print symbol, version, weak, "TLS", size | outpipe;
type = "T";
}
else if (type == "D" && $4 == ".opd") {
print symbol, version, weak, "FDESC" | outpipe;
type = "O";
size = "";
}
else if (type == "DO" && $4 == "*ABS*") {
print symbol, version, weak, "ABS" | outpipe;
type = "A";
size = "";
}
else if (type == "DO") {
print symbol, version, weak, "DATA", size | outpipe;
type = "D";
}
else if (type == "DF") {
print symbol, version, weak, "FUNC" | outpipe;
type = "F";
size = "";
}
else {
print symbol, version, weak, "UNEXPECTED", type, $4, $5;
print symbol, version, weak, "?", type, $4, $5;
next;
}
desc = " " symbol " " (weak == "w" ? tolower(type) : type) size;
if (version in versions) {
versions[version] = versions[version] "\n" desc;
}
else {
versions[version] = desc;
}
next;
}
@@ -52,3 +62,43 @@ NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
{
print "Don't grok this line:", $0
}
END {
nverlist = 0;
for (version in versions) {
if (nverslist == 0) {
verslist = version;
nverslist = 1;
continue;
}
split(verslist, s, "\n");
if (version < s[1]) {
verslist = version;
for (i = 1; i <= nverslist; ++i) {
verslist = verslist "\n" s[i];
}
}
else {
verslist = s[1];
for (i = 2; i <= nverslist; ++i) {
if (version < s[i]) break;
verslist = verslist "\n" s[i];
}
verslist = verslist "\n" version;
for (; i <= nverslist; ++i) {
verslist = verslist "\n" s[i];
}
}
++nverslist;
}
split(verslist, order, "\n");
for (i = 1; i <= nverslist; ++i) {
version = order[i];
print version;
outpipe = "sort";
print versions[version] | outpipe;
close(outpipe);
}
}