glibc/scripts/check-localplt.awk

54 lines
1.1 KiB
Awk

# This is an awk script to process the output of elf/check-localplt.
# The first file argument is the file of expected results.
# Each line is either a comment starting with # or it looks like:
# libfoo.so: function
# or
# libfoo.so: function ?
# The latter means that a PLT entry for function is optional in libfoo.so.
# The former means one is required.
# The second file argument is - and this (stdin) receives the output
# of the check-localplt program.
BEGIN { result = 0 }
FILENAME != "-" && /^#/ { next }
FILENAME != "-" {
if (NF != 2 && !(NF == 3 && $3 == "?")) {
printf "%s:%d: bad data line: %s\n", FILENAME, FNR, $0 > "/dev/stderr";
result = 2;
} else {
accept[$1 " " $2] = NF == 2;
}
next;
}
NF != 2 {
print "Unexpected output from check-localplt:", $0 > "/dev/stderr";
result = 2;
next
}
{
key = $1 " " $2
if (key in accept) {
delete accept[key]
} else {
print "Extra PLT reference:", $0;
if (result == 0)
result = 1;
}
}
END {
for (key in accept) {
if (accept[key]) {
# It's mandatory.
print "Missing required PLT reference:", key;
result = 1;
}
}
exit(result);
}