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#! /usr/bin/awk -f
# Run this filter on the output of
#
# objdump -h libnettle.a
function hex2int (hex) {
n = 0;
hex = tolower(hex);
for (i = 1; i<=length(hex); i++)
{
n = n * 16 + index("0123456789abcdef", substr(hex,i,1)) - 1;
}
return n;
}
function output () {
if (name)
{
printf "%25s %6x %6x %6x\n", name, text_size, data_size, rodata_size;
text_total += text_size;
data_total += data_size;
rodata_total += rodata_size;
}
text_size = 0;
data_size = 0;
rodata_size = 0;
}
BEGIN {
print "file text-size data-size rodata-size";
text_total = 0;
data_total = 0;
rodata_total = 0;
text_size = 0;
data_size = 0;
rodata_size = 0;
name = "";
filter = ENVIRON["FILTER"];
if (!filter)
filter = ".*";
else
printf "Filter: %s\n", filter;
}
/elf32/ {
output();
if ($1 ~ filter)
{
name = $1; text_size = data_size = rodata_size = 0;
sub(/^[^-]*_a-/, "", name);
}
else
name = "";
}
/\.text/ { text_size += hex2int($3); }
/\.data/ { data_size += hex2int($3); }
/\.rodata/ { rodata_size += hex2int($3);}
END {
output();
printf "%25s %6x %6x %6x\n", "TOTAL", text_total, data_total, rodata_total;
}
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