# Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len
# Distills the disassembly as follows:
# - Removes all lines except the disassembled instructions.
# - For instructions that exceed 1 line (7 bytes), crams all the hex bytes
# into a single line.

BEGIN {
	prev_addr = ""
	prev_hex = ""
	prev_mnemonic = ""
}

/^ *[0-9a-f]+:/ {
	if (split($0, field, "\t") < 3) {
		# This is a continuation of the same insn.
		prev_hex = prev_hex field[2]
	} else {
		if (prev_addr != "")
			printf "%s\t%s\t%s\n", prev_addr, prev_hex, prev_mnemonic
		prev_addr = field[1]
		prev_hex = field[2]
		prev_mnemonic = field[3]
	}
}

END {
	if (prev_addr != "")
		printf "%s\t%s\t%s\n", prev_addr, prev_hex, prev_mnemonic
}