| #!/bin/sh |
| # |
| # Generate private_symbols[_jet].awk. |
| # |
| # Usage: private_symbols.sh <sym_prefix> <sym>* |
| # |
| # <sym_prefix> is typically "" or "_". |
| |
| sym_prefix=$1 |
| shift |
| |
| cat <<EOF |
| #!/usr/bin/env awk -f |
| |
| BEGIN { |
| sym_prefix = "${sym_prefix}" |
| split("\\ |
| EOF |
| |
| for public_sym in "$@" ; do |
| cat <<EOF |
| ${sym_prefix}${public_sym} \\ |
| EOF |
| done |
| |
| cat <<"EOF" |
| ", exported_symbol_names) |
| # Store exported symbol names as keys in exported_symbols. |
| for (i in exported_symbol_names) { |
| exported_symbols[exported_symbol_names[i]] = 1 |
| } |
| } |
| |
| # Process 'nm -a <c_source.o>' output. |
| # |
| # Handle lines like: |
| # 0000000000000008 D opt_junk |
| # 0000000000007574 T malloc_initialized |
| (NF == 3 && $2 ~ /^[ABCDGRSTVW]$/ && !($3 in exported_symbols) && $3 ~ /^[A-Za-z0-9_]+$/) { |
| print substr($3, 1+length(sym_prefix), length($3)-length(sym_prefix)) |
| } |
| |
| # Process 'dumpbin /SYMBOLS <c_source.obj>' output. |
| # |
| # Handle lines like: |
| # 353 00008098 SECT4 notype External | opt_junk |
| # 3F1 00000000 SECT7 notype () External | malloc_initialized |
| ($3 ~ /^SECT[0-9]+/ && $(NF-2) == "External" && !($NF in exported_symbols)) { |
| print $NF |
| } |
| EOF |
