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