JSRF-Decompilation/delink/delink.sh
KeybadeBlox 91537e765a Fix unwanted delinking path expansion on Windows
In short, we ran afoul of this issue because the Ghidra delinking
headless script begins its arguments with slashes, making them look like
absolute paths:

    https://stackoverflow.com/questions/7250130/how-to-stop-mingw-and-msys-from-mangling-path-names-given-at-the-command-line
2026-02-01 17:02:13 -05:00

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#!/bin/sh -eu
# Script to produce delinked object files in decompile/target/ directory from
# objects.csv and a Ghidra project via boricj's delinker extension
main() {
if [ $# -ne 3 ]; then usage; fi
ghidra_path=$1
project_path=$2
project_name=$3
printf '=== Delinking object files into ../decompile/target/ ===\n'
while IFS= read -r line; do # Read objects.csv line by line
# Split columns (col 1 in $1, col 2 in $2, etc.)
set -f; IFS_PREV=$IFS; IFS=,
set -- $line
set +f; IFS=$IFS_PREV
if [ "$2" = true ]; then # If object is marked for extraction
object_name=$1
printf '\n--- %s ---\n' "$object_name"
# Delete object name and delink toggle positional
# arguments, leaving only address ranges
shift 2
# Call Ghidra delinker script
delink "$ghidra_path" "$project_path" "$project_name" "$*" "$object_name"
fi
done < objects.csv
printf '\nDelinking complete!\n'
}
usage() {
printf '%s\n'\
'Usage: delink.sh GHIDRA_PATH PROJECT_PATH PROJECT_NAME'\
' GHIDRA_PATH is the path to your Ghidra installation'\
' PROJECT_PATH is the path to your JSRF Ghidra project'\
' PROJECT_NAME is the name of your JSRF Ghidra project'\
''\
'Populates the target/ directory with delinked object files using the address'\
'ranges given in objects.csv.' >& 2
exit 2
}
delink() {
# Invoke headless Ghidra with the delinker script to produce an object file
# $1: Ghidra installation path
# $2: Ghidra project path
# $3: Ghidra project name
# $4: Whitespace-separated address ranges to include in object
# $5: Output path (inside decompile/target/)
# Call the right script depending on whether we're on Windows
# (this seems like the most reliable method I can find for POSIX sh)
if [ -n "$WINDIR" ]; then suffix=.bat
else suffix=
fi
# POSIX compatibility layers for Windows (like in git bash) will
# interpret arguments like /exporter as filepaths and attempt to
# convert them to Windows paths, breaking them; this variable disables
# that
export MSYS_NO_PATHCONV=1
"$1/support/analyzeHeadless$suffix" "$2" "$3"\
-process default.xbe\
-noanalysis\
-postScript DelinkProgram.java\
/exporter 'COFF relocatable object'\
$(printf "/include-range %s " $4)\
/export "../decompile/target/$5"
}
main "$@"