Complete delink workflow; separate from decomp

We can now create a fresh Ghidra project, import the JSRF executable
into it, import symbols into it, delink object files from it, and then
decompile with objdiff.  Just needs some documentation.

delink/delink.sh

@@ -0,0 +1,69 @@
+#!/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 ===\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
+}
+
+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
+# $5: Output path (inside /target)
+	# Call the right script depending on whether we're on Windows
+	# (this seems like the most reliable method I can find for POSIX sh)
+	if [ -n "$WINDIR" ]; then suffix=.bat
+	else                      suffix=
+	fi
+
+	"$1/support/analyzeHeadless$suffix" "$2" "$3"\
+		-process default.xbe\
+		-noanalysis\
+		-postScript DelinkProgram.java\
+			/exporter 'COFF relocatable object'\
+			$(printf "/include-range %s " $4)\
+			/export "../decompile/target/$5"
+}
+
+
+main "$@"

delink/make_symboltable.sh

@@ -0,0 +1,42 @@
+#!/bin/sh -eu
+# Script to convert Ghidra symbol table CSV export data to the format used by
+# the Ghidra script ImportSymbolsScript.py
+
+main() {
+	if [ $# -ne 1 ]; then usage; fi
+
+	printf 'Writing symbol table to symboltable.tsv...'
+
+	>symboltable.tsv # Create/truncate output file
+
+	while IFS=, read -r name location type; do # Iterate over rows
+		# Determine symbol type (skip if unrecognized, e.g. header row)
+		  if [ "$type" == '"Function"'   ]; then type_out=f
+		elif [ "$type" == '"Data Label"' ]; then type_out=l
+		else                                     continue
+		fi
+
+		# Strip quotes from other columns
+		name_out=${name#'"'}        ; name_out=${name_out%'"'}
+		location_out=${location#'"'}; location_out=${location_out%'"'}
+
+		# Output row
+		printf '%s\t%s\t%s\n' "$name_out" "$location_out" "$type_out"\
+			>> symboltable.tsv
+	done < $1
+
+	printf ' done.\n'
+}
+
+usage() {
+	printf '%s\n'\
+		'Usage: make_symboltable.sh CSVFILE'\
+		'    CSVFILE is the path of a symbol table CSV from Ghidra'\
+		''\
+		'The CSV file should have columns Name, Location, and Type.  The output file'\
+		'will be named "symboltable.tsv".' >&2
+	exit 2
+}
+
+
+main "$@"

delink/objects.csv

@@ -0,0 +1,14 @@
+Object,Delink?,.text,.text$x,D3D,DSOUND,MMATRIX,XGRPH,XPP,.rdata,.rdata$x,.data,DOLBY
+Core.obj,false,0x00011000-0x00013FF0,0x00186BA0-0x00186C1F,,,,,,0x001C4390-0x001C44FF,0x001E4D20-0x001E4DAB,0x00251D40-0x00251DAB,
+Jet2.obj,true,0x0006F9E0-0x0006FA6F,0x00187710-0x00187724,,,,,,,0x001E620C-0x001E622F,0x0022FCE0-0x0022FCE7,
+ADX (need to decompose),false,0x0013A570-0x0014555F,?,,,,,,?,?,?,
+XDK Core (need to decompose),false,0x00145560-0x0014B79F,?,,,,,,?,?,?,
+Smilebit libs (need to decompose),false,0x0014B7A0-0x0017BF3F,?,,,,,,?,?,?-0x0022ED2B,
+C runtime,false,0x0017BF40-0x00182B80,?,,,,,,?,?,0x0022ED2C-?,
+Unknown MS math lib,false,0x00182B81-0x0018694F,?,,,,,,?,?,?,
+Another (tiny) Smilebit math lib,false,0x00186950-0x00186B7F,?,,,,,,?,?,?,
+Direct3D8 (need to decompose),false,,,0x0018CB40-0x0019E334,,,,,?,?,?,
+DirectSound8 (need to decompose),false,,,,0x0019E340-0x001BA89B,,,,?,?,?,0x0027E080-0x00284E17
+MMatrix.obj,false,,,,,0x001BA8A0-0x001BBAAF,,,,,0x00264BD8-0x00264C13,
+Xgraphics (need to decompose),false,,,,,,0x001BBAC0-0x001BC7BB,,,,,
+XDK Peripherals,false,,,,,,,0x001BC7C0-0x001C3F57,,,,