boilerplate code to research string removal

research/strings_empty/.gitignore

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+out/*

research/strings_empty/build.sh

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+set -e
+clear
+VERSION=${1:-14}
+OUT=./out
+LOGIC=1
+make -C ../../macho-go
+mkdir -p $OUT
+
+echo "using mach-o version $VERSION"
+if [[ $VERSION -ge 14 ]]
+then
+  echo "Resulting binary uses MODERN symbol resolver"
+else
+  echo "Resulting binary uses LEGACY symbol resolver"
+fi
+
+cat <<'fly'
+            ______
+            _\ _~-\___
+    =  = ==(____AA____D
+                \_____\___________________,-~~~~~~~`-.._
+                /     o O o o o o O O o o o o o o O o  |\_
+                `~-.__        ___..----..                  )
+                      `---~~\___________/------------`````
+                      =  ===(_________D
+fly
+
+# this is a joke for those who knows
+# https://www.blackhat.com/presentations/bh-dc-09/Iozzo/BlackHat-DC-09-Iozzo-let-your-mach0-fly-whitepaper.pdf
+echo "make your Mach-O fly"
+
+if [[ $LOGIC -eq 0 ]]
+then
+
+clang-format -i -style=llvm *.cc
+
+elif [[ $LOGIC -eq 1 ]]
+then
+
+# build test binaries
+clang -mmacosx-version-min=$VERSION -o $OUT/c_code tests/c_code.c
+clang -fobjc-arc -ObjC -mmacosx-version-min=$VERSION -o $OUT/objc_code tests/objc_code.m
+swiftc -o $OUT/swift_code tests/swift_code.swift
+
+# c program
+../../macho-go/bin/ios-wrapper pepe -o $OUT/c_code_fixed -b $OUT/c_code.bcell  -l $OUT/librestore_c.dylib --remove-strings $OUT/c_code
+../../macho-go/bin/ios-wrapper bcell2header -b $OUT/c_code.bcell -o $OUT/restore.h
+clang++ -mmacosx-version-min=$VERSION -o $OUT/librestore_c.dylib -shared -Wl,-reexport_library restore.cc
+
+# objc program
+# ../../macho-go/bin/ios-wrapper pepe -o $OUT/objc_code_fixed -b $OUT/objc_code.bcell  -l $OUT/librestore_objc.dylib --remove-strings $OUT/objc_code
+# ../../macho-go/bin/ios-wrapper bcell2header -b $OUT/c_code.bcell -o $OUT/restore.h
+# clang++ -mmacosx-version-min=$VERSION -o $OUT/librestore_objc.dylib -shared -Wl,-reexport_library restore.cc
+
+# swift program
+# ../../macho-go/bin/ios-wrapper pepe -o $OUT/swift_code_fixed -b $OUT/swift_code.bcell  -l $OUT/librestore_swift.dylib --remove-strings $OUT/swift_code
+# ../../macho-go/bin/ios-wrapper bcell2header -b $OUT/c_code.bcell -o $OUT/restore.h
+# clang++ -mmacosx-version-min=$VERSION -o $OUT/librestore_swift.dylib -shared -Wl,-reexport_library restore.cc
+
+# executable
+chmod +x $OUT/c_code_fixed
+# chmod +x $OUT/objc_code_fixed
+# chmod +x $OUT/swift_code_fixed
+
+# resign
+codesign --force --deep -s - $OUT/c_code_fixed
+# codesign --force --deep -s - $OUT/objc_code_fixed
+# codesign --force --deep -s - $OUT/swift_code_fixed
+
+# run
+$OUT/c_code_fixed
+# $OUT/objc_code_fixed
+# $OUT/swift_code_fixed
+
+fi

research/strings_empty/tests/c_code.c

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+#include <stdio.h>
+
+int main() {
+  printf("Hello, World!\n");
+  return 0;
+}

research/strings_empty/tests/objc_code.m

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+#import <Foundation/Foundation.h>
+
+int main() {
+  @autoreleasepool {
+    NSLog(@"Hello, World!");
+  }
+  return 0;
+}

research/strings_empty/tests/swift_code.swift

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+print("Hello, World!")