Port to llvm9?

[JunfengJia]

No description provided.

[amimo]

@JunfengJia try the llvm-9.0.0 branch.

[JunfengJia]

looks good.

[JunfengJia]

Crashed with simple hello world:

/home/jack/src/packer/goron/build/bin/clang main.c -mllvm -irobf-cff

clang-9: /home/jack/src/packer/goron/llvm/include/llvm/PassAnalysisSupport.h:221: AnalysisType& llvm::Pass::getAnalysis() const [with AnalysisType = llvm::LazyValueInfoWrapperPass]: Assertion `Resolver && "Pass has not been inserted into a PassManager object!"' failed.
Stack dump:
0. Program arguments: /home/jack/src/packer/goron/build/bin/clang-9 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free -main-file-name main.c -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -resource-dir /home/jack/src/packer/goron/build/lib/clang/9.0.0 -internal-isystem /usr/local/include -internal-isystem /home/jack/src/packer/goron/build/lib/clang/9.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir /home/jack/test/obf -ferror-limit 19 -fmessage-length 0 -fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -mllvm -irobf-cff -faddrsig -o /tmp/main-e41ac0.o -x c main.c

1. parser at end of file
2. Per-module optimization passes
3. Running pass 'Obfuscation Pass Manager' on module 'main.c'.
   #0 0x000055b53fb67a5a llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/home/jack/src/packer/goron/build/bin/clang-9+0x2ca1a5a)
   GTSDK 包含个推sdk编译时报错 #1 0x000055b53fb65704 llvm::sys::RunSignalHandlers() (/home/jack/src/packer/goron/build/bin/clang-9+0x2c9f704)
   能否考虑加上一些随机的因素，每次生成的跳转都不一样 #2 0x000055b53fb65842 SignalHandler(int) (/home/jack/src/packer/goron/build/bin/clang-9+0x2c9f842)
   string encrypt pass是否有计划 #3 0x00007f26545a2890 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
   add simple c string encryption pass #4 0x00007f2653253e97 raise /build/glibc-OTsEL5/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
   不能编译Bitcode的bc文件 #5 0x00007f2653255801 abort /build/glibc-OTsEL5/glibc-2.27/stdlib/abort.c:81:0
   update readme #6 0x00007f265324539a __assert_fail_base /build/glibc-OTsEL5/glibc-2.27/assert/assert.c:89:0
   ObjC字符串加密支持 #7 0x00007f2653245412 (/lib/x86_64-linux-gnu/libc.so.6+0x30412)
   Port to llvm9? #8 0x000055b53fc34dd4 (anonymous namespace)::LowerSwitch::runOnFunction(llvm::Function&) (/home/jack/src/packer/goron/build/bin/clang-9+0x2d6edd4)
   Function annotation not supported? #9 0x000055b540965930 (anonymous namespace)::Flattening::flatten(llvm::Function*) (.isra.83) (/home/jack/src/packer/goron/build/bin/clang-9+0x3a9f930)
   fix cff pass crash on llvm-9 #10 0x000055b540966e74 (anonymous namespace)::Flattening::runOnFunction(llvm::Function&) (/home/jack/src/packer/goron/build/bin/clang-9+0x3aa0e74)
   结构体或字符数组中的字符串访问是否可以统一 #11 0x000055b540956b4c llvm::ObfuscationPassManager::runOnModule(llvm::Module&) (/home/jack/src/packer/goron/build/bin/clang-9+0x3a90b4c)
   how to protect target running at aarch64(arm64)? #12 0x000055b53f57a631 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/jack/src/packer/goron/build/bin/clang-9+0x26b4631)
   arm64e #13 0x000055b53fd7f8af clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream >) (/home/jack/src/packer/goron/build/bin/clang-9+0x2eb98af)
   混淆是在ir做的,理论上所有后端都支持. #14 0x000055b5407e23fd clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/jack/src/packer/goron/build/bin/clang-9+0x391c3fd)
   如何编译windows能用的goron？ #15 0x000055b5410f85f9 clang::ParseAST(clang::Sema&, bool, bool) (/home/jack/src/packer/goron/build/bin/clang-9+0x42325f9)
   不兼容32位设备? #16 0x000055b5407dfa68 clang::CodeGenAction::ExecuteAction() (/home/jack/src/packer/goron/build/bin/clang-9+0x3919a68)
   Support for LLVM 10.0 #17 0x000055b54024a0c9 clang::FrontendAction::Execute() (/home/jack/src/packer/goron/build/bin/clang-9+0x33840c9)
   有没有支持xcode的工具链啊 #18 0x000055b54020e261 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/jack/src/packer/goron/build/bin/clang-9+0x3348261)
   一个函数属性问题 #19 0x000055b5402f517f clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/jack/src/packer/goron/build/bin/clang-9+0x342f17f)
   LLVM源 #20 0x000055b53de876ff cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/jack/src/packer/goron/build/bin/clang-9+0xfc16ff)
   CMake Error on macOS Catalina #21 0x000055b53ddfb979 main (/home/jack/src/packer/goron/build/bin/clang-9+0xf35979)
   混淆特性选项 #22 0x00007f2653236b97 __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
   如何控制while循环的层数 #23 0x000055b53de82cca _start (/home/jack/src/packer/goron/build/bin/clang-9+0xfbccca)
   clang-9: error: unable to execute command: Aborted (core dumped)
   clang-9: error: clang frontend command failed due to signal (use -v to see invocation)
   clang version 9.0.0 (https://github.com/amimo/goron.git 2391b63)
   Target: x86_64-unknown-linux-gnu
   Thread model: posix
   InstalledDir: /home/jack/src/packer/goron/build/bin
   clang-9: note: diagnostic msg: PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
   clang-9: note: diagnostic msg:

---

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-9: note: diagnostic msg: /tmp/main-e59e26.c
clang-9: note: diagnostic msg: /tmp/main-e59e26.sh
clang-9: note: diagnostic msg:

[amimo]

fix in llvm-9.0.0-fix-cff-crash

[JunfengJia]

It works now.