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| author | Manuel Drehwald <git@manuel.drehwald.info> | 2021-06-13 18:23:01 +0200 |
|---|---|---|
| committer | Manuel Drehwald <git@manuel.drehwald.info> | 2021-06-13 18:23:01 +0200 |
| commit | 4dbdcd1c5cc5f2e61495af95d81b1fc588506aa4 (patch) | |
| tree | 858b1736a86d1c1ba817d982b2edf133749e07e3 | |
| parent | fb3ea63d9b4c3e9bb90d4250b870faaffb9c8fd2 (diff) | |
| download | rust-4dbdcd1c5cc5f2e61495af95d81b1fc588506aa4.tar.gz rust-4dbdcd1c5cc5f2e61495af95d81b1fc588506aa4.zip | |
allow loading of llvm plugins on nightly
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 10 | ||||
| -rw-r--r-- | compiler/rustc_interface/src/tests.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_session/src/options.rs | 2 |
3 files changed, 13 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 0dd3d2ae15b..a15edaf5138 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -129,6 +129,16 @@ unsafe fn configure_llvm(sess: &Session) { llvm::LLVMInitializePasses(); + for plugin in &sess.opts.debugging_opts.llvm_plugins { + let path = CString::new(plugin.as_bytes()).unwrap(); + let res = libc::dlopen(path.as_ptr(), libc::RTLD_LAZY | libc::RTLD_GLOBAL); + if res.is_null() { + println!("{}", CStr::from_ptr(libc::dlerror()).to_string_lossy().into_owned()); + } + println!("{:p}", res); + println!("{}", plugin); + } + rustc_llvm::initialize_available_targets(); llvm::LLVMRustSetLLVMOptions(llvm_args.len() as c_int, llvm_args.as_ptr()); diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 5d8a6084f2e..89adb349190 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -707,6 +707,7 @@ fn test_debugging_options_tracking_hash() { tracked!(instrument_coverage, Some(InstrumentCoverage::All)); tracked!(instrument_mcount, true); tracked!(link_only, true); + tracked!(llvm_plugins, vec![String::from("plugin_name")]); tracked!(merge_functions, Some(MergeFunctions::Disabled)); tracked!(mir_emit_retag, true); tracked!(mir_opt_level, Some(4)); diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 1946bfd78cc..ca0a4ecd81c 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -1122,6 +1122,8 @@ options! { "link native libraries in the linker invocation (default: yes)"), link_only: bool = (false, parse_bool, [TRACKED], "link the `.rlink` file generated by `-Z no-link` (default: no)"), + llvm_plugins: Vec<String> = (Vec::new(), parse_list, [TRACKED], + "a list LLVM plugins to enable (space separated)"), llvm_time_trace: bool = (false, parse_bool, [UNTRACKED], "generate JSON tracing data file from LLVM data (default: no)"), ls: bool = (false, parse_bool, [UNTRACKED], |