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Support metadata writing

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This commit is contained in:
bjorn3 2018-07-23 11:17:39 +02:00
parent e40d025843
commit eb077f67ac
6 changed files with 472 additions and 80 deletions
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2
.gitmodules vendored
View File

@ -1,3 +1,3 @@
[submodule "cranelift"]
path = cranelift
url = https://github.com/CraneStation/cranelift.git
url = https://github.com/bjorn3/cretonne.git

451
Cargo.lock generated
View File

@ -1,3 +1,29 @@
[[package]]
name = "aho-corasick"
version = "0.6.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "ansi_term"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "atty"
version = "0.2.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
"termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "backtrace"
version = "0.3.9"
@ -6,7 +32,7 @@ dependencies = [
"backtrace-sys 0.1.23 (registry+https://github.com/rust-lang/crates.io-index)",
"cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-demangle 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -15,7 +41,7 @@ name = "backtrace-sys"
version = "0.1.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cc 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
"cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -31,7 +57,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cc"
version = "1.0.17"
version = "1.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
@ -40,59 +66,90 @@ version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cranelift"
version = "0.14.0"
name = "clap"
version = "2.32.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"cranelift-frontend 0.14.0",
"ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
"atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
"bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
"unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "cranelift"
version = "0.16.1"
dependencies = [
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]
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name = "cranelift-codegen"
version = "0.14.0"
version = "0.16.1"
dependencies = [
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[[package]]
name = "cranelift-codegen-meta"
version = "0.15.0"
[[package]]
name = "cranelift-entity"
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version = "0.16.1"
[[package]]
name = "cranelift-faerie"
version = "0.16.1"
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]
[[package]]
name = "cranelift-frontend"
version = "0.14.0"
version = "0.16.1"
dependencies = [
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"cranelift-codegen 0.16.1",
]
[[package]]
name = "cranelift-module"
version = "0.14.0"
version = "0.16.1"
dependencies = [
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"cranelift-entity 0.16.1",
"failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "cranelift-native"
version = "0.14.0"
version = "0.16.1"
dependencies = [
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"cranelift-codegen 0.16.1",
"raw-cpuid 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"target-lexicon 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "cranelift-simplejit"
version = "0.14.0"
version = "0.16.1"
dependencies = [
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"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
"region 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -102,9 +159,21 @@ dependencies = [
[[package]]
name = "dtoa"
version = "0.4.2"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "env_logger"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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]
[[package]]
name = "errno"
version = "0.2.4"
@ -124,6 +193,23 @@ dependencies = [
"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "faerie"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
name = "failure"
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@ -148,9 +234,37 @@ name = "gcc"
version = "0.3.54"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "goblin"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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]
[[package]]
name = "indexmap"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "itoa"
version = "0.4.1"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lazy_static"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
@ -158,6 +272,14 @@ name = "libc"
version = "0.2.42"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "log"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "mach"
version = "0.1.2"
@ -166,18 +288,85 @@ dependencies = [
"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "memchr"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "plain"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "proc-macro2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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]
[[package]]
name = "quick-error"
version = "1.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "quote"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "raw-cpuid"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "regex"
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[[package]]
@ -195,31 +384,83 @@ dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -232,6 +473,16 @@ dependencies = [
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@ -256,14 +507,87 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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3
Cargo.toml
View File

@ -15,4 +15,5 @@ crate-type = ["dylib"]
cranelift = { path = "./cranelift/lib/umbrella" }
cranelift-module = { path = "./cranelift/lib/module" }
cranelift-simplejit = { path = "./cranelift/lib/simplejit" }
#cranelift-faerie = { path = "./cranelift/lib/faerie" }
cranelift-faerie = { path = "./cranelift/lib/faerie" }
target-lexicon = "0.0.3"

2
cranelift

@ -1 +1 @@
Subproject commit 1c3601789df0ad52880feebc2e641848838b7c14
Subproject commit 4d50ef87a2f8faa4e590423f712d99bef5cb9148

2
src/base.rs
View File

@ -318,7 +318,7 @@ fn trans_stmt<'a, 'tcx: 'a>(fx: &mut FunctionCx<'a, 'tcx>, cur_ebb: Ebb, stmt: &
let res = ::common::cton_intcast(fx, from, from_ty, to_ty, true);
lval.write_cvalue(fx, CValue::ByVal(res, dest_layout));
}
_ => unimplemented!("rval misc {:?} {:?}", operand, to_ty),
_ => return Err(format!("rval misc {:?} {:?}", operand, to_ty)),
}
},
Rvalue::Cast(CastKind::ClosureFnPointer, operand, ty) => unimplemented!("rval closure_fn_ptr {:?} {:?}", operand, ty),

92
src/lib.rs
View File

@ -10,10 +10,17 @@ extern crate rustc_target;
extern crate rustc_incremental;
extern crate rustc_data_structures;
extern crate target_lexicon;
extern crate cranelift;
extern crate cranelift_module;
extern crate cranelift_simplejit;
//extern crate cranelift_faerie;
extern crate cranelift_faerie;
use std::any::Any;
use std::sync::{mpsc, Arc};
use std::path::Path;
use std::fs::File;
use std::io::Write;
use syntax::symbol::Symbol;
use rustc::session::{
@ -23,16 +30,15 @@ use rustc::session::{
OutputFilenames,
},
};
use rustc::middle::cstore::{MetadataLoader, EncodedMetadata};
use rustc::middle::cstore::MetadataLoader;
use rustc::dep_graph::DepGraph;
use rustc::ty::query::Providers;
use rustc_codegen_utils::codegen_backend::{CodegenBackend, NoLlvmMetadataLoader};
use rustc_codegen_utils::codegen_backend::CodegenBackend;
use rustc_codegen_utils::link::{out_filename, build_link_meta};
use rustc_data_structures::owning_ref;
use std::any::Any;
use std::sync::{mpsc, Arc};
use std::fs::File;
use std::io::Write;
use cranelift::codegen::settings;
use cranelift_faerie::*;
mod abi;
mod base;
@ -63,7 +69,7 @@ mod prelude {
};
pub use cranelift::codegen::Context;
pub use cranelift::prelude::*;
pub use cranelift_module::{Module, Backend, FuncId, DataId, Linkage};
pub use cranelift_module::{Module, Backend, DataContext, FuncId, DataId, Linkage, Writability};
pub use cranelift_simplejit::{SimpleJITBuilder, SimpleJITBackend};
pub use abi::*;
@ -82,18 +88,23 @@ pub struct CodegenCx<'a, 'tcx: 'a, B: Backend + 'a> {
pub constants: HashMap<AllocId, DataId>,
}
struct CraneliftCodegenBackend(());
struct CraneliftMetadataLoader;
struct OngoingCodegen {
metadata: EncodedMetadata,
//translated_module: Module<cranelift_faerie::FaerieBackend>,
crate_name: Symbol,
impl MetadataLoader for CraneliftMetadataLoader {
fn get_rlib_metadata(&self, target: &rustc_target::spec::Target, path: &Path) -> Result<owning_ref::ErasedBoxRef<[u8]>, String> {
self.get_dylib_metadata(target, path)
}
fn get_dylib_metadata(&self, _target: &rustc_target::spec::Target, _path: &Path) -> Result<owning_ref::ErasedBoxRef<[u8]>, String> {
Err("metadata loading is not yet supported".to_string())
}
}
impl CraneliftCodegenBackend {
fn new() -> Box<CodegenBackend> {
Box::new(CraneliftCodegenBackend(()))
}
struct CraneliftCodegenBackend;
struct OngoingCodegen {
translated_module: Module<cranelift_faerie::FaerieBackend>,
crate_name: Symbol,
}
impl CodegenBackend for CraneliftCodegenBackend {
@ -112,16 +123,13 @@ impl CodegenBackend for CraneliftCodegenBackend {
}
fn metadata_loader(&self) -> Box<MetadataLoader + Sync> {
Box::new(NoLlvmMetadataLoader)
Box::new(CraneliftMetadataLoader)
}
fn provide(&self, providers: &mut Providers) {
rustc_codegen_utils::symbol_names::provide(providers);
providers.target_features_whitelist = |_tcx, _cnum| {
/*Lrc::new(rustc_codegen_utils::llvm_target_features::all_known_features()
.map(|(a, b)| (a.to_string(), b.map(|s| s.to_string())))
.collect())*/
Lrc::new(Default::default())
};
providers.is_reachable_non_generic = |_tcx, _defid| true;
@ -172,6 +180,10 @@ impl CodegenBackend for CraneliftCodegenBackend {
let link_meta = ::build_link_meta(tcx.crate_hash(LOCAL_CRATE));
let metadata = tcx.encode_metadata(&link_meta);
let mut flags_builder = settings::builder();
flags_builder.enable("is_pic").unwrap();
let flags = settings::Flags::new(flags_builder);
let isa = cranelift::codegen::isa::lookup(target_lexicon::Triple::host()).unwrap().finish(flags);
let mut module: Module<SimpleJITBackend> = Module::new(SimpleJITBuilder::new());
let mut context = Context::new();
let mut def_id_fn_id_map = HashMap::new();
@ -219,11 +231,23 @@ impl CodegenBackend for CraneliftCodegenBackend {
module.finish();
}
tcx.sess.fatal("unimplemented");
let mut translated_module = Module::new(
FaerieBuilder::new(
isa,
"some_file.o".to_string(),
FaerieTrapCollection::Disabled,
FaerieBuilder::default_libcall_names()
)
.unwrap()
);
let metadata_id = translated_module.declare_data(".rustc.metadata", Linkage::Export, false).unwrap();
let mut data_ctx = DataContext::new();
data_ctx.define(metadata.raw_data.clone().into_boxed_slice(), Writability::Readonly);
translated_module.define_data(metadata_id, &data_ctx).unwrap();
Box::new(::OngoingCodegen {
metadata: metadata,
//translated_module: Module::new(::cranelift_faerie::FaerieBuilder::new(,
translated_module,
crate_name: tcx.crate_name(LOCAL_CRATE),
})
}
@ -235,21 +259,17 @@ impl CodegenBackend for CraneliftCodegenBackend {
_dep_graph: &DepGraph,
outputs: &OutputFilenames,
) -> Result<(), CompileIncomplete> {
if true {
unimplemented!();
}
let ongoing_codegen = ongoing_codegen.downcast::<OngoingCodegen>()
.expect("Expected MetadataOnlyCodegenBackend's OngoingCodegen, found Box<Any>");
let ongoing_codegen = *ongoing_codegen.downcast::<OngoingCodegen>()
.expect("Expected CraneliftCodegenBackend's OngoingCodegen, found Box<Any>");
let artifact = ongoing_codegen.translated_module.finish().artifact;
for &crate_type in sess.opts.crate_types.iter() {
if crate_type != CrateType::CrateTypeRlib && crate_type != CrateType::CrateTypeDylib {
continue;
if crate_type != CrateType::CrateTypeRlib /*&& crate_type != CrateType::CrateTypeDylib*/ {
sess.fatal(&format!("Unsupported crate type: {:?}", crate_type));
}
let output_name =
out_filename(sess, crate_type, &outputs, &ongoing_codegen.crate_name.as_str());
let metadata = &ongoing_codegen.metadata.raw_data;
let mut file = File::create(&output_name).unwrap();
file.write_all(metadata).unwrap();
let file = File::create(&output_name).unwrap();
artifact.write(file).unwrap();
}
sess.abort_if_errors();
@ -265,5 +285,5 @@ impl CodegenBackend for CraneliftCodegenBackend {
/// This is the entrypoint for a hot plugged rustc_codegen_cranelift
#[no_mangle]
pub fn __rustc_codegen_backend() -> Box<CodegenBackend> {
CraneliftCodegenBackend::new()
Box::new(CraneliftCodegenBackend)
}