delete cranelift-faerie
see https://github.com/bytecodealliance/wasmtime/pull/1816 DEPRECATION NOTICE: the Cranelift developer team intends to stop maintaining the `cranelift-faerie` crate and remove it from the `wasmtime` git repository on or after August 3, 2020. We recommend users use its successor, the `cranelift-object` crate.
This commit is contained in:
Pat Hickey
54
Cargo.lock
generated
54
Cargo.lock
generated
@@ -414,18 +414,6 @@ dependencies = [
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"serde",
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"serde",
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]
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]
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[[package]]
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name = "cranelift-faerie"
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version = "0.66.0"
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dependencies = [
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"anyhow",
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"cranelift-codegen",
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"cranelift-module",
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"faerie",
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"goblin",
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"target-lexicon",
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]
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[[package]]
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[[package]]
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name = "cranelift-filetests"
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name = "cranelift-filetests"
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version = "0.66.0"
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version = "0.66.0"
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@@ -561,7 +549,6 @@ dependencies = [
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"cranelift",
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"cranelift",
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"cranelift-codegen",
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"cranelift-codegen",
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"cranelift-entity",
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"cranelift-entity",
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"cranelift-faerie",
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"cranelift-filetests",
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"cranelift-filetests",
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"cranelift-frontend",
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"cranelift-frontend",
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"cranelift-interpreter",
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"cranelift-interpreter",
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@@ -825,21 +812,6 @@ version = "0.0.0"
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name = "example-wasi-wasm"
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name = "example-wasi-wasm"
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version = "0.0.0"
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version = "0.0.0"
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[[package]]
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name = "faerie"
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version = "0.15.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dfef65b0e94693295c5d2fe2506f0ee6f43465342d4b5331659936aee8b16084"
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dependencies = [
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"goblin",
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"indexmap",
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"log",
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"scroll",
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"string-interner",
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"target-lexicon",
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"thiserror",
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]
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[[package]]
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[[package]]
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name = "fake-simd"
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name = "fake-simd"
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version = "0.1.2"
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version = "0.1.2"
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@@ -951,17 +923,6 @@ version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
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checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
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[[package]]
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name = "goblin"
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version = "0.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3081214398d39e4bd7f2c1975f0488ed04614ffdd976c6fc7a0708278552c0da"
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dependencies = [
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"log",
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"plain",
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"scroll",
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]
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[[package]]
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[[package]]
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name = "hashbrown"
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name = "hashbrown"
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version = "0.6.3"
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version = "0.6.3"
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@@ -1384,12 +1345,6 @@ dependencies = [
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name = "peepmatic-traits"
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name = "peepmatic-traits"
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version = "0.66.0"
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version = "0.66.0"
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[[package]]
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name = "plain"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
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[[package]]
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[[package]]
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name = "ppv-lite86"
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name = "ppv-lite86"
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version = "0.2.8"
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version = "0.2.8"
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@@ -1962,15 +1917,6 @@ version = "0.10.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4fbd8c65873d2e06991c33399d5e4bccba6ba04743fe99e9656afa0c64137d2c"
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checksum = "4fbd8c65873d2e06991c33399d5e4bccba6ba04743fe99e9656afa0c64137d2c"
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[[package]]
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name = "string-interner"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fd710eadff449a1531351b0e43eb81ea404336fa2f56c777427ab0e32a4cf183"
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dependencies = [
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"serde",
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]
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[[package]]
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[[package]]
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name = "strsim"
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name = "strsim"
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version = "0.8.0"
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version = "0.8.0"
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@@ -25,7 +25,6 @@ cranelift-wasm = { path = "wasm", version = "0.66.0", optional = true }
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cranelift-native = { path = "native", version = "0.66.0" }
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cranelift-native = { path = "native", version = "0.66.0" }
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cranelift-filetests = { path = "filetests", version = "0.66.0" }
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cranelift-filetests = { path = "filetests", version = "0.66.0" }
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cranelift-module = { path = "module", version = "0.66.0" }
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cranelift-module = { path = "module", version = "0.66.0" }
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cranelift-faerie = { path = "faerie", version = "0.66.0" }
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cranelift-object = { path = "object", version = "0.66.0" }
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cranelift-object = { path = "object", version = "0.66.0" }
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||||||
cranelift-simplejit = { path = "simplejit", version = "0.66.0" }
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cranelift-simplejit = { path = "simplejit", version = "0.66.0" }
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||||||
cranelift-preopt = { path = "preopt", version = "0.66.0" }
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cranelift-preopt = { path = "preopt", version = "0.66.0" }
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@@ -52,11 +52,6 @@
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emits native object files using the
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emits native object files using the
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||||||
`object <https://github.com/gimli-rs/object>`_ library.
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`object <https://github.com/gimli-rs/object>`_ library.
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||||||
- [cranelift-faerie](https://docs.rs/cranelift-faerie)
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||||||
This crate provides a faerie-based backend for `cranelift-module`, which
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||||||
emits native object files using the
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||||||
`faerie <https://github.com/m4b/faerie>`_ library.
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||||||
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||||||
- [cranelift-simplejit](https://docs.rs/cranelift-simplejit)
|
- [cranelift-simplejit](https://docs.rs/cranelift-simplejit)
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||||||
This crate provides a simple JIT backend for `cranelift-module`, which
|
This crate provides a simple JIT backend for `cranelift-module`, which
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||||||
emits code and data into memory.
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emits code and data into memory.
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||||||
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@@ -1,21 +0,0 @@
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|||||||
[package]
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||||||
name = "cranelift-faerie"
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||||||
version = "0.66.0"
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||||||
authors = ["The Cranelift Project Developers"]
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|
||||||
description = "Emit Cranelift output to native object files with Faerie"
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||||||
repository = "https://github.com/bytecodealliance/wasmtime"
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||||||
documentation = "https://docs.rs/cranelift-faerie"
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|
||||||
license = "Apache-2.0 WITH LLVM-exception"
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||||||
readme = "README.md"
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||||||
edition = "2018"
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||||||
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||||||
[dependencies]
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|
||||||
cranelift-module = { path = "../module", version = "0.66.0" }
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|
||||||
cranelift-codegen = { path = "../codegen", version = "0.66.0", default-features = false, features = ["std"] }
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|
||||||
faerie = "0.15.0"
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||||||
goblin = "0.1.0"
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||||||
anyhow = "1.0"
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||||||
target-lexicon = "0.10"
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||||||
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||||||
[badges]
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|
||||||
maintenance = { status = "experimental" }
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|
||||||
@@ -1,220 +0,0 @@
|
|||||||
|
|
||||||
Apache License
|
|
||||||
Version 2.0, January 2004
|
|
||||||
http://www.apache.org/licenses/
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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|
||||||
APPENDIX: How to apply the Apache License to your work.
|
|
||||||
|
|
||||||
To apply the Apache License to your work, attach the following
|
|
||||||
boilerplate notice, with the fields enclosed by brackets "[]"
|
|
||||||
replaced with your own identifying information. (Don't include
|
|
||||||
the brackets!) The text should be enclosed in the appropriate
|
|
||||||
comment syntax for the file format. We also recommend that a
|
|
||||||
file or class name and description of purpose be included on the
|
|
||||||
same "printed page" as the copyright notice for easier
|
|
||||||
identification within third-party archives.
|
|
||||||
|
|
||||||
Copyright [yyyy] [name of copyright owner]
|
|
||||||
|
|
||||||
Licensed under the Apache License, Version 2.0 (the "License");
|
|
||||||
you may not use this file except in compliance with the License.
|
|
||||||
You may obtain a copy of the License at
|
|
||||||
|
|
||||||
http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
|
|
||||||
Unless required by applicable law or agreed to in writing, software
|
|
||||||
distributed under the License is distributed on an "AS IS" BASIS,
|
|
||||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
||||||
See the License for the specific language governing permissions and
|
|
||||||
limitations under the License.
|
|
||||||
|
|
||||||
|
|
||||||
--- LLVM Exceptions to the Apache 2.0 License ----
|
|
||||||
|
|
||||||
As an exception, if, as a result of your compiling your source code, portions
|
|
||||||
of this Software are embedded into an Object form of such source code, you
|
|
||||||
may redistribute such embedded portions in such Object form without complying
|
|
||||||
with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
|
|
||||||
|
|
||||||
In addition, if you combine or link compiled forms of this Software with
|
|
||||||
software that is licensed under the GPLv2 ("Combined Software") and if a
|
|
||||||
court of competent jurisdiction determines that the patent provision (Section
|
|
||||||
3), the indemnity provision (Section 9) or other Section of the License
|
|
||||||
conflicts with the conditions of the GPLv2, you may retroactively and
|
|
||||||
prospectively choose to deem waived or otherwise exclude such Section(s) of
|
|
||||||
the License, but only in their entirety and only with respect to the Combined
|
|
||||||
Software.
|
|
||||||
|
|
||||||
@@ -1,9 +0,0 @@
|
|||||||
This crate contains a library that enables
|
|
||||||
[Cranelift](https://crates.io/crates/cranelift)
|
|
||||||
to emit native object (".o") files, using the
|
|
||||||
[Faerie](https://crates.io/crates/faerie) library.
|
|
||||||
|
|
||||||
DEPRECATION NOTICE: the Cranelift developer team intends to stop maintaining
|
|
||||||
the `cranelift-faerie` crate and remove it from the `wasmtime` git repository
|
|
||||||
on or after August 3, 2020. We recommend users use its successor, the
|
|
||||||
`cranelift-object` crate.
|
|
||||||
@@ -1,482 +0,0 @@
|
|||||||
//! Defines `FaerieBackend`.
|
|
||||||
|
|
||||||
use crate::container;
|
|
||||||
use anyhow::anyhow;
|
|
||||||
use cranelift_codegen::binemit::{
|
|
||||||
Addend, CodeOffset, NullStackMapSink, Reloc, RelocSink, StackMap, StackMapSink, TrapSink,
|
|
||||||
};
|
|
||||||
use cranelift_codegen::isa::TargetIsa;
|
|
||||||
use cranelift_codegen::{self, binemit, ir};
|
|
||||||
use cranelift_module::{
|
|
||||||
Backend, DataContext, DataDescription, DataId, FuncId, Init, Linkage, ModuleError,
|
|
||||||
ModuleNamespace, ModuleResult,
|
|
||||||
};
|
|
||||||
use faerie;
|
|
||||||
use std::convert::TryInto;
|
|
||||||
use std::fs::File;
|
|
||||||
use target_lexicon::Triple;
|
|
||||||
|
|
||||||
/// A builder for `FaerieBackend`.
|
|
||||||
pub struct FaerieBuilder {
|
|
||||||
isa: Box<dyn TargetIsa>,
|
|
||||||
name: String,
|
|
||||||
libcall_names: Box<dyn Fn(ir::LibCall) -> String>,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl FaerieBuilder {
|
|
||||||
/// Create a new `FaerieBuilder` using the given Cranelift target, that
|
|
||||||
/// can be passed to
|
|
||||||
/// [`Module::new`](cranelift_module::Module::new)
|
|
||||||
///
|
|
||||||
/// Faerie output requires that TargetIsa have PIC (Position Independent Code) enabled.
|
|
||||||
///
|
|
||||||
/// The `libcall_names` function provides a way to translate `cranelift_codegen`'s `ir::LibCall`
|
|
||||||
/// enum to symbols. LibCalls are inserted in the IR as part of the legalization for certain
|
|
||||||
/// floating point instructions, and for stack probes. If you don't know what to use for this
|
|
||||||
/// argument, use `cranelift_module::default_libcall_names()`.
|
|
||||||
#[deprecated(
|
|
||||||
since = "0.65.0",
|
|
||||||
note = "the Cranelift developer team intends to stop maintaining the `cranelift-faerie`
|
|
||||||
crate and remove it from the `wasmtime` git repository on or after August 3, 2020. We
|
|
||||||
recommend users use its successor, the `cranelift-object` crate."
|
|
||||||
)]
|
|
||||||
pub fn new(
|
|
||||||
isa: Box<dyn TargetIsa>,
|
|
||||||
name: String,
|
|
||||||
libcall_names: Box<dyn Fn(ir::LibCall) -> String>,
|
|
||||||
) -> ModuleResult<Self> {
|
|
||||||
if !isa.flags().is_pic() {
|
|
||||||
return Err(ModuleError::Backend(anyhow!(
|
|
||||||
"faerie requires TargetIsa be PIC"
|
|
||||||
)));
|
|
||||||
}
|
|
||||||
Ok(Self {
|
|
||||||
isa,
|
|
||||||
name,
|
|
||||||
libcall_names,
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// A `FaerieBackend` implements `Backend` and emits ".o" files using the `faerie` library.
|
|
||||||
///
|
|
||||||
/// See the `FaerieBuilder` for a convenient way to construct `FaerieBackend` instances.
|
|
||||||
pub struct FaerieBackend {
|
|
||||||
isa: Box<dyn TargetIsa>,
|
|
||||||
artifact: faerie::Artifact,
|
|
||||||
libcall_names: Box<dyn Fn(ir::LibCall) -> String>,
|
|
||||||
}
|
|
||||||
|
|
||||||
pub struct FaerieCompiledFunction {
|
|
||||||
code_length: u32,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl FaerieCompiledFunction {
|
|
||||||
pub fn code_length(&self) -> u32 {
|
|
||||||
self.code_length
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
pub struct FaerieCompiledData {}
|
|
||||||
|
|
||||||
impl Backend for FaerieBackend {
|
|
||||||
type Builder = FaerieBuilder;
|
|
||||||
|
|
||||||
type CompiledFunction = FaerieCompiledFunction;
|
|
||||||
type CompiledData = FaerieCompiledData;
|
|
||||||
|
|
||||||
// There's no need to return individual artifacts; we're writing them into
|
|
||||||
// the output file instead.
|
|
||||||
type FinalizedFunction = ();
|
|
||||||
type FinalizedData = ();
|
|
||||||
|
|
||||||
/// The returned value here provides functions for emitting object files
|
|
||||||
/// to memory and files.
|
|
||||||
type Product = FaerieProduct;
|
|
||||||
|
|
||||||
/// Create a new `FaerieBackend` using the given Cranelift target.
|
|
||||||
fn new(builder: FaerieBuilder) -> Self {
|
|
||||||
Self {
|
|
||||||
artifact: faerie::Artifact::new(builder.isa.triple().clone(), builder.name),
|
|
||||||
isa: builder.isa,
|
|
||||||
libcall_names: builder.libcall_names,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn isa(&self) -> &dyn TargetIsa {
|
|
||||||
&*self.isa
|
|
||||||
}
|
|
||||||
|
|
||||||
fn declare_function(&mut self, _id: FuncId, name: &str, linkage: Linkage) {
|
|
||||||
self.artifact
|
|
||||||
.declare(name, translate_function_linkage(linkage))
|
|
||||||
.expect("inconsistent declarations");
|
|
||||||
}
|
|
||||||
|
|
||||||
fn declare_data(
|
|
||||||
&mut self,
|
|
||||||
_id: DataId,
|
|
||||||
name: &str,
|
|
||||||
linkage: Linkage,
|
|
||||||
writable: bool,
|
|
||||||
tls: bool,
|
|
||||||
align: Option<u8>,
|
|
||||||
) {
|
|
||||||
assert!(!tls, "Faerie doesn't yet support TLS");
|
|
||||||
self.artifact
|
|
||||||
.declare(name, translate_data_linkage(linkage, writable, align))
|
|
||||||
.expect("inconsistent declarations");
|
|
||||||
}
|
|
||||||
|
|
||||||
fn define_function<TS>(
|
|
||||||
&mut self,
|
|
||||||
_id: FuncId,
|
|
||||||
name: &str,
|
|
||||||
ctx: &cranelift_codegen::Context,
|
|
||||||
namespace: &ModuleNamespace<Self>,
|
|
||||||
total_size: u32,
|
|
||||||
trap_sink: &mut TS,
|
|
||||||
) -> ModuleResult<FaerieCompiledFunction>
|
|
||||||
where
|
|
||||||
TS: TrapSink,
|
|
||||||
{
|
|
||||||
let mut code: Vec<u8> = vec![0; total_size as usize];
|
|
||||||
// TODO: Replace this with FaerieStackMapSink once it is implemented.
|
|
||||||
let mut stack_map_sink = NullStackMapSink {};
|
|
||||||
|
|
||||||
// Non-lexical lifetimes would obviate the braces here.
|
|
||||||
{
|
|
||||||
let mut reloc_sink = FaerieRelocSink {
|
|
||||||
triple: self.isa.triple().clone(),
|
|
||||||
artifact: &mut self.artifact,
|
|
||||||
name,
|
|
||||||
namespace,
|
|
||||||
libcall_names: &*self.libcall_names,
|
|
||||||
};
|
|
||||||
|
|
||||||
unsafe {
|
|
||||||
ctx.emit_to_memory(
|
|
||||||
&*self.isa,
|
|
||||||
code.as_mut_ptr(),
|
|
||||||
&mut reloc_sink,
|
|
||||||
trap_sink,
|
|
||||||
&mut stack_map_sink,
|
|
||||||
)
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
// because `define` will take ownership of code, this is our last chance
|
|
||||||
let code_length = code.len() as u32;
|
|
||||||
|
|
||||||
self.artifact
|
|
||||||
.define(name, code)
|
|
||||||
.expect("inconsistent declaration");
|
|
||||||
|
|
||||||
Ok(FaerieCompiledFunction { code_length })
|
|
||||||
}
|
|
||||||
|
|
||||||
fn define_function_bytes(
|
|
||||||
&mut self,
|
|
||||||
_id: FuncId,
|
|
||||||
name: &str,
|
|
||||||
bytes: &[u8],
|
|
||||||
_namespace: &ModuleNamespace<Self>,
|
|
||||||
) -> ModuleResult<FaerieCompiledFunction> {
|
|
||||||
let code_length: u32 = match bytes.len().try_into() {
|
|
||||||
Ok(code_length) => code_length,
|
|
||||||
_ => Err(ModuleError::FunctionTooLarge(name.to_string()))?,
|
|
||||||
};
|
|
||||||
|
|
||||||
self.artifact
|
|
||||||
.define(name, bytes.to_vec())
|
|
||||||
.expect("inconsistent declaration");
|
|
||||||
|
|
||||||
Ok(FaerieCompiledFunction { code_length })
|
|
||||||
}
|
|
||||||
|
|
||||||
fn define_data(
|
|
||||||
&mut self,
|
|
||||||
_id: DataId,
|
|
||||||
name: &str,
|
|
||||||
_writable: bool,
|
|
||||||
tls: bool,
|
|
||||||
_align: Option<u8>,
|
|
||||||
data_ctx: &DataContext,
|
|
||||||
namespace: &ModuleNamespace<Self>,
|
|
||||||
) -> ModuleResult<FaerieCompiledData> {
|
|
||||||
assert!(!tls, "Faerie doesn't yet support TLS");
|
|
||||||
let &DataDescription {
|
|
||||||
ref init,
|
|
||||||
ref function_decls,
|
|
||||||
ref data_decls,
|
|
||||||
ref function_relocs,
|
|
||||||
ref data_relocs,
|
|
||||||
ref custom_segment_section,
|
|
||||||
} = data_ctx.description();
|
|
||||||
|
|
||||||
if let Some((segment, section)) = custom_segment_section {
|
|
||||||
return Err(cranelift_module::ModuleError::Backend(anyhow::anyhow!(
|
|
||||||
"Custom section not supported by cranelift-faerie: `{}:{}`",
|
|
||||||
segment,
|
|
||||||
section
|
|
||||||
)));
|
|
||||||
}
|
|
||||||
|
|
||||||
for &(offset, id) in function_relocs {
|
|
||||||
let to = &namespace.get_function_decl(&function_decls[id]).name;
|
|
||||||
self.artifact
|
|
||||||
.link(faerie::Link {
|
|
||||||
from: name,
|
|
||||||
to,
|
|
||||||
at: u64::from(offset),
|
|
||||||
})
|
|
||||||
.map_err(|e| ModuleError::Backend(e.into()))?;
|
|
||||||
}
|
|
||||||
for &(offset, id, addend) in data_relocs {
|
|
||||||
debug_assert_eq!(
|
|
||||||
addend, 0,
|
|
||||||
"faerie doesn't support addends in data section relocations yet"
|
|
||||||
);
|
|
||||||
let to = &namespace.get_data_decl(&data_decls[id]).name;
|
|
||||||
self.artifact
|
|
||||||
.link(faerie::Link {
|
|
||||||
from: name,
|
|
||||||
to,
|
|
||||||
at: u64::from(offset),
|
|
||||||
})
|
|
||||||
.map_err(|e| ModuleError::Backend(e.into()))?;
|
|
||||||
}
|
|
||||||
|
|
||||||
match *init {
|
|
||||||
Init::Uninitialized => {
|
|
||||||
panic!("data is not initialized yet");
|
|
||||||
}
|
|
||||||
Init::Zeros { size } => {
|
|
||||||
self.artifact
|
|
||||||
.define_zero_init(name, size)
|
|
||||||
.expect("inconsistent declaration");
|
|
||||||
}
|
|
||||||
Init::Bytes { ref contents } => {
|
|
||||||
self.artifact
|
|
||||||
.define(name, contents.to_vec())
|
|
||||||
.expect("inconsistent declaration");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
Ok(FaerieCompiledData {})
|
|
||||||
}
|
|
||||||
|
|
||||||
fn write_data_funcaddr(
|
|
||||||
&mut self,
|
|
||||||
_data: &mut FaerieCompiledData,
|
|
||||||
_offset: usize,
|
|
||||||
_what: ir::FuncRef,
|
|
||||||
) {
|
|
||||||
unimplemented!()
|
|
||||||
}
|
|
||||||
|
|
||||||
fn write_data_dataaddr(
|
|
||||||
&mut self,
|
|
||||||
_data: &mut FaerieCompiledData,
|
|
||||||
_offset: usize,
|
|
||||||
_what: ir::GlobalValue,
|
|
||||||
_usize: binemit::Addend,
|
|
||||||
) {
|
|
||||||
unimplemented!()
|
|
||||||
}
|
|
||||||
|
|
||||||
fn finalize_function(
|
|
||||||
&mut self,
|
|
||||||
_id: FuncId,
|
|
||||||
_func: &FaerieCompiledFunction,
|
|
||||||
_namespace: &ModuleNamespace<Self>,
|
|
||||||
) {
|
|
||||||
// Nothing to do.
|
|
||||||
}
|
|
||||||
|
|
||||||
fn get_finalized_function(&self, _func: &FaerieCompiledFunction) {
|
|
||||||
// Nothing to do.
|
|
||||||
}
|
|
||||||
|
|
||||||
fn finalize_data(
|
|
||||||
&mut self,
|
|
||||||
_id: DataId,
|
|
||||||
_data: &FaerieCompiledData,
|
|
||||||
_namespace: &ModuleNamespace<Self>,
|
|
||||||
) {
|
|
||||||
// Nothing to do.
|
|
||||||
}
|
|
||||||
|
|
||||||
fn get_finalized_data(&self, _data: &FaerieCompiledData) {
|
|
||||||
// Nothing to do.
|
|
||||||
}
|
|
||||||
|
|
||||||
fn publish(&mut self) {
|
|
||||||
// Nothing to do.
|
|
||||||
}
|
|
||||||
|
|
||||||
fn finish(self, _namespace: &ModuleNamespace<Self>) -> FaerieProduct {
|
|
||||||
FaerieProduct {
|
|
||||||
artifact: self.artifact,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/// This is the output of `Module`'s
|
|
||||||
/// [`finish`](../cranelift_module/struct.Module.html#method.finish) function.
|
|
||||||
/// It provides functions for writing out the object file to memory or a file.
|
|
||||||
#[derive(Debug)]
|
|
||||||
pub struct FaerieProduct {
|
|
||||||
/// Faerie artifact with all functions, data, and links from the module defined
|
|
||||||
pub artifact: faerie::Artifact,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl FaerieProduct {
|
|
||||||
/// Return the name of the output file. This is the name passed into `new`.
|
|
||||||
pub fn name(&self) -> &str {
|
|
||||||
&self.artifact.name
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Call `emit` on the faerie `Artifact`, producing bytes in memory.
|
|
||||||
pub fn emit(&self) -> Result<Vec<u8>, faerie::ArtifactError> {
|
|
||||||
self.artifact.emit()
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Call `write` on the faerie `Artifact`, writing to a file.
|
|
||||||
pub fn write(&self, sink: File) -> Result<(), faerie::ArtifactError> {
|
|
||||||
self.artifact.write(sink)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn translate_function_linkage(linkage: Linkage) -> faerie::Decl {
|
|
||||||
match linkage {
|
|
||||||
Linkage::Import => faerie::Decl::function_import().into(),
|
|
||||||
Linkage::Local => faerie::Decl::function().into(),
|
|
||||||
Linkage::Preemptible => faerie::Decl::function().weak().into(),
|
|
||||||
Linkage::Hidden => faerie::Decl::function().global().hidden().into(),
|
|
||||||
Linkage::Export => faerie::Decl::function().global().into(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn translate_data_linkage(linkage: Linkage, writable: bool, align: Option<u8>) -> faerie::Decl {
|
|
||||||
let align = align.map(u64::from);
|
|
||||||
match linkage {
|
|
||||||
Linkage::Import => faerie::Decl::data_import().into(),
|
|
||||||
Linkage::Local => faerie::Decl::data()
|
|
||||||
.with_writable(writable)
|
|
||||||
.with_align(align)
|
|
||||||
.into(),
|
|
||||||
Linkage::Preemptible => faerie::Decl::data()
|
|
||||||
.weak()
|
|
||||||
.with_writable(writable)
|
|
||||||
.with_align(align)
|
|
||||||
.into(),
|
|
||||||
Linkage::Hidden => faerie::Decl::data()
|
|
||||||
.global()
|
|
||||||
.hidden()
|
|
||||||
.with_writable(writable)
|
|
||||||
.with_align(align)
|
|
||||||
.into(),
|
|
||||||
Linkage::Export => faerie::Decl::data()
|
|
||||||
.global()
|
|
||||||
.with_writable(writable)
|
|
||||||
.with_align(align)
|
|
||||||
.into(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
struct FaerieRelocSink<'a> {
|
|
||||||
triple: Triple,
|
|
||||||
artifact: &'a mut faerie::Artifact,
|
|
||||||
name: &'a str,
|
|
||||||
namespace: &'a ModuleNamespace<'a, FaerieBackend>,
|
|
||||||
libcall_names: &'a dyn Fn(ir::LibCall) -> String,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<'a> RelocSink for FaerieRelocSink<'a> {
|
|
||||||
fn reloc_block(&mut self, _offset: CodeOffset, _reloc: Reloc, _block_offset: CodeOffset) {
|
|
||||||
unimplemented!();
|
|
||||||
}
|
|
||||||
|
|
||||||
fn reloc_external(
|
|
||||||
&mut self,
|
|
||||||
offset: CodeOffset,
|
|
||||||
_srcloc: ir::SourceLoc,
|
|
||||||
reloc: Reloc,
|
|
||||||
name: &ir::ExternalName,
|
|
||||||
addend: Addend,
|
|
||||||
) {
|
|
||||||
let ref_name: String = match *name {
|
|
||||||
ir::ExternalName::User { .. } => {
|
|
||||||
if self.namespace.is_function(name) {
|
|
||||||
self.namespace.get_function_decl(name).name.clone()
|
|
||||||
} else {
|
|
||||||
self.namespace.get_data_decl(name).name.clone()
|
|
||||||
}
|
|
||||||
}
|
|
||||||
ir::ExternalName::LibCall(ref libcall) => {
|
|
||||||
let sym = (self.libcall_names)(*libcall);
|
|
||||||
self.artifact
|
|
||||||
.declare(sym.clone(), faerie::Decl::function_import())
|
|
||||||
.expect("faerie declaration of libcall");
|
|
||||||
sym
|
|
||||||
}
|
|
||||||
_ => panic!("invalid ExternalName {}", name),
|
|
||||||
};
|
|
||||||
let (raw_reloc, raw_addend) = container::raw_relocation(reloc, &self.triple);
|
|
||||||
// TODO: Handle overflow.
|
|
||||||
let final_addend = addend + raw_addend;
|
|
||||||
let addend_i32 = final_addend as i32;
|
|
||||||
debug_assert!(i64::from(addend_i32) == final_addend);
|
|
||||||
self.artifact
|
|
||||||
.link_with(
|
|
||||||
faerie::Link {
|
|
||||||
from: self.name,
|
|
||||||
to: &ref_name,
|
|
||||||
at: u64::from(offset),
|
|
||||||
},
|
|
||||||
faerie::Reloc::Raw {
|
|
||||||
reloc: raw_reloc,
|
|
||||||
addend: addend_i32,
|
|
||||||
},
|
|
||||||
)
|
|
||||||
.expect("faerie relocation error");
|
|
||||||
}
|
|
||||||
|
|
||||||
fn reloc_jt(&mut self, _offset: CodeOffset, reloc: Reloc, _jt: ir::JumpTable) {
|
|
||||||
match reloc {
|
|
||||||
Reloc::X86PCRelRodata4 => {
|
|
||||||
// Not necessary to record this unless we are going to split apart code and its
|
|
||||||
// jumptbl/rodata.
|
|
||||||
}
|
|
||||||
_ => {
|
|
||||||
panic!("Unhandled reloc");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn reloc_constant(&mut self, _offset: CodeOffset, reloc: Reloc, _jt: ir::ConstantOffset) {
|
|
||||||
match reloc {
|
|
||||||
Reloc::X86PCRelRodata4 => {
|
|
||||||
// Not necessary to record this unless we are going to split apart code and its
|
|
||||||
// jumptbl/rodata.
|
|
||||||
}
|
|
||||||
_ => {
|
|
||||||
panic!("Unhandled reloc");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[allow(dead_code)]
|
|
||||||
struct FaerieStackMapSink<'a> {
|
|
||||||
artifact: &'a mut faerie::Artifact,
|
|
||||||
namespace: &'a ModuleNamespace<'a, FaerieBackend>,
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Faerie is currently not used in SpiderMonkey. Methods are unimplemented.
|
|
||||||
impl<'a> StackMapSink for FaerieStackMapSink<'a> {
|
|
||||||
fn add_stack_map(&mut self, _: CodeOffset, _: StackMap) {
|
|
||||||
unimplemented!("faerie support for stack maps");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,65 +0,0 @@
|
|||||||
//! Utilities for working with Faerie container formats.
|
|
||||||
|
|
||||||
use cranelift_codegen::binemit::Reloc;
|
|
||||||
use target_lexicon::{Architecture, BinaryFormat, Triple};
|
|
||||||
|
|
||||||
/// An object file format.
|
|
||||||
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
|
|
||||||
pub enum Format {
|
|
||||||
/// The ELF object file format.
|
|
||||||
ELF,
|
|
||||||
/// The Mach-O object file format.
|
|
||||||
MachO,
|
|
||||||
}
|
|
||||||
|
|
||||||
/// Translate from a Cranelift `Reloc` to a raw object-file-format-specific
|
|
||||||
/// relocation code and relocation-implied addend.
|
|
||||||
pub fn raw_relocation(reloc: Reloc, triple: &Triple) -> (u32, i64) {
|
|
||||||
match triple.binary_format {
|
|
||||||
BinaryFormat::Elf => {
|
|
||||||
use goblin::elf;
|
|
||||||
(
|
|
||||||
match triple.architecture {
|
|
||||||
Architecture::X86_64 => {
|
|
||||||
match reloc {
|
|
||||||
Reloc::Abs4 => elf::reloc::R_X86_64_32,
|
|
||||||
Reloc::Abs8 => elf::reloc::R_X86_64_64,
|
|
||||||
Reloc::X86PCRel4 | Reloc::X86CallPCRel4 => elf::reloc::R_X86_64_PC32,
|
|
||||||
// TODO: Get Cranelift to tell us when we can use
|
|
||||||
// R_X86_64_GOTPCRELX/R_X86_64_REX_GOTPCRELX.
|
|
||||||
Reloc::X86CallPLTRel4 => elf::reloc::R_X86_64_PLT32,
|
|
||||||
Reloc::X86GOTPCRel4 => elf::reloc::R_X86_64_GOTPCREL,
|
|
||||||
_ => unimplemented!(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
_ => unimplemented!("unsupported architecture: {}", triple),
|
|
||||||
},
|
|
||||||
// Most ELF relocations do not include an implicit addend.
|
|
||||||
0,
|
|
||||||
)
|
|
||||||
}
|
|
||||||
BinaryFormat::Macho => {
|
|
||||||
use goblin::mach;
|
|
||||||
match triple.architecture {
|
|
||||||
Architecture::X86_64 => {
|
|
||||||
match reloc {
|
|
||||||
Reloc::Abs8 => (u32::from(mach::relocation::R_ABS), 0),
|
|
||||||
// Mach-O doesn't need us to distinguish between PC-relative calls
|
|
||||||
// and PLT calls, but it does need us to distinguish between calls
|
|
||||||
// and non-calls. And, it includes the 4-byte addend implicitly.
|
|
||||||
Reloc::X86PCRel4 => (u32::from(mach::relocation::X86_64_RELOC_SIGNED), 4),
|
|
||||||
Reloc::X86CallPCRel4 | Reloc::X86CallPLTRel4 => {
|
|
||||||
(u32::from(mach::relocation::X86_64_RELOC_BRANCH), 4)
|
|
||||||
}
|
|
||||||
Reloc::X86GOTPCRel4 => {
|
|
||||||
(u32::from(mach::relocation::X86_64_RELOC_GOT_LOAD), 4)
|
|
||||||
}
|
|
||||||
_ => unimplemented!("unsupported mach-o reloc: {}", reloc),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
_ => unimplemented!("unsupported architecture: {}", triple),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
_ => unimplemented!("unsupported format"),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,35 +0,0 @@
|
|||||||
//! Top-level lib.rs for `cranelift_faerie`.
|
|
||||||
//!
|
|
||||||
//! Users of this module should not have to depend on faerie directly.
|
|
||||||
|
|
||||||
#![deny(
|
|
||||||
missing_docs,
|
|
||||||
trivial_numeric_casts,
|
|
||||||
unused_extern_crates,
|
|
||||||
unstable_features
|
|
||||||
)]
|
|
||||||
#![warn(unused_import_braces)]
|
|
||||||
#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
|
|
||||||
#![cfg_attr(feature = "cargo-clippy", allow(clippy::new_without_default))]
|
|
||||||
#![cfg_attr(
|
|
||||||
feature = "cargo-clippy",
|
|
||||||
warn(
|
|
||||||
clippy::float_arithmetic,
|
|
||||||
clippy::mut_mut,
|
|
||||||
clippy::nonminimal_bool,
|
|
||||||
clippy::option_map_unwrap_or,
|
|
||||||
clippy::option_map_unwrap_or_else,
|
|
||||||
clippy::print_stdout,
|
|
||||||
clippy::unicode_not_nfc,
|
|
||||||
clippy::use_self
|
|
||||||
)
|
|
||||||
)]
|
|
||||||
|
|
||||||
mod backend;
|
|
||||||
mod container;
|
|
||||||
|
|
||||||
pub use crate::backend::{FaerieBackend, FaerieBuilder, FaerieProduct};
|
|
||||||
pub use crate::container::Format;
|
|
||||||
|
|
||||||
/// Version number of this crate.
|
|
||||||
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
|
|
||||||
@@ -15,9 +15,6 @@ following `Backend` implementations:
|
|||||||
code to memory for direct execution.
|
code to memory for direct execution.
|
||||||
- `ObjectBackend`, provided by [cranelift-object], which emits native
|
- `ObjectBackend`, provided by [cranelift-object], which emits native
|
||||||
object files.
|
object files.
|
||||||
- `FaerieBackend`, provided by [cranelift-faerie], which emits native
|
|
||||||
object files.
|
|
||||||
|
|
||||||
[cranelift-simplejit]: https://crates.io/crates/cranelift-simplejit
|
[cranelift-simplejit]: https://crates.io/crates/cranelift-simplejit
|
||||||
[cranelift-object]: https://crates.io/crates/cranelift-object
|
[cranelift-object]: https://crates.io/crates/cranelift-object
|
||||||
[cranelift-faerie]: https://crates.io/crates/cranelift-faerie
|
|
||||||
|
|||||||
@@ -22,12 +22,9 @@ use std::string::String;
|
|||||||
/// the contents of a `Module` to memory which can be directly executed.
|
/// the contents of a `Module` to memory which can be directly executed.
|
||||||
/// - `ObjectBackend`, defined in [cranelift-object], which writes the
|
/// - `ObjectBackend`, defined in [cranelift-object], which writes the
|
||||||
/// contents of a `Module` out as a native object file.
|
/// contents of a `Module` out as a native object file.
|
||||||
/// - `FaerieBackend`, defined in [cranelift-faerie], which writes the
|
|
||||||
/// contents of a `Module` out as a native object file.
|
|
||||||
///
|
///
|
||||||
/// [cranelift-simplejit]: https://docs.rs/cranelift-simplejit/
|
/// [cranelift-simplejit]: https://docs.rs/cranelift-simplejit/
|
||||||
/// [cranelift-object]: https://docs.rs/cranelift-object/
|
/// [cranelift-object]: https://docs.rs/cranelift-object/
|
||||||
/// [cranelift-faerie]: https://docs.rs/cranelift-faerie/
|
|
||||||
pub trait Backend
|
pub trait Backend
|
||||||
where
|
where
|
||||||
Self: marker::Sized,
|
Self: marker::Sized,
|
||||||
|
|||||||
@@ -34,7 +34,6 @@ const CRATES_TO_PUBLISH: &[&str] = &[
|
|||||||
"cranelift-preopt",
|
"cranelift-preopt",
|
||||||
"cranelift-frontend",
|
"cranelift-frontend",
|
||||||
"cranelift-wasm",
|
"cranelift-wasm",
|
||||||
"cranelift-faerie",
|
|
||||||
"cranelift-native",
|
"cranelift-native",
|
||||||
"cranelift-object",
|
"cranelift-object",
|
||||||
"cranelift-interpreter",
|
"cranelift-interpreter",
|
||||||
|
|||||||
Reference in New Issue
Block a user