| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use LinkerFlavor; |
| use super::{LinkArgs, Target, TargetOptions}; |
| use super::emscripten_base::{cmd}; |
| |
| pub fn target() -> Result<Target, String> { |
| let mut post_link_args = LinkArgs::new(); |
| post_link_args.insert(LinkerFlavor::Em, |
| vec!["-s".to_string(), |
| "WASM=1".to_string(), |
| "-s".to_string(), |
| "ASSERTIONS=1".to_string(), |
| "-s".to_string(), |
| "ERROR_ON_UNDEFINED_SYMBOLS=1".to_string(), |
| "-g3".to_string()]); |
| |
| let opts = TargetOptions { |
| linker: cmd("emcc"), |
| |
| dynamic_linking: false, |
| executables: true, |
| // Today emcc emits two files - a .js file to bootstrap and |
| // possibly interpret the wasm, and a .wasm file |
| exe_suffix: ".js".to_string(), |
| linker_is_gnu: true, |
| link_env: vec![("EMCC_WASM_BACKEND".to_string(), "1".to_string())], |
| allow_asm: false, |
| obj_is_bitcode: true, |
| is_like_emscripten: true, |
| max_atomic_width: Some(32), |
| post_link_args, |
| target_family: Some("unix".to_string()), |
| .. Default::default() |
| }; |
| Ok(Target { |
| llvm_target: "wasm32-unknown-unknown".to_string(), |
| target_endian: "little".to_string(), |
| target_pointer_width: "32".to_string(), |
| target_c_int_width: "32".to_string(), |
| target_os: "emscripten".to_string(), |
| target_env: "".to_string(), |
| target_vendor: "unknown".to_string(), |
| data_layout: "e-m:e-p:32:32-i64:64-n32:64-S128".to_string(), |
| arch: "wasm32".to_string(), |
| linker_flavor: LinkerFlavor::Em, |
| options: opts, |
| }) |
| } |