| use crate::spec::{ |
| base, cvs, LinkArgs, LinkerFlavor, PanicStrategy, RelocModel, Target, TargetOptions, |
| }; |
| |
| pub fn target() -> Target { |
| // Reset flags for non-Em flavors back to empty to satisfy sanity checking tests. |
| let pre_link_args = LinkArgs::new(); |
| let post_link_args = TargetOptions::link_args( |
| LinkerFlavor::EmCc, |
| &["-sABORTING_MALLOC=0", "-Wl,--fatal-warnings"], |
| ); |
| |
| let opts = TargetOptions { |
| os: "emscripten".into(), |
| linker_flavor: LinkerFlavor::EmCc, |
| // emcc emits two files - a .js file to instantiate the wasm and supply platform |
| // functionality, and a .wasm file. |
| exe_suffix: ".js".into(), |
| linker: None, |
| pre_link_args, |
| post_link_args, |
| relocation_model: RelocModel::Pic, |
| panic_strategy: PanicStrategy::Unwind, |
| no_default_libraries: false, |
| families: cvs!["unix", "wasm"], |
| ..base::wasm::options() |
| }; |
| Target { |
| llvm_target: "wasm32-unknown-emscripten".into(), |
| pointer_width: 32, |
| data_layout: "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-f128:64-n32:64-S128-ni:1:10:20".into(), |
| arch: "wasm32".into(), |
| options: opts, |
| } |
| } |