From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../src/spec/wasm64_unknown_unknown.rs | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs (limited to 'compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs') diff --git a/compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs b/compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs new file mode 100644 index 000000000..5211f7707 --- /dev/null +++ b/compiler/rustc_target/src/spec/wasm64_unknown_unknown.rs @@ -0,0 +1,49 @@ +//! A "bare wasm" target representing a WebAssembly output that makes zero +//! assumptions about its environment. +//! +//! The `wasm64-unknown-unknown` target is intended to encapsulate use cases +//! that do not rely on any imported functionality. The binaries generated are +//! entirely self-contained by default when using the standard library. Although +//! the standard library is available, most of it returns an error immediately +//! (e.g. trying to create a TCP stream or something like that). + +use super::wasm_base; +use super::{LinkerFlavor, LldFlavor, Target}; + +pub fn target() -> Target { + let mut options = wasm_base::options(); + options.os = "unknown".into(); + options.linker_flavor = LinkerFlavor::Lld(LldFlavor::Wasm); + + options.add_pre_link_args( + LinkerFlavor::Lld(LldFlavor::Wasm), + &[ + // For now this target just never has an entry symbol no matter the output + // type, so unconditionally pass this. + "--no-entry", + "-mwasm64", + ], + ); + options.add_pre_link_args( + LinkerFlavor::Gcc, + &[ + // Make sure clang uses LLD as its linker and is configured appropriately + // otherwise + "--target=wasm64-unknown-unknown", + "-Wl,--no-entry", + ], + ); + + // Any engine that implements wasm64 will surely implement the rest of these + // features since they were all merged into the official spec by the time + // wasm64 was designed. + options.features = "+bulk-memory,+mutable-globals,+sign-ext,+nontrapping-fptoint".into(); + + Target { + llvm_target: "wasm64-unknown-unknown".into(), + pointer_width: 64, + data_layout: "e-m:e-p:64:64-p10:8:8-p20:8:8-i64:64-n32:64-S128-ni:1:10:20".into(), + arch: "wasm64".into(), + options, + } +} -- cgit v1.2.3