Rollup merge of #48297 - glaubitz:sparc-linux, r=estebank
Add missing pieces for sparc-linux-gnu support I noticed that while Rust has CABI support for 32-bit SPARC, there are still some pieces missing to be able to use Rust on a 32-Bit SPARC system like Gentoo which still defaults to a 32-bit port unlike Debian's sparc64 port. This PR is an attempt to add the missing pieces. I will send the necessary changes for libc in a separate PR. CC @jrtc27
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b571155631
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@ -294,7 +294,7 @@ def default_build_triple():
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raise ValueError('unknown byteorder: {}'.format(sys.byteorder))
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# only the n64 ABI is supported, indicate it
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ostype += 'abi64'
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elif cputype == 'sparcv9' or cputype == 'sparc64':
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elif cputype == 'sparc' or cputype == 'sparcv9' or cputype == 'sparc64':
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pass
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else:
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err = "unknown cpu type: {}".format(cputype)
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@ -484,6 +484,7 @@ impl Step for Openssl {
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"powerpc64-unknown-linux-gnu" => "linux-ppc64",
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"powerpc64le-unknown-linux-gnu" => "linux-ppc64le",
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"s390x-unknown-linux-gnu" => "linux64-s390x",
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"sparc-unknown-linux-gnu" => "linux-sparcv9",
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"sparc64-unknown-linux-gnu" => "linux64-sparcv9",
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"sparc64-unknown-netbsd" => "BSD-sparc64",
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"x86_64-apple-darwin" => "darwin64-x86_64-cc",
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@ -146,6 +146,7 @@ supported_targets! {
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("powerpc64-unknown-linux-gnu", powerpc64_unknown_linux_gnu),
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("powerpc64le-unknown-linux-gnu", powerpc64le_unknown_linux_gnu),
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("s390x-unknown-linux-gnu", s390x_unknown_linux_gnu),
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("sparc-unknown-linux-gnu", sparc_unknown_linux_gnu),
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("sparc64-unknown-linux-gnu", sparc64_unknown_linux_gnu),
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("arm-unknown-linux-gnueabi", arm_unknown_linux_gnueabi),
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("arm-unknown-linux-gnueabihf", arm_unknown_linux_gnueabihf),
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@ -0,0 +1,34 @@
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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use LinkerFlavor;
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use target::{Target, TargetResult};
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pub fn target() -> TargetResult {
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let mut base = super::linux_base::opts();
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base.cpu = "v9".to_string();
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base.max_atomic_width = Some(64);
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base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-mv8plus".to_string());
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base.exe_allocation_crate = None;
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Ok(Target {
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llvm_target: "sparc-unknown-linux-gnu".to_string(),
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target_endian: "big".to_string(),
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target_pointer_width: "32".to_string(),
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target_c_int_width: "32".to_string(),
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data_layout: "E-m:e-p:32:32-i64:64-f128:64-n32-S64".to_string(),
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arch: "sparc".to_string(),
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target_os: "linux".to_string(),
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target_env: "gnu".to_string(),
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target_vendor: "unknown".to_string(),
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linker_flavor: LinkerFlavor::Gcc,
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options: base,
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})
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}
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@ -86,6 +86,7 @@ static TARGETS: &'static [&'static str] = &[
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"powerpc64-unknown-linux-gnu",
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"powerpc64le-unknown-linux-gnu",
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"s390x-unknown-linux-gnu",
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"sparc-unknown-linux-gnu",
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"sparc64-unknown-linux-gnu",
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"sparcv9-sun-solaris",
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"wasm32-unknown-emscripten",
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