user/rust: new package

1 files changed, 43 insertions, 0 deletions

diff --git a/user/rust/0016-Use-ELFv2-ABI-on-powerpc64-musl-Rust-half.patch b/user/rust/0016-Use-ELFv2-ABI-on-powerpc64-musl-Rust-half.patch
new file mode 100644
index 000000000..5841dfaf5
--- /dev/null
+++ b/user/rust/0016-Use-ELFv2-ABI-on-powerpc64-musl-Rust-half.patch
@@ -0,0 +1,43 @@
+From 616f6627b1489fbf87f867cc9b7a2c870c64f06f Mon Sep 17 00:00:00 2001
+From: Samuel Holland <samuel@sholland.org>
+Date: Wed, 8 Aug 2018 22:06:18 -0500
+Subject: [PATCH 16/28] Use ELFv2 ABI on powerpc64 musl (Rust half)
+
+---
+ src/librustc_target/abi/call/powerpc64.rs | 12 ++++++++----
+ 1 file changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/src/librustc_target/abi/call/powerpc64.rs b/src/librustc_target/abi/call/powerpc64.rs
+index 0c5ec77a39..4851b25fe7 100644
+--- a/src/librustc_target/abi/call/powerpc64.rs
++++ b/src/librustc_target/abi/call/powerpc64.rs
+@@ -14,6 +14,7 @@
+ 
+ use abi::call::{FnType, ArgType, Reg, RegKind, Uniform};
+ use abi::{Align, Endian, HasDataLayout, LayoutOf, TyLayout, TyLayoutMethods};
++use spec::HasTargetSpec;
+ 
+ #[derive(Debug, Clone, Copy, PartialEq)]
+ enum ABI {
+@@ -136,11 +137,14 @@ fn classify_arg_ty<'a, Ty, C>(cx: C, arg: &mut ArgType<'a, Ty>, abi: ABI)
+ 
+ pub fn compute_abi_info<'a, Ty, C>(cx: C, fty: &mut FnType<'a, Ty>)
+     where Ty: TyLayoutMethods<'a, C> + Copy,
+-          C: LayoutOf<Ty = Ty, TyLayout = TyLayout<'a, Ty>> + HasDataLayout
++          C: LayoutOf<Ty = Ty, TyLayout = TyLayout<'a, Ty>> + HasDataLayout + HasTargetSpec
+ {
+-    let abi = match cx.data_layout().endian {
+-        Endian::Big => ELFv1,
+-        Endian::Little => ELFv2,
++    let abi = match cx.target_spec().target_env {
++        "musl" => ELFv2,
++        _ => match cx.data_layout().endian {
++            Endian::Big => ELFv1,
++            Endian::Little => ELFv2
++        }
+     };
+ 
+     if !fty.ret.is_ignore() {
+-- 
+2.18.0
+