Rust assembly stubs

Author: jonas-schievink

.cargo/config

@@ -0,0 +1,2 @@
+[alias]
+xtask = "run --package xtask --bin xtask --"

.travis.yml

@@ -72,7 +72,6 @@ before_install: set -e
 
 install:
   - bash ci/install.sh
-  - export PATH="$PATH:$PWD/gcc/bin"
 
 script:
   - bash ci/script.sh

Cargo.toml

@@ -21,6 +21,19 @@ volatile-register = "0.2.0"
 bitfield = "0.13.2"
 embedded-hal = "0.2.4"
 
+[features]
+cm7-r0p1 = []
+inline-asm = []
+
+# Link against prebuilt assembly blobs that are compatible with Linker-Plugin LTO.
+# When using this feature, you *must* pass `-Clinker-plugin-lto` to rustc. See this link for
+# details:
+# https://doc.rust-lang.org/stable/rustc/linker-plugin-lto.html
+linker-plugin-lto = []
+
+[workspace]
+members = ["xtask"]
+
 [package.metadata.docs.rs]
 targets = [
     "thumbv8m.main-none-eabihf",
@@ -31,7 +44,3 @@ targets = [
     "thumbv8m.base-none-eabi",
     "thumbv8m.main-none-eabi"
 ]
-
-[features]
-cm7-r0p1 = []
-inline-asm = []