Merge pull request #1265 from NickeZ/build-rust-stdlib

Build rust stdlib

Author: NickeZ

.ci/run-container-ci

@@ -25,7 +25,7 @@
 set -e
 set -x
 
-CONTAINER=shiftcrypto/firmware_v2:40
+CONTAINER=shiftcrypto/firmware_v2:41
 
 if [ "$1" == "pull" ] ; then
 	docker pull "$CONTAINER"

Dockerfile

@@ -129,9 +129,18 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | CARGO_HOME=/opt/
 RUN rustup target add thumbv7em-none-eabi
 RUN rustup component add rustfmt
 RUN rustup component add clippy
+RUN rustup component add rust-src
 RUN CARGO_HOME=/opt/cargo cargo install cbindgen --version 0.26.0 --locked
 RUN CARGO_HOME=/opt/cargo cargo install bindgen-cli --version 0.69.4 --locked
 
+# Until cargo vendor supports vendoring dependencies of the rust std libs we
+# need a copy of this file next to the toml file. It also has to be world
+# writable so that invocations of `cargo vendor` can update it. Below is the
+# tracking issue for `cargo vendor` to support rust std libs.
+# https://github.com/rust-lang/wg-cargo-std-aware/issues/23
+RUN cp "$(rustc --print=sysroot)/lib/rustlib/src/rust/Cargo.lock" "$(rustc --print=sysroot)/lib/rustlib/src/rust/library/test/"
+RUN chmod 777 $(rustc --print=sysroot)/lib/rustlib/src/rust/library/test/Cargo.lock
+
 COPY tools/prost-build-proto prost-build-proto
 RUN CARGO_HOME=/opt/cargo cargo install --path prost-build-proto --locked
 

src/CMakeLists.txt

@@ -205,7 +205,7 @@ if(CMAKE_BUILD_TYPE STREQUAL "DEBUG")
   set(RUST_PROFILE "debug")
 else()
   set(RUST_PROFILE "release")
-  set(RUST_CARGO_FLAG "--release")
+  set(RUST_CARGO_FLAGS "--release")
   # For binary reproducibility, strip path prefixes that can be different depending on environment (e.g. /home/<user>, etc.).
   set(RUSTFLAGS "--remap-path-prefix=${CMAKE_CURRENT_SOURCE_DIR}/rust=src --remap-path-prefix=$ENV{HOME}=")
 endif()
@@ -231,6 +231,7 @@ if(CMAKE_CROSSCOMPILING)
   set(RUST_TARGET_ARCH thumbv7em-none-eabi)
   set(RUST_TARGET_ARCH_DIR ${RUST_TARGET_ARCH})
   set(RUST_TARGET_ARCH_ARG --target ${RUST_TARGET_ARCH})
+  set(RUST_CARGO_FLAGS ${RUST_CARGO_FLAGS} -Zbuild-std=core,alloc -Zbuild-std-features=panic_immediate_abort,optimize_for_size)
 else()
   set(RUST_TARGET_ARCH_DIR .)
 endif()
@@ -436,7 +437,7 @@ if(NOT CMAKE_CROSSCOMPILING)
         CMAKE_CURRENT_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}
         FIRMWARE_VERSION_SHORT=${FIRMWARE_VERSION}
         # only one test thread because of unsafe concurrent access to `SafeData`, `mock_sd()` and `mock_memory()`. Using mutexes instead leads to mutex poisoning and very messy output in case of a unit test failure.
-        ${CARGO} test $<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:-v> --all-features --target-dir ${RUST_BINARY_DIR}/all-features ${RUST_CARGO_FLAG} -- --nocapture --test-threads 1
+        ${CARGO} test $<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:-v> --all-features --target-dir ${RUST_BINARY_DIR}/all-features ${RUST_CARGO_FLAGS} -- --nocapture --test-threads 1
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/rust/
     )
   add_dependencies(rust-test bitbox_merged generate-protobufs)
@@ -518,7 +519,8 @@ foreach(type ${RUST_LIBS})
       RUSTFLAGS=${RUSTFLAGS}
       FIRMWARE_VERSION_SHORT=${FIRMWARE_VERSION}
       $<$<BOOL:${SCCACHE_PROGRAM}>:RUSTC_WRAPPER=${SCCACHE_PROGRAM}>
-      ${CARGO} build $<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:-vv> --offline --features target-${type} --target-dir ${RUST_BINARY_DIR}/feature-${type} ${RUST_CARGO_FLAG} ${RUST_TARGET_ARCH_ARG}
+      RUSTC_BOOTSTRAP=1
+      ${CARGO} build $<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:-vv> --offline --features target-${type} --target-dir ${RUST_BINARY_DIR}/feature-${type} ${RUST_CARGO_FLAGS} ${RUST_TARGET_ARCH_ARG}
     COMMAND
       ${CMAKE_COMMAND} -E copy_if_different ${lib} ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/lib${type}_rust_c.a
     # DEPFILES are only supported with the Ninja build tool
@@ -544,7 +546,7 @@ if(CMAKE_CROSSCOMPILING)
       CMAKE_CURRENT_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}
       SYSROOT=${CMAKE_SYSROOT}
       INCLUDES="${RUST_INCLUDES}"
-      ${CARGO} doc --document-private-items --target-dir ${CMAKE_BINARY_DIR}/docs-rust ${RUST_CARGO_FLAG} --target thumbv7em-none-eabi
+      ${CARGO} doc --document-private-items --target-dir ${CMAKE_BINARY_DIR}/docs-rust --target thumbv7em-none-eabi
     COMMAND
       ${CMAKE_COMMAND} -E echo "See docs at file://${CMAKE_BINARY_DIR}/docs-rust/thumbv7em-none-eabi/doc/bitbox02_rust/index.html"
     WORKING_DIRECTORY ${LIBBITBOX02_RUST_SOURCE_DIR}

src/rust/Cargo.lock

@@ -35,3 +35,8 @@ The bottom-most layer are bindings generated from C header files:
 
 We generate one header file `rust.h` and ever product specific function is `#ifdeffed` with
 `RUST_PRODUCT_*` macro.
+
+# Vendoring
+
+Run the vendoring script `vendor.sh` to vendor dependencies from crates.io. The
+script will ensure that also rust std libs dependencies are vendored.

src/rust/README.md

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+#
+# Script for vendoring our dependencies, including the deps of core/alloc.
+#
+# This script must be called from the <git-project-root>/src/rust directory. It will place the
+# dependencies in a directory called "vendor" in the current working directory.
+#
+# For some reason Cargo needs to find the dependencies of all rust std libs. Since "test" depends
+# on all the other ones, we take the toml-file from it. This means that we vendor libs that we
+# don't use in the end (like hashbrown and getopts).
+#
+# The invocation below depends on the fact that rust std libs "Cargo.lock" has been manually copied
+# to be next to the Cargo.toml file in the test directory.
+#
+# Copying the Cargo.lock file in the rust sysroot image requires root permissions. Therefore it is
+# done in the Dockerfile in our setup.
+
+RUST_SYSROOT="$(rustc --print=sysroot)"
+
+RUSTC_BOOTSTRAP=1 cargo vendor \
+    --manifest-path Cargo.toml \
+    --sync "$RUST_SYSROOT/lib/rustlib/src/rust/library/test/Cargo.toml" \
+    vendor

src/rust/vendor.sh

@@ -0,0 +1 @@
+{"files":{"CHANGELOG.md":"886f8c688db0c22d24b650df0dc30a39d05d54d0e562c00d9574bf31cbf73251","Cargo.toml":"8c0d2ca1b5a6063aedcd462337eeb4dfb755d81e8d132fe810419689e45eef42","LICENSE-APACHE":"20fe7b00e904ed690e3b9fd6073784d3fc428141dbd10b81c01fd143d0797f58","LICENSE-MIT":"36516aefdc84c5d5a1e7485425913a22dbda69eb1930c5e84d6ae4972b5194b9","README.md":"7bf09e77c1d8e9292992b717d88e33d031439aa31dc9e7bb617464270519b051","src/lib.rs":"c937309febe24f97bc637650137311d5b8097b8574b0e973f4d6fb591c3448f7","src/nightly.rs":"fcff4d236e23bc95b1ce2c00140807ba3698cc01233d910d65d74986bb36f161","src/stable/alloc/global.rs":"14836ad7d73a364474fc153b24a1f17ad0e60a69b90a8721dc1059eada8bf869","src/stable/alloc/mod.rs":"866dafd3984dd246e381d8ad1c2b3e02a60c3421b598ca493aa83f9b6422608d","src/stable/alloc/system.rs":"db5d5bf088eecac3fc5ff1281e1bf26ca36dd38f13cd52c49d95ff1bab064254","src/stable/boxed.rs":"8b9b7f4cebbc1629c478dce0dd8227db16508e1383f24490d32eab7aeb3a0cea","src/stable/macros.rs":"74490796a766338d0163f40a37612cd9ea2de58ae3d8e9abf6c7bcf81d9be4a6","src/stable/mod.rs":"a6a724e10e4db4e3b7960c65bac803152a1115af46b898ff8a61e486365c16c7","src/stable/raw_vec.rs":"8cc0e3e4d5fd21e0e83776ff21c576cbb87b69647903ee9b8f5372f8781a7328","src/stable/slice.rs":"089263b058e6c185467bad7ad14908479e5675408fc70a8291e5dddaef36035a","src/stable/vec/drain.rs":"740cd2e0f31eeb0146bbd0f645a14fe12bacd3912f003db433ddc6b3a178461f","src/stable/vec/into_iter.rs":"88c22b09682cd90c7362d702d0501566173b2d836cf82a2b92ae11fdef5b9435","src/stable/vec/mod.rs":"1561b75d0bbcdf64f47bd7f1661088b68796f0e7e02a4e9391d8a50010b86f6b","src/stable/vec/partial_eq.rs":"9f1b18605164a62b58d9e17914d573698735de31c51ceb8bd3666e83d32df370","src/stable/vec/set_len_on_drop.rs":"561342e22a194e515cc25c9a1bcd827ca24c4db033e9e2c4266fbdd2fb16e5bc","src/stable/vec/splice.rs":"95a460b3a7b4af60fdc9ba04d3a719b61a0c11786cd2d8823d022e22c397f9c9"},"package":"5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"}

src/rust/vendor/allocator-api2/.cargo-checksum.json

@@ -0,0 +1,7 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]

src/rust/vendor/allocator-api2/CHANGELOG.md

@@ -0,0 +1,32 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+name = "allocator-api2"
+version = "0.2.18"
+authors = ["Zakarum <zaq.dev@icloud.com>"]
+description = "Mirror of Rust's allocator API"
+homepage = "https://github.com/zakarumych/allocator-api2"
+documentation = "https://docs.rs/allocator-api2"
+readme = "README.md"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/zakarumych/allocator-api2"
+
+[dependencies.serde]
+version = "1.0"
+optional = true
+
+[features]
+alloc = []
+default = ["std"]
+nightly = []
+std = ["alloc"]

src/rust/vendor/allocator-api2/Cargo.toml

@@ -0,0 +1,176 @@
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