BPF rust language updates (#4752)

programs/bpf/rust/do.sh

@@ -0,0 +1,100 @@
+#!/usr/bin/env bash
+
+usage() {
+    echo ""
+    echo "  Usage: do.sh action <project>"
+    echo ""
+    echo "  If relative_project_path is ommitted then action will"
+    echo "  be performed on all projects"
+    echo ""
+    echo "  Supported actions:"
+    echo "    build"
+    echo "    clean"
+    echo "    clippy"
+    echo "    fmt"
+    echo ""
+}
+
+perform_action() {
+    set -e
+    case "$1" in
+    build)
+         ./../../../sdk/bpf/rust/build.sh "$2"
+    ;;
+    clean)
+         ./../../../sdk/bpf/rust/clean.sh "$2"
+    ;;
+    clippy)
+        (
+            cd "$2"
+            echo "clippy $2"
+            cargo +nightly clippy
+        )
+    ;;
+    fmt)
+        (
+            cd "$2"
+            echo "formatting $2"
+            cargo fmt
+        )
+    ;;
+    dump)
+        # Dump depends on tools that are not installed by default and must be installed manually
+        # - greadelf
+        # - llvm-objdump
+        # - rustfilt
+        (
+            pwd
+            ./do.sh clean "$3"
+            ./do.sh build "$3"
+
+            cd "$3"
+
+            set +e
+            cp ./target/dump.txt ./targetdump-last.txt 2>/dev/null
+            set -e
+
+            ls \
+                -la \
+                ./target/bpfel-unknown-unknown/release/solana_bpf_rust_"${3%/}".so \
+                > ./target/dump_mangled.txt
+            greadelf \
+                -aW \
+                ./target/bpfel-unknown-unknown/release/solana_bpf_rust_"${3%/}".so \
+                >> ./target/dump_mangled.txt
+            llvm-objdump \
+                -print-imm-hex \
+                --source \
+                --disassemble \
+                ./target/bpfel-unknown-unknown/release/solana_bpf_rust_"${3%/}".so \
+                >> ./target/dump_mangled.txt
+            sed \
+                s/://g \
+                < ./target/dump_mangled.txt \
+                | rustfilt \
+                > ./target/dump.txt
+        )
+        ;;
+    help)
+        usage
+        exit
+        ;;
+    *)
+        echo "Error: Unknown command"
+        usage
+        exit
+    ;;
+    esac
+}
+
+set -e
+
+if [ "$#" -ne 2 ]; then
+    # Build all projects
+    for project in */ ; do
+        perform_action "$1" "$PWD/$project" "$project"
+    done
+else
+    # Build requested project
+    perform_action "$1" "$PWD/$2" "$2"
+fi