Add 128bit Rust BPF test (#4766)

automerge

programs/bpf/build.rs

@@ -68,6 +68,7 @@ fn main() {
             .success());
 
         let rust_programs = [
+            "128bit",
             "alloc",
             "dep_crate",
             "iter",

programs/bpf/rust/128bit/.gitignore

@@ -0,0 +1,3 @@
+/target/
+
+Cargo.lock

programs/bpf/rust/128bit/Cargo.toml

@@ -0,0 +1,23 @@
+
+# Note: This crate must be built using build.sh
+
+[package]
+name = "solana-bpf-rust-128bit"
+version = "0.16.0"
+description = "Solana BPF iter program written in Rust"
+authors = ["Solana Maintainers <maintainers@solana.com>"]
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+edition = "2018"
+
+[dependencies]
+solana-sdk-bpf-utils = { path = "../../../../sdk/bpf/rust/rust-utils", version = "0.16.0" }
+solana-bpf-rust-128bit-dep = { path = "../128bit_dep", version = "0.16.0" }
+
+[workspace]
+members = []
+
+[lib]
+crate-type = ["cdylib"]
+name = "solana_bpf_rust_128bit"

programs/bpf/rust/128bit/Xargo.toml

@@ -0,0 +1,6 @@
+[dependencies.compiler_builtins]
+path = "../../../../sdk/bpf/dependencies/rust-bpf-sysroot/src/compiler-builtins"
+features = ["c", "mem"]
+
+[target.bpfel-unknown-unknown.dependencies]
+alloc = { path = "../../../../sdk/bpf/dependencies/rust-bpf-sysroot/src/liballoc" }

programs/bpf/rust/128bit/src/lib.rs

@@ -0,0 +1,41 @@
+//! @brief Example Rust-based BPF program tests loop iteration
+
+#![no_std]
+#![allow(unused_attributes)]
+
+extern crate solana_sdk_bpf_utils;
+
+use solana_sdk_bpf_utils::info;
+
+#[no_mangle]
+pub extern "C" fn entrypoint(_input: *mut u8) -> bool {
+    let x: u128 = 1;
+    let y = x.rotate_right(1);
+    assert_eq!(y, 170_141_183_460_469_231_731_687_303_715_884_105_728);
+
+    assert_eq!(
+        u128::max_value(),
+        340_282_366_920_938_463_463_374_607_431_768_211_455
+    );
+
+    let mut z = u128::max_value();
+    z -= 1;
+    assert_eq!(z, 340_282_366_920_938_463_463_374_607_431_768_211_454);
+
+    let x = u64::max_value();
+    assert_eq!(u128::from(x) + u128::from(x), 36_893_488_147_419_103_230);
+
+    let x = solana_bpf_rust_128bit_dep::work(
+        u128::from(u64::max_value()),
+        u128::from(u64::max_value()),
+    );
+    assert_eq!(x.wrapping_shr(64) as u64, 1);
+    assert_eq!(
+        x.wrapping_shl(64).wrapping_shr(64) as u64,
+        0xffff_ffff_ffff_fffe
+    );
+    assert_eq!(x, 0x0001_ffff_ffff_ffff_fffe);
+
+    info!("Success");
+    true
+}

programs/bpf/rust/128bit_dep/.gitignore

@@ -0,0 +1,3 @@
+/target/
+
+Cargo.lock

programs/bpf/rust/128bit_dep/Cargo.toml

@@ -0,0 +1,19 @@
+
+# Note: This crate must be built using build.sh
+
+[package]
+name = "solana-bpf-rust-128bit-dep"
+version = "0.16.0"
+description = "Solana BPF many-args-dep program written in Rust"
+authors = ["Solana Maintainers <maintainers@solana.com>"]
+repository = "https://github.com/solana-labs/solana"
+license = "Apache-2.0"
+homepage = "https://solana.com/"
+edition = "2018"
+
+[dependencies]
+solana-sdk-bpf-utils = { path = "../../../../sdk/bpf/rust/rust-utils", version = "0.16.0" }
+
+[workspace]
+members = []
+

programs/bpf/rust/128bit_dep/Xargo.toml

@@ -0,0 +1,6 @@
+[dependencies.compiler_builtins]
+path = "../../../../sdk/bpf/dependencies/rust-bpf-sysroot/src/compiler-builtins"
+features = ["c", "mem"]
+
+[target.bpfel-unknown-unknown.dependencies]
+alloc = { path = "../../../../sdk/bpf/dependencies/rust-bpf-sysroot/src/liballoc" }

programs/bpf/rust/128bit_dep/src/lib.rs

@@ -0,0 +1,9 @@
+//! @brief Solana Rust-based BPF program utility functions and types
+
+#![no_std]
+
+extern crate solana_sdk_bpf_utils;
+
+pub fn work(x: u128, y: u128) -> u128 {
+    x + y
+}

programs/bpf/tests/programs.rs

@@ -90,6 +90,7 @@ mod bpf {
             solana_logger::setup();
 
             let programs = [
+                ("solana_bpf_rust_128bit", true),
                 ("solana_bpf_rust_alloc", true),
                 ("solana_bpf_rust_dep_crate", true),
                 ("solana_bpf_rust_iter", true),